... international journal complex reservoir reservoir geomechanics coal geology upstream oil & gas coalbed methane carbon ch 4 adsorption biot coefficient vandamme gensterblum permeability pereira procedure helium activated carbon guerrero mpa loading ARMA 22 464 Poroelastic and Adsorptive...

... ABSTRACT: Due to the influence of drilling disturbance, wellbore collapse frequently occurs in the underbalanced drilling process of coalbed methane (CBM) horizontal wells. In fact, this kind of wellbore collapse problem is influenced and controlled by the thermo-hydro-mechanical (T-H-M...

.... However, for coalbed methane (CBM) reservoirs, gas desorption-induced coal shrinkage also contributes to the stress change, which is rarely included in the theoretical models. In this work, the in-situ stress evolution during coalbed depletion is first investigated through combining the effect...

... ABSTRACT: For the efficient, economical and environmentally-friendly development of coalbed methane (CBM), a novel idea of using supercritical carbon dioxide (SC-CO 2 ) shock fracturing to enhance CBM was proposed. To test the feasibility of this technique in the lab scale, experimental...

... selecting a layer by means of the fracture on the vertical communication more set of comprehensive development of coal reservoir of coalbed methane and shale gas (Hou et al, 2019; Zhang et al, 2020). shale gas upstream oil & gas rock mechanical characteristic mpa coal bed methane complex...

... ABSTRACT: This paper presents a time-lapse three-dimensional (4D) geomechanics evolution model based on long-term drainage of coalbed methane (CBM) reservoir, which can couple the finite difference reservoir simulator with the finite element geomechanical simulator. In the model...

... ABSTRACT: Coalbed methane (CBM) is one of the important unconventional gas resources in the worldwide. However, we are still facing the challenge of low gas production rate for a single well. Here, we proposed a new completion method: horizontal cavity completion achieved by abrasive water jet...

... 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...

... monte carlo simulation upstream oil & gas orientation discrete fracture network kim specimen tensile strength numerical specimen discontinuity loading direction spatial characteristic joint persistence coalbed methane laboratory test strength cleat characteristic bedding plane...

... investigation of crack dynamic evolution induced by pulsating hydraulic fracturing in coalbed methane reservoir. J Nat Gas Sci Eng 2020;75:103159. Wu, J.J., Zhang, S.H., Cao, H., Kemeny, J., 2016. The effect of pulse frequency on the acoustic emission characteristics in coal bed hydraulic fracturing. In: 50th...

... investment and development (Fjar et al., 2008). information management complex reservoir artificial intelligence coalbed methane upstream oil & gas criteria reservoir characterization shale gas structural geology rock mechanics international journal anisotropic strength criteria...

... 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...

... ABSTRACT: Coalbed methane (CBM) is an important global energy resource. However, caused by its low permeability, reservoir stimulation methods must be taken. Cyclic liquid nitrogen (LN 2 ) fracturing is an innovative fracturing technique to induce fracture networks by means of cyclic thermal...

... 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...

... and Permeability Increase With Depletion for Coalbed-Methane Reservoirs. SPE J. 2010;15(1):152 9. Cui X, Bustin RM. Volumetric strain associated with methane desorption and its impact on coalbed gas production from deep coal seams. Am Assoc Pet Geol Bull. 2005;89(9):1181 202. Day S, Fry R, Sakurovs R. Swelling...

... 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...

... wellbore integrity coalbed methane coal seam gas reservoir geomechanics flow in porous media fracturing fluid Wellbore Design natural fracture transverse fracture projection initiation proppant Upstream Oil & Gas Rock mechanics international journal fracturing materials hydraulic...

...1. INTRODUCTION There has been a growing awareness of the vast potential for recovery of methane gas from coal seams (Holditch et al., 1988). Nowadays, one of the most crucial concern in coal mines is the coalbed methane (CBM) production, and the hydraulic fracturing technique becomes one...