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The AAPG/Datapages Combined Publications Database
Showing 169 Results. Searched 200,293 documents.
Methods of Rock-Salt Mining in Louisiana
Donald H. Kupfer Professor Emeritus
New Orleans Geological Society
... and then deepened (by benching) to 75-95 feet high; air corridors are not benched. Large pillar is to protect the shaft. Half-width openings off air...
1983
A Thermal-Mechanical Model of Rifting with Implications for Outer Highs on Passive Continental Margins: Tectonic Process: Model Investigation of Margin Environmental and Tectonic Processes
R. C. Vierbuchen, R. P. George, E R. Vail
AAPG Special Volumes
... lithosphere slowly broadens. End_Page 770------------------------ of flow in the lower crustal rocks over a zone with a 1000-km half-width. Hence...
1982
Characterization of a Sediment Core from Potential Gas-hydrate-bearing Reservoirs in the Sagavanirktok, Prince Creek, and Schrader Bluff Formations of Alaska's North Slope: Part 2Porosity, Permeability, Grain Density, and Bulk Modulus Core Studies*
R. F. Sigal, C. Rai, C. Sondergeld, B. Spears, W. J. Ebanks Jr., W. D. Zogg, N. Emery, G. McCardle, R. Schweizer, W. G. McLeod, J. Van Eerde
AAPG Special Volumes
... sample as the numerator. Figure 6 shows the distribution of the porosity ratios. The values are grouped into bins. Each bin has a half width of 0.02...
2009
3-D Geocellular Modeling
Mike Shepherd
AAPG Special Volumes
... to influence flow. Some modelers recommend that the grid cell size should be at least half the width of the narrowest macroform (Figure 135). The cell...
2009
Uncertainty Analysis and Assisted History Matching Workflow in Shale Oil Reservoirs
Zheng Zhang, M. Reza Fassihi
Unconventional Resources Technology Conference (URTEC)
... planar fractures. We carried out a sensitivity run with and without the Enhanced Permeability Areas (EPA). Different half width of EPA is also...
2013
Analytical Pressure and Rate Transient Models for Analysis of Complex Fracture Networks in Tight Reservoirs
Jorge A. Acuña
Unconventional Resources Technology Conference (URTEC)
... to that of the embedding porous medium. The reservoir has an area A perpendicular to flow changes with distance as A = 2δ−1 4Xf hrD where Xf is the half-width of the area...
2016
Layered Modulus Effect on Fracture Modeling and Height Containment
Kaimin Yue, Jon E. Olson, Richard A. Schultz
Unconventional Resources Technology Conference (URTEC)
... 100 80 Numerical solution 60 Analytical solution 40 20 0 0 0.1 0.2 0.3 0.4 Half width, inch Figure 2. Comparison of fracture width...
2018
Distinction of Aggradational and Degradational Fluvial Regimes in Valley-Fill Alluvium, Tapia Canyon, New Mexico
Russell G. Shepherd
Dallas Geological Society
... but may be twice or half that width in some exposures. The rather notable variation in these measurements is due to the varying angles, with regard...
1977
Underthrusting Origin for Thrust - Fold Belts with Application to the Idaho - Wyoming Belt
James D. Lowell
Southeast Asia Petroleum Exploration Society (SEAPEX)
... and others, 1975, p. 48) which is, of course, far less than the 2600 km half-width of central Atlantic spreading. It should be noted, however...
1978
Distinction of Aggradational and Degradational Fluvial Regimes in Valley-Fill Alluvium, Tapia Canyon, New Mexico
Russell G. Shepherd
CSPG Special Publications
... but may be twice or half that width in some exposures. The rather notable variation in these measurements is due to the varying angles, with regard...
1977
Recognition of Subtle Features in Geologic Maps
J. E. Robinson, D. F. Merriam
CSPG Special Publications
... the edge of a map equal to one-half the width of the filter and narrow band pass filters are areally large, spatial filters must be designed to pass...
1980
Application of Zero Offset 2D CRS-Stack Method for Low Fold Data: Synthetic and Real Data Examples
R. Sule, A. Hendriyana, P. D. Anggraini, Fatkhan, Alfian, Sardjito, Waluyo, Adriansyah
Indonesian Petroleum Association
... curved reflector. It can be expressed as follow: where The index denotes the contributing traces , the discrete traveltime for each traces, W half-width...
2009
Upper Ordovician — Lower Silurian Misty Creek Mounds, Mackenzie Mountains, N.W.T.
M. P. Cecile, A. W. Potter
CSPG Special Publications
... a half width of 40 km for the basin, as shown by Cecile (1982), a uniform slope from the platform edge to the center of the basin would have had...
1988
Underthrusting Origin for Thrust-Fold Belts with Application to the Idaho-Wyoming Belt
James D. Lowell
Wyoming Geological Association
... and others, 1975, p. 48) which is, of course, far less than the 2600 km half-width of central Atlantic spreading. It should be noted, however, that the two...
1977
Automated Well Top Picking and Reservoir Property Analysis of the Belly River Formation of the Western Canada Sedimentary Basin
Baosen Zhang, Tianrui Ye, Yitian Xiao, Dongmei Li, Guoping Wang, Cong Su, Tongyun Yao
Unconventional Resources Technology Conference (URTEC)
... values separately for both top and bottom boundaries (Figure 7). In this case study, we found that for the bottom boundary the “pick half width...
2022
Measures of Particle Roundness: A NOTE
Bernard Swan
Journal of Sedimentary Research (SEPM)
... circle as its denominator. This value is often more or less equal to half the width of the particle. When used as with particle outlines it prevents...
1974
Pierre Feces: A Scatological Study of the Dakoticancer Assemblage, Pierre Shale (Upper Cretaceous) of South Dakota
Gale A. Bishop
Journal of Sedimentary Research (SEPM)
... one-half the width and the included fish scales usually parallel only the cylindrical wall. While resting on the bottom the fecal masses were...
1977
Otc 3482 Submarine Mudslide Morphology and Development Mechanisms, Mississippi Delta: Appendix 5-3
D. B. Prior, J. N. Suhayda
AAPG Special Volumes
...------------------------- and a is the half width of the chute, b is the depth, is the unit bulk weight, and ß is the bottom slope angle. Interestingly...
1981
Chapter 46: Architecture and Facies of Confined Deep-water Clastics in the Grand Coyer Remnant, Grès d’Annot, France
Julian Clark, David Stanbrook, Andy Gardiner
AAPG Special Volumes
... NA NA NA NA NA Channelform Architectural Elements C1 C2 Channel form Partial (two-thirds) Partial (half) Width Estimated total width = 900 m...
2007
Chapter 107: Toe-of-slope Channel Complexes at Buena Vista, Upper Brushy Canyon Formation, Texas, USA
C. Rossen, R. T. Beaubouef
AAPG Special Volumes
... of 8 m (27 ft) and exposed half-width of 24 m (80 ft). The basal erosion surface (with 3.5 m [12 ft] of relief) is cut into older, channel-filling...
2007
Review of Conference on Hydrology of Deep Sedimentary Basins: GEOLOGIC NOTES
Parke A. Dickey , Paul H. Jones
AAPG Bulletin
... to a gravity anomaly, with its half-width equal to the depth to basement. Certain chemical "thermometers" indicate the maximum temperature to which the water...
1975
Cretaceous Flexural History of Northern Oman Mountain Foredeep, United Arab Emirates
T. L. Patton , S. J. O'Connor
AAPG Bulletin
... to as downflexed portion of lithosphere. Dimensions marked X and W are half-width and maximum height of the peripheral swell, respectively. These two...
1988
Mesozoic Rift Basins Onshore North Carolina and South-Central Virginia, U.S.A.: Deep River and Dan River - Danville Total Petroleum Systems (TPS) and Assessment Units (AU) for Continuous Gas Accumulation Atlantic Margins, #10712 (2015).
Jeffrey C. Reid, Kenneth B. Taylor
Search and Discovery.com
... are very narrow in width (up to tens of feet), vertical, limited in number, and have heated the sedimentary strata to about one-half the width of a dike...
2015
Internal Structure of the Southern Front Range, Colorado, From an Apatite Fission-Track Thermochronology Perspective
Shari A. Kelley, Charles E. Chapin
Rocky Mountain Association of Geologists
... (Kelley and Chapin, 1997). The maximum half-width of the intensely-mineralized zone at Idaho Springs is about 3 km (Sims, 1963) and the half-width...
1997
Late Paleozoic subsidence and burial history of the Fort Worth basin
Ohood B. Alsalem, Majie Fan, and Xiangyang Xie
AAPG Bulletin
... the density of basin fill. Variable x is the distance to the load, hL is the height of the load, and L is the half width of the load. Variable α...
2017