Abstract: Compartmentation in the Anadarko Basin: Implications for Exploration and Production, by Z. AL-Shaieb; #90957 (1995).

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Reservoir Diagenesis and Convective Fluid Flow: ABSTRACT

J. R. Wood

AAPG Bulletin

...Reservoir Diagenesis and Convective Fluid Flow: ABSTRACT J. R. Wood 1982 644 644 66 5. (May) Pore fluids in reservoir rocks are unstable under normal...

Structure and geomorphology of the Duchesne graben, Uinta basin, Utah, and its enhancement of a hydrocarbon reservoir

Alicia Groeger, Ronald Bruhn

AAPG Bulletin

... in the Wasatch Formation indicated pressure gradients exceeding 12 kPa/m and locally approaching 18 kPa/m, significantly greater than a hydrostatic gradient...

Physics-Driven Optimization of Drained Rock Volume for Multistage Fracturing: Field Example from the Wolfcamp Formation, Midland Basin

Sergei G. Parsegov, Kiran Nandlal, David S. Schechter, Ruud Weijermars

Unconventional Resources Technology Conference (URTEC)

... apparent pore pressure gradient (0.622 psi/ft in our case) multiplied by TVD. b) Adopting a hydrostatic normal hydrostatic gradient 0.44 psi/ft...

Re-Discovering the Gummy Gas Field … Gippsland Basin

Eamonn Montague, Brendan Frears, Mark Browne, Peter Strauss, Stephen Adams, Jeremy Prosser

Australian Petroleum Production & Exploration Association (APPEA) Journal

... of regional pressure depletion due to nearby production from the GBJV fields has improved the understanding of the hydrocarbon columns encountered...

Exploration Ramifications of Subsurface Fluid Migrations in the Lake Borgne-Valentine Area of Southeastern Louisiana

Glen M. Gatenby

GCAGS Transactions

... at the observation point. A value of 0.465 (0.5) is considered normal or hydrostatic, whereas any value greater than 0.7 is defined as geopressured. The lithology...

Variations in Sour Gas Concentrations in the NSB 'A' Field, Offshore North Sumatra

Christopher M. Reaves

Indonesian Petroleum Association

... the most significant attributes associated with H2S occurrence are carbonate reservoir lithology and normal hydrostatic pressure conditions...

Time of Migration of Oil and Gas

William Carruthers Gussow

AAPG Bulletin

... of oil are known in Alberta. By using a normal salt-water pressure gradient of 0.45 psi/ft. to convert saturation pressures to hydrostatic head...

Development of Australia's First Hot Fractured Rock (HFR) Underground Heat Exchanger, Cooper Basin, South Australia

D. Wyborn, L. de Graaf, S. Davidson, S. Hann

Petroleum Exploration Society of Australia (PESA)

... was completed at 4,421 m with overpressures in the fractures exceeding the hydrostatic pressure by over 5,000 psi. The static rock temperature...

Technique of Testing Large Cores of Oil Sands

F. B. Plummer , P. F. Tapp

AAPG Bulletin

.... The hydrostatic head can be changed at will by raising or lowering the copper tank on the rod. The head of fluid, and consequently the pressure...

Abstract: A Re-examination Of The Chalk: From Reservoir To Seal; #90063 (2007)

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Deep-water Niger Delta fold and thrust belt modeled as a critical-taper wedge: The influence of elevated basal fluid pressure on structural styles

Frank Bilotti, John H. Shaw

AAPG Bulletin

.... This formulation removes the effect of the overlying water because the hydrostatic and lithostatic pressure curves are identical in the water column...

Conditions of Formation of Oil and Gas Pools in the Paleozoic Sediments of the Near Saratov Trans-Volga Region

S. P. Maksimov, A. I. Ivanov, V. A. Kirov

Petroleum Geology: A Digest of Russian Literature

... occupied by oil (135-5 = 130 million m3). In order to accomodate a quantity of gas occupied by a volume of 18.5 billion m3 at normal pressure...

Seal Failure Related to Basin-scale Processes

Christian Hermanrud, Hege M. Nordgrd Bols, Gunn M. G. Teige

AAPG Special Volumes

... to the irreducible water at the top of the reservoir through an (almost) hydrostatic pressure gradient. Such a pressure gradient will be present when the wetting...

Oil and Gas Accumulations of the Offshore Barrow and Exmouth Sub-Basins - Trends in Hydrocarbon Habitat

M. L. Zaunbrecher

Petroleum Exploration Society of Australia (PESA)

... (hydrostatic) pressure gradient at this depth was 1.42 psi/m, indicating the zone was significantly overpressured with gas. DEPTH(m) 0 BAMBRA- 1...

Implications of Accurate Geomechanical Modelling and Systematic Core Testing for Sanding Evaluation and Sand Control Decisions - A Case Study from Perth Basin

Sadegh Asadi, Abbas Khaksar, Mark Fabian, Roger Xiang, David N. Dewhurst, Claudio Delle Piane

Australian Petroleum Production & Exploration Association (APPEA) Journal

... low sanding risks under both initial and depleted pressure conditions. However, the revised sanding evaluation calibrated with well test observations...

ABSTRACT: Small Displacement Normal Faults as Barriers to Fluid Flow in the Complexly Faulted Anticline of the Wilmington Field, by P. A. Teas and J. Thornburg; #91019 (1996)

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Notes on Hydrocarbon Trapping Mechanism in the Aru Area, North Sumatra

Mulhadiono, Marinoadi

Indonesian Petroleum Association

... (1975). In developing the method, it was assumed that the average normal hydrostatic gradient is 0.465 psi/ft and average geostatic gradient is 1.0 psi...

Intact and Shear Reactivation Strength of Eagle Ford and Woodford Shales From Multistage Triaxial Testing

Tito Henao, Carl H. Sondergeld, Chandra S. Rai

Unconventional Resources Technology Conference (URTEC)

... testing at a confining pressure of 500 psi. These results are consistent with Byerlee's friction law at low normal stress (<200 MPa) but are greater than...

Determining Static Elastic Anisotropy in Shales from Sidewall Cores: Impact on Stress Prediction and Hydraulic Fracture Modeling

Brian Crawford, Yueming Liang, Philippe Gaillot, Kelvin Amalokwu, Xianyun Wu, Robert Valdez

Unconventional Resources Technology Conference (URTEC)

... increase in axial stress and confining pressure along the hydrostatic compression line (the “hydrostat”); (2) ramp in axial stress (incremental increase...

Mechanisms of shale gas storage: Implications for shale gas exploration in China

Fang Hao, Huayao Zou, Yongchao Lu

AAPG Bulletin

... of organic-rich shales increases with increasing pressure and decreases with increasing temperature. Under geologic conditions (assuming hydrostatic...

Progress of A Horizontal Well in a Mature Steamflood Project: Kern River Field, CA

K. L. Haney

Pacific Section of AAPG

.../condensation zone, indicating the static fluid level at ~1057′. Assuming a reservoir pressure due only to hydrostatic head, this static fluid level...

ABSTRACT: Laboratory Study of Effects of Shear Stress on Fracture Permeability, by Jeffrey Linscott and D. W. Stearns; #91043 (2011)

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Geology of Venture, a Geopressured Gas Field, Offshore Nova Scotia: Chapter 5

Kenneth J. Drummond

AAPG Special Volumes

... Geopressure is the preservation of a pore-fluid pressure that is greater than that of normal hydrostatic pressure, or hydropressure. A necessary prerequisite...

Measuring Volumes of Sedimentary Grains

Mounir T. Moussa

Journal of Sedimentary Research (SEPM)

... sediment grains or fossils the hydrostatic weighing method based on Archimedes' principle is the simplest, and probably the most accurate method...