Porosity Determination by 3D High-Resolution X-Ray Computed Microtomography and Its Correlation with Gas Adsorption Technique; #40509 (2010)

Inaya Lima, Milena Oliveira, Paula Rocha, Francisco Souza, Carlos J. Abreu, and Ricardo Lopes

Search and Discovery.com

...) (1) In Equation 1, Io is the X-ray incident; I is the X-ray transmitted by the samples;  is the linear attenuation coefficient of the sample...

Porosity Determination by 3D High-Resolution X-Ray Computed Microtomography and Its Correlation with Gas Adsorption Technique; #40509 (2010)

Inaya Lima, Milena Oliveira, Paula Rocha, Francisco Souza, Carlos J. Abreu, and Ricardo Lopes

Search and Discovery.com

...) (1) In Equation 1, Io is the X-ray incident; I is the X-ray transmitted by the samples;  is the linear attenuation coefficient of the sample, and x...

Definition, Identification, and Measurement of Normal and Abnormal Subsurface Pressures

Donald J. Timko, Lloyd C. Fons, William K. Grittman, Forest B. Rees

Houston Geological Society

... exerted by a column of drilling mud: WHERE:P=hydrostatic pressure, psi wt=fluid density ("weight"), lb/gal D = vertical depth, ft Equation 2...

ADMM-based full-waveform inversion of ground-penetrating radar data

A. Jalali, H. S. Aghamiry, A. Gholami

International Meeting for Applied Geoscience and Energy (IMAGE)

... we seek the subsurface parameters that best explain the recorded waveforms. As a partial differential equation (PDE), constrained, non-linear...

Application of distributed fiber optic and borehole-surface jointly acquired seismic data in high-resolution processing of conventional seismic

Zhanqing Yu, Cheng Wang, Miao Kun

International Meeting for Applied Geoscience and Energy (IMAGE)

... on the ray or by the wave equation method based on the wave field extension, and can be modeled in the time domain or the depth domain (Leaney,W.S....

Abstract: The Fallacy of Simple Geology: a Case for Depth Imaging All 3-D Data, by J. A. Young; #90090 (2009).

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Geological evaluation of suprasalt carbon storage opportunities in the Silverpit Basin, United Kingdom Southern North Sea

A. D. Hollinsworth, I. de Jonge-Anderson, J. R. Underhill, and R. J. Jamieson

AAPG Bulletin

... and their depth conversion using a seven-layer velocity model provides the basis for a new theoretical CO2 storage capacity model that incorporates volumetric...

ABSTRACT: Depth Conversion: Application and Verification of Depth Conversion of 3D and 2D Seismic Data - Case Histories, by J. E. LaFrenier and J. Dunkelberg; #91021 (2010)

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A core calibrated log model workflow for shale gas and tight oil reservoirs

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Advanced Approach Toward Understanding Geologically Complex Area Using MDRS (Multi-Dip CRS): A Case Study

Naoshi Aoki, Shogo Narahara, Akihisa Takahashi, Tsukasa Nishiki

Indonesian Petroleum Association

... the source-receiver offset and the midpoint coordinate. In the equation, α represents the emergence angle of ZO ray; KN and KNIP are curvatures...

Some Innovations in Quick Look Log Analysis*

Earl W. Sutton

Southeast Asia Petroleum Exploration Society (SEAPEX)

... the format used for the 1:500 depth scale presentation. All of the curves are recorded on a linear grid. The sonic scale is 5 micro secs/ft. per log...

A Comprehensive Approach to Depth Imaging in Thrust Belt Environments

Ron Schmid, Brian Link, Patrick Butler

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... of 3D prestack depth migration. This paper pursues this suggestion by applying a novel velocity analysis approach, and prestack depth migration...

Do Gas Hydrates Occur in Alaminos Canyon, Gulf of Mexico?

Brian C. Tost, Ann E. Cook

Unconventional Resources Technology Conference (URTEC)

... Equation 3. Formation density is necessary for modeling velocity and generating synthetic seismograms. Density is calculated using the modeled...

3-D High-Resolution Reservoir Characterization from Crosswell Seismic Data

John Washbourne, Kenneth Bube

West Texas Geological Society

... of the tomogram. b)Velocity tomogram after one continuation step and three non-linear inversions. c)Velocity tomogram after two continuation steps and seven non...

Difference in overpressure environments for the western and central deep-water Gulf of Mexico

Sharon Cornelius and Peter A. Emmet

AAPG Bulletin

... velocity section from which a velocity versus depth plot can be derived (Shykhaliyev et al., 2010). Many terms are used describe subsurface pressure...

Fit For Purpose Integrated Structural Identification Using Azimuthal Monopole Sonic Waveforms and Vertical Seismic Profiling: The First Case Study From The Vertical Unconventional Well in North Sumatera Basin - Indonesia

Erfandi Adhiansyah, Annisa Nur Mahdiya, Murthala Hatta, Irma Eliza, Barry Albert Lumankun

Indonesian Petroleum Association

... of the source offset. The process for producing the image involved building a velocity model. The velocity was derived from the time-depth relationship...

Time-Lapse Seismic Monitoring of Individual Hydraulic Frac Stages Using a Downhole Distributed Acoustic Sensing Array

Gary Binder, Aleksei Titov, Diana Tamayo, James Simmons, Ali Tura, Grant Byerley, David Monk

Unconventional Resources Technology Conference (URTEC)

... channels towards the heel from the stage port for all 78 stages. This enables a coordinate transformation from measured depth along the well to ray path...

Petrophysical Evaluation of a Slope Fan/Basin-Floor Fan Complex: Cherry Canyon Formation, Ward County, Texas (1)

DAVID R. SPAIN

AAPG Bulletin

...) Logarithmic Resistivity-Linear Porosity (Hingle Plot) Method Archie's equation relates water saturation and resistivity through the formation factor, F...

Difficult Lithologies: Part 4. Wireline Methods

Khaled Hashmy, Mark Alberty

AAPG Special Volumes

... equations and the measured logs. The equations are not required to be strictly linear, although as the response equation become somewhat nonlinear, the search...

THE RENAISSANCE OF GRAVITY

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Abstract: Determining the Structure of Basalt Flows with Wide-Angle Seismic Data, by M. M. Fliedner, R. S. White, and J. Fruehn; #90923 (1999)

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Deep Pore Fluid Pressure Prediction in Challenging Areas, Malay Basin, SE Asia

Stephen O’Connor, Richard Swarbrick, Jamaal Hoesni, Richard Lahann

Indonesian Petroleum Association

... a distinctive curvature of the profile with depth where velocity increases more rapidly relative to density (Gardner or Bowers relationships for shales...

A quantitatively determining gas saturation method by pulsed neutron logging technique in complex cased borehole

Guiping Xiao, Feng Zhang, Jilin Fan, Fangwei Tang, Wei Zheng Shang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... And then, the inelastic gamma-ray generated in the R can be represented: Nine(R)  i in S0 e Rs  e  R ( )   s 4 R 2 (2) Where  is the linear...

2-D and 3-D Prestack Depth Migration for Complex Geologic Structures Offshore Indonesia

M. Murphy, R. Ottolini, R. Estill, E. Lumadyo, M. Mathias

Indonesian Petroleum Association

... due to more accurate interval velocities and structural geometry resolution. 3-D prestack depth migration provides better migration velocity analyses...

A Holistic Approach to Model-Building in and Around Injectites: A Case-Study Offshore Norway, , #42193 (2018).

Victoria Valler, Nathan Payne, Thomas Hallett, Marcin Kobylarski, Girish Venkatraman, Jochen Rappke, Dirk Fairclough

Search and Discovery.com

... in preparation for following GMO picking and high-resolution tomography. Figure 2. Inline stack section in depth with interval velocity overlay...