Log Evaluation of Wells in the Tuscaloosa Trend of South Louisiana

John A. Stevenson

New Orleans Geological Society

... nor the short-spaced resistivity curve (SFL*, LL-8 or short normal) can be recorded, a Gamma Ray is combined with the DIL/Sonic. The porosity...

Abstract: Integrated Analysis and Inversion of 3D Refraction Travel Times; #90171 (2013)

Igor B. Morozov and Atul Jhajhria

Search and Discovery.com

..., the final inversion is performed by using 3D ray-tracing in the layered model, with rays constrained to the sourcereceiver planes. A non-linear travel...

Integrate sweet spot seismic prediction with microseismic monitoring to apply to lacustrine shale in Sichuan Basin of China

Kai Xu, Zhentao Sun, Shixing Wang, Yu Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... features, which includes wide and stable distribution, deep burying depth, relatively great thickness, high content of TOC and quartz, etc...

Method of seismic wave advance geological prediction in soft layer

Xingmeng Dong, Zhoutuo Wei, Yuwen Zhai, Jigen Xia

International Meeting for Applied Geoscience and Energy (IMAGE)

... at the R point. Assuming that the wave velocity in a homogeneous medium is V and the TPR travel time of the ray is T, then the reflecting surface...

An Imaging Method for the Porosity of Sedimentary Rocks: Adjustment of the PMMA Method--Example of a Characterization of a Calcareous Shale

S. Sammartino, M. Siitari-Kauppi, A. Meunier, P. Sardini, A. Bouchet, E. Tevissen

Journal of Sedimentary Research (SEPM)

...-ray end-point energies by absorption: Reviews of Modern Physics, v. 24, p. 28-44. MARTIN, J.L., AND GEORGE, A., 1998, Traite des materiaux...

Pressure Regime in the Upper Cretaceous Shales and Sandstones in the Washakie Basin, Wyoming

Ronald C. Surdam, Zung S. Jiao, Jie Liu

Wyoming Geological Association

... increase in transit time (decrease in velocity) in the deeper part of the well logs illustrated in Figure 3. Figure 3. Plot of velocity versus depth...

A Novel Tight Gas Evaluation Workflow for Targeting and Optimizing the Emerging Horizontal Lower Cotton Valley Play in North Louisiana

Dan Buller, Stephen Persac, Rojelio Medina, Nick Garrison, Jerome Truax, Byron Cottingham

Unconventional Resources Technology Conference (URTEC)

... rre ction s b y the au tho r(s). Any pe rson or en tity that relies o n a ny info rmatio n o btaine d from this pape r does so a t their o wn risk...

CO2 Sequestration in Gas Shales of Kentucky, by Brandon C. Nuttall, James A Drahovzal, Cortland Eble, and R. Mark Bustin, #40171 (2005).

Search and Discovery.com

Determination of Productive Zones in Low Porosity, Low Permeability Carbonate and Clastic Rocks

James A. Turney

Dallas Geological Society

..., and gas detection can be accomplished utilizing the acoustic velocity logging systems. The findings of actual field tests in this area illustrate...

Abstract: Several Case Studies of Onshore 2-D Depth Migrations Completed on a Workstation, by B. L. Weinman; #90960 (1995).

Search and Discovery.com

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Search and Discovery.com

.... The seismic data were acquired with 3C sensors oriented vertically. From ray trace modeling taking into account the low velocity layer, waves should...

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user

Search and Discovery.com

.... The seismic data were acquired with 3C sensors oriented vertically. From ray trace modeling taking into account the low velocity layer, waves should...

Mineral Trapping of CO2 in Operated Hydrogeothermal Reservoirs

Michael Kuhn, Christoph Clauser, Katrin Vosbeck, Helge Stanjek, Volker Meyn, Martin Back, Stefan Peiffer

AAPG Special Volumes

...:The overall reaction, the transfer of anhydrite into calcite, describes the favored reaction path:From equation 3, a surplus in acid obviously exists...

A Hidden Reservoir within the Gacheta Formation, Zopilote Field, Llanos Orientales Basin, Colombia, #20231 (2014)

Cesar Vasquez

Search and Discovery.com

... of the Llanos Orientales. Its top and base and the depth of the OWC are very easily identified, based only on standard open-hole logs, mainly gamma ray...

Sedimentology and stratigraphy of a deep-water gas hydrate reservoir in the northern Gulf of Mexico

P. Kevin Meazell, Peter B. Flemings, Manasij Santra, and Joel E. Johnson

AAPG Bulletin

...–sonic velocity, low–gamma ray interval from 414 to 450 meters below seafloor (mbsf). (A) Depth in mbsf. (B–D) The LWD logs from the 2009 Joint Industry...

Diagnosing Fracture Stimulation Effectiveness: A Case Study of the Marcellus Shale Energy and Environmental Lab (MSEEL)

Rob Bohn, Sergei Parsegov

Unconventional Resources Technology Conference (URTEC)

... pressure, the Eaton equation is used to examine the linear relationship that should exist between sonic compressional wave velocity and depth. Deviations...

An Integrated Deep Learning Solution for Petrophysics, Pore Pressure, and Geomechanics Property Prediction

Ehsan Zabihi Naeini, Sam Green, Marianne Rauch-Davies

Unconventional Resources Technology Conference (URTEC)

... compressional velocity, Gamma ray, density, resistivity and Neutron logs. Petrophysical interpretation of wells incorporates a holistic use of well data...

Integrating Mineralogy, Process Sedimentology and Geomechanics for Development of a Mechanical Stratigraphy Model of the Bakken Formation

Alyssa Charsky, David Pyles, Steve Sonnenberg

Unconventional Resources Technology Conference (URTEC)

... member and about 10cm of the upper Bakken shale member we cored. The enti Bakken Forma o en a f n ere ire ation was cored in the Wayzetta 46-1 11M well...

Two-Dimensional Synthetic Seismic and Log Cross Sections from Stratigraphic Forward Models

Mark W. Shuster , Tom Aigner

AAPG Bulletin

.... Synthetic gamma ray, density and velocity responses are calculated for the simulated lithofacies using user-specified rock and fluid properties. Vertically...

Gulf Coast Logging

Gunnar J. Teilmann, Robert E. Murphy

New Orleans Geological Society

... - Density - Neutron - Gamma Ray In situations where a quick petrophysical evaluation is needed without velocity data, the Triple Combination (DIT/LDT/CNL/GR...

Well StudySauk III-IV Interval in the American Quasar 16-21A Horse Heaven-state Well, Confusion Range, West-central Utah

Kevin R. Evans, James F. Miller, Benjamin F. Dattilo

AAPG Special Volumes

... depth of 12,141 ft (3701 m; log depth, 12,125 ft [3696 m]), after which it was plugged and abandoned. Figure 3 shows the gamma-ray and sonic logs...

Evaluation of Cyclic Gas Injection EOR in Unconventional Reservoirs and Exit Strategies, Including Potential Storage Options Using Bakken Field as an Example Case

Abdulrahman Abdulwarith, Ahmed Kareb, Mohamed Ammar, Birol Dindoruk

Unconventional Resources Technology Conference (URTEC)

.... The Upper and Lower Shales display unusually high gamma ray readings and high resistivity, whereas the Middle Member's signature is closer to clastic...

High-resolution petrophysical, geochemical, and geomechanical profiling of a 230-m continuous core from the Montney Formation, Canada

Daniela Becerra, Christopher R. Clarkson, and Amin Ghanizadeh

AAPG Bulletin

... and wireline depths. A depth correction of 2.48 m was applied to the well logs using the gamma ray as a reference (i.e., core and log gamma ray...

Well-Log-Based Assessment of Elastic Properties in Organic-Shale Formations

Alvaro Aranibar, Clotilde Chen Valdés, Zoya Heidari

Unconventional Resources Technology Conference (URTEC)

... might have a higher potential for fracability. URTeC 1922955 2 A depth-by-depth assessment of petrophysical, compositional, and elastic properties...

A Multiscale Digital Rock Workflow for Shale Matrix Permeability Prediction

Min Zhang, Rafael Salazar-Tio, Andrew Fager, Bernd Crouse

Unconventional Resources Technology Conference (URTEC)

..., such as X-ray microtomography (micro-CT), suitable for the pore-scale description of most conventional rocks (Zhang and Prodanović 2019; Zhang et al...