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The AAPG/Datapages Combined Publications Database
Showing 432 Results. Searched 200,619 documents.
Oil Discovery Index Rates and Projected Discoveries of the Free World
L. F. Ivanhoe
AAPG Special Volumes
... added is equivalent to the annual production plus the recoverable reserves at the end of the year, minus the reserves at the first of the year. Natural...
1986
Frontmatter, Table of Contents, Road Logs, Maps: West Texas Geological Society Geology of the Val Verde Basin and Field Trip Guidebook
R. L. Cannon, Roy T. Hazzard, Addison Young, Keith P. Young
West Texas Geological Society
... a thickness of 900 feet, plus or minus, several miles upstream on the Rio Grande. This formation has been called the Devils River limestone in some...
1959
Brazos River Bar: A Study in the Significance of Grain Size Parameters
Robert L. Folk, William C. Ward
Journal of Sedimentary Research (SEPM)
... of the samples collected are unimodal. As shown in figure 2, the relative proportion of the gravel and sand fractions varies TABLE 1. Method of computing...
1957
Conceptual Models for the Prediction of Porosity Evolution with an Example from the Frontier Sandstone, Bighorn Basin, Wyoming
Ronald C. Surdam, Thomas L. Dunn, Donald B. MacGowan, Henry P. Heasler
Rocky Mountain Association of Geologists
... by the monofunctional acid anions (Crossey, 1985; Surdam and MacGowan, 1987). Therefore, in the thermal window of 212 to 266"F, plus or minus 18 F...
1989
Fast Probabilistic Forecasting of Oil Production using Monte Carlo Simulations on Data Driven Acquisition of Decline-Curve Parameter Distributions
V.B.K. Chavali, W. J. Lee
Unconventional Resources Technology Conference (URTEC)
... based on whether this derivative at any point stays consistently in the range of negative unit slope plus or minus tolerance. Depending on the data...
2021
Quantification of thermal conductivity uncertainty for basin modeling
Patrick Elison, Jan Niederau, Christian Vogt, and Christoph Clauser
AAPG Bulletin
..., called the posterior distribution. 4. Take five representative samples from the posterior distribution (mean temperature, plus or minus once...
2019
A Model of Hydrocarbon Generation from Type I Kerogen: Application to Uinta Basin, Utah
J. J. Sweeney, A. K. Burnham, R. L. Braun
AAPG Bulletin
... are given in Table 2, as well as the values of the amount of removed overburden, ZOB, corresponding to a plus-or-minus one-standard-deviation change...
1987
Geological Conditions in Central Kansas
Irving Perrine
AAPG Bulletin
...------------------------------ Manitou limestone 60 feet plus or minus Cambrian: Sawatch sandstone 115 feet plus or minus Pre-Cambrian: Pike's Peak granite. From Pueblo to Mineola...
1918
Entry Road Log - Denver to Glenwood Springs, Colo., via U.S. 40 and 6
J.W. Vanderwilt, J.M. Van Tuyl, B.W. Beebe, A.H. Koschmann, O.L. Tweto, E.S. Shaw, N. Wood Bass
Rocky Mountain Association of Geologists
... of Rlanitou formation next to road. 152.9 Manitou forms prominent brown cliff straight ahead, about % mile and 250 fect plus or minus above highway. 153.0...
1958
Structure and geomorphology of the Duchesne graben, Uinta basin, Utah, and its enhancement of a hydrocarbon reservoir
Alicia Groeger, Ronald Bruhn
AAPG Bulletin
... were located within plus or minus 9 m (2 standard deviations) of the best-fit plane. This residual error included natural variations in bedding...
2001
Oil Exploration in Wyoming
Roy H. Guess
Bulletin of South Texas Geological Society
...” directly or indirectly, and several get lucky each month and win leases in “hot” areas that may bring $20.00, plus or minus, per acre and a five per cent...
1965
IMPRESSIONS FROM THE XXIst INTERNATIONAL GEOLOGICAL CONGRESS
Hans Peter Schaub
Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)
... uncertainty in addition to the usual plus or minus five percent accuracy which affects the determinations themselves. There are few or no measurements...
1961
Cunningham Field, Kingman and Pratt Counties, Kansas
Richard B. Rutledge
Tulsa Geological Society
... a small amount of closure, only twenty feet (plus or minus) on the sea level datum. If the actual amount of folding is referred back to the original dip...
1936
The Morapos Sandstone Member of the MAncos Shale, Axial Basin Vicinity, Northwest Colorado
Howard R. Ritzma
Rocky Mountain Association of Geologists
... of Hamilton. This writer remeasured this interval from the top of the Morapos to the base of the Mesaverde and found it to be 765 feet with an error of 5 % plus...
1959
Surficial Geology of the KAssler and Littleton Quadrangles Near Denver, Colorado
Glenn R. Scott
Rocky Mountain Association of Geologists
... on the colluvium is the early Recent soil; the point typology is like the Archaic culture. CI4 age is 5,780 plus or minus 160 years. 34.2 STOP 9. Post-Piney...
1960
Background Metal Concentrations in Soils in Northern Santa Clara County, California
Christina M. Scott
Pacific Section SEPM
... of Table 1. The standard deviation of each detected metal is shown in the second row. The range, which appears in the next row, is the mean, plus and minus...
1995
South Arkansas Stratigraphy with Emphasis on the Older Coastal Plain Beds
Warren B. Weeks
AAPG Bulletin
... standpoint, is the extensive pre-Gulf truncation of the older sedimentary rocks. Thus, 10,000 feet, plus or minus, of rocks in the southwest corner...
1938
Coal Bed Methane Development - Structure is Still Important
Richard W. Davis
Wyoming Geological Association
.... Figure 5. Total recharge (in/yr) with a base recharge of 0.0 in/yr. Contours at plus and minus 0.0, 0.05, 0.1, 0.5, 1.0, and 5.0. Discharge valves...
2003
Embayed Quartz Grains in Soils and Their Significance
William J. Cleary, John R. Conolly
Journal of Sedimentary Research (SEPM)
... is plus or minus 5 percent for 90 percent of the point count analyses. STABILITY OF QUARTZ IN SOILS Theoretical and experimental evidence of silica...
1972
Integrated Reservoir Evaluation as a Means for Unlocking Maximum Resource Value in an Unconventional Reservoir: Niobrara Formation, DJ Basin, Colorado; #110168 (2013)
Marshall Deacon and Robert Lieber
Search and Discovery.com
.... The probable significance of having a forward -looking GAAP balance sheet is estimated to be a variance of plus or minus 10 percent of the forward...
2013
Blockchain in Industry 4.0 - How the Oil and Gas Industry is Utilizing these Emerging Technologies; #70396 (2019)
Mike A. Bingle-Davis
Search and Discovery.com
... and Gas, Casper, WY ([email protected]) Abstract Industry 4.0 is now an accepted term for the ten (plus or minus) technologies...
2019
Fluid evolution in fracturing black shales, Appalachian Basin
John N. Hooker, Joe Cartwright, Ben Stephenson, Calvin R. P. Silver, Alexander J. Dickson, and Yu-Te Hsieh
AAPG Bulletin
... was estimated from repeat analyses of individual samples as plus or minus 0.2‰ (1 standard deviation [S.D.]). Organic matter contained within bitumen...
2017
Generation of Oil in Rocks by Shearing Pressures: II. Effect of Shearing Pressures on Oil Shales and Oil-Bearing Rocks
J. E. Hawley
AAPG Bulletin
... 80-mesh was placed in 1½-inch lengths of either copper or steel pipe, made from the same tubing as that used in the first method. Copper plates, 1/16...
1929
Cenozoic Palinspastic Reconstruction, Paleogeographic Evolution and Hydrocarbon Setting of the Northern Margin of South America
James L. Pindell, Roger Higgs, John F. Dewey
Special Publications of SEPM
... or minus rotation as in Figure 4, following arguments in text. Figure 10 plus or minus rotation as in Figure 4 following arguments in text Figure 10...
1998
Subsurface Stratigraphic Analysis "Cherokee" Group (Pennsylvanian), Northeast Cleveland County, Oklahoma
Michael Anthony Albano
Oklahoma City Geological Society
... is however recorded (Plate VIII). This is followed by a plus and minus value representing the estimated thickness of the lower Skinner sand based...
1976