Unlocking Potential Reservoir of Pre-Parigi Carbonate to New Opportunity Gas Field; A Case Study of Belut Structure - Offshore North West Java

Lambertus Fransisco Yulianus, Yasinta Dewi Setiawati, Sandra Radiansyah, Prawoto I. Syuhada

Indonesian Petroleum Association

... conversion minimizes pull up velocity effect and provides more realistic depth structure. The level of accuracy from volumetric calculations...

Satellite System for Offshore Surveying

C. D. Lynn

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... The fix accuracy is, however, very dependent on errors in measurements of the ship’s velocity, and a poor estimate of velocity (especially in the north...

Cross-Sections of the Parry Islands Fold Belt on Melville Island, Canadian Arctic Islands: Implications for the Timing and Kinematic History of Some Thin-Skinned Decollement Systems

Harrison, J.C., Bally, A.W.

CSPG Bulletin

... as a nearly straight line of constant apparent dip. However, depth conversion would have the effect of widening the highest velocity Thumb Mountain interval...

A Coupled Petrophysical-Geophysical Model Demonstrates Velocity Dispersion in a Thin-bedded, Fluvial Reservoir; #40913 (2012)

Richard C. Odom

Search and Discovery.com

... velocity dispersion causing errors in the time-depth chart. Stratigraphic Control The stratigraphic column is bound by regional surfaces...

Diving wave tomography: Velocity modelling using first arrival traveltime

Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu

Geological Society of Malaysia (GSM)

... with velocity are the push-down and pull-up effect caused by the discrepancy between recorded traveltime and the actual depth of the structure. It often...

Basic Seismic Processing: Part 7. Geophysical Methods

Peter M. Duncan

AAPG Special Volumes

... such that the reflections from a given horizon will appear flat. This facilitates ide tification of reflectors and stacking. Figure 6 demonstrates the NMO process. Dip...

Handling Environmental Effects on Triaxial Induction Tools

Tom Barber, Steve Bonner, Tracy Broussard, Sophia Davydycheva, Dean Homan, Gerald Minerbo, Richard Rosthal, and Hanming Wang

Search and Discovery.com

... simplifies the analysis of the data and eliminates the problems of depth errors between the measurements. All nine couplings between transmitters...

Extended Abstract: Exploring the Missing Blind Zone in the Gulf of Mexico Shelf

Selim Simon Shaker, Dave Reynolds, Walter W. Wornardt

GCAGS Transactions

... cross over, and reflectivity becomes very weak and occasionally cannot be recognized on the seismic stacking velocity (prestack time migration) lines...

Elastic full-waveform inversion at regional scale for the northern Gulf of Mexico

Yao Yu, Anastasia Pavlovskaya, Kim Shoemaker, Hongyan Li, Jennifer Qin, David Derharoutian Jr., John Law, Zhao Ge, Ruth Hammans, Vivian Robertson, Kate Glaccum

International Meeting for Applied Geoscience and Energy (IMAGE)

... and visibility of near salt stratigraphy on regional scale from a starting model with significant bulk salt and subsalt velocity errors. The high dipping...

Case Study - Advanced Seismic Acquisitions and Processing Results in Indonesia

Michele Buia, Bakhrudin Mansyur, Herastya Iman Priyonggo

Indonesian Petroleum Association

... of surveys were modelled using ray tracing on the Aster velocity-depth model. In particular, Eni Indonesia generated three single azimuth surveys...

Quantitative Petrophysical AVO Error Analysis in a Layered Model

Search and Discovery.com

.... By defining an AVO misfit function, we quantitatively measure the AVO inversion errors in a layered rock-physics theoretical model. We especially...

An Analysis of a Seismic Reflection from the Base of a Gas Hydrate Zone, Offshore Peru (1)

JOHN J. MILLER , MYUNG W. LEE , and ROLAND VON HUENE

AAPG Bulletin

.... 759-769. Domenico, S. N., 1976, Effect of brine-gas mixture on velocity in an unconsolidated sand reservoir: Geophysics, v. 41, p. 882-894. Ewing...

Understanding growth-faulted, intraslope subbasins by applying sequence-stratigraphic principles: Examples from the south Texas Oligocene Frio Formation: Discussion

Marc B. Edwards

AAPG Bulletin

... and velocity surveys from this area allowed Ewing to create true-depth (no vertical exaggeration) structural cross sections through this area (Ewing, 1986...

Quantitative Interpretation: Use of Seismic Inversion Data to Directly Estimate Hydrocarbon Reserves and Resources

James Shadlow, Adam Craig, David Christiansen, Robert Mitchell

Petroleum Exploration Society of Australia (PESA)

... intervals are thought to contribute to the errors. Therefore, a new velocity model was required to minimise the depth errors at the wells, so...

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...

Aspects to the Resolving Power of 3D Seismic Surveys

Wolfgang Houba

Geological Society of Malaysia (GSM)

... to velocity v and frequency ~AX and the maximum structural dip. For usual parameters, we estimate that roughly half of the corresponding 20 coverage...

Interval Velocity Modeling of Celebes Molasse as Post Collision in Banggai-Sula Foreland Basin, Eastern Sulawesi, Indonesia

Anggoro P. Kurniawan, Maikel Arifin, Wahyuni T. Sundari, Sardjito, Nurhadi Budi, Hasan Nurudin

Indonesian Petroleum Association

... between PSTM (post stack time migration), using RMS (root mean square) Velocity, and PSDM (post stack depth migration), using interval velocity, on NW-SE...

Subsurface Geology of North Carolina-South Carolina Coastal Plain from Seismic Data

William E. Bonini , George P. Woollard

AAPG Bulletin

..., no effect of velocity increase with depth of burial has been noted for crystalline rocks at these shallow depths. To test the possibility...

A seasonal-dependent water velocity model for the Gulf of Mexico

Claudio Bagaini

International Meeting for Applied Geoscience and Energy (IMAGE)

... uses the velocity profile published by Advocate and Hood (1993), which is often considered the best available approximation of the depth-dependent...

Meeting the imaging challenges at Atlantis with high-frequency elastic FWI

Alex Hao, Chi Chen, Zhiyuan Wei, Jiawei Mei, Li Jiang, Sam Buist, Obi Egbue, Luis Lopez, Daniel Tebo

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity errors such as salt fingers and sediment caves at the base of the salt body, thus significantly improving the subsalt image using reverse time...

Possible Relationships Between Deep Structure and Shallow Fault Patterns, Northwest Maverick Basin, Val Verde County, Texas

Sam L. Evans, Richard M. Zoerb

South Texas Geological Society Special Publications

... yielded 4800 percent depth point redundancy. In effect, the total dimension of the recording spread was approximately 16,000 feet from source to the most...

Fault Shadow Issues and Resolution in Model and Real Data

Andrew J. Davidoff, Ika Ratna Novianti

Indonesian Petroleum Association

... in depth. The velocity model was built using the layer-by-layer depth interval velocity modeling technique and iterative Pre-SDM. Applying the more...

Seismic Stratigraphic Exploration - A New Frontier

Roy O. Lindseth

Rocky Mountain Association of Geologists

...-sensing, seismic-reflection data acquisition and possible errors in data correlation, such as porosity to shale velocity matches. , INTRODUCTION...

3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Seismic Profile: North Fork Area, Powder River Basin, Wyoming

D. S. Stone

AAPG Special Volumes

... velocity change with velocities increasing basinward. If a constant velocity is used for depth migration, a mis-tie of about 107 m (350 ft...

Fault Shadow Correction Methodology

P. Julien, J. L. Broyer, O. Bernet-Rollande

Indonesian Petroleum Association

... method. An initial 2D-depth model is built using dip seismic lines and a regional velocity function, which is then manually edited to remove...