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The AAPG/Datapages Combined Publications Database

Showing 24,832 Results. Searched 189,607 documents.

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New Technology for Characterizing Louisiana's Shallow Coastal Water Bottoms and Predicting Future Changes

Harry H. Roberts , Charles A. Wilson , John Supan ,  and Walker Winans

GCAGS Transactions

... subbottom profiler (4-24 kHz) for rapidly acquiring both surficial and shallow subsurface data (average water depths 0.7 to ~ 3.0 m) has now been...


Part Two. Interpretations of Deep Sea Drilling Project Data

Oscar E. Weser

AAPG Special Volumes

... of the Indian Ocean is an old structural high. [Although progressive onlap is not clearly defined on Figure 38 it is obvious on an enlargement of the profiler...


Refraction Shooting with Expendable Sonobuoys: GEOLOGICAL NOTES

J. Ewing , R. Leyden , M. Ewing

AAPG Bulletin

...; Hill and King, 1953). It was recognized at an early stage in the development of low-powered, rapidly repeating sound sources for continuous...


Reducing Risk in Offhore Planning and Development

Brian Brookshire Jr., Larry Scott

GEO ExPro Magazine

... and AUV (autonomous underwater vehicle) mounted sensor suites (such as chirp subbottom profiler, dual-frequency side-scan sonar, or multibeam...


Seismic Refraction and Reflection in Caribbean Sea

N. Terence Edgar , John I. Ewing , John Hennion

AAPG Bulletin

... nonturbidite basin sedimentary sequence includes velocities of 1.9, 2.7, and 3.9 km/sec. The reflection profiler shows two acoustically transparent...


Offshore Sand Resources for Coastal Erosion Control in Louisiana

Shea Penland , John R. Suter ,, Karen E. Ramsey , Randolph A. McBride , S. Jeffress Williams , C. G. Groat

GCAGS Transactions

... and revegetation projects. Such projects require viable sources of suitable sand for construction. High resolution seismic profiles were collected in the study area...


Effect of Diapirism on Sedimentation in Gulf of Mexico

Jack R. Walker , H. Robert Ensminger

AAPG Bulletin

... (3,500 Hz), high-resolution seismic profiler. The seismic profiles obtained with this system provide information about the effects on recent sediments...


Island Arc System in Andaman Sea

L. Austin Weeks , R. N. Harbison , G. Peter

AAPG Bulletin

...Island Arc System in Andaman Sea L. Austin Weeks , R. N. Harbison , G. Peter 1967 1803 1815 51 9. (September) A sub-bottom profiler survey...


Inferring Stratigraphy from Seismic Data

R. E. Sheriff

AAPG Bulletin

... to be reached between resolving power and depth of penetration. Profiler sources have tended to emphasize high frequencies at the expense of penetration...


Analysis of High Resolution Seismic Data: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation

Herman C. Sieck, George W. Self

AAPG Special Volumes

... are generally high-frequency, low-energy devices whose primary purpose is resolution rather than penetration. All of the acoustic (seismic) systems listed...


Natural Hydrocarbon Seepage in Offshore Northern Perth Basin: Evidence for an Extension of Active Perth Basin Petroleum Systems

Nadege Rollet, Andrew Jones, Emmanuelle Grosjean, Chris Nicholson, Jens Greinert

Petroleum Exploration Society of Australia (PESA)

...-bottom profiler data have a penetration of up t o 70 ms two-way-time -667 (TWT) below the seafloor, providing a • good resolution image of t he...



Sedimentation and Tectonic Modification of Samoan Archipelagic Apron

Peter Lonsdale

AAPG Bulletin

... and Mudie, 1970), which incorporates a narrow-beam bathymetric profiler (effective beamwidth 4°), a pair of side-looking sonars, a 4-kHz seismic...


Marine Site Investigation and Reducing Risk

Mark E. Vardy

GEO ExPro Magazine

..., providing both sub-meter-resolution imaging of the shallow subsurface and lower-resolution penetration of the full top-hole section, as required. Are We...


Sediment Distribution in Western Atlantic Off Northern Brazil--Structural Controls and Evolution

Naresh Kumar

AAPG Bulletin

... profiler data. The maximum penetration into the sediment column where the acoustic basement is visible on the profiler record was observed near sonobuoy...


Characteristics of Diapirs on the Outer Continental Shelf-Upper Continental Slope Boundary, Northwest Gulf of Mexico

Anita R. Trippet

GCAGS Transactions

... during previous surveys in particular blocks were used where available. A total of 8,139 km each of subbottom profiler data (7 kHz) and minisparker data...


Shelf-edge delta and reef development on a mixed siliciclastic–carbonate margin, central Great Barrier Reef

James Daniell, Thomas Manoy, Robin J. Beaman, Jody M. Webster, Ángel Puga-Bernabéu

Journal of Sedimentary Research (SEPM)

.... We use dense sparker seismic and sub-bottom profiler data to better understand the structure of a large lobe-shaped feature (∼ 10 km × 10 km...


Stability of Continental Shelf and Slope off Louisiana and Texas: Geotechnical Aspects: 4. Character of the Sediments

David J. Watkins , Leland M. Kraft Jr.

AAPG Special Volumes

... Technology Conf., Houston, Proc., v. 3, p. 753-766. Doyle, E. H., B. McClelland, and G. H. Ferguson, 1971, Wire-line Vane probe for deep penetration...


Multifrequency Acoustic Profiling for Water Reservoir Sedimentation Studies

John A. Dunbar , Peter M. Allen , Paul D. Higley

Journal of Sedimentary Research (SEPM)

... centimeters of soft mud, but they are not effective for penetrating the several meters of sediment typically found in reservoirs. The alternative...


Piercement Structures in Deep Oceans

Y. Lancelot , R. W. Embley

AAPG Bulletin

... could act as an initial trigger of the piercement mechanism. The cause of the effective density inversion which would appear to be necessary...


Deepwater Frontier Exploration

Jane Whaley

GEO ExPro Magazine

..., TGS has recently come up with innovative ways of combining data from a number of sources to examine the prospectivity of underexplored deepwater...


Structure: PART 2

K. O. Emery, Elazar Uchupi

AAPG Special Volumes

... ice reached the ocean. The seismic-profiler recordings show pronounced warping in the sedimentary strata beneath the outer banks. A. C. Grant (1970...


Interpretation of Piezocone Penetrometer Profiles in Sediment from the Mackenzie Trough, Canadian Beaufort Sea

Kathryn Moran, Philip R. Hill, Steve M. Blasco

Journal of Sedimentary Research (SEPM)

...., AND FUNEGARD, E., 1983, Cone penetration testing in the Beaufort Sea: Proceedings of the Conference on Geotechnical Practice in Offshore Engineering, p...


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