Finding New Pay in Old Wells in Both Open and Cased Holes; #40677 (2010)

Richard Gartner and Herman Vacca

Search and Discovery.com

... DIVIDE BY 10 THE APPARENT WET RESISTIVITY. IF IT’S .3 OHMS RW= .03. QUICK WAY TO LOOK FOR PAY: TAKE THE WET SAND RT AND MULTIPLY BY 3; THEN LOOK...

Application of Micrologging to Determination of Porosity

H. G. Doll, R. Sauvage, M. Martin

GCAGS Transactions

... at BHT, Rw can be taken equal to 0.035, as a first approximation. Value of Rt -- The average apparent resistivity read on the long lateral throughout...

Abstract: Effort Towards Improving Formation Evaluation (Paper 5)

Ko Ko Kyi

Geological Society of Malaysia (GSM)

... in Malaysian oil and gas fields comprise sands with low formation water salinity, low resistivity low contrast pay sands, thinly laminated sand shale...

Understanding the Natural Fracture System in the Ultra-deep Sandstone Reservoir Using High-Definition Oil-Based Microresistivity Image Logs, Case Study from Junggar Basin

Renzhong Gan, Hao Zhang, Jing Chen, Weidong Huang, Xu Zhang, Bo Liu, Tao Zhang, Wei Wang, Guo Wei, Adaobi Elekwachi, Gamal Sultan

Unconventional Resources Technology Conference (URTEC)

... sandstone with high resistivity and high standoff responses. On the core, this is an open fracture with 45° apparent dip. The partially open fracture “C...

Geophysical characterization of a leachate plume from a former municipal solid waste disposal site: A case study on Norman landfill

Md. Iftekhar Alam, Andrew Katumwehe, and Estella Atekwana

AAPG Bulletin

... of subsurface layers (Figure 2). Figure 2. Resistivity sections along the profile (modified from Alam et al., 2018). (A) Measured apparent resistivity...

Groundwater Investigation Using Combined Geophysical Methods, #40914 (2012)

Amarachi R Alisiobi, B. D. Ako

Search and Discovery.com

... and the corresponding potential difference is measured at the potential electrodes, which is then converted to apparent resistivity value by multiplying...

Adaptive OCCAMs inversion for the interpretation of borehole ultra-deep azimuthal resistivity measurements

Wardana Saputra, Junsheng Hou, Carlos Torres-Verdín, Sofia Davydycheva, Vladimir Druskin

International Meeting for Applied Geoscience and Energy (IMAGE)

...’s inversion for borehole ultra-deep azimuthal resistivity form of magnetic field, voltage, apparent resistivity, or phase and attenuation (geosignals...

Geophysical characterization of a nonaqueous-phase liquidcontaminated site

Alberto Godio, Alessandro Arato, Stefano Stocco

Environmental Geosciences (DEG)

... of a specific array and measuring the potential drop on a different couple of electrodes. Apparent resistivity is measured and transformed to the true...

New Method of Correlation by Resistivity Values of Electrical Logs

A. P. Claudet

AAPG Bulletin

...New Method of Correlation by Resistivity Values of Electrical Logs A. P. Claudet 1950 2027 2060 34 10. (October) The silhouette of the curves...

Assessing a New LWD Technology of Borehole Imaging for Unconventional Reservoirs: A Case Study from Vaca Muerta, Argentina

M. D. Vallejo, N. Villarroel, G. Cuadros, C. Shrivastava, R. L. Brown, E. F. Lombardo, C. A. Hernandez, M. Chandia, P. Delgado

Unconventional Resources Technology Conference (URTEC)

... simultaneously from a short sub (~15-ft), namely apparent resistivity and ultrasonic while drilling to acquire high resolution azimuthal images...

Magnetic Resonance Profiling … A Resistivity Independent Technique for Hydrocarbon Identification and Characterization

Udit Kumar Guru

Indonesian Petroleum Association

... of gas is not clear in the interval 3401m, 3411m where the resistivity is less than 1 ohm-m and there is no apparent density-neutron cross over...

Transient Electromagnetic Detection of Subsea Permafrost Near Prudhoe Bay, Alaska

Gerald G. Walker, K. Kawasaki, T. E. Osterkamp

Pacific Section SEPM

... be considered typical, have been reduced to apparent resistivity and plotted versus the square root of time on loglog scales in Figure 1. The interpreted...

Extended Abstract: New Lightning Attribute Volumes Compared to the Texas Bureau of Economic Geology (BEG) Stratton 3D Seismic Survey

Kathleen S. Haggar, Les R. Denham, H. Roice Nelson, Jr.

GCAGS Transactions

... (Haggar et al., 2014). Details in apparent resistivity and apparent permittivity rock property volumes calculated from lightning databases have been...

Abstract: Well-Log Analysis in Cretaceous Gas Sands in Northern Montana, by E. B. Campen; #90971 (1976).

Search and Discovery.com

ABSTRACT: Interpretation of Structural and Stratigraphic Features with Steep Dips, by Robert L. Langley, Don Lee, Robert A. Young; #91003 (1990).

Search and Discovery.com

LWD Resistivity Modelling and Geosteering for Horizontal Well Planning and Drilling, Iagifu-Hedinia Field, Papua New Guinea

J. Edwards, J. E. Livingston, S. P. Franklin, T. Eme, R. Kila, D. Kisombo, S. Madu

Papua New Guinea (PNG) Petroleum Convention Proceedings

... resistivity, arc resistivity, and gamma ray have an apparent depth mismatch (Fig. 6 ). The unit above the Toro entry point was Alene shale with an Rt...

Magnetotellurics (MT): Technique, Interpretation, and Application, Karen Rae Christopherson, Search and Discovery Article #40025, 2001

Search and Discovery.com

Niobrara Horizontal Well Planning and Execution: The Other Half of the Equation

Jack Wiener, Mohamed Elfedawy

Unconventional Resources Technology Conference (URTEC)

...-depth uncertainties associated with sparse well control, time-to-depth conversion of seismic information, and an apparent misunderstanding...

Dip Data Estimation From a Multi Depth Investigation Array Induction Tool for Improved Structural Analysis

Ade Setiawan, Samira Ahmad, Udit Kumar Guru

Indonesian Petroleum Association

... tools measure apparent resistivity Ra, in a horizontal plane. This is equivalent a horizontally measured resistivity, Rh. Resistivity measured...

Monitoring Coal Seam Gas Depressurisation Using Magnetotellurics, #41786 (2016).

Nigel Rees, Graham Heinson, Lars Krieger

Search and Discovery.com

... of investigation – skin depth T is the period ρ is the apparent resistivity High frequencies image the near-surface Low frequencies penetrate to greater depths...

Possibility of Outlining Gas-Oil Pools by the Method of Electrical Sounding Using Boreholes

M. A. Kirichek, Yu. S. Korol’kov, A. N. Kuznetsov, A. P. Yakovkev

Petroleum Geology: A Digest of Russian Literature

... ϱk is apparent resistivity; K is a coefficient that takes into account the mutual disposition of the electrodes AB and MN; ΔV is the difference...

Rokans Enigmatic Telisa Low Quality Reservoir, a Geological Perspective from Core

Agus Susianto, Satia Graha, Zuardin Azzaino, Dwi Meidian Sulistyo, Erry Mastoadji

Indonesian Petroleum Association

... and a reduced total resistivity value compared to Duri dan Bekasap intervals. The upper Telisa interval is characterized by lower GR log shale base line...

Method of Distinguishing Marker Horizons in the Paleocene-Quaternary Sediments of the Northwestern Caspian Area in Connection with Exploration for Structures in the Mesozoic

N. V. Marasanova

Petroleum Geology: A Digest of Russian Literature

..., second variety. Apparent resistivity and SP logs were made. Electrical resistivity in the sands is generally greater than in the clays. However...

EXTENDED ABSTRACT: Overpressure Determination from Sonic and Resistivity Log Anomalies, Jonah Field, Northern Green River Basin, Wyoming

Robert M. Cluff, Suzanne G. Cluff

Wyoming Geological Association

...EXTENDED ABSTRACT: Overpressure Determination from Sonic and Resistivity Log Anomalies, Jonah Field, Northern Green River Basin, Wyoming Robert M...

A Method of Estimating Formation Pressures from Gulf Coast Well Logs

Harold H. Ham

GCAGS Transactions

...A Method of Estimating Formation Pressures from Gulf Coast Well Logs Harold H. Ham 1966 Vol. 16 (1966), Conventional resistivity, sonic, and density...