Efficient Completions in Anisotropic Shale Gas Formations

Saied Mighani, Carl Sondergeld, Chandra Rai

Unconventional Resources Technology Conference (URTEC)

... to investigate the impact of anisotropy on the tensile failure. Anisotropy direction is determined measuring the compressional velocity across the disk which...

Seismic Exploration Using Shear Waves

R. Garotta

Indonesian Petroleum Association

... Velocity These seismic and resistivity logs show good homogeneity of the layer between 1.2 and 1.45 km depth. Thus, these limits have been chosen...

Mineralogical composition and total organic carbon quantification using x-ray fluorescence data from the Upper Cretaceous Eagle Ford Group in southern Texas

Ahmed Alnahwi, and Robert G. Loucks

AAPG Bulletin

.... Linear correlation plots of calculated versus measured abundances (x-ray diffraction [XRD]) of six minerals. A slope of one suggests a perfect fit...

Predicting rock strength variability across stratigraphic interfaces in caprock lithologies at depth: Correlation between outcrop and subsurface

Elizabeth S. Petrie, Tamara N. Jeppson, James P. Evans

Environmental Geosciences (DEG)

...-to-shear velocity (Vp-to-Vs) crossplot with gamma-ray relationship in well Utah D7; well location highlighted in Figure 1. (A) Gamma ray (GR) 50 API...

Petrophysical properties of the Green Canyon Block 955 hydrate reservoir inferred from reconstituted sediments: Implications for hydrate formation and production

Yi Fang, Peter B. Flemings, Hugh Daigle, Stephen C. Phillips, P. Kevin Meazell, and Kehua You

AAPG Bulletin

...–1804 ft) from the high resistivity, high P-wave velocity, and low gamma-ray density values (D. McConnell et al., 2010; Boswell et al., 2012a, b...

Water Saturation in Transition Zone, Ignore SCAL Data Using Cuddys Height Saturation Method

Bagus Guspudin, Nantasia Nanda, Humaedi Aldi Alfarizky, Febriwan Mohammad

Indonesian Petroleum Association

... was predicted by using reservoir zones in the well from relatively similar research. A linear equation was used to calculate the volume of shale...

Silica Diagenesis, Porosity Evolution, and Mechanical Behavior In Siliceous Mudstones, Mowry Shale (Cretaceous), Rocky Mountains, U.S.A.

Kitty L. Milliken, Terrilyn Olson

Journal of Sedimentary Research (SEPM)

... sandstones: Petroleum Geoscience, v. 10, p. 215– 226. Storvoll, V., Bjørlykke, K., and Mondol, N.H., 2005, Velocity-depth trends in Mesozoic...

2007 CSPG/CSEG GeoConvention, Calgary, Alberta, May 14-17, 2007 - Abstracts, #90168 (2013).

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2007 CSPG/CSEG GeoConvention, Calgary, Alberta, May 14-17, 2007 - Abstracts, #90168 (2013).

Search and Discovery.com

Seismic assessment of maturity and richness in carbonate source rocks

Mita Sengupta, David Jacobi, Shannon Eichmann, Brad Wallet, Yazeed Altowairqi, Salma Alsinan

International Meeting for Applied Geoscience and Energy (IMAGE)

... wells. (Broadhead et al. 2016; Hakami et al. 2016). Organic content, maturity, and mineralogy of source rocks also affect the velocity-ratios (VP/VS...

Hydraulic Fracture Conductivity as a Function of Proppant Concentration Under Various Effective Stresses: From Partial Monolayer to Multilayer Proppants

Ming Fan, Yanhui Han, Cheng Chen

Unconventional Resources Technology Conference (URTEC)

... or interfaces. The calculation cycle adopts a time-stepping algorithm, in which the position and velocity of each particle is determined by Newton’s second...

Empowering Completion Engineers to Calibrate Petrophysical Facies Models to Hydraulic Fracturing Treatment Responses

Carrie Glaser, Joel Mazza, John Frame

Unconventional Resources Technology Conference (URTEC)

... in this demonstration includes MWD gamma ray and drill bit geomechanics calculated from vibration data measured by an accelerometer near the drill bit. While the former...

Seismic Modeling of an Early Jurassic, Drowned Carbonate Platform: Djebel Bou Dahar, High Atlas, Morocco (1)

A. EWAN CAMPBELL and JAN STAFLEU

AAPG Bulletin

...). Reflection amplitudes calculated using image-ray migration were further modified by the program's use of the fluid-fluid component of the Bortfeld equation...

Abstract: Effects of Depositional Facies and Diagenesis on Calculating Petrophysical Properties from Wireline Logs in Permian Carbonate Reservoirs of West Texas, by M. H. Holtz and R. P. Major; #90980 (1994).

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Coalbed Methane Characteristics of Gates Formation Coals, Northeastern British Columbia: Effect of Maceral Composition

Michelle N. Lamberson, R. March Bustin

AAPG Bulletin

... inertinite is meso- to macroporous. The monolayer volumes of carbon dioxide (as calculated from the DubininRadushkevich equation) are higher than...

3-D Geocellular Modeling

Mike Shepherd

AAPG Special Volumes

... maps3-D visualization of well paths3-D representation of well tops and associated depths2-D representation of depth, isochore, facies, and rock property...

Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)

Aaron Stanton

Search and Discovery.com

... lower, and the lower velocity receiver side ray path makes the aliasing frequency of converted waves lower than their P-wave counterpart. One way...

Using Thomsen's Model to Analyze Composition and Internal Structure of Shales; #90017 (2003)

Jose Agnelo Soares, Margareth da Silva Brasil Guimaraes

Search and Discovery.com

...) and doing laboratory measurements of P wave velocity in direction parallel VPpar, perpendicular VPper and 45 degrees from shale bedding VP45, plus...

Role of Compaction in Listric Shape of Growth Normal Faults

Hong-Bin Xiao, John Suppe

AAPG Bulletin

... syndepositionally at the depositional surface and their dips flatten with depth as the surrounding sediments compact, as described by the equation tan...

Statistical Model for Source Rock Maturity and Organic Richness Using Well-Log Data, Bakken Formation, Williston Basin, United States: GEOLOGIC NOTES

Katherine B. Krystinik, Ronald R. Charpentier

AAPG Bulletin

... variable was modified in the following way: (1) for each log variable a linear regression of the form, A + B (DEPTH), was constructed; (2...

Quantification of Illite Content in Sedimentary Rocks Using Magnetic Susceptibility--a Rapid Complement or Alternative to X-Ray Diffraction: RESEARCH METHODS PAPERS

David K. Potter, Patrick W.M. Corbett, Stuart A. Barclay, R. Stuart Haszeldine

Journal of Sedimentary Research (SEPM)

... (computer tomography) imaging, NMR (nuclear magnetic resonance) imaging, and linear X-ray imaging, showed that most of the samples in this study are close...

Abstract: Using Downhole Displacement and Inferred Production for Verification of Measured Test Data, by L. Ray; #90911 (2000)

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Porosity distribution prediction of untapped Gumai Formation by applying multi-attribute analysis: A case study in South Sumatra Basin

Mohammad Risyad, Muhammad Fahmi Yahya Faizan

Petroleum Exploration Society of Australia (PESA)

.... Normally linear regression is performed to obtain mathematical equation between two quantities. Addition of colour may help in making the best cross...

Quartz Grain Orientations--1 (The Photometric Method)

R. F. Sippel

Journal of Sedimentary Research (SEPM)

... velocity surfaces mark the advancing ordinary and extraordinary wave fronts. The extraordinary ray is refracted despite the normal incidence...

Compression behavior of hydrate-bearing sediments

Yi Fang, Peter B. Flemings, John T. Germaine, Hugh Daigle, Stephen C. Phillips, and Josh O’Connell

AAPG Bulletin

... of 112 µm) and logged for density and velocity (Figure 1). In the x-ray images, more highly attenuative, denser material appears darker than the less...