Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 50,163 Results. Searched 195,387 documents.
Geologic Significance of Doonerak Structural High, Central Brooks Range, Alaska
J. T. Dutro, Jr. , William P. Brosge , M. A. Lanphere , H. N. Reiser
AAPG Bulletin
...) and Lanphere and Dalrymple (1971). The argon analyses were made on a Nier-type 15-cm-radius rare-gas mass spectrometer. The plus-or-minus value assigned each...
1976
A Non-Destructive Core Analysis Technique Using X-Rays
Seymour R. Baker, Gerald M. Friedman
Journal of Sedimentary Research (SEPM)
... with the distortion equation. Limitations of Scaling Analysis An error in accuracy of plus or minus 2 cm or less is to be expected in the scaling...
1969
Source Beds
Parker D. Trask, H. Whitman Patnode
AAPG Special Volumes
... of the relationship for all regions combined are designated by series of plus and minus marks. One mark suggests a slight relationship, two marks...
1942
Dipole-Dipole Electrical Resistivity Surveys of Waste Disposal Study Sites at Hill Air Force Base, Utah
Howard P. Ross, Phillip M. Wright, Claron E. Mackleprang
Utah Geological Association
... apparent resistivity values are matched to within plus or minus 10 percent by almost all the computed model values. Figure 2. Pseudosection plot...
1989
Characterization of Five Unconventional Diatomaceous (Opal-A) Reservoirs, Monterey Formation, San Joaquin Valley; #11090 (2018)
Dave Larue, Chris Hager, Tom Merrifield, Gena Evola, David Crane, Phil Yorgensen
Search and Discovery.com
... Average whole or sidewall core data (star) plus or minus 1 standard deviation. -OPAL A HAS BEST POR AND SO -OPAL CT HAS WORSE POR AND SO (But some...
2018
Holocene Sedimentation Patterns on the Continental Shelf Near Monterey Bay, California, As Determined by Multivariate Analysis of Heavy Mineral Point Count Data
Melvyn L. Rappeport
Pacific Section SEPM
... compositions after zero-mean transformation complete association. The plus or minus reflect the vector association of the factors. The results...
1976
Gravity Field of Kuwait and its Relevance to Major Geological Structures (1)
WARIS E. K. WARSI
AAPG Bulletin
... base-station value of 979,251.06 mGal (1 mGal = 0.001 cm/sec/sec) (Warsi, 1988). A maximum error of plus or minus 0.15 mGal is estimated...
1990
Stratigraphy of Waller and Harris Counties, Texas
R. L. Beckelhymer
AAPG Bulletin
... (FOOTNOTE 13). In Waller and Harris counties, it is well developed having a thickness of 750 feet plus or minus. The top is usually recognized where the blue...
1946
Gauging the Confidence in Publicly Reported Oil and Gas Reserves: Introducing the Reserves Confidence Metric (RCM)
Don McMillan
Australian Petroleum Production & Exploration Association (APPEA) Journal
... (Prospect, Lead, or Play project levels), the Prospective Resource has a best estimate plus or minus a quantity, indicating a range of uncertainty from...
2017
Reevaluation of thermal maturity and stages of petroleum formation of the Mississippian Barnett Shale, Fort Worth Basin, Texas
M. D. Lewan, and M. J. Pawlewicz
AAPG Bulletin
... lubricant beads, wood debris, and other low-density contaminants. Solid line denotes unity agreement, and dashed lines represent plus and minus 10% deviations...
2017
Direct projection of remaining potential from historical discoveries
Kenneth C. Hood, Ian M. Longley, Paul Ventris, and Jerry Jarvis
AAPG Bulletin
... represent plus and minus one complexity level with associated slope and starting point changes from the initial designation. For reference, the current...
2023
Preliminary Geochemical and Petrographic Analysis of Lower Eocene Fluvial Sandstones in the Rocky Mountain Region
James D. Vine, Elizabeth B. Tourtelot
Wyoming Geological Association
...). The limits of confidence by this method are similar to those for the six-step visual spectrographic method; precision of a reported value is about plus...
1970
Geochemistry of Los Angeles Basin Oil and Gas Systems: Chapter 6
Alan W. A. Jeffrey, Hossein M. Alimi, Peter D. Jenden
AAPG Special Volumes
... components were measured with a relative precision of plus or minus 3% (1 ). The average analytical total of 97.3% reflects the fact that water vapor...
1991
Kurau: An Example of the Low-Relief Structural Play in the Malacca Strait Psc, Sumatra, Indonesia.
Sunu H. Praptono, Rovicky Dwiputro, Ian M. Longley, Richard W. Ward
Indonesian Petroleum Association
... in surveying absolute vertical elevations in the deviated wells. This last source of error is typically plus or minus 15 feet at the level of the top Lower...
1991
Recommendations for the Proper Handling of Cores and Sedimentological Analysis of Core Sequences
Charles T. Siemers, Roderick W. Tillman
Special Publications of SEPM
... as the logging tool is pulled up the hole during logging runs. Core and log depths commonly require a correction of plus or minus 5 to 10 feet and may...
1981
Resource Development/Utilization: Uranium In-Situ Leaching in the Tertiary Deposits of South Texas
Geoffry G. Hunkin
Houston Geological Society
... to plus-or-minus one foot; the survey should be tied to a reliable base and co-ordinates established. Ground-water levels should be carefully recorded...
1977
Ostracode Shells as Indicators of Thermal History
Mervin Kontrovitz
GCAGS Transactions
... and can be used to do so with an accuracy of plus or minus 15°C. Presumably, there could have been better resolution if the temperature increments had...
1987
Cretaceous Time Scale from North America
Marvin A. Lanphere , David L. Jones
AAPG Special Volumes
...-Triceratops bentonites. The plus-or-minus values are the standard deviations of the pooled ages. Some data for early Tertiary rocks assist in bracketing...
1978
Stratigraphic Organization of Late Pleistocene Deposits of the Western Part of the Golfe du Lion Shelf (Languedoc Shelf), Western Mediterranean Sea, Using High-Resolution Seismic and Core Data1
Michel Tesson, Henry W. Posamentier, and Bernard Gensous
AAPG Bulletin
... two-way traveltime) below the sea floor. Seismic data were acquired at 5 knots ship speed. Navigation was based on GPS (accuracy of plus or minus 100 m...
2000
A Meaningful Correlation between Shallow Seismic Refraction Data to Borehole Data in Site Investigation Work
Samsudin bin Hj Taib, Ahmad Nizam Hasan
Geological Society of Malaysia (GSM)
... seismic data has been obtained on one seismic spread while the Sungai Buloh site, on two seismic spreads. Procedure like the plus-minus and delay time...
2002
Using Fluid Inclusion Salinity Data to Reduce Uncertainty in Petrophysical Sw Calculation New Application of an Old Technique in Unconventional Reservoirs
Benedek Gál, Zsófia Poros, Edwin Ortega
Unconventional Resources Technology Conference (URTEC)
... under study. Furthermore, we prove the method valid over a wide range of salinities (50-200 ppk NaCleq) and in cases where inclusion salinities...
2020
Identification of Third (10(6) yr) and Fourth (10(5)/10(4) yr) Order Stratigraphic Cycles in the Louisiana Offshore
Allen Lowrie , Patricia J. Meeks , Karen Hoffman
GCAGS Transactions
... in the basin center, is dated as 1.5 Ma, based on the extinction of Angulerigina B; the uncertainty is a plus/minus 100,000 yr (John Dunlap, personal...
1996
Thermal Histories and Hydrocarbon Generation: Example from Utah-Wyoming Thrust Belt
Dave Deming , David S. Chapman
AAPG Bulletin
... heat flows of 40, 50, 60, and 70 mW/m2, respectively. Error bars on vitrinite reflectance data indicate plus or minus one standard deviation from mean...
1989
Measures for Describing the Size Distribution of Sediments
Douglas L. Inman
Journal of Sedimentary Research (SEPM)
... of the population occurs between plus and minus one standard deviation to either side of the mean (or median, since these FIG. 2. Showing the influence...
1952
Delaware Basin Regional 3D Geo-Cellular Model: Construction and Use
Brian Casey, David Carr, Ray Eastwood, Katie Smye, Shayan Tavassoli
Unconventional Resources Technology Conference (URTEC)
... value for the WFMP-A2 oil-in-place is large (0.573) and can be presented as 83 billion barrels of oil initially-in-place, plus or minus 48 billion...
2022