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Keywords: pore pressure
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Proceedings Papers

Paper presented at the SPE/AAPG Eastern Regional Meeting, October 7–11, 2018
Paper Number: SPE-191809-18ERM-MS
... equation cohesive parameter mechanics Injection Rate propagation fracture intervención de pozos petroleros production control reservoir surveillance enhanced recovery shale gas fracturing fluid pore pressure structural geology reservoir geomechanics well intervention reservoir...
Proceedings Papers

Paper presented at the SPE/AAPG Eastern Regional Meeting, October 7–11, 2018
Paper Number: SPE-191811-18ERM-MS
...-decay experiments on one fractured core to study porosity and permeability for both matrix and the fracture, under a series of pore pressure and effective stress. Based on the results, the approach proposed in this study has the advantage over the steady-state method that can capture the character of...
Proceedings Papers

Paper presented at the SPE/AAPG Eastern Regional Meeting, October 7–11, 2018
Paper Number: SPE-191818-18ERM-MS
... providing data and technical support. Anderson , E. M. 1951 . The dynamics of faulting and dyke formation with applications to Britain : Hafner Pub. Co . Bowers , G. L. 1995 . Pore pressure estimation from velocity data: Accounting for overpressure mechanisms besides...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 4–6, 2017
Paper Number: SPE-187523-MS
... Figure 3 The Measured Permeability Values at Different Pore Pressures under Constant Stress Figure 6 Absolute Permebility Evaluation by Klinkenburg Method for Pore Pressure above 900 psia Figure 7 Absolute Permebility Evaluation by Double Slippage Method for Sample 3...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, September 13–15, 2016
Paper Number: SPE-184042-MS
... at low pore pressures (below 250 psia) while the Slip flow is prevalent at higher pressures (above 1000 psia). However, they did not provide any measurement results in the intermediate pore pressure range (250-1000 psia). More recently, a laboratory set-up, referred to as PPAL (Precision...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 13–15, 2015
Paper Number: SPE-177310-MS
... from Pressure History Matching Figure 15 Minimum horizontal stress comparisons between pore pressure, linear and non-linear models at different depletion rates (as a function of various effective horizontal stresses) for Middle Bakken and Lower Bakken Shale at x.xx ft Figure 16...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 21–23, 2014
Paper Number: SPE-171024-MS
... Types of fluids used to address various pore pressure regimes. Figure 2 Typical ROP's of fluid vs. air drilling in 12.25″ and 8.75″ hole sizes. Figure 3 Types of aerated fluids used for underbalanced drilling. Carrying capacity increases from left to right. Fluid velocity...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 21–23, 2014
Paper Number: SPE-171017-MS
... provided. Lower mud weights resulted in an increased ROP and improved drilling efficiency. The use of lower mud weights also enabled the exact pore pressure to be identified when overpressure zones where encountered. Ballooning events were quickly identified and unnecessary mud weight increases were...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, August 20–22, 2013
Paper Number: SPE-165684-MS
... temperature, pore pressure, overlying pressure, confining pressure, borehole pressure, types and production of formation fluid, velocity of slide wave as well as drilling operation, including dry gas drilling, foam or liquid drilling and conversion process of gas-liquid drilling operation. Meanwhile...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, August 20–22, 2013
Paper Number: SPE-165709-MS
... unconventional reservoirs. It is observed that fracture permeabilities decline as reservoirs are depleted because pore pressure declines lead to the closures of fractures and the permeability reductions. Therefore a correlation to quantify the fracture permeabilities varying with pore pressures is highly...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 13–15, 2010
Paper Number: SPE-139104-MS
.... Figure 14 Effective tangential stress distribution along y axis at two different time steps: 10min and 14hr for two cases: with and without fracture system. Figure 8 Pore pressure distribution along x-axis at tow different time steps: 10min and 14hr for two cases: with and without fracture...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 13–15, 2010
Paper Number: SPE-139067-MS
... tests using the Nolte G-function and after closure analyses (ACA) were performed on horizontal Marcellus Shale completions to determine the ISIP, closure stress, net pressure, fluid efficiency, reservoir pore pressure, and formation permeability. The results obtained from the G-Function analysis were...
Proceedings Papers

Paper presented at the SPE Eastern Regional/AAPG Eastern Section Joint Meeting, October 11–15, 2008
Paper Number: SPE-116259-MS
..., and anticipating economic profitability of operations. complex reservoir pore pressure strain gauge permeability ratio coal seam gas adsorption co 2 coalbed methane strain data gas pressure Christiansen sorption-induced strain sorption-induced strain data permeability gas mixture...
Proceedings Papers

Paper presented at the SPE Eastern Regional/AAPG Eastern Section Joint Meeting, October 11–15, 2008
Paper Number: SPE-116619-MS
... Abstract Several of the existing pore pressure estimation methods are based on establishing a normal compaction trend curve with depth. The rationale is that as fine grained sediments are buried with depth the increase in overburden stress compact the sediments therefrom the normal compaction...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 11–13, 2006
Paper Number: SPE-104380-MS
... methane from coal as well as the injection of gases, such as carbon dioxide, for sequestration in coal. Sensitivity analysis of the model found that each of the input variables can have a significant impact on the outcome of the permeability forecast as a function of changing pore pressure; thus, accurate...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 11–13, 2006
Paper Number: SPE-104551-MS
... Reservoir Characterization reservoir simulation discount rate geomechanical parameter specimen geomechanical aspect rock compressibility Decision Tree analysis variation simulator water injection pore pressure multiplier porosity permeability Copyright 2006, Society of Petroleum Engineers...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, November 9–11, 1983
Paper Number: SPE-12311-MS
... skeleton definitely affects the stability of the crack growth. Not only can the pore pressure change a catastrophic failure mechanism to a quasi-static propagation phenomenon, but an increase in pore propagation phenomenon, but an increase in pore pressure can also cause unanticipated fracture pressure can...

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