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The AAPG/Datapages Combined Publications Database

Showing 10,854 Results. Searched 200,599 documents.

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Effects of internal gradients on pore-size distribution in shale

Christian Obasi, and Jack Pashin

AAPG Bulletin

.... D. Seymour, C. Kirkland, and S. J. Vogt, 2013, Low-field nuclear magnetic resonance characterization of organic content in shales: Proceedings...

2018

Paleomagnetic Correlation of Units Within Chugwater (Triassic) Formation, West-Central Wyoming

M. Dane Picard

AAPG Bulletin

... magnetic "events" were noted; twelve of these appear to be caused by a reversal of the earth's magnetic field. Insufficient data are available to determine...

1964

Hotchkiss Superdip: A New Magnetometer

Noel H. Stearn

AAPG Bulletin

... to measure slight variations in the earth's magnetic field. The construction of the Superdip is designed to withstand rough field use. Its...

1929

Using Corona to test NMR response of iron ore chip samples

Mark Downey, Kazek Trofimczyk

Petroleum Exploration Society of Australia (PESA)

... low field NMR can reduce the influence of magnetic mineralogies (Keating et al, 2015). BHP Iron Ore has commenced a program investigating...

2019

Regional Gravity And Aeromagnetic Anomalies In West Texas

G. R. Keller, W. J. Peeples

West Texas Geological Society

... intensity magnetic anomaly data. GeoMetrics, Inc. used a proton precession magnetometer which measures the total magnetic field with a sensitivity...

1985

The Relationship of Gravitational and Magnetic Anomalies to the Process of Granitization

L. N. Elanskii Л. Н. Еланскии

Petroleum Geology: A Digest of Russian Literature

..., then they will be reflected in the observed magnetic field as magnetic anomalies. Thus, there is the possibility of the existence of linear magnetic anomalies...

1958

Abstract: Analysis of Low Field Nuclear Magnetic Resonance Spectra to Determine Wettability and Clay Content; #90213 (2015)

A. Kalogerakis, M. Nicholson, F. Manalo, and A. Kantzas

Search and Discovery.com

...Abstract: Analysis of Low Field Nuclear Magnetic Resonance Spectra to Determine Wettability and Clay Content; #90213 (2015) A. Kalogerakis, M...

2015

Abstract: Magnetostratigraphy of the Central Atlantic Magmatic Province (CAMP) in Morocco; #90137 (2011)

Eric Font, Nasrrddine Youbi, Susana Fernandes, Hind El Hachimi, Zuzana Kratinová, and Youssef Hamim

Search and Discovery.com

... origin for these negative (reverse) magnetic components is questionable since no field or reversal test was provided to constrain the primary...

2011

Abstract: Paleomagnetic and Petrologic Study on Jurassic Gabbroic Rocks from the Central High Atlas, Morocco; #90137 (2011)

V. C. Ruiz-Martínez, A. Casas, J. J. Villalaín, A. Mahmoudi, H. El Ouardi, and B. Moussaid

Search and Discovery.com

... at the field) within the gabbroic outcrop during the compressional folding and uplift of the High Atlas. The scientific significance of the paleomagnetic...

2011

Abstract: Identifying a Bypassed Reservoir in Limestone a Sequence with Magnetic Resonance While Drilling; #90254 (2016)

Oscar Morales, Fabricio Sierra, Nidal Hazboun, Ahmed Elsherif, Vikas Jain, Nate Bachman

Search and Discovery.com

... interval, let alone having good conditions for logging. The LWD tool's static magnetic field geometry was optimized to provide reliable measurements...

2016

Abstract: Magnetic Fabric and Paleomagnetic Study of the Calimani Mountains Pyroclastic Deposits (East Carpathians, Romania); #90310 (2017)

Sonia A. Sortan, Cristian G. Panaiotu, Daniela Dimofte, Relu D. Roban

Search and Discovery.com

.... The analysis of the natural remanent magnetizations using alternating field and thermal demagnetizations was used to determine the magnetic polarity...

2017

Magnetic Fabric Development in an Experimentally Produced Barchan Dune

Brooks B. Ellwood, J. Hatten Howard, III

Journal of Sedimentary Research (SEPM)

.... The magnetic fabric was determined using an automated low-field tortion fiber magnetometer for which the precision is known (Ellwood, 1978). The method has...

1981

Interpretation of Basin Structure from High Resolution Aeromagnetic Data: An Example from the Officer Basin of South Australia

C. A. Foss, Z. S. Shi, J. Teasdale, L. L. Pryer, T. S. Loutit, P. G. Stuart-Smith, K. Romine

Petroleum Exploration Society of Australia (PESA)

.... The fundamental ambiguities of non-uniqueness in magnetic field interpretation have been minimized by using geological source models and applying those models...

2004

Methods of Applied Geophysics: DISCUSSION

E. Pautsch

AAPG Bulletin

... of geophysicists that the cause of magnetic anomalies is the induced magnetism of embedded mass s produced by the earth's magnetic field...

1928

High Resolution Aeromagnetics as an Aid to Structural Interpretation Over the Muturi PSC, Irian Jaya

Neil A. W. Moig

Indonesian Petroleum Association

... focus exploration efforts was required. With recent advances in the acquisition, processing and display of potential field data, gravity and magnetic...

1994

Non-opaque and Opaque Grain Fabrics of Siltstones in Red Peak Member (Triassic), Central Wyoming: REPLY

M. Dane Picard, Douglas D. Beckmann

Journal of Sedimentary Research (SEPM)

... is likely to reflect control by the magnetic field. SIZE AND COMPOSITION OF OPAQUE GRAINS Rees believes that the opaque grains in the siltstones that we...

1967

Extended Abstract: Basement Structure in the Northern Gulf of Mexico Province: Persistent Influence or Rejuvenated?

Michael Alexander, Karim Aimaddeddine

GCAGS Transactions

... of the magnetic basement surface in the northern Gulf of Mexico Province. Bathymetric highs, escarpments, and slope breaks are shown to correlate closely...

2013

Relationship of Thermal and Magnetic Anomalies Above Pools of Hydrocarbons to Natural Electrical Fields

R. S. Seyfullin

Petroleum Geology: A Digest of Russian Literature

... pools of hydrocarbons. In order to calculate the magnetic field that is generated by flow of the electric current, it is necessary to use the Bio-Savar...

1980

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