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The AAPG/Datapages Combined Publications Database
Showing 17,050 Results. Searched 197,434 documents.
Thermal Regimes of the Balcones/Ouachita Trend, Central Texas
C.M. Woodruff, Jr. , Duncan Foley
GCAGS Transactions
... Texas: Texas Journal of Science, v. 29, p. 5-14. American Association of Petroleum Geologists and U.S. Geological Survey, 1976, Geothermal gradient map...
1985
1.0 Introduction
P. E. Gretener
AAPG Special Volumes
... fluid column. In broad terms this leads to a fluid pressure gradient (dp/dz) of about 0.45 psi/ft (see section 2.0). Assuming the density of the sediments...
1981
Aquathermal Pressuring and Geopressure Evaluation: GEOLOGIC NOTES
Stephen R. Daines
AAPG Bulletin
.... Eaton, B. A., 1969, Fracture gradient prediction and its application in oilfield operations: Jour. Petroleum Technology, v. 21, p. 1353-1360. Fertl...
1982
An Overview of Geothermal Exploration and Development in Nevada
Joy Hyde
Rocky Mountain Association of Geologists
... surveys. Shallow temperature-gradient /lithology holes ranging from 150 to 500 ft (45 to 150m) deep will be drilled to evaluate heat flow. Following...
1979
Influence of beach morphodynamics on the distributions of the opheliid polychaete Euzonus sp. and its feeding burrows on a sandy beach: Paleoecological and paleoenvironmental implications for the trace fossil Macaronichnus segregatis
Koji Seike
PALAIOS
...-face gradient, are discussed. In addition, temporal changes in foreshore distribution in response to changes in beach topography are examined...
2009
Short note: Formation fracturing caused by excessive borehole fluid pressures during drilling in unconsolidated or coastal-plain sediments may be an unknown problem on your project
Douglas E. Wyatt, Frank H. Syms
Environmental Geosciences (DEG)
... gradient from the drilling or grouting exceeds the fracture gradient of the formation. Formation damage may lead to leaking of downward-moving...
2005
Fracture-Porosity Identification from Anisotropy AVO and Fluid Substitution Modelling in Seismic 2D Data
Septian Prahastudhi, Tenny Octaviani, Ayi Syaeful Bahri, Yulia Putri Wulandari
Indonesian Petroleum Association
... properties of crack (D) and anisotropy gradient (Gan). The crack properties can be computed after fluid replacement modeling using Gassmann Equation to find...
2012
Determination of Geothermal Gradient from Point Measurements of Temperature in Producing Wells
A. K. Talalayev
Petroleum Geology: A Digest of Russian Literature
...Determination of Geothermal Gradient from Point Measurements of Temperature in Producing Wells A. K. Talalayev 1962 359 363 Vol. 6 (1962) No. 6...
1962
Geologically Based Pore Pressure Modeling: Reconciling Pressure vs. Depth Plots with Mud Weight Equivalent vs. Depth Plots
S. Shaker
Houston Geological Society Bulletin
... gradient in the region as long as formation water density remains relatively constant. In hydrocarbon-bearing zones measured pore pressures follow...
2003
Geothermal regime and hydrocarbon kitchen evolution of the offshore Bohai Bay Basin, North China
Yinhui Zuo, Nansheng Qiu, Yuan Zhang, Cuicui Li, Jianping Li, Yonghua Guo, Xiongqi Pang
AAPG Bulletin
... thermal gradient values at the depth interval of 0 to approximately 3000 m (~9843 ft) in the offshore Bohai Bay Basin were obtained. The basinwide average...
2011
Abstract: AVO Compliant Spectral Balancing; #90171 (2013)
Nirupama Nagarajappa and Jon Downton
Search and Discovery.com
... amplitude relationship with offset. Not compensating for the frequency loss alters the AVO gradient and reduces the resolution of stacks. Worse yet...
2013
Hydrocarbon Type Discrimination Using AVO analysis, Sama Field, WDDM, Nile Delta, Egypt, #20335 (2015).
Mahmoud M. Hemdan, Mostafa El-Sadek, Islam Yehia, Ahmed Hosny, Islam Ali
Search and Discovery.com
..., Psia Gas Oil Water Depth (TVDss) m Gradient, 0.1psi/ft Gradient, 0.27psi/ft Gradient, 0.37 psi/ft ?? • • MDT samples confirmed fluid types...
2015
Potential Extent and Thickness of Gas Hydrates in the Deep Water of the Northern Gulf of Mexico
Ettore Marcucci, Joseph Forrest
GCAGS Transactions
... and geothermal gradient determined from the mudline and a hydrostatic pressure gradient of 0.442 psi/ft. Because of the assumed relationship between water...
2007
Formation Pressure Measurements and Their Use in Oil Exploration in the Kutubu Project, Papua New Guinea
Michael C. Daniels
Papua New Guinea (PNG) Petroleum Convention Proceedings
... < Q o s (/) Z ) UU Jol fi|5 UJ Q C O o N o w Ul s I I i I I I I rI I , I I I UJ 5g RFT gradient (psi/ft) .433 psi/ft (fresh water...
1993
A New Approach to Casing Setting Depth Selection in Unocal East Kalimantan Operations
Arifun, Wahyu H. Sumpeno
Indonesian Petroleum Association
... on existing wells, have a normal pressure gradient of .447 psi/ft. Currently, over pressured reservoirs are encountered below 9500 ft vertical depth...
1992
Research on facies-controlled inversion method of ultradeep carbonate fracture-cavity reservoir based on multiattribute constraints
Yongjian Zeng, Tianwei Du, Pengfei Li, Bo Liu, Fengying Yang
International Meeting for Applied Geoscience and Energy (IMAGE)
..., this paper first uses the gradient structure tensor attribute to characterize the external contour of the fracture-cavity reservoir, and then uses...
2023
Thermal and Diagenetic History of the Pleasant Bayou -- Chocolate Bayou Area, Brazoria County Texas
Thomas E. Ewing, Malcolm P.R. Light, Noel Tyler
GCAGS Transactions
... fall into two groups: The first assumes the present geothermal gradient, modified by cooling of the lower Frio section by water flow. In the second...
1984
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
Solution Mining of Nahcolite at the Yankee Gulch Sodium Minerals PRoject, Piceance Creek, Colorado
Michael Hardy, Max Ramey, Charley Yates, Kurt Nielsen
Rocky Mountain Association of Geologists
... of panel Cross-gradient Up-gradient 2 19-3 19-3 Out of panel Down-gradient 3 20-4A 20-4A In panel Cross-gradient Up-gradient A Groove...
2003
Aquifers, Faults, Subsidence, and Lightning Databases
Kathleen S. Haggar, Les R. Denham, H. Roice Nelson, Jr.
GCAGS Transactions
... latitude. Figure 1. The geothermal gradient is colored within two rectangular analysis areas referenced in this paper, which areas cover (1) Colorado...
2014
Influence of Depth, Temperature, and Geologic Age on Porosity of Quartzose Sandstone
John C. Maxwell
AAPG Bulletin
... with relatively high temperatures (high thermal gradient), sandstone porosities tend to be lower than for similar sandstones in areas with lower thermal...
1964
Can Dispersive Pressure Cause Inverse Grading in Grain Flows?
Francois Legros
Journal of Sedimentary Research (SEPM)
... of the flow and a consequent decrease in dispersive pressure until it equals the applied normal stress again. The gradient of dispersive pressure...
2002
Graphic Approach to Determination of Hydrocarbon Maturation in Overthrust Terrains
Kevin P. Furlong , Janell D. Edman
AAPG Bulletin
... gradient has generally been used in calculating time-temperature models. Incorporation of various geophysical thermal models with geologic data, however...
1984
Rock Physics and Reservoir Characterization of a Calcitic-Dolomitic Sandstone Reservoir; #41499 (2014)
H. Morris, E. Efthymiou, B. Hardy, T. Kearney
Search and Discovery.com
... is affected by both fluid and lithology, and the far stack seismic response is dominated by the fluid fill. Gradient reflectivity is required...
2014
Application of Lopatin's Method to Determine Burial History, Evolution of the Geothermal Gradient, and Timing of Hydrocarbon Generation in Cretaceous Source Rocks in the San Juan Basin, Northwestern New Mexico and Southwestern Colorado
Wendell A. Bond
Rocky Mountain Association of Geologists
...Application of Lopatin's Method to Determine Burial History, Evolution of the Geothermal Gradient, and Timing of Hydrocarbon Generation in Cretaceous...
1984