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The AAPG/Datapages Combined Publications Database
Showing 2,797 Results. Searched 196,426 documents.
Effects of Texture and Composition on Mechanical Behavior of Experimentally Deformed Carbonate Rocks
R. H. H. Hugman, III , Melvin Friedman
AAPG Bulletin
... and composition on ultimate strength and ductility. Of all the factors considered, weighted mean grain size and microcrystalline carbonate (micrite...
1979
New age constraints on the Late Cretaceous lower Williams Fork Formation, Coal Canyon, Colorado
Jordan T. Walker, Andres Aslan, Rex D. Cole, Matthew T. Heizler
Rocky Mountain Association of Geologists
... with 93 grains yielding a weighed mean age of 74.52 ± 0.11 Ma (1σ analytical uncertainty). 40Ar/39Ar sanidine analyses yielded a younger weighted...
2021
Application of U–Pb detrital zircon geochronology to drill cuttings for age control in hydrocarbon exploration wells: A case study from the Rukwa Rift Basin, Tanzania
Hannah Hilbert-Wolf, Eric Roberts, Bob Downie, Cassy Mtelela, Nancy J. Stevens, and Patrick O’Connor
AAPG Bulletin
...) and the Malawi Rift by at least 8.6 Ma (Ebinger et al., 1989, 1993). The Rukwa Rift Basin preserves a major sedimentary succession (at least 8 km [5 mi...
2017
Natural Fracture Characterisation in a Coal Measure Succession: An Analogue for Coal Seam Methane and Tight Gas Reservoirs
D. Gillam, T. Flottmann, R. Hillis
Petroleum Exploration Society of Australia (PESA)
... in Table 1 shows that sandstone is the most competent and coal is the least competent lithology at Goonyella Riverside (Seedsman 1998). Sequences...
2004
GROWTH-INVARIANT AND GROWTH-INDEPENDENT CHARACTERS IN EQUATORIAL SECTIONS OF HETEROSTEGINA SHELLS RELIEVE PHYLOGENETIC AND PALEOBIOGEOGRAPHIC INTERPRETATIONS
JOHANN HOHENEGGER, ANA IVIS TORRES-SILVA
PALAIOS
... chamberlet length of the jth chamber, and CtLDj ¼ decrease in chamberlet lengths of the jth chamber. At least three chamberlets are necessary for a chamber...
2017
The Reservoir Potential of the Imburu, Toro and Ieru Formations in the Ok Menga Area, PNG
Peter Boult
Papua New Guinea (PNG) Petroleum Convention Proceedings
... Formation over a distance of at least four kilometres with a weighted average porosity of 15% and a permeability of 647md. Eight high permeability beds...
1993
Constraining Temperatures of Formation and Composition of Dolomitizing Fluids In the Upper Devonian Nisku Formation (Alberta, Canada) With Clumped Isotopes
M. Isabel Millán, Hans Machel, Stefano M. Bernasconi
Journal of Sedimentary Research (SEPM)
... δ13C values that display a systematic relationship to the gas–water contact in at least one sour-gas well, indicating an origin related...
2016
Selected Studies in High-Angle Hole Cleaning
Mario Zamora, Paul Hanson
Indonesian Petroleum Association
....: "Investigation of Barite 'Sag' in Weighted Drilling Fluids in Highly Deviated Wells," SPE 20423 presented at the 1990 SPE Fall Meeting, New Orleans, Sept...
1990
A New Pressure Transient Testing Method for Gas Condensate Wells
W. Jatmiko
Indonesian Petroleum Association
... under transient conditions. The total compressibility, Ct is evaluated for the average value using a saturation weighted scheme. Pressure-Saturation...
1998
The Probable Error of Sampling Beach Sand for Heavy Mineral Analysis
W. C. Krumbein, W. C. Rasmussen
Journal of Sedimentary Research (SEPM)
... in some instances at least it is possible to convert probable error data into their newer equivalents. When several errors are present in a study...
1941
Thermoluminescence Ages of Estuarine Deposits Associated With Quaternary Marine Terraces, South-Central California
Glenn W. Berger, Kathryn L. Hanson
Special Publications of SEPM
... Simeon area of south central California A weighted mean TL age of t 95 13 ka for clayey silt underlying marine deposits of the San Simeon Q terrace...
1992
Application of Combined Statistics, Machine Learning, and Game Theory Approach for Shale Gas Production Performance Evaluation: Insights of Frac-hit Timing and Severity
Chunyu Zhang, Yuewei Pan, Wei Ma, Ran Bi
Unconventional Resources Technology Conference (URTEC)
... of the feature 𝑖 is its contribution to the payout, weighted and summed over all possible feature values combinations: |𝑆|! (𝑀 − |𝑆| − 1...
2023
Child Well Performance Predictions
Samaneh Razzaghi, David Bonar, Jerry Tkachyk, Ashley Kalenchuk
Unconventional Resources Technology Conference (URTEC)
..., it was observed that the more direct and simpler spatially weighted cumulative gas production of a group of parent wells predicted child well performance better...
2024
Calcium Carbonate Production by Epibionts on Thalassia in Florida Bay
John E. Nelsen, Jr. , Robert N. Ginsburg
Journal of Sedimentary Research (SEPM)
..., the growth rate of Thalassia varies according to season. From those results, the weighted average annual growth rate is 0.71 mg/blade/day. The average...
1986
Fast Shear Azimuths in the Marcellus Shale from VSP and Crossed Dipole Sonic Data; #42161 (2017)
Steve Horne, David Rampton, John Crowe
Search and Discovery.com
... that a contributing factor to the success of the Marcellus Shale is the presence of natural fracture systems. At least two sets of joints are commonly reported...
2017
Log Evaluation In Wells Drilled for Coal-Bed Methane
Michael J. Mullen
Rocky Mountain Association of Geologists
... forces mud cake into any open fractures or cleats in the coal. When fresh muds are weighted with barite, the mud cake packed in the fractures will also...
1988
Extraction and Interpretation of the Complex Seismic Trace
R. E. Sheriff, M. T. Taner, F. Koehler, D. Frye
Indonesian Petroleum Association
... particularly useful scheme is to use a weighting according to reflection strength, which produces "averaged weighted frequency." Note that the methods...
1977
VSP Guided Reprocessing and Inversion of Surface Seismic Data
R. Gir, Dominique Pajot, Serge Des Ligneris
Southeast Asia Petroleum Exploration Society (SEAPEX)
... reprocessing of surface seismic data and application of the technique to Real Data from offshore South-East-Asia. In example 1, a weighted average...
1988
Regularities of Change of Composition of Casing–Head Gases Along the Stratigraphic Section
S. P. Maksimov, N. A. Yeremenko, A. A. Zhukhovitskiy, N. M. Turkel’taub, T. A. Botheva, R. G. Pankina
Petroleum Geology: A Digest of Russian Literature
... (with t = 20°) is regarded as the weighted average of the proved reserves (Table 2 and Figure 1). It is evident from Figure 1 that regular changes...
1959
Microsoft Word - image2023_final (10).docx
J0381057
International Meeting for Applied Geoscience and Energy (IMAGE)
... define the weighted IOU (wIOU) metrics, the weighted average of the IOU score of each class, to evaluate our models. Figure 4 presents the evolution...
Unknown
Qualitative Seismic Attribute in Drilling Oil and Gas Development Wells, Kerisi Field, Natuna Sea, Indonesia
Yasril Kahar, Vaughn L. Ball, Sunil K. Shalia
Indonesian Petroleum Association
... sands. As a result of this observation, a lambda-rho seismic volume was generated through summation of weighted angle stack reflectivity data...
2008
Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data
A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah
Indonesian Petroleum Association
... as: weighted or scaling factor used to bring forth of component data d into a considered dimension which stabilized the inversion process (Duveneck, 2004a...
2009
Application of Pressure-Derivative Approach to Pressure Buildup Analysis Using Normalized Pseudovariables in Badak and Nilam Field
Hayu Susilo Prabowo, Nico Hadinoto, B. E. Chovanetz
Indonesian Petroleum Association
... of Pressure Cubic spline, hyperbolic, parabolic and weighted mean of the slopes were used to select the best algorithm which removes as much as possible...
1989
The Effect of Hydrodynamics on Production in the Miller Creek Oil Field, Crook County, Wyoming
Roger L. Hoeger
Wyoming Geological Association
.... The majority of water flow will conform to the route of least resistance to flow, but as long as there exists a difference in potentiometric surface across...
1962
Effect of Simultaneous Development of Non-Uniform Strata on the Process of Water Encroachment and on the Final Oil Recovery
M. L. Surguchev
Petroleum Geology: A Digest of Russian Literature
.... Kav = permeability. The average values of permeability of strata and objectives were determined as average weighted according to volume: (1) k...
1963