The Application of Fluoboric Acid in Sandstone Matrix Acidizing: A Case Study

A. Ayorinde, C. Granger, R. L. Thomas

Indonesian Petroleum Association

... exhibited severe fines migration problems subsequent to conventional Mud Acid treatments attributed to exceeding the critical flow velocity for silt...

Seismic Processing in the Papua New Guinea Fold Belt - Recent Experience

N. J. Fisher, F. R. Nicholson

Papua New Guinea (PNG) Petroleum Convention Proceedings

... be the case for steeply dipping energy). The velocity field is then selected by scanning the constant velocity stacks, making picks wherever the data...

A strategy for acoustic impedance direct inversion in depth domain

Ruiqian Cai, Chengyu Sun, Shizhong Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... shallow to deep formations (Lin et al., 2013), which could be caused by many reasons, such as the velocity effect and deep migration operators (Etgen...

Wave Equation Shot Migration as a Ground Roll Filter.

Francisco Ortigosa, Pedro Muñoz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... plane is lower that half the migration velocity at a given moment during processing, will fall in negative frequency quarter of the FK plane...

Land seismic multi-parameter FWI imaging

Mason Phillips, James McLeman, Vlada Avramovic, Tom Rayment, Stuart Schmitt, Mike Varner, Yasser Khalifeh, Ahmad Ammar Chahine, Eskil Jersing

International Meeting for Applied Geoscience and Energy (IMAGE)

... migration with the MP-FWI imaging velocity model. This demonstrates that the MP-FWI imaging velocity model provides a clear kinematic improvement over...

Dynamics of Sediment Movement

Gerard Middleton, John B. Southard

Special Publications of SEPM

... that this is in fact the case for a sphere resting on a bed of spheres. We also expect that the characteristic velocity will be some velocity close to the bed, which...

3D3C seismic exploration for tight sand reservoirs: Case study in western China

Wang QinGeng, Hu Shanzheng, Zhao Rongrong, Xie Wanxue, Zhou Ming, Ren Cong, Jing Longjiang, Luo Ji

International Meeting for Applied Geoscience and Energy (IMAGE)

... imaging problem. The migration method contained four imaging parameters, which were converted wave velocity VC, vertical P-wave velocity and Swave velocity...

Geological Impact of Sediment Transporting Events on the Washington Continental Shelf

Nancy B. Kachel, J. Dungan Smith

CSPG Special Publications

... for a ripple to migrate one wavelength Tw wave period t time u cross-shelf component of velocity ur ripple migration rate ux shear velocity (τb/ρ...

Abstract: Application of a Tomographic Velocity Model to the Prestack Depth Migration of a Buried Valley; #90172 (2014)

Oluwafemi Ogunsuyi, Douglas R. Schmitt

Search and Discovery.com

...Abstract: Application of a Tomographic Velocity Model to the Prestack Depth Migration of a Buried Valley; #90172 (2014) Oluwafemi Ogunsuyi, Douglas R...

Understanding Azimuthal P-Wave Anisotropy through Multiple Vendor and Attribute Comparisons

Jamie Rich, Breanne Kennedy, Marianne Rauch-Davies

Unconventional Resources Technology Conference (URTEC)

... measures of fracture orientation. Shear wave surveys which exploit the separation of polarization arrivals due to velocity anisotropy, tend to show...

Smectite Diagenesis and Sandstone Cement: The Effect of Reaction Temperature

R. W. Lahann

Journal of Sedimentary Research (SEPM)

... of migration of a molecular species away from its source will increase. In like manner, the greater the rate constant for precipitation, the less likely...

3D seismic modelling fast adaptability in the face of operational constraints „ A case study

Clemence Cuvilliez, Aline Robin, Veronique Duprat, Camille Le Magoarou, Bruno Pagliccia, Severin Rubio, Enrico Zamboni

International Meeting for Applied Geoscience and Energy (IMAGE)

... the implementation of a Kirchhoff de-migration/re-migration workflow for seismic modelling, focusing on a deep-offshore OBN acquisition case study. This study aimed...

Monitoring Sea-floor Instability Caused by the Presence of Gas Hydrate Using Ocean Acoustical and Geophysical Techniques in the Northern Gulf of Mexico

Erika Geresi, Ross Chapman, Tom McGee, Bob Woolsey

AAPG Special Volumes

... the velocity analysis for the normal moveout correction and from the migration-velocity analysis for the migration. The resolution of the first velocity model...

Subsalt Imaging: An Integrated Approach to Image Improvement of Vintage Data, #42076 (2017).

Evans Owah, Christian Rivera, Marjolaine Lahmi, Michel Courbe

Search and Discovery.com

... prospects. Pre-stack depth migration has been known to help improve the seismic image around complex targets with sharp lateral velocity variations...

Nonparametric Bayesian approach for robust depth uncertainty estimation from seismic velocity and anisotropy tradeoffs

Jinsong Chen, Sizhuang Deng, Min Yang, Andrey Shabelansky, Cory Hoelting, Huafeng Liu, Maisha Amaru

International Meeting for Applied Geoscience and Energy (IMAGE)

... estimation of the depth to the reflector. Target Horizon: Mid Cretaceous Unconformity m/s Figure 2: SEAM1 velocity model along a profile. We built a case...

Improved Subsurface Imaging and Interpretability Through Broadband Reprocessing of Legacy Seismic Data: Examples from North West Shelf Australia

Stephen Malajczuk, Rajesh Saklani, Dean Clark, David Eastwell

Petroleum Exploration Society of Australia (PESA)

..., such as well log information (Lindseth, 1979) or migration velocity models (Oldenburg, et al. 1984). However these sources can only produce a crude estimate...

Three-Dimensional Quantitative Characterization of Pore Throat Space of Low and Ultra Low Permeability Sandstone Reservoir in Bohai Bay Basin by Combined Constant Velocity Mercury Injection and X-CT, #42251 (2018).

Lin Wan, Lixin Tian, Chengmin Niu, Qingbin Wang, Xiaojian Liu

Search and Discovery.com

... by Combined Constant Velocity Mercury Injection and X-CT, #42251 (2018). Lin Wan, Lixin Tian, Chengmin Niu, Qingbin Wang, Xiaojian Liu PS Three-Dimensional...

Improving subsalt images using FWI and FWI imaging: A streamer case study at Big Foot

Weihong Fei, Jingru Chen, Min Yang, Leah Grassi, Erik Everson, Paul Bovet, Marin Laomana, Sheree Wold, Alex Yanjun Hao, Chi Chen, Shubin Zeng, Zhiyuan Wei

International Meeting for Applied Geoscience and Energy (IMAGE)

... Association of Petroleum Geologists Improving subsalt images using FWI and FWI Imaging: a streamer case study at Big Foot FWI driven velocity model...

Characterization of a Shallow Steamed Oil Reservoir Using Crosswell Seismology

Bjorn N. P. Paulsson, John W. Fairborn

Indonesian Petroleum Association

... at the velocity model. We have found that the final result is not sensitive to this initial guess and that a simple constant-velocity model...

Minimizing Depth Uncertainties Through Effective Seismic Processing Strategies in a Complex Geological Setting - Unlocking Deeper Potentials Offshore Indonesia

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

Indonesian Petroleum Association

... with intermediate velocities such as single velocity functions obtained from existing wells or smoothed velocity models picked for time migration, can...

Hierarchical elastic velocities reconstruction with Eikonal-equation-based characteristic reflection traveltime tomography

Jianhua Wang, Jianming Zhang, Liangguo Dong, Yandong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... source point Figure 1 The multi-layer models of (a) Vp and (b) Vs. (c) PP and (d) PS migration images based on the initial constant velocity models...

Sediment Sorting in Alluvial Channels

Lucien M. Brush Jr.

Special Publications of SEPM

... structur ally was and much the case for more difficult suspended to evaluate than sediment To be sure minor fluctuations in the velocity close...

Physical Processes in the Ocean: Part 2: Relation of Oceanography to Sedimentation: PART 1

R. H. Fleming, Roger Revelle

AAPG Special Volumes

... of observed velocity distribution. End_Page 78------------------------- As has been stated, the coefficient of eddy viscosity is not a constant, and is very...

ABSTRACT: Simultaneous Joint Inversion as a Salt Detector in South Gabon Land Exploration "Best of EAGE"

Search and Discovery.com

Abstract: Application of Pre-Stack Migration Techniques in SSB/SSPC to Improve Seismic Imaging and Reduce Exploration Uncertainties

Jan Douma

Geological Society of Malaysia (GSM)

... migration is the most commonly applied migration technique. For geological settings with mild velocity variations this technique gives satisfactory results...