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The AAPG/Datapages Combined Publications Database

Showing 27,576 Results. Searched 191,010 documents.

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Seismic-Refraction Study of Continental Margin East of Florida

R. E. Sheridan , C. L. Drake , J. E. Nafe , J. Hennion

AAPG Bulletin

... have existed as early as Paleocene time. Besides the changes in relief within the sedimentary section, there are lateral facies changes and velocity...


The Wave Equation Applied to Migration

D. Loewenthal, L. Lu, R. Roberson, J. Sherwood

Southeast Asia Petroleum Exploration Society (SEAPEX)

... of the relative inaccuracy of our velocity information, we will content ourselves with deriving a function B(x, τ), where the depth variable z has been replaced...


Seismic Exploration in Railroad Valley, Nevada

John H. Vreeland, Bert H. Berrong

Rocky Mountain Association of Geologists

... velocity changes which result from these variations can also cause statics problems. SURFACE CONDITIONS At first glance, Railroad Valley appears...


Ranking Influence of Microfabrics and Microporosity on Acoustic Propagation in Unconventional Tight Carbonate Reservoirs

Abdallah Abdelkarim, Mohammed Makkawi

Unconventional Resources Technology Conference (URTEC)

... system, which also affect the later diagenetic setting (Choquette and Pray, 1970). Ultrasonic velocity in carbonate rocks is principally a function...


Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology

Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia

Indonesian Petroleum Association

... elevations of shots and receivers of OBC data, iterative converted-wave velocity (vc) and effective vp/vs ratio (e) analyses and prestack converted wave...


Effect of Froude Supercritical Flow on Fluvial Facies, Geometries and Architecture; #51407 (2017)

Piret Plink-Bjorklund

Search and

... rivers with highly variable discharge displays an abundance or even dominance of Froude supercritical flow deposits. This article shows that Froude...


Serang Field Re-Evaluation

Tom Clark, Joewono Hadiwijoto, Bashir Zagalai, Steve Martinez, Donna Staples

Indonesian Petroleum Association

... structural imaging. Even with 3-D seismic, mapping is a problem due to a lateral velocity anomaly related to a major fault and to lithology variations...


Shallow Crustal Structure of the Solomon Islands Intra-Arc Basins from Sonobuoy Seismic Studies

A. K. Cooper, T. R. Bruns, R. A. Wood

Circum Pacific Council Publications

... to be variable (Cretaceous to Pliocene). Con­ sequently, the basement velocity data give no clue as to the age of the basin. High-velocity sedimentary layers...


Seismic Characterisation of Unconventional Plays in North America

Lee Bell, Mary Edrich, Alvaro Chaveste

Petroleum Exploration Society of Australia (PESA)

... erised discovered and developed more efficiently and the regional and local stress fields. Azimuthal usi ng su rface seismic velocity data...


Abstract: Efficency and Accuracy Enhancement for One-way Wave Equation Migration Through Improved Mapping Function in the Time-shift Imaging Condition; #90171 (2013)

Mark Ng

Search and

...-velocity layer. This error manifests in the form of ‘statics’ in the output commonimage gathers (CIGs) on the order of 2Δz. While the use of variable...


Current Trends in Geophysics

H. E. Stommel, J. M. Graul

Indonesian Petroleum Association

... of interest, we now hope to determine reliable estimates of such rock parameters as velocity, density, and, ultimately, hydrocarbon content. The trend...


Influence of Porosity and Facies of Baturaja Carbonate to the Seismic Wave Velocity: Case Study of Tambun Field West Java

Jarot Setyowiyoto, Bagus Endar B. Nurhandoko, Ariffin Samsuri, Bambang Widjanarko, Thurisina

Indonesian Petroleum Association

...Influence of Porosity and Facies of Baturaja Carbonate to the Seismic Wave Velocity: Case Study of Tambun Field West Java Jarot Setyowiyoto, Bagus...


Physical Properties of Carbonate Reservoirs in South Sumatra

B. Sudewo, A. R. Suhendan, S. Chacko

Indonesian Petroleum Association

... of the physical properties of the Baturaja Limestone from PT Stanvac Indonesia acreage in the South Sumatra Basin: P-wave velocity, density and electrical...


Hydrodynamic Properties and Grain-size Characteristics of Volcaniclastic Deposits on the Mid-Atlantic Ridge North of Iceland (Kolbeinsey Ridge)

Reinhard Oehmig, Hans-Joachim Wallrabe-Adams

Journal of Sedimentary Research (SEPM)

.... Observations concerning different current expositions of central ridge sediments, combined with the parameters of settling velocity distribution, grain...


A Novel Method of Deriving Weathering Statics from First Arrival Refractions

G. W. Hollingshead, R. R. Slater

Pacific Section of AAPG

..., the variable density mode of display was chosen as the most effective means of presenting the early signals on the production reflection records used...


Seismic Imaging Improvements in the Bolivian Fold-and-Thrust Belt Through Psdm

A. Rocha, J. Subia

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... to the client´s office). Once the velocity field/structural behavior was considered to be adequately known, the following jobs were done...


Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance

Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

... analysis focuses on azimuthal changes on either velocity or amplitude. It is obvious that in the field application both HTI and VTI exist...


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...


Experimental and Field Studies on the Genesis of Sandstones

Gerard V. Middleton

Wyoming Geological Association

... are the many studies made on factors affecting the settling velocity of particles, studies by Hjulstrum and Shields on the conditions necessary for the beginning...


Selected Studies in High-Angle Hole Cleaning

Mario Zamora, Paul Hanson

Indonesian Petroleum Association

... beds, (5) velocity profile, (6) velocity, (7) flow regime, (8) rheology, (9) sweeps, (10) pipe rotation, and (11) mud weight. Unique photographs...


Characterization of a Carbonate Mudrock Reservoir by Integrating Sequence Stratigraphy, Sonic Velocity, and Characterization of the Macro- to Micropore Architecture; #41990 (2017)

Beth Vanden Berg, G. Michael Grammer

Search and

...Characterization of a Carbonate Mudrock Reservoir by Integrating Sequence Stratigraphy, Sonic Velocity, and Characterization of the Macro...


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