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The AAPG/Datapages Combined Publications Database
Showing 17,474 Results. Searched 200,691 documents.
Normal Geothermal Gradient in United States
C. E. Van Orstrand
AAPG Bulletin
...Normal Geothermal Gradient in United States C. E. Van Orstrand 1935 78 115 19 1. (January) The objects in preparing this paper have been, first...
1935
Accuracy of Determination of Relative Gravity by Torsion Balance
Donald C. Barton
AAPG Bulletin
... by those torsion balance surveys were more accurate than those by the pendulum. The accuracy of the torsion balance determinations of the gradient has been...
1932
Definition, Identification, and Measurement of Normal and Abnormal Subsurface Pressures
Donald J. Timko, Lloyd C. Fons, William K. Grittman, Forest B. Rees
Houston Geological Society
... and efficient drilling operations. TABLE OF CONTENTS Introduction 21 Definitions 21 Hydrostatic Pressure 21 Pressure Gradient 21 Overburden...
1971
Hydrocarbon Expression on Low-Impedance AVO: A Phenomenon of Amplitude Reversal
W. Waluyo
Indonesian Petroleum Association
... and Class 3. The classification is based on two parameters - P (intercept amplitude) and - G (amplitude gradient). Sandstones in Class 1 have a high...
2002
Fracture Pressure Predictions in Highly Depleted Reservoir: An Approach to Prevent Mud Losses while Drilling in the Mature Tunu Field
Dhanny Fadlan, Roni Herdiyanto, Baginda Saragih, Yasinto Priastomo, Rio Sitorus, Roy Lesmana
Indonesian Petroleum Association
... by empirical method (Zoback, 2007). The Mahakam Delta nowadays also has a similar tectonic condition. In the overpressured zone, fracture gradient...
2016
Forecasting Water Production from Oil and Gas Wells Using Machine Learning Models, a Case Study from the Paradox Basin, Utah; #42593 (2024)
Omar Bakelli, Rohit Ramgire, Eric Edelman, Ting Xiao, Brian J. McPherson
Search and Discovery.com
..., including Gradient Boosting, XGBoost, CatBoost, Linear Regression, Support Vector Regression, Decision Trees, Long Short-Term Memory (LSTM) networks...
2024
Pressure Analysis for Volume Fracturing Well in Tight Reservoirs Considering Dynamic Threshold Pressure Gradient and Stress Sensitivity
Zhongwei Wu, Chuanzhi Cui, Xiangzhi Cheng, Zhen Wang, Yingfei Sui, Xiaoyan Zhao
Unconventional Resources Technology Conference (URTEC)
...Pressure Analysis for Volume Fracturing Well in Tight Reservoirs Considering Dynamic Threshold Pressure Gradient and Stress Sensitivity Zhongwei Wu...
2019
The Effect of High Pressure and Temperature Variations on the Hydraulic of Dual Gradient Drilling Operations Using Lifting Method
Bonar Tua Halomoan Marbun, Hafiz Adi Kurnia
Indonesian Petroleum Association
...The Effect of High Pressure and Temperature Variations on the Hydraulic of Dual Gradient Drilling Operations Using Lifting Method Bonar Tua Halomoan...
2012
Thermal History of the Western Indonesian Basins (Sunda-Asri, Northwest Java, and Southwest Java): Evidence from Fission Track Geochronology of Apatite
Hardjo Basuki Soenandar
Indonesian Petroleum Association
... for which fission tracks have been severely annealed indicates rapid increase in the geothermal gradient from 12 to 20 °C/km in the Sunda-Asri basin...
1997
FACTORS DETERMINING THE THERMAL HISTORY OF A CONTINENTAL BASIN
WILLIAM D. GOSNOLD, JR., YUE CHAIN HUANG
Williston Basin Symposium
...-conductivity, Mesozoic and Cenozoic clastic section. This structure causes a geothermal gradient profile that essentially has two components...
1987
The Value of a Complete Picture: The Role of the Permian Basin in Local and Global Deep-Marine Resource Development
Michael H. Gardner
West Texas Geological Society
... processes contributing to gradient and dispersion modulation of system energy. Subaqueous Flow Process Controls on Reservoir Quality Deposition from...
2009
Laboratory experiments on the depositional styles of deep-water, low-gradient distributary turbidity systems
Juan J. Fedele, Nathan Lentsch, Casey Meirovitz
International Meeting for Applied Geoscience and Energy (IMAGE)
...Laboratory experiments on the depositional styles of deep-water, low-gradient distributary turbidity systems Juan J. Fedele, Nathan Lentsch, Casey...
2022
Tables of Terrane Effects
Donald C. Barton
AAPG Bulletin
.... The gradient and differential curvature produ ed by each of the prisms is calculated by the formula for a vertical concentric curvilinear prism in cylindrical...
1929
ABSTRACT: Some Comments on the Interpretation of Coalification Profiles
M. Reinhardt
The Society for Organic Petrology (TSOP)
... have been published. This paper makes comparable more than 140 profiles from all over the wond using their coalification gradient. Mer some methodical...
1992
Nature of Anomalously High Formation Pressures in Meso-Cenozoic Sediments of the Eastern Cis-Caucasus
A. G. Durmish’yan, V. D. Aslanov, B. L. Aleksandrov, T. R. Rakhmanov, F. G. Sharafutdinov
Petroleum Geology: A Digest of Russian Literature
.... For pools in platform areas (Fig. 1b) at depths of 3200-4200 m the average gradient of pressure is 0.105 atm/m, whereas for pools of folded terranes (Fig...
1977
Characteristics of the Thermal Regime of the Central Part of the Kura Depression
A. N. Pil’chin, K. M. Kerimov
Petroleum Geology: A Digest of Russian Literature
... areas is in the range 0.8-1.2 cal/cm2. s. Geothermal gradient in the upper part of the sedimentary section is 33-37°C/km. Comparison of results...
1979
2013
Selected Occurances of Overpressures in Alaska, by David E. Powley, #60011 (2008).
Search and Discovery.com
2008
Abstract: Coal rank changes in the Sydney and Picton coalfields of Nova Scotia: Cause and economic significance
P. A. hacquebard
Atlantic Geology
... Coalfield the Harbour seam shows variations in the coalif ication gradient of 0.032 to 0.046% Ro/100 m, which compares with a gradient of 0.052...
1983
ABSTRACT: The cleaning potential evaluation of coal resources: A case study from three general exploration areas, Shanxi province, China
Yuegang Tang, Xiaoshuai Wang, Harold H. Schobert, Cortland F. Eble, Chengwei Yang, Yufei Su, Kai Ye, Qingshun Cao, Guohua Liu
The Society for Organic Petrology (TSOP)
.... A cleaning potential gradient is firstly proposed, which indicates the cleaning potential level. The cleaning potential of six coal seams is analyzed...
2019
Abstract: Geopressures and Secondary Porosity in Deep Smackover of Mississippi, by Calvin A. Parker; #90972 (1976).
Search and Discovery.com
1976
Abstract: Form and Composition of Mississippi Fan, by Charles J. Stuart, Charles A. Caughey; #90975 (1976).
Search and Discovery.com
1976
Late Miocene aquifer beneath southwestern Colorado Plateau, a precursor to the Grand Canyon reach of the Colorado River. Part I, apparent evidence: Abstract
Dwight L. Schmidt
Pacific Section of AAPG
... deposits downslope from the Hualapai limestone. (5) A large potential gradient favored a west-flowing aquifer after about 16 Ma when extensional deformation...
2001
Temperature Gradient in Pechelbronn, Alsace: DISCUSSION
Alfred C. Lane
AAPG Bulletin
...Temperature Gradient in Pechelbronn, Alsace: DISCUSSION Alfred C. Lane 1929 1569 1569 13 12. (December) The valuable article by Haas and Hoffmann...
1929