Ultra-Long Offsets Signal a Bright Future for OBN

Duncan Bate, Mike Perz, TGS

GEO ExPro Magazine

... the data’s total energy, including refractions and reflections. The result is superior, geologically coherent velocity models, improved subsurface analysis...

Abstract: *Detection of Hydrocarbons from Velocity Logs using the Wavelet Coherence Analysis: A Case Study from Algerian Tight Reservoirs; #91202 (2022)

Said Gaci, Mohammed Farfour, and Saliha Amoura

Search and Discovery.com

...: wavelet coherence, time-frequency analysis, velocity well logs, Algerian tight reservoir Extended Abstract Well log data are key elements...

A Successful Seismic Integration Case in Exploration of the Deep Thrust Zone in Mountain Area of Qaidam Basin, West China; #10762 (2015)

Chuan Wu, Fangjian 'Jack' Xue, Peng Wang, Jie Hu, Chuanwu Wang, Yongsheng Wang

Search and Discovery.com

..., Fangjian 'Jack' Xue, Peng Wang, Jie Hu, Chuanwu Wang, Yongsheng Wang PS A Successful Seismic Integration Case in Exploration of the Deep Thrust Zone...

Fracture Estimation Using a P-Wave Azimuthal Attribute Analysis in the Cagüi Area: Abstract

Jorge Monsegny, Carlos Piedrahita

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... analysis using only conventional P-wave seismic data was performed in the Cagüi area in the Magdalena Middle Valley basin. The main objective...

Geomechanical and Geophysical Analysis of a Wattenberg Field through Wavefield Re-Datuming and Inversion

Jyoti Behura, Pete Smith, Oscar Quezada

Unconventional Resources Technology Conference (URTEC)

.... For the above reasons, the re-datumed data is ideal for traveltime and amplitude inversion. We perform azimuthal velocity analysis (assuming...

Anisotropic full-azimuth velocity model building using joint reflection-refraction tomography

Matan Shustak, Itai Sharabi, Orly Kletenik-Edelman, Elive Menyoli, Ike Imala, Ronit Levy, Zvi Koren

International Meeting for Applied Geoscience and Energy (IMAGE)

... imaging, especially of land data, is building the near surface velocity model, as it is normally characterized by very low velocity values...

The Role of Seismic Inversion Modeling in Describing Reservoir Characteristics: A Case Study

William C. Robinson

West Texas Geological Society

... are unlikely to complicate the seismic analysis. Figure 4. shows the sonic log with the velocity calculations; the synthetic seismogram and the Inversion...

Seismic Depth Interpretation in Thrustbelts, by Nancy House, #40131 (2004).

Search and Discovery.com

Abstract: Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations (Paper 23)

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... Sains Malaysia 11800 Penang Seismic data processing utilizes a large suite of processes beside the skeletal needs of velocity analysis, forming a CMP...

Abstract: Measurement of compressional--wave velocity gradients in seabed materials -- examples from the Beaufort Sea and the Sea of Japan

A. McKay

Atlantic Geology

... conclusions about the sediment column than a travel-time analysis of the same data. Examples from the Beaufort Sea and from the Japan Sea show how...

Abstract: Velocity Dispersion in Field Seismic Data: Impact, Detection and Application; #90211 (2015)

Langqiu Sun

Search and Discovery.com

...Abstract: Velocity Dispersion in Field Seismic Data: Impact, Detection and Application; #90211 (2015) Langqiu Sun Datapages/Search and Discovery...

ABSTRACT: Design Analysis of the Raymer…Hunt-Gardner Algorithm and Modification for Shaly Sands; #90118 (2011)

Hari Kumar

Search and Discovery.com

... of the Raymer-Hunt-Gardner algorithm to make it a universal velocity-porosity transform applicable to shaly sands. Design analysis of the Raymer-Hunt...

Abstract: Wormhole Forward Modeling and Seismic Responses; #90187 (2014)

Xiaoqin Cui, Laurence R. Lines, Edward S. Krebes, and Joan Embleton

Search and Discovery.com

..., and travel time (velocity) will vary with the fractural network wormhole features. Also, the paper exhibits that 4D seismic time-lapse technology can...

Integrating an exploration OBN into a full-scale prospect maturation workflow: Gulf of Mexico Lower Tertiary

Scott Yurman, Marcus Cahoj

International Meeting for Applied Geoscience and Energy (IMAGE)

... opportunities can only be as good as the seismic and velocity data the interpretation is built upon. In the deepwater subsalt Gulf of Mexico (GOM...

Application of Visco-Acoustic Full Waveform Inversion to Shallow-Water, Shallow-Gas Data, #41802 (2016).

Xin Cheng, Ronan Petton, Ian Anstey, Wai-Leong Lai, Denes Vigh, Gavin Menzel-Jones

Search and Discovery.com

... are the dominant effects of Q at low frequencies. The sensitivity analysis reveals that compared with the Q fields, the velocity fields dominate the data misfit...

Analysis of common pre-treatments in grain-size analysis (using a grain-size standard)

Adam J. White, Stephanie S. Kienast, Markus Kienast, Jessica C. Garwood, Paul S. Hill

Journal of Sedimentary Research (SEPM)

...Analysis of common pre-treatments in grain-size analysis (using a grain-size standard) Adam J. White, Stephanie S. Kienast, Markus Kienast, Jessica C...

ABSTRACT: Depth Conversion: Application and Verification of Depth Conversion of 3D and 2D Seismic Data - Case Histories, by J. E. LaFrenier and J. Dunkelberg; #91021 (2010)

Search and Discovery.com

True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)

M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin

Indonesian Petroleum Association

.... The water layer was then introduced with the constant velocity of 1540m. The initial horizons were picked on PSTM legacy seismic data. As depth processing...

Flow velocity model for a coastal estuarine sandbar using multivariate regression

Edlic Sathiamurthy, Nurul Syamimi Pauzi

Geological Society of Malaysia (GSM)

... analysis of those field samples showed minor variation in particle size distribution. Actual flow velocity through the sandbar was not measured because...

AVO Analysis for Porosity Determination: Abstract

D. Santoso, S. Alam, L. Hendrajaya, Alfian, S. Munadi, A. Priyono, Purwoko

Indonesian Petroleum Association

... for AVO analysis applied to reservoir characterization. Comparison of the calculated result to the borehole data yields a very close correlation...

Abnormal Pressure Evaluation of the Recent Pliocene and Miocene Gas Discoveries from the Eastern Nile Delta, Egypt, Using 2D and 3D Seismic Data

Philip D. Heppard and Martin L. Albertin

Houston Geological Society Bulletin

... of the observed velocity versus the expected or normal trend velocity. The same techniques can be applied to interval velocity derived from seismic data. Despite...

Overview of Exploration Geophysics: Recent Breakthroughs and Challenging New Problems: Hydrocarbons

B. S. Flowers

AAPG Special Volumes

... in JPEG format. Fig. 5. [Grey Scale] California examples. (a) Velocity and density data for lignite and gas-bearing layers. (b) Seismic section showing...

Overview of Exploration Geophysics--Recent Breakthroughs and Challenging New Problems

B. S. Flowers

AAPG Bulletin

... in the interpretation of the best data. Even if we describe End_Page 9------------------------------ Fig. 5. California examples. (a) Velocity...

The Hydraulic Equivalence of Mica

Larry J. Doyle, Kendall L. Carder, Robert G. Steward

Journal of Sedimentary Research (SEPM)

.... 121-128. BABA, J., AND KOMAR, P. D., 1981, Measurements and analysis of settling velocities of natural quartz sand grains: Jour. Sed. Petrology, v. 51...

Imaging and fold comparison of mirror reverse time migration vs. interferometric imaging for VSP data

Liwei Cheng, James Simmons, Ali Tura

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The sensitivity to migration-velocity errors of different migration methods is also evaluated. Review of VSP data migration strategies Four different ray...