Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data

Paul L. Stoffa

Circum Pacific Council Publications

... to the time differences in msecs between the best fit hyperbolae and the actual traveltimes (after Stoffa et al., 1982). If interval velocities are derived...

An Analysis of the Observed Time Discrepancies Between Continuous and Conventional Well Velocity Surveys

P. E. F. Gretener

CSPG Bulletin

... somewhat further. For this purpose the data have been studied according to average interval velocities. Figure 15. Histogram of the time discrepancies...

Offshore Structure and Stratigraphy of New Ireland Basin in Northern Papua New Guinea

M. S. Marlow, N. F. Exon, H. F. Ryan, S. V. Dadisman

Circum Pacific Council Publications

... and Tiffin (1984) and Exon et al. (1986), the C-D sequence has an interval veloc­ ity of 3,600 m/s based on stacking velocities from multichannel...

A Comparison of Core and Crosswell Seismic Data from a Carbonate Reservoir

K.E. Tucker and P.M. Harris

Search and Discovery.com

...), and the main pay interval has an approximately 80-A (24 m) gross reservoir thickness. A broad spectrum o f deposits ranging from sh~oreline ad inner...

Complementary Role of Multi-Component and Conventional 3D Seismic for Risk Reduction in Unconventional Resource Plays … A Marcellus Shale Example

Tony Rebec, Zhiyong Zhao

Unconventional Resources Technology Conference (URTEC)

... to the attributes derived from elastic inversion. The inversion results are used to calculate geomechanical and rock properties of the Marcellus interval...

Field Technique Design for Seismic Reflection Exploration

L. R. Denham

Dallas Geological Society

... be described by specifying twelve factors: far-trace offset, near-trace offset, group interval, charge size, charge depth, multiplicity, sample rate, low-cut...

Fracture Identification and Evaluation Using S Waves, by Bob Hardage, #40792 (2011).

Search and Discovery.com

Estimating CO2 Saturation in Subsurface Geologic Reservoirs Using Pre-stack Seismic Attributes and Machine Learning

Papa Owusu, Rui Zhang

Carbon Capture, Utilization and Storage (CCUS)

...) modeling, and field data inference. Baseline well-log data measuring porosity, bulk density, and P-wave and S-wave velocities were sampled...

ABSTRACT: Anisotropic PP and PSv Prestack Depth Migration of 4C _OBC_ Seismic Data, Pamberi, Offshore Trinidad

Tony Johns, Carmen Vito and Raul Sarmiento

Geological Society of Trinidad & Tobago

... a qualitative correlation between derived parameters and attributes from P and Sv anisotropic migration velocities and known regional geology...

Refraction Profiles Over the Southern Rocky Mountain Trench Area of British Columbia

A. T. Lamb, D. W. Smith

CSPG Bulletin

... of the Trench indicated an initial velocity of 11,000 feet/sec. breaking over to an average interval velocity of about 18,000 feet/sec. at a distance...

Shell Accumulations in Underwater Sediments and Their Relation to the Thickness of the Traction Zone

Maurice C. Powers, Blair Kinsman

Journal of Sedimentary Research (SEPM)

.... In 70 feet of water it would produce horizontal current velocities of more than 0.3 foot per second. These currents are cyclic ranging from zero...

3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Seismic Profile: North Fork Area, Powder River Basin, Wyoming

D. S. Stone

AAPG Special Volumes

... data except that the group interval on Line 1A was shortened to 110 ft (33.5 m) from 220 ft (67 m) on the older Line 1. It will be noted also...

Long-Offset Approximations to NMO Function for a Layered Subsurface

E. Blias

Search and Discovery.com

... by Bolshih (1956): t ( x) a 0  a1 x 2  a 2 x 4  a 3 x 6  ... (A) He gave formulas for the first four coefficients ak in terms of interval velocities...

ABSTRACT: Influence of the Finer Material Portion in Physical Simulation of Density Currents; #90013 (2003)

RICHARD EDUARD DUCKER, MARCELO DEVENUTTE AVILA, ROGERIO DORNELLES MAESTRI, ANA LUIZA DE OLIVEIRA BORGES

Search and Discovery.com

.... The elapsed time was measured, using electronic devices, as the current passed through each interval. This data was used to velocity determination...

Long-Offset Approximations to NMO Function for a Layered Subsurface

E. Blias

Search and Discovery.com

... by Bolshih (1956): t ( x) a 0  a1 x 2  a 2 x 4  a 3 x 6  ... (A) He gave formulas for the first four coefficients ak in terms of interval velocities...

Hydrodynamic Interpretation of High Energy Wave-dominated Shoreface Successions, Cretaceous Mount Garfield/Illes Formation, Colorado; #50378 (2011)

Jesse Thompson and Diane Kamola

Search and Discovery.com

... strata. A well developed middle shoreface interval within this parasequence indicates this shoreline was a barred shoreface, and that this bar...

Results of a Preliminary Test Investigation on the Applicability of Passive Seismic Tomography in VC Block - Assam, India; #41070 (2012)

Rohit Sinha, Nikos Martakis, Akis Tselentis, and Paris Paraskevopoulos

Search and Discovery.com

..., resulting in a drastic increase of the resolution and assessment of the correct velocities, which in the present preliminary survey are overestimated due...

Determining Brittleness from Seismic Data; #41725 (2015)

Satinder Chopra, Ritesh Kumar Sharma

Search and Discovery.com

.... The Young’s Modulus and Poisson’s Ratio computed from these velocities and density are referred to as dynamic moduli. Such dynamic computations could...

Influence of Porosity and Facies of Baturaja Carbonate to the Seismic Wave Velocity: Case Study of Tambun Field West Java

Jarot Setyowiyoto, Bagus Endar B. Nurhandoko, Ariffin Samsuri, Bambang Widjanarko, Thurisina

Indonesian Petroleum Association

... analysis, SEM image, detail core description, well logging data analysis and laboratory experimental of seismic wave velocities measurements...

The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)

Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,

Search and Discovery.com

... with special processing efforts can be of great help to build a Near Surface Model. Deep upholes may assist in calibration of velocities and thickness...

2D Survey Earth Model Building and Depth Imaging Using 3D Grid-Based Tomography Technology

Eric Pearson, Suyang Chen

Indonesian Petroleum Association

... migration. All 2D lines’ time domain interval velocities picked from pre-stack time migration gathers were merged and carefully edited and smoothed...

Induced AVO Anomalies from Pore Pressure Effects

A.C. Buginga Ramos, M.A. Santiago Toledo

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... basins pore pressure largely controls the changes in seismic velocities. Disequilibrium compaction of shale use to be the primary cause of abnormal pore...

The Thousand Dollar Prospect, Rich County, Utah, A Case History

Valen D. Ott, Kenneth R. Kreckel

Rocky Mountain Association of Geologists

... became clearer. 2) Tilted (linear) processing datum - to minimize the rapidly varying near surface velocities. 3) Muting - precise...

Seismic Imaging in Anisotropic Media. or... "A Better Way to Moveout and Migrate Long Offset Data"

Rolf Klotz, Martin Bayly, Sue Downie, Swee Leng

Indonesian Petroleum Association

... Vol. 51 No 10, p 1954-1966. Seismic velocities within the earth generally vary according to the direction of propagation thereby defining the earth...

Grain-Size Trends Used to Assess the Effective Discharge for Floodplain Sedimentation, River Waal, The Netherlands

Nathalie E.M. Asselman

Journal of Sedimentary Research (SEPM)

... of the sediment was deposited. Hence, the flood stage that produces this flow pattern can be regarded as the most effective interval for sedimentation...