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The AAPG/Datapages Combined Publications Database

Showing 20,638 Results. Searched 200,621 documents.

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Compaction and Migration of Fluids in Miocene Mudstone, Nagaoka Plain, Japan

Kinji Magara

AAPG Bulletin

... that the formation resistivity factor, F, is related to porosity: EQUATION (6) where m is the cementation factor. If Rw and m are known for each depth, ^phgr...

1968

AVO Analysis of a Pennsylvanian Age Channel Sandstone in the Arkoma Basin, Oklahoma

Eric Kubera

Oklahoma City Geological Society

... that of the near offset trace. Figure 6a shows an incident and a reflected ray from a relatively short offset (small angle of incidence = 0). The equation...

1997

Seismic and Borehole Evidence For Important Pre-Laramide Faulting Along the Axial Arch in Northwest Colorado

Donald S. Stone

Rocky Mountain Association of Geologists

... to the Jurassic Curtis Formation by the operator and therefore considered “thrust intersplays” (see Ray et al, 1983). However, this interpretation results...

1986

Effects of Variations in Subsidence and Sediment Supply on Parasequence Stacking Patterns: Chapter 14: Recent Developments in Siliciclastic Sequence Stratigraphy

F. L. Wehr

AAPG Special Volumes

... stacking patterns. VARIATIONS IN SUBSIDENCE RATE Figure 2 shows a series of synthetic RSL curves derived from equation (1) by adding a range of linear...

1993

Dynamics of Permeability Changes in CO2 Saturated Brine Injection: An Integrated Modeling Approach

Fatemeh Tale, Abdulrahman Abdulwarith, Feiyan Chen, Stephen Drylie, Alastair Crombie, Birol Dindoruk

Carbon Capture, Utilization and Storage (CCUS)

... the Kozeny-Carman equation coupled with the implicit finite difference method. Experimental procedures were carried out to validate the model output...

2025

An Integrated Multi-Analysis Procedure That Qualifies DHI’s: A Case History in the Louisiana Hackberry Trend

Russell Hoopes, W. M. Aber, Jr.

Bulletin of South Texas Geological Society

... is reprocessed with particular emphasis on velocity analysis, geometry and static corrections. Whenever necessary specialized wavelet processing, noise...

1990

Unlocking Gas Potential in Deep Shale by Advanced Pulsed Neutron Logging Behind the Casing: Case Study in Sichuan Basin, China

Shi Fang, Zuo An Zhao, Kai Xuan Li, Yue Wang, Jin Long Wu, Xian Ran Zhao, Hui Geng Li

Unconventional Resources Technology Conference (URTEC)

... shale with a burial depth of more than 3500m has recently become a new hotspot for marine shale gas exploration and development in China. However...

2024

Mexico: Maximus Survey: Opportunities in Deepwater Gulf of Mexico

Jeroen Hoogeveen, Jeniffer Masy, MCG, Geoex

GEO ExPro Magazine

... salt and revising the salt picks where needed. These 2D velocities were used to build a pseudo 3D velocity model which avoided depth-velocity mis-ties...

2020

Lithological, petrophysical, and seal properties of mass-transport complexes, northern Gulf of Mexico

Nan Wu, Christopher A.-L. Jackson, Howard D. Johnson, and David M. Hodgson

AAPG Bulletin

... and are more resistive than lithologically similar (i.e., mudstone-dominated) slope deposits occurring at a similar burial depth; (3) MTC velocity...

2021

Application of Log-Derived Geochemical Properties to Estimate the Gas-Storage Capacity of the Upper Cretaceous Lewis Shale, Sand Wash Basin, Colorado

John H. Doloff, James R. Lancaster

Rocky Mountain Association of Geologists

.... Maximum depth of burial was determined using an equation that was developed from Bond (1984; his Figure 4). RHOb matrix shale and delta-T matrix shale...

2001

Exploring La Luna Formation Unconventional Plays in the Maracaibo Lake Basin, Through 3D Modeling Based on Acoustic Seismic Inversion

Jose Mendez, Carlos Lobo, Ronny Movil, Carlos Alcantara, Luis Yegres, James Brown

Unconventional Resources Technology Conference (URTEC)

... thickness around 330 ft (105 m) and depth range between 9000 – 12000 ft. In addition, several zones with a high fragility index ranging from 0.54...

2023

Seismic-based paleoenvironmental analysis of the Paleocene carbonate shelf in Ajdabiya Trough, north-central of Libya

Abdeladim M. Asheibi

Bulletin of Canadian Energy Geoscience (CEGA)

.... Geophysics, v. 49, p. 550–565. Cooke, D.A. and Schneider, W.A. 1983. Generalized linear inversion of reflection seismic data. Geophysics, v. 48, p. 665–676...

2023

Permeability Estimation of a Middle-East Tight Gas Sand With NMR Data

Stacey M. Althaus, Jin-Hong Chen, Jilin Zhang, Fahd Almalki, Mohammad Delshad, Qiushi Sun, Ali Al-Shawaf

Unconventional Resources Technology Conference (URTEC)

... Number (2) Timur-Coates equation (Free-fluid model)     BVM       c   BVI  m k NMR n (1) Where kNMR is calculated permeability, ϕ...

2017

A Comparison of Air Photograph and Computer Simulated Wave Refraction Patterns in the Nearshore Area, Richibucto, Canada and Jervis Bay, Australia

Edward A. Bryant

Atlantic Geology

... linear theory for progressive periodic waves which assumes a small wave steepness, a constant depth and a wave period which is a constant unique function...

1974

Developing a robust geologic conceptual model using pseudo 3-D P-wave seismic reflection data

Adrian D. Addison, Michael G. Waddell, Camelia C. Knapp, Duke T. Brantley, John M. Shafer

Environmental Geosciences (DEG)

.... Although part of the linear trend may be caused by the depth conversion contouring in ArcMap, we believe that this feature is geologic because...

2009

Synthetic time-lapse FWI analysis for designing cross well seismic survey during CO2 injection in a depleted oil field

Toru Taira, Takuji Mouri, Ayato Kato, Yusaku Konishi, Takashi Akai, Shotaro Nakayama

International Meeting for Applied Geoscience and Energy (IMAGE)

... the feasibility. In this field, the P-wave velocity reduction associated with CO2 injection was predicted to be as small as 3.2% in the most likely case. Despite...

2022

Arun Field--Indonesia North Sumatra Basin, Sumatra

Clifton F. Jordan Jr., Mardhan Abdullah

AAPG Special Volumes

... reef associated with a shallow low velocity anomaly, North Sumatra: Proceedings of the Indonesian Petroleum Association, Fifteenth Annual Convention, p...

1992

Permeability characterization of natural compaction bands using core flooding experiments and three-dimensional image-based analysis: Comparing and contrasting the results from two different methods

Shang Deng, Lin Zuo, Atilla Aydin, Jack Dvorkin, and Tapan Mukerji

AAPG Bulletin

..., Petrophysical study of faults in sandstone using petrographic image analysis and x-ray computerized tomography: Pure and Applied Geophysics, v. 143, p. 181–201...

2015

Evolution of Porosity and Permeability in the Lower Cretaceous Travis Peak Formation, East Texas (1)

SHIRLEY P. DUTTON and TIMOTHY N. DIGGS

AAPG Bulletin

...------------------------------ exists at any given depth; the 95% prediction interval about the linear regression line of log porosity is shown in Figure 4. At a depth of 10,000 ft (3050...

1992

Full Wave Acoustic Logging: Some Examples

John W. Minear

Southeast Asia Petroleum Exploration Society (SEAPEX)

... of penetration through a low-velocity, damaged zone is illustrated in Figure 3. Figure 3. Depth of penetration of acoustic rays around a damaged borehole...

1984

Thermal conductivity and radiogenic heat production of sedimentary and magmatic rocks in the Northeast German Basin

Ben Norden, Andrea Frster

AAPG Bulletin

... approach developed by Bcker and Rybach (1996) uses a linear relationship between natural total gamma-ray logs from industrial exploration (in API units...

2006

Higher Trace Density Recording for Foothills 3D Surveys

R. Malcolm Lansley

Search and Discovery.com

... reflection energy or noise; and second, enhanced statistics improves many processing steps including, but not limited to, deconvolution, statics, velocity...

Unknown

Higher Trace Density Recording for Foothills 3D Surveys

R. Malcolm Lansley

Search and Discovery.com

... reflection energy or noise; and second, enhanced statistics improves many processing steps including, but not limited to, deconvolution, statics, velocity...

Unknown

Imaging of Subsurface Velocity Structure on Volcanic Area of South East Java: An Application of Passive Seismic Ambient Noise Tomography for Sub-Volcanic Hydrocarbon Exploration

Pongga Wardaya, Erlangga Septama, Vida Irine Rossa, Richie Rahmat Pratama, Rusalida Raguwanti

Indonesian Petroleum Association

... velocity profile through an inversion technique. From the inversion result we obtain the subsurface swave velocity structure down to a depth of 6 km...

2021

High-Temperature Geothermal Well Logging Techniques in Japan

Toshinobu Itoh

Circum Pacific Council Publications

... o u s flow, caliper, a n d borehole sampler); 7) neutron g a m m a ray log-caliper (differential gamma ray); and 8) density g a m m a ray log-caliper...

1982

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