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The AAPG/Datapages Combined Publications Database
Showing 3,937 Results. Searched 200,621 documents.
Ground-Water in the Milford Area, Utah
R. W. Mower, R. M. Cordova
Utah Geological Association
... in the pipeline is due to subsidence. Diameter of discharge pipe is 8 inches. Photographed October 5, 1972. When the hydrostatic pressure is reduced by withdrawing...
1973
Minimum Saturations and Buoyancy in Secondary Migration
L. M. Hirsch, A. H. Thompson
AAPG Bulletin
... with high-density fluid is injected from below by a low-density nonwetting fluid, the hydrostatic pressure adds to the injection pressure and creates...
1995
Liner Hanger Installation in Challenging Offshore Well Conditions, #42003 (2017).
David Luna, Roberto Elizalde, Wantuadi Diwaku
Search and Discovery.com
... the element; thus, as the liner system is lowered into the wellbore, the hydrostatic pressure acts to simply vacuum it to the liner-top packer mandrel...
2017
Prediction of Porosity in Compacted Sands
Jon Gluyas,, Christopher A. Cade
AAPG Special Volumes
... pressure must be closely controlled to reflect hydrostatic fluid pressure increase during burial. A triaxial test apparatus was used for the laboratory...
1997
Accumulation of Oil and Gas in Limestone: Part III. Migration and Accumulation of Petroleum
W. V. Howard
AAPG Special Volumes
...: It is impossible for the oil to pass out unless it can develop a local pressure gradient greater than the necessary pressure to burst the water film...
1934
New Low-Density Cement Technology Overcomes Limitations for Improved Well Design in the Williston Basin
Brandon RoIlins, Travis Lauer, Andrew Jordan, Lucas Albrighton, Matthew Spirek, Roderick Pernites
Unconventional Resources Technology Conference (URTEC)
... and hence, slurry density would vary with downhole hydrostatic pressure and temperature. However, by using a job design with varying surface gas...
2019
Geology and Diagenetic History of Overpressured Sandstone Reservoirs, Venture Gas Field, Offshore Nova Scotia, Canada (1)
LUBOMIR F. JANSA and VICTOR HUGO NOGUERA URREA
AAPG Bulletin
... gradient is 0.89 X the average geostatic gradient and 1.9 X the normal hydrostatic gradient. Detailed plotting of pressure vs. depth shows...
1990
Dirty Vs. Clean Salt: Their Impact on the Subsalt Wilcox Deep Water Exploration Plays, #40565 (2010)
Selim S. Shaker
Search and Discovery.com
... and Salt buoyancy (SB) Supra Salt OB (Overburden) FP PS (Principal Stress) SB Sub Salt 6 Sea Floor Hydrostatic Geopressured Mud Pressure Salt PP H...
2010
Hydrocarbon Generation and Migration Routes in the East Texas Basin
William A. Wescott, William C. Hood
AAPG Bulletin
... size to rapidly dissipate the pressure that is in excess of normal hydrostatic pressure. Without the excess pressure, there would be little tendency...
1994
Accelerating Development Optimization in the Bakken Using an Integrated Fracture Diagnostic Pilot
Yueming Liang, Holger Meier, Karthik Srinivasan, Hussain Tahir, Alberto Ortega, Kelvin Amalokwu, James Friedrich, Joy Okpala, Kendal Decker, Matthew Brown, Tim Benish, Haylee Crozier, Peeyush Bhargava, Prasad Sumant, James Reavis
Unconventional Resources Technology Conference (URTEC)
... is not hydrocarbon bearing and the bulk of the rock is at hydrostatic pressure. A combination of magnetic resonance data and mineralogy logs were used...
2022
Composition, Distribution, and Origin of Fruitlan Formation and Pictured Cliffs Sandstone Gases, San Juan Basin, Colorado and New Mexico
Andrew R. Scott, W.R. KAiser, Walter B. Ayers Jr.
Rocky Mountain Association of Geologists
... Formation waters, San Juan basin. The Fruitland is overpressured relative to hydrostatic pressure in the north (pressure gradient of 0.50 psi/ft...
1991
Effects of Oil and Gas Accumulation on Water Movement: GEOLOGIC NOTES
Richard E. Chapman
AAPG Bulletin
... Physics, v. 29, p. 687-691. Thornton, O. F., and D. L. Marshall, 1947, Estimating interstitial water by the capillary pressure method: Am. Inst. Mining...
1982
Hot Fluid Flows Around A Major Fault Identified By Paleothermometric Studies (Tim Mersoï Basin, Niger)
Marah Mamane Mamadou, Michel Cathelineau, Franck Bourdelle, Marie-Christine Boiron, Agnes Elmaleh, Marc Brouand
Journal of Sedimentary Research (SEPM)
..., the pressure correction for Th is quite low and the pressure can therefore be considered hydrostatic. The estimated temperatures for chlorite...
2016
Depositional Facies, Textural Characteristics, and Reservoir Properties of Dolomites in Frobisher-Alida Interval in Southwest North Dakota: Discussion (1)
WILLIAM D. DeMIS
AAPG Bulletin
... a combination stratigraphic and structural trap." Oil was originally trapped by stratigraphic facies change under hydrostatic conditions and hydrodynamics...
1990
ABSTRACT: Interpretations of the Formation of Two-Phase Accumulations Using Gas Isotopic Composition, Source Rock Gas Pyrolysis and PVT Properties; #90134 (2011)
Olaf Thießen, Linda K. Schulz, and Michael Erdmann
Search and Discovery.com
... Hydrostatic Lithostatic 2000 3000 Fig. 1: Reservoir (PRES) and saturation pressure (PSAT) shown as a function of total vertical depth below mean sea level...
2011
Laboratory Measurements of Matrix Permeability and Slippage-enhanced Permeability in Gas Shales; #41224 (2013)
Rob Heller, John Vermylen, and Mark Zoback
Search and Discovery.com
... between hydrostatic confining pressure and pore pressure) and the increase of permeability at very low pore pressure due to molecular slippage...
2013
Systematic Variations in Formation Pressures in the Mesozoic-Cenozoic Sediments of Eastern Cis-Caucasus
A. G. Durmish’yan, V. D. Aslanov, T. R. Rakhmanov, B. L. Aleksandrov, F. G. Sharafutdinov
Petroleum Geology: A Digest of Russian Literature
... conditions of discharge of fluids and complete correspondence of formation and hydrostatic pressure. Interval II-II includes mainly the sediments of the Maykop...
1977
Oil Productivity of the Upper Devonian-Tournaisian Biogenic Complex of the Platform Part of Bashkiria
N. N. Shadrina
Petroleum Geology: A Digest of Russian Literature
... pressure is below the hydrostatic. Formation pressures are particularly low in the bioherms of the Askynsko-Mendym horizon of the Frasnian stage. See Fig...
1978
Simultaneous Measurement of Acoustic and Electrical Anisotropy of Shales under Elevated Pressure: A Preliminary Study, #41965 (2016).
Liwei Ou, Qifei Niu, Manika Prasad, John Quirein, Natasa Mekic, Junsheng Hou, Mehdi E. Far, Ming Gu
Search and Discovery.com
... with a new system that enables the simultaneous measurements of acoustic velocities and complex conductivities under hydrostatic pressure in three...
2016
Dynamic Geo-Process Modelling: A Technique to Help Identify Favorable Prospects
Michael J. Zeltlin
Indonesian Petroleum Association
.... t = 0 years Finally, the system undergoes renewed uplift, sedimentation and subsidence. The red color shows the excess pressure above hydrostatic...
1989
CONTINUAL STUDY OF HYDRAULIC FRACTURING OF THE CLINTON SANDSTONE, MUSKINGUM COUNTY, CLAYSVILLE, OHIO PLAY
Walter F. Fox, Jr., Quaker State Oil Refining Corp., Parkersburg, W. Va.
Ohio Geological Society
... to the BPM, Q, recorded on Table II. Ph, column 3, is the calculated hydrostatic pressure considering the sand content recorded in column 2...
1978
Geomechanical Modeling and Wellbore Stability Analysis Approach to Plan Deep Horizontal Wells Across Problematic Formations
Ahmed K. Abbas, Ralph Flori, Mortadha Alsaba
Unconventional Resources Technology Conference (URTEC)
... gradient, OBG is the as overburden gradient, Phg is hydrostatic pressure (also known normal pore pressure) which can be estimated based on assumption...
2018
Marine Seismic Sources: Part I: Air-Guns for Non Experts
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... forms. This process is described in Parkes and Hatton (1986): Initially, the pressure inside the bubble greatly exceeds the hydrostatic (external...
2010
A NEW LOOK AT TILTED OIL/WATER CONTACTS IN THE WILLISTON BASIN
DAN BARSON, KAUSH RAKHIT, TROY MYERS, NANCY POWERS, CARLO POLETTO
Williston Basin Symposium
... be trapped beyond what is possible under hydrostatic conditions. In structural traps, a fluid contact tilted downdip allows 'extra' oil...
1998
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...
1955