Authigenic Biotite in Spheroidal Reduction Spots, Pierce Canyon Redbeds, Texas and New Mexico

D. N. Miller, Jr.

Journal of Sedimentary Research (SEPM)

... the edges and corners of the grain. Wi hin the reduction spots the thickness of the orthoclase overgrowths is about half the width of the detrital grains...

Subseismic Fault Identification Using the Fault Likelihood Attribute: Application to Geosteering in the DJ Basin

Ron Harris, Kyle Bracken, Bill Miller, Steve Angelovich, Thomas O'Toole

Unconventional Resources Technology Conference (URTEC)

... of this smoothing is controlled by a parameter 𝜎 𝑠𝑡𝑟𝑢𝑐𝑡𝑢𝑟𝑒 , which defines the half-width in sample space of the smoothing operator. Having computed...

Some Developments in Aerial Photography during the War: GEOLOGICAL NOTES

L. E. Nugent, Jr.

AAPG Bulletin

... running simultaneously provides coverage at 1/10,000 or 1/20,000 of a strip 15,000 feet wide, half the width of the vertical 6-inch strip. It was common...

ABSTRACT: Laboratory Simulation of Shale Gas Adsorption under Geological Conditions; #90134 (2011)

Kan Yang, Xiancai Lu, Linye Zhang, Wenxuan Hu, Xuefen Zhang

Search and Discovery.com

... is the roughness parameter δ, representing an average characteristic scale of the surface corrugations. The roughness parameter δ represents the half...

Automatic Analysis of Tracer Sand

P. G. Teleki

Journal of Sedimentary Research (SEPM)

... percent T (half-width), transmission is wide, encompassing a wavelength () range from 490 mµ to 670 mµ (as in Tracer M-12). Often transmission maxima...

Pilot Phase of the Aguada Pichana Este Block, Gas Window

Sebastian J. Estrada, Mariano F. Raverta, Martin de Santa Coloma, Jorge P. Torres, Sebastian Galeazzi

AAPG Special Volumes

... corridors) out of the well productivity volume, especially in brittle zones of the Vaca Muerta Formation. The hydraulic fracture height and half-width (Xf...

Tectonic Domains in the Rio Grande / Rio Bravo Border Region, Texas and Mexico: Laramide Structures Suggest Earlier History

Thomas E. Ewing

GCAGS Transactions

... Texas and Tamaulipas contain two belts of low-amplitude folds (10–20 km half-width, 50–150 km length, and 100–250 m relief), here grouped as the Rio...

Wave-Cut Erosion Surface in the Wichita Mountains

William F. Tanner

Oklahoma City Geological Society

... approximately horizontal, are of various widths from about an inch to 4 or 5 feet, and have a depth from about one-fifth to one-half their width." Evans...

Some Qualitative Analyses of the Ground Magnetic Survey in the Kedah Peak Rest House Area, Kedah

B. K. Lim

Geological Society of Malaysia (GSM)

... estimates to these sources using the half­ width method, vary from 90 to over 250 m. Two dimensional modelling using approximations of dipping dikes...

STAR COBBLES

Andrew K. Rindsberg

Alabama Geological Society

..., fig. 6). They range in width from about 1 to 5 cm (generally about 4 em, with compound forms up to 8 cm); the thickness is about half the width...

Reconnaissance Gravity and Magnetic Survey of the Northern Mesquite Basin, Nevada-Utah

James L. Baer

Utah Geological Association

... half the width of the valley. This geophysical survey is in its preliminary stage. The hope is to add to the number of stations and better define...

Mitigation of the 3D Cross-Line Acquisition Footprint Using Separated Wavefield Imaging of Dual-Sensor Streamer Seismic Data … A First Example from Malaysia

Mazin Farouki, Andrew Long, Richard Jones, Yee Ah Chim, Magdalene Tang, Hui LeGleut, Shaoping Lu, Dan Whitmore, Adam Betteridge

Indonesian Petroleum Association

... width itself, in contrast to the CMP-based illumination coverage of primaries which is generally about half the width of the streamer spread. Hence, some...

Faulting in the Head of the Mississippi Embayment and Spreading Between the Embayment Sides

Richard G. Stearns

GCAGS Transactions

... 356,406 feet if the original horizontal unstretched half width is 356,400 feet, a stretching of only 6 feet on each side or a mere 12 feet across...

Reading the Aerial Photo-Mosaic of the Barbers Hill Area, Chambers County Texas

Donald C. Barton

AAPG Special Volumes

... and is half the width of the latter in diameter, and which is fairly sharply defined around the northern half of its periphery; (b) a light-colored zone...

Fracture identification by reflected guided borehole radar waves

Binzhong Zhou, Jianjian Huo, Iain Mason, Qing Zhao

Petroleum Exploration Society of Australia (PESA)

... antenna - travels in steps of 0.05 m along a borehole. The Tx fires a pulse with a Gaussian envelope of ~2.2 ns half-width with a 200 MHz centre frequency...

Methane-hydrate Laboratory and Modeling Research: Bridging the Gap

Charles E. Taylor, Jonathan Lekse, Niall English

AAPG Special Volumes

... number; = frequency of peak maximum; and = half width of peak at half peak height).COMPUTATIONAL RESEARCHThe approach NETL uses to model flow...

A Cathodoluminescence Microscope for Low Intensity Luminescence: RESEARCH METHOD PAPER

Karl Ramseyer , Josef Fischer, Albert Matter , Peter Eberhardt, Johannes Geiss

Journal of Sedimentary Research (SEPM)

... represents a broad peak in the visible spectrum centered around 650 nm wavelength with a half width of approx. 150 nm (Coy-Y11 1969; Koyama et al. 1977...

Lungfish Burrows in the Upper Triassic Chinle and Dolores Formations, Colorado Plateau: REPLY

Russell F. Dubiel, Robert H. Blodgett, Thomas M. Bown

Journal of Sedimentary Research (SEPM)

... vertical shaft. Even if the figured crayfish does occupy a rounded termination, the distance between opposing chelae-carpus joints is about half the width...

Arville Irving Levorsen: GEOLOGICAL NOTES

Wallace E. Pratt

AAPG Bulletin

... always almost half the width of a continent apart, geographically. Nevertheless, my awareness of him has long been as vivid as his actual presence...

Characterizing the Near Surface with VSP and Well Logs

Search and Discovery.com

...), the half width of the interpreted fracture (50 cm) invalidates the resistivity measurement and thus the saturation estimate. As indicated by the caliper...

Abstract: Stochastic Modeling of Inclined Heterolithic Stratification With the Bank Retreat Model; #90213 (2015)

Michael J. Pyrcz and Clayton V. Deutsch

Search and Discovery.com

...   h gh0 h0  0 0    (5) ~ where usb is the near bank velocity, b is the channel half width, us 0 is the stream ~ mean velocity, C is the local...

Using Microseismicity to Identify and Verify Increased Fracture Complexity during Hydraulic Fracture Stimulations; #41501 (2014)

Ted Urbancic, Adam Baig, Ken Kocon, Krystal Tremblay

Search and Discovery.com

.... Introduction Microseismic monitoring is routinely being used to identify overall hydraulic fracture characteristics such as geometry, half width, stage...

Linking Channel Dynamics to Deposits: How Does Process Understanding Change With the Scale of Observation?; #41675 (2015)

J.C. Rowland, W. Dietrich, M. Stacey, G. Hilley, A. Fildani, E. Shele

Search and Discovery.com

... 300 (13.6) Norm Curve 0 0.5 1 1.5 n' (y/b , b=velocity half width) 2 Velocity ½ Width – U/Um=0.5 at a given X 2.5 Time-averaged velocity...

Hybrid Model of Dolomitization, Permian Basin; #11109 (2018)

Robert F. Lindsay

Search and Discovery.com

... Province Lindsay (1998; 2014; 2016) Massive Recharge Area Half Width of Permian Basin “All you need is horsepower” Ganesh Thakur Past President SPE...

Novel Methods to Overcome Micro-Seismic Limitations in Estimating Hydraulic Fracture Geometry in Unconventional Reservoirs

Shubham Mishra, Vinil Reddy

Unconventional Resources Technology Conference (URTEC)

.... For a complex fracture network, fracture half-length and half-width of the entire fracture network, across one side of the well (Refer Figure 1d). HFG...