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The AAPG/Datapages Combined Publications Database
Showing 3,040 Results. Searched 200,636 documents.
Model for Sandstone-Carbonate "Cyclothems" Based on Upper Member of Morgan Formation (Middle Pennsylvanian) of Northern Utah and Colorado
Steven G. Driese , R. H. Dott, Jr.
AAPG Bulletin
... to top: (a) a knife-sharp contact between sandstone and the overlying carbonate unit, (b) planar-bedded bioclastic grainstones or cross-bedded oolitic...
1984
Geology of Northeastern Lincoln County, Oklahoma
Alvin E. West
Oklahoma City Geological Society
...., measured north up slope from near top of small earthern dam in SE of section. Sandstone, maroon, calcareous, 5.0 Shale, red, 6.0 Covered interval...
1961
Permian Redbeds of Kansas
George H. Norton
AAPG Bulletin
... Grande arch of eastern Colorado, where beds of approximate Salt Plain age rest on beds near the top of the Pennsylvanian (Wabaunsee) as accepted...
1939
Dolomitization and Porosity Development in the Middle and Upper Wabamun Group, Southeast Peace River Arch, Alberta, Canada
Arthur H. Saller , Ken Yaremko
AAPG Bulletin
... dolomites are coincident with mound-like structural highs at the top of the Wabamun, with structural relief due largely to differential compaction between...
1994
Tailored Cement Spacer System Helps Mitigate Lost Circulation and Improve Zonal Isolation in Unconventional and Mature Fields
Rodrigo Lopez, Carlos David Uscanga, Kyriacos Agapiou
Unconventional Resources Technology Conference (URTEC)
... objectives may not be met, including the inability to achieve planned top of cement (TOC). Not achieving TOC in cementing potentially results...
2020
Ghost River Type Section
J. D. Aitken
CSPG Bulletin
... that the type section of the "Ghost River Formation" is, excepting a few feet of poorly exposed Devonian rocks at the top, which Walcott may not have seen...
1963
DEPOSITIONAL ENVIRONMENTS, PALEOECOLOGY, AND BIOSTRATIGRAPHY OF ARIKAREEAN BOZEMAN GROUP STRATA WEST OF THE CONTINENTAL DIVIDE IN MONTANA
Donald L. Rasmussen
Montana Geological Society
...-to-large, shallow, and ephemeral. Bedded gypsum and gypsum cement in lacustrine strata at the top of the Cabbage Patch sequence in the Flint...
1989
Some Problems in the Stratigraphic Analysis of Diplogs (®)(1)
Olin R. Holt
GCAGS Transactions
... and paleontological work are not done. Sedimentary structures are impressed by the agent of deposition and cannot be transported intact from one environment...
1973
Revised Megafossil Biostratigraphic Zonation for the Carboniferous of Northern Alaska
J. Thomas Dutro Jr.
Pacific Section SEPM
... some changes, based largely on new data on molluscan ranges (see also Gordon, 1957), but the basic zonation remained intact. During the 1960...
1987
Environmental and Engineering Geology of the Wasatch Front Region 1995 Utah Geological Association Field Conference September 23, 1995 Road Log
Daniel Horns, Norman Evenstad, Louis Amodt, Genevieve Atwood, Bill D. Black, Michael Hylland, Jeffrey R. Keaton, William R. Lund, Kyle Rollins, Bruce Vandre
Utah Geological Association
... to the left is a landslide with a shallow scarp. The top of the slide is at the Bonneville shoreline. 2.0 6.0 EXIT HIGHWAY 215 at 6200 SOUTH. TURN...
1995
A New Method of Neostress Determination From Passive Seismic Data
Alfred Lacazette, Alan Morris
Unconventional Resources Technology Conference (URTEC)
... if the cohesion of the fault is less than the cohesion of the intact rock (Figure 2). Assuming a constant far-field stress tensor, the fault population...
2015
CRETACEOUS BIOSTRATIGRAPHY IN THE WYOMING THRUST BELT
D.J. Nichols, S.R. Jacobson
Rocky Mountain Association of Geologists
... unidentifiable in cuttings samples. Only fossils of microscopic size can be consistently recovered intact from well cuttings. especially are dependent upon age...
1982
Origin and Recognition of Fractures, Breccias, and Sediment Fills in Paleocave-Reservoir Networks
Robert G. Loucks, C. Robertson Handford
West Texas Geological Society
... compacted but relatively intact strata over the collapsed chamber are fractured and form burial cave-roof crackle breccia with loosely to tightly...
1996
The Jurassic (Bajocian) Rock Creek Member of West-Central Alberta
P. Putnam, S. Moore
CSPG Special Publications
... fractures oriented parallel to the principal northeast stress direction (Bell and Babcock, 1986). Figure 5 is a structure map on top of the Rock Creek...
1993
Subsidence in the Mississippi River Delta--Important Influences of Valley Filling by Cyclic Deposition, Primary Consolidation Phenomena, and Early Diagenesis
Harry H. Roberts , Alan Bailey , Gerald J. Kuecher
GCAGS Transactions
... intact from the boring and dried or freeze-dried. Using a 3-mm core cutter, subsamples were taken from each sample and ground to <320 mesh for X-ray...
1994
Developing a Compound Morrow Valley Fill: Reservoir Heterogeneity and Implications for Reservoir Management and Field Expansion, State Line Trend, Colorado/Kansas
Lee F. Krystinik, Beverly Blakeney Dejarnett
CSPG Special Publications
... as the basal unconformity on top of the Lower Morrow Limestone. The V-7 valley fill (5144–5179 ft.) is composed of fine-grained trough cross-stratified...
1997
Geotechnical Engineering Investigations of the Highland Tower Condominium Collapse, UIu Kelang, Selangor
Nik Ramlan b Nik Hassan
Geological Society of Malaysia (GSM)
... the Condominium had collapsed. Along stretches where the drains were intact, sediment and vegetation had blocked the smooth flow of surface runoff...
1995
Is Drilling in Deepwater Gulf of Mexico Uncorking Bad Genies?
Paul Aharon
GCAGS Transactions
... and sampling in 1993 and 1997 on the flat-top mound straddling the boundary between Garden Banks blocks 382 and 338 (Fig. 2) have indicated ongoing...
2003
A Deep Learning Workflow for Integrated Geological, Petrophysical, and Geomechanical Interpretation
Vanessa Simoes, Atul Katole, Bhuvaneswari Sankaranarayanan, Tao Zhao, Aria Abubakar
Unconventional Resources Technology Conference (URTEC)
..., to define a top and bottom filter, where the interval containing predominantly flag points are identified and filtered out. URTeC: 4040968 5 Log...
2024
Unlocking Lithium Potential from Oilfield Brines: A Deep Learning-Driven Resource Assessment
Rajkanwar Singh, Saaksshi Jilhewar, Audrey Der, Ryan Mercer, Vikram Jayaram
Unconventional Resources Technology Conference (URTEC)
... benchmarked using rigorous cross-validation and external validation to ensure robustness. The CNN model emerged as the top performer with an accuracy of 96...
2025
Boulder Barricades in Central Labrador
Peter S. Rosen
Journal of Sedimentary Research (SEPM)
... of the sedimentary intertidal zones in central Labrador consist of steeply-sloping uplifted marine clays with the top surface planed-off to a low gradient...
1979
Authigenic Euhedral Megaquartz Crystals in a Quaternary Dolomite
Henry S. Chafetz, Jilin Zhang
Journal of Sedimentary Research (SEPM)
... view of the top area in E, which shows a well-developed splay of slightly divergent euhedral quartz crystals. End_Page 996...
1998
Facies in a Shelf-Edge Delta--An Example from the Subsurface of the Gulf of Mexico, Middle Pliocene, Mississippi Canyon, Block 109 (1)
M. J. MAYALL , C. A. YEILDING , J. D. OLDROYD , A. J. PULHAM , and S. SAKURAI
AAPG Bulletin
... of bed continuity, i.e., flat-lying, intact bedding vs. contorted bedding) were calibrated against core facies. This well data was tied to the three...
1992
Secondary Reservoirs of the Bazhenov and Abalak Formations and the Structure of the Pore Space, #50935 (2014)
N. S. Balushkina, G. A. Kalmykov, R. A. Khamidullin, D. V. Korost, V. Shyshkov, and N. P. Fadeeva
Search and Discovery.com
... Formation, limestones and dolomites of the «KS» bed confined to top of Abalak Formation or bottom of the Bazhenov Formation. Carbonates of the «KS» bed...
2014
California Indians, Artisans of Oil
Susan Fox Hodgson
Petroleum History Institute
... wore out, they were cut away and the intact sides were glued with asphaltum to stone or wooden mortars as storage containers for seeds and meal (Fig...
2003