Power ultrasound assisted coalbed methane enhancement recovery: Field application and performance evaluation in underground coal mine

P Liu, L Fan, Q Li, F Zhong - Fuel, 2022 - Elsevier
Power ultrasonic assisted reservoir modification is a promising technique for enhanced
coalbed methane recovery. The current studies confirm the coal structural alteration and the …

Controls on recovery factor in fractured reservoirs: lessons learned from 100 fractured fields

J Allan, SQ Sun - SPE Annual Technical Conference and Exhibition?, 2003 - onepetro.org
One hundred fractured reservoirs from around the world were evaluated to determine how
ultimate recovery was affected by inherent reservoir and fluid properties, such as porosity …

Production characteristics and the key factors in high-rank coalbed methane fields: A case study on the Fanzhuang Block, Southern Qinshui Basin, China

Y Lv, D Tang, H Xu, H Luo - International Journal of Coal Geology, 2012 - Elsevier
The temporal and spatial production characteristics of coalbed methane (CBM) wells in the
Fanzhuang Block of the Southern Qinshui Basin, the first commercial CBM-producing basin …

Factors controlling high-yield coalbed methane vertical wells in the Fanzhuang Block, Southern Qinshui Basin

S Tao, D Tang, H Xu, L Gao, Y Fang - International Journal of Coal Geology, 2014 - Elsevier
Whether a coalbed methane (CBM) well achieves high yield is controlled by various factors.
Structural and hydrological control models of CBM productivity in vertical wells were built …

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

A Keshavarz, Y Yang, A Badalyan, R Johnson… - International Journal of …, 2014 - Elsevier
The graded proppant injection into a connected cleat system of coal bed methane (CBM)
reservoir allows deeper particle penetration and straining in the remote open cleats yielding …

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

A Keshavarz, A Badalyan, R Johnson Jr… - Journal of Natural Gas …, 2016 - Elsevier
Hydraulic fracturing in naturally fractured rocks interconnects a natural fracture network to
the wellbore. Improving the connectivity between a hydraulically created fracture and the pre …

Influence of in-situ stresses on fracture stimulations in the Surat Basin, southeast Queensland

T Flottman, S Brooke-Barnett, R Trubshaw… - SPE Asia Pacific …, 2013 - onepetro.org
The contribution investigates the relationship between in situ stress regimes, natural fracture
systems and the propagation of induced hydraulic fractures in APLNG's (Australia Pacific …

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

RL Johnson, MP Scott, RG Jeffrey, Z Chen… - SPE Annual Technical …, 2010 - onepetro.org
In develo** new coalbed methane (CBM) or coal seam gas (CSG) fields or reservoirs, the
effect of many parameters are important in understanding the success or potential areas for …

Applications of geomechanics to hydraulic fracturing: Case studies from coal stimulations

VJ Pandey, T Flottman, NR Zwarich - SPE Production & Operations, 2017 - onepetro.org
Modern hydraulic-fracture treatments are designed by use of fracture simulators that require
formation-related inputs, such as in-situ stresses and rock mechanical properties, to optimize …

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

RL Johnson Jr, B Glassborow, MP Scott… - SPE Asia Pacific Oil …, 2010 - onepetro.org
In coal seam gas (CSG), also known as coalbed methane (CBM), appraisal, the
development potential of a play requires an understanding of the interrelationship between …