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The AAPG/Datapages Combined Publications Database

Showing 10,855 Results. Searched 200,630 documents.

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Magnetostratigraphy of Permo-Carboniferous Time

Neil D. Opdyke

Special Publications of SEPM

... to that observed before and after the Cretaceous quiet zone (KQZ). The earth's magnetic field seems to have two states, one with reversal frequencies...

1995

Western Caribbean intraplate deformation: Defining a continuous and active microplate boundary along the San Andres rift and Hess Escarpment fault zone, Colombian Caribbean Sea

Luis Carlos Carvajal-Arenas, and Paul Mann

AAPG Bulletin

... restorations. Regional Analysis of Potential Field Data We processed all of the gravity and magnetic grids using Geosoft Oasis Montaj software...

2018

Non-Seismic Geophysical Modelling Methods for Realistic Characterisation of 3D Geology in Greenfields Exploration: a Case Study from the Southern Carnarvon Basin, Australia

Helen Gibson, Chloe Burney, Desmond FitzGerald, Matt Zengerer

Indonesian Petroleum Association

..., and the potential field data. Results of the magnetic property optimisation revealed a predominant magnetisation of the basement, as expected. Results of the density...

2014

Validity of Polar and Continental Movement Hypotheses Based on Paleomagnetic Studies

J. W. Northrop III , A. A. Meyerhoff

AAPG Bulletin

... of the earth's magnetic field is essentially correct. The last involves two corollary assumptions: (a) that the geomagnetic and rotational poles always have...

1963

Geological History of the Arctic Ocean

Jane Whaley

GEO ExPro Magazine

.... “At GETECH we hold the world’s most extensive commercial library of gravity and magnetic data, which we are using this build up our knowledge...

2007

Some Problems of Coordinated Study of the Deep Subsurface of the East Carpathians

M. I. Mel’nichuk, V. G. Kuznetsova, I. Sh. Rakhimova

Petroleum Geology: A Digest of Russian Literature

... to the deep subsurface. During the course of several years repeated observations were made of the vertical component of the magnetic field within...

1974

Porosity Evaluation of Shales Using NMR Secular Relaxation

Hugh Daigle, Andrew Johnson, J. P. Gips, Mukul Sharma

Unconventional Resources Technology Conference (URTEC)

... relaxation in a porous medium in the presence of an inhomogeneous magnetic field is mainly the result of four processes: intermolecular dipolar coupling...

2014

ABSTRACT

Search and Discovery.com

N/A

Pulsed Power Plasma Stimulation Technique … Experimental Study on Single Pulse Test for Fractures Initiation

Yue Xiao, Waylon House, Ebru Unal, Mohamed Soliman

Unconventional Resources Technology Conference (URTEC)

... current operate on microsecond time scales. In both laboratory and near zone field applications where transient magnetic effects dominate...

2018

Structural Framework of Sunda Shelf

Zvi Ben-Avraham, K. O. Emery

AAPG Bulletin

... graphically as described by Parke et al. (1971). In the construction of the magnetic anomaly map (Fig. 21), the regional field was reduced by 150 gammas...

1973

Application of Integrated Geophysical Techniques to Characterize the Edwards Aquifer, Texas

Charles B. Connor, Stewart K. Sandberg

Bulletin of South Texas Geological Society

... of the secondary magnetic field (Spies and Frischknecht, 1991). Data obtained from many transmitter cycles are stacked to cancel random noise. For each loop...

2001

Research Methods Paper A Quick and Inexpensive Sample Preparation Method for AMS Microfabric Analysis in Fine-Grained Sediment

D. Cummings, R.W.C. Arnott

Journal of Sedimentary Research (SEPM)

... at the time of sediment deposition. Anisotropy of magnetic susceptibility, or AMS, is a sophisticated yet simple method for measuring grain fabric...

1998

Update on the geophysical expression of the Abra sedimentary replacement Pb-Ag-Cu-Au deposit, Western Australia

David Stannard, Jayson Meyers, Ed Turner, Angelo Scopel

Petroleum Exploration Society of Australia (PESA)

... of the magnetic polygonal model lead to the discovery of the deposit in 1981. A constrained potential field inversion study by Eden (2011) showed that the known...

2019

Newly-recognised Continental Fragments Rifted from the West Australian Margin

S. E. Williams, J. M. Whittaker, R. D. Müller

Petroleum Exploration Society of Australia (PESA)

... and Australia within the Perth Abyssal Plain. Total-field surface marine magnetic anomaly data collected in October–November 2011 onboard the R/V...

2013

Revised Sea-Floor Spreading History of the Argo Abyssal Plain

Dona Mihut, R. Dietmar Müller

Petroleum Exploration Society of Australia (PESA)

... magnetic data jointly with gridded gravity and bathymetry data to construct a new plate kinematic model. A complete set of anomalies from M26 (155.0 Ma...

1998

Geophysical and Petrological Study of Precambrian of Central Alberta, Canada

G. D. Garland , R. A. Burwash

AAPG Bulletin

... it is shown that the major part of the gravitational as well as magnetic anomaly field must be due to Precambrian features. The results should...

1959

ABSTRACT: Definition of Williston Basin Basement Structural Trends, Features, and Plays Utilizing High Sensitivity Aeromagnetic Data

Richard B. Inden, Ed de Ridder, Penny Frush, David Lindsey, Bill Pearson

Williston Basin Symposium

... are delineated using a vertical derivative map, and residualized stacked line profile displays, in conjunction with 2-D magnetic models...

1995

A New Compass for Geologists: GEOLOGICAL NOTES

F. B. Plummer

AAPG Bulletin

... constructed a new compass. The instrument has been designed according to specifications furnished by experienced field geologists to improve upon...

1921

The Application of Digital Computers to Exploration Operations: Abstract

James M. Forgotson Jr.

Tulsa Geological Society

... of the gravity or magnetic field are amenable to computer solution. The theoretical gravity or magnetic effect resulting from a known, or hypothetical...

1963

Abstract: Late Devonian - Early Carboniferous evolution of the Cobequid Highlands

G. Pe-Piper, D. J. W. Piper

Atlantic Geology

... on geophysical data and field mapping, but takes into account recent geochronology. The earliest basin sedimentation and volcanism in the eastern Cobequid...

1995

Use of Remote Sensing Images for Study of Tectonics of the Botuobinsk Oil-Gas Region

L. G. Chuganov

Petroleum Geology: A Digest of Russian Literature

... of lineaments in the Tevriz gas field in the south of West Siberia. An increase in density of lineaments is noted above buried anticlines...

1985

Abstract: Prediction of Porosity and Permeability of Heterogeneous Shaly Gas Sand Reservoirs Using Neural Network Algorithm

G. M. Hamada, M. A. Elshafei

Geological Society of Malaysia (GSM)

... interpretation methodologies are essential for improved reservoir characterization. Nuclear magnetic resonance (NMR) logs differ from conventional...

2017

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