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The AAPG/Datapages Combined Publications Database
Showing 27,776 Results. Searched 196,360 documents.
Locating massive syneresis fractures in shale: An experimental study
X. Wang, L. Pan, L. Li, H. C. Lau, M. Zhang, H. Wang, and N. Cai
AAPG Bulletin
... regions. The key factor governing the formation of syneresis fractures is the dip angle of the underlying structure. Steeper dip angles tend...
2024
Shear Fault-bend Folding
John Suppe, Christopher D. Connors, Yikun Zhang
AAPG Special Volumes
... by about 1 (with a ramp angle of 17, the no-shear theory predicts a front-limb dip of 18.8, whereas the observed frontlimb dip is 18). This discrepancy...
2004
The Effects of Seismic Data Conditioning on Pre-Stack Simultaneous Impedance Inversion
Scott W. Singleton
GCAGS Transactions
...%. A comparison of wavelets extracted from the angle stacks found amplitude and phase spectra to be much more stabilized, even out to the far...
2008
Abstract: Integrated Imaging of VSP and OBS Data in the Angle Domain; #90254 (2016)
Leon Hu
Search and Discovery.com
... sets of ADCIGs with similar dip-angle contributions. The integrated imaging of two data sets in the angle domain was successfully applied to both 3D...
2016
Use of Bed-Form Climb Models to Analyze Geometry and Preservation Potential of Clastic Facies and Erosional Surfaces
D. K. Larue , P. A. Martinez
AAPG Bulletin
... climbing ripple, occurs where the angle of ripple climb (^agr) is equal to the dip of the stoss slope (ß) of the advancing ripple. Figure 2 shows...
1989
Abstract: Re-Interpretation of the North Flank of Qarun "A" Field (Western Desert, Egypt), Based on SCAT Analysis and Reprocessing of the A-17 Dipmeter, by James D. Morse; #90072 (2007)
Search and Discovery.com
2007
Combination of Deep-Reading and Near-Wellbore-Scale Measurement in Accessing Thin Layer Facies of a Carbonate Reservoir, #42511 (2020).
Adrean Pudyaksa, Hendri Harsian, Takefumi Shibuya, Ni Made Wilasari, Olivia Azwar, Ihsan Taufik Pasaribu,
Search and Discovery.com
... resistivity image result in the lateral section was used to identify the structural tendency and define the actual dip angle along the wellbore...
2020
Geometric Models of Listric Normal Faults and Rollover Folds (1)
WILLIAM F. DULA, JR.
AAPG Bulletin
... at an angle, (Greek) alpha, to a line normal to the regional dip (Figure 3). A simple graphic construction (Figure 4) for he inclined-shear model...
1991
Quantifying Crack Properties of Source Rocks from Elastic Stress Sensitivity
Jihui Ding, Anthony C. Clark, Tiziana Vanorio, Adam D. Jew, John R. Bargar
Unconventional Resources Technology Conference (URTEC)
...-to-tangential compliance ratio and maximum dip angle relative to bedding. Our modeling results confirm that the compliance ratio is sensitive to fluid...
2021
Determination of Attitude of Beds in Drill Holes by Inclinometer
T. Rokosh
Petroleum Geology: A Digest of Russian Literature
... of an inclinometer. The angle of dip (∝) of the oil-bearing horizon was determined in well 1. The gas-oil and oil-water contacts were known from other studies...
1979
Abstract: Foreland Structure - Beartooth Mountains, Montana and Wyoming, by D. M. Clark; #90952 (1996).
Search and Discovery.com
1996
Abstract: Diffraction Imaging Using Multiplication Imaging Condition; #91204 (2023)
Dongliang Zhang, Constantine Tsingas
Search and Discovery.com
... of diffraction imaging using the multiplication imaging condition. METHODS The key idea is that discontinuity responses are comprised of all dip angle ranges...
2023
Trishear Kinematic Modeling of Structures, with Examples from the Neuqun Basin, Argentina
Richard W. Allmendinger, Toms Zapata, Ren Manceda, Francisco Dzelalija
AAPG Special Volumes
..., (3 and 4) X and Y coordinates of the tip line, (5) P/S, and (6) trishear angle. Because no changes in fault dip are permitted, the fold produced...
2004
Some Applications of CT-Scanner in Petroleum Engineering
Septi Anggraeni, Indra Jaya, Bambang Widarsono, Hari Hardiman, Pamuji, Alit Gurmilang
Indonesian Petroleum Association
... a bedding plane is visible (as seen in Figure 3 ), its dip angle can be measured directly from the scout-view (on monitor or on a printed image). However...
2002
Prediction of Normal-Fault Geometries--A Sensitivity Analysis
Martha Oliver Withjack, Eric T. Peterson
AAPG Bulletin
...-Chevron and dip-line constructions of Williams and Vann (1987) conserve cross sectional area. Second, case studies have shown that inclined simple shear...
1993
Slide Rule Seismic Computations
Robert H. Mansfield
Oklahoma City Geological Society
..., which will also make it assume the correct dip angle, z, from the horizontal. The distances "h" and "R" are read End_Page 313...
1958
Unlocking Flexure Oil Pay in the ESE Flank Associated with Mature Peripheral Waterflood in BK Field
Henrikus Panjaitan, Randy Agra Pratama
Indonesian Petroleum Association
... to the conclusion that classic piston-like waterflood displacement might not be a suitable approach since * the calculated Dietz flood front angle...
2014
Advanced Approach Toward Understanding Geologically Complex Area Using MDRS (Multi-Dip CRS): A Case Study
Naoshi Aoki, Shogo Narahara, Akihisa Takahashi, Tsukasa Nishiki
Indonesian Petroleum Association
...Advanced Approach Toward Understanding Geologically Complex Area Using MDRS (Multi-Dip CRS): A Case Study Naoshi Aoki, Shogo Narahara, Akihisa...
2011
Graphical Template for Determination of Dip from Aerial Vertical Photographs: GEOLOGICAL NOTES
Richard L. Threet
AAPG Bulletin
... that: EQUATION (1) EQUATION (2) End_Page 1010------------------------------ where ^agr = angle of apparent dip in degrees h = vertical distance, on optical...
1956
Measurement of Dip Angles on Aerial Photographs: GEOLOGICAL NOTES
Louis Desjardins
AAPG Bulletin
..., and actual dip slopes on the rocks or in the topography are commonly seen. Any attempt to estimate the angle of dip in these cases, will usually...
1943
"Jacob Staff" and Measurements of Stratigraphic Sequences: GEOLOGICAL NOTES
J. A. Broggi
AAPG Bulletin
.... Whatever the direction of the measurement, the clinometer angle reading should be equal to the stratum dip Sd, that is, 30° in Figure 1. 3. Vertical strata...
1946
Subsalt Imaging — Coherent Noise Removal and Steep Dip Enhancement in Support of Subsalt Exploration
Search and Discovery.com
N/A
A New Parallel Fold Construction Method from Borehole Dip for Structural Delineation; #41969 (2016)
Tetsushi Yamada, Isabelle Le Nir, Eric Moscardi, Arnaud Etchecopar
Search and Discovery.com
... the stratigraphic polarity for each dip (normal or reverse, as this affects the resulting cross section), and estimate the possible geological structure...
2016
Abstract: Robust Multiple Attenuation Workflow and Flexible Anisotropic Tomography for Better Imaging. Shallow Water Case Study, Gulf of Suez; #90319 (2018)
Ahmed Khaled Ali, Mahmoud Ahmed, Matthias König, Tillmann Roth, Ivica Mihaljevic, Sameh Abdel-Basset, Mahmoud Ouda, Wessam Saleh, Tarek El-Melegy, Hesham Abu El-Saad
Search and Discovery.com
... on only few near offset traces because the critical reflection angle is usually reached quickly. Unfortunately, this limits the effectiveness of any...
2018
Complementary Structural Analysis of Channelized Turbidites in the Offshore Niger Delta: Integration of 3D Seismic Data, Inversion of Extra-Deep Azimuthal Resistivity Data, Gamma and Density Borehole Images, #42352 (2019).
Chidi N. Ndokwu, Stephen A. Morris, Johanne Paludan, Victor Okowi, Olatunbosun Olagundoye, Nsikak Umoren, Arnaud Delpeint, Onyeka Ndefo, Adekunle Agbejule, Richmond U. Ideozu, Jones E. Acra,
Search and Discovery.com
... refers to the angle between a line normal to the bedding plane and the wellbore axis measured in their common plane. Figure 4. Cumulative dip magnitude...
2019