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The AAPG/Datapages Combined Publications Database

Showing 97,835 Results. Searched 200,619 documents.

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The Exploration Desk: Quantitative Photogeology Using the Multiplex Projector: Part II: Photogeologic Exploration by Multiplex

P. H. Blanchet

CSPG Bulletin

... they are perspective, not orthogonal, views of the ground. This makes dip estimations difficult and inaccurate. Equal dip slopes in different parts of the model...

1955

Integrated Exploration of the Owambo Basin, Onshore Namibia: Hydrocarbon Exploration and Implications for a Modern Frontier Basin; #10609 (2014)

Thomas E. Hoak, Alan L. Klawitter, Charles F. Dommer, Pasquale V. Scaturro

Search and Discovery.com

... for world-class reserves. Introduction Namibia contains two large onshore basins, the Nama Basin in the south and the Owambo Basin in the north...

2014

Orthophosphate: Effect on the Relative Stability of Aragonite and Magnesian Calcite During Early Diagenesis

Lynn M. Walter, Jeffrey S. Hanor

Journal of Sedimentary Research (SEPM)

..., v. 37, p. 2435-2447. THORSTENSEN, D. C., AND PLUMMER, L. N., 1977, Equilibrium criteria for two-component solids reacting with End_Page 943...

1979

Inexact alternating direction method of multipliers (InADMM) for the acceleration of l2Šl1 inverse problems

Joaquín A. Acedo, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

...-update, entails solving a large system of equations in each iteration of the ADMM solver. This research addresses two fundamental questions...

2024

Experience with Surface and Downhole Vector Wavefield Recording in Central Sumatra

Eddy Murhantoro, Jeff Wright

Indonesian Petroleum Association

... for the two orthogonal horizontal components. Corrections were then made for smoothed differences due to anisotropy over a time window 0-1500msec...

1989

Extended Abstract: New Views on Salt Tectonics and Salt Modeling Using the Latest Seismic Imaging Technologies, for Subsalt and Presalt Exploration in the Mississippi Canyon, Gulf of Mexico

Quincy Zhang, Laurie Geiger, Cristina Reta-Tang, Steve Hightower, Sherry Yang, Wei Gao

GCAGS Transactions

... of Mexico. Thanks to newly acquired Wide Azimuth (WAZ) and orthogonal WAZ data, advanced migration algorithms and model building techniques such as using...

2013

Reconnaissance spatial analysis of the hydrogeology of closed underground coal mines

Annie J. Morris, Joseph J. Donovan, Jane E. Thies

Environmental Geosciences (DEG)

... projected onto the mine mapping to generate two-dimensional mapping showing the regional distribution of mine flooding. However, most of the area...

2008

Fluvial Architecture of the Hawkesbury Sandstone (Triassic), Near Sydney, Australia

Andrew D. Miall, Brian G. Jones

Journal of Sedimentary Research (SEPM)

... by the orientation diagrams at the base of the profile and by the course of the boat shown in Figure 2. The top a are labeled with capital letters in circles. Two...

2003

Development of Vertical Cable Seismic System

Eiichi Asakawa, Fumitoshi Murakami, Yoshihiro Sekino, Taku Okamoto

Indonesian Petroleum Association

... underwater shot positions using multiple VCS records. A total of four sets of the VCS have been developed and we carried out two VCS surveys...

2012

Pictographs at Paint Rock: On Cliffs near Paint Rock, in Concho County, Texas Indians Once Painted Stories and Sermons in Stone to Record Their Lives, Times, and Religions

West Texas-San Angelo Geological Societies

West Texas Geological Society

..., Times, and Religions West Texas-San Angelo Geological Societies 1961 45 47   Two hundred years ago, a Comanche brave stood before a smooth rock face...

1961

Modern Fine-Grained Sediments in the Gulf of California: Chapter 27: Part V. Physical Oceanography, Primary Productivity, Sedimentology

Jumpei Baba, Curt D. Peterson, Hans J. Schrader

AAPG Special Volumes

... laminated sediments from the recent box cores (BAP82) shows no evidence of systematic differences between the two sets of core tops. Sample localities...

1991

Forward modeling for arbitrary irregular free-surface based on body-fitted grid

Erxiang Wei, Jianping Huang, Zhenchun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... boundaries by interpolation for various irregular terrains, then generate an orthogonal body-fitted grid in the physical model to avoid the staircase...

2023

Depositional Systems Upper Cretaceous Mancos Shale and Mesaverde Group, Northwestern Colorado: Part 1

J. Michael Boyles, Alan J. Scott

Rocky Mountain Section (SEPM)

... at Rakestraw Ranch. Paleocurrent data taken on cross-bed sets, n = number of readings. Within the sandstones one can identify two major types...

1981

Substantial heterogeneity of carbon and oxygen stable-isotope compositions of single layers or specimens of natural carbonate materials: New evidence from replicate sampling of continental carbonates affirms previous evidence from marine limestones

Laura A. Dupont, L. Bruce Railsback, Julia E. Cox

Journal of Sedimentary Research (SEPM)

... samples in soil profiles, most commonly with two samples from one level but in one case with four samples. Ranges of δ13C and δ18O in the 22 sets...

2021

3-D Geocellular Modeling

Mike Shepherd

AAPG Special Volumes

... geology was to map the structure and rock properties in two dimensions using mapping software. The use of 2-D mapping is a crude method of capturing...

2009

Wall-and-Basin Structure: An Intriguing Tectonic Prototype in the Central Sverdrup Basin, Canadian Arctic Archipelago

J.T. Van Berkel, W.M. Schwerdtner, J.G. Torrance

CSPG Bulletin

... that most of the wall segments strike N-S or WNW-ESE. The diapirs may have risen along two sets of vertical fractures generated by lateral pull...

1984

Accelerating Development Optimization in the Bakken Using an Integrated Fracture Diagnostic Pilot

Yueming Liang, Holger Meier, Karthik Srinivasan, Hussain Tahir, Alberto Ortega, Kelvin Amalokwu, James Friedrich, Joy Okpala, Kendal Decker, Matthew Brown, Tim Benish, Haylee Crozier, Peeyush Bhargava, Prasad Sumant, James Reavis

Unconventional Resources Technology Conference (URTEC)

... in the Bakken. Two dedicated monitor wells were drilled around a single Middle Bakken producer to measure wetted and conductive fracture geometries...

2022

Anisotropic Depth Migration Applied in an Area of the Colombian Llanos Foothills as a Tool for Understanding the Structure in Depth

Isabel Cristina Florez, Rob Vestrum

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

.... The position of the structure and dips were confirmed by two wells drilled in the area, which verifies the use of the Prestack Anisotropic Depth...

2006

Exploring the horizontal component of OBN surveys for added value to imaging

Samara Omar, Jim Simmons, Carlos Calderón

International Meeting for Applied Geoscience and Energy (IMAGE)

... the positive offset stacks (third row) are generally poor. The blue circles on the 800 1200 m stacks highlight an example of a reflector which...

2023

A Production Decline Model Based on Anomalous Diffusion Stemming from Complex Fracture Network

Shuai Liu, Han Li, Peter Valkó

Unconventional Resources Technology Conference (URTEC)

...e network, which probably consists of orthogonal or near orthogonal conductive fracture sets. 1.50 50 1.25 1.00 5 qD qnp bbl psi 10 0.75 0.50 1 0....

2018

Barren Meandering Streams in the Modern Toiyabe Basin of Nevada, U.S.A., and Their Relevance To the Study of the Pre-vegetation Rock Record

Alessandro Ielpi, Mathieu G.A. Lapôtre

Journal of Sedimentary Research (SEPM)

... signature of the McLeod Springs Wash trunk channel, as inspected along two trench sections oriented, respectively, orthogonal and parallel...

2019

How much systems-tract scale, three-dimensional stratigraphic variability is present in sequence stratigraphy?: An answer from the middle Miocene Pearl River Mouth Basin

Shaohua Xu, Jianhui Han, Yingmin Wang, Min He, Xiong Pang, Weitao Chen, Chenglin Gong, Chunyu Qin, Xiaogang Li, and Shang Xu

AAPG Bulletin

... 1261 1285 104 6 Prior sequence stratigraphic methods mainly employed two-dimensional (2-D) stacking patterns to reconstruct stratigraphic frameworks...

2020

Memorial: George Franklin Buttram (1886-1966)

Jerry B. Newby

AAPG Non-Technical and Memorials

... at hand. Frank's elementary education was received in rural schools and in these he taught for three years. H e completed the two years of college work...

1967

Systematic Distribution of Salt Units in the Junction Zones of the Deep Border Faults of the Dnieper-Donets Rift

L. I. Ryabchun, V. K. Gavrish, A. I. Neaoshovenko

Petroleum Geology: A Digest of Russian Literature

.... Each zone is bounded in most places by two faults, between which is a junction zone that consists of a system of horsts and grabens. These have been...

1988

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