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 33,054 Results. Searched 195,354 documents.
AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction
David W. Bell
AAPG Special Volumes
...) indicates a reduction in interval velocity. A decrease in slope (toward the horizontal) indicates an increase in interval velocity. A sharp slope...
2001
Petroleum Geologist and Exploration Geophysicist: Co-Ordination and Seismic Velocity
John D. Hale
CSPG Bulletin
... some effect on the velocity gradient. Examples are volcanic basalt flows and chert zones. 6. The presence of an extremely porous layer within...
1956
Production Modeling for Velocity String Applications in Unconventional Wells
Suat Bagci, Tina Chang
Unconventional Resources Technology Conference (URTEC)
.... The effect of velocity string size and length on the performances of ESP and gas lift installed wells were studied. Gas slugging behavior was reduced...
2019
A Steady-State Approach for Surge and Swab Pressures Calculation of Herschel-Buckley in Directional/Horizontal Wells
Search and Discovery.com
N/A
Abstract: Migration Velocity Analysis of Incomplete Data Using LSPSM CIGs; #90174 (2014)
Abdolnaser Yousefzadeh, John C. Bancroft, and Gary F. Margrave
Search and Discovery.com
...ion. Same improvement achieved with using common offset CIGs (Yousefzadeh et. al., 2011). To see the effect of the velocity accuracy on LSPSM, consider a ...
2014
A Comparison of Depth-Conversion Methods in the Gulf of Mexico
Melvan D. Carter, Gary R. Hyatt
GCAGS Transactions
... the simplest constant-function approach to the "layer-cake" method to an average-velocity technique based upon seismic velocities, each method has...
1990
AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods
Alan R. Huffman
AAPG Special Volumes
... by the slow decrease in the velocity gradient with depth. The other class of abnormal pressure mechanisms is not associated with the compaction process...
2001
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)
.... In this paper, the dynamic threshold pressure gradient and permeability modulus are respectively utilized to characterize the low-velocity non-Darcy flow...
2019
Combined Geophysical Methods for Investigating the Border Area of the Kamsko-Kinel Depression
Yu. A. Byakov, S. A. Shikhov
Petroleum Geology: A Digest of Russian Literature
... horizontal gradient with graphs of effective velocity for a reflecting horizon located below the clastic unit. On six profiles for which data...
1963
Section 2: Improvement of Seismic Images of Complex Tectonic Structure in Deep Water with Research-Level Processing Sequences
John Miller and Roland von Huene
AAPG Special Volumes
... a time- and space-varying velocity model along the line. 4. NMO--removes the effect of the source-receiver separation by using the NMO equation...
1986
Geoscience Applications to Economic Development of a Relatively Shallow, Low Gravity, Structurally Complex Eagle Ford Oil Development, Atascosa County, Texas
Lee Billingsley, Bill Layton, Luke Finger
GCAGS Transactions
.... Velocity values based on the drilling and geosteering of nine, widely spaced horizontal wells indicates that velocity is faster near the downthrown...
2016
Delineation of Jonah field Using Seismic and Sonic Velocity Interpretations
Ronald C. Surdam, John Robinson, Zun Sheng Jiao, Nicholas K. Boyd III
Rocky Mountain Association of Geologists
... detail the horizontal and vertical distribution of velocity anomalies associated with Jonah Field. Interpretation of these velocity anomalies...
2001
Mapping with Two-Dimensional Seismic Data: Part 7. Geophysical Methods
I. R. Gordon
AAPG Special Volumes
... that you deem appropriate. OTHER TYPES OF MAPS Velocity Gradient Maps A velocity gradient map is constructed at an intermediate step between...
1992
Abstract: Multiattributes and Seismic Interpretation of Offshore Exploratory Block in Bahrain A Case Study; #90254 (2016)
Suresh Thampi, Aqeel Ahmed, Yahya Al-Ansari, Ali Shehab, Ahmed Fateh, Anindya Ghosh, and Ghada Almoulani
Search and Discovery.com
... logs show an oil-water contact in the Jurassic Arab zone, which was confirmed by an oil gradient from reservoir pressure points. A quick post drilling...
2016
Seismic Velocity Variations in San Joaquin Valley, California
Walter S. Olson
AAPG Bulletin
... of the horizontal or geographic gradient of velocity. Knowledge of the possible effect has of course been common for a long time. Westby (FOOTNOTE 3...
1941
Seismic Depth Interpretation in Thrustbelts, by Nancy House, #40131 (2004).
Search and Discovery.com
2004
The Preparation of Seismic Depth Maps in Oil Exploration
A. E. Pallister
CSPG Bulletin
... of three components: 1, the velocity gradient across the area; 2, differential erosion on the Paleozoic surface; and 3, actual structure of the reflecting...
1960
Advances in Depth Imaging Technology: Rock Physics Guided Migration of Seismic Data in 3D
Nader C. Dutta, Sherman Yang, Jianchun Dai
Indonesian Petroleum Association
... Vnmo 1 2 (4) Here, Vh is the horizontal velocity, V0 is the vertical velocity and Vnmo is the surface seismic normal moveout velocity. Further...
2012
ABSTRACT: Deepwater Depositional Phase Diagram: A Strategy for Predicting the Architecture of Deepwater Reservoirs Considering Slope Gradient and Clay Percentage; #90061 (2006)
Tim R. McHargue
Search and Discovery.com
... and then to erosional bypass; this is predicted by a leftward, horizontal path through the diagram. Conversely, the effect of decreasing gradient produces...
2006
Experimental Evaluation of a Generalized Suspended-Sediment Transport Theory
Guy Gelfenbaum, J. Dungan Smith
CSPG Special Publications
... horizontal velocity and thus zero horizontal momentum. Eventually, the particle accelerates until it has the same horizontal velocity as the surrounding...
1986
Chapter Ten-part 2: Depth Conversion
Leslie R. Denham, Dave K. Agarwal
AAPG Special Volumes
... velocity gradient, when all isovelocity surfaces are horizontal. This was first published by Peter Hubral (1977). In other cases, the true position...
2011
The Geophysical Aspects of Abnormal Fluid Pressures
Edward B. Reynolds, John E. May, Alf Klaveness
Houston Geological Society
... of reflection geometry for a velocity analysis. 34 Figure 1c. Examples of velocity analyses from two offshore Louisiana areas. 35 Figure 2. Effect...
1971
Gas Hydrates in Ocean Bottom Sediments
M. K. MacLeod
AAPG Bulletin
... in a localized region. The variables discussed are ocean bottom temperature, geothermal gradient, t ermal conductivity, heat flow, hydrate velocity, gas...
1982
Abstract: Velocity Problems not Related with Thrusting or Salt Tectonics, by O. Ferraris, A. Salinas, M. Koremblit, and D. Soubies; #90933 (1998).
Search and Discovery.com
1998
Seismic Anisotropy VTI Modeling and Mechanical Properties of Kerogen in Gas Shale, #42486 (2020).
Anggoro S. Dradjat, Agus Djamil, M. Firwan Aprizal
Search and Discovery.com
... in both directions called mechanical anisotropy; measuring mechanical response on horizontal stratification is by using seismic P wave velocity...
2020