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

RL Johnson Jr - International Journal of Coal Geology, 2024 - Elsevier
There is an opportunity to reduce methane emissions from Australian, open pit, metallurgical
coal (MC) mines and substantially reduce the carbon intensity of a high-value Australian …

Characteristics and Controlling Factors of Fluid Interlayer Crossflow through Fractures in Coal Measure Gas Reservoirs: Implication for Enhancing Production

Q Wang, Y Jin, X Su, F Gao, W Zhao, S Yu - Natural Resources Research, 2024 - Springer
Against the backdrop of implementing integrated hydraulic fracturing on coal measure gas
(CMG) reservoirs, fluids can flow through interlayer fractures during drainage stage …

Overflush and Hydraulic Fracturing: Playing Poker with Your Completion

M Rylance - SPE Journal, 2024 - onepetro.org
Since the inception of hydraulic fracturing, the industry has wrestled with the concept of over-
/underflushing and has always pitched this as a binary philosophy, attempting to …

Successful implementation of two decades of Australian coal seam gas research can improve low-permeability coal productivity and recovery

R Johnson Jr - SPE/AAPG/SEG Unconventional Resources …, 2024 - onepetro.org
Australia has over two decades of successful coal seam gas (CSG, coalbed methane or
CBM) developments but has failed to develop low permeability, highly compartmentalized …

Optimist, Pessimist or Engineer-Conductivity Based on Need Not Fashion

M Rylance - SPE International Hydraulic Fracturing Technology …, 2022 - onepetro.org
An optimist says the glass is half-full, a pessimist half-empty, whereas a good engineer says
that the glass is twice as big as it needs to be. There has been much debate over the years …

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

HM Ramanandraibe, M Sedaghat, R Johnson… - The APPEA …, 2022 - CSIRO Publishing
Coal permeability is the key discriminator in well completion selection in coal wells. Low
productivity is often attributed to compartmentalisation and pressure-dependent permeability …

Technology review of the Northern Bowen and Galilee basins

MP Scott, R Johnson Jr, J Spilsbury-Schakel… - The APPEA …, 2023 - CSIRO Publishing
This paper reviews and summarises the work that has been conducted and the technology
used in exploring and developing the Northern Bowen and Galilee basins in Queensland. It …

Don't forget your keys when trying to unlock the productivity of low-permeability coals

RL Johnson - Australian Energy Producers Journal, 2024 - CSIRO Publishing
Low-permeability coal seam gas (CSG) wells have been the subject of laboratory research
and modelling studies over the past decade, particularly focusing on the pressure …

Quantifying Well Integrity Risk at Scale: A Repeatable & Data Driven Analysis of Well Integrity in Unconventional Gas Fields

TJ Thomas, BJ Norman - SPE Annual Technical Conference and …, 2023 - onepetro.org
This paper presents the results of a well integrity research project conducted on 1,605
unconventional gas wells in Queensland Australia, and discusses the methodology …

Study on Horizontal Well Indirect Fracturing Technology in the Gangue of Broken Soft Coal Seams for CBM Development

X Li, H Zhao, C Wang, D Wang, W Yao… - SPE Middle East Oil …, 2023 - onepetro.org
Crushed soft coal seams have the features of low mechanical strength and broken coal
structure. Fracturing directly in broken soft coal seams, short and coarse fractures are formed …