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The AAPG/Datapages Combined Publications Database

Showing 25,170 Results. Searched 191,954 documents.

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A Guide to Qualitative Interpretation of South Texas Electric Logs

Alvin L. Schultz

South Texas Geological Society Special Publications

... of several zones in the same well where it is fairly apparent from log responses that the lithology, water resistivity, and porosity are fairly uniform...

1986

Study of Core Resistivity Profiles and Their Bearing on Dipmeter Survey Interpretation by Computers: ABSTRACT

Z. V. Jizba

AAPG Bulletin

...Study of Core Resistivity Profiles and Their Bearing on Dipmeter Survey Interpretation by Computers: ABSTRACT Z. V. Jizba 1963 1772 1772 47 9...

1963

Comparison of Electrical Logs and Physical Parameters of Marine-Sediment Cores: ABSTRACT

Frank B. Chmelik, Arnold H. Bouma, Richard Rezak

AAPG Bulletin

... 2034 53 9. (September) Spontaneous potential and modified point resistivity logs were made from select cores of marine sediments. The logs have been...

1969

Transformation of Resistivity to Pseudovelocity Logs

Albert J. Rudman , Joseph F. Whaley , Robert F. Blakely , Maurice E. Biggs

AAPG Bulletin

.... Y. Kim, called the "scale function," equates pseudotransit times TT^prime and the apparent resistivity Ra: TT^prime = A + (B)Ra-1C...

1975

The Gunung Wayang-Windu Geothermal Area in West Java

S. Sudarman, R. Pujianto, B. Budiarjo

Indonesian Petroleum Association

... of the resistivity gradient which is the slope of the descending branch of the apparent resistivity curve. A direct theoretical correlation between...

1986

DC Resistivity, Ground-Penetrating Radar, and Soil and Water Quality Data Combined to Assess Hydrocarbon Contamination: A Case Study in Arizona

Alvin K. Benson, Nathan Brett Mustoe

Environmental Geosciences (DEG)

... electrodes selected by a switching box. The Wenner sounding array configuration was used in this survey. The apparent resistivity is calculated from...

1996

Some Results of a New Magnetotelluric Survey in the Area of the Polish Outer Carpathians

Micha Stefaniuk

AAPG Special Volumes

... then subjected to qualitative and quantitative interpretation. The first stage of interpretation gave apparent resistivity and phase pseudosections...

2006

Effective Well-Log Evaluation of Light-Oil Zones, Dagang Oil Field, China

Tan Ting-Dong, Shang Hai-Chou, Li Sheng-Yan

Circum Pacific Council Publications

... zone whose total water saturation, calculated with deep laterolog resistivity, is 68% (apparent oil saturation is only 32%). However, if the true...

1989

Characterization of near-surface fractures for hydrogeological studies using azimuthal resistivity survey: A case history from the Mamu Formation, Enugu (Nigeria)

Ahamefula U. Utom, Benard I. Odoh, Daniel K. Amogu, Amobi C. Ekwe, Boniface C. E. Egboka

Environmental Geosciences (DEG)

...., 2000, The effectiveness of azimuthal apparent resistivity measurements as a method for determining fracture strike orientations: Geophysical...

2013

Cleat Detection in Coalbeds Using the Microlog

Michael J. Mullen

Rocky Mountain Association of Geologists

..., moderately cleated, or poorly cleated. The microlog curves were normalized between the resistivity of the mud and 30 times mud resistivity to define...

1991

Geophysical Investigation for Groundwater Exploration at UKM's Kuala Pilah Matriculation Centre, Negeri Sembilan

Abdul Rahim Samsudin, Abdul Ghani Rafek, Umar Hamzah

Geological Society of Malaysia (GSM)

... the approximate apparent resistivity of the earth material within the area of influence. The theory and technique of geoelectrical sounding and its interpretation...

1996

The Use of Electrical and Seismic Methods for Imaging Shallow Subsurface Structure of Limestone at Batu Caves, Kuala Lumpur, Malaysia

Abdul Rahim Samsudin, Mohammed I. Abu Shariah, Umar Hamzah

Geological Society of Malaysia (GSM)

... cavities can produced a measurable change in the apparent resistivity especially for shallow bedrock. The seismic refraction method is the most wi...

1999

Defining Boundaries and Structures of Broadlands Geothermal Field, New Zealand, by Geophysical Methods--Case History

G. F. Risk

AAPG Special Volumes

.... The main problem was that the six apparent resistivity contour maps obtained did not agree with one another very well. However, reasons for most...

1981

Stratigraphic Control and Formation Evaluation of Horizontal Wells Using MWD

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

Pacific Section of AAPG

... and horizontal boreholes (high apparent dip).3-5 The dipping bed model used in this paper simulates the resistivity response to a series of parallel beds...

1992

Effect of pore structure on electrical resistivity in carbonates

Klaas Verwer, Gregor P. Eberli, Ralf J. Weger

AAPG Bulletin

...) explained the variation in resistivity using the concept of apparent cross sectional area available to flow of electric charge. The apparent cross...

2011

Abstract: ERT and Seismic Tomography in Identifying Subsurface Cavities; #90172 (2014)

Grey I. Riddle, Craig J. Riddle, Douglas R. Schmitt

Search and Discovery.com

... resistivity psuedosection which was data gathered displayed into block format. In Figure 1b we have the calculated apparent resistivity, this uses...

2014

Geophysical Mapping of the Hockley Fault in Northwestern Houston and Recent Surface Observations

Mustafa Saribudak

GCAGS Transactions

.... However, there is an apparent resistivity contrast toward the end of the profiles between the sand and clay layers, although confidence...

2012

Resistivity Mapping of the Subsurface Upper Devonian Inter-Reef Ireton Formation of Alberta

R. G. McCrossan

CSPG Bulletin

.... The distribution of these carbonates is detected by mapping the average apparent resistivity of a given stratigraphic interval. The pore volume of these rocks...

1959

Log Interpretation: Chapter VI

George B. Asquith, Charles R. Gibson

AAPG Special Volumes

... is as follows: [EQUATION] Where: Sw = water saturation of the uninvaded zone Rw = resistivity of formation water at formation temperature Rwa = apparent...

1982

Abstract: Apparent conductivity mapping of sludge migration through waste rock at Fire Road Mine, Minto, NB

K. E. Butler, M. M. Coleman, A. Mersich, T. Yeomans

Atlantic Geology

... interpretations of apparent conductivity and resistivity surveys acquired in the field. Apparent conductivity mapping of sludge migration through waste rock...

2005

Geophysical Mapping of Saltwater Intrusion in the Kerpan Coastal Area, Kedah

Abdul Rahim Samsudin, Bashillah Baharuddin, Masrita Mustapa, Sanisah Soed

Geological Society of Malaysia (GSM)

.... Salinity of the ground water was interpreted based on the apparent resistivity values. Ground water with resistivity values less than 5 ohm-m is considered...

2002

Application of Geophysical Logging Data for Unification of Stratigraphic Sections

S. S. Itenberg

Petroleum Geology: A Digest of Russian Literature

.... They are distinguished by high values of apparent resistivity, negative SP anomalies, and characteristic maximums on the gamma log. The white formation...

1960

Evaluation of Geothermal Potential of Truth or Consequences Area, New Mexico: ABSTRACT

Maureen Mahoney, Stephen G. Wells, George R. Jiracek

AAPG Bulletin

... and an extensive roving bipole-dipole survey in the vicinity of the previously mentioned target areas. Three total-field apparent resistivity maps were generated...

1981

The Application of Cased Hole Formation Resistivity to Optimize Well Performance in Carbonate Formation

Muhammad A. Gibrata, Mario Petricola, Riawan Mulyanto, Sathees Kumar, Amritzar Aimar, Ratih Wulandari, Zul Anwar

Indonesian Petroleum Association

... to have increased in resistivity since the openhole logs were run. This apparent increase could be due to poor borehole correction on the openhole logs...

2005

Combined Geophysical Logging in the West Siberian Lowland

Yu. L. Brylkin, L. A. Sigal

Petroleum Geology: A Digest of Russian Literature

... that are of interest for oil and gas. The rapid alternation of thin (up to 1 m) strata of high and low resistivity (apparent resistivity from 2-5 to 250-500 ohm m...

1963

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