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Keywords: closure
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-221048-MS
... flapper assembly environment completion installation and operations bha paper number deployment drilling operation subsea system antenna application closure control line-less casing valve installation Introduction The pursuit of continuous improvement in overall Health, Safety...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-215017-MS
... to reserves quantification or stimulation assessment, determination of pore pressure and permeability is extremely important. Once pressure data is analyzed and interpreted, leak-off coefficients, gradient of fracture pressure and closure of fracture pressure or minimum principal stress (or S min ) could aid...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214920-MS
... reservoir. A fully coupled geomechanical fracture-reservoir simulator is used to simulate full lifecycle of hydraulic fractured horizontal wells, which incorporates the creation of hydraulic fractures with proppant injection, post-frac closure, primary production, cycles of production, shut-in and reopening...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210161-MS
... closure stress, pore pressure, and in-situ stress should be obtained accurately, using injection tests such as diagnostic fracture injection tests (DFIT), extended leak-off test (XLOT), step rate test and mini-frac test. Although these tests have been often used in low-permeability reservoirs and can...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210267-MS
... closure pressure, reservoir permeability, and reservoir pressure. Conventional methods for analyzing DFIT are based on the assumption of a vertical well but fail for horizontal wells drilled in ultra-low permeability reservoirs with potential multiple closures. There is still a significant debate about...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210266-MS
... statistically summarizes results from 83 of these DFITs, submitted by many operators from the Canadian Duvernay shale play. The main parameters analyzed were closure, reservoir pressure and permeability. This newly updated directive sets out requirements for pressure and deliverability tests...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195889-MS
... for an accurate comparison of fracture propagation and fracture closure events to determine similarities and differences between them. For example, the signal energy of detail coefficients from the wavelet transformation of hydraulic fracturing data demonstrates abrupt frequency changes during dilation...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195966-MS
... for a creeping shale. Then, using the experimentally-derived parameters, numerical simulation was performed for a laboratory scale model and result was validated against laboratory results. Once this validation had taken place, the model size was extended to the field scale for prediction of annular closure time...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187348-MS
... is not pressure-dependent and, (2) fracture stiffness (or compliance) is assumed to be constant during fracture closure. Fracture closure is a gradual process that starts when asperities at the fracture tip first come into contact with each other. As pressure declines due to leak-off, more and more...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187321-MS
... buildup tests is impossible because no flow occurs without hydraulic fracture stimulation. This study investigates some of the idiosyncrasies that have been reported in a large number of FCTs, which make after-closure (AC) analysis ambiguous or inconsistent. We recently introduced a novel comprehensive...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 27–29, 2014
Paper Number: SPE-170956-MS
...Introduction Padmakar (2013) presented results of a coupled geomechanics and reservoir flow simulation study conducted using commercially available software. An advantage of this approach was that it enabled study of both pre and post fracture closure pressure transient behavior. A Barton...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-166222-MS
... how reservoir permeability can impact final fracturing performance, as well as pressure and temperature responses. The developed model is also applied to simulate minifrac analysis, and a field example is presented that shows a good agreement with the simulated behavior during fracture closure...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-147389-MS
... concentration lbm Mgal Efficiency conductivity closure hydraulic fracturing stimulation fluid efficiency fracture treatment Upstream Oil & Gas completion surface pressure injector well fracture stimulation perforation injection pressure history match gradient permeability...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 19–22, 2010
Paper Number: SPE-135194-MS
... imbibition flow in porous media pore upstream oil & gas displacement closure coreholder experiment fracture fluid dynamics segmentation enhanced recovery saturation profile calculation imaging porosity fluid distribution drainage flow rate pc 0 society of petroleum engineers...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 4–7, 2009
Paper Number: SPE-124361-MS
... Fluid Dynamics flow in porous media Upstream Oil & Gas Phase Behavior viscosity proppant liquid phase co 2 solubility drawdown pressure flowback fracturing materials fracturing fluid gas component productivity index dependence fracture friehauf Methanol foam permeability closure...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, November 11–14, 2007
Paper Number: SPE-110091-MS
... Abstract The G-Function plot originally developed by Castillo was based on the work of Nolte's pressure decline analysis. This plot provides a graphical methodology for establishing fracture closure pressure from which the fluid efficiency, fracture geometry and leakoff coefficient could...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–12, 2005
Paper Number: SPE-95397-MS
... 1 to determine fracture geometry and conductivity. Minifrac and After Closure Analysis 2 (ACA) were performed to provide estimates of fracture fluid efficiency, closure pressure, reservoir transmissibility, and reservoir pressure. Non-ideal leakoff behavior identified in a large percentage...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–12, 2005
Paper Number: SPE-95544-MS
... around the traditional completion and operational practices in West Siberia, and best practices for performing a minifrac during extreme cold. hydraulic fracturing concentration conductivity permeability proppant slug upstream oil & gas fracture implementation closure criteria...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–12, 2005
Paper Number: SPE-96080-MS
... have been used to improve fracture treatment design, execution and economics in various formations and regions across the United States. pressure response fracture height closure stress contrast confinement mechanism fracture growth fracture dimension injection closure stress stress...

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