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The AAPG/Datapages Combined Publications Database
Showing 37,725 Results. Searched 201,044 documents.
Sedimenit Gravity Flows
Gerard Middleton, John B. Southard
Special Publications of SEPM
..., p is the pore pressure, and cx is the angle of internal friction. The quantity ci-p is called the effective normal stress, and is generally the total...
1984
Possible Causes of Velocity Mis-Ties
R. A. Broding
Oklahoma City Geological Society
... the formation and the bore hole hydrostatic pressure of less than 5%, which would result in errors of less than 1%. This value was arrived at from Hicks(4...
1961
Log Evaluation and Wireline Operations In The Delaware Basin
G. F. Horst, D. A. Wilson
West Texas Geological Society
... is the presence of gas in the borehole fluids. As the equipment is lowered into the well and hydrostatic pressure and temperature increase, gas is forced...
1968
Abstract: Models for the Development of Listric Normal Faults and Fault Seals, by J. H. Spang; #90950 (1996).
Search and Discovery.com
1996
Generation, Migration, Accumulation, and Dissipation of Oil in Northern Iraq: Middle East
H. V. Dunnington
AAPG Special Volumes
... gas content must have been lost due to release of hydrostatic pressure. No oil should have remained in the Middle Jurassic sediments after subsequent...
1958
Delaware Basin Horizontal Wolfcamp Case Study: Mitigating H2S and Excessive Water Production Through Isolating Densely Fractured Intervals Correlative to Seismically Mapped Shallow Graben Features in the Delaware Mountain Group
Katarzyna Charzynski, Kristi Faith, Zachary Fenton, Ahmed Shedeed, Michael McKee, Sid Bjorlie, Michael Richardson
Unconventional Resources Technology Conference (URTEC)
... in the AOI. However, the frac gradients directly within the 1500 foot feature were abnormally low. The frac gradient within the low pressure...
2019
Two-Dimensional Modeling of Groundwater Flow in an Evolving Deltaic Environment
David S. Gordon, Peter B. Flemings
Special Publications of SEPM
... in the showtt in pressure is hydrostatic this ratio is approximately 0 513 at the sediment water interface and it decreases with depth because the bulk...
1999
Formation of High Helium Gases: A Guide for Explorationists, #80115 (2010)
Alton A. Brown
Search and Discovery.com
... phase. He in gas and water B 0.1 0.01 Modeled Conditions: Fractionation factor is total pressure/Henry’s constant at 1 km burial, normal pressure, 4...
2010
Gas Storage Capacity of Iljik and Hasandong Shales in Gyongsang Basin, South Korea
Seungmo Kang, Young Jae Shinn, I. Yucel, Akkutlu
Unconventional Resources Technology Conference (URTEC)
... effective stress, Kang et al. (2011). Confining pressure is kept constant and change in pore compressibility is observed due to changes in pore...
2014
Illustrated Summary of Compartments / Pressure Regimes in Selected North American Basins: Part 3—Rocky Mountain Basins, by David E. Powley, #60011 (2007).
Search and Discovery.com
2007
State of stress in areas of active unconventional oil and gas development in North America
Jens-Erik Lund Snee and Mark D. Zoback
AAPG Bulletin
... for two assumed values of PP, hydrostatic pore pressure in the upper panel, and overpressure (PP = 0.85 SV) in the lower panel. Additional information...
2022
ABSTRACT Coupled Fluid-Mechanical Models of Large Scale Delta Instability, #90123 (2011)
Steven Ings, Christopher Beaumont
Search and Discovery.com
... is often associated with pore fluid pressures that significantly exceed hydrostatic levels (e.g., Wu and Bally, 2000). Regions affected by shale...
2011
Diffusion of Fluids Through Porous Media with Implications in Petroleum Geology
G. N. Pandey , M. Rasin Tek , Donald L. Katz
AAPG Bulletin
... flux was reduced to about 22 percent of the normal rate with no pressure differential. Unsteady-state data in Table 5 show that a nitrogen pressure...
1974
Discussion on Low-Cost Drilling Technologies of Normal Pressure Shale Gas in the Outer Margin of the Sichuan Basin
Search and Discovery.com
N/A
Geology and Exploration of Three Bass Strait Basins, Australia
Lewis G. Weeks , Brian M. Hopkins
AAPG Bulletin
... feet thick, and consists largely of highly porous and permeable sandstone. The upper 350 feet contained wet gas under normal hydrostatic pressure...
1967
Artesian Salt Formations
Bailey Willis
AAPG Bulletin
... waters which have ascended, under hydrostatic pressure, at points along lines of structural weakness. Hill had struck a reasonable trail of speculation...
1948
Depths of Oil Origin and Primary Migration: A GEOLOGIST'S DISCUSSION--REPLY
Robert J. Cordell
AAPG Bulletin
... to an appreciably higher elevation. The fluid pressure in the reservoir would be intermediate between the shale-fluid pressure and hydrostatic...
1974
Geology and Development of the Teak Oil Field, Trinidad, West Indies
S. C. Bane, R. R. Chanpong
AAPG Special Volumes
... which traverse Teak field form many separate fault blocks and subpools. Original reservoir pressures exhibited a normal hydrostatic gradient and were...
1980
Normal Geothermal Gradient in United States
C. E. Van Orstrand
AAPG Bulletin
..., Kansas, may retain some of the absorbed heat. In undisturbed areas, however, the gradients are probably at a minimum and represent a normal gradient...
1935
Underbalanced, Horizontal Coal Seam Gas Development in Australia A Case History
Julmar Shaun S. Toralde, Chad H. Wuest
Unconventional Resources Technology Conference (URTEC)
... with formation water as this leaked into the coal seam before sufficient hydrostatic pressure had developed to kill the well. This was also attempted...
2015
Control of mechanical stratigraphy on bed-restricted jointing and normal faulting: Eagle Ford Formation, south-central Texas
David A. Ferrill, Ronald N. McGinnis, Alan P. Morris, Kevin J. Smart, Zachary T. Sickmann, Michael Bentz, Daniel Lehrmann, and Mark A. Evans
AAPG Bulletin
... displacement gradients on normal faults and associated deformation: AAPG Bulletin, v. 98, p. 1161–1184, doi: 10.1306/10311312204. Moustafa, A. R., 1988...
2014
Genetic Significance of Deformed Cross Bedding--With Examples from the Navajo and Weber Sandstones of Utah
T. W. Doe , R. H. Dott, Jr.
Journal of Sedimentary Research (SEPM)
... a special case with some vertical as well as horizontal movement, perhaps due to hydrostatic pressure differences resulting from irregularities...
1980
Effect of Gas-liquid Anomalous Diffusion on Production Behavior and Pressure and Rate Transient Responses in Unconventional Reservoirs
Gizem Yildirim, Erdal Ozkan
Unconventional Resources Technology Conference (URTEC)
... that, unlike normal diffusion, flux at a given point is no longer solely determined by the local and instantaneous pressure gradients; instead, it depends...
2023
Micrologging
R. D. Ford
Tulsa Geological Society
... such logs as that shown on the right of Figure 1. The principle of operation of the MicroLog is based on the premise that differential hydrostatic...
1951
Reinforced Composite Mat Innovative Technology, A Proven Solution for Lost Circulation Control in Duri Field, Sumatera, Indonesia
Mathieu Pasteris, Andre Simanjuntak, Amir Salehpour, Rizky Frima Adista
Indonesian Petroleum Association
... density and a solid content above 50% by volume in order to limit hydrostatic pressure to the minimum while strengthen the wellbore during the cementing...
2013