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Keywords: boundary
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Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175913-MS
... Abstract Conventional DCA methods, developed for boundary dominated flow (BDF), yield unrealistic values for expected ultimate recovery (EUR) when used for unconventional reservoirs with long-duration transient linear flow. Moreover, the developed model parameters are not functions of reservoir...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175977-MS
... such as the decline exponent and time to boundary dominated flow are discussed and compared between wells. Differences in well design such as well length and proppant tonnage impact the well performance and are covered in this paper with a suggested methodology for normalizing the performance data. Finally, a key...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference – Canada, September 30–October 2, 2014
Paper Number: SPE-171566-MS
..., and mainly multiple transverse fracture horizontal wells since 2006. Reported production data enables comparisons of well performance during these eras. This study employs the log-log graph of rate (q) versus material balance time (Q/q) to diagnose transient (slope −¼ or −½) and boundary dominated flow (BDF...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference – Canada, September 30–October 2, 2014
Paper Number: SPE-171584-MS
... t + v ⋅ ∇ ϕ = 0 Artificial Intelligence flow in porous media Upstream Oil & Gas fracturing fluid fracturing materials proppant finite difference reservoir simulator Reservoir Heterogeneity rock matrix boundary contour line dispersion coefficient heterogeneity...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167185-MS
... pressure should the pseudotime be evaluated at ? Conventionally, the average reservoir pressure is used when evaluating pseudotime and it has worked very well during boundary dominated flow. However, Anderson and Mattar (2007) showed that in low permeability systems, when transient flow prevails...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167244-MS
... MPa spe 167244 boundary interface displacement upper block contact stress analytical solution mechanism fracture fluid fracture Although the method of hydraulic fracturing, and more specifically hydraulic fracturing in naturally fractured reservoirs, has become a common practice...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167161-MS
... limited-height growth deviatoric stress fracture interference interference expression horizontal well shale gas fracture size correspond boundary hydraulic fracture weak fracture interference Fracture Interference Map fracture control parameter fracture length hydraulic fracture...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167124-MS
... Superposition-Rate (q sp ). After replacing qn by q3 in Equation (4) , Superposition-Time is given by: Abstract Analysis of flow rate and pressure data, relies on the solution derived using the "constant rate" boundary condition. However, most of the time, production rates are variable. Therefore...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162175-MS
... images obtained in vertical, deviated, and horizontal wells are presented. upstream oil & gas unipole source velocity profile well logging anisotropy ratio coefficient log analysis bakken shale receiver reservoir characterization anisotropy measurement shear velocity boundary...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162646-MS
... linear flow reservoir drillstem/well testing compound linear flow boundary horizontal well spe 162646 equation material balance time Horizontal wells with multiple hydraulic fractures are the most popular technique for exploiting unconventional oil and gas reservoirs. The use...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162806-MS
.... The results, presenting in a type curve format under various conditions, have shown that SRV region is strongly related to the fracture influenced/dominated boundary flow regime and appears as a region possessing a less than 1 slope in pressure and reciprocal rate derivative curves, which indicates...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162830-MS
... oil & gas production data linear flow drillstem/well testing spe 162830 analysis equation hydraulic fracturing porosity model boundary hydraulic fracture fracture log-log plot drillstem testing matrix material balance time micro fracture flow regime horizontal well reservoir...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-147529-MS
.... Abstract The evaluation of Expected Ultimate Recovery (EUR) for tight gas wells has generally relied upon the Arps equation for Decline Curve Analysis (DCA) as a popular approach. However, it is typical in tight gas reservoirs to have limited production history that has yet to reach boundary-dominated...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-149004-MS
..." approach in a reservoir study where the shear deformation or changes in total stresses in the reservoir can not be ignored. Shear deformation or changes in total stresses, and the resulting stress re-distribution in the reservoir, can be caused by non-uniform reservoir flows; boundary, corner and arching...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-147004-MS
... Abstract Type curves for circular uniform-flux fractures in unbounded single-layer reservoirs were presented in the literature several decades ago. Unfortunately, these results have restricted validity since the simple uniform-flux inner-boundary condition will cease to be physically meaningful...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-147300-MS
... solvent recovery alberta recovery boundary operation simulation study modeling & simulation solvent loss pilot project development strategy bitumen production low pressure csug spe 147300 wellpair blowdown For in situ developments, constrained by low MOPs, incorporating...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources and International Petroleum Conference, October 19–21, 2010
Paper Number: SPE-137729-MS
... in fractures and networks of fractures. However, in contrast with gas-liquid flow in fractures, the flow of heavy oil and water has received less attention. Particularly, the flow regime map for two-phase immiscible flow in a thin gap and the transition boundaries are not well studied yet. In this research...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources and International Petroleum Conference, October 19–21, 2010
Paper Number: SPE-137535-MS
... it is possible to uniquely evaluate reservoir properties such as effective permeability and areal extent of the fissured system (SRV). csug spe 137535 boundary fissure dual porosity typecurve complex reservoir linear flow permeability reservoir horizontal well wattenbarger upstream oil & gas...

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