ABSTRACT: P- and S-wave Velocity Structures of the Sigsbee Plain of the Gulf of Mexico from Ocean Bottom Seismometer Data, by S. Kim, S. Nagihara, and Y. Nakamura; #90908 (2000)

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Mineral-Chemistry Quantification and Petrophysical Calibration for Multi-Mineral Evaluations; #41754 (2015)

Paul N. Theologou, Douglas McCarty, Timothy Fischer, Arkadiusz Derkowski, Rebecca Stokes, Ann Ollila

Search and Discovery.com

..., and that any measurement with a near linear response equation can be solved for including sonic logs (DT) and neutron logs (NPHI). However, this method also...

Channel sand body characterization and hydrocarbon detection based on multicomponent seismic data: A case study of Shaximiao Formation in QL area

Haitao Yang, Yao Zhao, Benjian Zhang, Furong Wu, Le Li, Dong Wang, Jun Xiong

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the logging curve of No. 8 sand body of Shaximiao Formation is "box" or "bell", with low natural gamma ray (GR) and medium-high acoustic time difference...

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)

..., for this to be meaningful, the velocity model is required to result in depth images that tie the wells. Seeing as this was not the case in this study area...

Reservoir Properties Inferred from Seismic Response in Areas with Minimal Log Control: Fractured Reservoirs: Origin, Description, Evaluation

J. D. Loren, J. T. Kulha, K. S. Renbarger, R. M. Sneider

AAPG Special Volumes

... or gas bulk modulus. Gassman's equation and the summation of densities are used, respectively, to arrive at acoustic velocity and bulk density...

"Basement" to East Coast Continental Margin of North America

M. A. Mayhew

AAPG Bulletin

... and Beckman (1954) from the central Grand Banks both measured a low-velocity basement layer (4.9-5.2 km/sec) at a shallow depth of about 2 km. This layer...

Statistical Characterization and Geological Correlation of Wells Using Automatic Learning Gaussian Mixture Models

David, Lubo, Vikram Jayaram

Unconventional Resources Technology Conference (URTEC)

..., Topaz and M08, extracting Poisson’s Ratio (dimensionless), Density (in g/cm3), Compressional Velocity (in µs/ft) and Gamma Ray (in API units). We...

Detailed internal architecture of a fluvial channel sandstone determined from outcrop, cores, and 3-D ground-penetrating radar: Example from the middle Cretaceous Ferron Sandstone, east-central Utah

Rucsandra M. Corbeanu, Kristian Soegaard, Robert B. Szerbiak, John B. Thurmond, George A. McMechan, Deming Wang, Steven Snelgrove, Craig B. Forster, Ari Menitove

AAPG Bulletin

... the response of primary sedimentary features and complicate the GPR signature. Data preprocessing, velocity analysis, and depth migration can focus...

Influence of Heat Flow on Ooze/Chalk Cementation: Quantification from Consolidation Parameters in DSDP Sites 504 and 505 Sediments

Andreas Wetzel

Journal of Sedimentary Research (SEPM)

... of sediments encountered during Deep Sea Drilling Project Leg 69 (Costa Rica Rift, Panama Basin), as determined by X-ray diffraction: Init. Repts. DSDP...

A New Pore Pressure Prediction Model for Naturally Fractured Shales and Stacked Plays: The Effect of Active Hydrocarbon Generation - A Powder River Basin Case Study

Daniel Orozco, Roberto Aguilera

Unconventional Resources Technology Conference (URTEC)

... but not all of the porosity loss/velocity gain is permanent. Therefore, if for some reason the effective stress at depth is reduced, the sonic velocity...

Effect of Mineralogy on NMR, Sonic, and Resitivity: NMR, Sonic, and Resistivity: A Case Study of the Monterey Formation

Saul Rivera, Manika Prasad

Unconventional Resources Technology Conference (URTEC)

... by the M-modulus. The equation for Mmodulus is as follows: is the compressional velocity in (km/s). where is the grain density in g/cm3...

Seismic-constrained reservoir modeling and simulation for CO2 sequestration potential assessment of the Arbuckle Group: Wellington field, Kansas

Abidin B. Caf, Matthew J. Pranter, Zulfiquar A. Reza, David Lubo-Robles, Heather Bedle, and Kurt J. Marfurt

AAPG Bulletin

... equation: where V(Z) represents instantaneous velocity at depth Z, V0 is the initial velocity, k is the time-to-depth relationship established from wells...

The Application of Induced Gamma-Ray Spectroscopy in Cased Hole Formation Evaluation in Sumatra, Indonesia

W. D. Morgan, R. C. Hertzog

Indonesian Petroleum Association

... (see references 1 and 2 for discussion) : In this equation, A is the normalization constant which represents the relative gamma-ray excitation cross...

An equation for deriving spatial variations in carbonate production rates from sediment deposition rates and dilution: Application to Santa Maria Island, Azores

Neil C. Mitchell, Rui Quartau, Sandra Moreira, Christoph Beier, Zhongwei Zhao, Sérgio Ávila, Elsa-Marie Portanyi, Aurora Rodrigues

Journal of Sedimentary Research (SEPM)

... goes flat at 2.53 km distance (Fig. 12B), as a result of applying Equation 3 and as A(z) of Wisshak et al. (2015) peaks at 60 m depth (Fig. 1), while...

Petrophysical Interpretation Problem: Permian, Upper and Lower Avalon Shale: Southeast New Mexico

G. B. Asquith

West Texas Geological Society

... for this well consists of the following logs: 1.) Array Laterolog – Rxo, 2.) Neutron-Lithodensity, 3.) Spectral Gamma Ray Log, and 4.) Geochem (ECS) Log...

Hydrocarbon Expression on Low-Impedance AVO: A Phenomenon of Amplitude Reversal

W. Waluyo

Indonesian Petroleum Association

... upper and lower layers. Vpa : Average velocity of upper and lower layers. Where: The first term in equation 2 represents the reflection...

Resolving geological complexity with legacy streamer survey: Potiguar 3D offshore Brazil case study

Seet Li Yong, Milos Cvetkovic, Terry Johnson, Boedi Soelistijo, Leon Ge

International Meeting for Applied Geoscience and Energy (IMAGE)

... domain ray-based algorithms, 3D interpretation with the aim of delineating geological features may be required to overcome the linear assumption...

ABSTRACT: Log Interpretation of Shaly Sandstones: a General Model, by Joel Foster Baker; #91030 (2010)

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CSPG/CSEG/CWLS Convention 2006; - Abstracts, #90211 (2015).

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The Effect of Sample Volume on Micro-Rebound Hammer UCS Measurements in Gulf Coast Cretaceous Carbonate Cores

Donnie Brooks, Xavier Janson, Chris Zahm

GCAGS Journal

... that measures P–wave velocity. Core description is on right and wireline logs (gamma ray, density, and sonic) are on left. 202 Donnie Brooks, Xavier Janson...

Abstract: New LWD Technologies for Unconventional Reservoirs; #90269 (2016)

Craig Barnett, Aly Bassiouny

Search and Discovery.com

... While Drilling) spectral azimuthal gamma ray (SAGR) sensor provides a number of valuable measurements for horizontal well placement and evaluation...

Sequence-Stratigraphic, Petrophysical, and Multicomponent Seismic Analysis of a Shelf-Margin Reservoir: San Andres Formation (Permian), Vacuum Field, New Mexico, United States

Matthew J. Pranter, Neil F. Hurley, Thomas L. Davis

AAPG Special Volumes

... the coefficients of the empirically derived Winland equation using a multivariable linear-regression algorithm (Kuester and Mize, 1973). Wetting...

Sediment source regions and paleotransport of the Upper Jurassic Norphlet Formation, eastern Gulf of Mexico

Bryan Hunt, Delores M. Robinson, Amy L. Weislogel, and Ryan C. Ewing

AAPG Bulletin

... increase, whereas the spontaneous potential decreases, and the gamma-ray log does not reach this depth. The quartzose-sandstone lithofacies...

Analysis of geologic structures using deep sonic imaging

Nobuyasu Hirabayashi, Leon Dahlhaus, Rajeev Kumar, Jeroen Jocker, Erik Wielemaker, Manish Lal Khaitan, Charles Naville

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Figure 6 shows migration images for a vertical cross-section along the linear borehole depth displayed at zero relative vertical depth. The top panel...

A Note on 'A Procedure for Computing the Lattice Constants of Some Crystal Systems by Chan (1976)'

Y. H. Lye

Geological Society of Malaysia (GSM)

... employed in the use of this program involves the solution of the general equation, l d2 h2 2 a = k2 2 b T 12 2 c T for the cubic, tetragonal...