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Keywords: gas reservoir
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Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, September 28–October 2, 2020
Paper Number: SPE-199980-MS
... and space, a finite difference scheme is described and used to get the numerical solution of the models ( LeVeque 2007 ). Considering the tight structure of unconventional gas reservoirs, a complete decay for a pressure pulse may take a considerable time. Hence, for practical application, it is necessary...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189808-MS
... used in conventional reservoirs such as droplet, film or transient multiphase flow models are also applied with modifications in unconventional gas reservoirs. However, none of these models show great success when applied to inclined and horizontal wells in shale gas reservoirs. This is due to the fact...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185063-MS
... numerical inversion. Pseudo-time (for gas reservoirs) is iterative and has demonstrated issues with accuracy, particularly in stress-sensitive reservoirs. In this work, we present a new, practical semi-analytical model which provides a direct time domain solution using the succession of steady-states method...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175923-MS
.... Material Balance Equation (MBE) is a simple but convincing tool in that it eliminates the assumptions lying in the flow equations. This paper seeks to use the MBE technique to analyze early-time two-phase flowback data in shale gas reservoirs. Diagnostic plots from field production data show an immediate...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175906-MS
...Gas transport mechanisms in micro fractures Pressure varies in micro fractures with the aperture of nano-micro scale distribution 2 , 3 , 4 , 9 , 10 , 11 during the development of gas reservoirs. 12 , 13 The typical value of Knudsen number ( K n) ranges from 0.00005 to 2. 14...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference – Canada, September 30–October 2, 2014
Paper Number: SPE-171610-MS
... in tight-shale gas reservoirs, Nobakht and Clarkson (2012a) assumed t ehs to be ¼ for constant-rate flow and ½ for constant-flowing pressure ( Nobakht and Clarkson 2012b ). Abstract When it comes to forecasting production from shale plays that are subject to multistage hydraulic fracturing, most...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference – Canada, September 30–October 2, 2014
Paper Number: SPE-171664-MS
... reservoir gas reservoir production history realization initial ensemble fracture half-length fracture system fracture model parameter algorithm characterization hydraulic fracture parameter ensemble fracture parameter Introduction Shale gas reservoirs with low permeability rock matrix...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference – Canada, September 30–October 2, 2014
Paper Number: SPE-171673-MS
... fractures and pre-existing natural fractures. Upstream Oil & Gas hydraulic fracturing diagnostic plot Horn River Basin Dehghanpour reservoir shale gas reservoir production data expansion free gas shale gas gas production flowback data volumetric analysis fracture society...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference – Canada, September 30–October 2, 2014
Paper Number: SPE-171633-MS
... of slabbed core, 22 core plugs and their accompanying cuttings), this study provides a roadmap to fully characterize the fluid storage and transport properties of fine-grained tight oil and liquid-rich gas reservoirs. We demonstrate that pore structure, large- and fine-scale (cm-size) permeability...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference – Canada, September 30–October 2, 2014
Paper Number: SPE-171637-MS
... and confinement effects be important. In general, this method can be used for inclusion of different pressure-dependent fluid and rock properties and processes in the analysis of shale gas reservoirs. Drillstem Testing Fluid Dynamics flow in porous media Upstream Oil & Gas pseudopressure complex...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference – Canada, September 30–October 2, 2014
Paper Number: SPE-171641-MS
... Abstract Unconventional gas reservoirs have complex storage and transport properties that are difficult to characterize and are dynamic. The large internal surface area of nano-scale organic pores gives them the capability to store adsorbed gas along with free gas, with the amount of free gas...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167185-MS
... i p i ∫ p b p p μ g z dp Incorporating this transformation completely linearizes the spatial portion of Equation (1) (see Equation (3) ). Abstract Due to the recent advances in well design and production techniques, tight/shale gas reservoirs have...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167195-MS
... operation Directional Drilling gas reservoir frac sleeve MPa fracture liner spearhead proppant frac packer Upstream Oil & Gas stimulation deep carbonate gas reservoir coil reservoir hydraulic fracturing CARBONATE gas RESERVOIR completion acid proppant frac energy upstream society...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162526-MS
.... (2009) and Handwerger et al. (2011) for recent discussion of non steady-state techniques which are more common for unconventional gas reservoirs. For fracture conductivity, the procedure typically involves measurement of flow in the direction of an induced fracture in a core for unpropped...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162647-MS
... upstream oil & gas pressure transient analysis pressure transient testing gas reservoir production data negative intercept transitional period geometry linear flow reservoir pressure drop wattenbarger interpretation early linear flow fracture permeability compound linear flow flow...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162717-MS
... (VSD). The VSD has been shown in the past to be useful for the evaluation of conventional and tight gas reservoirs. However, this is the first paper in which the method is used to also include shale gas and CBM formations.. Results indicate a total gas endowment of 70000 tcf, split between 15000 tcf...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162774-MS
... compared with factual information from the Deep Basin. The conclusion is reached that updip water blocks provide good seals in the Deep Basin. The simulation also confirms that special completion and stimulation practices are required in order to produce gas at economic rates from tight gas reservoirs...

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