Abstract: Determination of Depth Models Through Self-Consistent Structural Modeling to Help Delineate Hydrocarbon Traps, by A. K. Benson; #90993 (1993).

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Interpretation Methods in the Exploration of Oligocene-Miocene Carbonate Reservoirs, Offshore Northwest Madura, Indonesia

David C. Carter, Dwi Mandhiri, Robert K. Park, Imron Asjhari, Syaiful Basyuni, Sergey Birdus, John P. Bradfield, Ary Iriawan, Meutia Nasfiah, M.A. Agung Nugroho

Indonesian Petroleum Association

... not contain the interpreted buildup morphology. (iv) Travel time variations of ray paths within a CMP, caused by both vertical and lateral velocity...

Spherical Wave Model Tests of VSP-Based Q-Estimation Techniques

Search and Discovery.com

... disappears with increasing depth. Figure 2 shows log magnitude spectra as generated with Equation (1) for depths from 15m to 61m. The zero-phase (non-causal...

Ultrasonic velocity tomography of rock sample

Tian Xie, Jiajia Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... be approximately characterized as a ray, and their propagation time T in rocks can be expressed as the integral of the slowness s (reciprocal of velocity v) along...

Compositional Analysis of Lithologies from Wireline Logs: Chapter 3

John H. Doveton

AAPG Special Volumes

..., and L is a vector of the log responses of the zone to be evaluated. This equation specifies a linear model that describes the link between log...

Estimation of Hydraulic Fracture Height and Pressure Deflation Using a Pulsed Vertical Seismic Profile and a DAS Fiber in the Midland Basin

Robert Meek, Robert Hull, Kevin Woller, Brian Wright, Mike Martin, Hector Bello, James Bailey

Unconventional Resources Technology Conference (URTEC)

... that the direct arrival passed through a single stage in one of the horizontal wells. We estimated the height of the p-wave velocity change due...

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)

... settings, such as thrust faults and velocity inversions. In many cases little or not borehole information is available at target depth, so...

Analysis of Geophysical Well Logs from the Mariano Lake-Lake Valley Drilling Project, San Juan Basin, Northwestern New Mexico

James H. Scott

AAPG Special Volumes

... computed from the sonic velocity log by use of the time-average formula (Wyllie, Gregory, and Gardner, 1958). This formula is: [EQUATION] where Vm...

Towards understanding the impact of the evanescent elastodynamic mode coupling in Marchenko equation-based demultiple methods

Marcin Dukalski, Christian Reinicke, Kees Wapenaar

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the ray-parameter p and inverting the extrapolation operator wj . Naturally P[P[X]] = X holds. Path reversal introduced in equation 13...

The Commercial Application and Interpretation of the Borehole Gravimeter

James W. Bradley

Pacific Section of AAPG

... of this slab is called the Bouguer Gravity and it’s equation is Gb - = 0.01276 σt, σ being the density, and t being the thickness of the lithology...

Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... iterations of tomographic velocity updating. Results from the Beam migration are proving to be superior to Kirchhoff and wave equation results...

Wave Modeling and Hydrodynamics

J. Ian Collins

Special Publications of SEPM

... is ware namely gT2 L Mathematically continuity 72 I boundary condition w function of depth and period follows 4 T the problem of linear wave...

Seismic Imaging of the SW South China Sea Deep Crustal Structure Shows Evidence for a Ductile Lower Crust during Rifting; #30404 (2015)

M. Delescluse, T. Pichot, N. Chamot-Rooke, M. Pubellier, Y. Qiu, G. Sun, J. Wang, J.-L. Auxiètre

Search and Discovery.com

... Linear velocity gradient Moho depth (defined by Bouguer gravity inversion ) (Pichot et al., 2014, MPG) RESULTS Modeling: joint reflection...

The Influence of Disaggregation Methods on X-ray Diffraction of Clay Minerals

Scott L. Huang

Journal of Sedimentary Research (SEPM)

... diagrams showing a linear relationship between the relative x-ray peak intensity and disaggregation time are presented to allow selection of the most ap...

Estimation of Migration Velocity by Forward Modelling of Old Seismic Stacks

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The plug drum effect, or why your microseismic events may not be where you think they are

Guillaume Bergery, Zhishuai Zhang, Jing Du, D. Diller, T. Shuck, B. Fish

Unconventional Resources Technology Conference (URTEC)

... assumption of the unknown event is due to the reflection from the lower high velocity layer around -2300 m. Figure 6: Ray tracing arrival times...

Seismic imaging uncertainty using deep learning predicted Greens functions

Han Liu, Anar Yusifov, Muhong Zhou, Linda Hodgson

International Meeting for Applied Geoscience and Energy (IMAGE)

... generate the guide images using time to depth conversion of the receiver data through velocity model. The guide image for both source and receiver...

Elastic Multi-parameter FWI Imaging – a North West Shelf undeveloped gas field case study

Fabio Mancini

Southeast Asia Petroleum Exploration Society (SEAPEX)

... be separated. The method used here employs an augmented acoustic wave equation to simultaneously estimate velocity and reflectivity. Tomographic...

Forward Modeling of Seismic Data: Part 7. Geophysical Methods

George Mellman, Paul A. Kunzinger

AAPG Special Volumes

..., again with approximations, but with significant time savings. There are two classes of seismic modeling: ray tracing and wave equation methods...

Quantitative analysis of DAS recorded P-wave generated by perforation shots

Peiyao Li, Ge Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

... depth of phase velocity measurement is denoted as the horizontal axis in Figure 4. Result The analysis results of all stages are summarized in Figure 4...

Abstract: Beam Migration of Canadian Foothills Datasets; #90171 (2013)

Tianfei Zhu, Terrence Krishnasamy, and Daniel Trad

Search and Discovery.com

..., Canada Summary We have developed a beam method for shot-domain prestack depth migration. Based on a complex-ray Maslov formulation, this method overcomes...

Velocity model building from 3D surface seismic data at the Utah FORGE EGS site

Yun-Ha Jung, Nori Nakata, Sea-Eun Park, Ju-Won Oh

International Meeting for Applied Geoscience and Energy (IMAGE)

... the inverted velocity model with available well-log data, we observe distinct three depth zones, unconsolidated alluvium, consolidated alluvium...

Magnitude, mechanisms, and prediction of abnormal pore pressure using well data in the Krishna–Godavari Basin, east coast of India

Sumangal Dasgupta, Rima Chatterjee, and Sarada Prasad Mohanty

AAPG Bulletin

.... The equation obtained from the linear-regression equation of the crossplot can be written asThe equation 3 can be rewritten asComparing equations 4 and 5, we...

Fit-for-Purpose Log Conditioning as Applied on the F-A Gas Field in the Bredasdorp Basin, Offshore South Africa; #42339 (2019)

Abdullah Jawoodien

Search and Discovery.com

... Explorer, Geophysical Corner, February 2002, p. 26-27, 29. Website accessed December 2018. Faust, L.Y., 1951, Seismic Velocity as a Function of Depth...

2D Pre-Stack Depth Migration : Application to Inverted Grabens

C. Bunks, P. L. Pichon, L. Ben Brahim, Sekar Sakti

Indonesian Petroleum Association

... an in house 2D pre-stack depth migration and velocity analysis program called MIGPACK. MIGPACK performs finite-difference migration in the source geophone...