Abstract: Noise and its Effect on Microseismic Event Locations; #90174 (2014)

Neda Boroumand and Henry Bland

Search and Discovery.com

...) after arrival time picks were quality controlled.. Next we add various amounts of noise to the raw data and re-pick and re-locate the microseisms. Figure...

Seismic Detection of Upper Dakota Sandstones on the Moxa Arch, Green River Basin, Wyoming, Using Amplitude Versus Offset Data

C. Dean Lausten

Wyoming Geological Association

... the offset modeled and seismic data is extremely subtle. Since small stacking velocity errors could alter the signature considerably, the full stack...

Forward Modeling to Improve Seismic Acquisition Design

Paula A.C. Barbosa, Jose A. Jaramillo, Jose H. Olaya

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... shot gathers were Normal Move Out (NMO) corrected and stacked; and section B was pre-stack time migrated. To validate the model used, we correlated...

Production Modeling for Velocity String Applications in Unconventional Wells

Suat Bagci, Tina Chang

Unconventional Resources Technology Conference (URTEC)

.... The effect of velocity string size and length on the performances of ESP and gas lift installed wells were studied. Gas slugging behavior was reduced...

Gulf Coast Structural Geology

R.O. Kehle

New Orleans Geological Society

.... The effect of stretch faults on oil accumulation is minor. Rarely does it appear that these faults prohibit migration which proceeds before...

Three-Dimensional Seismic Analysis in the Characterization of a Giant Carbonate Field, Onshore Abu Dhabi, United Arab Emirates

Peter Melville, Omar Al Jeelani, Saeed Al Menhali, Jürgen Grötsch

AAPG Special Volumes

..., with the effect that on the crest the primary reflectors are now better imaged and can be mapped. Horizons from the AAMO data are displayed on the NMO...

Seismic Activity in the Central Gulf Coast Basin

Eugene R. Brumbaugh

New Orleans Geological Society

... multiple energy is traveling at a slower velocity than deeper real primary reflections, recording and stacking longer detector distances using real...

Gravity's Role in a Modern Exploration Program

Gene Greene

Houston Geological Society Bulletin

... the existence of, or take the time and effort to use gravity data already in their files, or readily available for purchase. Most prospects can...

A Simple Guide to Seismic Amplitudes and Detuning

Ashley Francis

GEO ExPro Magazine

... of Connolly (2007). (e) shows a net sand map, obtained by multiplying N:G from (d) by the time thickness of (a) and also by the sand velocity to obtain a net...

The impact of estimated temporal and spatial variability of water layer velocity on the correction of OBS data

Peter Scholtz, Truong Nguyen, Arash Jafar Gandomi

International Meeting for Applied Geoscience and Energy (IMAGE)

... the velocity profile, 𝑉(𝑧 𝑖) = 𝑎𝑧 𝑖2 + 𝑏𝑧 𝑖 + 𝑐, with constrains for minimum and maximum velocities which stabilize the inversion for time...

Seismic Acquisition in the Papuan Fold Belt: A New Approach

G. S. Hill, S. J. Price, M. S. Foster, R. W. Stephenson, D. Ellis, J. A. Lyslo

Papua New Guinea (PNG) Petroleum Convention Proceedings

... Residual statics (1) Noise attenuation (CDP/Ofi'set/Time matrix filter) NMO (velocity analysis every 1km) Outer trace mute (max. offset retained 18(X)m...

True-Azimuth 3D Surface-Related Multiple Elimination

Roald van Borselen, Rob Hegge, Peter Aaron, Simon Barnes, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... data reconstruct ion, and relying more on to being 1D applications, e.g. tau-p sou rce and receiver locations are honoured in differential NMO...

ABSTRACT: Improved Seismic Imaging Methods for More Accurate Interpretation and Attributes, by Peter Whiting, Carl Notfors, and Geoff Mansfield; #90913(2000).

Search and Discovery.com

Seismic Characterization of the Navajo Reservoir, Buzzards Bench, Utah; #51503 (2018)

Kimberley Haar, Robert Balch, Robert Will

Search and Discovery.com

..., H. Leetaru, R. Will, and M. Coueslan, 2014, The Evolution and Effect of the Velocity Model on Various Aspects of Surfaces Seismic Data Analysis...

Combined Diving Wave Refraction Tomography and Reflection Tomography for PSDM Velocity Model Building (Bekapai Field, Indonesia)

Andi Kusuma, Florent Bertini, Jacques Bonnafe, Artem Sazykin, Swee Leng Ng

Indonesian Petroleum Association

.... To complete the model for depths greater than 400 meters, the available pre-stack time migration velocity field was combined to the shallow velocity model...

The Wave Equation Applied to Migration

D. Loewenthal, L. Lu, R. Roberson, J. Sherwood

Southeast Asia Petroleum Exploration Society (SEAPEX)

... initiated at time zero at the diffractor, with the strength of the diffractor, provided that the velocity c(x, τ) in the medium is halved. The CDP stack...

Velocity Logging and Its Geological and Geophysical Applications

H. R. Breck, S. W. Schoellhorn, R. B. Baum

AAPG Bulletin

... of the travel Fig. 4. Pictorial diagram of continuous velocity logger. End_Page 1670------------------------------ time (ti) of the sound wave through...

Evolution of an Allochthonous Salt System, Southern Mars-Ursa Minibasin, Northern Gulf of Mexico

Angela Pell, Jeffrey A. Nunn

GCAGS Transactions

.... Fault plane maps were generated to evaluate fault picks. Time slices were incorporated into the analysis and were useful for identifying fault trends...

Depth Prediction Ahead of the Bit: A Case Study from the Singa-1 Discovery Well, South Sumatra

Mark Crawley, David Ginger

Indonesian Petroleum Association

... the deepest well to have been drilled in the South Palembang Sub-basin. Analysis of the seismic stacking velocities indicated the presence of a velocity...

Improving the image below complex overburden geology with FWI and Q-tomography: A case study at Etame license area, offshore Gabon

Richard Huang, Chong Chung, Benjamin Cole, Ivan Berranger, Ika Novianti, Paul Ware

International Meeting for Applied Geoscience and Energy (IMAGE)

... not see the fast velocity refraction as a separate event from the direct arrival (Figure 3b, red line indicates direct arrival time). This tuning effect...

ABSTRACT Adventures in Pre-Stack Depth Migration, #90104 (2010)

Allen James

Search and Discovery.com

... reflectivity in the fault shadow is poor. Consequently,  using the best pre‐stack time imaging available is suggested.     3.) The choice of PSDM method...

S/N RATIO AND BANDWIDTH CONSIDERATIONS WHEN UTILIZING SEISMIC DATA IN EXPLORING FOR SUBTLE TRAPS - EXAMPLES FROM THE KNOX PLAY

Edward R. Tegland, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO Patrick H. Bygott, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO

Ohio Geological Society

... Hale,D., 1984, Dip Moveout by Fourier Transform (Stacking NMO): Geophysics, v. 49, p. 741-757. Sheriff, R. E., 1968...

Abstract: Elastodynamic FWI Efficiency Study With Partial Stacking in 2D; #90224 (2015)

Vladimir N. Zubov, Gary F. Margrave, and Michael P. Lamoureux

Search and Discovery.com

...Abstract: Elastodynamic FWI Efficiency Study With Partial Stacking in 2D; #90224 (2015) Vladimir N. Zubov, Gary F. Margrave, and Michael P. Lamoureux...

Abstract: A Seismic Workstation Solution to Bakken AVO; #90174 (2014)

D. Meisinger and N. H. Kalmanovitch

Search and Discovery.com

... is not useable. Stacked seismic traces contain many components that are not present in synthetic traces such as variable amounts of NMO stretch...

First Breaks Picking: a Key Element to Improve Seismic Imaging through Full-Waveform Inversion on Land Data

Search and Discovery.com