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The AAPG/Datapages Combined Publications Database
Showing 37,692 Results. Searched 200,599 documents.
Control of Annular Gas Flow and Application in Indonesia
A. De Almeida, W. Hernowo
Indonesian Petroleum Association
..., trapping water that still is undergoing hydration; even when a dispersed slurry can no longer transmit any hydrostatic pressure. Cement now undergoes...
1986
Thermomechanical origin of regional fracture systems
Joseph M. English
AAPG Bulletin
... symmetrical pressure and temperature gradients: Society of Petroleum Engineers Journal, v. 24, no. 2, p. 129140, doi:10.2118/10080-PA.Perkins, T. K., and J...
2012
Produced water disposal injection in the southern San Joaquin Valley: No evidence of groundwater quality effects due to upward leakage
Preston D. Jordan, and Janice Gillespie
Environmental Geosciences (DEG)
... storage injections typically occur at a pressure above hydrostatic, even approaching the fracturing gradient, to maximize injection well utility...
2016
Poroelastic Prediction of Matrix Compressibility and Pressure Dependent Permeability: Impact on Simulated Recovery Factors in Permian Basin Resource Rocks, USA
Brian Crawford, Michael Cronin, Olabode Ijasan, Mathilde Luycx, Darren McLendon, Shreerang Chhatre
Unconventional Resources Technology Conference (URTEC)
... Pressure Buildup (a) (c) (b) (d) Figure 6. Variation of storage (UPVC) and transport (PDP) stress-sensitivity with PMF(8): (a) hydrostatic bulk...
2023
Development of Probabilistic Production Enhancement Screening Toolbox
I. A. Razak, T. Morillo, M. F. Mustapah
Indonesian Petroleum Association
... with depth. There are two main sources of pressure drop, viz. hydrostatic gradient and frictional gradient. Hydrostatic gradient is related to fluid density...
2010
Obscure Nature of Petroleum Migration and Entrapment
John C. Cartmill
AAPG Bulletin
... if any substantial removals of discontinuous residual oil are to be accomplished even with the substantial pressure gradients expected in waterflood...
1976
Petroleum Geology of the Bakken Formation Williston Basin, North Dakota and Montana*
Fred F. Meissner
Montana Geological Society
... gradients in the Bakken Formation and areas of "normal" and "abnormally-high" pressure. Note coincidence of "low" electrical...
1991
Diagenesis of Sandstones in Lower Cook Inlet Basin, Alaska, and its Implications for Petroleum Plays
J. G. Bolm, Thane H. McCulloh, Richard J. Stewart
Alaska Geological Society
..., suitable framework composition, high geothermal gradient, normal to low fluid-pressure gradient, low-salinity pore water, and absence of carbon...
1983
Thin-skinned Gravity Sliding as a Mechanism for Growth Faulting: Unit 10: Principles
Martin P. A. Jackson, William E. Galloway
AAPG Special Volumes
... slope with normal fluid pressure, the system is in static equilibrium. The downslope component of the weight of the fluid-filled loose sediment...
1984
Using Fluid-Induced Microseismics to Image Permeability
Andrew King, Tobias Müller
Unconventional Resources Technology Conference (URTEC)
..., and the distribution of points of weakness in the rock. A Mohr-Coulomb-type failure law describes how pressure decreases normal stress on a fracture, leading...
2016
Petroleum Geology of the Bakken Formation Williston Basin, North Dakota and Montana
Fred F. Meissner
AAPG Special Volumes
... Fig. 15. Aerial distribution of pore-fluid gradients in the Bakken Formation and areas of "normal" and "abnormally-high" pressure. Note coincidence...
1984
Diagenesis of Sandstone Reservoirs of Pattani Basin, Gulf of Thailand
A. S. Trevena, R. A. Clark
AAPG Bulletin
... with burial depth. Formation fluid pressure is generally hydrostatic above about 2,135-2,285 m (7,000-7,500 ft) and overpressured below this depth...
1986
Relation of Methane Generation to Undercompacted Shales, Shale Diapirs, and Mud Volcanoes
Hollis D. Hedberg
AAPG Bulletin
... of the sedimentary column. It remains less than normally compacted and its fluid content carries not only the normal hydrostatic pressure proper to its position...
1974
The function of faults in hydraulic hydrocarbon entrapment: Theoretical considerations and a field study from the Trans-Tisza region, Hungary
Brigitta Czauner, Judit Madl-Szonyi
AAPG Bulletin
...-permeability fault), pressure data from both aquifers define a hydrostatic vertical gradient on a pressure elevation plot (Figure 1C). However, pressure...
2011
Overpressure transmission through interconnected igneous intrusions
Nick Schofield, Simon Holford, Alex Edwards, Niall Mark, and Stefano Pugliese
AAPG Bulletin
... to as overpressure, is a common occurrence within sedimentary basins, occurring when the pore-fluid pressure is greater than the hydrostatic pressure...
2020
Physical Processes in the Ocean: Part 2: Relation of Oceanography to Sedimentation: PART 1
R. H. Fleming, Roger Revelle
AAPG Special Volumes
.... These are temperature, salinity, that is, the concentration of the dissolved solids, and the hydrostatic pressure. The first two may be determined only through...
1939
Hydrates of Natural Gas in Continental Margins: Environmental Processes: Model Investigations of Margin Environmental and Tectonic Processes
Keith A. Kvenvolden, Leo A. Barnard
AAPG Special Volumes
... and thus increases the area of the hydrate stability field. Depth scale assume lithostatic and hydrostatic pressure gradients of 0.1 atm/m. Redrawn after...
1982
A New Approach to Pore Pressure Predictions: Generation, Expulsion and Retention Trio, Case Histories from GOM; #41612 (2015)
Selim Simon Shaker
Search and Discovery.com
... ECD MW (surface) 10000 10000 25000 8000 10000 SIP (shut in pressure) Csg (casing) 14000 15000 Average sand pressure Hydrostatic (GoM) 30000...
2015
Advanced Machine Learning Methods for Prediction of Fracture Closure Pressure, ClosureTime, Permeability and Time to Late Flow Regimes From DFIT
Mohamed Ibrahim Mohamed, Dinesh Mehta, Mohamed Salah, Mazher Ibrahim, Erdal Ozkan
Unconventional Resources Technology Conference (URTEC)
... systems with moderate permeability and low-pressure gradients undergoing minifrac tests may have late-time surface pressure declining to zero...
2020
Pore Pressure Mapping Using Microseismicity and Borehole Data
Leo Eisner, Dmitry Alexandrov, Umair bin Waheed
Unconventional Resources Technology Conference (URTEC)
...a (40.8±0.8 MPa with hydrostatic correction) based on two ISIP values from the pressure-time records. Unfortunately, the pressure records did not provid...
2022
Application of Foam Cement and the Stringent Quality Control Techniques Basic to the Use of This New Oil Field Cementing System
Alex Antonovitch, George Birch, D. Larry Murphy
Indonesian Petroleum Association
... that would not support the hydrostatic pressure of extended cement slurries weighing only 11 ppg. Frequently a full cement column could only be placed...
1983
Factors controlling petroleum accumulation and leakage in overpressured reservoirs
Fang Hao, Weilin Zhu, Huayao Zou, and Pingping Li
AAPG Bulletin
... the variations of with depth may be different from basin to basin, increases at higher gradients than the hydrostatic pressure. As a consequence...
2015
Geopressure Calculations in Real-time to Calibrate Operation Windows, #41931 (2016).
Carlos Martinez, Franklig Rodriguez, Edwin Hernandez, Edgar Gonzalez, Luis Corrales, Concepcion Isidro, Adrehny Leon
Search and Discovery.com
... a sonic synthetic log to calculate the pore pressure, collapse and fracking gradients, in order to allow multidisciplinary teams assigned to projects...
2016
Structure and geomorphology of the Duchesne graben, Uinta basin, Utah, and its enhancement of a hydrocarbon reservoir
Alicia Groeger, Ronald Bruhn
AAPG Bulletin
... in the Wasatch Formation indicated pressure gradients exceeding 12 kPa/m and locally approaching 18 kPa/m, significantly greater than a hydrostatic gradient...
2001
Analytical Method to Accurately Estimate Overpressure Magnitude: The Case Study from Indonesia's Tertiary Basins
Agus M. Ramdhan, Lambok M. Hutasoit, Arifin
Indonesian Petroleum Association
... hydrostatic pore pressure from vertical/overburden stress. Pore pressure (thus overpressure) in overpressure section is calculated again by Terzaghi...
2021