Evaluation of possible gas microseepage mechanisms

Alton Brown

AAPG Bulletin

... it cannot account for observed microseepage. In contrast, continuous gas-phase flow through frac tures can equal or exceed reported microseepage velocity...

Abstract: AVO Effects and Velocity Analysis; #90211 (2015)

Emil Blias

Search and Discovery.com

...Abstract: AVO Effects and Velocity Analysis; #90211 (2015) Emil Blias Datapages/Search and Discovery Article #90211 CSPG© 2015 CSPG/CSEG/CWLS...

A Workflow For Success in Shales

Ted Holden, John Pendrel, Fred Jenson, Peter Mesdag

GEO ExPro Magazine

... and a measure of the difference between the maximum and minimum velocity, data which helps determine drilling direction, well positioning and hydraulic fracturing...

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)

... and gas seismic exploration, a near-surface P-wave velocity model can be established using the P-wave first arrival tomography inversion. At the same...

Relationships Between Wave-Induced Currents and Sediment Grain Size on a Sandy Tidal-Flat

G.C. Malvarez, J.A.G. Cooper, D.W.T Jackson

Journal of Sedimentary Research (SEPM)

... influential hydrodynamic forcing factors operating on surficial sediments. Tidal flows influence the long-term evolution of tidal-flats because...

Application of acoustic anisotropic time-lapse full-waveform inversion at the Sleipner Field

Sea-Eun Park, Alexey Stovas, Hyeong-Geun Ji, Ju-Won Oh

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The terms n x and nz are unit vectors to represent the phase direction. elliptical anisotropy because it has a minor influence on the data (Alkhalifah...

West Muiron Discovery, WA-155-P - New Life for an Old Prospect

Lorraine Mitchelmore, Neville Smith

Petroleum Exploration Society of Australia (PESA)

... Tracing seismic attribute analysis model showing the influence of velocity variations on the seismic record. The Base Muderong amplitude anomaly...

A Hydrodynamic Classification of Grain Shapes

J.P. Le Roux

Journal of Sedimentary Research (SEPM)

... of pebble size and shape in sorting by waves: Sedimentary Geology, v. 4, p. 89-101. COREY, A.T., 1949, Influence of shape on the fall velocity of sand...

Stress-Dependent Permeability and Dynamic Elastic Moduli of Reservoir and Seal Shale

Daisuke Katsuki, Anton Padin Deben, Olawale Adekunle, Andrew J. Rixon, Azra N. Tutuncu

Unconventional Resources Technology Conference (URTEC)

.... The temperature was maintained at 40 oC with ±0.3 degree C of accuracy during the testing to minimize the influence of temperature disturbance...

Dip or Strike? … Complimenting Geophysical Sampling Requirements and Acquisition Efficiency for Towed Streamer Marine Seismic

Martin Bayly, Low Cheng Foo, Michelle Tham, M Nabil El Kady, Saeeda Hydal, Thomas Olanrenwaju Ajewole, Nigel Seymour, Satyabrata Nayak, Bidyut Chowdhury, M Faizal Idris, Sandeep K Chandola, M Iqbal Supardy

Indonesian Petroleum Association

..., dimensions, and vicinity to no-access areas or exclusion zones, all influence the direction of acquisition and consequently the ability to meet...

Ooids as Archives of Past Conditions

Search and Discovery.com

Abstract: Case Study of the Effect of Grid-Search Objective Function in Microseismic Source Location; #90255 (2017)

Luolan Li, Yuyang Tan, Chuan He, Pan Deng

Search and Discovery.com

... ones. Finally, the influence of the velocity model and source location has also been examined, and the results show that these two factors have limited...

Secondary Current of Saline Underflow in a Highly Meandering Channel: Experiments and Theory

Jorge D. Abad, Octavio E. Sequeiros, Benoit Spinewine, Carlos Pirmez, Marcelo H. Garcia, Gary Parker

Journal of Sedimentary Research (SEPM)

.... The two forces cannot balance locally, however, due to the variation of the streamwise velocity in the vertical direction. The force balance...

Seismic Stratigraphy and Structure of the Lower Paleozoic, Central Alberta Lithoprobe Transect

James R. Dietrich

CSPG Bulletin

... the influence of Precambrian crystalline basement on Upper Devonian carbonates in central Alberta from a geophysical perspective. Bulletin of Canadian...

Deposition of Sand by Suspension Currents: Experimental and Theoretical Studies

J. K. Ghosh, B. S. Mazumder, M. R. Saha, Supriya Sengupta

Journal of Sedimentary Research (SEPM)

... direction, caused "partly due to loss of larger grains, leaving only smaller ones to be dropped, and partly to decreasing velocity and increasing...

3D Model-Driven Subsurface QC of 4D Acquisition

Andrew Long, Bingwen Du, Barbara Kajl

Petroleum Exploration Society of Australia (PESA)

... d uring p rocessing w ill often be prob lematic w hen the base a nd mo nitor sail lines are shot in the opposite direction. No syste matic influence...

Seismic Stratigraphy and Global Changes of Sea Level: Part 5. Chronostratigraphic Significance of Seismic Reflections: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation

P. R. Vail, R. G. Todd , J. B. Sangree

AAPG Special Volumes

... that have velocity or density contrasts across them will influence the seismic reflections. In most sedimentary sections there are ample variations...

Modelling of Drift of Nearby Icebergs Using Wind and Current Measurements at a Fixed Station

E. D. Soulis

CSPG Special Publications

... to induce a component of berg velocity, 4% of the wind speed and 25° to the right of its direction. Although this is a higher speed, the change...

The Influence of Mechanical Stratigraphy on the Evolution of the Papua New Guinea Fold and Thrust Belt, #51659 (2020).

Youseph Ibrahim, Patrice Rey, Luke Mahoney,

Search and Discovery.com

.... The base of the model moves freely in the X direction but not in the Y direction. In subsequent models, we tested the influence of an isostasy-like boundary...

Casing Deformation Risk Prediction with Numerical Simulation During Hydraulic Fracturing in Deep Shale Gas Reservoirs

Jianfa Wu, Xuewen Shi, Qiyong Gou, Ersi Xu, Dongjun Zhang, Xiaoxu Ren, Ting Yu, Kehan Wu, Yanming Tong, Lipeng Wang, Adrian Rodriguez-Herrera

Unconventional Resources Technology Conference (URTEC)

... are often developed in subsurface and influence the in-situ stresses. So, it needs to fully consider the effects of the multi-scale natural fractures when...

Available Methods for the Analysis of Vectorial Data: DISCUSSION

Ronald Green

Journal of Sedimentary Research (SEPM)

.... STEINMETZ, R., 1962, Analyses of vectorial data: Jour. Sedimentary Petrology, v. 32, p. 801-812. WATSON, G. S., 1956, Analysis of dispersion on a sphere...

Determination of Drag Coefficients in Measuring Particle Diameters

Weinan Chen

Journal of Sedimentary Research (SEPM)

...: New York, McGraw-Hill, 725 p. WILSON, L., AND HUANG, T.C., 1979, The influence of shape on the atmospheric settling velocity of volcanic ash particles...

ABSTRACT Architectural Analyses of Laterally Accreting Paleoforms in the Cretaceous Eagle Formation, South-Central Montana, #90125 (2011)

Carter Ryan M., Hauer Jorn, Staub Jim, Hofmann Michael H., Hendrix Marc S.

Search and Discovery.com

... and use of this data to determine the relative influence of fluvial vs. tidal processes on sedimentation. Facies and architectural analyses were performed...

ABSTRACT Architectural Analyses of Laterally Accreting Paleoforms in the Cretaceous Eagle Formation South-Central Montana, #90126 (2011)

Carter Ryan M., Hauer Jorn, Staub Jim, Hofmann Michael H., Hendrix Marc S.

Search and Discovery.com

... and use of this data to determine the relative influence of fluvial vs. tidal processes on sedimentation. Facies and architectural analyses were performed...

Prediction of Petrophysical Properties of Trenton-Black River (Ordovician) Reservoirs by Comparing Pore Architecture and Permeability to Sonic Velocity; #50508 (2011)

John E. Thornton and G. Michael Grammer

Search and Discovery.com

... (measures of pore architecture) are calculated Carbonates have varying pore types that influence permeability Eberli, 2000 Velocity versus Porosity...