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The AAPG/Datapages Combined Publications Database
Showing 37,690 Results. Searched 200,693 documents.
Dirty vs. Clean Salt: Their Impact on the Subsalt Wilcox Deepwater Exploration Plays
Selim Shaker
GCAGS Transactions
... pressure envelopes and normal compaction trends takes place in the sediment surrounding the salt body. Lower pore pressure gradient has been observed below...
2009
A Geomechanical Study of Refracturing Based on Microseismic Observations - Case Study of Haynesville and Eagle Ford Wells
Alireza Agharazi, Sudhendu Kashikar
Unconventional Resources Technology Conference (URTEC)
... was considered with the magnitude of horizontal stresses being SHmax= Shmin=0.8Sv. A hydrostatic pore pressure distribution was considered in the model. The effect...
2016
Entrapment of Petroleum Under Hydrodynamic Conditions
M. King Hubbert
AAPG Bulletin
... of measurement. The relation between this rise and the pressure p will be given by the hydrostatic equation EQUATION (5) When this is substituted...
1953
Magnitude, mechanisms, and prediction of abnormal pore pressure using well data in the Krishna–Godavari Basin, east coast of India
Sumangal Dasgupta, Rima Chatterjee, and Sarada Prasad Mohanty
AAPG Bulletin
... this variation. A wide range of pore-pressure gradients from normal to as high as 18 MPa/km was observed in the present data set. The tops of overpressure...
2016
Beyond the Bad-Water LineA Model for the Occurrence of Brackish Water in Upper Coastal Plain Aquifers in Texas
Stephen Z. Hoff Jr., Alan R. Dutton
GCAGS Journal
.... [2015] and 10 from Galloway et al. [1983] and Kosters et al. [1989]), at depths of 2000–4000 m (6550–13,100 ft), have an apparent hydrostatic pressure...
2017
Kutubu Pipeline Project: Reprints from The Australian Pipeliner
Graham Tait, Brian Wickins, Charles Rottier, Peter Tuft, Kay Turnbull, David Head, Geoff Hughes, Claire Bowley
Papua New Guinea (PNG) Petroleum Convention Proceedings
... will be given by: Pgauge APi=K,.(p.g.AH) = 0.327x 1100x9.81 P aor10.6kPa (6) Tidal Effects during Hydrostatic Testing The variation of the pressure...
1993
Rock physics and basin modeling nexus for predicting pore pressure
Qiuzi Li, Thomas M. Etzel, Alex Konstantinou, Prajnajyoti Mazumdar
International Meeting for Applied Geoscience and Energy (IMAGE)
... pressure is identical to hydrostatic pore pressure that is created by the column of pore fluid from the surface to the depth of interest (Zhang, 2013...
2023
Preservation of Oil During Erosion of Reservoir Rocks
Geo. Edwin Dorsey
AAPG Bulletin
... undoubtedly be encountered in the event a well was located on the flank of such structure, no hydrostatic head or gas pressure would or could be present...
1933
Optimizing the Upside Hydrocarbon Potential Through Evaluation of Wireline Formation Tester and Formation Pressure while Drilling - A Case Study from North Belut, Block B South Natuna
Julianta Parlindungan Panjaitan, Kurniawan Purwoko, Haryo Anindito, Tigor Hamonangan, Yana Hendrayana, Budiman Budiarto, Rinaldi Sudarwoto, Mitra Dolok Sion Silaban
Indonesian Petroleum Association
... (i.e. Highly deviated well to help decision making process, save rig time, and reduce cost). During the drilling of the well, the hydrostatic pressure...
2018
Pressure and Basin Modeling in Foothill Belts: A Study of the Kutubu Area, Papua New Guinea Fold and Thrust Belt
Jean-Paul Callot, William Sassi, François Roure, Kevin Hill, Nigel Wilson, Renaud Divies
AAPG Special Volumes
... with mainly dominantly hydrostatic pore fluid pressures. However, this process develops a regional pressure seal localized where the vertical...
2017
CO2 Storage Potential and Mixed Gas Conditions of Eastern Australian Coals
A. Sagha
Petroleum Exploration Society of Australia (PESA)
... as a function of depth. the adsorption capacity it is assumed that the hydrostatic pressure equals the gas pressure at sample depth. In Figure 3...
2008
AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction
David W. Bell
AAPG Special Volumes
..., or confining, pressure, P c, and the pore pressure, P p. In zones of normal compaction, the overburden pressure is obtained by integrating a density...
2001
Abstract: The Challenge of Pore Pressure Prediction in Complex Environments Jeanne dArc Basin, Eastern Canada; #90174 (2014)
Sam Green, Stephen O’Connor, and Richard Swarbrick
Search and Discovery.com
... sediments may have sufficient porosity/permeability to allow fluids to escape, therefore maintaining normal pressure. Where sand-rich sequences exist...
2014
The Identification and Commercialization of Subnormally Pressured Unconventional, Gas-Bearing Sandstones
Ben Law
Unconventional Resources Technology Conference (URTEC)
... Pennsylvania (Figure 3). The transition from normal pressure to subnormal pressure in Ohio is coincident with the transition from conventional accumulations...
2013
Overpressure Retardation of Organic-Matter Maturation and Petroleum Generation: A Case Study from the Yinggehai and Qiongdongnan Basins, South China Sea
Hao Fang , Sun Yongchuan , Li Sitian , Zhang Qiming
AAPG Bulletin
... pressure coefficient (fluid pressure:hydrostatic pressure ratio) measures up to 2.1, and pressure calculation indicates that the pressure coefficients...
1995
ABSTRACT: Successful Application of a New Oil Production Optimal System at the Kokdumalak Field in Uzbekistan; #90007 (2002)
Vladimir Shaposhnikov, Simon Tseytlin, Geliy Mirzoev, Isaak Golbraykh, Josef, Vladislav Sokolov, Parda Khaydarov and Alimakhmud Karimov, Uzgeoneftegasdobycha
Search and Discovery.com
... is isolated by salt formation and has pressure that is more than twice normal hydrostatic gradient (drilling mud used 1.9 g/sm3). 2 AAPG Search...
Unknown
The Growth History of Toe Thrusts of the Niger Delta and the Role of Pore Pressure
Scot W. Krueger, Neil T. Grant
AAPG Special Volumes
... for the well. The lithostatic stress was calculated by integrating bulk-density log data. Hydrostatic pressure was calculated from a gradient...
2011
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
Application of Plunger Lift for Marginal Wells in Patchawarra Central Oil Fields
M. Pyzik
Petroleum Exploration Society of Australia (PESA)
.... The standing valve is open. The rate of liquid production is lowered by the increase in the slug hydrostatic pressure and the pressure build-up due...
1989
Geotechnical Engineering Link Between Offshore Processes and Hazards: Section 3
Dwight A. Sangrey
AAPG Special Volumes
... stress - pore pressure [EQUATION] We need to consider two kinds of pore pressure: a. Ambient pore pressure characteristic of the normal state...
1981
Seepage pathway assessment for natural gas to shallow groundwater during well stimulation, in production, and after abandonment
Maurice Dusseault and Richard Jackson
Environmental Geosciences (DEG)
... to a height of ∼6400 m (∼20997 ft; 66 MPa ÷ ÷ g) for the short period of time the pressure increment remains at 50 MPa (7252 psi) above the hydrostatic...
2014
Abstracts: Present-Day Stress Analysis in the St. Lawrence Lowlands from Borehole Breakouts and Implications for CO2 Injection; #90173 (2015)
E. Konstantinovskaya, M. Malo, and D. A. Castillo
Search and Discovery.com
... gradient is 11.76-12.5 kPa/m in the Bécancour area as it is estimated from DST data (Fig. 3). This value is compatible with hydrostatic pressure gradient...
2015
The Quartzite Problem
Herbert Skolnick
Journal of Sedimentary Research (SEPM)
... by the rock column. Normally the pressure exerted by the interstitial water approaches hydrostatic and according to Fatt (1958, p. 1929) reduces...
1965
Reevaluation of Montmorillonite Dehydration as Cause of Abnormal Pressure and Hydrocarbon Migration
Kinji Magara
AAPG Bulletin
... is called the "normal compaction trend," and the End_Page 292------------------------------ pore-fluid pressure in this interval is known to be near...
1975
Outline of Water Problems in New Grosny Oil Field, Russia
Norbert T. Lindtrop
AAPG Bulletin
... fields: the old and new Grosny and the Vosnesenskaja fields. There were 450 producing wells in 1926. Fifteen of these flowed, by hydrostatic pressure...
1927