Latin America After 1920: Chapter 17: PART V. VENEZUELA

J. Herbert Sawyer

AAPG Special Volumes

... could be "renounced" in order to reduce rental costs. Much of the concession area was geologically blind as it was covered by dense jungle and mangrove...

Velocity Analyses of Near Seafloor Strata Based on Multichannel Seismic Data from the Tonga Platform

Jeffrey E. Cole, Dennis M. Mann

Circum Pacific Council Publications

... shallow enough, and the seabed strata sufficiently "fast", that refraction arrivals appeared on the outer traces. Muting was required to remove these outer...

Regional Geologic Framework off Northeastern United States: REPLY

John Schlee , John C. Behrendt , John A. Grow , James M. Robb , Robert E. Mattick , P. T. Taylor , Barbara J. Lawson

AAPG Bulletin

.... His objections center mainly on the discrepancy of depth estimates to "basement" inferred from earlier refraction and magnetic studies and our work...

The Role of Rheology in the Tectonic History of the Colorado Plateau

Stephen T. Nelson, Ronald A. Harris

Pacific Section of AAPG

... and Range-Colorado Plateau transition from coincident seismic refraction and reflection data: Geological Society of America Bulletin, v. 106; p. 747-759...

Chapter 3: Preparation of Seismic Data for Stratigraphic Work

Tom Wittick

North Texas Geological Society

...-surface layers. If the velocity differences are large then we sometimes have to use refraction statics which will correct for large velocity differences...

Preparation of Seismic Data For Stratigraphic Work

Abilene Geological Society

.... If the velocity differences are large then we sometimes have to use refraction statics which will correct for large velocity differences. Normal...

Circum-North Atlantic Tectono-Stratigraphic Reconstruction

Laurence M. Wilson

CSPG Special Publications

... Journal of Earth Science, 8, p. 1218-1251. Sheridan, R.E., Drake, C.L., Nafe, J.E. and Hennion, J., 1966. Seismic-refraction study of continental margin...

Looking Forward in Petroleum Geology

H. T. Morley

Tulsa Geological Society

... is interesting because it was published three years before refraction seismographs appeared on the Gulf Coast and seven years before the first reflection...

High-frequency FWI velocity model building for hydrocarbon delineation

Lianping Zhang, Souvik Sengupta, Chirag Parekh, Robert Eliott-Lockhart

International Meeting for Applied Geoscience and Energy (IMAGE)

... the seismic image. These factors contributed to an accurate flat hydrocarbon-water contact in depth. The direct hydrocarbon indicator flat spot is clearly...

Subsurface Geology of the Eastern Part of the Zaunguz Kara Kum Region in the Light of Newest Geological and Geophysical Data

V. G. Kots

Petroleum Geology: A Digest of Russian Literature

... difficultly accessible areas in Turkmenistan, is almost continuously covered by Cenozoic sediments and therefore up until recently has been a “white spot...

Alberta Energy Sources, Coal to Hydrocarbons; Exploration, Surface and Subsurface

Floyd K. Beach

CSPG Special Publications

... spot for coal in the near future will be mentioned in discussing water power. Recovery Factor for Coal In the 1919 report of the Alberta Mines Branch...

Discovery and Development of the Badak Field, East Kalimantan, Indonesia

Roy M. Huffington, H. M. Helmig

AAPG Special Volumes

... 1968 and included aerial photographic and magnetic surveys, geologic field work, and reflection and refraction seismic surveys. Geologically, the Badak...

Illite And Montmorillonite In Green Sedimentary Rocks

W. D. Keller

Journal of Sedimentary Research (SEPM)

... of minerals vary with particle size. index of refraction of the surrounding medium (as when wetted), polarization, diffraction, scattering, and other...

Methods and Preliminary Results in a Study of Minerals from the Eastern Gulf of Mexico

Nora Gladwin Fairbank

Journal of Sedimentary Research (SEPM)

... may be more than a mile long. Meanwhile the ship is drifting, and it is never possible to go back and get another sample at precisely the same spot...

Hydrocarbon Exploration in the Gulf of Mexico and Caribbean, a Plate Tectonic Perspective

Search and Discovery.com

Abstract: Reservoir Characteristics of a Quaternary Channel: Incorporating Rock Physics in Seismic and DC Resistivity Surveys; #90211 (2015)

Jawwad Ahmad and Douglas Schmitt

Search and Discovery.com

... formations. These contrasts allow the channel to be detected based on both refraction and resistivity analysis. The resistivity profile further shows...

The Subandean Foothills Basins, a Regional Study.

Larry Garmezy, Hanspeter Mohler, Keith James, Harry Doust

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... of the hanging wall thrust anticline type, some outcropping, "some blind, and in most cases, as in the Maturin Basin, thin-skinned (fig. 12). Pinchout...

Interpretive Structural Cross Section from the Central Diablo Range to the San Joaquin Valley, California

M. C. Erskine

Pacific Section of AAPG

... blind thrusts (Wentworth and others, 1984; Namson and Davis, 1988; Wentworth and Zoback, 1989; Hill and others, 1990). The data suggest that convergence...

Sand Movement Along Equilibrium Beaches North of San Francisco

John A. Cherry

Journal of Sedimentary Research (SEPM)

... of northern California: Univ. California, Hydraulic Eng. Lab. Tech. Rept., HEL-2-10, 63 p. MUNK, W. H., AND TRAYLOR, M. A., 1947, Refraction of ocean waves...

Petroleum Developments in Africa in 1956

Hollis D. Hedberg

AAPG Bulletin

... the boring at Hassi Messaoud (Md-1), spudded January 12, 1956, about 100 km. east of Ouargla on a refraction seismograph prospect, has encountered...

The Florida Lineament

Gary Christenson

GCAGS Transactions

...-Bahamas hot spot into a ridge-ridge-ridge triple junction. Klitgord (1984) and Pindell (1985) associate the volcanics with intracontinental rifting related...

Pitfalls in three-dimensional seismic interpretation: Footprints of an irregular source–receiver layout

Priyank Jaiswal, Robert Holman, and Michael Grammer

AAPG Bulletin

... refraction tomography codes at karst sites: Symposium on the Application of Geophysics to Engineering and Environmental Problem, San Antonio, Texas, April 6...

Petroleum Geology of the Beringian Continental Shelf

Michael S. Marlow, Alan K. Cooper, Michael A. Fisher

Circum Pacific Council Publications

... shown on Figure 5. Lines 1, 2, and 3 correspond to sonobuoy refraction stations shown in lower left of figure Figure 5. Interpretative time-section...

Isostasy and Tectonic Origins of Pacific Seamounts

Jeffery T. Freymueller, James N. Kellogg

Circum Pacific Council Publications

.... Comparison of our predictions with those determined by seismic refraction suggest that we have 42 S E A M O U N T ISOSTASY Table 2. Input data...

Geological Outline of the Norwegian Continental Margin Between 60° and 68° North

Eirik Sundvor, Eigill Nysaether

CSPG Special Publications

... and to the west by the marginal escarpments and the Jan Mayen Fracture Zone. Refraction seismic measurements give thicknesses of up to 4.5 km for sediments...