An Interpreters Guide to Successful Prestack Depth Imaging; #41544 (2015)

Rob A. Holt

Search and Discovery.com

... communication, timely sharing of information, a suitable velocity and anisotropy strategy, and proactive Quality Check (QC). The success of the project can...

Bigger is Better … Hydraulic Fracturing in the Williams Fork Formation in the Piceance Basin

Leen Weijers, Yusuf Kama, Julie Shemeta, Stephen Cumella

Search and Discovery.com

... rates, microseismic-moment magnitudes, stacking of tools (Shemeta et al., 2009). For this simultaneous operations project, hearing distances...

Seismic Anisotropy Modeling from Well Log in Talang Akar Formation, South Sumatra, Indonesia; #41360 (2014)

Thariq Guntoro, Intan Andriani Putri1, and Dwa Desa Warnana

Search and Discovery.com

..., 1980, Quantitative seismology: Theory and methods: W.H. Freeman and Co., 700 p. Alkhalifah, T., 1997, Velocity analysis using nonhyperbolic moveout...

First-Arrival Traveltime Inversion in the CMP Domain: Method and Application

Search and Discovery.com

..., A., and Osypov, K., 1999, Unconstrained near-surface velocity inversion of linear moveout velocities and its impact on structure mapping: 69th Ann. Internat...

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

Samuel Gray

Search and Discovery.com

... velocity estimation based on moveout on CIG’s indexed by offset can be simple or complicated. Its simplest form is trial-and-error based on the knowledge...

Elastic Anisotropy of Shales ƒ Revisited; #41557 (2015)

Marina Pervukhina, Patrick N. J. Rasolofosaon

Search and Discovery.com

...) velocity for propagation in the horizontal direction. The third parameter , that is to say the P‐wave moveout parameter, is roughly equal to the relative...

Chapter Five: Reservoir Identification

Alistair R. Brown

AAPG Special Volumes

... offsets to improve signal-to-noise ratio. Common-depth-point gathers corrected for normal moveout but without any stacking are shown in Figure 5-48...

The Role of Regional Seismic Surveys in the Exploration of the North West Shelf

J. Ostby, C. Johnston

Petroleum Exploration Society of Australia (PESA)

... velocity stacking (Hampson, 1986; Russell et al., 1990) where reflection or primary events and/or multiples are w WATER BOTTOM Figure 2: Multiple...

Abstract: Interferometric Assessment of Clamping Quality of Borehole Geophones; #90224 (2015)

Yoones Vaezi and Mirko van der Baan

Search and Discovery.com

... filter with corner frequencies of [1 5 10 15] Hz. The best-fit line corresponds to a moveout velocity of nearly 6200 m/s which is in agreement with the P...

Geophysical Characterization of Lithology--Application to Subtle Traps

Carl H. Savit, Changsheng Wu

AAPG Special Volumes

... surveys or the geometric analysis of reflection times (the classic normal-moveout-velocity analysis). Results of such calculations of sound velocity...

Application of Full Waveform Inversion to Resolve an Eroded Shallow Carbonate Platform, North Madura, East Java, Indonesia

David Cavalin, Nurrul Ismail, Tom Paten, Kola Agbebi, Dave Lim

Indonesian Petroleum Association

... the VMB exercise, FWI updates captured the velocity required for the imaging process to reduce significantly the moveout seen on the gathers...

Dilworth (Carrizo) Field , McMullen County, Texas

Redge L. Greenberg and T. W. Swinbank

GCAGS Transactions

... and contracted for a 3-D seismic survey in the summer of 1994. 3-D SEISMIC SURVEY The 3-D survey was originally designed to optimize resolution versus cost...

Abstract: Nisku Multiple Attenuation with Interpolation and Sparsity: A Case Study; #90172 (2014)

Lee Hunt, Scott Reynolds, Mark Hadley, Scott Hadley, Mike Perz, Ye Zheng

Search and Discovery.com

.... Hampson, D., 1986, Inverse velocity stacking for multiple elimination Canadian Journal of Exploration Geophysicists, 22, 44. Hunt, L. H., Hadley...

Combining PSDM and Seismic Modeling to Reduce Uncertainties in Time Structural Interpretation

William Agudelo, José Fernando Gamboa, Saúl Guevara, Carlos Piedrahita, Luis Ernesto Rojas, Martín Morales, Héctor Alfonso

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... Migration (PSTM) was performed in each 2D line. This process allows to build a RMS velocity field. Residual moveout (RMO) can be corrected in vertical...

A New Method of Multiple Attenuation: Multiple Identification and Subtraction

Search and Discovery.com

... is two-way traveltime at offset x and 0 respectively, x is offset, and v is velocity. Data Examples In first synthetic data example (model...

Unlocking Value from Vintage Seismic Processing - Pre-stack Conditioning and Inversion in the Eagle Ford Shale

Andrew Munoz, Bill Shea

Unconventional Resources Technology Conference (URTEC)

... anisotropic assumptions are used when estimating moveout velocities, and since the 2012 processing did not use an anisotropic velocity model...

Exploration of the North Seribu Area, Northwest Java Sea

Roberto Fainstein

Indonesian Petroleum Association

... at different times, misties due to velocity stacking and wavelet processing inconsistencies were carried through and complicated the seismic interpretation...

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...

Experience with Seismic Lithology (AVO) in Central Sumatra

Jeff Wright, Isdjulaedi Bakri, Budi Subiyanto

Indonesian Petroleum Association

... the effect of varying fluid content in the rock on its' velocity and density and graphs the changes in reflection coefficient as a function of angle...

SEISMIC REFLECTION SURVEYING FOR OIL AND GAS FIELDS IN NORTH CENTRAL TEXAS

TED COUGHRAN

Fort Worth Geological Society

... point stacking sequence. The 7-fold gather in the center has been moveout corrected, fine-tune static corrected, and filtered. All seven traces were...

Extended Abstract: High Resolution Surface-Sourced Seismic Experiment to Image Wilcox Group Horizons in Northern Central Louisiana

Gary L. Kinsland, Robert Stewart, Li Chang, Doug Temple, Mark King

GCAGS Transactions

... plot in velocity (500–3000 m/sec)/time (0–1.5 sec) space illustrating several strong reflectors throughout the record and their stacking velocities, (2...

Unconventional Play Fracture Characterization Through Orthorhombic Depth Model Building

Guy Hilburn, Amit Pendharkar, William Keller, René Mott, Jorge Peinado, Austin Jumper, Victor Kriechbaum

Unconventional Resources Technology Conference (URTEC)

... velocity anisotropy can be seen in full azimuth seismic datasets as differential azimuthal moveout in image gathers. The typical seismic industry...

Advanced Reprocessing and Imaging: Enhancing Legacy Surveys

Dominic Fell, Shane Westlake, Richard Patenall, Jennifer Badry

Petroleum Exploration Society of Australia (PESA)

..., due to the limited moveout Figure 3 Residual well velocity correction shown at a well location (left) and as a difference exhibited by the events...

What is Horizontal Resolution?

L. R. Denham, R. E. Sheriff

Indonesian Petroleum Association

.... BLACKBURN, G., 1980, Errors in stacking velocity – true velocity conversion over complex situations: Geophysics v. 45 pp. 1405-1488. GARDNER, G.H.F....

High-resolution angle gather tomography with Fourier neural operators

Sean Crawley, Guanghui Huang, Ramzi Djebbi, Jaime Ramos, Nizar Chemingui

International Meeting for Applied Geoscience and Energy (IMAGE)

... Summary Velocity model building (VMB) is among the most important problems is exploration geophysics, and it remains a challenge in many areas...