Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)

Aaron Stanton

Search and Discovery.com

...) artifacts due to crosscorrelation of diving-waves, head-waves, or backscattered waves. The attenuation of artifacts is achieved via preconditioning using...

Gas Pits in Non-marine Sediments

John H. Maxson

Journal of Sedimentary Research (SEPM)

...------------------------ drowned mouths of small tributaries to the Colorado River. The head of the lake in December, 1939, was at Separation Rapids...

Reinterpreting the Paleosalinity and Water Depth of Peripheral Foreland Basin Flysch

Search and Discovery.com

Part 3: Support Data (A)

Francis P. Shepard, Neil F. Marshall, Patrick A. McLoughlin, Gary G. Sullivan

AAPG Special Volumes

... at Redondo because the usual supplies of sand from the north were blocked and because waves were converging just north of the canyon head (Shepard...

Delivering a Step-Change in Imaging from Indonesias First Ocean Bottom Node 3D Seismic Survey at Tangguh

Christopher Birt, Hery Prastowo, Danang Priyambodo, Simon Wolfarth, Johnathan Stone

Indonesian Petroleum Association

... of 20km were recorded to provide diving waves needed for detailed velocity inversion. The dense wide-azimuth design resulted in a high fold of over...

The Composition, Structure and Erodability of Subtidal Mats, Abaco, Bahamas

A. Conrad Neumann, Conrad D. Gebelein , Terence P. Scoffin

Journal of Sedimentary Research (SEPM)

... sand waves are bare at low tide. The belt of arcuate sand waves is bounded at the head of the bay by a short beach and a muddy mangrove shoreline. Low...

Regressive Carbonate Ramp Sequence in the Kinblade and West Spring Creek Formations of the upper Arbuckle Group: I-35 South, Arbuckle Mountains, OK.

Andrew Cullen

Oklahoma City Geological Society

...’s first reflection seismic data were acquired on August 9, 1921 at the town of Dougherty 5mi to the east. After a visit to the scenic turnout, head...

Equilibrium Shelf Sedimentation, Rio De La Plata Shelf, Puerto Rico

Orrin H. Pilkey ,, James V. A. Trumbull , David M. Bush

Journal of Sedimentary Research (SEPM)

..., which is subjected to open-ocean waves formed by the trade-wind system and to swell systems formed by North Atlantic storms. Some indication of north...

Models for Marine Evaporite Basins and Evaporite Environments: Chapter 1

Brian W. Logan

AAPG Special Volumes

.... Evaporative outflow lowers the water level from sill to basin head. This slope forces inflow: [EQUATION (1)] where d is mean depth, r is the friction...

Mid Cretaceous Source Rock Enigma

Rasoul Sourkhabi

GEO ExPro Magazine

... at the core-mantle boundary (a 100-200 km thick thermal boundary known as the D-layer), and thus rapid convection of the outer core to restore...

Authigenic Vivianite in Potomac River Sediments: Control by Ferric Oxy-Hydroxides

P. P. Hearn, D. L. Parkhurst, E. Callender

Journal of Sedimentary Research (SEPM)

... the head of the embayment (stations 5 and 15 in Fig. 1). This area is distinguished by a surface layer of coarse quartzose sand approximately 10 cm...

The Effects of Topography on Sedimentation from Particle-Laden Turbulent Density Currents

Marcus I. Bursik , Andrew W. Woods

Journal of Sedimentary Research (SEPM)

... flow phenomenon in a two-layer flow: Journal of Fluid Mechanics, v. 47, p. 241-256. WOODS, A.W., BURSIK, M.I., AND KURBATOV, A.V., 1998, The interaction...

Heterogeneity within Carbonate Reservoirs - Guidelines from Modern Analogs

Paul M. (Mitch) Harris

Search and Discovery.com

... reservoir properties. An upper layer of muddy ooid sand, some 20 km (12.4 mi) wide and from 4 to less that 1 m (13 to less than 3.2 ft) thick, thins...

Overcoming High Watercut and High Free Gas Content on ESP Well Using VSD a Field Study

Bastian Wismana, Adi Matondang

Indonesian Petroleum Association

..., including highly viscous wells, high wtercut wells or high free gas wells. The effect of varyung frequency can be seen by preparing new head-capacity...

Acquisition and Interpretation of Horizontal Well Logs

Kyel Hodenfield, Bill Scanlan

Pacific Section of AAPG

... this to the continued reading of the faster layer, even after the layer has left the borehole. Figure 14. Effect of intersection of a subhorizontal well and a siderite...

Physiography and Sedimentary Processes of La Jolla Submarine Fan and Fan-Valley, California

F. P. Shepard , R. F. Dill , Ulrich Von Rad

AAPG Bulletin

... depressions around isolated erratics suggest the ero ive effect of relatively weak currents in some places but, for the most part, the muddy floor seems...

Transport Mechanisms of Sand in Deep-Marine Environments—Insights Based on Laboratory Experiments

Hedda Breien, Fabio V. De Blasio, Anders Elverhoi, Johan P. Nystuen, Carl B. Harbitz

Journal of Sedimentary Research (SEPM)

.... 26, p. 1897–1899. Arbues, P., Mellere, D., Puig, M., and Marzo, M., 2007, The effect of slumping on sandstone distribution in the Arro turbidites, Los...

Field Trip Guidebook: Tidal Sedimentation in the Cornwallis River„Avon River Estuaries, Bay of Fundy, Nova Scotia: Sedimentology, Morphology, and Natural History

Ian S. Spooner, G. Yeo

Atlantic Geoscience Society Special Publications

... and the minimal input of sediment from terrestrial sources. By contrast, the two major estuaries at the head of the Bay (the northern Chignecto Bay...

Wave and Current Orientation of Shells

J. Stewart Nagle

Journal of Sedimentary Research (SEPM)

... patterns. Field Experiments After studying the effect of waves and currents on shell orientation under controlled laboratory conditions, it was necessary...

A Novel Casing Antenna System for Crosswell Electromagnetic Telemetry in Pad Drilling

Shubin Zeng, Qiuzhao Dong, Jiefu Chen

Unconventional Resources Technology Conference (URTEC)

... of electromagnetic waves between adjacent wells, i.e. crosswell wireless communication, which can lead to a substantial saving of operational time...

Woollybutt 2001: A Geoscience Odyssey

D. J. Hearty, M. A. Battrick

Petroleum Exploration Society of Australia (PESA)

.... This layer is highly porous hut has poor permeability and may he a distal equivalent of the Birdrong Sandstone. The top of the 'basal' Mardie Greensand...

Use of Scintillation Apparatus for Exploration of Oil and Gas Pools

A. P. Grumbkov, V. V. Matveev, G. S. Semenov, A. D. Sokolov

Petroleum Geology: A Digest of Russian Literature

... of radioactive elements in the surface layer of the earth; they give no idea on the distribution of individual components of this radiation. It is fully...

Identifying Underutilized Ground Water Resources in the Coastal Bend Region of Texas

Karen K. Dodson

GCAGS Transactions

.... In Layer 1, shoreline boundaries along the bay systems were assigned constant head values of 0.0 ft. msl. River boundary conditions were assigned...

Abstract: The Effect of Scale-controlled Fault Properties on Fluid Transmissibility within Carbonates (Chalks), a Case Study from Flamborough Head, UK, by D. Sagi; #90094 (2009)

Search and Discovery.com

Crustal Structure of Queen Elizabeth Islands and Polar Continental Margin, Canada: Evolution of Arctic Ocean Basin

L. W. Sobczak, J. R. Weber

AAPG Special Volumes

... by a composite structure consisting of a sedimentary layer up to 10 km in thickness and a crust which thins by as much as 17 km. The average free-air...