High Resolution Seismic and the Search for the Subtle Trap

James A. Wells

West Texas Geological Society

..., provides the explorationist with a very effective tool. If the high resolution seismic is further processed through velocity inversion, depth...

Simulations of the Effects of Diagenesis on the Evolution of Sandstone Porosity

Cathal G. Dillon, Richard H. Worden, Stuart A. Barclay

Journal of Sedimentary Research (SEPM)

... and prediction of pore system modification. Diagenetic processes in real rocks are simulated using a combination of element X-ray maps and backscattered...

Fractal characteristics of the anisotropic microstructure and pore distribution of low-rank coal

Junpeng Zou, Weizhong Chen, Diansen Yang, Jingqiang Yuan, and Yu-Yong Jiao

AAPG Bulletin

...n and evaluation by quantitative x-ray CT imaging: Fuel, v. 80, no. 4, p. 509–520, doi:10.1016/S0016-2361(00)00112-5. Kaufmann, J., R. Lose...

A Practical Discussion of 3D Seismic Surveys

Howell Pardue, Stephen Jumper, Frank Brown, Peter Morton

West Texas Geological Society

..., the survey with the wide range of azimuths is affected by rapid velocity changes and ray-path distortion in the subsurface for which processing algorithms...

Seismic Refraction Data from Sunda Shelf

Robert E. Houtz , Dennis E. Hayes

AAPG Bulletin

... and depth information were determined in places for the upper crystalline crust down to 11 km (36,100 ft). The steep velocity gradients...

Applications of Artificial Intelligence in Log Analysis: Chapter 7

John H. Doveton

AAPG Special Volumes

... correlation using knowledge-based systems and dynamic depth warping: Transactions of the SPWLA 28th Annual Logging Symposium, Paper UU, 25 p. McCammon, R. B...

Case History Study of Seismic-Driven 3-D MEM Calibrated with 1-D MEMs and Petrophysics in Arkoma Basin, Oklahoma

Vivek Swami, Julio Tavares, Vishnu Pandey, Tatyana Nekrasova, Dan Cook, Jose Moncayo, David Yale

Unconventional Resources Technology Conference (URTEC)

...) was estimated using the following equation: = −( − )∙ _ The normal velocity trend (VP_trend) and the exponent “a” were calibrated during...

Statistical Analysis of Fractures from the Hydraulic Fracture Test Site 1

Frank Male, Bethany Rysak, Robin Dommisse

Unconventional Resources Technology Conference (URTEC)

.... This allows one to tie an average velocity to a specific depth, and then tie that depth to a specific observed time across the entire seismic volume. Using...

A Comprehensive Approach to Depth Imaging in Thrust Belt Environments

Ron Schmid, Brian Link, Patrick Butler

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... of 3D prestack depth migration. This paper pursues this suggestion by applying a novel velocity analysis approach, and prestack depth migration...

Chapter 7: Advanced Reservoir Characterization Using 3D Seismic Data in Badger Basin, Bighorn Basin, Wyoming

John E. Buggenhagen

Montana Geological Society

... than 80% accurate. Generalized Linear Inversion (GLI) tomographic modeling was used to compensate for near-surface velocity variations...

Seismic Detection of Source Rocks

Ian Davison, Karyna Rodriguez, David Eastwell

GEO ExPro Magazine

... of the sequence. reflector also loses amplitude on the ray readings in the Murombe source Shales exhibit a non-linear decrease in ocean abyssal plain...

Tengiz field fault shadows mitigation with combined joint FWI-tomography, Q-tomography, and least-square migration

Tianjiang Li, King Sim Lee, Bin Gong, Kai Yang, Kai Zhang, Assem Bibolova, Zhanibek Katrenov

International Meeting for Applied Geoscience and Energy (IMAGE)

...:  Iterative Joint FWI and Tomography Depth model building is an iterative process including refraction tomography for the near-surface velocity...

4D image velocity scan to improve the 4D quantitative interpretation

Mohamed Hatab, Colin MacBeth

International Meeting for Applied Geoscience and Energy (IMAGE)

... and the result will be a 3D depth velocity model. The accuracy of the velocity model resulting from the tomography depends on the accuracy of the information...

Successful Implementation of High Viscosity Friction Reducers from Laboratory to Field Scale: Middle Bakken Case Study

Mohammed Ba Geri, Abdulaziz Ellafi, Bruce Ofori, Ralph Flori, Huosameddin Sherif

Unconventional Resources Technology Conference (URTEC)

... the range of typical velocity of field operations (Sahai et al., 20144; Osiptsov, 2017). Two types of fracturing fluids HVFR (1 gpt or 6 gpt) and linear...

Abstract: Accurate and Automatic Computation of Refraction Statics in Large 3D Seismic Datasets; #90171 (2013)

Atul Jhajhria and Igor B. Morozov

Search and Discovery.com

... without any inversion, and 3) using accurate multi-layer ray-tracing and iterative inversion for a 3D depth model. Model resolution analysis and data...

Abstract: Non-Hyperbolic Reflection Tomography for Better Imaging and Interpretation, by Zhaobo Meng and Chengbin Peng; #90105 (2010)

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Understanding Lithologic Significance of Amplitude Envelope and Acoustic Impedance within Oligocene and Miocene Strata, South Texas Gulf Coast; #40577 (2010)

Osareni Ogiesoba, Ursula Hammes

Search and Discovery.com

... curves show linear  show linear relationships. AI vs. gamma‐ray  and AI vs. AE have  similar trends (negative gradients). Redfish Bay Miocene lowstand...

Fault-Seal Analysis in Minas Field Area-1, Central Sumatra Basin

Yohanes Bosko C. Indrarto

Indonesian Petroleum Association

... of total rocks. The calculation of VSH was done using Normalized Gamma Ray (GRN) data by applying below equation: Equation-2 Shale Gouge Ratio calculation...

Diagenesis of Carbonates in Deep-Sea Sediments--Evidence From SR/CA Ratios and Interstitial Dissolved SR2+ Data

Paul A. Baker, Joris M. Gieskes, Harry Elderfield

Journal of Sedimentary Research (SEPM)

... state. The diffusion coefficient in bulk sediment, Db, the advective velocity, w, and the calcite reaction rate, J, are all functions of depth, z...

Bayesian joint inversion of controlled source electromagnetic and magnetotelluric data to infer presence of a freshwater aquifer offshore New Jersey

Daniel Blatter, Kerry Key, Anandaroop Ray, Chloe Gustaffson, Rob Evans

Petroleum Exploration Society of Australia (PESA)

...) standard, assuming a linear temperature gradient. The salinity values were binned in depth. In each plot, the well log salinity is plotted over...

Statistical Methods of Predicting Source Rock Organic Richness From Open-Hole Logs, Niobrara Formation, Denver Basin, CO

Rana S. El Ghonimy, Steve Sonnenberg

Unconventional Resources Technology Conference (URTEC)

... between pyrite and TOC in the Denver basin is required to account for pyrite in the Schmoker equation. Even though there is no linear trend found between...

Obtaining near-surface equivalent Q value from uphole survey data

Chaofeng Zhao, Wei Zhang, Jiantao Tian, Liying Ren, Qing Zhang, Jianyu Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and establish the near-surface equivalent Q value equation that eliminates the inconsistency of the seismic wavelets and geophone coupling effect...

The Geometry and Seismic Character of Mid-Late Miocene Carbonate Sequences, SS Area, Offshore Northwest Java

David Carter, Marihot Hutabarat

Indonesian Petroleum Association

..., the Parigi Formation, is interpreted as a series of well defined, sub-elliptical buildups with several low-relief linear to slightly sinuous buildups...

Empirical Models for Predicting CO2 Concentrations in North Sumatra

C. M. Reaves, A. Sulaeman

Indonesian Petroleum Association

... squares linear regression of CO2 partial pressure and reservoir temperature derived from a study of sandstone reservoirs in the Gulf of Mexico (Smith...

Abstract: Neutron Computed Tomography (NCT) Applied to Studies of Porosity and Fluid Content in Porous Media, by Nicolas J. Huerta; #90039 (2005)

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