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Keywords: pore pressure
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Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, September 28–October 2, 2020
Paper Number: SPE-199978-MS
... elastic and strength properties, pore pressure, direction and magnitude of in-situ stresses. Extensive rock mechanics core testing data were used to calibrate the elastic and strength properties. Pore pressure and fracture closure pressure data from diagnostic fracture injection tests were also available...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, September 28–October 2, 2020
Paper Number: SPE-199980-MS
... reservoir pore pressure flow in porous media fluid dynamics radial-flow pdm radial direction downstream reservoir gas compressibility permeability mpa reservoir pressure difference shale gas compressibility gas reservoir analytical solution gas sorption transient technique permeability...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, September 28–October 2, 2020
Paper Number: SPE-200011-MS
... shale zones than the carbonate zones. In Duvernay minifrac tests, longer fall off data collection (> 2 weeks) is critical for a successful determination of closure pressure and pore pressure estimation. During fracture stimulations, tight cluster spacing, i.e. ≤10m apart, might limit fracture...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, September 28–October 2, 2020
Paper Number: SPE-199997-MS
... installation and operations re-fracturing complex reservoir reservoir geomechanics artificial intelligence proppant reservoir characterization fracturing materials hydraulic fracturing wellbore design pore pressure geomechanical modeling rotation fracture interaction fracturing fluid simulation...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, September 28–October 2, 2020
Paper Number: SPE-199990-MS
... and well completion engineers including instantaneous shut-in pressure (ISIP), pore pressure, closure stress, fluid efficiency, reservoir flow capacity, and fracture leak-off regime. A comprehensive regional or field-wide study of the DFITs is deemed very useful for operators at any stage of...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189810-MS
... the fracing barriers. The implementation of this workflow in realtime serves as a reference tool and guides the field engineers to efficiently stimulate and develop an unconventional reservoir in the most economical way. reservoir geomechanics pore pressure hydraulic fracturing surface...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189820-MS
... localized increases in pore pressures and reductions in the effective normal stresses acting on critically stressed faults, resulting in fault slip and induced seismicity. Amongst the different factors influencing induced seismicity, operational factors such as injection volume and rate are potentially...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189812-MS
... microseismic cloud Modeling & Simulation Injection point pore pressure pressure contour-surface symmetric ellipsoid equation octant microseismic data integration diffusion hydraulic fracturing diffusivity coefficient asymmetric growth Pressure ratio SRV Aguilera ellipsoid srv asymmetric...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185059-MS
... compressibility porosity shale gas accessible pore power law function compressibility value inaccessible pore accessible pore compressibility value mercury Reservoir Characterization Upstream Oil & Gas pore pressure total pore compressibility prediction evaluation standard condition complex...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175919-MS
... flow regime is observed to be dominant in pore scale. As a result, permeability changes with pore pressure. Traditionally, permeability is measured at various mean pore pressures and the data is used to extract the Klinkenberg or absolute permeability. However, it has been shown recently that...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175903-MS
... Alberta Energy Regulator. The significance of this study is to investigate the influence of geomechanics on well productivity for fractured reservoirs using a common geological parameter which relates fracture intensity to mechanical properties. coal bed methane complex reservoir pore pressure...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175890-MS
... formulation drilling fluid chemistry drilling fluids and materials Upstream Oil & Gas British Columbia minimum pore pressure gradient operation drilling fluid property drilling fluid formulation section mpd design MPD technique influx society of petroleum engineers drilling operation...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference – Canada, September 30–October 2, 2014
Paper Number: SPE-171590-MS
... & Gas well logging microseismic event minimum horizontal stress pore pressure fracture network Poisson unconventional fracture modeling horizontal stress situ stress natural fracture maximum horizontal stress hydraulic fracture anisotropy elastic property fracture complexity horizontal...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167227-MS
... Vertical stress at any point in a formation is equivalent to the weight of the formation materials above that point, and was computed by integrating the bulk density log. The pore pressures were computed based on a pressure gradient as estimated from pore pressure measurements. The minimum...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167166-MS
... numerical solutions are illustrated in Table-1 . The numerical solution of Equation-5 is shown in Figure-7 . Pore pressure increases with time around the wellbore and dissipates going deeper into the formation. It should be noted that an intact formation is simulated here and the stability conditions...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-161770-MS
... of overburden stress gradient of 25.40 kPa/m and 25.03 kPa/m were obtained respectively at the end of each well. Because of these unreasonable pressure values, three normal trends were considered and the pore pressure profile was calculated as shown in Figure 6 . The top of the Trend 3 (third...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162779-MS
... detailed injection history (Mohamed, conventional well test techniques). hydraulic fracturing drillstem/well testing bilinear injection time pressure transient analysis upstream oil & gas pore pressure flow regime drillstem testing breakdown history soliman derivative minifrac...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162814-MS
... wellbores generally exhibit lower NFP complexity as fracture initiation and growth is simpler from vertical wells than from horizontal wells. Relations between NFP complexity and NHS (closure – pore pressure) are complicated by the degree to which tectonics has diminished and overprinted the pore pressure...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-146529-MS
... and stopping of the pump drilling fluid management & disposal circulation mud weight drilling fluids and materials pore pressure cuervito field operation drilling well control upstream oil & gas unconventional drilling technique conventional drilling fracture gradient annular...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-148946-MS
... studied and conducted throughout the world. The CO 2 has to be trapped below a caprock and the trap itself occurs in a complex geological setting which creates a complex geometrical model. Increased pore pressure may result in uplift of the formation and generation of new fractures or reactivation of...

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