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The AAPG/Datapages Combined Publications Database
Showing 380 Results. Searched 195,387 documents.
Modeling molluscan marine reservoir ages in a variable-upwelling environment
Kevin B. Jones, Gregory W.L. Hodgins, C. Fred T. Andrus, Miguel F. Etayo-Cadavid
PALAIOS
...) shell radiocarbon ages, which time average seasonal variations, are most useful for chronometry. To investigate seasonal upwelling variations, however...
2010
An Integrated Approach for the Evaluation of Shaly-sands Reservoirs, Offshore Northwest Java
Pierre Berger, Robert E. Crumb
Southeast Asia Petroleum Exploration Society (SEAPEX)
... the results of the Complex Time Average (CTA) method. This method is more refined than the Tpo method since in the CTA method we compute an effective Rmf...
1990
Improving Net Pay Estimation by Identification of Producing Oil Water Contact POWC in Heterogenous Carbonates
Aman Arora, Steven Henderson, George B. Asquith
Unconventional Resources Technology Conference (URTEC)
... (SPHI) which is calculated using Wylie-Time average equation: (3) Where ΔTc is compressional transit time, ΔTma is transit time of the rock matrix...
2021
The Combination of Gas While Drilling, Rate of Penetration, and Petrophysical Analysis for Formation Evaluation
Lia Reulina Ketaren, Fachmy Muhammad Irhamsyah, Arnaz Ayuba
Indonesian Petroleum Association
... average equation 2. Gas Quality Ratio Drilling environment can influence gas data reading significantly. Therefore gas quality control ratio is used...
2018
Landward Migration of Barrier Island Sands Under Stable Sea Level Conditions: Plum Island, Massachusetts
J. Richard Jones, Barry Cameron
Journal of Sedimentary Research (SEPM)
...-term, present-day (surface), day-to-day phenomena and do not time-average the sediment distribution responses to the interaction and cumulative...
1977
Aerial Photographs in Structural Mapping of Sedimentary Formations
L. E. Nugent, Jr.
AAPG Bulletin
... error in feet should not exceed the average number of photographs between control, and the maximum error should not exceed three time the average error...
1947
Abstract: Satellite-Based Augmentation Systems in Stakeless 3D Land Seismic Acquisition Operations, by H.H. Gazaz, #90188 (2014)
Search and Discovery.com
2014
ABSTRACT: Modeling of Seismic Character from Rock Descriptions; #90013 (2003)
Andrew Hurst, Anne Schwab, Bryan Cronin
Search and Discovery.com
... from the mineralogy, porosity and the fluid composition, and interval transit time (Dt) is calculated using Wyllie’s time average relationship using...
2003
Abstract: Late Cenozoic Paleoenvironment and Erosion Estimates for the Northeastern Svalbard/Northern Barents Sea Continental Margin, Norwegian Arctic; #90321 (2018)
Amando Lasabuda
Search and Discovery.com
.../northern margin of the Barents Sea continental margin, related to the mid–late Cenozoic climatic (glacial and paleoceanographic) history. For the first time...
2018
Geologic Considerations for Stratigraphic Modeling and Interpretation: Section 3. Stratigraphic Models from Seismic Data
L. D. Meckel Jr. , A. K. Nath
AAPG Special Volumes
... width. End_Page 421------------------------ in porosity (Fig. 7). Lithology and porosity can be empirically related to velocity by the time-average...
1977
Combined P and S Waves Survey for Hydrocarbon Exploration
Basuki Puspoputro
Indonesian Petroleum Association
... change shape but not the volume (Robinson 1983, Domenico and Danbom 1987). The equation for the P-wave velocity Vp and S-wave velocity Vs may...
1990
Fluid Pressure in Porous Media -- Its Importance in Geology: A Review
P. E. Gretener
CSPG Bulletin
.... Wyllie (1963) has shown that the sonic velocity in a two-phase system can be described adequately by the "time average equation:" (31) where...
1969
Occurrence and Detection of Abnormal Pressures from Geological and Drilling Data, North Sumatra Basin
A. Aziz, L. H. Bolt
Indonesian Petroleum Association
... time to an average of 1,000 ft/million years in the central basin (Fig. 3), reaching a depth of some 20,000 ft. Uplift of the Barisan Mountains...
1984
Flexural and Full Wave Logging Using the Low-Frequency Dipole Sonic
David E. Sharbak
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... of the neutron porosity and the shear wave porosity from an LFD tool. The sonic porosity is computed from the time-average equation and is calibrated...
1994
Removal of Calcium Carbonate Scale in Farida and Zelda Fields, Offshore Southeast Sumatra
Sanders R. Stewart, John Sitinjak
Indonesian Petroleum Association
... and contained 60% of the 68 Maxus wells with less than 100 days ESP run time. The average ESP run time in 1988 was 146 days in Farida and Zelda wells...
1989
Quantification of Connectivity in Images
Yaokun Wu, Siddharth Misra
Unconventional Resources Technology Conference (URTEC)
... from the connectivity function and average travel time derived from fast-marching calculations. The performances of these two connectivity-quantification...
2020
Lithofacies Maps and Regional Sedimentary-Stratigraphic Analysis
W. C. Krumbein
AAPG Bulletin
... thin and commonly nodular.(FOOTNOTE 6) The implications of these lithofacies associations is that during Missouri-Des Moines time, on the average...
1948
Seismograph Interpretation as Related to Changes in Sedimentary Section in West Texas and New Mexico
John Daly , C. N. Page
AAPG Bulletin
..., that is, the highest velocity corresponds with the shortest travel time. The average interval velocity through the Pennsylvanian-Mississippian...
1952
Raywood (Vicksburg) Field, Liberty County, Texas
Claude D. Pressler, Billy E. Penn
Houston Geological Society
... was 3420 psig. In 1955 the pressure declined to an average of 3381 psig. From 1955 to the present time the average bottom hole pressure has varied from...
1962
Abstract: Rock Physical Properties of Kati Formation in Seri Iskandar, Perak
Sufizikri Sahari, Ahmed Mohamed Ahmed Salim, Khairul Arifin Mohd. Noh
Geological Society of Malaysia (GSM)
... correlation with the XRD analysis data which gives out r2 = 0.906 and calculated sonic porosity using Wyllie-time average also gives out the same...
2017
ABSTRACT: Sandstone Exhumation Effects on Velocity and Porosity: Perspectives from the Ferron Sandstone, by R. D. Jarrard and S. E. Erickson; #91021 (2010)
Search and Discovery.com
2010
Determining the Time-Averaged Position of the Turbidity Maximum Zone in Major Paleo-Valleys of the McMurray Formation, NE Alberta
Search and Discovery.com
N/A
Ultra-Low Density Hollow Microspheres-Nitrogen Foamed Cementing Technology in Block Hangjinqi
Search and Discovery.com
N/A
Erosional Current Marks of Weakly Cohesive Mud Beds
J. R. L. Allen
Journal of Sedimentary Research (SEPM)
.... In the experiments of Kline (1967), the average transverse spacing of the streaks was about 2 cm and the length of the streaks was several times this. From time...
1969