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The AAPG/Datapages Combined Publications Database
Showing 612 Results. Searched 195,452 documents.
A Practical Case of Offshore Environment Protection in the Mahakam Area
Paul A. Wiet, Triadjie Poerwanto
Indonesian Petroleum Association
... to be broken and partially severed. The 13 3/8" was said to be visible, broken and tapered off inside the 30". Measurements using calipers showed the 30...
1994
Retrofit Gas Lift System, Unconventional Method to Maximize Hydrocarbon Recovery
Afif, Djabaruddin, Kurniawan Purwoko, Eko Andriyanto, Sylvia Yusim
Indonesian Petroleum Association
... production tubing was run in 7-5/8” x 7” x 41/2” tapered production casing. Production packer was set on the upper casing to isolate A-annulus from tubing...
2016
Distribution and Textural Character of Surficial Sediments, Isles Dernieres to Ship Shoal Region, Louisiana
S. Jeffress Williams , Shea Penland , Ronald C. Circe
GCAGS Transactions
... of Mexico. It is clearly defined by its shore parallel orientation, tapered shape toward the east, and asymmetrical longitudinal profile. The maximum...
1989
Shallow Water Ripple Mark Varieties
William F. Tanner
Journal of Sedimentary Research (SEPM)
... were widely-spaced and crossed simple ripple mark fields at angles of 70° to 110° (fig. 2-E). Each ridge was tapered, having the narrowest portion...
1960
The Shell Method of Impregnating Cores of Unconsolidated Sediments
R. N. Ginsburg, H. A. Bernard, R. A. Moody, , E. E. Daigle
Journal of Sedimentary Research (SEPM)
... for display and loan purposes. Additional Details of Equipment and Materials Aluminum pans.--Two sizes of tapered aluminum pans are used, both of which...
1966
Nautiloids and Current Ripples as Paleocurrent Indicators in Upper Ordovician Limestones, Anticosti Island, Canada
Owen A. Dixon
Journal of Sedimentary Research (SEPM)
... of the tapered shells (fig. 3). Many of the molds are of incomplete shells which, before burial, lost either the thin apical portion or part of the body...
1970
Radial Faulting Above Salt-Diapir Overhangs: Natural Example, and Physical and Kinematic Models
Bruno C. Vendeville, Khaled Fouad, Paul R. Knox
GCAGS Transactions
... thickness, about 1 cm in the center, tapered down to 0.3 cm at the periphery of the overhang. Before deformation started, we buried the silicone...
2003
South Hallettsville Field (Wilcox), Lavaca County, Texas
Stanley M. Leventhal
GCAGS Transactions
..., are not displayed. Volumetric gas reserve calculations for the Konvicka G.U. No. 1, using a conservative 108-acre reservoir size with a tapered sand...
2006
Correlative Light Optical and Scanning Electron Microscopy of Minerals: A Methodology Study
L. P. Wilding, H. D. Geissinger
Journal of Sedimentary Research (SEPM)
... to merge with the base of the ledge in a tapered form. The outline of the upper planar portion of the microcline grain (c) or step cleavage traces (d...
1973
The Growth History of Toe Thrusts of the Niger Delta and the Role of Pore Pressure
Scot W. Krueger, Neil T. Grant
AAPG Special Volumes
...) described and modeled the Niger Delta as a critically tapered sediment wedge. The theory of critical taper wedge mechanics states that once a wedge reaches...
2011
Limestone Response to Stress: Pressure Solution and Dolomitization
Harold Rogers Wanless
Journal of Sedimentary Research (SEPM)
... of a limestone layer between adjacent nodules by microstylolite solution is gradual (tapered) and less than 30 percent in most of the Muav Limestone...
1979
Unusual Phosphate Concretions Related to Groundwater Flow in a Continental Environment
Medard Thiry, Jean Galbois, Jean-Michel Schmitt
Journal of Sedimentary Research (SEPM)
...). All concretions have slightly tapered and rounded ends. The fingers and all the elongated shapes of the concretions have uniform orientation, towards...
2006
Significance of Recently Discovered Cambrian Fossils and Reinterpretation of Neruokpuk Formation, Northeastern Alaska: GEOLOGICAL NOTES
J. T. Dutro, Jr. , W. P. Brosge , H. N. Reiser
AAPG Bulletin
... to the glabella; a relatively short, well differentiated frontal area, an occipital spine, and an unfurrowed, anteriorly tapered glabella. This is most...
1972
Oil and Gas Developments in Michigan in 1985
D. Michael Bricker, William L. Henderson
AAPG Bulletin
..., the shallow Traverse drilling so vigorous in recent years seems to have tapered off. There are doubtless other Traverse prospects to be explored...
1986
Halokinetic sequences and diapiric structural kinematics in the field: Two-day excursion to La Popa Basin, northeastern Mexico
Timothy F. Lawton, Katherine A. Giles, and Mark G. Rowan
AAPG Bulletin
... boundaries of the composite halokinetic sequences to be essentially parallel. Wedge halokinetic sequences stack into tapered composite halokinetic...
2017
Interplay of downbuilding and gliding in salt-bearing rifted margins: Insights from analogue modeling and natural case studies
Pablo Granado, Pablo Santolaria, and Josep Anton Muñoz
AAPG Bulletin
...). Such basal geometry (Figure 2B) produces a tapered model salt basin, which extends for 93 cm from a landward pinch-out to the outer high. The outer...
2023
2006 Gulf Coast Association of Geological Societies 54th Annual Convention, San Antonio, Texas, Abstracts, #90056 (2006).
Search and Discovery.com
2006
Tar Sand Triangle Bitumen Deposit, Garfield and Wayne Counties, Utah; #50883 (2013)
Steven Schamel
Search and Discovery.com
...) is recognized in wells. The oil-water contact (OWC) establishes the western and northwestern down-dip tapered edge of the deposit. The eastern up-dip...
2013
The Three Elements of Structural Geology Part 8, #41849 (2016).
Engelder,
Search and Discovery.com
... 2.2.3 2.2.4 2.2.5 Veins Transitional-Tensile Fracture Shear Failure Friction: Critically Stressed Earth The Tapered Wedge 3.1.1 3.1.2 3.1.3...
2016
GRAVITY MODELING OF PROTEROZOIC STRUCTURES IN NORTH-CENTRAL NORTH DAKOTA.
KATHRYN C. LUTHER
Williston Basin Symposium
... for the large circular gravity high (Fig. 13). The top was modeled as a cone, the bottom as a tapered cylinder. The cone has a bottom radius...
1991
Characterization of Fluvial Sand Bodies in the Neslen and lower Farrer Formations (Upper Cretaceous), Lower Sego Canyon, Utah
Rex Cole
Rocky Mountain Association of Geologists
... bodies may be abrupt or tapered (Fig. 9). The tapered edges are often very calcareous and bioturbated. Single-story sand bodies were probably deposited...
2008
Early Pliocene (5 Ma) shark cetacean trophic interaction from Langebaanweg, western coast of South Africa
Romala Govender, Anusuya Chinsamy
PALAIOS
... is a deeper groove with ridges and grooves caused by tooth serrations. 2. CF2 is a simple groove with tapered end and no trace of serrations. 3. CF3...
2013
A LATE CRETACEOUS SHARK COPROLITE WITH BABY FRESHWATER TURTLE VERTEBRAE INCLUSIONS
DAVID R. SCHWIMMER, ROBERT E. WEEMS, ALBERT E. SANDERS
PALAIOS
... (defined below), with the tapered end presumed to be posterior (i.e., toward the anal direction; Hunt and Lucas 2012). Coprolites from neoselachians...
2015
Biostratigraphy and Lithostratigraphy of Chert in the Franciscan Complex, Marin Headlands, California
Benita Murchey
Pacific Section SEPM
... to 1.80 m sieve size population m f r a c t i o n , the majority being small theoperids with enlarged rounded terminal chambers or closed tapered d i...
1984
New Bivalves, Beichuaniacea, from the Lower Devonian of Sichuan, China
Daoyuan Gu, Xiezhang Liu
CSPG Special Publications
..., wedge-shaped; anterior end broadly rounded; posterior and elongate and tapered. Umbonal ridge prominent, especially dorsally. Shell margin broadly...
1988