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The AAPG/Datapages Combined Publications Database
Showing 3,929 Results. Searched 200,357 documents.
APPLICATION OF FORMATION TESTING TO HYDRODYNAMIC STUDIES
Dr. H. K. van Poollen, Sam J. Bateman
Williston Basin Symposium
.... These assumptions will only hold in their entirety if a hydrostatic condition exists in the formation. Under hydrodynamic conditions, i.e....
1958
Using Simple Loading Models to Predicted Crestal Pore Pressures in Miocene Carbonate Exploration Targets, Luconia, Sarawak
Jakob Heller, Don Basuki, Matthew Choo, Stephen O ‘Connor, Richard Swarbrick
Indonesian Petroleum Association
..., the pore pressure varies along a hydrostatic parallel gradient. In the surrounding shales, the pore pressure increases parallel to the overburden...
2014
Multiphase Systems, Overpressure and Migration
Lloyd R. Snowdon
CSPG Bulletin
... be expected to be balanced by a decrease in the fluid flow rate and simultaneous increase in the pressure gradient. The simple algebra of Darcy's Law...
1995
Formation Temperature and Formation Pressure Affect the Oil and Gas Distribution in Tertiary Gulf Coast Sediments
Walter H. Fertl , W. G. Leach
GCAGS Transactions
... quantitatively in a plot of cumulative oil and gas production (percent of total) found below the indicated mud weight or pressure gradient (Fig. 6). Note...
1990
Hydrodynamics and Overpressuring in the Jeanne D'Arc Basin, Offshore Newfoundland, Canada: Possible Implications for Hydrocarbon Exploration
A. L. Rogers, N. A. Yassir
CSPG Bulletin
... flow acts to reduce the pressure gradient to a value less than the density (hydrostatic) gradient (e.g., 10.0 kPa/m for a 10.5 kPa/m density gradient...
1993
Abstract: Intergranular Pressure Solution During the Diagenesis of Sandstone: Conditions and Controlling Factors, by Wenwu He, David Sparks, and Andrew Hajash; #90124 (2011)
Search and Discovery.com
2011
Use of Overpressure Data to Assess Oil-Gas Potential of Northern Areas of Timan-Pechora Province
V. Ye. Aronson, V. I. Slavin, Ye. M. Smirnova, G. I. Fenin
Petroleum Geology: A Digest of Russian Literature
... zones as well as in Kos’yu-Rogov depression. In most areas the upper part of the section exhibited normal hydrostatic pressure, and overpressure...
2001
Abstract: Production-Induced Changes in Reservoir Stress State: Applications to Reservoir Management, by L. W. Teufel; #90987 (1993).
Search and Discovery.com
1993
Subsurface Water Flow Patterns in the Canadian Sector of the Williston Basin
Norbert Hannon
Rocky Mountain Association of Geologists
... southeastwardfrom Regina to the U. S. border. PS = P ~ AWfDg where Pis formation pressure (in psi), A Wis the subsurface water gradient (in psilft...
1987
Impact of Steam Injection on Stress Regime and Geomechanical Model at Northern Durifield
Fitra Adlan, Aris Samadya
Indonesian Petroleum Association
... and range from 0.41 psi/ft to 0.60 psi/ft for poor drainage areas (Figure 2). The under pressure condition (below hydrostatic gradient of 0.43 psi/ft) seen...
2011
Workflow for Pore Pressure and Horizontal Stress Field Estimation in Vertical Wells Using Well Data in the X Field in South Sumatra
Mohammad Zulfikar Simatupang, Bonar Tua Halomoan Marbun, Ramadhana Aristya, Niko Pratama Purba
Indonesian Petroleum Association
... pressure estimation and Matthews & Kelly for fracture gradient estimation which was then fine-tuned with formation integrity test results. No leak off...
2013
Calculated Volume and Pressure Changes During the Thermal Cracking of Oil to Gas in Reservoirs (1)
COLIN BARKER
AAPG Bulletin
... must occur causing pressure b eed off and loss of gas. The lithostatic gradient (1.0 psi/ft or 22.6 kPa/m) is reached after only about 1.0% of the oil...
1990
Casing Design in Relation to Blowout Prevention and Well Control in the Cooper Basin, South Australia
K. B. English
Petroleum Exploration Society of Australia (PESA)
..., profile 2 (Fig. 1) describes the pressure depth relationship for the same reservoir but at an overpressured hydrostatic gradient of 15 kPa/m (12.75...
1989
A Method of Estimating Formation Pressures from Gulf Coast Well Logs
Harold H. Ham
GCAGS Transactions
.... This gradient corresponds with the hydrostatic pressure resulting from a column of fluid weighing 9.0 lb. per gallon. Thus, as long as Gulf Coast pressures...
1966
TEMPERATURE AND PRESSURE CONTROLS ON THE FRACTURED DEVONIAN SHALE GAS PLAY OF THE APPALACHIAN BASIN*
Terence Hamilton-Smith, Kentucky Geological Survey, Lexington, Kentucky
Ohio Geological Society
... with respect to the hydrostatic gradient. Reservoir pressure drawdown during production results in release of abundant gas...
1994
Gas saturation and CO2 enhancement potential of coalbed methane reservoirs as a function of depth
Yves Gensterblum, Alexej Merkel, Andreas Busch, Bernhard M. Krooss, Ralf Littke
AAPG Bulletin
... the corresponding Langmuir parameters in combination with a geothermal gradient of 0.03 K/m and a normal hydrostatic pressure gradient. Taking the gas...
2014
Lateral Fluid Flow in a Compacting Sand-Shale Sequence: South Caspian Basin
John D. Bredehoeft , Rashid D. Djevanshir , Kenneth R. Belitz
AAPG Bulletin
... in the world are known to contain fluid pressures significantly in excess of hydrostatic pressure. This condition is known by various names: "geopressure...
1988
Subsurface Fluid Pressures from Drill-Stem Tests, Uinta Basin, Utah
Phillip H. Nelson
Rocky Mountain Association of Geologists
... fielcl at clepths langlng from 30,000 to 13,000 St: eclui\ulent to 5,000 to 8,000 St belo\v sea level. Limitecl data ~ncllcate that the pressure gradient...
2002
Pressures, Seals and Traps; #42356 (2019)
J. J. Biteau
Search and Discovery.com
... can be deformed, and when tight have no measurable pressure. Pressure is normal when hydrostatic, and abnormal when overpressure is developed...
2019
Overpressuring in the Kutei Basin: Distribution, Origins and Implications for the Petroleum System
John A. Bates
Indonesian Petroleum Association
... formations whose pore pressure exceeds that of a normal hydrostatic gradient, i.e. 0.433 psi/ft for fresh water, 0.45 psi/ft for saline waters...
1996
Effect of Hydrodynamic Conditions on Oil and Gas Pools
Yu. P. Gattenberger
Petroleum Geology: A Digest of Russian Literature
... are characteristic for foothills-plains and intermontane basins, where subsurface waters have a low specific gravity and high pressure gradient. Further...
1973
Coal reservoir saturation: Impact of temperature and pressure
Amanda M. M. Bustin, R. Marc Bustin
AAPG Bulletin
... to 550 m (3300 to 1800 ft) under a hydrostatic pressure gradient and a geothermal gradient of 4C/100 m (11.95F/100 ft), and the sorption capacity...
2008
Experimental Study of the Compaction of Phyllosilicate-Bearing Sand at Elevated Temperature and with Controlled Pore Water Pressure
E.H. Rutter, P.H. Wanten
Journal of Sedimentary Research (SEPM)
... to the evolution of pore fluid pressure and relatively less to temperature gradient and burial rate. There is reasonable qualitative agreement when compared...
2000
Porosity Reduction in Sandstone by Quartz Overgrowth: DISCUSSION
Jeffrey S. Hanor
AAPG Bulletin
... velocity v is given "... by Darcy's law, EQUATION (1) where K is permeability, ^ngr is fluid viscosity, and dP/dL is the pressure gradient across...
1988