How Reliable Is The Negative Anisotropy In Carbonate Rocks? - Offshore East Java Basin Case Study

Jun Wang, Yonghe Guo, Pongga Wardaya, M Afiq B Mokhtar, Riaz Alai, Rizki Krishna Pratama, Haryono Haryanto

Indonesian Petroleum Association

... for Thomsen parameter delta in carbonate zones. The common image gathers (CIG) at the well locations show downward curvature when exact well velocity...

Discussion: Petroleum Developments in Southwest Pacific Region During 1961: GEOLOGICAL NOTES

H. G. Raggatt

AAPG Bulletin

... well velocity surveys could be made. However, in judging the significance of Professor Rudd's comment, it should be noted that the Bureau estimate...

Use of Apple II in Mapping Geology of Coastal Plain of NPR Alaska: ABSTRACT

Thomas G. Payne

AAPG Bulletin

..., and PLOTTER. A control point (sequential file) is a shot point with velocity analysis or a well with velocity check shot survey. Reflection time to and code...

Abstract: Acid-Gas Injection at Watelet, Alberta: An Analogue for the Detailed Characterization of a CO2 Sequestration Site, by Karsten Michael, Beate E. Buschkuehle, and Stefan Bachu; #90039 (2005)

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ABSTRACT: Regional Salt Distribution from 3-D Data Across the South Additions, Offshore Louisiana, by George A. Jamieson; #91019 (1996)

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A Simple Guide to Depth Conversion: Part I

Ashley Francis

GEO ExPro Magazine

... conversion. Well velocity information is obtained from both checkshot data (or better, from more detailed VSP survey first arrival times) and from sonic...

ABSTRACT: Offshore Alaska: Prospect Maturation Techniques in Challenging Arctic Environments; #90125 (2011)

Jaeger, Guenter, Homza, Thomas X., Rosenbladt, Robert L., Prusak, Deanne, Hurst, Clive, Buerkert, Thomas P.

Search and Discovery.com

..., however, revealed that the subsurface velocity field was not so “benign”: The presence of Upper Cretaceous submarine slides as well as velocity anisotropy...

The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana Data—Pulling the Scales from our Eyes; New Truth from Existing Datasets

John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding

GCAGS Transactions

... of the interpolation. Anisotropic PSTM The first normal moveout corrections were performed using well velocity functions and a mechanical apparatus...

Identification of Lateral Facies Trends Using Seismic and Well Velocity Data, South Lokichar Basin Kenya

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Construction of Regionally Correlated Stratigraphic Sections Central Gulf of Mexico

J. Courtney Reed , William E. Sweet , C. L. Leyendecker , Abdul S. Khan

GCAGS Transactions

... the location, well velocity survey subsea depths of the regional stratigraphic horizons in the well and the two-way travel time to these horizons...

Advanced Reprocessing and Imaging: Enhancing Legacy Surveys

Dominic Fell, Shane Westlake, Richard Patenall, Jennifer Badry

Petroleum Exploration Society of Australia (PESA)

..., including the application of a residual well velocity correction. Several of the wells across the Cartier survey exhibited significant vertical...

An Analysis of the Observed Time Discrepancies Between Continuous and Conventional Well Velocity Surveys

P. E. F. Gretener

CSPG Bulletin

... of well velocity surveys, thus making it possible to abandon the conventional survey. Some experiments have been performed to investigate the influence...

The Application of a Linear Increase of Velocity with Depth to Seismic Dip Migration

J. E. Stones

Oklahoma City Geological Society

... be controlled by measuring the actual velocity in the ground. The shooting of a well velocity survey is the most common method used for this purpose...

Abstract: Geophysical Characterisation of the Elk Reservoir, Gulf Province, Papua New Guinea

J. Storey, S. Sioni, M. Kiele

Petroleum Exploration Society of Australia (PESA)

.... The reservoir was discovered in 2006 when the Elk-1 exploration well flowed gas while drilling a structural high identified by the 2D Elk Seismic Survey...

Comparison of Various Depth Conversion Techniques in a Complex Foreland Thrust Belt Setting: Case Study in the North Seram Basin, Banda Arc

Muhammad Nauvall Juliansyah, Bayu Permana Putra, Agung Donurizki

Indonesian Petroleum Association

... data and sparse control from well data. This research performs a comprehensive and regionally extensive depth conversion analysis utilizing velocity...

Discussion

Robert Stoneley

Pacific Section of AAPG

... the coast. These corrections were later confirmed when the results of well velocity surveys became available. The first positive proof, however...

Geophysical History, Brehm Field, Pratt County, Kansas

W. E. Bird

Kansas Geological Society

... an unsolved mystery in the mapping of the Arbuckle level that may be solved only with the aid of extensive well-velocity data. The Brehm field seismic survey...

Continuous Velocity Logging

H. R. Breck, S. W. Schoellhorn, R. B. Baum

Tulsa Geological Society

... logging survey was run in a well in Comanehe County, Oklahoma, on March 6, 1954. This survey was performed by Seismograph Service Corporation of Tulsa...

Combined Diving Wave Refraction Tomography and Reflection Tomography for PSDM Velocity Model Building (Bekapai Field, Indonesia)

Andi Kusuma, Florent Bertini, Jacques Bonnafe, Artem Sazykin, Swee Leng Ng

Indonesian Petroleum Association

... the well information from the survey if shallow well velocity information is available. In our case where no shallow well velocity information...

Seismic Interpretation Problems Caused by Miocene Channels in the Central Part of the Gippsland Basin

T U Maung, S J Cadman

Petroleum Exploration Society of Australia (PESA)

... with the axis of the high velocity channel. The well was dry (Esso, 1965). Recent work has demonstrated that there is probably no closure present...

Abstract: Requirements for Resolution; #90171 (2013)

Mark S. Egan, Antoun Salama, George El-Kaseeh, and Joe Seissiger

Search and Discovery.com

... severe than just depicted. This is demonstrated in Figure 4. A depth-varying velocity function from the Texas survey was used to model diffractions from...

Abstract: Requirements for Resolution; #90171 (2013)

Mark S. Egan, Antoun Salama, George El-Kaseeh, and Joe Seissiger

Search and Discovery.com

... severe than just depicted. This is demonstrated in Figure 4. A depth-varying velocity function from the Texas survey was used to model diffractions from...

The Use of Seismic Data in Predicting the Abnormal High Pressure Zone for Exploration Drilling in Pertamina Unit E.P. III Working Area

Basuki Puspoputro

Indonesian Petroleum Association

... in Obtaining Interval Velocities (Vi) Vi can be obtained from either the well velocity survey (WVS), the sonic log, or the seismic data. The first two methods...

Delineation of the Reservoir by Seismic Methods: Chapter 3

Roberto Sarmiento

AAPG Special Volumes

... reflections to stratigraphic interfaces. Instead of running a conventional velocity survey in a new well, the operator may choose to perform a complete...

Chapter Ten-part 2: Depth Conversion

Leslie R. Denham, Dave K. Agarwal

AAPG Special Volumes

... charge, a vibrator, or an air gun) with a special geophone lowered down an exploration well. This conventional well velocity survey (or checkshot survey...