AAPG Archie Series, No. 1, Chapter 10: Modeling Log Responses in Thinly Bedded Reservoirs

Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia

AAPG Special Volumes

... dipping planar beds, and plane boundaries between regions with different dip angles. Figure 10.1. One-dimensional (1-D) earth models. A: Variation...

Significance of Fault Seal from Exploration to Field Development – Geomechanical Perspective

Search and Discovery.com

PINNslope: Physics-informed neural network slope prediction and interpolation with positional encoding

Francesco Brandolin, Matteo Ravasi, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

.... It is a good approximation of the ground truth (fig.4a), except for events with conflicting dip that cannot be recovered since we are relying on the plane...

SEISMIC REFLECTION SURVEYING FOR OIL AND GAS FIELDS IN NORTH CENTRAL TEXAS

TED COUGHRAN

Fort Worth Geological Society

... filtering, spectral balancing, migration before stack (MBS), and dip moveout (DMO). Sophisticated programs that glean information from waveform...

Fracture Evaluation of Block P-0315, Point Arguello Field, Offshore California, Using Core, Outcrop, Seismic Data and Curved Space Analysis: Fractured Reservoirs: Origin, Description, Evaluation

M. J. Padgett, D. C. Nester

AAPG Special Volumes

..., the second derivative of a horizon will approximate the curvature if the dip is not too large. Note that the radius of curvature is the reciprocal...

Balanced Cross Sections of Small Fold-t hrust Structures

John H. Spang, James P. Evans, Robert R. Berg

Rocky Mountain Association of Geologists

... (shown in Figure 2) for the Sage Creek anticline. The calculated dip of the basement fault is 41" relative to the local dip on the upper basement...

Magnetic Disturbance Caused by Buried Casing

William M. Barret

AAPG Bulletin

... and the OX - axis is termed the inclination, or dip, and may be found as follows: EQUATION (8) In Figure 2 are shown curves representing equations (5...

Land 3D Acquisition Techniques Related to S.E. Asian Situation

Walter Ritchie

Indonesian Petroleum Association

... of profile can be corrected to represent true structure via 2D migration when recorded in direction of true dip. Typically, however, seismic sections...

A Methodology For Determining Orientations In Unscribed Core

Robert W. Dalrymple, Laurent Godin

Journal of Sedimentary Research (SEPM)

... unoriented. Provided the core does not intersect bedding at a 90° angle, and that the attitude of bedding (strike and dip) and the drill hole (azimuth...

Chapter 10-part 3: 3-D Depth Image Interpretation

William L. Abriel, Joseph P. Stefani, Robert D. Shank, David C. Bartel

AAPG Special Volumes

... there is so large. Even small errors in the local dip of the interface will fail to adequately place the subsurface energy. 3-D software is used to build...

Seismic Lithology (AVO) Interpretation at the Badak and Nilam Fields in the Sanga Sanga Block, Kalimantan

William C. Ade, Ian T. McMahon, Wahyudin Suwarlan

Indonesian Petroleum Association

... by the lack of west dip above the shallow "E" marker (Figures 6 and 7). At the deep "K" marker, the structure flattens to a very gentle fold...

Graphic Method for Determining True Dip from Two Components: DISCUSSION

John L. Rich

AAPG Bulletin

...Graphic Method for Determining True Dip from Two Components: DISCUSSION John L. Rich 1936 1496 1496 20 11. (November) Four years ago I described...

New Mathematical and "Stereographic Net" Solutions to Problem of Two Tilts--With Applications to Core Orientation

Curtis H. Johnson

AAPG Bulletin

...), the true dip of the beds in the core is found to be 70° N. 13° W. In the second example, referring to Figure 9: The dip of the top of the core...

Mapping Rock-Property Changes and Fluid Migration Due to Hydraulic Fracturing

Jyoti Behura

Unconventional Resources Technology Conference (URTEC)

... seismic waves. result in seismic activity and many of the changes that do result in seismic activity might be below the noise threshold. Second...

Estimation of the Current Recovery Factor for the Flooded Part of Stratum VI of the Ashet Sector of the Arlan Oil Field

M. S. Sayfullin, V. P. Pavlov

Petroleum Geology: A Digest of Russian Literature

... of this sector is not much different from that of other sectors of the pool, then the calculated coefficients give a first approximation...

A depth uncertainty estimation method using interval-domain anisotropic VTI velocity and travel time detectability criterion

Andrey H. Shabelansky, Cory J. Hoelting, Min Yang, Sizhuang Deng, Jinsong Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... transverse isotropy (VTI) medium that is based on normal moveout (NMO) travel-time calculations and a detectability criterion. We provide the mathematical...

Simultaneous 3D 4C - OBC & VSP Walkaway Survey in the Attaka Field, East Kalimantan, Indonesia

Bill Borland, Phil Johnston, Mike Reblin, Suta Vijaya, Omar Kulbrandstad, Muhammad Idrees, Scott Leaney, Jan van de Mortel

Indonesian Petroleum Association

... to the well control, and provides needed input for 4C data processing algorithms, including common conversion point (CCP) mapping, CCP moveout corrections...

PP-PS depth-domain AVA inversion

Maud Cavalca, Robin P. Fletcher

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Geometrical spreading is approximated using a paraxial approximation. The second set simulates the effects of the PS migration operator. Migration Green...

Simplification of the John L. Rich Dip Construction: GEOLOGICAL NOTES

W. G. Woolnough

AAPG Bulletin

... to the graduation (here 21°) corresponding with the angular value of the dip. Let this intersect the vertical line AB in C. Proceed similarly with the second...

A New Dip Logging Method

F. G. Boucher

Tulsa Geological Society

... hole. Second, the continuous type of log made by the dip indicator is an asset for four reasons: (a) dips can be computed for almost any desired depth...

Recent advances on the inversion of deep directional borehole resistivity measurements

Vladimir Puzyrev, David Pardo, Víctor Calo, Carlos Torres-Verdín

Petroleum Exploration Society of Australia (PESA)

.... Figure 1. Real geological model (left) and its 1D approximation (right). Each formation column has an independent dip value. The main advantage...

Abstract: Successful Imaging Below Salt: Technique and 2 Case Histories, by R. Marschall, H.-J. Zoch, C. Henke, M. Krieger, and F. Kockel; #90923 (1999)

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Abstract: Full Waveform Inversion with Phase Encoded Deconvolution Imaging Condition; #90224 (2015)

Wenyong Pan, Kris Innanen, and Gary Margrave

Search and Discovery.com

...  norm. Applying a second order Taylor-Lagrange development of the misfit function and then taking partial derivative with respect to the model parameters...

ABSTRACT: SCAT Dip Analysis and Isogon-Controlled Sections improve 3-D Seismic, by James D. Morse, C. A. Bengtson, and Duane Dopkin; #91019 (1996)

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Sandstone Imbrication Study in Planar Sections: Dispersion, Biasses, and Measuring Methods

G. S. Gibbons

Journal of Sedimentary Research (SEPM)

..., especially where strongly tabular grains are present and the dip (plunge) of imbrication is steep. Such grains may show apparent elongation parallel...