A Dynamic Reflection Traveltime Calculation Method

Y. Wang, D.R. Schmitt

CSPG Special Publications

...A Dynamic Reflection Traveltime Calculation Method Y. Wang, D.R. Schmitt 1994 49 50...

Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data

A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah

Indonesian Petroleum Association

... based on focusing image in migration-based velocity model estimation. All reflection traveltimes stemming from a common reflection point (CRP...

Mapping of Rock Property Changes in Space and Time Using Microseismic Data through Full-Waveform Inversion

Jyoti Behura

Unconventional Resources Technology Conference (URTEC)

... _!_) = D(Ss-Sp), (1) where ts and tp are the picked S- and P-wave traveltimes at a station, D is the distance between the station...

Seismic Modeling of Acid-Gas Injection in a Deep Saline Reservoir

Search and Discovery.com

... is studied of non-aqueous acid gas injection into a saline dolostone reservoir. The feasibility of monitoring is judged by the sensitivity of traveltimes...

Abstract: Complex-beam Migration: Non-recursive and Recursive Implementations; #90187 (2014)

Tianfei Zhu

Search and Discovery.com

... of the Seismological Society of America, 72, S277-S317. Gray, S. H., and May, W.P., 1994, Kirchhoff migration using eikonal equation traveltimes...

Abstracts: Near-surface Velocity Model Building and Statics in Permafrost Regions; #90173 (2015)

Tianfei Zhu, Yan Yan, and Jon Downton

Search and Discovery.com

... features incorporated in our implementation of this technique (Zhu et al., 2000). The traveltimes and ray-paths of first arrivals are calculated...

Abstract: Simultaneous P-P and P-S Waveform Inversion Algorithm Using Pre-Stack Time Imaging Method ; #90187 (2014)

Hassan Khaniani, John C. Bancroft, and Eric von Lunen

Search and Discovery.com

... and corresponding forward modeling can be used in the FWI procedure. Our effort is to reduce the computational costs associated with gradient calculation...

Analysis of Sonic Well Logs Applied to Erosion Estimates in the Bighorn Basin, Wyoming

Henry P. Heasler , Natalya A. Kharitonova

AAPG Bulletin

... that fail at large depth intervals. The improved model is applied to the Bighorn basin of northwestern Wyoming for calculation of erosion amounts...

Mapping Rock-Property Changes and Fluid Migration Due to Hydraulic Fracturing

Jyoti Behura

Unconventional Resources Technology Conference (URTEC)

... traveltimes at a station, D is the distance between the station and the hypocenter, VS and VP are the S- and P-wave velocities and SS and SP...

Appendix A

Jack C. Threet

AAPG Special Volumes

...Appendix A Jack C. Threet 1994 639 639 M 60: The Petroleum System--From Source to Trap Petroleum System Calculation Sheet Table End_of_Record...

Relating Microseismicity to Geomechanical Strain

Adam M. Baig, Ben Witten, Aaron Booterbaugh

Unconventional Resources Technology Conference (URTEC)

... calculation. Explicitly, we assume ζ is constant across the seismogenic volume for a dataset with a completeness magnitude imposed, which is admittedly...

Influence of Lithology and Neogene Uplift on Seismic Velocities in Denmark: Implications for Depth Conversion of Maps

Peter Japsen

AAPG Bulletin

... indicative of the velocity gradient for varying depth of burial for the whole layer. If we want to convert traveltimes to depths, we have to solve...

Implementation of the DIPSCAN Method to Estimate Boundary Dips in Complicated Structures by VSP Data

A. A. Tabakov, V.N.Ferentsi, H. Gravini

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... in the points of well trajectory intersection, and first arrival traveltimes of direct incident wave are known. For an estimation of subsurface...

The development of seismic reflection sandbox modeling

Donald H. Sherlock, Brian J. Evans

AAPG Bulletin

... reflections from the data because the source and water depth were designed such that all multiples would arrive at traveltimes later than the primary...

Data selection for velocity model estimation using a circular shot OBN survey

Felipe T. Costa, Sergio L. E. F. da Silva, Ammir A. Karsou, Felipe Capuzzo, Roger M. Moreira, Jorge Lopez, Marco Cetale

International Meeting for Applied Geoscience and Energy (IMAGE)

..., (Lailly, 1983). The gradient calculation preconditioned by source illumination (Kaelin and Guitton, 2006; Costa et al., 2023) can be expressed...

AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction

David W. Bell

AAPG Special Volumes

... geophysical applications because traveltimes and travel paths are easier to calculate as a function of offset.) Effect of the Water Column Variations from...

Three-Dimensional Seismic-Reflection Techniques

Hermann Buchholtz

Circum Pacific Council Publications

.... Two main points have been considered: the calculation of traveltime shifts and the splitting of the time differences into shot and geophone corrections...

Flow Simulation of Complex Fracture Systems With Unstructured Grids Using the Fast Marching Method

Changdong Yang, Xu Xue, Michael J. King, Akhil Datta-Gupta

Unconventional Resources Technology Conference (URTEC)

... near the fractures, provides more accurate calculation of the travel time (i.e. diffusive time of flight, DToF) and the transient drainage volume...

ABSTRACT: Three-Dimensional Calculation and Visualization of Fault Gauge Ratio, by K. Hoffman and J. Neave; #90908 (2000)

Search and Discovery.com

Overview of a CO2 sequestration field test in the West Pearl Queen reservoir, New Mexico

Rajesh J. Pawar, Norm R. Warpinski, John C. Lorenz, Robert D. Benson, Reid B. Grigg, Bruce A. Stubbs, Philip H. Stauffer, James L. Krumhansl, Scott P. Cooper, Robert K. Svec

Environmental Geosciences (DEG)

... of the reservoir, calculation of expected CO2 injection and migration behavior, acquisition of baseline geophysical surveys, preparation of the injection...

The Sensitivity of Water Saturation Calculation and Modelling to the Uncertainties of the Petrophysical Inputs

Search and Discovery.com

Enhancing Fault Interpretation Through Broadband Processing and Diffraction Imaging: The First and Successful Experience from Madura Offshore Area

Pongga Wardaya, Rino Saputra, Syaeful Amin

Indonesian Petroleum Association

... that can help to identify the edges or linear features in seismic volume. It may also be characterized as a local finite difference calculation...

Machine Calculation of Migration Data

E. Usdin

Oklahoma City Geological Society

...Machine Calculation of Migration Data E. Usdin 1958 310 310 The Southwestern Computing Service, Tulsa, Oklahoma, makes migration calculations...

ABSTRACT Impact on Faults and Across Fault Flow on Reserves Calculation, #90104 (2010)

Mainster Merrick; Murray Titus; Christie Greg

Search and Discovery.com

...ABSTRACT Impact on Faults and Across Fault Flow on Reserves Calculation, #90104 (2010) Mainster Merrick; Murray Titus; Christie Greg Impact on Faults...

Chapter 14: Gravity, Seismic Reflection, and Tomographic Constraints on the Subduction-to-Strike-Slip Transition at the Southeastern Caribbean Plate Boundary Zone

Tricia G. Alvarez, Paul Mann, Carlos A. Vargas, Lesli J. Wood

AAPG Special Volumes

.... Buland, 1995, Constraints on seismic velocities in the Earth from traveltimes: Geophysical Journal International, v. 122, p. 108–124. Koulakov, I...