...., 2012). Organic-rich surfaces can adsorb various gas molecules (N 2 , CH 4 and CO 2 among others) increasing vastly the storage capacity in organic-rich rocks (Busch and Gensterblum, 2011). reserves evaluation coal seam gas reservoir characterization coefficient espinoza coal bed methane...

... integrity journal variation mpa skeleton coalbed methane reservoir characterization desorption borehole coefficient permeability coal bed methane wellbore stability international journal criterion equation chen ARMA 22 190 Fully coupled thermo-hydro-mechanical model for wellbore stability...

... the old ones. drilling operation upstream oil & gas wellbore design coal seam gas coalbed methane wellbore integrity evolution rock mech criterion complex reservoir hydraulic fracturing reservoir characterization shrinkage sci coal bed methane wellbore breakout reservoir...

... plasticity relatively, which results in a tendency to create the wide fractures with low fracture length (Lau et al., 2017). united states government upstream oil & gas complex reservoir sc-co 2 reservoir geomechanics specimen coalbed methane coal seam gas morphology coal bed methane...

... attracting attention, and gradually become an important strategic resource and powerful supplement, among which coal measure shale gas is one of the important types of unconventional natural gas (Zou et al, 2018). Coal measure shale reservoirs in China is rich in shale gas and coal-bed methane, which have...

... hydraulic fracturing coal seam gas artificial intelligence coal bed methane re-fracturing coalbed methane wellbore design reservoir simulation gas production high medium selection minimum horizontal principal stress structural geology volumetric strain qinshui basin reservoir characterization...

... a great challenge in China (Lou, 2013). Depressurization and desorption are the theoretical basis for the current in-suit CBM surface wells production (Liu et al., 2011). The core concept is to reduce the reservoir pressure of coal bed methane through well drainage. When the reservoir pressure is lower...

... wellbore integrity climate change coal seam gas upstream oil & gas dislodgement test kpa well decommissioning wellbore design strength initial strength reservoir characterization coalbed methane casing and cementing pellet coal bed methane plug complex reservoir bentonite...

... but were implicitly considered by assigning the equivalent material properties for the bedding planes in the model. metals & mining coal bed methane reservoir characterization hydraulic fracturing health & medicine coal seam gas persistence simulation us government complex reservoir...

... in CBM reservoirs during pulse hydraulic fracturing. J Nat Gas Sci Eng 2015;25:15 22 coal bed methane complex reservoir bhp amplitude coal seam gas long wellbore mpa pulse pressure bhp evolution coalbed methane frequency phf resonance frequency hydraulic fracturing chf wellbore...

... With the impact of the successful development of shale gas in North America, the world is also taking adequate measures to increase the exploration and development of unconventional oil and gas, such as shale oil and gas, tight sand oil and gas, coal-bed methane (Ma et al., 2015; Soder, 2018; Jiang et al., 2020...

... hydraulic fracturing upstream oil & gas coal bed methane coal seam gas harpalani volumetric strain fracture network san juan basin coal flow in porous media complex reservoir depletion depletion test coalbed methane fluid dynamics international journal coal matrix evolution...

... fracture is controlled by the minimum horizontal stress principle. The key findings are expected to provide theoretical guidance for CBM development. coalbed methane fracture pattern plane coal bed methane complex reservoir axial stress coal seam gas freeze-thaw treatment lateral stress...

... at three different stages of longwall retreat mining. This work provides a basis for continued research aimed at an engineering-based design of coal pillar rib support design. metals & mining Reservoir Characterization reservoir geomechanics coal bed methane coalbed methane esterhuizen...

... coal bed methane reservoir geomechanics permeability variation coal geol stress-induced anisotropy complex reservoir saurabh Upstream Oil & Gas anisotropy number structure anisotropy equation depletion shale matrix anisotropy ABSTRACT: Sorptive rocks like coal and shale...

... coal seam gas strength freezing coalbed methane medium freezing freezing method hydraulic fracturing Upstream Oil & Gas mechanical property coal specimen characteristic coal bed methane complex reservoir coal specimen rapid freezing compressive strength tensile strength...

... Coefficient coal particle molecule coalbed methane fick diffusion model sample cell surface concentration experiment diffusion coefficient coal bed methane pillalamarry Upstream Oil & Gas concentration constant surface concentration coal matrix gas pressure ARMA 19-1847 A numerical...

... of hydraulic fractures. hydraulic fracturing Upstream Oil & Gas coal seam gas coal specimen fracture shape coal bed methane complex reservoir Brazilian test coalbed methane strength freezing hydraulic fracture fracture cleat freezing treatment specimen crack shape water-saturated...

... dilation was more significant and the propagation path are more tortuous in ductile rock rather than that of brittle rock. The insight may provide better understanding of shear dilation for both modeling and hydraulic fracturing treatment design in field. Reservoir Characterization coal bed methane...

... investigation of hydraulic sand fracturing on fracture propagation under the influence of coal macrolithotypes in Hancheng block, China. Journal of Petroleum Science and Engineering, 175: 60-71. hydraulic fracturing Upstream Oil & Gas fracture energy fracture propagation fracture coal bed methane...