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The AAPG/Datapages Combined Publications Database
Showing 4,263 Results. Searched 201,044 documents.
Origin of giant Ordovician cavern reservoirs in the Halahatang oil field in the Tarim Basin, northwestern China
Zhanfeng Qiao, Anjiang Shen, Shaonan Zhang, Anping Hu, Feng Liang, Xianying Luo, Guanming Shao, Yongsheng Wang, Jianxin Zhao, Peng Cao, and Lei Jiang
AAPG Bulletin
... and/or bit drops (Figure 4; Table 1). Three thin sections were prepared for each sample, which were subjected to optical and cathodoluminescence (CL...
2023
Fluid Pressure in Porous Media -- Its Importance in Geology: A Review
P. E. Gretener
CSPG Bulletin
..., E. M., 1951, The dynamics of faulting and dyke formation, 2nd ed.: London, Oliver and Boyd, 206 p. Athy, L. F., 1930, Density, porosity...
1969
Salt Diapirism: Importance of Temperature, and Energy Source of Emplacement
William Carruthers Gussow
AAPG Special Volumes
... on the basis of present knowledge. The average shale density-depth relationship now is known fairly well on the basis of density determinations of cores from...
1968
Hanna of Wyoming—The Rockies’ Deepest Basin
Roger M. Matson, W. Jack Magathan
Rocky Mountain Association of Geologists
.... A, HBV 1-30 well tested commercial gas from 124 ft of lower Lewis sandstone with 10 to 20% porosity and gas-effect neutron-density crossover (darker...
2017
The Application of Seismic Inversion and Resistivity Inversion While Drilling in the Construction of Horizontal Well A Case Study
Yoga Wismoyo, Adjie Setiawan, Fahdi Maula, Frank Fardhu
Indonesian Petroleum Association
... also allows the direct generation of the three rock properties; AI, PR (Poisson’s Ratio) and Density. These are all physical rock properties...
2013
3D Seismic Facies Analysis of a Reefal Buildup: NSO 'A' Field, Offshore North Sumatra
Wayne L. Alexander, Maria R. Nellia
Indonesian Petroleum Association
... Malacca on the density log due to the presence of gas. This density decrease offsets the increase in velocity at the shale/carbonate boundary...
1993
Well Sitting Techniques
Robert W. Waring
Oklahoma City Geological Society
... to record the pump pressure and the amount of weight carried on the bit. Marginal information pencilled by the drillers on the recording sheets also...
1964
Deep, Slim Hole, Diamond Drilling Program Proves Effective for Geothermal Assessment in Hawaii
Harry J. Olson, John E. Deymonaz
Geological Society of Malaysia (GSM)
..., the theoretical maximum depth is over S,180 m (17,000 ft). Hole size drilled with an NQ bit is 7S.7 mm (2.98 inches) in diameter. E. DEYMONAZ SOH-DRILLING...
1993
Measurement of Subsurface Fractures from Dipmeter Logs
E. A. Babcock
AAPG Bulletin
... In the interpretation of Schlumberger 4-arm dipmeter logs, it was observed by Cox (1970) that boreholes are consistently not at bit size in the Wapiabi...
1978
Insights on fracture and karst cavern origin and diagenesis from core observations at Tengiz and Korolev fields, Kazakhstan
Ted Playton, Evan Earnest, Fermín Fernández-Ibáñez, Assem Bibolova, Dana Tolessin, Ilyas Tussupbayev, and Bagdat Toleubay
AAPG Bulletin
... of Collins et al., 2006, 2013; subsequently termed outboard high fracture density [OBH] and outboard low fracture density [OBL] regions, respectively...
2025
Circulation Patterns of Saline Groundwater Affected by Geothermal Heating--as Related to Waste Disposal
H. R. Henry , F. A. Kohout
AAPG Special Volumes
... induce gravity convection currents which are not generally present in shallow constant-density fluid systems. The fate of the waste liquids entrained...
1972
Formation, preservation, and release of overpressure in shale gas reservoirs
Qing He, Tian Dong, Matthew Steele-MacInnis, Zhiliang He, and Dongfeng Hu
AAPG Bulletin
... in barite within the Barnett Shale (United States) fracture veins may result from either density changes of early hydrocarbon inclusions during continued...
2026
Porosity and carbon dioxide storage capacity of the Maryville–Basal sands section (middle Cambrian), Southern Appalachian Basin, Kentucky
J. Richard Bowersox, Stephen F. Greb, and David C. Harris
Environmental Geosciences (DEG)
... from the density log using a multiple-matrix shaly sand model to identify four formation lithologies: muddy sandstone, sandy mudstone, dolomitic...
2019
Assessment of In-situ Proppant Placement in SRV Using Through-Fracture Core Sampling at HFTS
Debotyam Maity, Jordan Ciezobka, Sarah Eisenlord
Unconventional Resources Technology Conference (URTEC)
... before we tabulate these numbers for further analysis. We will now delve a little bit further into the various attributes, or object properties...
2018
Provenance study of Paleocene and Cretaceous clastic sedimentary rocks from the Davis Strait and the Labrador Sea, based on U-Pb dating of detrital zircons
Kristine Thrane
CSPG Bulletin
... to evaluate and display univariant geochronological data using binned frequency histograms and probability density distributions. Computer and Geosciences, v...
2014
Advanced Directional CwD System Pushes Integration Envelope to Elevate Efficiencies and Reduce Costs
Geertjan van Og, Jeroen Burgerhout
Australian Petroleum Production & Exploration Association (APPEA) Journal
... the retrieved bit and reamer – a marked difference between the sacrificial bits required for the commonly used Level 2 (vertical) CwD technique...
2017
AAPG Archie Series, No. 1, Chapter 8: Digital Core Imaging in Thinly Bedded Reservoirs
Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia
AAPG Special Volumes
..., or roughly 16.7 million colors. Color stored in this format is sometimes called 24-bit color. Eight-bit color images are compressed versions of 24-bit...
2006
Application of Precise Acoustic Positioning Techniques During the Development of the Liuhua Field in the South China Sea
John D. Hughes, Nigel C. Kelland
Southeast Asia Petroleum Exploration Society (SEAPEX)
... below the centre of the 26 inch bit. As the bottom of the conductor approached the target, the drill string was lowered to bump the hanging sandbag...
1996
Stratigraphy, Sedimentology and Uranium Potential of Virgilian-Leonardian Strata of the Hollis-Hardeman Basin, Oklahoma and Texas
Bryan Edward Lee
Oklahoma City Geological Society
... 750 electric logs were correlated in the study area, and where well density was sufficient, one electric log per square mile was used (Fig. 3). Ten...
1982
Pennsylvanian Carbonate Facies and Prosity Type in Bird and Amazon Fields, Cheyenne County, Nebraska
James P. Rogers, Mark W. Longman
Rocky Mountain Association of Geologists
... easily on gamma-ray and neutron-density logs (Fig. 3). The “Desmoinesian” marker, as used here, is one of several highly radioactive Pennsylvanian shale...
1988
Analysis Wellore Balloning in Latih Formation, East Kalimantan
Yoppy Setiadi
Indonesian Petroleum Association
... circulation is started due to the additional Equivalent Circulating Density (ECD) and contracted when circulation was stopped. This explained the observed...
2015
Influence of Depositional Facies on Hydrocarbon Production in the Tensleep Sandstone, Big Horn Basin, Wyoming: A Working Hypothesis
Sarah Andrews, Lindi S. Higgins
Wyoming Geological Association
... tabular layers with strongly directional permeability in the eolian section. Tensleep reservoir characteristics may be interpreted from resistivity, density...
1984
Interpretation and Application of Borehole Image Logs in a New Generation of Reservoir Models for a Cluster of Fields in Southern Oman
Ajay Samantray, Martin Kraaijveld, Waleed Bulushi, Laurent Spring
AAPG Special Volumes
...., O. Aibangbe, and C. Kienitz, 2000, Application of azimuthal density while drilling images for dips, facies and reservoir characterizationNiger Delta...
2010
Secondary Reservoirs of the Bazhenov and Abalak Formations and the Structure of the Pore Space, #50935 (2014)
N. S. Balushkina, G. A. Kalmykov, R. A. Khamidullin, D. V. Korost, V. Shyshkov, and N. P. Fadeeva
Search and Discovery.com
... by the drill bit or during core plug extraction. The sub-micromorphology of small fragments of the geological monoliths was also studied under...
2014
The Application of the Lognormal Cumulative Distribution Function (LCDF) for Time-rate Interpretation and Forecasting of Wells in Unconventional Reservoirs
David Waters, Eric Bryan, Dave Symmons, Dilhan Ilk, Thomas A. Blasingame
Unconventional Resources Technology Conference (URTEC)
... as our proposed Lognormal Cumulative Density Function model). Lastly, it is probably worth mentioning that the importance of production forecasting...
2023