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The AAPG/Datapages Combined Publications Database

Showing 9,895 Results. Searched 188,614 documents.

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Author's Reply: DISCUSSION

William M. Barret

AAPG Bulletin

... permeability or to induced polarization of the tabular mass, the latter interpretation being supported by empirical data collected from surveys of somewhat...


Abstract: High TOC Shale Core Samples Complex Resistivity Measurement and Its Applications; #90255 (2017)

Gang Yu, Wenbao Hu, Zhanxiang He

Search and

... formations have low resistivity, high IP, low density, and low magnetic susceptibility. By using induced polarization method, we can extract resistivity...


ABSTRACT: Nuclear magnetic resonance (NMR) surface relaxivity of coals

Sijian Zheng, Yanbin Yao, Dameng Liu, Yidong Cai, Yong Liu

The Society for Organic Petrology (TSOP)

...ABSTRACT: Nuclear magnetic resonance (NMR) surface relaxivity of coals Sijian Zheng, Yanbin Yao, Dameng Liu, Yidong Cai, Yong Liu 35th TSOP Annual...


Abstract: Direct Detection of Hydrocarbon by Electraflex Method

Abdul Halim Quazi

Geological Society of Malaysia (GSM)

...~ potential~ induction~ electro-magnetic~ induced polarization~ telluric~ magneto-telluric and electro-magnetotelluric~ etc. The transmitter is a dipole 800 m...


Towards a Balance of Pore Size Distribution of Non-Conventional Hydrocarbon Reservoirs: a Combination of Bulk Techniques Applied to Comparable Sub-Samples Localized by 3D X-ray µ-Tomography

Natalia Matskova, Dimitri Pret, Stéphane Gaboreau, Philippe Cosenza, R. Brechon, I. Gener, Claire Fialips, G. Dubes, François Gelin

Unconventional Resources Technology Conference (URTEC)

... magnetic resonance spectroscopy (NMR), helium pycnometry, nitrogen gas adsorption isotherms, and mercury intrusion porosimetry (MIP). By combining...


Magnetometer Study of Caddo-Shreveport Uplift, Louisiana: DISCUSSION

Douglas M. Collingwood

AAPG Bulletin

... of Figure 3. Later he says: The localized regions of north and south polarity may be ascribed to ... induced polarization of the tabular mass. And again...


Magnetic and Electrical Study of a Roll-Front URanium Deposit in the Denver Basin, Colorado

Louis J. O'Connor, Bruce D. Smith

Rocky Mountain Association of Geologists

... into ore deposits. GEOPHYSICAL INVESTIGATIONS Magnetic, electromagnetic, and induced-polarization techniques were used for detailing the electrical...


ABSTRACT: Combination Low-field NMR with mercury intrusion porosimetry to characterize pore size structure of shales

Fenglin Gao, Yan Song

The Society for Organic Petrology (TSOP)

..., China *presenting author In this study, we investigated how low-field NMR spectral analysis and traditional mercury intrusion porosimetry (MIP) compare...


Complex Electrical Conductivity of Mudrocks and Source-Rock Formations Containing Disseminated Pyrite

Siddharth Misra, Carlos Torres-Verdin, Dean Homan, John Rasmus,

Unconventional Resources Technology Conference (URTEC)

... associated with polarization phenomena and the time required to develop field-induced polarization of inclusions contribute to the dispersive EM response...


ABSTRACT: Comparison of pore size distribution on crushed and whole-rock coal samples using nuclear magnetic resonance

Yanhai Chang, Yanbin Yao

The Society for Organic Petrology (TSOP)

... the drilling process. In this study, nuclear magnetic resonance (NMR) and mercury intrusion porosimetry (MIP) have been used to determine the pore size...


Geophysical methods for detecting shallow sulphide mineralization in the Halifax Formation, Nova Scotia: a reconnaissance study

K. Howells, D. Fox

Atlantic Geology

... Continuous Read­ ing Ground Conductivity, Very Low Frequency (VLF) Electro­ magnetic (EM), and Induced Polarization. A spontaneous po­ larization...


Abstract: Advanced Progress of TFEM Method for Hydrocarbon Identification; #90319 (2018)

Zhanxiang He, Gang Yu, Zhigang Wang, Xuejun Liu, Zhi Zhao

Search and

... and magnetic fields can improve the resolution to thin resistive formation. Several parameters, resistivity, vertical conductivity and induced...


Magnetometer Study of the Caddo-Shreveport Uplift, Louisiana

William M. Barret

AAPG Bulletin

... and south polarity may be ascribed to differential permeability or to induced polarization of the tabular mass, the latter interpretation being supported...


Quantifying the Influence of Rock Fabric, Composition, and Electrical Double Layer on the Broadband Dielectric Dispersion of Organic-rich Mudrocks

Artur Posenato Garcia, Zoya Heidari

Unconventional Resources Technology Conference (URTEC)

... of time to reach equilibrium (i.e., relaxation time) (Misra et al., 2015). The influence of this induced polarization on the dielectric permittivity...


Stratigraphic Control and Formation Evaluation of Horizontal Wells Using MWD

L. R. B. Hammons, E. K. Fisher, D. H. Sellers

Pacific Section of AAPG

... resistivity can occur on logs at bed boundaries in wells with high apparent dip angles.4 These horns result from polarization of the bed boundary as induced...


The Value of Rock Magnetism to the Earth Sciences

E. R. Deutsch

CSPG Bulletin

... expects this magnetism to be induced by the Earth's field and parallel to it. The fact that some rocks may possess permanent polarization not necessarily...


Magnetic Anomalies of the Northern Gulf of California: Structural and Thermal Interpretations: Chapter 22: Part III. Regional Geophysics and Geology

O. Sanchez-Zamora, P. Doguin, R. W. Couch, G. E. Ness

AAPG Special Volumes

... by: [EQUATION] where: R = (x^prime-x)2 + (z^prime-z)2 and J = (Jx, Jz) is the polarization vector composed by the induced and the remnant...


Non-Seismic Detection of Hydrocarbons; #40722 (2011)

Dietmar (Deet) Schumacher

Search and

...-Induced Magnetic Anomalies Conventional Magnetics Analysis of long wavelength anomalies due to crystalline (magnetic) basement Micromagnetics...



James Colgin

Search and

... structures of rocks and large scale electrical geophysical observations. The focus of this study is to simulate the spectral induced polarization (SIP...


National Exploration Program for Base-Metal Deposits in Japan--Summary: Minerals

Yoshihiro Sekine

AAPG Special Volumes

...; and ground magnetic, induced-polarization and specific-resistivity or electrical-sounding charged-potential methods and geochemical exploration...


Geophysical Studies of Basement Geology of Southern Peninsula of Michigan

William J. Hinze , Richard L. Kellogg , Norbert W. O'Hara

AAPG Bulletin

... models are based on previous measurements and estimates of associated rock types. Remanent as well as induced magnetic polarization (after Dubois...


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