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The AAPG/Datapages Combined Publications Database
Showing 2,476 Results. Searched 200,641 documents.
State of the Art in Characterization of Frac Stage Geometry, Skin and Conductivity Using Pressure Leakoff
Mohamed Mohamed, Mazher Ibrahim, Erdal Ozkan
Unconventional Resources Technology Conference (URTEC)
... time function � ∆𝑡𝑡 first few seconds of the pressure decay, a strong water hammer effect is observed due to the sudden change in the injection rate...
2020
Streaked-out Mud Ripples Below Miocene Turbidites, Puriri Formation, New Zealand
P. F. Ballance
Journal of Sedimentary Research (SEPM)
... are silty mudstone. FIG. 7. [Grey Scale] Convoluted ripple structures exposed in plan, showing typical ripple form. Length of hammer head 5...
1964
Successful Remedial of Collapsed Conductor Pipe With Collision Issue in Offshore Jack Up Operation
Aulia Hamdani Feizal, Made Allan Pribadi, Bidner Rivai Hasoloan Sianturi, Ridwan Durachman
Indonesian Petroleum Association
... conductor pipe (CP) was driven vertically by diesel hammer with construction barge prior to rig arrival on the platform. When drilling operations commenced...
2022
Wheeler Gorge Turbidite-Conglomerate Series, California; Inverse Grading
Richard V. Fisher, James M. Mattinson
Journal of Sedimentary Research (SEPM)
.... Hammer rests on large boulder about 1 foot stratigraphically above the contact with unit 5 (to right of hammer; not in picture). Light areas are zones...
1968
Alteration of Sandstone as Revealed by Spheroidal Weathering
M. T. Heald, T. J. Hollingsworth, R. M. Smith
Journal of Sedimentary Research (SEPM)
... though they remain gray in color. The weakened sandstones lack resilience when struck with a hammer and will break down relatively rapidly on exposure...
1979
Origin of Highly Elongate, Calcite-Cemented Concretions in Some Italian Coastal Beach and Dune Sands
Earle F. Mcbride , Gian Clemente Parea
Journal of Sedimentary Research (SEPM)
... concretions. Hammer is 40 cm long. Uncemented sand has been removed by waves. Locality 1. FIG. 4. Layer of densely coalesced vertical concretions at locality 1...
2001
Sedimentary Facies and Depositional Environment of the Middle Devonian Geneseo Formation of New York, U.S.A.
Ryan D. Wilson,, Juergen Schieber
Journal of Sedimentary Research (SEPM)
... depositional conditions for a given facies. Fig. 2. Generalized chronostratigraphic chart for Middle–Late Devonian strata of New York (SHB, Sherburne; ITH...
2015
Geologic Summary of the Big Bend Region
R. A. Maxwell, J. W. Dietrich
West Texas Geological Society
... 600 million years since the beginning of the Cambrian Period, which had a duration of about 100 million years. The chart also shows the succession...
1972
Late Givetian to Early Frasnian Biostratigraphy of Western Canada: The Slave Point—Waterways Boundary and Related Events
W. K. Braun, A. W. Norris, T. T. Uyeno
CSPG Special Publications
... stratigraphy in the Quad Cities area, eastern Iowa- northwestern Illinois. In: Hammer, W. R., Anderson, R. C., and Schroeder, D. A. (Eds.), Devonian...
1988
Landry Formation of Kugaluk N-02 well (Devonian, northern mainland NWT): insight into formation’s boundaries, lithofacies, and stratal stacking patterns
P. B. Kabanov
CSPG Bulletin
... (Elsevier). Becker, R.T., Gradstein, F.M. and Hammer, O. 2012. The Devonian Period. In: The Geologic Time Scale 2012. F.M. Gradstein, J.G. Ogg, M.D....
2014
Sauk Megasequence Deposition in Northeastern Washington, Northern Idaho, and Western Montana
John H. Bush, Robert C. Thomas, Michael C. Pope
AAPG Special Volumes
...) in northeastern Washington. Measured sections and descriptions from the aforementioned theses provided much of the basis for Figure 2, a correlation chart...
2012
Montoya Group Stratigraphy (Ordovician) of Trans-Pecos Texas
Herbert J. Howe
AAPG Bulletin
..., Rock Color Chart, National Research Council, distributed by Geol. Soc. America. GUTSTADT, A. M., 1958, "Upper Ordovician Stratigraphy in Eastern...
1959
Recognition of Facies, Bounding Surfaces, and Stratigraphic Patterns in Foreland-Ramp Successions: An Example from the Upper Devonian, Appalachian Basin, U.S.A.
James W. Castle
Journal of Sedimentary Research (SEPM)
... bed: Marine Geology, v. 4, p. 237-257. BERG, T.M., MCINERNEY, M.K., WAY, J.H., AND MACLACHLAN, D.B., 1983, Stratigraphic correlation chart...
2000
OxfordianBerriasian Stratigraphy of the North American Paleomargin in Western Cuba: Constraints for the Geological History of the Proto-Caribbean and the Early Gulf of Mexico
Jorge L. Cobiella-Reguera, Federico Oloriz
AAPG Special Volumes
...) and International Union of Geological Sciences (IUGS), 2000, International stratigraphic chart: Division of Earth Sciences, United Nations...
2009
Sedimentary Environments in Cretaceous Dakota Sandstone in Northwestern Colorado
Donald W. Lane
AAPG Bulletin
..., Karl M., 1959a, Stratigraphy of the Dakota Group along the northern Front Range Foothills, Colo.: U. S. Geol. Survey Prelim. Chart OC-60, Oil and Gas Inv...
1963
Stratigraphy and Paleoenvironments of Cretaceous Rocks, Mitchell Quadrangle, Oregon
W. D. Wilkinson , Keith F. Oles
AAPG Bulletin
...-Color Chart Committee, 1948, Rock-color chart: Washington, D.C., U.S. Govt. Printing Office, distributed by Natl. Research Council, no pagination...
1968
Thickness trends and sequence stratigraphy of the Middle Devonian Marcellus Formation, Appalachian Basin: Implications for Acadian foreland basin evolution
Gary G. Lash, Terry Engelder
AAPG Bulletin
...: U.S. Geological Survey, Oil and Gas Investigation Chart OC-64.Palsey, M. A., W. A. Gregory, and G. F. Hart, 1991, Organic matter variations...
2011
Salt Weathering Textures in Eocene Conglomerates, Southwestern California
Gary L. Peterson
Pacific Section SEPM
... of trying to break them with a hammer will convince most geologists that salt weathering is a more plausible explanation. What was an intriguing local...
1979
Supporting Oil Drilling Rigs in Indonesian Swamps
Paul M. Reed, Johannes Karundeng
Indonesian Petroleum Association
... the hammer-pile-soil-interaction. Essentially, the hammer and pile elements are modeled by a spring, mass and dashpot system. The soil is modeled by force...
1982
Caledonian Earth Movements in The Vicinity of End Mountain and South Fork Ghost River, Alberta, Canada
J. R. Patterson, T. P. Storey
CSPG Bulletin
... of the hammer. To its left, nearer the thrust plane, the laminated limestone has been replaced by a welded mass of marble. Even the bedding plane which...
1963
Coal Hardness and Rank Relationships of Some Utah and Colorado Coals
B. P. Hucka
Utah Geological Association
... scleroscope in rock testing (Deere and Miller, 1966) and in the construction field, a tester called the Schmidt rebound hammer based on the scleroscope...
1991
Mechanical Index Testing of Unconventional Resource Core
Andrew P. Rathbun, Russell T. Ewy
Unconventional Resources Technology Conference (URTEC)
... to use two commercially-available options, the Impulse Hammer and the Leeb Rebound Hardness tester. The Impulse Hammer drops a small hemispherical...
2017
Geochemical, Mineralogical, and Lithological Linkages in a Thick, Early Permian, Siliciclastic Succession, Midland Basin, West Texas, USA
Helen Hammon, Timothy Prather, Harry Rowe, Pukar Mainali, Mei Matheny, Robert Krumm
Unconventional Resources Technology Conference (URTEC)
... (XRF), X-ray diffraction (XRD), total organic carbon (TOC), nuclear magnetic resonance (NMR), and micro-rebound hammer (MRH). A deterministic model...
2019
Deformed Cross-stratification in Cretaceous Bima Sandstone, Nigeria
Glyn P. Jones
Journal of Sedimentary Research (SEPM)
... of cross-strata disturbance, exposed in stream west of Bambam. Looking N 70°E. Head of hammer is 7 in long. FIG. 4. [Grey Scale] Two deformed cross...
1962
Cretaceous-Tertiary Boundary Stratigraphy near San Antonio, Orange Walk District, Belize, Central America
David T. King, Jr.
GCAGS Transactions
... displaying overall poor sorting and coarse texture. Section AQ2, upper bed. Hammer = 12.5 cm. End_Page 215------------------------ hinge fractures...
1996