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The AAPG/Datapages Combined Publications Database

Showing 154 Results. Searched 189,607 documents.

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Abstract: Detecting Subsurface Voids Using the Microgravity Method … A Case Study from Kuala Lipis, Pahang

Ahmad Tajuddin Hj. Ibrahim, Che Noorliza Lat

Geological Society of Malaysia (GSM)

... at four locations at depths varying from 3.77 to 6.50 m. The depth to the center of each anomalous body was calculated using the half-width method...

2004

Evaluation of possible gas microseepage mechanisms

Alton Brown

AAPG Bulletin

... walls. Wall effects decrease as the ratio of the sphere radius to half width separating the plates decreases. For a sphere of radius a rising halfway...

2000

ABSTRACT: Fluorescence spectroscopy of sedimentary organic matter via Confocal Laser Scanning Microscopy

Paul C. Hackley, Aaron M. Jubb, Robert C. Burruss

The Society for Organic Petrology (TSOP)

... into adjacent reservoir layers indicates a decrease in fluorescence intensity and spectral red-shift (decrease in λmax/500, increase in full-width half...

2019

Detecting Subsurface Voids Using the Microgravity Method … A Case Study from Kuala Lipis, Pahang

Ahmad Tajuddin Hj. Ibrahim, Che Noorliza Lat

Geological Society of Malaysia (GSM)

... of each anomalous body was calculated using the half-width method. The depth of the cavity interpreted from the borehole turned out to be shallower when...

2004

Straightforward Representative Fluid Flow Models for Complex Fracture Networks in Unconventional Reservoirs

Jorge A. Acuña

Unconventional Resources Technology Conference (URTEC)

... (Table 4 in Acuña, 2017) are used with a permeability of 5e-4 md to construct the reservoir half-width equal to 𝑋 𝑚𝑓 𝑟 2𝛿−1 for each distance range...

2018

Flexure of the Lithosphere: Chapter 5

Charles L. Angevine, Paul L. Heller, Chris Paola

AAPG Special Volumes

... is narrow; when is large the deflection is broad. Figure 5.4A shows that the half-width of the deflection (defined as the distance from the point load...

1990

Figures: PART 1

Charles L. Angevine, Paul L. Heller, Chris Paola

AAPG Special Volumes

...------------------------ Fig. 5.9. Diagram showing the deflection of the elastic lithosphere due to a load of rectangular cross section. The load has a half-width of L...

1990

Chapter 104: Slope-channel Complexes at Guadalupe Canyon, Upper Brushy Canyon Formation, Texas, USA

C. Rossen, R. T. Beaubouef

AAPG Special Volumes

... Width Half width: 104 m (341 ft); full width: ~208 m (~682 ft) Half width: 104 m (341 ft); full width: ~208 m (~682 ft) 400 m (1312 ft) Thickness 11 m...

2007

Viola Graptolites from Well-Core East of Norman, Oklahoma: GEOLOGICAL NOTES

Charles E. Decker

AAPG Bulletin

... of the apertural end of the thecae is not shown. The apertural excavations occupy nearly half the width of the stipe. Three narrow elongate bithecae...

1944

Modeling Hydro-Isostasy: Isostatic Flexure Along the Global Coastlines Due to Sea-Level Rise and Fall

Eric W. Hutton and James P.M. Syvitski

Search and Discovery.com

... is the maximum load due to some sea-level rise or fall. Hutton & Syvitski, AAPG/SEPM, San Antonio, 2008 CSDMS   Notes by Presenter: where e is the half...

Unknown

Modeling Tidal Bedding In Distributary-Mouth Bars

Nicoletta Leonardi, Tao Sun, Sergio Fagherazzi

Journal of Sedimentary Research (SEPM)

... not contributing to the momentum balance. To compute centerline velocity, jet half-width, and centerline sediment concentrations in case of flat bottom...

2014

A Regional Gravity Survey of the Sanpete-Sevier Valleys and Adjacent Areas in Utah

Robert P. Brown, Kenneth L. Cook

Utah Geological Association

..., the depth to its center is equal to the half-width at half-maximum of the anomaly (Nettleton, 1939). Assuming that the anomaly over the Gunnison...

1982

Characterizing Gas Transfer from the Inorganic Matrix and Kerogen to Fracture Networks: A Comprehensive Analytical Modeling Approach

Jie Zeng, Jishan Liu, Wai Li, Lin Li, Yee-Kwong Leong, Derek Elsworth, Jianchun Guo

Unconventional Resources Technology Conference (URTEC)

...); xe is the reservoir half-width (ft); y1 is the SRV half-width (ft); y2 is the half-spacing between two fractures (ft); and wF is the hydraulic...

2019

Photoelastic Model Studies of Thrust Fault Initiation

J. J. Gallagher Jr., W. D. Rizer

Wyoming Geological Association

... is the slot direction relative to the loading direction. The half-length and half-width of the slots are a and b. NOTE: Slots are 0.125 in. wide and Q...

1977

A New Method for Obtaining Significant Average Directional Measurements in Cross-Stratification Studies

O. B. Raup, A. T. Miesch

Journal of Sedimentary Research (SEPM)

... by the commonly used equation, h = [ts]/[n] where h is the half-width of the confidence interval, s is the standard deviation, n is the number of measurements...

1957

Thermal Anomalies in Sediments near Evolving Salt Structures: Importance for Modeling the Timing of Oil Generation

K. Petersen, I. Lerche

GCAGS Transactions

... width. The temperature anomaly at the salt base is about -20° C. A tall diapir (same height as in Figure 3 but only half the width [Fig. 4]) shows...

1994

Construction and Use of Maps of Curvature for Revealing Buried Platform Uplifts

A. B. Kogan

Petroleum Geology: A Digest of Russian Literature

... to the point where R does not attain half the width of a structure of the second order. Further increase in Δh ceases, in spite of increase in R...

1961

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

... is the main gas-bearing horizon IX. The sounding was carried out under very favorable conditions with d/h = 10, where d is half the width of the pool...

1965

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...

1957

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...

2019

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...

1946

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...

2011

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