Single-sensor towed streamer acquisition: a case study from the Gulf of Mexico

P. Munoz, J. Uribe, N. Moldoveanu

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... area and the comparison is presented in Figure 5. The single-sensor line has an improved amplitude spectrum vs. conventional 3D data: 65 Hz seismic...

An optimal aperture crosscorrelation imaging condition for Marchenko imaging

Xiaochun Chen, Yezheng Hu, Yukai Wo, Weiping Cao, Xuri Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity between S 0 and S1 , t10  h v is one way zero-offset traveltime for G , while t20  (h  2d ) v for G . It is clear that dt is a monotonically...

Stacking common-image gathers via the flatten-illumination-similarity method

Chengliang Wu, Huazhong Wang, Bo Feng, Chao Ning, Xianggong Tang

International Meeting for Applied Geoscience and Energy (IMAGE)

... migration velocity and mad physics. Furthermore, the complex topography, subsurface structure, incomplete observation system, and space-variant sharply...

Gas Hydrates Exploration Using Continuous Wavelet Transform Based on Spectral Decomposition

Hafidz Dezulfakar, Muhazzib, Yulia Nur Fajrina

Indonesian Petroleum Association

... will give an acoustic impedance contrast between high velocity of gas hydrates bearing sediment with low velocity sedimentary. In some areas, lateral...

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

... the usable spectrum of each stacked trace. In the final processing step, the data were migrated using an f-k migration algorithm and the velocity function...

From Sedimentary Structures to Facies Models: Example From Fluvial Environments

J. C. Harms, J. B. Southard, D. R. Spearing , R. G. Walker

Special Publications of SEPM

... velocity. Grain size and flow depth may also have changed during ripple migration. interpretation. In this way, each facies is characterized...

Complex Model Building using Objective Construction of Curve Ray Time Migration Moveout with Geologic Constraints, #41596 (2015).

Kerry Stinson, Shlomo Levy, Edward Crase, Wai-Kin Chan

Search and Discovery.com

... Modeling Inc., Calgary, AB, Canada ([email protected]) Abstract A time domain system for high density, high resolution migration velocity estimation...

Geostatistical Inversion on Broadband Seismic Data: A Case Study Offshore Malaysia

Francois Baillard, Murthy Jayanthi Venkata Satyanarayana, Rakesh Doshi, Kwong Wee Poh, Rajat Rathore, Siew Mun Tan, Loic Michel, Eric Andersen, Shivaji Maitra, Riccardo Vercesi, Lam Hoang Do

Indonesian Petroleum Association

... the depth velocity model building. The new broadband full stack for 1989 and 2004 show significant imaging improvements compared to the previous 2004...

Subsurface monitoring during tunnel excavation area using auto-correlation

Enhedelihai Nilot, Gang Fang, Yun Zhou Tan, Yanlong Niu, Heng Zhang, Yunyue Elita Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... multichannel noise cross-correlations (Cheng et al., 2015; Zhang et al., 2019; Nilot et al., 2020). Then, the shear wave velocity model can be recovered...

Seismic attenuation extracted from isolated traffic signals

Yumin Zhao, Yunyue Elita Li, Bei Li, Wei Luo, Zhaoyin Liu, Yuxuan Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

... changes in the propagation property of seismic waves. Seismic velocity changes over time have been extracted from both active and passive seismic data...

Field Technique Design for Seismic Reflection Exploration

L. R. Denham

Dallas Geological Society

.... The minimum wavelength component is determined by a reflection’s apparent dip and frequency spectrum. Since wavelength equals apparent velocity divided...

Depositional Mechanisms from the Size Analysis of Clastic Sediments

Basanta K. Sahu

Journal of Sedimentary Research (SEPM)

... the spectrum of marine depositional processes. BAGNOLD, R. A., 1941, The physics of blown sand and desert dunes: Methuen, London. 265 p. BAGNOLD, R...

The Developing Role of Analysis in the Design of Floating Production Systems

D. B. Melver, D. Cash

Indonesian Petroleum Association

.... Bluff bodies in steady flow experience a viscous drag force in the direction of flow proportional to the square of the velocity (for the present we...

ABSTRACT: Effects of Pore Geometry Changes on Chalks Velocity Anisotropy, by Saberi, Mohammad Reza; Barone, Mirko; van Heiningen, Pieter; #90135 (2011)

Search and Discovery.com

Statistical Variable Salt Velocity Calculation by Neural Network Classification in the Central Gulf of Mexico

Search and Discovery.com

ABSTRACT: 3-D P-velocity model of the mantle of the Black Sea and South-Caspian basin; #90109 (2010)

I.Bugaienko, T.Tsvetkova, L.Shumlyanska, L.Zaiets

Search and Discovery.com

...ABSTRACT: 3-D P-velocity model of the mantle of the Black Sea and South-Caspian basin; #90109 (2010) I.Bugaienko, T.Tsvetkova, L.Shumlyanska...

Abstract: A Simple and Practical Way to Interpolate Sparse Velocity along Structures; #90319 (2018)

Lei Cao, Tong W. Fei, Xu Ji, Yi Luo

Search and Discovery.com

...Abstract: A Simple and Practical Way to Interpolate Sparse Velocity along Structures; #90319 (2018) Lei Cao, Tong W. Fei, Xu Ji, Yi Luo AAPG...

Sediment characteristics of some Nova Scotian beaches

Edward Bryant

Atlantic Geology

... factors can commonly be determined using air photographs taken over time. The modal positioning of a beach in the morphological spectrum will permit...

Nonuniform dispersed source arrays for broadband seismic acquisition

Joaqun A. Acedo, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the signal bandwidth is a crucial attribute in defining data quality. The latter is mainly controlled by the energy spectrum the source releases...

Marine Vibrator Concepts for Modern Seismic Challenges

Andrew Long, Rune Tenghamn

Petroleum Exploration Society of Australia (PESA)

..., 2000). As illustrated in Figure 1, the frequency spectrum of the emitted source wavefield is band-limited (about 7-120 Hz at the 12 dB down points...

Geoscience Integration and Interpretive Model Building to Overcome Seismic Imaging Problems in Foothills Environments; #41547 (2015)

Rob Vestrum

Search and Discovery.com

..., automated velocity-model-building tools fail to produce an optimum velocity model for TTI anisotropic depth migration. In a setting with such under...

Assessing and processing three-dimensional photogrammetry, sedimentology, and geophysical data to build high-fidelity reservoir models based on carbonate outcrop analogues

Ahmad Ramdani, Pankaj Khanna, Gaurav Siddharth Gairola, Sherif Hanafy, and Volker Vahrenkamp

AAPG Bulletin

... and calibrated it with measured sections. We measured dielectric permittivity, acoustic velocity, and bulk density to assess the geophysical properties...

Improving 4D signal using advanced 4D workflows: A case study from Gulf of Mexico

Vincent Durussel, Jianxiong Chen, Abhishek Raj, Bartosz Szydlik, Markos Sourial, Joseph Rafik Hanna, Gabriel Mattei, Leslie Bartsch

International Meeting for Applied Geoscience and Energy (IMAGE)

... study arise from timing and spatial disparities due to water velocity and environmental changes during different periods of acquisition...

Wave Effectiveness at the Sea Bed and its Relationship to Bed-forms and Deposition of Mud

I. N. McCave

Journal of Sedimentary Research (SEPM)

... concentration and current velocity--influencing deposition of mud. Some ancient mudstone could have been deposited in shallow waters off exposed coasts...

Geophysical Study of a Magma Chamber Near Mussau Island, Papua New Guinea

S. V. Dadisman, M. S. Marlow

Circum Pacific Council Publications

... for an in-plane event. The frequency spectrum of the reflection shows a decrease in high-frequency content when compared to the sea floor reflection...