Geology of the Offshore Southeast Georgia Embayment, U.S. Atlantic Continental Margin, Based on Multichannel Seismic Reflection Profiles: Rifted Margins

Richard T. Buffler , Joel S. Watkins , William P. Dillon

AAPG Special Volumes

.... the sedimentary section onlaps a regional unconformity characterized by a strong, smooth reflector/high-velocity refractor (5.8 to 6.3 km/sec). Rocks below...

Oceans, New Frontier in Exploration

R. H. Beck , P. Lehner

AAPG Bulletin

...) with a gentle, regional dip toward the continent. The term "oceanic basement" is used as defined by M. Ewing et al. (top of layer 2, reflector B...

Qualitative Seismic Attribute in Drilling Oil and Gas Development Wells, Kerisi Field, Natuna Sea, Indonesia

Yasril Kahar, Vaughn L. Ball, Sunil K. Shalia

Indonesian Petroleum Association

... structure is a four-way dip closure anticline, containing an oil leg overlain by a gas cap. Rock physics analysis from well data suggests...

Automated Salt Recognition in 2D Seismic and Mapping Basin-Wide Salt in the Gulf of Mexico, #42367 (2019).

Scott Morris, Tony Dupont, Shuang Li, John D. Grace,

Search and Discovery.com

... of low-dip and high-dip reflectors. These measures were evaluated, without interpreter intervention, and combined to estimate salt/non-salt boundaries...

Salsmostratigraphic Analysis and Relative Sea Level Changes in parts of Upper Assam Basin with Special Reference to Paleocane – Eocene Formations

S. Rath, B. Bharali, A. K. Sethi

Southeast Asia Petroleum Exploration Society (SEAPEX)

... the different formations trend NE–SW and dip towards SE. Figure 3. Depth Contour Map on a Reflector Close to Basement Top (Within-Sequence IA) Mikir...

Finite Difference Modelling: Part IV

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

..., and gives very accurate traveltimes and accurate amplitudes for geometric arrivals if the model is sufficiently smooth. It is an irreplaceable modelling...

Stratigraphic Evolution of Blake Outer Ridge

R. G. Markl , G. M. Bryan

AAPG Bulletin

...) the earliest Miocene ridge-initiation phase, ending at the time of reflector Xd or Xc, which was characterized by prograding beds that dip away from...

Geometric and seismic interpretation of the Perdido fold belt: Northwestern deep-water Gulf of Mexico

Rion H. Camerlo, Edward F. Benson

AAPG Bulletin

..., such as the deeper seismic reflector (Figure 4, G), are smoothly concave upward and have a much lower dip than any overlying reflections in the low...

Seismic Stratigraphy of the North Louisiana South Arkansas (NL-SA) Basin

A. Lowrie, N. M. Sullivan, M. A. Fogarty, C. J. Krotzer, J. Carter, I. Lerche

GCAGS Transactions

... reflectors. To the north, the reflector sequence top is readily identifiable. The reflector is intermittent to the south but does maintain a constant dip...

Preliminary Interpretation of Seismic Data from Lower Cook Inlet, Alaska

Michael A. Fisher

Pacific Section of AAPG

.... An additional 300-metre streamer was designed to provide a 3-fold stack with improved reflector resolution in the first 1.5 seconds of data. Six seconds...

Third and Fourth Dimensions in Exploration

John Daly

AAPG Bulletin

... in the previous figure. The mirrors are replaced by a continuous reflector, consisting of two straight segments, joined by a curved surface. The image of the shot...

Magma-Poor and Volcanic Passive Margins — Characterization of the End-Members of Rifted Margins

Search and Discovery.com

The Effects of Seismic Data Conditioning on Pre-Stack Simultaneous Impedance Inversion

Scott W. Singleton

GCAGS Transactions

... removal, and reflector alignment. It then seeks to document the improvements that these processes achieve in the gathers...

Tectonic Deformation of a Lacustrine Mudstone at Soda Lake Geothermal Field Using OpendTect’ Visualization; #120147 (2014)

Tyler Kent and John Louie

Search and Discovery.com

... reflector in this survey, appearing from 0.2 to 0.3 seconds, at an approximate depth of ±240 m (800 ft). The interpreted mudstone reflectors...

Offshore Colombia: Discovering New Value in Legacy Data Using Modern Workflows

Kyle Reuber, Antara Goswami, Darren Judd, Shihong Chi, ION

GEO ExPro Magazine

... of the subsurface. December 2021 23 B) ION Geophysical Corporation Figure 3: a) Legacy dip-line from offshore Colombia at the SCDB and down-going...

Quaternary Development of Channels, Levees, and Lobes on Middle Laurentian Fan

William R. Normark , David J. W. Piper , Dorrik A. V. Stow

AAPG Bulletin

... the Laurentian fan lies above a prominent horizon, the L reflector, that can be traced throughout the area of rise and fan on seismic reflection profiles. Uchupi...

Angle Gathers for Gaussian Beam Depth Migration, #41593 (2015).

Samuel Gray

Search and Discovery.com

... of traveltimes as a function of source-receiver offset above a reflector, is related to the average velocity between the Earth’s surface...

Critical Analysis of Stack Seismic Systems: DISCUSSION

Richard H. Hopkins

AAPG Bulletin

... "stacks" or not. Calculations for the stretch of the CDP for a reflector at 5,000 ft with a dip of 10° show it to be about 200 ft on the subsurface...

Abstract: Extracting Meaningful Information from Seismic Attributes, by S. Chopra and K. J. Marfurt; #90090 (2009).

Search and Discovery.com

Carnarvon Questions Leatherback Interpretation: Junior Explorer, Carnarvon Petroleum Points to Dipmeter Data as Key Element in New Interpretation of 3D Seismic Data

PESA Staff

Petroleum Exploration Society of Australia (PESA)

... was for a fault to have been intersected by the well. W e integrated that b elief as a condition precedent, to put it in legal terms, in the geophysica l...

Prestack Depth Migration for "Easy" Unconventional Plays?, #41056 (2012)

Morgan Brown

Search and Discovery.com

..., reflector dip and/or velocity variation render the conversion of surface offset or surface source/receiver azimuth to true reflection angle ambiguous...

Abstract: Interpretation of the Basement Step – Some Observations and Implications in the Gulf of Mexico, by Steven Barker and Souvik S. Mukherjee; #90124 (2011)

Search and Discovery.com

Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... determines and stores reflector location and associated properties along with each wavelet and its surface location and dip parameters. This stored...

Tying 2-D Seismic Lines in Overthrust Settings, by Rob Vestrum, #41007 (2012).

Search and Discovery.com

Imaging in Complex Environments … Common Reflection Angle Migration

Graham A. Winbow

Indonesian Petroleum Association

... of reflection points on a reflector surface. Figure 5 - Model of uneven illumination showing irregular illumination in dip angle space...