Full-waveform inversion with time-dependent receiver-extension: An efficient inner loop optimization

Mustapha Benziane, Romain Brossier, Ludovic Métivier, Serge Sambolian

International Meeting for Applied Geoscience and Energy (IMAGE)

... problem is a two nestedloops minimization, where the outer loop is the conventional FWI loop to update the subsurface mechanical parameters...

Fracture Identification and Evaluation Using S Waves, by Bob Hardage, #40792 (2011).

Search and Discovery.com

Abstract: Engineering Properties and Bearing Capacity of Malaysian Rocks

Chan Sin Fatt

Geological Society of Malaysia (GSM)

... modulus~ and Poisson's ratio. A comparison is made between the above properties in the three orthogonal directions x~ y~ z. The two common problems...

A Systematic Technique for Describing and Quantifying Fractures in Core

D. F. Lockman, R. P. George Jr, M. J. Hayes

Pacific Section of AAPG

...-generated statistical model, Long determined that two orthogonal sets of fractures can form a continuous network only if the average length of each set...

A Method of Fracture Prediction Across Multiple Stratigraphic Horizons in the Midland Basin, Texas, USA

Caleb Pollock, Christian Seiler, Manoel Valcárcel, Euan Macaulay

Unconventional Resources Technology Conference (URTEC)

... predictions for two predominant fracture types each (Table 2). Because the predicted fracture sets are limited to two dominant types only, both paleo...

Well Spacing and the Identification of Subsurface Drainage Systems

J.E. Robinson

CSPG Bulletin

... pattern, but too few samples will cause the filtered maps to suggest an orthogonal rather than a random effect. Assuming that structural patterns tend...

3D installation of fiber cables for acquiring 3C DAS array data

Yingping Li, David Li, Lianjie Huang, Yingcai Zheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... DAS CCC fiber array is composed of a fiber cable along two perpendicular lines and 25 concentric circles at the surface and a fiber cable of 400 m...

Fracture, Fracture Everywhere: Part I

Rasoul Sorkhabi

GEO ExPro Magazine

..., Ph.D. The term ‘fracture’ includes any break or structural discontinuity in rocks in which two rock fracture surfaces (usually planar) are separated...

Progressive Neogene Deformation of Southern Hedil, Tunisian Atlas: GEOLOGIC NOTES

Curtis R. Cohen , Steven Schamel

AAPG Bulletin

... sets of faults cut the folds: (1) longitudinal and (2) transverse faults, respectively parallel with and orthogonal to the regional structural grain...

Abstract: Compaction Localization—Rule or Exception During Sandstone Burial; #90063 (2007)

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Detection and Analysis of Structurally Controlled Sweet Spots in the Bakken/Three Fork Oil Shale Play of the Williston Basin and the Exshaw/Big Valley Oil Shale Play of the Foreland Basin of Southern Alberta and Northern Montana; #10694 (2014)

Zeev Berger, Martin Mushayandevu

Search and Discovery.com

... shale packages. These unique structural features form the prime location for the exploitation of these two emerging resource plays. Drilling results...

Failure of cap-rock seals as determined from mechanical stratigraphy, stress history, and tensile-failure analysis of exhumed analogs

E. S. Petrie, J. P. Evans, and S. J. Bauer

AAPG Bulletin

...) Bedding plane view of two near-vertical fracture sets observed at this locality. (D) Cross-sectional view of youngest fracture set; horizontal aragonite...

Robust reconstruction via orthogonal matching pursuit with Fourier operators

Ji Li, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

...Robust reconstruction via orthogonal matching pursuit with Fourier operators Ji Li, Mauricio D. Sacchi Robust reconstruction via Orthogonal Matching...

Towards a More Accurate Gas-in-Place Model: Reconciling Gas Storage with Gas Production in the Marcellus Shale, Appalachian Basin, USA

David R. Blood, Scott D. McCallum, Jalal Jalali, Ashley S. B. Douds, Merril J. Stypula

Unconventional Resources Technology Conference (URTEC)

... of overpressure and TOC. URTeC 2558 6 Figure 3: Fracture spacing and its relationship to TOC. (A) TOC vs mean fracture spacing for two joint sets...

My Favorite Outcrop(s): The Woodford Shale SH-77D: Le Couer de Arbuckle Mountains, OK.

Andrew Cullen

Oklahoma City Geological Society

... long fracture sets that strike about ∼N50°W. A second, closely spaced nearly orthogonal fracture shorter fracture set (N30°E) is present but weakly...

Analysis of Scale Exaggeration on Seismic Profiles (1)

DONALD S. STONE

AAPG Bulletin

... scale geometry of two reflecting horizons on a seismic profile (migrated or unmigrated). Unexaggerated dip is 14 degrees, and orthogonal thickness...

Magnetic Stratigraphy and Tectonic Rotation of the Oligocene Alsea, Yaquina, and Nye Formations, Lincoln County, Oregon

Donald R. Prothero, Clio Z. Bitboul, George W. Moore, Alan R. Niem

Pacific Section SEPM

... temperatures. Various authors have 185 Figure 2. Orthogonal demagnetization plots of representative samples from the Alsea, Yaquina, and Nye formations...

Experimental Modeling of Orthogonal and Oblique Basin Inversion: Identifying Structures That Reflect the Paleostrain State

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A Statistical Analysis of Photolineaments and Joints, Terrain Parameters and Lineament Density Near Lethbridge, Alberta

Elkanah A. Babcock

Utah Geological Association

...ed. Joints within the study area belong to four clearly defined sets which form two nearly orthogonal systems. Table 1 summarizes the statisti...

Quantitative Biofacies Analysis

Martin A. Buzas

Special Publications of SEPM

... When two or more normal distributions are considered simultaneously, the covariance between the variates becomes important. The covariance is given...

Regional and Local Components in Facies Maps

W. C. Krumbein

AAPG Bulletin

... by the first orthogonal polynomial for each row from Table III. The first value is (-2.410)(-5) = +12.05 and the second is (-2.410)(-3) = +7.23 to two...

Chapter 99: Deep-water Sheet and Channel-fill Sandstones in the Wildhorse Mountain Formation, Oklahoma, USA

R. M. Slatt, B. Omatsola

AAPG Special Volumes

... has resulted in development of two orthogonal, bed-normal fracture sets (Busetti, 2003). Fracture spacing is somewhat proportional to stratigraphic...

Defining a Gradient in a Sample of Sedimentary Rock: ABSTRACT

E. C. Dahlberg

AAPG Bulletin

...Defining a Gradient in a Sample of Sedimentary Rock: ABSTRACT E. C. Dahlberg 1965 337 337 49 3. (March) Three orthogonal planes (two vertical and one...

The Use of Coring-Induced Petal Fractures in Coal to Supplement and Ground Truth the Interpretation of Image Logs

David Titheridge, Saswata Mukherjee

Petroleum Exploration Society of Australia (PESA)

... orthogonal set is interpreted to be a result of compression followed by uplift. The two red sets are interpreted as cross joints associated with folding...

Coalbed Methane Multicomponent 3-D Reservoir Characterization Study, Cedar Hill Field, San Juan Basin, New Mexico

Thomas L. Davis, Robert D. Benson, Edward L. Shuck

Rocky Mountain Association of Geologists

... Association of Geologists Thomas L. Davis, Robert D. Beizson, Edward L. Shuck 198 PROCESSING DATA ACQUISITON AND wave” and two orthogonal “S-wave...