Hydrodynamic stagnation zones: A new play concept for the Llanos Basin, Colombia

Mark Person, David Butler, Carl W. Gable, Tomas Villamil, David Wavrek, Daniel Schelling

AAPG Bulletin

... the hydrostatic pressure gradient line (by 400 psi [2.7 MPa] relative to the land surface; Figure 3E). The subhydrostatic pressures are associated...

Ground-Water Circulation in the Western Paradox Basin, Utah

John W. Thackston, Bryan L. McCulley, Lynne M. Preslo

Rocky Mountain Association of Geologists

... s i m i l a r i t i e s t h a t i n d i c a t e a s i n g l e hydrostratigraphic unit. At well GD-I the hydrostatic pressure gradient through...

Hydrocarbon Production, Surface Subsidence, and Land Loss in Louisiana

Byron Miller

GCAGS Transactions

... points which deviate over time from original or hydrostatic pressure will plot in a vertical orientation at the same depth. Hydrostatic pressures...

ABSTRACT: Preliminary Results of Artificial Maturation Experiments on a Subbituminous Wilcox Coal

Paul C. Hackley, Frank T. Dulong, Brett J. Valentine

The Society for Organic Petrology (TSOP)

...’ with equivalent hydrostatic pressure of ~2,500’ psi. The starting material and 3 experimental products were characterized via many analytical techniques including...

Formation of Oil and Gas Pools and Methods for Exploration for them in the Southern Regions of the Siberian Platform

A. S. Antsiferov

Petroleum Geology: A Digest of Russian Literature

... in the sub-salt oil-gas-bearing strata is close to normal hydrostatic pressure or somewhat below it. The young age of the pools is not contradicted by the fact...

Abstract: Application of Geomechanics-Based Restoration in the Analysis of Growth Dynamics in Fold-Thrust Structures, by Subho Banerjee and Sankar K. Muhuri; #90124 (2011)

Search and Discovery.com

ABSTRACT: CHOPS Experience in Argentina, Application in the Development of the Rio Colorado Shallow Heavy Oil Belt, Neuquén Basin; #90108 (2010)

Martin Cevallos, Christian Rojas, and Paponi Hernán

Search and Discovery.com

..., representing 50% of the hydrostatic estimates from ground level. Dissolved gas is CH4 and CO2, with Rs lower than 10. Bubble-point pressure (180-280 psi...

ABSTRACT: DECOMPRESSION OF ROCKS AS A RESULT OF FLUIDS OPERATING UNDER HIGH PRESSURE IN THE EARTHS CRUST; #90011 (2002)

A. А. Orlov, V. G. Omelchenko, A. M. Karpenko, M. V. Lakhy, A. M. Trubenko

Search and Discovery.com

... compression; 2 - real compression; 3 - normal hydrostatic pressure in deposits; 4 – abnormality of pressure in depositions, which are determined...

Retrofit Gas Lift System, Unconventional Method to Maximize Hydrocarbon Recovery

Afif, Djabaruddin, Kurniawan Purwoko, Eko Andriyanto, Sylvia Yusim

Indonesian Petroleum Association

... greater hydrostatic pressure which gradually reduced the ability of the well to flow until some point it loaded up and died. Well re-activation...

The effects of salt evolution, structural development, and fault propagation on Late Mesozoic-Cenozoic oil migration: A two-dimensional fluid-flow study along a megaregional profile in the northern Gulf of Mexico Basin

S. Cheree Stover, Shemin Ge, Paul Weimer, Barry C. McBride

AAPG Bulletin

... to this 2-D forward model is the calculation of excess pressure or pressure in excess of hydrostatic. Incorporation of such pressure development...

The Tiwi Geothermal Reservoir: Geologic Characteristics and Response to Production

J.R. Hoagland, J.M. Bodell

Circum Pacific Council Publications

...%. Initial temperatures in commercially productive horizons ranged from 235-310°C (Figure 4) and the measured pressure gradient was 7.2 bars/100 m. Semi...

Evaluation of the Dieng Geothermal Field; Review of Development Strategy

M. Boedihardi, Suranto, S. Sudarman

Indonesian Petroleum Association

... gradient of 63.2 bars/km is estimated from this figure which is close to the hydrostatic gradient of water at an average reservoir temperature of 280°C...

Machine Learning Prediction for Fluid Identification in Kujung Formation East Java

Freddy Calvin Bryan, Violita Indrayani Putri, Ardian Nengkoda, Andy Noorsaman Sommeng, Sutrasno Kartohardjono

Indonesian Petroleum Association

... formation, therefore formation pressure was still influenced by hydrostatic pressure from drilling mud. After machine learning modelling using algorithms...

Geochemical characterization of natural gas: A physical multivariable approach and its applications in maturity and migration estimates: Reply

Alain Prinzhofer, Marcio Rocha Mello, Tikae Takaki

AAPG Bulletin

... in a porous medium. A saturation curve for methane is shown in Figure 1 for a completely hydrostatic column and a thermal gradient of 40 degreesC/km...

Shale Gas Reservoir Characterization Workflows; #41266 (2014)

Satinder Chopra, Ritesh Sharma, and Kurt Marfurt

Search and Discovery.com

... thickness. - Pressure: areas of higher pressure are identified as they have higher gas concentration. (0.433 psi per foot: normal hydrostatic gradient...

Abstract: Geological Sequestration Capacity in the Cambrian Mt Simon Sandstone; Assessment and Feasibility in the Michigan Basin, USA, by D. A. Barnes, S. Kelly, and D. H. Bacon; #90090 (2009).

Search and Discovery.com

Use of outcrop observations, geostatistical analysis, and flow simulation to investigate structural controls on secondary hydrocarbon migration in the Anacacho Limestone, Uvalde, Texas

Christopher E. Wilson, Atilla Aydin, Louis J. Durlofsky, Alexandre Boucher, Darrell T. Brownlow

AAPG Bulletin

... on a typical hydrostatic gradient of 9.95 MPa/km (0.440 psi/ft) (Zoback, 2007). The values were then slightly adjusted in a manner that created a pressure...

Reservoir simulation of charge history over geologic time matches many measurements of connectivity in stacked turbidite reservoirs

Tarek S. Mohamed, Morten Kristensen, Carlos Torres-Verdín, Oliver C. Mullins

International Meeting for Applied Geoscience and Energy (IMAGE)

... under the pinchout in the upper sandstone. Likewise, the baffle affects the pressure gradients which respond to complex fluid gradients leading...

The critical evaluation of carbon dioxide subsurface storage sites: Geological challenges in the depleted fields of Liverpool Bay

Lauren Chedburn, John R. Underhill, Sam Head, and Rachel Jamieson

AAPG Bulletin

... and temperature conditions both at surface and in the subsurface. Assuming hydrostatic pressure and a typical geothermal gradient (∼25°C km−1...

Malossa Field--Italy Po Basin

L. Mattavelli, V. Margarucci

AAPG Special Volumes

... series, the pressure gradient then decreases downward, tending toward the hydrostatic one. For further detailed information on the origin...

A Simple Geological Model for Geothermal Systems in the Central Range of Taiwan

Chao-Hsia Chen

Circum Pacific Council Publications

... that result partly from the high partial pressure of carbon dioxide a n d partly from the high hydrostatic pressure caused by high topographic relief...

Top Seal Character and Sequence Stratigraphy of Selected Marine Shales in Gulf Coast Style Basins

William C. Dawson and William R. Almon

GCAGS Transactions

.... Reservoir pressure was estimated using a regional hydrostatic pressure gradient of 0.447 psi/ft. Formation water properties are based on an a saturated...

Low-Taper Intercutaneous Wedges: A Model for Opposing Shear Senses on Coeval, Subparallel Shears

Jacqueline Windh

CSPG Bulletin

... that are higher than the hydrostatic pressure for a given depth have been defined as "abnormal pressures" (Hubbert and Rubey, 1959; Fertl, 1976; Fertl et al...

Geological Application of Bottom-Hole Pressures

C. V. Millikan

AAPG Bulletin

... assigned as a cause of reservoir pressure when it is of little effect. The pressure due to hydraulic head can be no more than the hydrostatic head End...

Visualizing Fracture-Matrix Fluid Exchange in Unconventional Tight Mudstone

John J. Valenza, Johnathan Moore, Sean Sanguinito, Dustin Crandall

Unconventional Resources Technology Conference (URTEC)

... sleeve isolates the sample from the water used to impose hydrostatic confining stress, while also permitting independent control of the pore pressure...