Structural interpretation of seismic images with volumetric hypersurface curvatures

Anne-Laure Tertois, Igor Ravve, Zvi Koren

International Meeting for Applied Geoscience and Energy (IMAGE)

..., wave velocity, impedance, relative geological time, etc. Our governing equations for the principal curvatures, based on the invariants of the field...

What will it take to improve the characterisation of deep mineral deposits in order to assess economic valueŽ early in the discovery process?

Joe Cucuzza

Petroleum Exploration Society of Australia (PESA)

... (a product of velocity and density), whilst in tomographic seismic surveys wave velocity changes is the principal parameter. As it has been shown...

Stratification by In-fauna Debris: A Structure, a Mechanism and a Comment

Raymond Keary, Brendan F. Keegan

Journal of Sedimentary Research (SEPM)

... was covered rapidly and buried by the motion of the sand under wave and tidal influences. 2. The substrate is a clean sand (less than 1% silt and mud...

Introduction: Chapter 1

George B. Asquith

AAPG Special Volumes

... work. While it is true that the mathematical formulas and adjustments necessary to obtain the correct information from logs in shaly sand reservoirs...

Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)

Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan

Search and Discovery.com

... geophysicists. For clarity, we present the central theoretical result behind FWI as a mathematical theorem stating that a linear update to a migration velocity...

High Resolution Non-Destructive Chemostratigraphy of Vaca Muerta Formation, Argentina: New Evidence of Black Shale Sedimentary Features, #41310 (2014)

Claudio Larriestra, Roberto Merino

Search and Discovery.com

... is sensitive to density (Rhob is inversely related to TOC) and sonic wave transit time logs (direct relationship between DT and TOC). Moreover...

Seismic Array Response in the Presence of Intra-Array Variations in Element Weights, Elevations, and Positions; #42328 (2018)

Ryan Adhi Putra, Abdullatif A. Al-Shuhail

Search and Discovery.com

... as incident wave. Gangi and Benson (1989) explained the wavelet response due to errors in weights and position of the elements of the geophone arrays...

Driving Mechanisms for Drainage Volume and Cumulative Oil: Case Studies for the Midland Basin with Diffusive Time of Flight and Machine Learning

Yuxing Ben, Osama Raba, Kyle Smith, Jaeyoung Park, Raquel Gordillo

Unconventional Resources Technology Conference (URTEC)

... analysis is the radius of investigation, which is related to the propagation of a pressure disturbance (Lee, 1982). This concept was generalized...

A Novel Casing in Casing Refracturing Treatment for a Bullheading Re-fractured Well in Fuling Shale Gas Field - A Case Study

Zhiyong Lu, Jincai Shen, Chi Zhang, Yue Ming, Rong Han, Bin Wang

Unconventional Resources Technology Conference (URTEC)

... of fracture propagation into depleted original fractures. URTeC 3724018 8 To overcome these challenges, technical solutions were customized...

Identifying Cumulative TVD Error in Horizontal Wells Drilled with Rotary Steerable Systems

Joel Dunn

Unconventional Resources Technology Conference (URTEC)

... is a relatively simple calculation, whereas some of the novel methods are more complex requiring a higher level of mathematical aptitude to understand...

Three-Dimensional Modeling Techniques in the Analysis of a Mature Steam Drive: Chapter 18

Ramsay A. Barrett, Jeffery Bailey

AAPG Special Volumes

... (channels and bars) that geologists associate with these depositional features. Models built strictly on a mathematical basis (i.e., no interpretation...

2012 AAPG ANNUAL CONVENTION AND EXHIBITION, April 22-25, 2012, Long Beach, California, USA; - Abstracts, #90142 (2011).

Search and Discovery.com

ELECTRONIC COMPUTERS AID IN EXPLORATION DECISIONS AND INTERPRETATIONS

E. J. Assiter

Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)

... in the first category. The reason for this is the facility that interpretational procedures may be expressed in mathematical form. Examples...

The Role of Positive Feedback in the Development of Internal Oscillations for a Simple, Tightly Coupled, Nearshore Depositional Model

Brian S. Penn, John W. Harbaugh

Special Publications of SEPM

... environments It is not necessary that the underlying mathematical formulations be perfectly accurate it is likely that none are but important...

Stratigraphic Models in Exploration

L. L. Sloss

Journal of Sedimentary Research (SEPM)

... of actual, mathematical, or conceptual devices, models, to which observations are referred for analogy and comparison and as a basis for prediction...

Fluid Mechanics of Deep-Well Disposals

A. F. Van Everdingen

AAPG Special Volumes

... in wells: 3d World Petroleum Cong. Proc., The Hague, sec. 2, p. 503-521. Mathematical Tables Project, 1940, Tables of sine, cosine and exponential integrals...

Stratigraphic Models in Exploration

L. L. Sloss

AAPG Bulletin

... of actual, mathematical, or conceptual devices, models, to which observations are referred for analogy and comparison and as a basis for prediction...

Seepage pathway assessment for natural gas to shallow groundwater during well stimulation, in production, and after abandonment

Maurice Dusseault and Richard Jackson

Environmental Geosciences (DEG)

... a depth of ∼350 m (∼1100 ft), the natural stress regime leads to horizontal fracture propagation and, below ∼400 m (∼1300 ft), induced fractures...

Advances in Technique and Application of Resistivity and Potential-Drop-Ratio Methods in Oil Prospecting

C. A. Heiland

AAPG Bulletin

..., "Mathematical Theory of Electrical Flow in Stratified Media with Horizontal Homogeneous and Isotropic Layers," Geophysical Prospecting (Amer. Inst. Min. Met...

Seismic Stratigraphy of the Quintong Depression, Jiangsu Province, China

Hu Zhen-Zhong

Circum Pacific Council Publications

..., and the southern part was more deeply buried, thus forming a half-graben structure. Sequence B is the T response-wave group; its geologic...

Physical Oceanography of the Gulf of California: Chapter 25: Part V. Physical Oceanography, Primary Productivity, Sedimentology

N. A. Bray , J. M. Robles

AAPG Special Volumes

... Society of London, ser. A, v. 220, p. 1-93. Taylor, G. I., 1921, Tidal oscillations in gulfs and rectangular basins: London Mathematical Society...

Coalbed Methane Applications of Wireline Logs: Chapter 13

Patrick L. Scholes, Dave Johnston

AAPG Special Volumes

... characteristics of a sound wave emitted from a transmitter in the tool. The wave arrives at one, or more, receiver(s). The sound wave properties...

An Integrated Approach to Determining 4D Stress Development at Castle Cove

Hugo B. Burgin, Khalid Amrouch, Philippe Robion, David Kulikowski

Australian Petroleum Production & Exploration Association (APPEA) Journal

..., the mathematical representation is an ellipsoid of varying shape and magnitude (Fig. 5) (Jelinek 1981). With a high sensitivity to even a slight preferred...

Preservation of Autogenic Processes and Allogenic Forcings in Set-Scale Aeolian Architecture II: The Scour-and-Fill Dominated Jurassic Page Sandstone, Arizona, U.S.A.

Benjamin T. Cardenas, Gary Kocurek, David Mohrig, Travis Swanson, Cory M. Hughes,, Sarah C. Brothers

Journal of Sedimentary Research (SEPM)

.... Bridge, J., 1997, Thickness of sets of cross strata and planar strata as a function of formative bed-wave geometry and migration, and aggradation...

Production Optimization Using Machine Learning in Bakken Shale

Guofan Luo, Yao Tian, Mariia Bychina, Christine Ehlig-Economides

Unconventional Resources Technology Conference (URTEC)

... in Bakken Shale. They generated more than 50 seismic attributes such as curvature, acoustic impedance inversion, and compressional and shear wave velocities...