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The AAPG/Datapages Combined Publications Database
Showing 47,090 Results. Searched 200,691 documents.
Impact of Capillary Trapping on CSG Recovery: An Overlooked Phenomenon
Yiran Zhu, Zhongwei Chen, Huilin Xing, Victor Rudolph
Australian Petroleum Production & Exploration Association (APPEA) Journal
... pressure (Saghafi et al. 2014; Alyafei and Blunt 2016; Jafari and Jung 2017). Increasing wetting angle suppresses trapping (Holtzman 2016). Meanwhile, water...
2019
Geometric Models of Listric Normal Faults and Rollover Folds (1)
WILLIAM F. DULA, JR.
AAPG Bulletin
... and shapes of the master-fault segments interpreted fr m offshore Norway and Gulf of Mexico seismic lines. The shear angle required in the inclined-shear...
1991
Selected Studies in High-Angle Hole Cleaning
Mario Zamora, Paul Hanson
Indonesian Petroleum Association
...Selected Studies in High-Angle Hole Cleaning Mario Zamora, Paul Hanson 1990 411 425 Difficulties encountered while drilling horizontal and highly...
1990
Eolian Dune Degradation and Generation of Massive Sandstone Bodies in the Paleoproterozoic Makgabeng Formation, Waterberg Group, South Africa
E.L. Simpson, K.A. Eriksson, P.A. Eriksson, A.J. Bumby
Journal of Sedimentary Research (SEPM)
... and barchanoid-ridge dunes. Bases of massive sandstone bodies are channelized or planar. Channel-based bodies typically overlie low-angle or up to 26...
2002
Deformation Structures of Sedimentary Origin in the Lower Limestone Shales (Basal Carboniferous) of South Pembrokeshire, Wales
Gilbert Kelling, Brian P. J. Williams
Journal of Sedimentary Research (SEPM)
... are more common in the basal portion of the sequence where current-formed structures (principally current ripple-mark and small scale cross...
1966
Visualization of the Internal Structure of the Massive Division in Experimental Sediment-Gravity-Flow Deposits by Mapping of Grain Fabric
Hajime Naruse, Fujio Masuda
Journal of Sedimentary Research (SEPM)
... angle is also seen in other samples, suggesting that this type of variation may be a common feature of debris-flow deposits. The oscillation of grain...
2006
The use of microresistivity image logs for facies interpretations: An example in point-bar deposits of the McMurray Formation, Alberta, Canada
Howard Brekke, James A. MacEachern, Tania Roenitz, and Shahin E. Dashtgard
AAPG Bulletin
... places the sinusoid on the image in the interpretation software (Figure 6), and the dip angle, dip direction, and depth of the surface are automatically...
2017
GEOLOGY OF A PORTION OF THE GASTON STEAM PLANT
Clayton E. Gore, James W. Whitfield
Alabama Geological Society
... shale but also contains some careous beds. . The general strike of the formations the dip is 15° to 25° southwest. Flat and high angle thrust faults...
1974
Two More Ordovician Well-Core Graptolites, Crane County, Texas: GEOLOGICAL NOTES
Charles E. Decker
AAPG Bulletin
.... Dissepiments are few End_Page 1771------------------------------ and slender. The basal angle of the colony is about 100° to 110°. The bifurcation...
1942
Abstract: Orientation Analysis of Borehole Geophones in Vertical and Deviated Wells: Calibration Consistency; #90174 (2014)
Peter G. Gagliardi and Don C. Lawton
Search and Discovery.com
... levels. The wellhead is shown in black. (b) Line 6 common receiver gather of the x-component of the geophone at 1038 m depth, showing a window from...
2014
Tracer-Guided Characterization of Dominant Pore Network and Implications on Permeability and Wettability in Shale, #42418 (2019).
Sheng Peng, Robert M. Reed, Xianghui Xiao,
Search and Discovery.com
... characterization is an important aspect in unconventional reservoir evaluation. A common technique is using the scanning electron microscope (SEM). While...
2019
NEW TECHNIQUES IN ELECTRONIC POSITIONING FOR AEROMAGNETIC SURVEYS
T. C. Oftelie
Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)
... in Common Use Recently there have been four systems used for locating the aircraft on a survey of the above type. They are known as Shoran, Lorac, Decca...
1959
The “Cluster” Program Applied to Dipmeter Interpretation in South East Asia
A. G. B. Marshall
Southeast Asia Petroleum Exploration Society (SEAPEX)
... to know the relative displacements of at least three points in that plane (Fig.4). Therefore, any two curve displacements sharing a common electrode...
1976
Comparison of Heavy Oil Reservoirs: The Lloydminster Formation, Lloydminster Area, and the Clearwater Formation, Cold Lake Area
J. Ross McLean, Peter E. Putnam
CSPG Special Publications
...-grained, uncrossed nicols, 16x 1997.5 ft., 11-18-47-4W4 C: Wave-rippled coarse siltstone, 161.5 m, 16-7-47-4W4 D: Planar laminated and low-angle...
1983
Sedimentological and Diagenetic Controls on Reservoir Quality in the Bow Island Formation of Southern Alberta
Scott McLellan, Ian Hutcheon
CSPG Special Publications
...- to fine sand-sized. The basal ripple cross-laminated facies is overlain by low-angle to convergently cross-stratified, fine to medium-grained sandtones...
1995
Separating Allogenic and Autogenic Controls in a Super-Greenhouse Fluvial System; #50310 (2010)
Piret Plink-Bjorklund, Lauren Birgenheier, James Golab
Search and Discovery.com
...: • dominantly plane-parallel-laminated sandstones • +convex-up low-angle bedforms • +climbing ripples • +structureless sandstones • +soft-clast...
2010
Wave-Equation-Based Target-Oriented Inversion for Reservoir Characterisation, #41759 (2016).
Dries Gisolf, P.R. Haffinger, P. Doulgeris
Search and Discovery.com
... Tertiary deltaic to deep North Sea Carboniferous. Common features of all real data cases are that the non-linear full waveform inversion is very robust...
2016
Three Critical Environments of Deposition and Their Paleogeographic Implications
John Lyon Rich
Tulsa Geological Society
.... If the angle of slope of the clinoform is very small, the velocity of the density current will be too small for fluting but commonly still great enough...
1955
Stratigraphic Control and Formation Evaluation of Horizontal Wells Using MWD
L. R. B. Hammons, E. K. Fisher, D. H. Sellers
Pacific Section of AAPG
... in the unconsolidated sediments common to the Gulf of Mexico. East Cameron 265 Field production history indicated probable water coning in one...
1992
4D image velocity scan to improve the 4D quantitative interpretation
Mohamed Hatab, Colin MacBeth
International Meeting for Applied Geoscience and Energy (IMAGE)
...), dip, and spatial coherency at each iteration. Common reflection point (CRP) output gathers on a 50 m x 50 m grid are used in a continuous locally...
2022
Anisotropic full-azimuth velocity model building using joint reflection-refraction tomography
Matan Shustak, Itai Sharabi, Orly Kletenik-Edelman, Elive Menyoli, Ike Imala, Ronit Levy, Zvi Koren
International Meeting for Applied Geoscience and Energy (IMAGE)
... for the refraction data, and the residual moveouts which were automatically picked along full azimuth reflection angle domain depth common image gathers (CIGs...
2022
Toe-of-Slope Sedimentation, Goat Seep and Getaway Carbonates, Western Escarpment, Guadalupe Mountains, West Texas1
G. Allan Crawford
West Texas Geological Society
... and siltstone. The lenses are interpreted as basinward-trending (SE) channels deposited at the base (toe) of a high-angle, shelf-edge carbonate buildup...
1988
Coal Partings in Stylolite Seams
B. M. Shaub
Journal of Sedimentary Research (SEPM)
... crossing the bedding at an angle of 25°. A photograph is submitted which shows four sections of two inch drill cores. These drill core sections...
1947
Rhomboid Ripple Mark, Indicator of Current Direction and Environment
John H. Hoyt and Vernon J. Henry, Jr.
Journal of Sedimentary Research (SEPM)
... they are a common and distinctive feature. DISCUSSION Rhomboid ripple marks are roughly diamond-or rhombohedral-shaped and are usually elongate...
1963
The Texture of Talus in Tasmania
N. Caine
Journal of Sedimentary Research (SEPM)
... a short distance (fig. 2). Slight local variations in angle of the kind noted by Andrews (1961) are common everywhere and more marked ones, associated...
1967