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The AAPG/Datapages Combined Publications Database

Showing 59,878 Results. Searched 188,614 documents.

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Graphic Method for Some Geologic Calculations: GEOLOGICAL NOTES

Mason L. Hill

AAPG Bulletin

.... 1) can be used for the solution of geologic right-triangle problems. It is here applied to the solution of dip, depth, distance, and thickness...

1942

Interpretative PSDM Workflow for Solving Complex Imagery Below Faults and Carbonates Reefs in South Mahakam, Kutai Basin: An Interpreters Point of View

Cepi Muhamad Adam, Nadir Abdoun, Bertrand Duquet, Florent Bertini, Yves Le Stunff

Indonesian Petroleum Association

.... Initial Velocity Model and Shallow Horizons Interpretation A first Kirchhoff depth migration was run using an initial smoothed velocity model derived...

2009

Imaging of Fractures and Faults inside Granite Basement Using Controlled Beam Migration (Geophysics Paper 5)

Don Pham, Jason Sun, James Sun, Qingbing Tang, Graeme Bone, Nguyen Truong Giang

Geological Society of Malaysia (GSM)

.... In 2002, a study was carried out in the area using Kirchhoff prestack depth migration, which included horizon-based model building up to the basement...

2008

A New Perspective to Shallow Water Flow (SWF) and Sinking Well-Head Preventions in Deep Water

Selim Simon Shaker

GCAGS Transactions

... for de-multiple, DMO (dip move-out) and pre-stack migration. Converting the time-velocity pair to depth-velocity pair probably is the first objective...

2015

Correlation of seismic velocity and density of metasandstone from Kati Formation, Seri Iskandar, Perak, Malaysia

Norsyafiqah Salimun, Abdul Ghani Rafek, Khairul Arifin Mohd. Noh

Geological Society of Malaysia (GSM)

... to measure the density and seismic velocity. P-wave and S-wave velocity is measured using Sonic S-X viewer while density is measured from ratio of core...

2018

Abstract: Seismic Guided Pore Pressure Prediction In Deepwater Block Of Mahanadi Basin; #90315 (2017)

Surya Kumar Singh, Kumar Vivek, Pinaki Basu, B.K. Mangaraj, Hari Lal

Search and Discovery.com

.... The onset of overpressure is interpreted within Eocene Formation at depth 5452 m (MD). The calibrated velocity and pore pressure at Well-A were...

2017

Hydraulic Factors Controlling the Shape of Laminae in Laboratory Deltas

Alan V. Jopling

Journal of Sedimentary Research (SEPM)

.... The variables isolated for study were: (a) stream velocity and bed shear stress, (b) the ratio of stream depth to basin depth (depth-ratio), and (c) sediment...

1965

Critical Analysis of Stack Seismic Systems

L. E. Nugent, Jr.

AAPG Bulletin

... shifts. Using the same velocity relationship but with no dip involved, the 5,000-foot offset reflection arrives .035 second early which also causes...

1967

Integration of Geological Data on Seismic Sections: GEOLOGICAL NOTES

L. F. Ivanhoe

AAPG Bulletin

... decisions are to be based on them. Velocity errors: Velocity errors are inherent in all seismic sections, since the mathematical functions used to convert...

1956

Improved 3D Seismic Imaging through Depth Migration and Tomography: An Indonesia Case Study

Jianli Song, Cristina Reta-Tang, Xuening Ma, Jim Wilhite, Laurie Geiger

Petroleum Exploration Society of Australia (PESA)

... velocity updating iterations were performed for the project, each using a new Kirchhoff pre-stack depth migration as input. In orde r to derive res idua l...

2011

Long-Offset Approximations to NMO Function for a Layered Subsurface

E. Blias

Search and Discovery.com

.... For long offsets (offset/depth § 1.5 – 2.5), we can expect significant improvement of VRMS estimation using three-term velocity analysis, even though...

Unknown

Long-Offset Approximations to NMO Function for a Layered Subsurface

E. Blias

Search and Discovery.com

.... For long offsets (offset/depth § 1.5 – 2.5), we can expect significant improvement of VRMS estimation using three-term velocity analysis, even though...

Unknown

Use of Layered Formation Models in Deformation Analysis; #40853 (2011)

Eric Davis

Search and Discovery.com

...’s functions that integrate the wave-number spectra functions. Although the calculations involved in this model are more complex than those...

2011

Serang Field Re-Evaluation

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

Indonesian Petroleum Association

... across this fault. A velocity model was constructed to reconcile this anomaly. The resultant depth structure map, confirmed by development drilling...

1994

Adventures in Pre-Stack Depth Migration; #110121 (2010)

James Allen

Search and Discovery.com

...Adventures in Pre-Stack Depth Migration; #110121 (2010) James Allen AV Adventures in Pre-Stack Depth Migration* James Allen1 Search and Discovery...

2010

Scaled Physical Model of Secondary Oil Migration

Michele Moisio Thomas , Jamie A. Clouse

AAPG Bulletin

... model was a sand pack between glass plates; the pack was 52 cm high, 100 cm long, 2.5 cm thick, and inclined at a 5° dip; its porosity was 42%, and its...

1995

Some Principles and Techniques Used in Reconstructing the Hydraulic Parameters of a Paleo-Flow Regime

Alan V. Jopling

Journal of Sedimentary Research (SEPM)

...), may be incompatible with the field evidence. A more satisfactory combination of velocity and depth can then be obtained by using a trial-and-error...

1966

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...

2013

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...

2013

Seismic Velocity Model Building in an Area of Complex Geology, Southern Alberta, Canada

Helen Isaac and Don Lawton

Search and Discovery.com

..., which is expected to be relatively undeformed. Prestack depth migration provides better images. Our most effective velocity models for prestack depth...

2009

The Formation and Behavior of "Vapor Lock" Pressure Seals and Associated Hydrocarbon Accumulations in Geologically Young Basins

W.M. Benzing , G.M. Shook , S.D. Leroy

GCAGS Transactions

... model was done using a mathematical time-depth conversion field built from the interval velocity model. In this manner, an arbitrary geologic horizon...

1996

Conventional Velocity Model Seems to Be the Best!

Hijreen Binti Ismail, M. Izham Kassim, Khairul Hamidi Khalid, Safitri Nurida, Wahyudin Bahri Nasifi, Hendra Iriansyah Darmawan, Rizki Krishna Pratama, M. Anuar Ismail, Noor Azmah Abdullah, Indah Edria Amorita

Indonesian Petroleum Association

... was to convert interpreted time maps to depth maps using the most reliable (lesser residual error) velocity model generated from the available data. DATABASE...

2011

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