Locating Abandoned Mine Shafts Using a Proton Magnetometer

Sahat Sadikun

Geological Society of Malaysia (GSM)

... such as seismic, gravity, resistivity and magnetic being the ones most commonly tried. However, seismic reflection and refraction methods are more useful...

An Appraisal of Computer Mapping Techniques as Applied to the Miocene Formations of Bayou Carlin and Lake Sand Fields, Southwestern Louisiana

Madhurendu B. Kumar , Donald H. Kupfer

GCAGS Transactions

... Islands" trend. Seven resistivity features were picked on most of 136 electric logs, correlated, and used to make conventional (manually-contoured...

Interpretive Well Logging Concepts Assist South Texas Formation Evaluation Problems

Walter H. Fertl

GCAGS Transactions

... Coast shale-resistivity profile (fig. 3) and the distribution of oil and gas field in this area (Timko and Fertl, 1971). Application of these statistical...

Carter-Knox Gas Field, Oklahoma

Harold J. Reedy

AAPG Special Volumes

... sandstone with dark shale partings which are increasingly numerous in the lower part. Its apparent thickness of 100-200 ft is probably twice the true...

The Valhalla Doe Creek “I” Pool: Use of Cased-hole Logging Techniques for Resolution of Thin-bed Effects in Cretaceous Sandstones

John R. Hogg

CSPG Special Publications

... to reduce the apparent logged net pay by up to 50 cm of the total net pay visible in wells with core. One of the most difficult problems for the older...

Feeling the Pressure on Infill Development

Sam Young, Ellen S. Williams, Rachel Stocking, Peter Morton

Unconventional Resources Technology Conference (URTEC)

... fluid tracking uses Controlled Source Electromagnetics (CSEM) technology to measure the changes in subsurface resistivity caused by treatment fluid...

Systematic Variability of Hydraulic Conductivity within the Mississippi River Alluvial Aquifer in Northeastern Louisiana

Douglas Carlson

GCAGS Transactions

... normal resistivity logs, and spontaneous potential (SP) logs. This was determined for a set of approximately 240 boreholes that have a drillers' log, 16-in...

Making Interpretable Images from Image Logs

Birger Hansen, Janusz Buczak

AAPG Special Volumes

... levels on the tool. Mismatches in geological surfaces from sensors at different levels will become apparent if the speed correction has not done its job...

Acoustic Tomography for Reservoir Surveillance: Reservoir Characterization and Modeling

J. H. Justice, M. E. Mathisen, A. A. Vassiliou, S. Singh , P. S. Cunningham, J. R. Bulau

AAPG Special Volumes

.... The resulting image is shown in Figure 2. The reservoir cross section is seen to be relatively homogeneous, with no large velocity variations apparent...

Developments in Michigan in 1961

R. E. Ives, G. D. Ells

AAPG Bulletin

... exception. Some electrical resistivity work was done. Leasing activity was down slightly with 18 companies reporting 3,498,099 undeveloped acres under...

Producing Characteristics and Depositional Environments of Lower Pennsylvanian Reservoirs, Parkway-Empire South Area, Eddy County, New Mexico

A. D. James

AAPG Bulletin

... in this paper. Figure 2 shows the generalized stratigraphic sequence of sediments in the area. Discrete field or pool outlines are not readily apparent...

Update 2010: Airborne Transient Pulse Surveys for Hydrocarbon Exploration„Major Recent Improvements; #40686 (2011)

Leonard A. LeSchack, John R. Jackson, James K. Dirstein, William B. Ghazar, Natalya Ionkina

Search and Discovery.com

... Deep Lo Frequency/Depth Response Note: We use Airborne A-EM Transient Pulses for identification of apparent resistivity. 1/12/2011 Pinemont...

Pennsylvanian of the North Flank of the Anadarko Basin

Kenneth E. Gibbons

Oklahoma City Geological Society

...." Another example of "Springeran" limestone is in the Sinclair No. 1 Kunc in the depth interval 10,850 feet to 11,050 feet. A low resistivity shale...

Front Matter, Abstracts: The Permian Basin: Preserving Our Past – Securing Our Future

Tim J. Hunt, Peter H. Lufholm

West Texas Geological Society

... of Resistivity Invasion Profiles in Log Analysis     G. B. Asquith & H. Jack Ahlen 205 A Fusselman and Montoya Core from the Dollarhide Field, Andrews...

Base of the Permian in Midland and Delaware Basins From Logs

Theodore S. Jones

West Texas Geological Society

... cuttings. Gamma ray, resistivity, neutron, density, and sonic logs show that the Pennsylvanian shale contains readily correlatable members of radioactive...

Base of the Crust: Seismological Expression, Geological Evolution, and Basin Controls: Chapter 4: Concepts

J. Hall

AAPG Special Volumes

... crust. The apparent conflict can be resolved by recognizing that large-scale pure shear can be produced by an appropriate balance of oppositely directed...

Revisiting the Eland Field Lodgepole Mound Complex (Stark County, North Dakota) Twenty Years after its Discovery

Mark W. Longman, Stephen P. Cumella

Rocky Mountain Association of Geologists

... (1965, 1966), Stone (1972), Smith (1982), Winfrey (1983), and Smith and Custer (1987). Because of their Early Mississippian age and apparent abundance...

Depositional History of the Viking Formation, Suffield Area, Alberta, Canada

P. G. Tizzard, J. F. Lerbekmo

CSPG Bulletin

... is a dark grey, marine shale with a resistivity lower than that of the overlying Viking. South of Township 20 the Joli Fou becomes a silty, sandy...

Revised stratigraphy, regional correlations and new bentonite radiometric ages for the Albian Loon River Formation, Fort St. John Group, northwestern Alberta

B. Hathway, G. Dolby, D. H. McNeil, S. L. Kamo, M. T. Heizler, N. Joyce

CSPG Bulletin

..., typically marked by an upward increase in gamma-ray API and an accompanying decrease in resistivity, are easily correlatable on wireline logs...

Tectonic, Depositional, and Diagenetic History of Monterey Formation (Miocene), Central San Joaquin Basin, California

S. A. Graham , L. A. Williams

AAPG Bulletin

... as stratigraphic datum on which section is hung. This datum occurs within a distinctive zone of high resistivity, which represents most highly siliceous...

Key Role of Outcrops and Cores in Carbonate Reservoir Characterization and Modeling, Lower Permian Fullerton Field, Permian Basin, United States

Stephen C. Ruppel, Rebecca H. Jones

AAPG Special Volumes

..., karsting is less apparent, and the contact is less pronounced.Lower Clear ForkThe outcropping Lower Clear Fork succession in the Sierra Diablo represents...

Dhodak Field: A Case History of First and the Largest Condensate Discovery of Pakistan; #20147 (2012)

Mansoor Humayon, Muhammad Akram, and M. Rafiq Malik

Search and Discovery.com

... affects the deep resistivity curve, therefore, water saturation computation becomes unrealistic. An analysis of produced water from a number of samples...

Size Analysis of Fine-grained Suspended Sediments: A Review

Donald J. P. Swift , J. R. Schubel, Raymond W. Sheldon

Journal of Sedimentary Research (SEPM)

.... Such variations in structure cause variations in water content (density), shape, and cohesiveness, and resistivity that generate very different results when...

The "Flippen" Sandstone of Parts of Taylor and Callahan Counties, Texas

Abilene Geological Society

...) on the lateral resistivity curve. It has not been reported on the surface. "Flippen" sandstone. The interval from the base of the Saddle Creek to the top...

Child Well Fracture Sequencing for Improved Production

Roberto Suarez-Rivera, Barry Clark, Doug Sassen, Christopher Quinn

Unconventional Resources Technology Conference (URTEC)

.... The formations represented by the petrophysical model are shown in the left side of URTeC 5646 3 the figure. Track 1 shows the borehole resistivity image...