Geological Applications of Reservoir Engineering Tools: PART 1

John Farina

AAPG Special Volumes

... changes moves into a formation at a well-defined velocity. -- The distance the transient has moved at any time is called depth of investigation...

Abstracts: Converted Wave Processing in the EOM Domain; #90173 (2015)

Thais A. Guirigay and John B. Bancroft

Search and Discovery.com

... be redefined as: . (8) From the equation (8), he varies with the trace geometry hs, and hr, but also varies with depth velocity Vc(zo), as Vp can also...

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...

Abstract: Near Surface Anomalies and Solutions; #90211 (2015)

Todd Mojesky, David LeMeur, and Ali Karagul

Search and Discovery.com

... incorporates turning-ray tomography into its inversion engine. The near surface medium is divided into cells (grids), and a velocity is inverted uniquely...

Reservoir Characterisation Study: Inter Well Reservoir Property Prediction and Mapping by Petrophysics Data and Seismic Data Integration

Robi Junipa, Michel Bee

Indonesian Petroleum Association

... seismograms as a guide. • Third, a velocity model is built. Comprehensive iterative velocity models were created based on the final time-depth...

Structural and Tectonic Evolution of Oceanic Crust within the Jurassic Quiet Zone, Offshore Morocco: Chapter 14: African and Mediterranean Margins

James S. Holik, Philip D. Rabinowitz

AAPG Special Volumes

... sec. Vrms were converted to Vint using the Dix equation (Dix, 1955). The solutions were forward modeled by constant-velocity ray tracing and compared...

Standard Interpretation: Part 4. Wireline Methods

Mark Alberty

AAPG Special Volumes

... minerals. Method The two most frequently used methods of estimating shale volume from the gamma ray log are the linear and the nonlinear estimators...

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...

Prestack Depth Imaging Within the Makassar Straits, Eastern Kalimantan, Indonesia

Chris Willacy, Suryadi Oemar, A. Edy Hermantoro, Paul Gilleran

Indonesian Petroleum Association

... traveltimes which are used to generate an initial interval velocity via the Dix equation. CRP ray tracing of the velocity model produces synthetic...

Determination of Organic-Matter Content of Appalachian Devonian Shales from Gamma-Ray Logs

James W. Schmoker

AAPG Bulletin

... basin the organic-matter content of the Devonian shale can be estimated from gamma-ray wire-line logs using the equation: ^phgro = (^ggrB - ^ggr)/1.378A...

Seismic Static Corrections, Don W. Steeples and Gregory S. Baker, Search and Discovery Article #40047 (2002)

Search and Discovery.com

Estimate near-surface velocity with reversals using deep learning and full-waveform inversion

Yong Ma, Xu Ji, Weiguang He, Tong Fei

International Meeting for Applied Geoscience and Energy (IMAGE)

..., such as turning-ray tomography or first-arrival tomography (Zhu et al., 1992) cannot resolve the near-surface velocity reversals. ReLU Dense layer LSTM Time...

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...

Resolving DAS versus geophone discrepancies using the DAS transform: A comparative study from the CaMI CCS field research station, Alberta

Ali Sayed, Robert R. Stewart, Marie Macquet, Don Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

.... DSR data were scaled by the apparent velocity (𝑐 𝑎𝑝𝑝 ) using equation 2 in the f-k domain (Figure 2b). The scaling factors were capped at 8000 m...

An Inverse Approach for Relating Seismic Velocity and Overpressure to Permeability and Sedimentation History in Deep Basins, #40863 (2012)

Hector M. Moreno, Tim A. Minshull, Rosemary A. Edwards,

Search and Discovery.com

... evolution with depth and an empirical law for the permeability as a function of porosity. Model output has been used to estimate the P wave velocity...

Velocity Model Building Using Tilted Orthorhombic Depth Imaging for Full Azimuth Seismic Data

Yunfeng (Fred) Li, Qiaofeng Wu, Chuen-Song Chen

GCAGS Journal

...Velocity Model Building Using Tilted Orthorhombic Depth Imaging for Full Azimuth Seismic Data Yunfeng (Fred) Li, Qiaofeng Wu, Chuen-Song Chen...

Analytical and Numerical Studies of Sand Erosion in Electrical Submersible Pump (ESP) Systems

Saúl Gómez Díaz de Bonilla, Her-Yuan Chen

Unconventional Resources Technology Conference (URTEC)

... developed analytical equation to estimate the solid particle velocity. The methodology follows Finnie’s (1960) analytical erosion model, which provides...

Microseismic imaging with three-component borehole sensors

Jakob B. U. Haldorsen

International Meeting for Applied Geoscience and Energy (IMAGE)

... the vertical well. The second panel shows a horizontal section at the known depth of the sources, through the 3D ±2°"fat-ray" image cube at the depth...

Image - Rays and the Treatment of Inhomogeneity in Migration

L. Hatton

Southeast Asia Petroleum Exploration Society (SEAPEX)

... into depth. The only limiting factor is that very considerable uncertainty in velocity or reflector orientation may render the image-ray mapping stage...

Mapping Distribution of Sandstone and Seismic Multi-Attribute Analysis Using Linear Regression Method in the "RMS" Field, South Sumatra Basin

Clara Armiliany, Ryan Mulyadi Saragih, Aji Arif Sulaksono, Bagus Sapto Mulyatno, Ordas Dewanto

Indonesian Petroleum Association

... be indicated by the equation of the number of linear weights. P = w0+w1A1+...+wmAm (2) Where : wi = weight value of m + 1, where 1 = 0, ..., m The changed...

Computation of phase velocity direction using normalized wavefields

Kwangjin Yoon, Jungkyun Hyun

International Meeting for Applied Geoscience and Energy (IMAGE)

... is same to the ray direction which is proportional to the energy propagation and phase velocity direction is normal to the wavefront. Poynting vector...

Elastic Anisotropy of Source Rocks: Implications for Hydrocarbon Generation and Primary Migration

Lev Vernik , Charles Landis

AAPG Bulletin

.... (April) We combined acoustic velocities and anisotropy measurements with x-ray diffraction mineralogy, Rock-Eval organic geochemical analyses, vitrinite...

A Procedure for Computing the Lattice Constants of Some Crystal Systems

S. H. Chan

Geological Society of Malaysia (GSM)

... some simple transformations both equations (1) and (2) can be r~uced to a linear equation containing the unknown parameters which can then be computed...

Near-surface modeling by surface wave tomography inversion in oil and gas exploration

Wen Peng, Le Li, Zhonglin Cao, Guangying Wang, Pengfei Duan, Heng Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the ray path and travel time of the single frequency surface wave component, a tomographic inversion equation can be established to obtain a nearsurface...

Recursive Inversion and Attribute Analysis of 3D Seismic Data Over a Four-Way Dip Structure, Gulf of Thailand

S. Thanatit, S. Ronghe

Indonesian Petroleum Association

...) into component acoustic impedance values (product of density: ρ, and velocity: V) using the equation ρ2V2 = ρ1V1 [(1+R)/(1-R)] (Lindseth, 1979...