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The AAPG/Datapages Combined Publications Database
Showing 37,688 Results. Searched 200,674 documents.
Geology of Jonah Field, Sublette County, Wyoming
D. P. DuBois, P. J. Wynne, T. M. Smagala, J. L. Johnson, K. D. Engler, B. C. McBride
AAPG Special Volumes
... increases by about 1 psi/ft of depth or more than twice the normal hydrostatic gradient. Pressure data suggest that migration of hydrocarbons...
2004
Similarities of Overpressuring in Some of Western Indonesias Sedimentary Basins
Lambok M. Hutasoit, Agus M. Ramdhan
Indonesian Petroleum Association
... in the study area possesses low overpressure to normal hydrostatic pressure regime. We suggest that this is caused by the presence of good porosity...
2014
Three-Dimensional Seismic Reconstruction of the Anisotropic Tectonic Stress for Cap-Rock Integrity in the Athabasca Oil Sands, Alberta, Canada
Search and Discovery.com
N/A
RELATIONSHIP OF TEMPERATURE TO RESERVOIR QUALITY FOR FELDSPATHIC SANDSTONES OF SOUTHERN CALIFORNIA
S. A. DIXON and D. W. KIRKLAND
Fort Worth Geological Society
... within the range considered normal: in the deep central trough of the onshore Ventura basin, fluid pressure gradients are generally not much greater...
1985
Fluid Flow, Water Chemistry, Gas Chemistry and Diagenesis in the Subsurface Triassic in Alberta and British Columbia
Dirk Kirste, Steven Desrocher, Brad Spence, Bill Hoyne, Brian Tsang, Ian Hutcheon
CSPG Bulletin
... gradients tend to be in the easternmost part of the study area. End_Page 745------------------------ pressure and elevation data derived from DSTs...
1997
Seismic Evidence for Widespread Possible Gas Hydrate Horizons on Continental Slopes and Rises
Thomas H. Shipley, Mark H. Houston, Richard T. Buffler, F. Jeanne Shaub, Kenneth J. McMillen, John W. Ladd, J. Lamar Worzel
AAPG Bulletin
... in areas of hydrate formation. Pressure gradients are easily estimated from the combination of hydrostatic and lithostatic gradients. The seafloor...
1979
Migration and Entrapment of Petroleum in Two-Fluid-Phase Systems
Dr. H. D. Windland
New Orleans Geological Society
... or the pressure gradients of the fluids (hydrostatic pressure exerted per foot of column). Pressure gradients for formation waters may range from 0.433 psi...
1974
ABSTRACT: The Response of Shale Ultrasonic Properties to Stress Path, Stress State and Pore Pressure, by Dave Dewhurst, Tony Siggins, Bailin Wu, and Kevin Dodds; #90913(2000).
Search and Discovery.com
2000
Evidence for overpressure generation by kerogen-to-gas maturation in the northern Malay Basin
Mark R. P. Tingay, Chris K. Morley, Andrew Laird, Orapan Limpornpipat, Kanjana Krisadasima, Suwit Pabchanda, Hamish R. Macintyre
AAPG Bulletin
...-fluid pressure that is in excess of the hydrostatic pressure (the normal fluid pressure in the subsurface), which is typically 9.85 MPa/km (0.435 psi/ft...
2013
Deposition of Evaporites
P. C. Scruton
AAPG Bulletin
... evaporation over precipitation plus runoff exist, a slope of the water surface develops causing a basinward flow of sea water due to hydrostatic pressure...
1953
Subsurface Temperature Distributions in South Texas
Deborah S. Pfeiffer , John M. Sharp, Jr.
GCAGS Transactions
..., gradients may approach the lithostatic pressure gradient (approximately 1.0 psi/ft or 22.6 kPa/m). This increase in pressure above hydrostatic is called...
1989
Front Matter - Typical Oil & Gas Fields of Southwestern Louisiana: Volume II
Lafayette Geological Society
... water drive accounting for the high recovery factors; however, depletion reservoirs are common. Reservoir pressure gradients range from a normal...
1970
Front Matter - Typical Oil & Gas Fields of Southwestern Louisiana: Volume III
Lafayette Geological Society
...; however, depletion reservoirs are common. Reservoir pressure gradients range from a normal, hydrostatic .465 pounds per foot in the sand and sand-shale...
1989
The Use of Seismic Data in Predicting the Abnormal High Pressure Zone for Exploration Drilling in Pertamina Unit E.P. III Working Area
Basuki Puspoputro
Indonesian Petroleum Association
... is the prediction of the formation pressure which, in a certain degree, will lead to the mud weight and casing design. A normal formation pressure...
1983
Porosity Reduction in Sandstone by Quartz Overgrowth
Frederic Leder, Won C. Park
AAPG Bulletin
... gradients), normal burial rates range from 20 to 50 m/m.y. Assuming geothermal gradients of 27.5°C/km (1.5°F/100 ft) and no early diagenetic carbonate...
1986
Regional Pressure Patterns as Evidence for Fractured Reservoirs in the Bowdoin and Phillips Sandstones on Bowdoin Dome, Montana
George W. Shurr, Frederick D. Wosick, Dudley D. Rice
Montana Geological Society
... gradients are slightly less than a normal hydrostatic gradient of .43 psi/ft (9.7 kPa/m...
1993
Quantitative Assessment of Regional Siliciclastic Top-Seal Potential: a new application of proven technology in frontier and maturing South American basins
J. A. Deckelman, S. Lou, P. S. D’onfro, R. W. Lahann
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... and hydrostatic pressure gradients, by estimating effective stress, and then subtracting effective stress from lithostatic pressure (Fig. 5). Lithostatic...
2003
6.0 Comments on Previous Chapters
P. E. Gretener
AAPG Special Volumes
... on a gimbal system. This little plate is capable of recording normal pressure acting across the plate () as well as shear stresses acting parallel to the plate...
1981
Laboratory Investigation of Fluid Flow and Permeability Evolution Through Shale Fractures
Zhi Ye, Michael Janis, Ahmad Ghassemi, Spencer Riley
Unconventional Resources Technology Conference (URTEC)
... hydrostatic condition was calculated by , The plots of flow rate (Q) versus effective confining pressure ( , ) are shown in Figure 8. Similarly, flow rates...
2017
A Porosity Based Pore Pressure Estimation in an Indonesian Carbonate Reservoir
Sunawar Kunaifi, Krishna Pratama Laya, Sarvagya Parashar, Luqman, Banu Andhika
Indonesian Petroleum Association
... (Eq. 4) = Gravitational Constant = Bulk density logs values A comprehensive understanding of hydrostatic pressure or normal pore pressure is crucial...
2024
Megacompartment Complex in the Anadarko Basin: A Completely Sealed Overpressured Phenomenon
Zuhair Al-Shaieb, James O. Puckette, Azhari A. Abdalla, and Patrick B. Ely
AAPG Special Volumes
... this complex exhibit pressure gradients that exceed the normal gradient of 10.515 kPa/m (0.465 psi/ft). These reservoirs have produced large quantities...
1994
3D Pore Pressure Prediction Model in Bentu Block Central Sumatra Basin
Wawan A. Behaki, Aldyth Sukapradja, Ronald C. Siregar, Radig Wisnu Y, Setiabudi Djaelani, Benny A. Sjafwan
Indonesian Petroleum Association
... compaction trend uses the ITT of compressional sonic waves through the shale. In zones of normal hydrostatic pressure, an ITT curve vs. depth...
2012
Role of Thermal Parameters in Modelling Fracture Gradient and Overpressure Mechanism in Southern Part of West Baram Delta, Sarawak, Malaysia, #42305 (2018).
Wan Ismail Wan Yusoff, Wan Nur Athirah W Abd Muhaimi, Kurniawan Adha, Nurhajeerah Mhd Hanapiah,
Search and Discovery.com
..., to determine overpressure mechanisms, fracture gradients, and pore pressure and temperature gradients. The West Baram Delta, which was influenced by both...
2018
Some "Quick-Look" and Wellsite Applications of Wireline Formation Testing Tools with Emphasis on Permeability Indicators as an Aid to Choosing Net Pay Discriminators
P. Cooke-Yarborough
Indonesian Petroleum Association
... is seen as a useful supplement to some of the powerful roles of the tool, such as: establishing formation pressures, pressure gradients and fluid contact...
1984