The University of Queensland

The implementation of subterranean barriers with mine pre-drainage to reduce coal mine methane emissions from open-cut and underground metallurgical-coal mines

Johnson, Raymond L. (2024). The implementation of subterranean barriers with mine pre-drainage to reduce coal mine methane emissions from open-cut and underground metallurgical-coal mines. International Journal of Coal Geology, 283 104402, 104402. doi: 10.1016/j.coal.2023.104402

Hydrodynamic clogging of micro-particles in planar channels under electrostatic forces

Di Vaira, Nathan J., Łaniewski-Wołłk, Łukasz, Johnson, Raymond L., Aminossadati, Saiied M. and Leonardi, Christopher R. (2023). Hydrodynamic clogging of micro-particles in planar channels under electrostatic forces. Journal of Fluid Mechanics, 960 A34. doi: 10.1017/jfm.2023.214

Machine learning for drilling applications: a review

Zhong, Ruizhi, Salehi, Cyrus and Johnson, Ray (2022). Machine learning for drilling applications: a review. Journal of Natural Gas Science and Engineering, 108 104807, 1-17. doi: 10.1016/j.jngse.2022.104807

Efficient implicit methods for wellbore shear failure analysis during drilling and production in coalbeds

Zhong, Ruizhi, Mitchell, Travis, Johnson Jr., Raymond and Leonardi, Christopher (2022). Efficient implicit methods for wellbore shear failure analysis during drilling and production in coalbeds. International Journal of Rock Mechanics and Mining Sciences, 155 105129, 105129. doi: 10.1016/j.ijrmms.2022.105129

Modeling and economic analyses of graded particle injections in conjunction with hydraulic fracturing of coal seam gas reservoirs

Santiago, Vanessa, Ribeiro, Ayrton, Johnson, Raymond, Hurter, Suzanne and You, Zhenjiang (2022). Modeling and economic analyses of graded particle injections in conjunction with hydraulic fracturing of coal seam gas reservoirs. SPE Journal, 27 (3), 1633-1647. doi: 10.2118/208404-PA

Co-application of micro-proppant with horizontal well, multi-stage hydraulic fracturing treatments to improve productivity in the Permian coal measures, Bowen Basin, Australia

Ramanandraibe, Honja Miharisoa, Sedaghat, Mohammad, Johnson, Raymond and Santiago, Vanessa (2022). Co-application of micro-proppant with horizontal well, multi-stage hydraulic fracturing treatments to improve productivity in the Permian coal measures, Bowen Basin, Australia. The APPEA Journal, 62 (1), 77-91. doi: 10.1071/aj21048

Influence of particle polydispersity on bulk migration and size segregation in channel flows

Di Vaira, Nathan J., Łaniewski-Wołłk, Łukasz, Johnson, Raymond L., Aminossadati, Saiied M. and Leonardi, Christopher R. (2022). Influence of particle polydispersity on bulk migration and size segregation in channel flows. Journal of Fluid Mechanics, 939 A30. doi: 10.1017/jfm.2022.166

Numerical investigation of the effects of proppant embedment on fracture permeability and well production in Queensland coal seam gas reservoirs

Wang, Duo, You, Zhenjiang, Johnson, Raymond L., Wu, Lei, Bedrikovetsky, Pavel, Aminossadati, Saiied M. and Leonardi, Christopher R. (2021). Numerical investigation of the effects of proppant embedment on fracture permeability and well production in Queensland coal seam gas reservoirs. International Journal of Coal Geology, 242 103689, 103689. doi: 10.1016/j.coal.2021.103689

Characterising the application of horizontal wells and indirect hydraulic fracturing for improved coal seam gas drainage

Johnson, Raymond L., Cheong, Sharon and Farley, Andrew (2021). Characterising the application of horizontal wells and indirect hydraulic fracturing for improved coal seam gas drainage. The APPEA Journal, 61 (1), 89-105. doi: 10.1071/aj20122

Improved modelling of pressure-dependent permeability behaviour in coal based on a new workflow of petrophysics, hydraulic fracturing and reservoir simulation

Ramanandraibe, Honja Miharisoa, Soares Ribeiro, Ayrton, Johnson, Raymond and You, Zhenjiang (2021). Improved modelling of pressure-dependent permeability behaviour in coal based on a new workflow of petrophysics, hydraulic fracturing and reservoir simulation. The APPEA Journal, 61 (1), 106-117. doi: 10.1071/aj20157

Generating pseudo density log from drilling and logging-while-drilling data using extreme gradient boosting (XGBoost)

Zhong, Ruizhi, Johnson Jr, Raymond and Chen, Zhongwei (2020). Generating pseudo density log from drilling and logging-while-drilling data using extreme gradient boosting (XGBoost). International Journal of Coal Geology, 220 103416, 1-13. doi: 10.1016/j.coal.2020.103416

Using machine learning methods to identify coal pay zones from drilling and Logging-While-Drilling (LWD) data

Zhong, Ruizhi, Johnson, Raymond L. and Chen, Zhongwei (2020). Using machine learning methods to identify coal pay zones from drilling and Logging-While-Drilling (LWD) data. SPE Journal, 25 (03), 1241-1258. doi: 10.2118/198288-pa

Challenges in modelling of hydraulic fracturing in low-permeability coal seams with complex cleat networks and stress regimes

Aghighi, Mohammad Ali, Johnson, Raymond Jr. and Leonardi, Chris (2019). Challenges in modelling of hydraulic fracturing in low-permeability coal seams with complex cleat networks and stress regimes. APPEA Journal, 59 (1), 166-178. doi: 10.1071/aj18140

Influence of elastoplastic embedment on CSG production enhancement using graded particle injection

You, Zhenjiang, Wang, Duo, Leonardi, Christopher, Johnson Jr, Raymond and Bedrikovetsky, Pavel (2019). Influence of elastoplastic embedment on CSG production enhancement using graded particle injection. The APPEA Journal, 59 (1), 310-318. doi: 10.1071/aj18086

Results of hydraulic fracturing design improvements and changes in execution strategies for unconventional tight gas targets in the Cooper Basin, Australia

Johnson Jr, Raymond, Zhong, Ruizhi and Nguyen, Lan (2019). Results of hydraulic fracturing design improvements and changes in execution strategies for unconventional tight gas targets in the Cooper Basin, Australia. APPEA Journal, 59 (1), 244-259. doi: 10.1071/aj18185

Coal identification using neural networks with real-time coalbed methane drilling data

Zhong, Ruizhi, Johnson Jr, Raymond, Chen, Zhongwei and Chand, Nathaniel (2019). Coal identification using neural networks with real-time coalbed methane drilling data. The APPEA Journal, 59 (1), 319-327. doi: 10.1071/aj18091

A new experimental extractive technology trial for Cooper Basin unconventional resources: alignment flow technology

Johnson, Raymond L. (2018). A new experimental extractive technology trial for Cooper Basin unconventional resources: alignment flow technology. Preview, 2018 (195), 44-45. doi: 10.1071/pvv2018n195p44

Experimental and numerical investigation into nano-stabilized foams in low permeability reservoir hydraulic fracturing applications

Fei, Yang, Johnson, Raymond L., Gonzalez, Mary, Haghighi, Manouchehr and Pokalai, Kunakorn (2018). Experimental and numerical investigation into nano-stabilized foams in low permeability reservoir hydraulic fracturing applications. Fuel, 213, 133-143. doi: 10.1016/j.fuel.2017.10.095

Experimental and simulation study of foam stability and the effects on hydraulic fracture proppant placement

Fei, Yang, Pokalai, Kunakorn, Johnson, Ray, Gonzalez, Mary and Haghighi, Manouchehr (2017). Experimental and simulation study of foam stability and the effects on hydraulic fracture proppant placement. Journal of Natural Gas Science and Engineering, 46, 544-554. doi: 10.1016/j.jngse.2017.08.020

Methodology for assessing original gas in place and estimated ultimate recovery from a tight marine formation using hydraulic fracture stimulation modelling

Goldman, Matthew and Johnson, Raymond L. (2017). Methodology for assessing original gas in place and estimated ultimate recovery from a tight marine formation using hydraulic fracture stimulation modelling. APPEA Journal, 57 (1), 136-149. doi: 10.1071/aj16176

Productivity enhancement by stimulation of natural fractures around a hydraulic fracture using micro-sized proppant placement

Keshavarz, Alireza, Badalyan, Alexander, Johnson, Raymond, Jr. and Bedrikovetsky, Pavel (2016). Productivity enhancement by stimulation of natural fractures around a hydraulic fracture using micro-sized proppant placement. Journal of Natural Gas Science and Engineering, 33, 1010-1024. doi: 10.1016/j.jngse.2016.03.065

Development of a new approach for hydraulic fracturing in tight sand with pre-existing natural fractures

Pokalai, Kunakorn, Kulikowski, David, Johnson, Raymond L., Haghighi, Manouchehr and Cooke, Dennis (2016). Development of a new approach for hydraulic fracturing in tight sand with pre-existing natural fractures. The APPEA Journal, 56 (1), 225-238. doi: 10.1071/aj15017

Stimulation of coal seam permeability by micro-sized graded proppant placement using selective fluid properties

Keshavarz, Alireza, Badalyan, Alexander, Carageorgos, Themis, Bedrikovetsky, Pavel and Johnson, Raymond, Jr. (2015). Stimulation of coal seam permeability by micro-sized graded proppant placement using selective fluid properties. Fuel, 144, 228-236. doi: 10.1016/j.fuel.2014.12.054

Formation evaluation case study: Glyde unconventional Middle Proterozoic play in the McArthur Basin, northern Australia

Croon, Marcel, Bluett, Joshua, Titus, Luke and Johnson Jr, Raymond (2015). Formation evaluation case study: Glyde unconventional Middle Proterozoic play in the McArthur Basin, northern Australia. The APPEA Journal, 55 (2), 429-429. doi: 10.1071/AJ14064

Improving the efficiency of hydraulic fracturing treatment in CBM reservoirs by stimulating the surrounding natural fracture system

Keshavarz, Alireza, Badalyan, Alexander, Johnson, Raymond and Bedrikovetski, Pavel (2015). Improving the efficiency of hydraulic fracturing treatment in CBM reservoirs by stimulating the surrounding natural fracture system. The APPEA Journal, 55 (1), 351-360. doi: 10.1071/aj14028

Improving the efficiency of hydraulic fracturing  treatment in CBM reservoirs by stimulating the surrounding natural fracture system

Keshavarz, Alireza, Badalyan, Alexander and Johnson, Raymond (2015). Improving the efficiency of hydraulic fracturing  treatment in CBM reservoirs by stimulating the surrounding natural fracture system. The APPEA Journal

Laboratory-based mathematical modelling of graded proppant injection in CBM reservoirs

Keshavarz, Alireza, Yang, Yulong, Badalyan, Alexander, Johnson, Ray and Bedrikovetsky, Pavel (2014). Laboratory-based mathematical modelling of graded proppant injection in CBM reservoirs. International Journal of Coal Geology, 136, 1-16. doi: 10.1016/j.coal.2014.10.005

Evaluating hydraulic-fracture effectiveness in a coal-seam-gas reservoir from surface tiltmeter and microseismic monitoring

Johnson Jr., Raymond L., Scott, Michael P., Jeffrey, R. G., Chen, Zuorong, Bennett, Les, Vandenborn, Craig and Tcherkashnev, Sergei (2011). Evaluating hydraulic-fracture effectiveness in a coal-seam-gas reservoir from surface tiltmeter and microseismic monitoring. Journal of Petroleum Technology, 63 (3), 59-62. doi: 10.2118/0311-0059-jpt

Technical challenges in the development of unconventional gas resources in Australia

Johnson, R.L., Hopkins, C.W. and Zuber, M.D. (2000). Technical challenges in the development of unconventional gas resources in Australia. The APPEA Journal, 40 (1), 450-468. doi: 10.1071/aj99026

Probabilistic quantification of size segregation and screen-out of microparticles subject to electrostatic forces

Leonardi, Christopher R., Di Vaira, Nathan J., Laniewski-Wollk, Lukasz, Aminossadati, Saiied M. and Johnson, Raymond L. (2023). Probabilistic quantification of size segregation and screen-out of microparticles subject to electrostatic forces. SPE Hydraulic Fracturing Technology Conference and Exhibition 2023, HFTC 2023, The Woodlands, TX, United States, 31 January– 2 February 2023. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/212379-ms

Co-Application of Indirect Hydraulic Fracturing and Micro-Proppants with Existing Surface-to-Inseam Wells to Improve Pre-Drainage of Low Permeability Coals in Mining Areas

Ramanandraibe, H. M., Johnson, R. L., Sedaghat, M. and Leonardi, C. R. (2023). Co-Application of Indirect Hydraulic Fracturing and Micro-Proppants with Existing Surface-to-Inseam Wells to Improve Pre-Drainage of Low Permeability Coals in Mining Areas. Society of Petroleum Engineers. doi: 10.2118/216613-MS

The Implementation of Subterranean Barriers to Reduce Shallow Gas Migration and Coal Mine Methane Emissions from Open-Cut Metallurgical-Coal Mines

Johnson, Raymond L. and Sedaghat, M. (2023). The Implementation of Subterranean Barriers to Reduce Shallow Gas Migration and Coal Mine Methane Emissions from Open-Cut Metallurgical-Coal Mines. Society of Petroleum Engineers. doi: 10.2118/217310-MS

Estimation of rock permeability scores using machine learning methods

Qalandari, Roohullah, Zhong, Ruizhi, Salehi, Cyrus, Chand, Nathaniel, Johnson, Raymond Leslie, Vazquez, Gonzalo, Mclean-Hodgson, Jack and Zimmerman, Joel (2022). Estimation of rock permeability scores using machine learning methods. SPE Asia Pacific Oil & Gas Conference and Exhibition, Adelaide, SA Australia, 17-19 October 2022. Dallas, TX USA: Society of Petroleum Engineers. doi: 10.2118/210711-ms

Implications of recent research into the application of graded particles or micro-proppants for coal seam gas and shale hydraulic fracturing

Johnson, Raymond Leslie, Ramanandraibe, Honja Miharisoa, Di Vaira, Nathan, Leonardi, Chris, You, Zhenjiang, Santiago, Vanessa, Ribeiro, Ayrton, Badalyan, Alexander, Bedrikovetsky, Pavel, Zeinijahromi, Abbas, Carageorgos, Themis, Sanchez-Barr, Angel, Chalaturnyk, Rick and Deisman, Nathan (2022). Implications of recent research into the application of graded particles or micro-proppants for coal seam gas and shale hydraulic fracturing. SPE Asia Pacific Oil & Gas Conference and Exhibition, Adelaide, SA, Australia, 17-19 October 2022. Society of Petroleum Engineers. doi: 10.2118/210628-ms

Case Study and Sensitivity Analysis of Borehole Breakout in the Cooper Basin, Australia

Zhong, Ruizhi, Azman, Aideel, Johnson, Ray, You, Zhenjiang and Nguyen, Lan (2021). Case Study and Sensitivity Analysis of Borehole Breakout in the Cooper Basin, Australia. SPE/AAPG/SEG Asia Pacific Unconventional Resources Technology Conference, Online, 16-18 November 2021. Tulsa, OK United States: Unconventional Resources Technology Conference. doi: 10.15530/ap-urtec-2021-208373

Modelling and Economic Analyses of Graded Particle Injections in Conjunction with Hydraulically Fracturing of Coal Seam Gas Reservoirs

Santiago, Vanessa, Ribeiro, Ayrton, Johnson, Raymond, Hurter, Suzanne and You, Zhenjiang (2021). Modelling and Economic Analyses of Graded Particle Injections in Conjunction with Hydraulically Fracturing of Coal Seam Gas Reservoirs. SPE/AAPG/SEG Asia Pacific Unconventional Resources Technology Conference, Online, 16–18 November 2021. Tulsa, OK United States: Unconventional Resources Technology Conference. doi: 10.15530/AP-URTEC-2021-208404

A novel methodology for predicting micro-proppant screenout in hydraulic fracturing treatments

Di Vaira, Nathan J., Łaniewski-Wołłk, Łukasz, Johnson Jr., Raymond L., Aminossadati, Saiied M. and Leonardi, Christopher R. (2021). A novel methodology for predicting micro-proppant screenout in hydraulic fracturing treatments. Asia Pacific Unconventional Resources Technology Conference, Virtual, 16–18 November 2021. Tulsa, OK, United States: Society of Exploration Geophysicists. doi: 10.15530/ap-urtec-2021-208342

Analytical and numerical assessment of the influence of bulk coal strength on drilling operations in unconventional coal seam gas wells

Leonardi, C. R., Zhong, R., Mitchell, T. R., Chen, Z., Johnson, R. L., O'Hagan, D. and Flottmann, T. (2021). Analytical and numerical assessment of the influence of bulk coal strength on drilling operations in unconventional coal seam gas wells. 55th US Rock Mechanics/Geomechanics Symposium, Houston, TX USA, 20-23 June 2021. Alexandria, VA USA: American Rock Mechanics Association.

Applications of indirect hydraulic fracturing to improve coal seam gas drainage for the Surat and Bowen Basins, Australia

Johnson, Raymond Leslie, Ramanandraibe, Honja Miharisoa, Ribeiro, Ayrton, Ramsay, Matthew, Tipene, Kaa and Corbett, William (2021). Applications of indirect hydraulic fracturing to improve coal seam gas drainage for the Surat and Bowen Basins, Australia. SPE/AAPG/SEG Asia Pacific Unconventional Resources Technology Conference, Virtual, 16-18 November 2021. Tulsa, OK, USA: Unconventional Resources Technology Conference (URTEC). doi: 10.15530/AP-URTEC-2021-208375

Numerical evaluation of bulk geomechanical properties of fractured coal with changing net effective stress conditions

Mitchell, Travis R., Zhong, Ruizhi, Johnson, Ray and Leonardi, Christopher R. (2021). Numerical evaluation of bulk geomechanical properties of fractured coal with changing net effective stress conditions. SPE/AAPG/SEG Asia Pacific Unconventional Resources Technology Conference, Virtual, 16-18 November 2021. Tulsa, OK, United States: Unconventional Resources Technology Conference. doi: 10.15530/ap-urtec-2021-208346

Using machine learning for geosteering during in-seam drilling

Zhong, Ruizhi, Johnson Jr, Ray L. and Chen, Zhongwei (2021). Using machine learning for geosteering during in-seam drilling. SPE/AAPG/SEG Asia Pacific Unconventional Resources Technology Conference, Virtual, 16–18 November, 2021. Tulsa, OK, United States: Unconventional Resources Technology Conference. doi: 10.15530/ap-urtec-2021-208298

Wellbore stability analysis of horizontal drilling in Bowen and Surat coal seam gas wells

Zhong, Ruizhi, Leonardi, Christopher R., Mitchell, Travis R. and Johnson, Ray L. (2021). Wellbore stability analysis of horizontal drilling in Bowen and Surat coal seam gas wells. SPE/AAPG/SEG Asia Pacific Unconventional Resources Technology Conference, Virtual, 16-18 November 2021. Tulsa, OK, United States: Unconventional Resources Technology Conference. doi: 10.15530/ap-urtec-2021-208399

Hydrodynamic and electrostatic jamming of microparticles in narrow channels

Di Vaira, Nathan J., Łaniewski-Wołłk, Łukasz, Johnson, Raymond L., Aminossadati, Saiied M. and Leonardi, Christopher R. (2020). Hydrodynamic and electrostatic jamming of microparticles in narrow channels. 22nd Australasian Fluid Mechanics Conference AFMC2020, Brisbane, QLD Australia, 7-10 December 2020. Brisbane, QLD Australia: The University of Queensland. doi: 10.14264/8d34dcf

Modelling micro-proppant transport in stress-sensitive naturally-fractured reservoirs

Di Vaira, Nathan, Leonardi, Christopher and Johnson, Raymond, Jr (2020). Modelling micro-proppant transport in stress-sensitive naturally-fractured reservoirs. SPE Europec (Society of Petroleum Engineers Europe Energy Conference), Virtual/Online, 1-3 December 2020. Richardson, Texas, United States: Society of Petroleum Engineers. doi: 10.2118/200600-MS

Estimating Coal Permeability Using Machine Learning Methods

Salehi, Cyrus, Zhong, Ruizhi, Ganpule, Sameer, Dewar, Steven, Johnson, Raymond and Chen, Zhongwei (2020). Estimating Coal Permeability Using Machine Learning Methods. SPE Asia Pacific Oil & Gas Conference and Exhibition, Online, 17-19 November 2020. Richardson, TX United States: Society of Petroleum Engineers. doi: 10.2118/202271-ms

Evaluation of CO injectivity for CO-EOR using a two-stage well test approach: case study of a Chinese tight oil reservoir

Honari, Vahab, Wang, Xiangzeng, Underschultz, Jim, Garnett, Andrew, Wang, Xingjin, Johnson, Raymond, Ribeiro, Ayrton, Sedaghat, Mohammad, Gao, Ruimin, Liang, Quansheng and Hurter, Suzanne (2020). Evaluation of CO injectivity for CO-EOR using a two-stage well test approach: case study of a Chinese tight oil reservoir. SPE Asia Pacific Oil & Gas Conference and Exhibition, Virtual, 17-19 November. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/202374-ms

Integrating Reservoir Characterisation, Diagnostic Fracture Injection Testing, Hydraulic Fracturing and Post-Frac Well Production Data to Define Pressure Dependent Permeability Behavior in Coal

Johnson, Raymond L., You, Zhenjiang, Ribeiro, Ayrton, Mukherjee, Saswata, Salomao de Santiago, Vanessa and Leonardi, Christopher (2020). Integrating Reservoir Characterisation, Diagnostic Fracture Injection Testing, Hydraulic Fracturing and Post-Frac Well Production Data to Define Pressure Dependent Permeability Behavior in Coal. SPE Asia Pacific Oil & Gas Conference and Exhibition, Online, 17-19 November 2020. Richardson, TX United States: Society of Petroleum Engineers. doi: 10.2118/202281-ms

Modelling Micro-Proppant Transport in Stress-Sensitive Naturally-Fractured Reservoirs

Di Vaira, Nathan, Leonardi, Christopher and Johnson Jr., Raymond (2020). Modelling Micro-Proppant Transport in Stress-Sensitive Naturally-Fractured Reservoirs. 82nd EAGE Conference and Exhibition, Amsterdam, Netherlands, 8-11 December. Richardson, TX United States: Society of Petroleum Engineers. doi: 10.2118/200600-ms

An assessment of the current regulatory frameworks for onshore, upstream, unconventional well integrity and strategies for improvement

Thomas, Tim and Johnson Jr., Raymond L. (2019). An assessment of the current regulatory frameworks for onshore, upstream, unconventional well integrity and strategies for improvement. SPE Annual Technical Conference and Exhibition, Calgary, Alberta, Canada, 30 September - 2 October 2019. Society of Petroleum Engineers. doi: 10.2118/195967-ms

Development of predictive models in support of micro-particle injection in naturally fractured reservoirs

You, Zhenjiang, Wang, Duo, Di Vaira, Nathan, Johnson, Raymond, Bedrikovetsky, Pavel and Leonardi, Christopher (2019). Development of predictive models in support of micro-particle injection in naturally fractured reservoirs. SPE/AAPG/SEG Asia Pacific Unconventional Resources Technology Conference, Brisbane, QLD, Australia, 18 – 19 November 2019. Brisbane, QLD, Australia: Unconventional Resources Technology Conference (URTEC). doi: 10.15530/AP-URTEC-2019-198276

Evaluating performance of graded proppant injection into CSG reservoir: a reservoir simulation study

Ribeiro, Ayrton, Santiago, Vanessa, You, Zhenjiang, Johnson Jr., Raymond and Hurter, Suzanne (2019). Evaluating performance of graded proppant injection into CSG reservoir: a reservoir simulation study. SPE/AAPG/SEG Asia Pacific Unconventional Resources Technology Conference, Brisbane, QLD, Australia, 18 - 19 November 2019. Tulsa, OK, United States: Unconventional Resources Technology Conference. doi: 10.15530/ap-urtec-2019-198324

Quantifying the influence of three dimensionality on hydraulic fracturing in coal seam gas wells

Leonardi, Christopher R., Flottmann, Thomas, Pandey, Vibhas J. and Johnson, Raymond J. (2019). Quantifying the influence of three dimensionality on hydraulic fracturing in coal seam gas wells. SPE/AAPG/SEG Asia Pacific Unconventional Resources Technology Conference, Brisbane, QLD Australia, 18 – 19 November 2019. Brisbane, QLD Australia: Unconventional Resources Technology Conference (URTEC). doi: 10.15530/AP-URTEC-2019-198203

Using machine learning methods to identify coals from drilling and logging-while-drilling LWD data

Zhong, Ruizhi, Johnson Jr., Raymond L. and Chen, Zhongwei (2019). Using machine learning methods to identify coals from drilling and logging-while-drilling LWD data. SPE/AAPG/SEG Asia Pacific Unconventional Resources Technology Conference, Brisbane, QLD, Australia, 18-19 November 2019. Tulsa, OK, United States: Unconventional Resources Technology Conference. doi: 10.15530/ap-urtec-2019-198288

What we know, what we don’t know, and things we do not know we don’t know about hydraulic fracturing in high stress environments

Johnson, Raymond L. (2018). What we know, what we don’t know, and things we do not know we don’t know about hydraulic fracturing in high stress environments. 1st Australasian Exploration Geoscience Conference – Exploration Innovation Integration, Sydney, NSW Australia, 18-21 February 2018. Clayton South, VIC Australia: CSIRO. doi: 10.1071/aseg2018abt5_3c

A review of current knowledge with geomechanical fault reactivation modelling: The importance of CO2 mechano-chemical effects for CO2 sequestration

Altaf, Iftikhar, Towler, Brian, Underschultz, James, Hurter, Suzanne and Johnson, Raymond (2018). A review of current knowledge with geomechanical fault reactivation modelling: The importance of CO2 mechano-chemical effects for CO2 sequestration. SPE Asia Pacific Oil and Gas Conference and Exhibition 2018, APOGCE 2018, Brisbane, QLD Australia, 23 - 25 October 2018. Richardson, TX United States: Society of Petroleum Engineers. doi: 10.2118/192024-MS

Impact of laboratory testing variability in fracture conductivity for stimulation effectiveness in permian deep coal source rocks, Cooper basin, South Australia

Fraser, Samuel A. and Johnson, Raymond L. (2018). Impact of laboratory testing variability in fracture conductivity for stimulation effectiveness in permian deep coal source rocks, Cooper basin, South Australia. SPE Asia Pacific Oil and Gas Conference and Exhibition 2018, APOGCE 2018, Brisbane, Australia, 23-25 October 2018. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/191883-ms

Well trajectory, completion and fracture design changes improve execution for deep unconventional tight gas targets in the cooper basin, Australia

Johnson, Raymond L., Zhong, Ruizhi and Nguyen, Lan (2018). Well trajectory, completion and fracture design changes improve execution for deep unconventional tight gas targets in the cooper basin, Australia. SPE Hydraulic Fracturing Technology Conference and Exhibition 2019, HFTC 2019, The Woodlands, TX United States, 5 - 7 February 2019. Society of Petroleum Engineers. doi: 10.2118/194366-MS

Improving diagnostic fracture injection testing for in situ stress profiling, reservoir characterisation and well optimisation in unconventional gas reservoirs

Johnson, R.L., Jr. (2016). Improving diagnostic fracture injection testing for in situ stress profiling, reservoir characterisation and well optimisation in unconventional gas reservoirs. International Conference on Geomechanics, Geo-energy and Geo-resources, Melbourne, VIC Australia, 28-29 September 2016. Clayton, VIC Australia: 3 Media Group.

Improving the conductivity of natural fracture systems in conjunction with hydraulic fracturing in stress sensitive reservoirs

Keshavarz, Alireza, Johnson Jr., Ray, Carageorgos, Themis, Bedrikovetsky, Pavel and Badalyan, Alexander (2016). Improving the conductivity of natural fracture systems in conjunction with hydraulic fracturing in stress sensitive reservoirs. SPE Asia Pacific Oil and Gas Conference and Exhibition, Perth, Australia, 25-27 October 2016. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/182306-MS

Next steps to crack the code on tight Permian Toolachee and Patchawarra sandstones of the Cooper Basin, southwest Queensland

Johnson, Raymond L., Nguyen, Lan and Russell, Terry (2016). Next steps to crack the code on tight Permian Toolachee and Patchawarra sandstones of the Cooper Basin, southwest Queensland. APPEA 2016, Brisbane Convention and Exhibition Centre, 5-8 June 2016. Clayton, VIC, Australia: CSIRO Publishing. doi: 10.1071/aj15039

Delaware Basin Bone Springs. A study of the evolving completion practices to create an economically successful play

Lehman, Lyle V., Andress, Randy, Mullen, Mike and Johnson, Ray (2015). Delaware Basin Bone Springs. A study of the evolving completion practices to create an economically successful play. SPE Asia Pacific Unconventional Resources Conference and Exhibition, Brisbane, Australia, 9-11 November 2015. Society of Petroleum Engineers. doi: 10.2118/176828-ms

Effect of suspension fluid chemistry on fracture system stimulation using micro-sized proppant placement

Keshavarz, A., Badalyan, A., Carageorgos, T., Johnson, R. L. and Bedrikovetsky, P.G. (2015). Effect of suspension fluid chemistry on fracture system stimulation using micro-sized proppant placement. SPE Asia Pacific Unconventional Resources Conference and Exhibition, Brisbane, QLD, Australia, 9-11 November 2015. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/176953-MS

Improving fracture initiation and potential impact on fracture coverage by implementing optimal well planning and drilling methods for typical stress conditions in the Cooper Basin, central Australia

Johnson, Raymond L., Abul Khair, Hani Farouq , Jeffrey, Rob , Meyer, Jeremy , Stark, Carly  and Tauchnitz, James  (2015). Improving fracture initiation and potential impact on fracture coverage by implementing optimal well planning and drilling methods for typical stress conditions in the Cooper Basin, central Australia. APPEA Conference and Exhibition 2015, Melbourne, Australia, 17-20 May 2015.

Stimulation of unconventional reservoirs using graded proppant injection

Keshavarz, A., Badalyan, A., Johnson, R. and Bedrikovetsky, P. (2015). Stimulation of unconventional reservoirs using graded proppant injection. SPE Russian Petroleum Technology Conference, Moscow, Russia, 26-28 October 2015. Society of Petroleum Engineers. doi: 10.2118/176712-MS

Combining drilling, geology, petrophysical and well testing data to evaluate an unconventional play in N. Australia

Yakimov, M. N., Titus, L., Johnson, R. L. and Hassan, S. (2014). Combining drilling, geology, petrophysical and well testing data to evaluate an unconventional play in N. Australia. European Association of Geoscientists and Engineers, EAGE.

Enhancement of CBM well fracturing through stimulation of cleat permeability by ultra-fine particle injection

Keshavarz, A., Badalyan, A., Carageorgos, T., Bedrikovetsky, P. and Johnson, R. (2014). Enhancement of CBM well fracturing through stimulation of cleat permeability by ultra-fine particle injection. Australian Petroleum Production & Exploration Association (APPEA) 2014, Perth, WA, Australia, 6-9 April 2014.

Key factors differentiate the success rate of coalbed methane pilots outside of North America - some Australian experiences

Johnson, Raymond L. and Mazumder, Saikat (2014). Key factors differentiate the success rate of coalbed methane pilots outside of North America - some Australian experiences. International Petroleum Technology Conference, Kuala Lumpa, Malaysia, 10-12 December 2014. Society of Petroleum Engineers. doi: 10.2523/IPTC-18108-MS

Observations and recommendations from a hydraulic fracturing case in the pre-Cambrian Lawn Hill Shale, Isa Superbasin, Australia

Johnson, Raymond Leslie and Titus, Luke (2014). Observations and recommendations from a hydraulic fracturing case in the pre-Cambrian Lawn Hill Shale, Isa Superbasin, Australia. SPE Asia Pacific Oil and Gas Conference and Exhibition, Adelaide, SA, Australia, 14-16 October 2014. Society of Petroleum Engineers. doi: 10.2118/171448-MS

Stimulation of unconventional naturally fractured reservoirs by graded proppant injection: experimental study and mathematical model

Keshavarz, Alireza, Badalyan, Alexander, Carageorgos, Themis, Johnson, Ray and Bedrikovetsky, Pavel (2014). Stimulation of unconventional naturally fractured reservoirs by graded proppant injection: experimental study and mathematical model. SPE/EAGE European Unconventional Resources Conference and Exhibition, Vienna, Austria, 25-27 February 2014. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/167757-MS

Exploring and appraising the oldest gas accumulations in Australia

Johnson, R., Titus, L., Warner, D. and Bluett, J. (2013). Exploring and appraising the oldest gas accumulations in Australia. The 53rd Australian Petroleum Production & Exploration Association (APPEA) Conference 2013, Brisbane, QLD, Australia, 26-29 May, 2013. Canberra, ACT, Australia: Australian Petroleum Production and Exploration Association.

Fracturing fluid testing for design purposes and regulatory oversight in a shale gas project

Crane, B., Magill, D., Squires, S. T. and Johnson Jr., R. L. (2013). Fracturing fluid testing for design purposes and regulatory oversight in a shale gas project. SPE Unconventional Resources Conference and Exhibition-Asia Pacific, Brisbane, QLD, Australia, 11-13 November 2013. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/167107-MS

An emerging shale gas play in the Northern Territory

Johnson, R. L., Dawney, R. and Warner, D. (2012). An emerging shale gas play in the Northern Territory. Australian Petroleum Production & Exploration Association (APPEA) 2012, Adelaide, Australia, 13-16 May 2012. Australian Petroleum Production & Exploration Association (APPEA).

Reservoir characterisation of Surat Basin coal seams using drill stem tests

Kabir, Akim, McCalmont, Steve, Street, Tom and Johnson Jr., Ray (2011). Reservoir characterisation of Surat Basin coal seams using drill stem tests. SPE Asia Pacific Oil and Gas Conference and Exhibition, Jakarta, Indonesia, 20-22 September 2011. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/147828-MS

Evaluating hydraulic fracture effectiveness in a coal seam gas reservoir from surface tiltmeter and microseismic monitoring

Johnson, Raymond L., Scott, Michael P., Jeffrey, R. G., Chen, Zuorong, Bennett, Les, Vandenborn, Craig and Tcherkashnev, Sergei (2010). Evaluating hydraulic fracture effectiveness in a coal seam gas reservoir from surface tiltmeter and microseismic monitoring. SPE Annual Technical Conference and Exhibition, Florence, Italy, 20-22 September 2010. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/133063-MS

Evaluating hydraulic fracture effectiveness in a coal seam gas reservoir from surface tiltmeter and microseismic monitoring

Johnson Jr., Raymond L., Scott, Michael P., Jeffrey, R. G., Chen, Zuorong, Bennett, Les, Vandenborn, Craig and Tcherkashnev, Sergei (2010). Evaluating hydraulic fracture effectiveness in a coal seam gas reservoir from surface tiltmeter and microseismic monitoring. SPE Asia Pacific Oil and Gas Conference and Exhibition 2010, APOGCE 2010, Brisbane, QLD, Australia, 18-20 October, 2010.

Evaluating hydraulic fracture geometry from sonic anisotropy and radioactive tracer logs

Scott, Michael P., Johnson, Raymond L., Datey, Ashish and Vandenborn, Craig (2010). Evaluating hydraulic fracture geometry from sonic anisotropy and radioactive tracer logs. SPE Asia Pacific Oil and Gas Conference and Exhibition, Brisbane, QLD, Australia, 18-20 October 2010. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/133059-MS

Evaluating hydraulic fracture geometry from sonic anisotropy and radioactive tracer logs

Scott, Michael P., Johnson Jr., Raymond L., Datey, Ashish, Vandenborn, Craig and Woodroof Jr., Robert A. (2010). Evaluating hydraulic fracture geometry from sonic anisotropy and radioactive tracer logs. SPE Asia Pacific Oil and Gas Conference and Exhibition 2010, Brisbane, QLD, Australia, 18-20 October 2010.

Utilising current technologies to understand permeability, stress azimuths and magnitudes and their impact on hydraulic fracturing success

Johnson, Raymond, Glassborow, Brent, Meyer, Jeremy, Scott, Michael, Datey, Ashish and Pallikathekathil, Zachariah (2010). Utilising current technologies to understand permeability, stress azimuths and magnitudes and their impact on hydraulic fracturing success. APPEA 2010, Brisbane, Australia, 17-19 May 2010. Clayton, VIC, Australia: CSIRO Publishing. doi: 10.1071/aj09100

Utilizing current technologies to understand permeability, stress azimuths and magnitudes and their impact on hydraulic fracturing success in a coal seam gas reservoir

Johnson, Raymond L., Glassborow, Brent, Scott, Michael P., Pallikathekathil, Zachariah John, Datey, Ashish and Meyer, Jeremy (2010). Utilizing current technologies to understand permeability, stress azimuths and magnitudes and their impact on hydraulic fracturing success in a coal seam gas reservoir. SPE Asia Pacific Oil and Gas Conference and Exhibition, Brisbane, Australia, 18-20 October, 2010. Society of Petroleum Engineers. doi: 10.2118/133066-ms

Changes in completion strategy unlock massive jurassic coalbed methane resource base in the Surat Basin, Australia

Johnson Jr., R. L., Scott, S. and Herrington, M. (2006). Changes in completion strategy unlock massive jurassic coalbed methane resource base in the Surat Basin, Australia. SPE Annual Technical Conference and Exhibition, ATCE 2006: Focus on the Future, San Antonio, TX, United States, 24-27 September, 2006.

Changes in completion strategy unlocks massive Jurassic coalbed methane resource base in the Surat Basin, Australia

Johnson, R. L., Scott, S. and Herrington, M. (2006). Changes in completion strategy unlocks massive Jurassic coalbed methane resource base in the Surat Basin, Australia. SPE Asia Pacific Oil and Gas Conference and Exhibition, Adelaide, Australia, 11-13 September 2006. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/101109-MS

Managing uncertainty related to hydraulic fracturing modeling in complex stress environments with pressure-dependent leakoff

Johnson, Raymond L. and Greenstreet, Carl W. (2003). Managing uncertainty related to hydraulic fracturing modeling in complex stress environments with pressure-dependent leakoff. SPE Annual Technical Conference and Exhibition, Denver, CO, United States, 5-8 October 2003. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/84492-MS

Completion, perforating and hydraulic fracturing design changes yield success in an area of problematic frac placement - the Cooper Basin, Australia

Johnson, Raymond L., Aw, Keong P., Ball, David and Willis, Mike (2002). Completion, perforating and hydraulic fracturing design changes yield success in an area of problematic frac placement - the Cooper Basin, Australia. SPE Asia Pacific Oil and Gas Conference and Exhibition, Melbourne, Australia, 8-10 October 2002. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/77906-MS

Improving results of coalbed methane development strategies by integrating geomechanics and hydraulic fracturing technologies

Johnson, Raymond L., Flottman, Thomas and Campagna, David J. (2002). Improving results of coalbed methane development strategies by integrating geomechanics and hydraulic fracturing technologies. SPE Asia Pacific Oil and Gas Conference and Exhibition, Melbourne Australia, 8-10 October 2002. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/77824-MS

The pressure-dependence ratio: a Bottomhole treating pressure diagnostic tool for hydraulic fracturing in tight, naturally fractured reservoirs

Johnson, Raymond L., Dunn, Kevin P., Hopkins, Chris W. and Conway, Michael W. (2002). The pressure-dependence ratio: a Bottomhole treating pressure diagnostic tool for hydraulic fracturing in tight, naturally fractured reservoirs. SPE Asia Pacific Oil and Gas Conference and Exhibition, Melbourne, Australia, 8-10 October 2002. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/77916-MS

Bottomhole pressure and in-situ stress profiling techniques improve hydraulic fracturing in a secondary recovery unit

Rodgerson, James L. and Johnson Jr., Raymond L. (1998). Bottomhole pressure and in-situ stress profiling techniques improve hydraulic fracturing in a secondary recovery unit. Southwestern Petroleum Short Course Assoc, Inc.

CO2 energized and remedial 100% CO2 treatments improve productivity in Wolfcamp Intervals, Val Verde Basin, West Texas

Johnson, Raymond L., Walters, Wallace W., Conway, Michael W., Burdett, Bruce S. and Stanley, Rod G. (1998). CO2 energized and remedial 100% CO2 treatments improve productivity in Wolfcamp Intervals, Val Verde Basin, West Texas. SPE Permian Basin Oil and Gas Recovery Conference, Midland, TX, United States, 23-26 March 1998. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/39778-MS

CO2 energized and remedial 100% CO2 treatments improve productivity in Wolfcamp intervals, Val Verde Basin, west Texas

Johnson Jr., Raymond L., Walters, Wallace W., Conway, Michael W., Burdett, Bruce S. and Stanley, Rod G. (1998). CO2 energized and remedial 100% CO2 treatments improve productivity in Wolfcamp intervals, Val Verde Basin, west Texas. Soc Pet Eng (SPE).

Case history of CO2 remedial treatments: Improved production in the Wolfcamp intervals, Val Verde Basin, West Texas

Walters, Wallace W., Johnson Jr., Raymond L., Conway, Michael W. and Burdett, Bruce S. (1998). Case history of CO2 remedial treatments: Improved production in the Wolfcamp intervals, Val Verde Basin, West Texas. Southwestern Petroleum Short Course Assoc, Inc.

More effective hydraulic fracturing in secondary, in-fill developments, Permian Basin, using bottomhole pressure and in‐situ stress profiling techniques

Johnson, Raymond L. and Rodgerson, James L. (1998). More effective hydraulic fracturing in secondary, in-fill developments, Permian Basin, using bottomhole pressure and in‐situ stress profiling techniques. SPE Permian Basin Oil and Gas Recovery Conference, Midland, TX, United States, 25-27 March 1998. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/39781-MS

Qualifying hydraulic fracturing effectiveness in tight, naturally fractured reservoirs by combining three-dimensional fracturing and reservoir simulators

Johnson, Raymond L., Dunn, Kevin P., Bastian, Peter A., Hopkins, Chris W. and Conway, Michael W. (1998). Qualifying hydraulic fracturing effectiveness in tight, naturally fractured reservoirs by combining three-dimensional fracturing and reservoir simulators. SPE Annual Technical Conference and Exhibition, New Orleans, LA, United States, 27-30 September 1998. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/49048-MS

The application of hydraulic fracturing models in conjunction with tracer surveys to characterize and optimize fracture treatments in the Brushy Canyon Formation, Southeastern New Mexico

Johnson, Raymond L. and Woodroof Jr., Robert A. (1996). The application of hydraulic fracturing models in conjunction with tracer surveys to characterize and optimize fracture treatments in the Brushy Canyon Formation, Southeastern New Mexico. SPE Annual Technical Conference and Exhibition, Denver, CO, United States, 6-9 October 1996. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/36470-MS

The application of hydraulic fracturing models to characterize fracture treatments in the Brushy Canyon Formation, Delaware Group, Eddy County, New Mexico

Johnson, Raymond L. (1996). The application of hydraulic fracturing models to characterize fracture treatments in the Brushy Canyon Formation, Delaware Group, Eddy County, New Mexico. Permian Basin Oil and Gas Recovery Conference, Midland, TX, United States, 27-29 March 1996. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/35195-MS

Fracture treatment modifications and bottomhole treating pressure analysis in the pictured cliffs formation, Rio Arriba County, New Mexico

Johnson, Raymond L. (1995). Fracture treatment modifications and bottomhole treating pressure analysis in the pictured cliffs formation, Rio Arriba County, New Mexico. SPE Production Operations Symposium, Oklahoma City, OK, United States, 2-4 April 1995. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/29448-MS

Large-volume, high-rate stimulation treatments in horizontal wells in the Niobrara Formation, Silo Field, Laramie County, Wyoming

Johnson, R. L. and Brown, T. D. (1993). Large-volume, high-rate stimulation treatments in horizontal wells in the Niobrara Formation, Silo Field, Laramie County, Wyoming. SPE Rocky Mountain Regional/Low Permeability Reservoirs Symposium, Denver, CO, United States, 12-14 April 1993. Richardson, TX, United States: Society of Petroleum Engineers. doi: 10.2118/25926-MS

Scoping study for material carbon abatement via carbon capture and storage: China engagement: Special edition

Garnett, Andrew, Underschultz, Jim, Ashworth, Peta, Honari, Vahab and Johnson, Ray (2019). Scoping study for material carbon abatement via carbon capture and storage: China engagement: Special edition. The University of Queensland Surat Deep Aquifer Appraisal Project (UQ-SDAAP) Brisbane, Australia: The University of Queensland.

Modifying subterranean fluid flow patterns using barriers to improve pre-drainage in coal mining

Johnson Jr., Raymond L. (2014). Modifying subterranean fluid flow patterns using barriers to improve pre-drainage in coal mining. PhD Thesis, School of Mechanical and Mining Engineering, The University of Queensland. doi: 10.14264/uql.2017.10

A Methodology to Determine the Initial Field Development Strategy for a Naturally Fractured Shale Gas Resource

Johnson Jr., Raymond L. (2000). A Methodology to Determine the Initial Field Development Strategy for a Naturally Fractured Shale Gas Resource. M.Sc Thesis, Department of Geosystems Engineering, The University of Texas at Austin.