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The AAPG/Datapages Combined Publications Database
Showing 3,929 Results. Searched 200,357 documents.
Field Evidence for Erosion-Induced Underpressuring in Upper Cretaceous and Tertiary Strata, West Central Alberta, Canada.
Kevin P. Parks, Jozsef Toth
CSPG Bulletin
...-extrapolated formation pressures versus recorder depth are shown in Figure 4. The freshwater hydrostatic pressure gradient is shown also in the figure...
1995
Occurrence, Origin and Implications of Overpressure in the Malay and Penyu Basins, Offshore Malaysia
Mohd Shariff Kader, W. C. Leslie
Geological Society of Malaysia (GSM)
... by an equivalent column of water to that same depth. The pressure gradient of a free-standing column of fresh water is 0.433 psilft (9.79 kPalm...
1995
Rapid sedimentation reduces the thermal gradient, increases pore pressure, and dramatically deepens the base of the gas hydrate stability zone in rapidly formed sedimentary basins
Alexey Portnov, Peter B. Flemings, Kevin Meazell, Michael Hudec, Dallas Dunlap
International Meeting for Applied Geoscience and Energy (IMAGE)
...Rapid sedimentation reduces the thermal gradient, increases pore pressure, and dramatically deepens the base of the gas hydrate stability zone...
2022
Pressure Prediction in Exhumed Basins
A. Edwards, J. Heller, S. Clancy, N. Whitfield, S. O'Connor
GEO ExPro Magazine
... assuming the rocks are Visian 2500 normally compacting with hydrostatic pore pressure, which is much more complicated if the rocks are not at 3000...
2013
Practical Uses of Pressure Gradients from the Formation Tester
K. Wali
Papua New Guinea (PNG) Petroleum Convention Proceedings
.... Wali1 Abstract Introduction Pressure gradient profiles have important applications in determining the fluid content within a single reservoir...
1990
Underpressure Distribution and Origin of the Tight Gas Reservoirs in Middle Jurassic J2sh Formation of the Central Sichuan Basin, Southwestern China
Qiaochu Wang, Dongxia Chen, Xianzhi Gao, Yi Zou
Unconventional Resources Technology Conference (URTEC)
... to the hydrostatic pressure at the same depth, abbreviated as Pcoe) ranging from 1.2 to 1.6 (Law and Spencer, 1998). However, underpressure is also...
2021
Vertical Pressure Distribution in the Central Nam Con Son Basin, Vietnam
Hoang Ngoc Dang, Jan Rafdal, Chris Sladen
Indonesian Petroleum Association
... 5. Schematic Vertical Pressure Distribution for the Central Nam Con Son Basin. (a) Post-Rift Section Zone of hydrostatic pressure Pressure ramp...
1999
The Integration of Hydrodynamics and Stratigraphy, Muddy Sandstone, Northern Powder River Basin, Wyoming and Montana
D. A. Smith
Wyoming Geological Association
... is the elevation above a datum (KB elevation minus DST gauge depth; i.e., elevation relative to sea level) and 0.433 psi/ft is the pressure gradient...
1988
Analytical Method to Accurately Estimate Overpressure Magnitude: The Case Study from Indonesia's Tertiary Basins
Agus M. Ramdhan, Lambok M. Hutasoit, Arifin
Indonesian Petroleum Association
... vertical stress () is in psi and depth (z) is in ft. Taking hydrostatic pressure gradient of 0.433 psi/ft, the effective stress value at the depth...
2021
ABSTRACT: Episodic Overpressure and its Control on Reservoir Diagenesis, by Richard E. Swarbrick; #91020 (1995).
Search and Discovery.com
1995
Hydrodynamic Anomalies and Oil-Gas Potential of the Offshore Parts of the North Sakhalin Oil-Gas Basin
G. P. Vakhterov, I. Ye. Nikolayev
Petroleum Geology: A Digest of Russian Literature
... of the North Sakhalin basin form an aquifer in which infiltrating water is under hydrostatic pressure. This water is the sodium bicarbonate type...
1991
Abstract: Episodic Overpressure as a Primary Control of Diagenetic Fluids, by R. E. Swarbrick; #90982 (1994).
Search and Discovery.com
1994
Underpressure, Overpressure, and Sand Pack Experiments, by Nelson, Philip H.; #90030(2004)
Search and Discovery.com
2004
Fault/Fracture Permeability Estimated from Response of a Natural Marine Methane Seep to Underlying Hydrocarbon Production; #40505 (2010)
James R. Boles, Steve Horner, and Grant Garven
Search and Discovery.com
... 10mD PRODUCTION (1969-2008) OIL 60MMB GAS 52BCF Monterey Reservoir Pressure is sub-hydrostatic 1984 PRESSURE (PSI) 3881'SS 2200 HYDROSTATIC...
2010
Minimum Conditions for Migration of Oil in Water-Wet Carbonate Rocks
Bert C. Aschenbrenner , Charles W. Achauer
AAPG Bulletin
... not migrate either under hydrostatic or hydrodynamic conditions unless the displacement pressure exceeds the entry pressure of the pore interconnections...
1960
Velocity for Pore Pressure Prediction Modeling and Risk Assessment
Selim Simon Shaker
GCAGS Transactions
... where P/zc/d = pore pressure gradient at depth zc/d, S/zc/d is overburden gradient at depth zc/d, (P/zc/d)h is the hydrostatic gradient at depth...
2016
Fluid Pressure in Porous Media -- Its Importance in Geology: A Review
P. E. Gretener
CSPG Bulletin
... (HYDROSTATIC) VERSUS ABNORMAL In order to measure the pore-fluid pressure in a certain geological horizon, one must gain access to the particular...
1969
The Implementation of Underground CO2 Sequestration: Analysis of Caprock Leakage on the Todilto Shale of San Juan Basin
Irma Primasari, William Ampomah, Her Yuan Chen, Jiawei Tu, Dung Bui, Dana Ulmer-Scholle, Shaoping Chu
Carbon Capture, Utilization and Storage (CCUS)
... reservoir will follow a normal or under-pressure gradient, a hydrostatic condition that is suitable for this study. Thus, this study will use...
2024
Thermobarometric Anomalies as Reflection of Formation of Hydrocarbon Pools (in example of West Siberian oil-gas basin)
N. F. Chistyakova
Petroleum Geology: A Digest of Russian Literature
... with provisional hydrostatic pressure. Low formation pressures in wells located at the very highest hypsometric level of Stratum VK-1 led to formation...
2002
Multiphase flow in oil and gas reservoirs
Monty E. Hoffman, James Crafton
Rocky Mountain Association of Geologists
..., the hydrocarbons first enter into the pore network that has the lowest entry pressure. As the hydrostatic head (height of column) of the hydrocarbon column builds...
2017
Assessment of the Oil-Gas Prospects of the Lower Cretaceous Sedimentary Rocks of the Karlav Area of the Tarkhankut Peninsula
O. M. Ozernyy
Petroleum Geology: A Digest of Russian Literature
... in the Karlav and adjacent areas is equal to the hydrostatic pressure. See Fig. 2. The overpressure coefficient does not exceed 1.08. (This pool...
1991
Seismic Geomorphology and Overpressure Variation in the Shallow Water Flow (SWF) Prone Sand Units in the North-Central Gulf of Mexico
Search and Discovery.com
N/A
Abnormal Pressures in the Lower Vicksburg, McAllen Ranch Field, South Texas
Robert R. Berg , Mark F. Habeck
GCAGS Transactions
... shale conductivities and pressure by the method of Hottman and Johnson (1965). Pressures at selected levels were converted to hydrostatic head by use...
1982
Salt-driven evolution of a gas hydrate reservoir in Green Canyon, Gulf of Mexico
Alexey Portnov, Ann E. Cook, Mahdi Heidari, Derek E. Sawyer, Manasij Santra, and Maria Nikolinakou
AAPG Bulletin
... considers normal (hydrostatic) pore-pressure gradient. However, the pore pressure may differ from hydrostatic pressure, especially in the Gulf of Mexico...
2020
Some Indonesia's Giants: Unconventional Hydrodynamic Trap?
Agus M. Ramdhan, Lambok M. Hutasoit, Andang Bachtiar
Indonesian Petroleum Association
.... On the other hand, the pressure-depth plot shows the overpressure value of around 170 psi in Jurassic sand (given the hydrostatic gradient is 0.433 psi/ft...
2012