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The AAPG/Datapages Combined Publications Database

Showing 25,044 Results. Searched 190,731 documents.

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Combination of Deep-Reading and Near-Wellbore-Scale Measurement in Accessing Thin Layer Facies of a Carbonate Reservoir, #42511 (2020).

Adrean Pudyaksa, Hendri Harsian, Takefumi Shibuya, Ni Made Wilasari, Olivia Azwar, Ihsan Taufik Pasaribu,

Search and Discovery.com

... assessment, which proposed a hybrid approach of reservoir mapping while drilling, near-wellbore formation resistivity images, and cuttings information...

2020

Electrical Logging Problems in the Eocene Wilcox

R. P. Alger

GCAGS Transactions

... from the short normal and RInd as the apparent induction log resistivity -- a solution for both the depth of invasion in terms of bore hole diameter...

1954

ABSTRACT: Performance of High Resolution Induction Tool (HRI) in WRBC; #90007 (2002)

B.R. Kundu, K.K. Prasad, Chatar Singh

Search and Discovery.com

... that for generating resistivity data of reliable quality from HRI tool, it should be run against the zones where Rm is above 0.1 ohm.m at formation...

Unknown

ABSTRACT: PERFORMANCE OF HIGH RESOLUTION INDUCTION TOOL (HRI) IN WRBC; #90013 (2003)

B. R. KUNDU, K. K. PRASAD, CHATAR SINGH

Search and Discovery.com

... brings out that for generating resistivity data of reliable quality from HRI tool, it should be run against the zones where Rm is above 0.1 ohm.m...

2003

Efficiency of Tdem and EM-IP Methods Application for Reservoirs Exploration in South East Asia (Geophysics Paper 2)

Yuri A. Agafonov, Mustapha M. Salleh, Sophia V. Kompaniets, Olga V. Markovceva, Ilya V. Egorov, Igor V. Bouddo

Geological Society of Malaysia (GSM)

... presence indicator. Geoelectric models with IP anomaly at the 2 layer and without it (above) and apparent resistivity curves for template АВ=1200 m...

2011

Porosity-Profile Determination from Electric Logs

T. R. Wright , Sylvain J. Pirson

AAPG Bulletin

..., bore-hole size, and electrode spacing, only an apparent resistivity ^rgra is measured which must be corrected in order to obtain ^rgri. This is done...

1952

Electrical Well Logging

Houston Geological Society Study Group

AAPG Bulletin

..., particularly Zaba on the self-potential curve, Smith on the resistivity curve, Spooner and Masterson on sands, Graham and Cantrell on reactions in salt...

1939

Interpretation of Electrical Well Logs in the Mid-Continent Area

Clyde E. Davis

Tulsa Geological Society

... is not being measured. The reading which is found on the log is an apparent resistivity reading and is indicative of the quantity of current which did...

1944

Abstract: Sub-Basalt Integrated Geophysical Study Islandmagee, Northern Ireland; #90171 (2013)

M. Best, R. Charters, K. Morrison, and C. Nahas

Search and Discovery.com

...)) was carried out to generate resistivity depth profiles from the Wenner apparent resistivity pseudosections. A Scintrex CG-5 gravity meter was used...

2013

Abstract: Sub-Basalt Integrated Geophysical Study Islandmagee, Northern Ireland; #90171 (2013)

M. Best, R. Charters, K. Morrison, and C. Nahas

Search and Discovery.com

...)) was carried out to generate resistivity depth profiles from the Wenner apparent resistivity pseudosections. A Scintrex CG-5 gravity meter was used...

2013

Lightning Analysis for Mapping Faults and Identifying Exploration Sweetspots; #41987 (2017)

H. Roice Nelson, Jr.

Search and Discovery.com

... is calculated as the apparent resistivity in the lightning relaxation oscillator circuit. We can place this calculated value at the surface, and average...

2017

Determination of the Porosity of the Mesozoic Sediments of the Middle Ob Area

Ye. I. Leont’yev

Petroleum Geology: A Digest of Russian Literature

.... The parameter of porosity Rp is determined with the microsonde according to the specific resistivity of the rock ϱpp close to the borehole and according...

1961

Inversion of magnetotellurics data with enhanced structural fidelity

Federico Golfré Andreasi, Simone Re, Federico Ceci, Luca Masnaghetti

Petroleum Exploration Society of Australia (PESA)

... in the subsurface with a high degree of fidelity is limited by the “integral effect” of the apparent resistivity and by the generic regularization term Φ...

2019

Inversion of Magnetotelluric (MT) Data with Enhanced Structural Fidelity, #42333 (2018).

Federico Golfre Andreasi, Simone Re, Federico Ceci, Luca Masnaghetti

Search and Discovery.com

... of fidelity is limited by the “integral effect” of the apparent resistivity and by the generic regularization term Φ (𝐦) that privileges the smoothness...

2018

Evaluation of Geophysical Techniques in the Determination of a Salt Contaminated Environment, #80535 (2016).

Walter Reed, Michael Foust, Heather L. Lehto, James W. Ward, Jason Payne

Search and Discovery.com

... methods including galvanic DC resistivity, capacitively coupled resistivity, and frequency domain conductivity. Galvanic resistivity surveys have been...

2016

Some Applications of the Combined Use of Cure Analysis and Electric Log Data

T. Kennaird

Geological Society of Malaysia (GSM)

... assessment of pay zones can be made on the basis of log data alone. For example, zones showing an apparent water saturation of greater than 50 percent...

1988

Contribution to Prospect De-risking on the Veslemøy High, SW Barents Sea - An Offshore Vertical Source, Vertical Receiver CSEM Survey; #40868 (2012)

Enric Leon and Jon-Mattis Borven

Search and Discovery.com

... at the position of the target structure, consistent with preinversion apparent resistivity results. From the exploration company‟s point of view...

2012

Sensitivities, Limitations, and Error Inherent in Resistivity-tool-response Modeling - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2

Hezhu Yin

AAPG Special Volumes

... for the resistivity to Sw calculation, then the apparent water saturation (Swa) can be expressed as (6-11) and then the ratio of Swa to the true water...

2011

Efficient Geophysical Program for Investigation of Drill Holes in the Kuybyshev Region

B. Ye. Fel’dman

Petroleum Geology: A Digest of Russian Literature

...h resistivity with small thickness and clearly marks the base of a stratum and the position of the water-oil or water-gas contact. Values of apparent specifi...

1964

Modelling an Ultra-Long Electrical Device, and Application in Interpretation of a Hot Dry Rock Geothermal Reservoir

John Lovell, Makoto Miyairi, Kazuhiko Tezuka, Gordon Mowat

Indonesian Petroleum Association

.... By entering the apparent resistivity measured by the tool at a point on the Ra axis and then projecting down to the Rt axis, we obtain the true formation...

1990

Transformation of Resistivity to Pseudovelocity Logs: GEOLOGIC NOTE

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

AAPG Bulletin

... the apparent resistivity (Ra), calculation of the corresponding transit time (TT^prime) proceeds from the relation EQUATION (1) where A, B, and C are empirical...

1976

Urban Geophysics: Geophysical Signature of the Mount Bonnell Fault and its Karstic Features in Austin, Texas

Mustafa Saribudak

GCAGS Transactions

... of 1 ohm-m. The synthetic apparent resistivity, calculated inverted, and synthetic model are given in Figure 5. Note the similarity between...

2012

Shallow Hazard Assessment and Interpretation Using Geoelectrical Data: Bungamas PSC Study Case, Onshore South Sumatra Area

Iswani Waryono, Nusatriyo Guritno, Putri Riadini, Agus Laesanpura

Indonesian Petroleum Association

... of an electric current (I) into the earth thru steel electrodes. Two ceramic porous pots are used as receivers with voltage unit (V). The apparent resistivity (ρa...

2013

Use of Dipmeter Data in Clastic Sedimentological Studies (1)

C. HOCKER , K. M. EASTWOOD , J. C. HERWEIJER , and J. T. ADAMS

AAPG Bulletin

.... (February) Resistivity curves from he eight measuring electrodes of Schlumberger's Stratigraphic High-Resolution Dipmeter Tool{TM} (SHDT) can be processed...

1990

Abstract: Application of Induction Logging in Louisiana and Mississippi

C. A. Doh

GCAGS Transactions

... by a combination of the Induction, spontaneous potential, and short-normal resistivity curves. The basic advantages of Induction over conventional logging...

1955

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