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The AAPG/Datapages Combined Publications Database
Showing 30,472 Results. Searched 195,354 documents.
Abstract: Raypath-Consistent Shear Wave Statics; #90224 (2015)
Raul Cova, David Henley, and Kris Innanen
Search and Discovery.com
... of variations in the transmission angle through the low velocity layer (LVL) due to changes in offset and as a result of the structure of the LVL. Although PS...
2015
Improvement of Seismic Tomographic Imaging by Downward Continuation and Modified SIRT
Teuku A. Sanny, D. Santoso, D. Dahrin, Fatkhan, Alfian B.
Indonesian Petroleum Association
... 411 419 There were some problems with seismic tomographic reconstruction when the Low Velocity Layer (LVL) exists at the top of the investigation...
1996
Impact of Polymer or Surfactant Flooding on Permafrost Stability
Dongmei Wang, Shane Namie, Chunxiao Li
Unconventional Resources Technology Conference (URTEC)
... the geological subdivisions of permafrost distribution in the subsurface which included: an active layer (seasonally frozen ground); taliks (unfrozen ground...
2019
Thermal Considerations in Permafrost
Arthur H. Lachenbruch
Pacific Section of AAPG
.... Survey Bull. 1052-B, p. 51-69. Lachenbruch, A. H., 1957b, Thermal effects of the ocean on permafrost: Geol. Soc. America Bull., v. 68, no. 11, p...
1970
Permafrost Studies in the Norman Wells Region, Northwest Territories
P. J. Kurfurst, R. M. Isaacs, J. A. Hunter, W. J. Scott
CSPG Special Publications
.... B, p. 155–159. Lachenbruch, A. H., 1970, Some estimates of the thermal effects of a heated pipeline in permafrost: U.S. Geol. Surv., Circ. 632...
1973
2001
7.0 The Structural Significance of Seismic Velocity - A Progress Report
P. E. Gretener
AAPG Special Volumes
..." stands for any unfrozen ground in the permafrost areas at high latitude. It may occur above the permafrost as the active layer (seasonal unfreezing...
1981
Electromagnetic Survey of Permafrost Thickness in Northern Alaska in 1969 and 1970
George V. Keller
Pacific Section SEPM
... been undertaken, there has been an intensified interest in the development of geophysical methods for surveying the thickness of the permafrost layer...
1987
Abstracts: Near-surface Velocity Model Building and Statics in Permafrost Regions; #90173 (2015)
Tianfei Zhu, Yan Yan, and Jon Downton
Search and Discovery.com
.... Moreover, due to the vertical temperature gradients, these regions often have a high-velocity permafrost surface layer underlain by a low-velocity...
2015
Temperature and Depth of Permafrost on the Alaskan Arctic Slope
A. H. Lachenbruch, J. H. Sass, L. A. Lawver, M. C. Brewer, B. V. Marshall, R. J. Munroe, J. P. Kennelly Jr., S. P. Galanis Jr., T. H. Moses Jr.
Pacific Section SEPM
... Ocean. The observed variation in permafrost temperature and depth cannot result primarily from effects of surface bodies of water or from broad regional...
1987
Late Pleistocene Air Temperatures in the Bighorn Basin, Wyoming: Inferences from Periglacial Ice-Wedge Casts and the Numerical Modeling of Near-Surface Ground Temperatures
Nick Visser, Henry P. Heasler, Brainerd Mears Jr.
Wyoming Geological Association
... in the periglacial environment. Permafrost typically occurs below a layer of seasonal thaw, referred to as the active layer. The bottom of the active...
1996
Challenges to Processing, Interpretation and Depth Conversion Posed by Dynamic Statics Over the Ujung-Pangkah Field
Donald Easley, Ferry Yustiana
Indonesian Petroleum Association
... as relatively low value. A representative T-D curve is attached to show the quality of the data acquired. The Influence of the Low Velocity Layer (LVL...
2009
Discussion
Robert Stoneley
Pacific Section of AAPG
... it has been asserted that the base of the permafrost at Prudhoe Bay lies at depths of 1,800 to 2,000 feet, and since this is considerably deeper than has...
1970
The application of seismic shothole drillers’ log data to petroleum exploration and development
I. Rod Smith
CSPG Bulletin
... materials within surface unconsolidated materials (the “weathered zone;” e.g. muskeg, permafrost) are well known (Steeples and Baker, 1998; Steeples et al...
2012
Quantitative Analysis of Volcanic Lithic Fragments
Mathew D. Affolter, Raymond V. Ingersoll
Journal of Sedimentary Research (SEPM)
... (Southern California): Sedimentology, v. 42, p. 783–804. Critelli, S., Le Pera, E., and Ingersoll, R.V., 1997, The effects of source lithology, transport...
2019
Seismic Wave Attenuation in Gas Hydrate-Bearing Sediments from Vertical Seismic Profiling Data, Mallik, Northwest Territories, Canada
Gilles Bellefleur
Search and Discovery.com
... effects, especially those related to thick permafrost, could improve seismic imaging of hydrate-bearing sediments and reservoir characterization...
Unknown
Seismic Wave Attenuation in Gas Hydrate-Bearing Sediments from Vertical Seismic Profiling Data, Mallik, Northwest Territories, Canada
Gilles Bellefleur
Search and Discovery.com
... effects, especially those related to thick permafrost, could improve seismic imaging of hydrate-bearing sediments and reservoir characterization...
Unknown
Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)
Kristof De Meersman and Marcelo Roizman
Search and Discovery.com
... converts to an S-wave at the base of the weathered layer both phases are recorded at surface. The arrival time difference between the two can be used...
2013
Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)
Kristof De Meersman and Marcelo Roizman
Search and Discovery.com
... converts to an S-wave at the base of the weathered layer both phases are recorded at surface. The arrival time difference between the two can be used...
2013
Ultra-deep Jurassic acquisition technology and its application in dual-complex low SN ratio area, Qaidam Basin
Yongguo Wu, Zhenhua He, Di Wu, Yongsheng Wang, Chunrui Han, Hua Yao
International Meeting for Applied Geoscience and Energy (IMAGE)
... is in the central depression area of Qaidam Basin. It is a typical dual-complex plateau area covered with a thick dry loose accumulation surface layer, the depth...
2023
Petrography and provenance of beach sands from volcanic oceanic islands: Cabo Verde, Atlantic Ocean
Emilia Le Pera, Consuele Morrone, José Arribas, M. Eugenia Arribas, Eumenio Ancochea, M. José Huertas
Journal of Sedimentary Research (SEPM)
..., The effects of source lithology, transport, deposition and sampling scale on the composition of southern California sand: Sedimentology, v. 44, p...
2021
Abstract: Static Corrections Via Raypath Interferometry: Recent Field Experience; #90224 (2015)
David C. Henley
Search and Discovery.com
... in the MacKenzie Delta, for which surface-consistency was violated by the high-velocity permafrost surface layer, and which manifested instances of multipath...
2015
Importance of Sea-Level Controlled Depositional Architecture to the Understanding of Permafrost and Gas Hydrates on High Latitude Shelves; #80124 (2011)
Philip Hill, Scott Dallimore, Alan Taylor
Search and Discovery.com
...Importance of Sea-Level Controlled Depositional Architecture to the Understanding of Permafrost and Gas Hydrates on High Latitude Shelves; #80124...
2011
Abstract: Point Receiver Acquisition and Processing for Arctic Near Surface Challenges; #90171 (2013)
C. Strobbia, A.Glushchenko, A. Laake, P.L.Vermeer, S. Papworth, and Y. Ji
Search and Discovery.com
... with discontinuous or sporadic permafrost, or with a thick seasonally frozen layer, lateral heterogeneities occur due to the transition between frozen patches...
2013
Seismic Weathered or Aerated Surface Layer
O. C. Lester, Jr.
AAPG Bulletin
...Seismic Weathered or Aerated Surface Layer O. C. Lester, Jr. 1932 1230 1234 16 12. (December) The existence of a comparatively thin surface layer...
1932