ABSTRACT: Quantifying CO2 Saturation from Time-Lapse Well Logging in an Onshore Saline Aquifer, Nagaoka, Japan; #90061 (2006)

Ziqiu Xue, Jiro Watanabe, and Daiji Tanase

Search and Discovery.com

... sequestrated within the reservoirs. The major challenge is how to correlate wave velocity or electrical conductivity with fluid (CO2 or formation water...

Assessing mineral composition and permeability of a shale seal

Roman Beloborodov, Marina Pervukhina, Maxim Lebedev, Juerg Hauser

Petroleum Exploration Society of Australia (PESA)

..., we first establish a generalised linear model (GLM) relating smectite content available in the form of XRD measurements to a number of rock physics...

An Examination of Froude-Supercritical Flows and Cyclic Steps On A Subaqueous Lacustrine Delta, Lake Chelan, Washington, U.S.A.

Aaron T. Fricke, Benjamin A. Sheets, Charles A. Nittrouer, Mead A. Allison, Andrea S. Ogston

Journal of Sedimentary Research (SEPM)

... the region of log-linear decay, and z is the difference in depth between Ao and Az. Results Delta and Basin Morphology The bathymetric survey...

Estimation of TOC and Brittleness Volumes and Correlation with Reservoir Production

Sumit Verma, Tao Zhao, Kurt J. Marfurt, Deepak Devegowda, Dario Grana

Unconventional Resources Technology Conference (URTEC)

... interpretation can lead to inaccurate estimates of TOC. Using non-linear regression with Passey’s TOC, normalized stratigraphic height and acquired wireline...

Adaptive regularization parameter estimation in image domain least-squares migration

Shen Sheng, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... estimation in image domain least-squares migration Shen Sheng*, Huazhong Wang, Tongji University Summary The least-squares migration (LSM) based on linear...

Coalbed Methane Applications of Wireline Logs: Chapter 13

Patrick L. Scholes, Dave Johnston

AAPG Special Volumes

... in depth track) the gamma ray response is low, the resistivity response is high, the density porosity response is high, and the neutron density response...

Potential Field Data Guided Seismic Forward Modelling of Basement Structures: A Case Study from Offshore Nile Delta Basin

Said Hanafy, Shastri L. Nimmagadda, Sharaf Eldin Mahmoud

Petroleum Exploration Society of Australia (PESA)

... stacking velocity data and depth values interpreted from gravity and magnetic field data are used in the modelling process. The uncertainty in modelling...

High-resolution imaging using Gaussian beam point-spread-function deconvolution

Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Depth (km) 5 4 3 2 1 0 Figure 2: Migration velocity model for the land survey built by ray-based tomography. Figure 3: The PSFs for the land survey...

Extended Elastic Impedance (EEI) Approach for Telisa Sandstones Reservoir Characterization Case Study: Lambda-Mu-Rho (LMR) Analysis

Antoni Bahar MH, Ari Setiawan, Syahrial Rakimi, Yudi Yanto

Indonesian Petroleum Association

... relationship between sonic velocity and density expressed as a constant Gardner’s parameter). The EI function (Equation 1) was then modified (Whitcombe et al...

Slope estimation of locally coherent events by polarization analysis of multi-component seismic data: Application to stereotomography for sparse node acquisition

Xiaole Zhou, Alessandra Ribodetti, Stephane Operto

International Meeting for Applied Geoscience and Energy (IMAGE)

... are the coordinates of the scatterer points embedded in the sampling operator Qns,r . Equation 6 defines the source slopes ps,ns,r in the current velocity model...

Inferring Stratigraphy from Seismic Data

R. E. Sheriff

AAPG Bulletin

... decreases with depth, and hence resolution deteriorates with depth. At 10,000-15,000-ft (3,000-4,500 m) depth, velocity may be in the 12,000-20,000 ft/sec...

Challenges of Sub-Thrust Imaging Using Broadband Three-Dimensional Seismic Data: a Case Study in the Outer Banda Arc, Indonesia

Masamichi Fujimoto, Yonghe Guo, Anky Fatwa, Yuki Sasaki

Indonesian Petroleum Association

... prestack depth migration (PrSDM) velocity modeling and imaging were utilized for the study. The paper will describe the benefits of broadband seismic...

Optimization method of geometry and application based on Fresnel Gaussian beam forward modeling

Yang Jing, Yu Fuwen, Xu Xiaokun, Lv Shuang, Wang Xiangqian

International Meeting for Applied Geoscience and Energy (IMAGE)

... developed a forward method combining ray theory with wave equation [1].In 2006, Li Ruizhong introduced the advantage of Gaussian beam method...

Gamma Ray Logs: Chapter V

George B. Asquith, Charles R. Gibson

AAPG Special Volumes

... from Schlumberger, 1974). [EQUATION] Where: IGR = gamma ray index GRlog = gamma ray reading of formation GRmin = minimum gamma ray (clean sand...

Pore-scale electrical numerical simulation and new saturation model of fractured tight sandstone

Qian Wang, Maojin Tan, Chengwen Xiao, Siyu Wang, Chuang Han, and Lingtan Zhang

AAPG Bulletin

.... The crossplot between cementation exponent (m) and fracture dip (α) is shown in Figure 8F. A linear equation is found between them: Figure 8...

Core-Calibrated Multi-Mineral Interpretation in Reservoirs with Complex Mineralogy

Mathilde Luycx, Brent Wheelock, Hanatu Kadir, Emmanuel O. Oyewole, Olabode Ijasan, Darren McLendon

Unconventional Resources Technology Conference (URTEC)

...e to determine constituent volume fractions 𝑣 𝑖 at each depth 𝑘 by solving equation (1) given a set of input log measurements ̃ . In these workflows, the us...

Abstract: Recent Advances in Mapping Deep Permafrost and Gas Hydrate Occurrences using Industry Seismic Data, Richards Island Area, Northwest Territories, Canada; #90171 (2013)

Gilles Bellefleur

Search and Discovery.com

... travel-time data is a non-linear problem since both the velocity of the medium and the ray paths in the medium are unknown. The final solution is typically...

Abstract: Recent Advances in Mapping Deep Permafrost and Gas Hydrate Occurrences using Industry Seismic Data, Richards Island Area, Northwest Territories, Canada; #90171 (2013)

Gilles Bellefleur

Search and Discovery.com

... travel-time data is a non-linear problem since both the velocity of the medium and the ray paths in the medium are unknown. The final solution is typically...

Numerical modeling of PP and PS reflections in DAS VSP

Joseph J. Cherayil, James L. Simmons

International Meeting for Applied Geoscience and Energy (IMAGE)

.... In Equation 2, the strain rate can be calculated using the gauge length and differences in the particle velocity between points on the DAS fiber, where ε...

Organic Carbon in Bakken Formation, United States Portion of Williston Basin

James W. Schmoker , Timothy C. Hester

AAPG Bulletin

... Formation as well as typical depth and thickness ranges. The upper and lower shale members are identified by their high gamma-ray intensity and high...

Untapping a behind Casing Hydrocarbon Potential by Integrating Well and Seismic Data with Static Model: Case Study in the Lower Lemat Formation in South Sumatera Basin

Muhamad Ardhian Bayu Aji, Bakhtiyar Irfan Alfani, Ilyas Anindita, Muchamad Ocky Bayu Nugroho

Indonesian Petroleum Association

...). Gamma ray logs are used to calculate shale volume using a linear method because the results obtained are more suitable if validated using mud log data...

Fluvial Environments and Paleohydrology of the Upper Morrow 'A' (Pennsylvanian) Meander Belt Sandstone, Beaver County, Oklahoma

Frank G. Cornish

Oklahoma City Geological Society

... (1973) derived an equation relating width and depth for streams with a sinuosity greater than 1.7. This equation determines an acceptable range of width...

Abstract: 3D muti-scale tomography: A case study from Oklahoma mountain front, Elive Menyoli, #90097 (2009)

Search and Discovery.com

High-resolution ultrasonic measurements as proxies to resolve clastic reservoir heterogeneity in a salt-cemented gas reservoir

Claudio Miro Filomena, Harald Stollhofen, Kees van Ojik

AAPG Bulletin

.... (1980) suggest almost linear p-wave velocity to porosity relations (Vernik and Nur, 1992; Dvorkin and Nur, 1998). However, the direct sonic velocity...

Seismic Interpretation I and II--Recent Advances in Seismic Exploration: ABSTRACT

Ray L. Sengbush

AAPG Bulletin

...Seismic Interpretation I and II--Recent Advances in Seismic Exploration: ABSTRACT Ray L. Sengbush 1973 804 804 57 4. (April) This capsule review...