Borehole Gravity: Part 7. Geophysical Methods

Alan T. Herring

AAPG Special Volumes

... and understood before undertaking a survey. What is actually measured is referred to as BHGM apparent density, which is a simple function...

Abstract: Comparison of Microseismic Results in Complex Geologies Reveals the Effect of Local Stresses on Fracture Propagation; #90224 (2015)

Mike Preiksaitis, Sheri Bowman, and Ted Urbancic

Search and Discovery.com

... pre-existing joints or bedding planes. An evaluation of apparent stress from the microseismic data corroborates this hypothesis, as apparent stress...

Numerical Modeling of Adsorption and Roughness Effects on Gas Transport in Shale Using the Lattice Boltzmann Method; #42070 (2017)

Yan Zeng, Zhengfu Ning, Yunan Li

Search and Discovery.com

... to higher apparent permeability than intrinsic permeability. In DCA, the rarefaction effect is found to be dominant at the early stage while...

Mechanistic Analysis of Shale Permeability Evolution Data

Rui Shi, Jishan Liu, Derek Elsworth

Unconventional Resources Technology Conference (URTEC)

... models, including apparent permeability models based on the slippage effects and poroelastic permeability models based on effective stress...

Memorial: Theodore C. Sherwood, Jr. (1896-1928)

Emmett L. Arnold

AAPG Non-Technical and Memorials

... had been stricken with incipient tuberculosis, but had made an apparent recovery after six weeks of rest and milk diet. In March, 1927, immediately...

Washita Valley Fault System — A New Look at an Old Fault

W. G. Brown

Oklahoma City Geological Society

... of approximately 40 miles, basal primarily on apparent offset of the zero edge of the basal Oil Creek and McLish sands of the Ordovician Simpson Group. Wickham...

Discovery of Silurian Sediments in Ural Region of Bashkiria

K. P. Timergazin

Petroleum Geology: A Digest of Russian Literature

... with a thickness of 5 m. Apparently it is a porous water-bearing sandstone because it has a low apparent resistivity (KS), maximum impulses of the neutron...

Managed Pressure Flowback in Unconventional Reservoirs: A Permian Basin Case Study

Darryl Tompkins, Robert Sieker, David Koseluk, Hugo Cartaya

Unconventional Resources Technology Conference (URTEC)

... well performance (Crafton 2008). URTeC: 2461207 2 Workflows for analyzing flowback data have been proposed that evaluate the changes in apparent...

Sand-Body Architecture in the Lower Williams Fork Formation (Upper Cretaceous), Coal Canyon, Colorado, with Comparison to the Piceance Basin Subsurface

Rex D. Cole, Stephen P. Cumella

Rocky Mountain Association of Geologists

... thickness ranges from 0.5 to 29 ft (mean average = 9 f 0 , and the range in apparent sand-body width (defined as the linear distance between the two...

Abstract: Middle Pennsylvanian Strike-Slip Faulting on the Eastern Edge of the Llano Uplift, Central Texas

D. L. Amsburyl , W. T. Haenggi

GCAGS Transactions

... the unconformable Cretaceous cover. The eastern bounding fault at Mormon Mills has an apparent vertical displacement of 500 meters or so (Marble Falls...

Applied Sedimentology: GEOLOGICAL NOTES

Henry Carter Rea

AAPG Bulletin

... characteristics can be chemically induced. Geochemical analysis for the gas content in the overlying siltstone could be used as an accessory index. It is apparent...

Greywackes with a Primary Matrix from the Viqueque Formation (Upper Miocene-Pliocene), Timor: Comment on a Paper By M. G. Audley-Charles: DISCUSSIONS

Riyadh A. Rahmani

Journal of Sedimentary Research (SEPM)

... matrix, but to question the reasoning given by Audley-Charles regarding the origin of the matrix of the Viqueque greywackes and his apparent assumption...

The Miri Structure „ A Dextral Strike-Slip Model (Paper 20)

Mustaffa Kamal Shuib

Geological Society of Malaysia (GSM)

... trending fault zone exhibiting crosscutting and anatomizing northwesterly dipping faults showing both reversed and normal apparent displacements...

Abstract: Middle Pennsylvanian Strike-Slip Faulting on the Eastern Edge of the Llano Uplift, Central Texas, by D. L. Amsbury and W. T. Haenggi; #91006 (1991)

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Rubidium-Strontium Minimum Ages of Sedimentation, Uranium Mineralization, and Provenance, Morrison Formation (Upper Jurassic), Grants Mineral Belt, New Mexico: DISCUSSION

K. R. Ludwig

AAPG Bulletin

... of interpretation and apparent errors in processing of the isotope data that affect their conclusion. First, Lee and Brookins (p. 1673) appropriately note...

A structural model for brittle detachment faulting in the central Grant Range and the Grant Canyon and Bacon Flat oil fields in Railroad Valley, eastern Nevada

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ABSTRACT: Magnetic properties of oil sand at El Borma; Paleomagnetic dating of oil emplacement; #90016 (2003)

Claus Beyer

Search and Discovery.com

... sampling or by the magnetic data, so that the primary magnetism found during the demagnetisation analysis can be correlated to an apparent palaeopole...

Application of the surface azimuthal electrical resistivity survey method to determine patterns of regional joint orientation in glacial tills

Douglas Carlson

Environmental Geosciences (DEG)

... array rotated about a fixed center point at selected degree intervals that yields an apparent resistivity ellipse. From this ellipse, joint set...

A Tectonic Model for the Northern Llanos and Southern Barinas-Apure-Basins

James C. Howard, Trudi Webb, Tom Christensen

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... of defomational features es^ffiated with tectonic models. A strain ellipsoid for jptncji faulting (Figure 9) provides a tectonic model that fits n E r o s e...

Geophysical Data on the Change in Oil Saturation of Reservoirs During Exploitation

A. A. Valuyskiy

Petroleum Geology: A Digest of Russian Literature

.... Zhuravlev, V. P. and Popov, V. K., 1962, Calculation of the shielding effects on apparent resistivity logs of two points of strata in interpreting...

Recognition and Significance of Inherited Quartz Overgrowths in Quartz Arenites

Ivan D. Sanderson

Journal of Sedimentary Research (SEPM)

... northeast is shown transecting a partial coating cap with a G value of 17%, which has a projection angle of 98 degr es. An apparent projection angle...

Synsedimentary Deformation of the Upper Permian Capitan Reef Carbonate Platform, New Mexico, by D.W. Hunt, E. Kosa, A.J. Simo, and L. Piccoli, #30036 (2005).

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Compensating for the Compensation Effect Using Simulated and Experimental Kinetics from the Bakken and Red River Formations, Williston Basin, North Dakota, #41680 (2015).

Stephan H. Nordeng

Search and Discovery.com

... ( /Tp2) = -Ea/R (1/Tp) + ln(A R/Ea) • Error Ellipse – All possible solutions. – Slope = Tharm *R Experiment Apparent Solution Possible Equivalent...

The Use of Magneto-Telluric Surveying as a Risk Reduction Tool for Hydrocarbon Exploration in the Papuan Foldbelt

J. K. Bennett, M. Parish

Papua New Guinea (PNG) Petroleum Convention Proceedings

... of the surface 338 Karius Mubi MT Modelling impedance is equivalent to the apparent resistivity of the earth, and the standard display of MT data...

Supercritical CO2 Foam Stability and Mobility for Enhanced Oil Recovery and CCUS: Experimental Evaluation in Simulated Reservoir Conditions

Abdul Raouf Tajik, Angel Wileman, Sarah Wheeler, Luke Morris, Yevgeniy Samarkin, Masa Prodanovic, David DiCarlo

Carbon Capture, Utilization and Storage (CCUS)

... in prior research (Belyadi et al., 2017; Xiao et al., 2017; Abdelgawad et al., 2022; Osei-Bonsu et al., 2016). Apparent viscosity is calculated from...