Seismic Sedimentology and Depositional Systems in the Upper Cretaceous Olmos Formation, Gold River North Field, Webb County, South Texas

Xiupeng Li and Hongliu Zeng

GCAGS Transactions

... between seismic amplitude and lithology (Fig. 5). Shale content (Vsh) is calculated from gamma-ray logs. V (P-wave velocity) is derived from...

Towards more accurate reservoir imaging using FWI: An OBN case study at Trion

Zhen Wang, Sen Mei, Zhuocheng Yang, Joakim Blanch, Ezequiel Genova, Juan-Mauricio Florez-Nino, Humberto Salazar-Soto, Alfredo Vazquez-Cantu

International Meeting for Applied Geoscience and Energy (IMAGE)

... in EW and NS directions. Then T-ORT TLFWI (7 Hz) for velocity update was performed using EW and NS WAZ data. It is difficult for ray-based tomography...

Origin of Dolomite in the Eocene Castle Hayne Limestone, North Carolina

Gerald R. Baum , W. Burleigh Harris, Paul E. Drez

Journal of Sedimentary Research (SEPM)

... in Sr, perhaps by hyposaline fluids. The strong positive correlation between Sr content and depth suggests a "memory" of a stratified (mixing-zone...

Checkshots and Vertical Seismic Profiles: Part 7. Geophysical methods

B. A. Hardage

AAPG Special Volumes

.... To understand reservoir performance, the boundaries of these units need to be mapped in depth. Thus, the concept of the velocity checkshot survey has been...

CSPG/CSEG/CWLS GeoConvention 2013, May 6-12, 2013 Calgary TELUS Convention Centre & ERCB Core Research Centre, Calgary, Alberta, Canada; - Abstracts, #90187 (2014).

Search and Discovery.com

Three-dimensional structural model of the Cantarell and Sihil structures, Campeche Bay, Mexico

Shankar Mitra, Gerardo Correa Figueroa, Jesus Hernandez Garcia, Antonio Murillo Alvarado

AAPG Bulletin

... velocity model for time-to-depth conversion. (c) Final cross section in depth. Red lines are thrust faults, and green lines are Tertiary normal faults...

Integration of Geological Data on Seismic Sections: GEOLOGICAL NOTES

L. F. Ivanhoe

AAPG Bulletin

... points. The reliability of velocity-corrected depths can vary drastically depending on the quality of velocity control even when the drilled depth...

Abstract: ERT and Seismic Tomography in Identifying Subsurface Cavities; #90172 (2014)

Grey I. Riddle, Craig J. Riddle, Douglas R. Schmitt

Search and Discovery.com

... velocity creating a defocusing of affect. With this information ray coverage can be used as an indicator for a tunnel, keeping in mind this requires dense...

Core Data Integration/ Validation of Sonic Derived Anisotropic Mechanical Properties to Expedite Well Decisions in Unconventional Reservoirs

Edgar Velez, Kevin Fisher

Unconventional Resources Technology Conference (URTEC)

..., track 1: depth; track 2: gamma-ray and calipers; track 3: high-resolution DTCO and core DTCO; tracks 4 to 6: STC results including coherence...

6.0 Comments on Previous Chapters

P. E. Gretener

AAPG Special Volumes

... general case is shown in Figure 6.4-4b. The fact that velocity usually increases with depth, suggests that Canadian experience may be useful even...

Methane-hydrate Occurrence and Saturation Confirmed from Core Samples, Eastern Nankai Trough, Japan

Tetsuya Fujii, Masaru Nakamizu, Yoshihiro Tsuji, Takatoshi Namikawa, Toshiharu Okui, Masayuki Kawasaki, Koji Ochiai, Mizue Nishimura, Osamu Takano

AAPG Special Volumes

... variation and velocity anomalies. For the detection of methane-hydrate-bearing layers during this drilling campaign, LWD was generally used instead...

Repeatability of Three Instruments Used to Determine the Undrained Shear Strength of Extremely Weak, Saturated, Cohesive Sediments

Joseph H. Kravitz

Journal of Sedimentary Research (SEPM)

... resulted in the classic equation for shear strength: s = c + tan where, in modern nomenclature s denotes shear strength c = apparent cohesion = total...

Controls on Liquid Hydrocarbon Permeability of Tight Oil and Liquid-Rich Gas Reservoirs: Examples from Bakken and Montney Formations (Canada)

A. Ghanizadeh, C.R. Clarkson, C. Song, A. Vahedian, C. DeBuhr, H.J. Deglint

Unconventional Resources Technology Conference (URTEC)

... approaches the size of the mean free path of the gas molecules. This effect causes the gas velocity to increase, as individual gas molecules slip along...

Well Music: Translating Well Data to Music for a New Perspective; #42574 (2022)

Alan Lindsey

Search and Discovery.com

... off well logging by creating long linear graphs of electrical resistivity. Gamma ray, density, spontaneous potential, and more were added through time...

Shale Velocity and Density as Functions of TOC and Thermal Maturity: Upper Devonian Woodford Shale, Permian Basin, Texas, #51124 (2015).

Nicholas B. Harris

Search and Discovery.com

... can we use the variability in density and sonic velocity? 12850 depth (feet) 12900 12950 • Can we get obtain source rock information (TOC, thermal...

Synthetic Seismograms for PS Seismic Data; #41793 (2016)

Satinder Chopra, Ritesh Kumar Sharma

Search and Discovery.com

... is dependent on the angle of incidence as well as the elastic parameters, which can all be derived from the P-velocity, S-velocity and density of the two media...

The Evolution of FWI and its Perceived Benefits

Tony Martin, Andrew Long

Australian Petroleum Production & Exploration Association (APPEA) Journal

... velocity contrasts may break the high frequency assumptions of ray-tracing methods used in both tomographic approaches. FWI benefits from an accurate...

Discovery and Petroleum Geology of the Bayu-Undan Gas-Condensate Field: Timor Gap Zone of Cooperation, Area A

Deidre M. Brooks, Angus K. Goody, J. Brendan O'Reilly, Kevin L. McCarty

Indonesian Petroleum Association

... a gross 155 m gas-condensate column within Middle Jurassic sandstones at a depth of 2954.5 mSS. Four months later, the ZOCA 91-12 joint venture...

DDR: The Technology of Simultaneous Wave Field Analysis and Velocity Model Reconstruction

A. Reshetnikov, A. Tabakov, A. Mukhin, V. Eliseev

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... procedures effective methods of description of free two-dimensional spheres and methods of ray computation in spheres of variable seismic velocity gradients...

Petrophysical Analysis, Permeability Prediction and Rock Type Determination of Carbonate Reservoir: Case Study of Semoga Field, South Sumatra, Indonesia

Erick Prim Putra, M. Rifki Akbar. Marja Dinata

Indonesian Petroleum Association

... a combination of Gamma Ray log with linier function and Density-Neutron log. The linier function of Gamma Ray (VGR) equation was used: Density-Neutron...

Formation Clays: Are They Really a Problem in Production?

George E. King

Special Publications of SEPM

... phase linear flow through a core plug at increasing rates until the critical velocity is reached and damage is produced or until the sufficient...

Completion Techniques Used in the Atoka and Bend Conglomerates, Parker County, Texas

Lyle Lehman

Dallas Geological Society

... it comes to transporting mud to the wellbore due to the relationship of the flow versus viscosity or, more simply, Darcy’s law for linear flow (Craft...

Combining seismic reservoir characterization workflows with basin modeling in the deepwater Gulf of Mexico Mississippi Canyon area

Wisam H. AlKawai, Tapan Mukerji, Allegra Hosford Scheirer, and Stephan A. Graham

AAPG Bulletin

.... The resulting trend is steeper when compared with the other velocity–porosity model of shale used above the depth of the transformation. We used...

Seismic Characterisation of Unconventional Plays in North America

Lee Bell, Mary Edrich, Alvaro Chaveste

Petroleum Exploration Society of Australia (PESA)

... youngest Int ermediate depth I age Deepest I o ldest * M ixed shale & chalk play **Mixed shale & limestone play *** Mixed shale & tight...

3D Multiscale Imaging of the Distribution of Pores, Organic Matter and Oil in Place in Vaca Muerta Shale Samples

Silvano Sommacal, Andrew Fogden, Benjamin Young, William Noel, Alessio Arena, Leonardo Salazar, Tobias Gerwig, Qianhao Cheng, Andrew Kingston, Denis Marchal, Ana Maria Perez Mazas, Claudio Hugo Naides, Guillermina Kohler, Marcelo Cagnolatti

Unconventional Resources Technology Conference (URTEC)

... scanned after solvent cleaning and drying, followed by a second scan after full saturation of their connected pore space with the X-ray dense liquid...