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 1,747 Results. Searched 200,616 documents.
Observations and Inferences for Overpressure Development under Salt Sheets in the Gulf of Mexico
J. J. O'Brien , I. Lerche , Z. Yu
GCAGS Transactions
..., overpressuring inhibits the compaction process and results in decreased density values and longer sonic transit times for overpressured formations relative...
1993
Observations from Exploration Drilling in an Active Mud Volcano in the Southern Basin of Trinidad, West Indies
Maria Henry, Michael Pentilla, Darrell Hoyer
AAPG Special Volumes
... measured decreased resistivity, lower density, and higher interval transit time (slower velocity) in mud volcano layers relative to intervals...
2010
Importance of Aquathermal Pressuring Effect in Gulf Coast: GEOLOGIC NOTE
Kinji Magara
AAPG Bulletin
.... In their Table 1, the depth (D), the measured pore pressure (P), and the transit-time anomaly (^Dgrt observed - ^Dgrt normal (FOOTNOTE 7); see Fig. 4) values...
1975
Log Interpretation Case Studies: Chapter VIII
George B. Asquith, Charles R. Gibson
AAPG Special Volumes
...) resistivity of the mud filtrate (Rmf) at Tf = 0.017; (3) temperature of the formation (Tf) = 207°F; (4) tma = 44.4 µsec/ft, which is the interval transit time...
1982
Mantle Creep: Elasticoviscous Versus Modified Lomnitz Law, and Problems of "The New Global Tectonics"
Paul S. Wesson
AAPG Bulletin
.... Newton, R. R., 1968, A satellite determination of tidal parameters and earth deceleration: Royal Astron. Soc. Geophys. Jour., v. 14, no. 5, p. 505-539...
1972
Deltas and Sea-Level Change
Szczepan J. Porebski, Ronald J. Steel
Journal of Sedimentary Research (SEPM)
... onto the slope and the basin floor. Many deltas require a strong fluvial drive to attain a shelf transit, though as they approach the outer shelf...
2006
Petroleum Geology of the Bakken Formation Williston Basin, North Dakota and Montana
FRED F. MEISSNER
Montana Geological Society
... characterized by 1) anomalously high gamma-ray radioactivity, 2) anomalously low, but highly variable sonic velocity (high transit time) and 3...
1978
Toward Understanding Over-Pressure in a Basin with Burial and Uplift: Preliminary Results of a Study Measuring Under-Compaction with DT Logs
Paul E. Devine
Unconventional Resources Technology Conference (URTEC)
... with a fixed travel time based on lithology of the section. A key constant for fixing the normal-compaction trend is the transit time value one expects...
2014
Petroleum Geology of the Bakken Formation Williston Basin, North Dakota and Montana
Fred F. Meissner
AAPG Special Volumes
...) anomalously high gamma-ray radioactivity, 2) anomalously low, but highly variable sonic velocity (high transit-time) and 3) either very-high or very-low...
1984
A Guide to Qualitative Interpretation of South Texas Electric Logs
Alvin L. Schultz
South Texas Geological Society Special Publications
... induction-SFL-sonic logs from the two wells being compared. The interval transit time (ΔT) recorded through the porous sand intervals is close to the same...
1986
Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings
F. Sandnes, L. Nustt, S. G. Henry
Indonesian Petroleum Association
... survey technique in which transit times only are measured in order to calibrate the ultrasonic velocity log. Digital recording of the entire seismic trace...
1983
3-D Seismic Investigation of the D Sand Play, Hydrocarbon Saturated Window, D-J Basin, Colorado
Dean R. Gackle, Robert C. Flook, Stewart G. Squires
Rocky Mountain Association of Geologists
... sonic transit times of 65 to 70 microseconds per foot (ms/ft) for the D2 sand, 60 ms/ft for the D3 sand, and 93 ms/ft for the shale within the channels...
2001
Upward and Downward Migrations of Fluids in the Subsurface
Kinji Magara
CSPG Bulletin
.... Figure 1. Shale transit-time t (sh) and bulk density b (sh) vs burial depth. From Hottman and Johnson (1965). End_Page 21...
1969
Critical Parameters in Basin Modeling of Bungamas PSC, South Sumatra Basin
Sena W. Reksalegora, Putri Riadini
Indonesian Petroleum Association
.... The compaction trend is the decrease of transit time through depth in normally pressured section in one single monotonous lithology. Shale is commonly used...
2013
Effects of Pore Pressure and Organic Contents on the Brittle-Ductile Transition in Shale Rock Using Geophysical Method
Qamar Yasin, Du Qizhen, Atif Ismail, GMD Sohail
Unconventional Resources Technology Conference (URTEC)
... this method theoretically sound as it is based on actual rock properties and is readily adaptable to sedimentary rocks. The CARBOLOG method utilizes ∆T (transit...
2016
Aquathermal Pressuring and Geopressure Evaluation: GEOLOGIC NOTES
Stephen R. Daines
AAPG Bulletin
... pressures by measuring differences between interval transit times in adjacent shales and the extrapolated interval transit-time normal trend line...
1982
The Occurrence, Causes and Detection of Abnormal Pressure in the Malay Basin
Indarjit Singh, C. H. Ford
Southeast Asia Petroleum Exploration Society (SEAPEX)
... correlation. With accurate seismic velocity information, an interval transit time profile, called a Pennebaker plot has aided in predicting top...
1982
“Where the Canon Narrowed”
P. K. Hurlbut
Four Corners Geological Society
... on field survey parties. But in the summer of 1964 my recollection of the finding of a transit by a surveyor in the Four Corners Region (that area...
1975
A Method of Estimating Formation Pressures from Gulf Coast Well Logs
Harold H. Ham
GCAGS Transactions
... resistivities End_Page 185------------------------ than normal shales at equivalent depths. From sonic logs, the interval transit times are observed...
1966
Talang Akar (Oligocene) Source Rock Identification from Wireline Logs — Applications in the Deep Ardjuna Basin, Offshore Northwest Java
B. Sukamto, B. Siboro, T. D. Lawrence, S. W. Sinclair
Indonesian Petroleum Association
... interval transit time/interval velocity. The Log Analyst, v. 35 no. 6, 47-59. Meyer, B.L., and Nederlof, M.H., 1984, Identification of source rocks...
1995
New Sand Count Using Core Calibrated UBI™ (Ultra-Sonic Borehole Imager) Data
K. Firmansjah, C. Lombard, F. Mercier, J. L. Chappe, P. Montaggioni
Indonesian Petroleum Association
... leads to a wrong sand determination. b) From Transit Time Data (Figures 15 and 17, Track 5) The UBI™1 transit time image shows another relationship...
1996
Multi-Azimuthal Walkway VSP for Full Azimuth Seismic Calibration
Konstantin Galybin, Anastasia Poole, Michael Giles
Petroleum Exploration Society of Australia (PESA)
... used to provide VTI parameters in this interval. The resultant models (Figure 4, left) minimise transit time residuals (Figure 4, right) for each...
2016
Mineralogy, Diagenesis, and Porosity in Vicksburg Sandstones, McAllen Ranch Field, Hidalgo County, Texas
D. L. Richmann, K. K. Milliken, R. G. Loucks, M. M. Dodge
GCAGS Transactions
... Texas. Calcite is the earliest and the most pervasive authigenic component. Interval transit time data from acoustic logs suggest that cements, which...
1980
THE NATURE OF THE MINNELUSA-OPECHE CONTACT IN THE HALVERSON FIELD AREA, POWDER RIVER BASIN, WYOMING
W. Richard Moore
Rocky Mountain Association of Geologists
... by a shale sequence with internal correlations and decreasing transit times u p wards. This upwards decrease in transit time is seen in all wells and is very...
1983
Estimating Organic Maturity from Well Logs, Upper Cretaceous Austin Chalk, Texas Gulf Coast
Gregory S. Hinds , Robert R. Berg
GCAGS Transactions
..., but where available, the transit times also seem to respond to shale rather than organic content. Water Saturation The values of true resistivity...
1990