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Keywords: desorption
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Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 13–15, 2015
Paper Number: SPE-177320-MS
... In a shale gas reservoir, the gas reserves consist not only of free gas, but also of adsorbed gas ( Kok and Merey 2014 ). The pressure declines during production, and desorption results in a nonlinear system due to large changes in gas compressibility ( Ekramzadeh et al . 2012 ). Deconvolution...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 21–23, 2014
Paper Number: SPE-171008-MS
...Introduction Artificial Intelligence complex reservoir hydraulic fracturing modeling gas production shale gas reservoir desorption gas flow non-darcy flow hydraulic fracture reservoir simulation gas desorption reservoir pressure pressure-dependent permeability shale gas...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, August 20–22, 2013
Paper Number: SPE-165681-MS
... be used for establishing flow units as shown by Aguilera (2013) . Current Shale Gas Formulations shale gas Artificial Intelligence Upstream Oil & Gas pore Thickness mechanism adsorbed porosity shale reservoir shale gas reservoir complex reservoir natural fracture desorption...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, September 23–25, 2009
Paper Number: SPE-125530-MS
...Gas Desorption and Stress Dependent Fracture Permeability The production profile for Well B follows the simulation results for the larger network block size (Dx = 600 ft) and matrix permeability of 1e-4 mD relatively closely, indicating that fracture complexity in Well B may be low...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, September 23–25, 2009
Paper Number: SPE-125929-MS
.... The pseudovariables allow pressure- and saturation-dependent CBM reservoir properties to be accounted for; such as desorption, k g and k w (which can be a function of both pressure and saturation), and fluid properties. The superposition time functions allow variable rate/pressure data to be converted...
Proceedings Papers

Paper presented at the SPE Eastern Regional/AAPG Eastern Section Joint Meeting, October 11–15, 2008
Paper Number: SPE-115405-MS
...Abstract Abstract Gas content and storage capacity are the key parameters for determination of the gas resources and reserves in unconventional reservoirs. These parameters must be obtained from laboratory experiments in the core samples such as desorption canister tests and adsorption isotherm...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 11–13, 2006
Paper Number: SPE-104380-MS
... ) E . Sorption-Induced Strain Gases are adsorbed onto the coal surfaces with increasing pore pressure and desorbed from the coal surfaces with decreasing pore pressure. The adsorption or desorption of gas molecules causes the length of the matrix block a to either increase or decrease...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, September 15–17, 2004
Paper Number: SPE-91414-MS
... are unavailable. It generates graphical outputs in form of gas and water production rate vs. time, cumulative production vs. time, pressure, saturation and gas desorption distribution throughout the reservoir. It allows for production scheduling for detail history matching process. It lets the user to plan...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, November 9–11, 1998
Paper Number: SPE-51063-MS
... Abstract The dewatering process, which stimulates gas desorption, is essential for gas production in coalbed methane (CBM) reservoirs. Many CBM wells require hydraulic fracturing to provide interconnectivity and hydraulic access to the cleat/matrix system. Without hydraulic communication...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 23–25, 1996
Paper Number: SPE-37382-MS
... Abstract This paper analyses the main effects of permeability of coal seams on the coalbed methane exploration in the light of mechanisms of methane adsorption and desorption and the micropore structures. It points out that the obstacle to a successful exploitation of coalbed methane...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, November 8–10, 1994
Paper Number: SPE-29173-MS
... reservoir gas property pseudopressure upstream oil & gas numerical simulator desorption matrix system isotherm drillstem/well testing compressibility sorption effect gas adsorbed reservoir pressure equation average pressure drillstem testing gas reservoir constant pressure...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 31–November 2, 1990
Paper Number: SPE-21272-MS
... Abstract The feasibility of detecting and accurately estimating gas desorption parameters from a history match of Devonian shale well-test pressure data is examined. Both drawdown and buildup tests are analyzed, and based on the results of these analyses a desorption-specific well-test design...

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