The Challenges of 3D Seismic Application for Athabasca Oil Sands Development; #10681 (2014)

Takehiko Sato, Leigh Skinner

Search and Discovery.com

... for a shot hole depth. Figure 3 shows the time slice at 248 ms of an overlapping area between the 2003 and 2007 surveys. On the 2007 time slice...

Simultaneous Inversion of Clastic Zubair Reservoir: Case Study from Sabiriyah Field, North Kuwait; #41448 (2014)

Osman Khaled, Yousef Al-Zuabi, Hameed Shereef

Search and Discovery.com

... lithologies in this formation due to the low contrast in P-impedance between sand and shale. A feasibility study was conducted and the results show...

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

.... The strong velocity contrast between the carbonate platforms and surrounding sedimentary layers with sharp velocity boundaries shown in Figure 4 poses...

OPTIMIZING OIL WELL PRODUCTION: INTRODUCING EROSIONAL VELOCITY LIMITS FOR ENHANCED CHEMICAL SAND CONTROL, HANDIL OIL FIELD CASE STUDIES

Rahman Setiadi

Indonesian Petroleum Association

...OPTIMIZING OIL WELL PRODUCTION: INTRODUCING EROSIONAL VELOCITY LIMITS FOR ENHANCED CHEMICAL SAND CONTROL, HANDIL OIL FIELD CASE STUDIES Rahman...

ABSTRACT: VSP Detection of Fracture-Induced Velocity Anisotropy, by David H. Johnston; #91038 (2010)

Search and Discovery.com

Abstract: P-Wave Velocity Variation in Water-Saturated Sand from Shallow Seismic Refraction

L. S. Leong, K. H. Ho, K. Y. Lee, C. C. Yew

Geological Society of Malaysia (GSM)

... are usually described by a low velocity between 330500 ms- 1, while Young Alluvium and sand filled paleochannals, the later, as prominent targets...

Chapter 8: Evaluation of Anomalous Pressuring and Gas Saturation Using 2-D and 3-D Visualizations of Well Log Information

Zun S. Jiao, Ronald C. Surdam

Montana Geological Society

... between the velocity in pure sand and pure shale is relatively small, with sand velocity slightly higher. We have taken these minor...

Time-Depth Modeling in High Pore-Pressure Environment, Offshore East Coast of India; #30463 (2016)

Nidhi Jindal, Ajoy Kumar Biswal, Kumar Hemant Singh

Search and Discovery.com

... becomes challenging in a complex geological environment. This study investigates plausible models between depth and interval velocity in a high...

Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)

Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan

Search and Discovery.com

... domain, it will be a convolutional wavelet. We find an analogy between estimation of the velocity update from the migrated section and the common process...

Geostatistical Seismic Inversion and its Applications for Thin Bed Sands Mapping on Sisi-Nubi Field, Mahakam Delta, Indonesia

Moez El-Amri, Ruth Christiani-Basa, Gilles Vallon, Sung Yuh, Hermawan

Indonesian Petroleum Association

... if the corresponding match between synthetic and real seismic is good, or using a Bayesian framework allowing fast calculation and sampling of a Gaussian posterior...

Concave Sand Grains in Eolian Environments: Evidence, Mechanism, and Modeling

B. T. Werner , E. Merino

Journal of Sedimentary Research (SEPM)

... is the mean square relative angular velocity times the mean time between collisions. The root mean square angular velocity is estimated with a random-walk...

Unlocking the potential of WAZ data for subsalt imaging using FWI: A case study in the Perdido area

Vivek Vandrasi, Zhihua Su, Shouting Huang, Yogesh Agnihotri, Sabaresan Mothi

International Meeting for Applied Geoscience and Energy (IMAGE)

...*, Zhihua Su, Shouting Huang, Yogesh Agnihotri, Sabaresan Mothi, CGG Summary Full-waveform inversion (FWI) has become the norm in velocity model building...

Gas Hydrates in Ocean Bottom Sediments

M. K. MacLeod

AAPG Bulletin

.... Kvenvolden, personal commun.). The acoustic impedance (reflectivity) at the base of the gas hydrate is a result of a velocity contrast between...

3D Seismic Proves Its Value in Bakken Geosteering, #41435 (2014).

Angie Southcott

Search and Discovery.com

.... Additionally PSDM comparisons are available to take advantage of carefully vetted well tops and meticulous seismic velocity determinations. Background Upon...

Effects of Pore Geometry Changes on Velocity Anisotropy on Chalks, #50528 (2011)

Mohammad Reza Saberi, Mirko Barone, and Pieter van Heiningen

Search and Discovery.com

... interpretation. The self-consistent approach (SCA) to make a link between velocity, porosity, and lithology changes in chalks. The PMS value...

Structural Framework of Continental Margin of Eastern North America: ABSTRACT

M. A. Mayhew

AAPG Bulletin

... is defined as the top of seismic layers of velocity greater than 4.5 km/sec, and referred to as "basement." The configuration of this surface is a series...

Abstract: Velocity Estimation for Depth Conversion of a 3-D Data Set in Troll Field: A Comparison of Different Techniques, by D. McCorkindale and L-F. Hwang; #90960 (1995).

Search and Discovery.com

Abstract: Improved Pore Pressure Prediction by Integrating Basin Modeling and Seismic Methods, by H. M. Helset, M. Lüthje, and I. Ojala; #90091 (2009)

Search and Discovery.com

Active and passive monitoring of fault reactivation under stress cycling

Milad Naderloo, Aukje Veltmeijer, Auke Barnhoorn

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Additionally, coda wave interferometry (CWI) (Snieder, 2006) is used to monitor the change in velocity (dv/v) between two consecutive recorded waves...

Imaging Complex Structures in Colombia … Full Wave Equation Migration Approach

Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... for all shots varies between 5-12 ms with an average value of 8 ms. Next, we estimated an initial near-surface velocity model from the average refraction...

Seismic monitoring using compact phased arrays: CO2 sequestration monitoring

Jian Zhang, Elige B. Grant, Paul A. Nyffenegger, Mark A. Tinker, Kevin D. Hutchenson, Don C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

..., compact volumetric phased arrays allow the estimation of an unambiguous angle-ofarrival as well as the phase velocity across the array. Compact...

P-wave velocity inversion with average velocity analysis method

Yan Yuefeng, Jing Shaodong, Wang Yingwei, Zhong Chuhan

International Meeting for Applied Geoscience and Energy (IMAGE)

...P-wave velocity inversion with average velocity analysis method Yan Yuefeng, Jing Shaodong, Wang Yingwei, Zhong Chuhan P-wave Velocity Inversion...

Integrated Interpretation of Seismically Derived Rock and Fracture Attributes for Shale Gas Reservoir Characterization

Gang Yu, Yusheng Zhang, Xing Liang, Uwe Strecker, Maggie Smith

Unconventional Resources Technology Conference (URTEC)

... elliptical velocity inversion indicates that anisotropy varies horizontally and vertically, and that it is dominantly controlled by stress azimuth, which...

Maximising the value of 2D hard rock seismic acquisition at Escondida Porphyry Copper Mine

Heather Schijns, Gabriel Madero

Petroleum Exploration Society of Australia (PESA)

... were required; the longest gap was 1.4 km but would have required >2.4 km of cabling to circumnavigate the obstruction and allow connectivity between...

Basic Cased Hole Tools: Part 4. Wireline Methods

Mark W. Alberty

AAPG Special Volumes

... hydrocarbon recovery strategies. 3. To provide a depth reference between open hole and cased hole measurements and services. BASIC TOOLS The basic...