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The AAPG/Datapages Combined Publications Database
Showing 3,937 Results. Searched 200,693 documents.
Distribution of Anomalously High Formation Pressures in the Black Sea-Crimean Oil-Gas Region
R. M. Novosiletskiy, O. M. Ozernyy
Petroleum Geology: A Digest of Russian Literature
... pressure in the oil pool of the Serebryan area is 2 mpa below the hydrostatic pressure. In the Indolo-Kuban downwarp (Kerchen Peninsula) thickness...
1985
Fibrous Calcite Veins, Overpressures, and Primary Oil Migration: GEOLOGIC NOTE
Robert Stoneley
AAPG Bulletin
... of the overburden, and its pressure therefore exceeds normal hydrostatic pressure. Overpressuring is transitory. Over long periods of time, which may...
1983
Petroleum Geology of Southern Iraq
M. W. Ibrahim
AAPG Bulletin
...------------------------------ [EQUATION] mud-pressure formula (Kumar, 1977): EQUATION (1) where P = hydrostatic pressure, Wt = mud weight in lb/gal, and D...
1983
Natural Gas Hydrates of the Offshore Circum-Pacific Margin--A Future Energy Resource?
Keith A. Kvenvolden, Alan K. Cooper
Circum Pacific Council Publications
...-hydrostatic pressure gradient of 0.1 atm/ m. The diagram is useful for predicting depths and temperatures at which gas hydrates should occur (modified...
1986
A New Approach to Shale Compaction and Stratigraphic Restoration, Beaufort-Mackenzie Basin and Mackenzie Corridor, Northern Canada (1)
D. R. ISSLER
AAPG Bulletin
...). The hydrostatic pressure gradient (0.01052 MPa/m) has been maximized by assuming the pore fluid is a brine (TDS = 80,000 mg/L). There is a strong...
1992
Cavity Stress-Relief Method for Recovering Methane from Coal Seams
Denes Masszi
Rocky Mountain Association of Geologists
... m) below the lowermost coal. A pump is installed there to remove the water. Pumping the water reduces the hydrostatic pressure on the coal, allowing...
1991
Calibration, Repeatability and Interpretation of In-Situ Tectonic Stress Measurement From Wireline Straddle Packer MicroFrac Testing: Case Study of an Onshore Field in the UAE
Search and Discovery.com
N/A
Diagenetic Clay Mineral Composition as a Function of Pressure, Temperature, and Chemical Activity
B. Velde, E. Nicot
Journal of Sedimentary Research (SEPM)
... on clay-mineral solid-solution series such as the illite/smectite mixed-layer clay but also those of pressure (lithostatic versus hydrostatic) and aqueous...
1985
Hydrodynamics of Denver Basin: Explanation of Subnormal Fluid Pressures
Kenneth Belitz, John D. Bredehoeft
AAPG Bulletin
... in the well is exactly at the land surface and if the formation fluid is fresh water, then the corresponding fluid pressure gradient is hydrostatic...
1988
Diagenesis of the Keg River Formation, Northwestern Alberta: Fluid Inclusion Evidence
K.L Aulstead,, R.J. Spencer
CSPG Bulletin
.... 1971. The effect of salinity on the maximum thermal gradient of a hydrothermal system at hydrostatic pressure. Economic Geology, v. 66, p. 940-946...
1985
Reevaluation of Montmorillonite Dehydration as Cause of Abnormal Pressure and Hydrocarbon Migration
Kinji Magara
AAPG Bulletin
...). As already mentioned, shale porosity in abnormal-pressure zones is abnormally high; consequently the geothermal gradient also is abnormally high. Where...
1975
Analysis of the Dampier Basin Petroleum Systems Using Integrated 2D Modelling Techniques
Alwyn Vear
Indonesian Petroleum Association
... 1,500 psi above hydrostatic. A normal gradient down to the Tithonian or deeper will be noted in areas where the Muderong is absent (eg. over the Goodwyn...
1997
Permian Basin Seismicity: Looking Backwards, Moving Forwards, #11082 (2018).
Diane Doser, Mark Baker
Search and Discovery.com
... consistent with the observed self-fracture pressure gradient. Permian Basin Seismicity: Looking Backwards, Moving Forwards Diane Doser, University...
2018
Optimizing Permanent CO2 Sequestration in Brine Aquifers: Example from the Upper Frio, Gulf of Mexico
Mark H. Holtz
AAPG Special Volumes
... decreases the risk of surface leakage and increases the pressure differential between hydrostatic and lithostatic so that higher injection pressures...
2009
AAPG/Datapages Discovery Series No. 7, Multidimensional Basin Modeling, Chapter 3: Modeling of Secondary Petroleum Migration Using Invasion Percolation Techniques
Daniel J. Carruthers
AAPG Special Volumes
...) is calculated by assuming that the invading fluid (oil) is in constant pressure communication with the source inlet.They noted that as the gradient (g...
2003
Two-Dimensional Modeling of Groundwater Flow in an Evolving Deltaic Environment
David S. Gordon, Peter B. Flemings
Special Publications of SEPM
... y fluid pres sure gradient is the pore pressure divided by the overburdett stress Pres sures in the sands are approximately hydrostatic pressures...
1999
Absorbing Horizons - Possible Oil-Gas Targets
A. V. Ovcharenko
Petroleum Geology: A Digest of Russian Literature
... is explained by the absorption causing a drop in the mud column and consequently a decrease in the hydrostatic pressure on the stratum. Conditions...
1979
Hydrogeologic Characteristics of the Lower Cretaceous Oil-Gas-Bearing Sediments of the Yenisey-Khatanga Downwarp
A. A. Kartsev
Petroleum Geology: A Digest of Russian Literature
... in the axial part of the downwarp. Pressure also increases from east to west. See Fig. 3. The ratio of formation pressure to hydrostatic ranges from 0.8...
1991
Hydrotectonic Models of Burial Diagenesis in Platform Carbonates Based on Formation Water Geochemistry in North American Sedimentary Basins
Ezat Heydari
Special Publications of SEPM
....-Typical variations in hydrostatic (100 barslkm) and lithostatic FIG 4 variations in hydrostatic 100 bars and lithostatic km Typical pressure (280...
1997
The Effect of NOB to Porosity and Permeability in Turbidite Deep Water Reservoir Rock
C. Sugama, N. A. Atmajasetiadi, D. H. Putranto
Indonesian Petroleum Association
... = Water gradient, psi/ft = Rock gradient, psi/ft Pressure different, psi Effective confining stress, psi Porosity reference, frcation Horizontal...
2011
Methodology for Capacity Estimation for Waste Disposal and Carbon Management, #80648 (2018).
Yevhen Holubnyak, Tiraz Birdie, Tandis S. Bidgoli, Jennifer Hollenbach
Search and Discovery.com
... above injection zones, hydrostatic in-situ head and fracture gradient of target formation, and others. The resulting product is a detailed areal map where...
2018
Criteria for Assessing Regional Oil-Gas Prospects of Jurassic Rocks of Shaim Area
M. Yu. Zubkov, P. K. Pastuk, M. F. Pecherkin
Petroleum Geology: A Digest of Russian Literature
... hydrostatic pressure, MPa; 2-fields: 1-Trekhozer, 9-Ubin, 11-Mul’ym’in, 12-Severo-Danilov, 13-Lazarev, 14-Filippov, 15-Lovin, 16-Shushmin, 17-Yakhlin...
2004
Integrated charge and seal assessment in the Monagas fold and thrust belt of Venezuela
Martin Neumaier, Ralf Littke, Thomas Hantschel, Laurent Maerten, Jean-Pierre Joonnekindt, and Peter Kukla
AAPG Bulletin
... of abnormal pressure (overpressure), hydrostatic decompaction overestimates the effective stress, or underestimates porosity, and might fail to the same...
2014
Predicting Pore Pressure in Carbonates: A Review; #41830 (2016)
Sam Green, Stephen A. O'Connor, Alexander P. Edwards
Search and Discovery.com
... model pore pressure. Simple assumptions about rates of deposition, geothermal gradient, hiatus duration, and published data on permeability...
2016
Finding Bypassed Oil in a Mature Field -- Casabe Field, Middle Magdalena Valley Basin, Colombia.
J. Peralta-Vargas, G. Cortes, W. Gambaretto, L. Martinez Uribe, F. Escobar, M. Markley, A. Mesa Cardenas, A. Suter, L. Marquez, M. Dederle, E. Lozano G.
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... showing pressure data, oil-normal gradient and hydrostatic pressure. Abnormal pressures data are identified close to faults. Nuclear Magnetic Resonance...
2009