Looking Fractures Around the Wellbore: First Successful Azimuthal Dipole Sonic Imaging in a Carbonate Horizonal Well in China

Yu Zhang, Haidong Liu, Honglin Xiao, Xiaoming Zhang, Bo Liu, Yanyan Chen, Zheyuan Huang, Cai Liang, Wei Wang, Guo Wei, Gamal Sultan, Elizabeth Ruiz

Unconventional Resources Technology Conference (URTEC)

.... The aperture of the conductive fracture can also be reflected by the colors on the borehole images. The high-aperture fractures are darker in color...

Sensitivity analysis of acoustic waveform inversion to velocity anomalies in the near-surface using the Frchet derivative

Ao Cai, Colin A. Zelt

International Meeting for Applied Geoscience and Energy (IMAGE)

... and seismic refractions. The migration mode is linked with small aperture angles, diffracted energy, and reflection data. In the near-surface applications...

ANOTHER SPECIES OF THE GENUS CYMATIUM SWIMS THE ATLANTIC

J. Gibson-Smith, W. Gibson-Smith, F. Gibson-Smith

Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)

... these specimens and that from Venezuela. The apparent greater rarity of C. trigonum in the Western Atlantic suggests that, if migration across...

Using Microseismicity to Understand Subsurface Fracture Systems and to Optimize Completions: Eagle Ford Shale, TX

John Detring, Michael Grealy

Unconventional Resources Technology Conference (URTEC)

... of the structure. The large aperture and wide azimuth of the monitoring array facilitated the determination of source mechanisms from every event detected, which...

Borehole Image and Production Logging Drives Well Interventions in Horizontal Gas-oil Gravity Drainage Wells in a Giant Middle Eastern Carbonate Field

Edward Follows, Andrew Beck, Andrew Farmer, Saud Al Salmi, Gerbert de Bruijn, Livio de Pieri, Rudy Welling

AAPG Special Volumes

... a conductive fracture population that was divided into three main types based on increasing apparent aperture. The distribution of fractures partly reflects...

Using 3mD Seismic to tmprove Definition of a Bighorn Basin Anticline, Badger Basin Field, Park County, Wyoming

Jerome P. Walker, Daniel D. Hollis, Kevin M. Revels, Kenneth L. Grubbs

Rocky Mountain Association of Geologists

...= - lrQFT I 0 2WO R102W lRlOlW Determining proper migration and fold aperture is very important for designing an effective 3-D survey. Insufficient...

Mudstone and Claystone Units: Seals for Ancient Microbial Gas Accumulations in the Upper Cretaceous Milk River Formation, Alberta and Saskatchewan

Neil Fishman, John Neasham, Donald Hall, and Debra Higley

Search and Discovery.com

... these units inhibited vertical migration of Milk River gas. Thus, mudstones and claystones helped gas accumulations in the formation to persist...

Deciphering an Unconventional African Reservoir: Geological Characterization of Granitic Basement from Bongor Basin, Chad, #10673 (2014).

Lirong Dou, Chandramani Shrivastava, Chuanshu Dai, Jingchun Wang, Nidra Hammond, Chioma Anakwe, Mahamad Siddick, and Boqiang Xu

Search and Discovery.com

... the low resistivity response on the borehole images. Fracture aperture and porosity were computed using the scaled borehole image logs. The maximum...

A model describing flowback chemistry changes with time after Marcellus Shale hydraulic fracturing

Victor N. Balashov, Terry Engelder, Xin Gu, Matthew S. Fantle, and Susan L. Brantley

AAPG Bulletin

... natural migration of Marcellus Formation brine to shallow aquifers in Pennsylvania: Proceedings of the National Academy of Sciences, v. 109, p. 11,961...

Seismic Modelling in 3D for Migration Testing

Search and Discovery.com

...Seismic Modelling in 3D for Migration Testing Seismic Modelling in 3D for Migration Testing Gary Margrave* University of Calgary, Calgary, AB...

Click to view abstract in PDF format

Search and Discovery.com

Low-rank representation for reflectivity model and its applications in least-squares migration

Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan

International Meeting for Applied Geoscience and Energy (IMAGE)

...Low-rank representation for reflectivity model and its applications in least-squares migration Jidong Yang, Jianping Huang, Hejun Zhu, George...

Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)

John C. Bancroft and Thais Guirigay

Search and Discovery.com

... velocities to approximate those of the Average velocities. All input traces within the migration aperture are combined into each CCG using the travel...

Characterization of Subsurface Bedding-Parallel Shear Fractures and Their Influence on Shale Gas Enrichment in Wufeng-Longmaxi Formation, SiChuan Basin, China.

Li-Wei Jiang, Yong He, Dong-Chu Shu, Wei Niu, Feng Pan, Yue Wang, Kai-Xuan Li, Hai-Peng Zhao, Yu Tang

Unconventional Resources Technology Conference (URTEC)

... basin revealed the aperture size of bedding-parallel shear fractures ranges from 1 cm to 50 cm. In most wells, the fractures are much more intense...

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

... heterogeneous and appropriate for ray tracing. The velocity is used as first approximation of velocity field for pre-stack depth migration and updates...

Monitoring technology to enable characterization of CCUS reservoirs

Shauna Oppert, Jose Adachi, Dean Thornton, Andrew Royle

International Meeting for Applied Geoscience and Energy (IMAGE)

... into a reservoir without any adverse subsurface effects. Data from Interferometric Synthetic Aperture Radar (InSAR) and Pressure Monitor Transponders (PMTs...

Results of a Vibroseis Sourced 3D Seismic Survey, Phetchabun Basin, Thailand

David Remus, Rex Prosser

Southeast Asia Petroleum Exploration Society (SEAPEX)

... and 120 HZ and dips up to 20 degrees at the target level, a migration aperture of 500 meters was required in the dip direction (Figure 6a). At these depths...

The Use of Coherence Cube Visualization in Picking Seismic Processing Parameters and Post Processing Hybrid Visualization Products

Otto J. Welper

GCAGS Transactions

..., static's, dmo, migration velocity evaluation, migration algorithm evaluation and signal to noise evaluation. The final result of this evaluation is normally...

Microseismic imaging with three-component borehole sensors

Jakob B. U. Haldorsen

International Meeting for Applied Geoscience and Energy (IMAGE)

... to suggest that the aperture for the "fat-ray" migration be increased from ±2° to ±5°. HYBRID SENSOR ARRAY The presence of noise in real field data...

Displacive Widening of Calcite Veins in Shale: Insights Into the Force of Crystallization

Qingfeng Meng, John Hooker, Joe Cartwright

Journal of Sedimentary Research (SEPM)

... patterns, geometry and microstructure: Geofluids, v. 1, p. 137–162. Olson, J.E., 2003, Sublinear scaling of fracture aperture versus length: An exception...

Petrophysical Characterization of the Bakken Shale for Carbon Storage Investigation

Circe Verba, Dustin Crandall, Johnathan Moore, Christina Lopano

Unconventional Resources Technology Conference (URTEC)

... exposure to CO2. Results of these analyses indicate reduction of the fracture aperture in the Bakken shale sample plug after prolonged exposure...

Selection of the Optimal Hydraulic Fracturing Fluid Using the DFIT-FBA Method

Sadjad Haqparast, Danial Zeinabady, Christopher R. Clarkson

Unconventional Resources Technology Conference (URTEC)

... this assumption for this study, the change in fracture aperture with pressure during the flowback stage was simulated. This is important for accurately...

Aspects of Seismic Resolution: Chapter 1

R. E. Sheriff

AAPG Special Volumes

... considerations. However, on migrated sections other factors become important, such as noise on the unmigrated section, spatial aliasing, migration aperture...

Advanced Tracer Interpretation at Utah FORGE Provides New Insights on Completion and Stimulation Challenges for Enhanced Geothermal Systems and Tight Formations

Christopher N. Fredd, Christopher de Cerf, Partho Giri, Sven Hartvig, Olaf Huseby, John McLennan, Kevin England

Unconventional Resources Technology Conference (URTEC)

..., due to fluid migration associated with fracture closure during shut-in at the end of April. These spikes provide information about the dynamics...

Illuminating geothermal reservoir structure: DAS microseismic imaging at Utah FORGE

Yuanyuan Ma, Jonathan Ajo-Franklin, Michal Chamarczuk, Jeremy Patterson, Ismael Vera Rodriguez, David Podrasky, Thomas Coleman, Carlos Maldaner

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The migration aperture could be further improved with more data input. However, imaged structures near the 16B wellbore enjoy great illumination and, therefore...