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The AAPG/Datapages Combined Publications Database
Showing 3,929 Results. Searched 200,357 documents.
Geochemical characterization of natural gas: A physical multivariable approach and its applications in maturity and migration estimates: Discussion
Alton Brown
AAPG Bulletin
... diffusivity (Dsh) to diffusivity of overlying strata (Dss) necessary for gas formation can be related to the hydrostatic pressure gradient (G), seal...
2001
Importance of Hydrodynamic Factor in Formation of Lower Cretaceous Combination Traps, Big Muddy-South Glenrock Area, Wyoming: REPLY
Donald S. Stone , Roger L. Hoeger
AAPG Bulletin
... measurements relative to the elevations of recharge and discharge, or to a hydrostatic pressure gradient downward in the subsurface from the well elevation...
1975
Abstract: Abnormal Electric Resistivity and Fluid Pressure in Bakken Formation, Williston Basin, and its Relation to Petroleum Generation, Migration, and Accumulation, by Fred F. Meissner; #90971 (1976).
Search and Discovery.com
1976
Abstract: Focused Fluid Migration along Faults in the Miocene Monterey Formation, California, by P. Eichhubl and J. R. Boles; #90937 (1998)
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1998
Abstract: Focused Fluid Migration along Faults in the Miocene Monterey Formation, California, by P. Eichhubl and J. R. Boles; #90928 (1999).
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1999
1.0 Introduction
P. E. Gretener
AAPG Special Volumes
... is beyond doubt today. It must be kept in mind that the pore pressure is neutral, i.e. hydrostatic. Rock deformation by shear takes place in response...
1981
The pore pressure regime of the northern Gulf of Mexico: Geostatistical estimation and regional controls
Scott Morris, Brian Vestal, Kelsey O’Neill, Michael Moretti, Cesar Franco, Nathan Hitchings, Jianmin Zhang, and John D. Grace
AAPG Bulletin
... by the hydrostatic gradient (0.465 psi/ft [10.49 kPa/m]) and a high boundary drawn at the estimated overburden pressure (1.0 psi/ft [22.57 kPa/m]). In his map...
2015
Attributes of a Large Underpressured Gas System, San Juan Basin, New Mexico
Philip H. Nelson, Steven M. Condon
AAPG Special Volumes
... gradient for the pressure difference divided by a depth interval within a continuous gas phase, and (3) hydrostatic gradient for the pressure gradient within...
2008
Abstract: Modern Thermobaric Conditions of the Barents and Kara Seas Region, by Vasily Bogoyavlensky, Tatiana Budagova, Andrey Bezhentsev; #90096 (2009)
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2009
Stress Evolution Of Maari Field, Nz: Implications For Fault/Fracture Integrity, Stress Prediction, Infill Drilling And Borehole Integrity
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N/A
Overpressure generation and evolution in a compressional tectonic setting, the southern margin of Junggar Basin, northwestern China
Xiaorong Luo, Zhaoming Wang, Liqiang Zhang, Wan Yang, Loujun Liu
AAPG Bulletin
... variable (Wu et al., 2000; Zeng et al., 2000); the pressure coefficient is commonly larger than 2.0 and up to 2.43, and in some cases, hydrostatic...
2007
Aspects of Vertical Multiphase Flow Determination and Calculation Procedure in South Palembang District Oil Wells
Okti Barmi, M. Assegaf
Indonesian Petroleum Association
..., 1952). The pressure gradient is the sum of three contributing factors; hydrostatic pressure gradient, friction pressure gradient and acceleration...
1983
Pore-throat sizes in sandstones, siltstones, and shales: Reply
Philip H. Nelson
AAPG Bulletin
... profiles for a homogeneous sandstone with (A) large pore throats and (B) small pore throats. Lines parallel to the hydrostatic gradient give the smallest...
2011
AAPG Memoir 67: Seals, Traps, and the Petroleum System. Chapter 15: A Pore-Pressure Limit in Overpressured South Texas Oil and Gas Fields
Terry Engelder and John T. Leftwich, Jr.
AAPG Special Volumes
... that are approximately linear. With this approximation, each zone is assigned a constant pressure-depth gradient. In the shallow portion of South Texas oil and gas...
1997
Migration of Fluids in Sedimentary Basins: DISCUSSION
Richard E. Chapman
AAPG Bulletin
...: downward migration occurs where the pressure gradient with depth is less than hydrostatic gradient, (^Dgrp/^Dgrz) < ^rgrg; upward migration, when (^Dgrp...
1980
Extended Abstract: A Review of the Leading Technologies That Can Make a Difference in the Search for and Production of Hydrocarbons
Terry Engelder, Yaneng Zhou
Africa Energy and Technology Conference, 2016
... in the Devonian section of MCCW are between the values of pore pressure and overburden stress (Fig. 2b). The hydrostatic pore pressure gradient Pp/z...
2016
HYDRODYNAMIC FLOW IN LOWER CRETACEOUS MUDDY SANDSTONE, GAS DRAW FIELD, POWDER RIVER BASIN, WYOMING
Joseph T.C. Lin
Rocky Mountain Association of Geologists
.... The hydrostatic head was calculated from the orig~nalfluid pressure by using a constant pressure gradient of 0.433 psi/ft. Fluid pressure measurement...
1981
Memoir 70, Chapter 7: Abnormally High Formation Pressures in Petroleum Regions of Russia and Other Countries of the C.I.S.
AAPG Special Volumes
... pressure divided by the hydrostatic pressure) less than 1.8 (0.81 psi/ft, 18.7 kPa/m), suggestive of a commercially practical upper limit for productive...
1998
Abstract: Abnormal Pressures and Water Saturations in Tight Gas Scenarios; #90282 (2016)
Marcelo Crotti
Search and Discovery.com
... and Water Saturations in Tight Gas Scenarios Marcelo Crotti1 1 InLab ABSTRACT Abnormal pressure in tight reservoirs typically indicates...
2016
Onshore Kutai Basin Pore Pressure Synthesis and Hydrocarbon Accumulation
Irawan Youdha Tribuana, Danny Nursasono, Arrie Kurniawan, Yoseph Robby Apranda, Hafizhan Ihsandani
Indonesian Petroleum Association
... is the "Accumulation Zone," which extends from the hydrostatic pressure regime to the top of hard overpressure zone. The zone occurs due to the chemical...
2022
WFT Data and Pressure Profile Analysis: Applications, Complexities, and Challenges
J. V. C. Howes
Indonesian Petroleum Association
.... Complexities encountered in pressure profile analysis include issues of (a) WFT-derived versus and PVTderived gradients, (b) inter-relation of gradient...
2000
Evidence for a Hydrodynamic Aquifer in the Lower Miocene Sands of the Mad Dog Field, Gulf of Mexico, by Troy A. Dias, David L. Tett, and Michelle T. Croasdaile, #10221 (2010).
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2010
Exploring "Sweet Spots" in the Deep Shelf, Gulf of Mexico
Selim S. Shaker, Walter W. Wornardt Jr.
GCAGS Transactions
... on the pressure gradient (PG), maximum flooding surfaces as main seals, and the relationship between the sealing and retention capacities. End_Page 758...
2003
Can Dispersive Pressure Cause Inverse Grading in Grain Flows?
Francois Legros
Journal of Sedimentary Research (SEPM)
... the hydrostatic pressure gradient imparts an upward-directed Archimedes buoyancy force to particles. Particles tend to sink if their weight is greater than...
2002
Effective Use of High Density VSP Measurements to Predict Pore Pressure and Estimate Mud Weight Ahead of Drilling in the Mahakam Delta, Indonesia
Mohammed Badri, Stephane Gazet, Gregoire de Tonnac
Indonesian Petroleum Association
... occurs when pore pressure exceeds normal hydrostatic pressure and is related to certain environment conditions in the subsurface. It is the result...
2005