Use of Seismic Surveying with the Method of Regulated Directional Reception in Exploration for Reefs in the Southern Cis-Urals

F. I. Khat’yanov, Ya. I. Shul’ts, V. V. Kuryayeva

Petroleum Geology: A Digest of Russian Literature

... of the change of the correction (Δ Hkg) in the value of the reflecting horizons C1 and C2 due to horizontal zonality of velocity of elastic waves...

High-End Model Building Techniques for Revealing a Pre-Carbonate Reservoir Offshore East Natuna Basin, Indonesia

Jun Wang, Yonghe Guo, Yitao Chen, Muhammad Nauvall Juliansyah, Nick Crabtree

Indonesian Petroleum Association

... to be a challenging area for seismic imaging due to the presence of velocity heterogeneity in a more than 1.5 km thick carbonate overburden. An accurate...

Effect of near offset seismic data in shallow subsurface modeling using full-waveform inversion

Md Iftekhar Alam, Salman Abbasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... demonstrates the effect on the velocity gradient in shallow subsurface modeling using FWI. The overarching goal of these experiments was to understand...

Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

...Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data Harmita...

Abstract: Q Estimation by a Match-filter Method; #90174 (2014)

Peng Cheng and Gary F. Margrave

Search and Discovery.com

... the change in the spectra of reflections. The spectrum of the reflected wave is subjected to the tuning effect (Sheriff and Geldart, 1995) of local thin...

Unlocking subsurface complexity: Sparse ocean-bottom node and full-waveform inversion for northern Green Canyon, Gulf of Mexico

Kate Glaccum, Denes Vigh, Yao Yu, Eray Kocel, Bing Bai, Di Chen, Hongyan Li, Kevin Lyons

International Meeting for Applied Geoscience and Energy (IMAGE)

... the traveltime measurement is that in practice we usually start with a relatively simpler velocity model when we aim to build overall better kinematics...

Resolution limits of fluid overpressures from mineralogy, porosity, and sonic velocity variations in North Sea mudrocks

Christian Hermanrud, and Oddgeir Undertun

AAPG Bulletin

... centimeter) and interval traveltime (which is the inverse of velocity, in microseconds per foot) values were computed for the intervals in which mineralogy...

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

... 1500 fatalities (Feuillet et al., 2011). Earthquake Tomography Methods We use earthquake data to generate traveltime (P-wave velocity) and coda...

Delineation of Jonah field Using Seismic and Sonic Velocity Interpretations

Ronald C. Surdam, John Robinson, Zun Sheng Jiao, Nicholas K. Boyd III

Rocky Mountain Association of Geologists

... the velocity profile at approximately 1.2 to 1.4 seconds two-way traveltime (TWTT). Thus, there is considerable topographic relief on the regional...

Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 2: Three-Dimensional Seismic Monitoring of an Enhanced Oil Recovery Process

Robert J. Greaves, Terrance J. Fulp

AAPG Special Volumes

...: Geophysics, v. 39, p. 759–769. Domenico, S. N., 1976, Effect of brine-gas mixture on velocity in an unconsolidated sand reservoir: Geophysics, v. 41, p. 882...

A cross-shape deep Boltzmann machine for petrophysical seismic inversion

Son Dang Phan and Mrinal K. Sen

AAPG Bulletin

... and intensity change due to the high-frequency attenuation when traveling through the subsurface (Yilmaz, 2001). Meanwhile, the reflectivity series...

ABSTRACT 4D Seismic Monitoring of CO2: Practical Considerations, #90103 (2010)

David Lumley

Search and Discovery.com

... information (such as traveltime, velocity and amplitude) from prestack seismic data or images, as required input for any inversion algorithm. References...

Abstract: Converted-Wave Prestack Time Migration with a New Approximate Migration Weight; #90224 (2015)

Chuck Ursenbach and Peter Cary

Search and Discovery.com

.... t0 is the two-way vertical traveltime, with z the vertical distance to the image point and v the velocity of the homogeneous medium. CMP...

The Eagle Ford Shale Laboratory: A Field Study of the Stimulated Reservoir Volume, Detailed Fracture Characteristics, and EOR Potential

A. D. Hill, M. Laprea-Bigott, D. Zhu, G. Moridis, D. S. Schechter, A. Datta-Gupta, S. Abedi, J. Correa, J. Birkholzer, B. M. Friefeld, M. D. Zoback, F. Rasouli, F. Cheng, J. Ajo-Franklin, J. Renk, O. Ogunsola, K. Selvan

Unconventional Resources Technology Conference (URTEC)

... and Eagle Ford formations; VSP-to-CDP transform of S-waves; Pre-stack Kirchhoff migration image from S-waves; S-wave velocity profile picked from...

Induced seismicity hypocentral depth stability and sensitivity to Vp/Vs in the South Delaware Basin, West Texas

Alexandros Savvaidis, Anthony Lomax, Robin Dommisse, Caroline Breton, Matthew Shirley, Vincent OSullivan

International Meeting for Applied Geoscience and Energy (IMAGE)

... determinations. Depth determination is greatly complicated in the Delaware basin by the presence of the shallow, high seismic velocity, Ochoan salt...

Abstracts: The Conventional and Non-conventional Seismic Differencing; #90173 (2015)

Vanja Vracar and Robert J. Ferguson

Search and Discovery.com

... on the inverse data matrix. We use 2D variable velocity models and their corresponding migrated synthetic seismograms to represent three snapshots...

Permeability prediction in chalks

M. Monzurul Alam, Ida Lykke Fabricius, Manika Prasad

AAPG Bulletin

..., but the effect on velocity is only minor, unless recrystallization causes cementation at the grain contacts. Contact cementation thus increases velocity...

Abstract: Characterization of the Hercynian Unconformity, for Prospect Evaluation, Saudi Arabia, by Sulaiman L. Al-Sulami and Mohammed Ameen; #90105 (2010)

Search and Discovery.com

A three-component field study of the effect of the low-velocity layer on converted-wave seismic data

Dan Cieslewicz, Don C. Lawton

CSPG Special Publications

...A three-component field study of the effect of the low-velocity layer on converted-wave seismic data Dan Cieslewicz, Don C. Lawton 1998 217 220...

Sonic Saturation Inversion and AVO Modeling in the Tunu Gas Field

Patrick Fouchard, Scott Leaney, Sugimin Harsono

Indonesian Petroleum Association

... for compressional and shear velocity squared as functions of bulk density and moduli are: where ρb is bulk density, Kp is the pore space modulus, Kb...

Recent Advancements in Mechanical Earth Modeling at Farnsworth Unit, Texas, USA, #80722 (2020).

Robert Balch, Robert Will, Marcia McMillan,

Search and Discovery.com

... ❖ Integrated Stress Model Calibration Workflow ❖ Stress-Strain-Velocity Evidence in Log and Core Presenter’s notes: 1 -We’ll start with a very brief...

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

D. Meisinger and N. H. Kalmanovitch

Search and Discovery.com

... analysis. P waves and S waves respond very differently to fractures. Fractures have a profound effect on S waves because of the dramatic reduction...

The Suitable Method in Generating True Depth Structure Maps to Eliminate Wonocolo Push-Down Effect on Seismic Data and Its Impact on Prospect Evaluation, North Madura Platform, East Java Basin

Haryono Haryanto, Rizki Krishna Pratama, Riaz Alai, M. Afiq B. Mokhtar, Pongga Wardaya, Yonghe Guo, Jun Wang

Indonesian Petroleum Association

... function method resulted depth structure maps with unsolved push-down effect artifact, as it is not respecting lateral variation of velocity. 3D paleo...

Subsurface temperature from seismic reflections: Application to the post-breakup sequence offshore Namibia

Arka Dyuti Sarkar and Mads Huuse

AAPG Bulletin

...-way traveltime; VP = P-wave velocity. Well Data Well data included ODP Site 1084 and Norsk Hydro Exploration well 2513/8-1 (Figure 1). The ODP...

Abstract: Regular Grids Travel Time Calculation … Fast Marching with an Adaptive Stencils Approach; #90187 (2014)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

... a fixed source in isotropic media, has the form ( ) ( ) Here x, and z are spatial coordinates, (1) is the traveltime (eikonal), and v is the velocity...