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The AAPG/Datapages Combined Publications Database
Showing 36,608 Results. Searched 195,452 documents.
A Semi-analytical Solution of the Induced Stress Change in a Layered Reservoir Based on the Stress Formulation
Shihao Wang, Yanbin Zhang, Ouassim Khebzegga, Bin Wang, Zhe Liu, Xian-Huan Wen
Unconventional Resources Technology Conference (URTEC)
... to predict the stress variation due to pressure change in a layered reservoir. Our method is based on the extended BeltramiMichell equations for poroelastic...
2022
New Insights on Natural Hydraulic Fractures Induced by Abnormally High Pore Pressures
Terrell W. Miller
AAPG Bulletin
... and fracturing would account for a fracture opening frequency of 1 mm/m. As will be shown in following sections of this paper, the governing equations used...
1995
A New Computational Model to Predict Breakdown Pressures in Cased and Perforated Wells in Unconventional Reservoirs
Mohammed Kurdi, Hamid Roshan
Petroleum Exploration Society of Australia (PESA)
... of perforation. As seen from equations (7), two of the shear stresses are zero while the third shear stress is nonzero. This means that the normal...
2018
Abstract: Calculation of Amplitude and Velocity in General Anisotropic Media; #90224 (2015)
M. Malehmir and D. R. Schmitt
Search and Discovery.com
... of the Christoffel-Kelvin equations. Continuity of traction and displacements are the two boundary conditions that are solved to give the amplitudes of re...
2015
Using Multi-Focusing 3-D Diffraction Imaging to Predict Fracture Swarms in Unconventional Reservoirs
Marianne Rauch-Davies, Alex Berkovitch, Kostya Deev
Unconventional Resources Technology Conference (URTEC)
...-moveout equations expresses the time shifts with respect to a zero-offset trace in terms of three parameters: ( R ) 2 2R X sin (X...
2013
Functions of Distribution of the Coefficient of Porosity in Clastic Rocks of the Devonian of Bashkiria
M. M. Sattarov, Ye. A. Andreyev
Petroleum Geology: A Digest of Russian Literature
..., the distribution of porosity for stratum DII of the Serafimovka field is close to normal. For strata DI and DII of the Tuymazy field the curve...
1966
Estimation of Total Organic Carbon (TOC) Content of Shale from AVO Inversion: A New Crossplot Approach Based on Zoeppritz Equations
Un Young Lim, Richard Gibson Jr., Nurul Kabir
Unconventional Resources Technology Conference (URTEC)
...Estimation of Total Organic Carbon (TOC) Content of Shale from AVO Inversion: A New Crossplot Approach Based on Zoeppritz Equations Un Young Lim...
2019
The Role of Positive Feedback in the Development of Internal Oscillations for a Simple, Tightly Coupled, Nearshore Depositional Model
Brian S. Penn, John W. Harbaugh
Special Publications of SEPM
... consists Mantle conveclion is nol taken inlo of three simple empirically derived equations modeling a single conlinent surrounded by a depositional...
1999
Size Frequency Distributions of Sediments and the Normal Phi Curve
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
...Size Frequency Distributions of Sediments and the Normal Phi Curve W. C. Krumbein 1938 Vol. 8 No. 3. (December), The substitution of a logarithmic...
1938
Curvature of Equipotential Surfaces
M. M. Slotnick
AAPG Bulletin
... the lines tangent to S at P lie. The straight line perpendicular to this plane at P is the normal to the surface S at that point. COORDINATE SYSTEM We now...
1932
Quick Estimation of Pebble Volumes: RESEARCH METHOD PAPER
Soren B. Dorr
Journal of Sedimentary Research (SEPM)
..., 1954, The distribution of the ratio in a single normal sample: Biometrika, v. 35, p. 482-493. DICKINSON, W.R., AND RICH, E.I., 1972, Petrologic...
1994
Abstracts: AVO Analysis of 3-D/3-C Datasets from Weyburn CO2 Storage and Monitoring Project; #90173 (2015)
Le Gao and Igor Morozov
Search and Discovery.com
..., and at the same time, they contain the information about the S-wave reflectivity. Many theoretical models were established based on AVO equations...
2015
Abstract: Permeability Calculations in Unconsolidated Sands; #90224 (2015)
Saeed Taheri, Shahin Ghomeshi, Apostolos Kantzas
Search and Discovery.com
... is laminar and steady, It is not taken into account velocity components normal to the tube’s axes, Fluid is Newtonian and incompressible...
2015
Use of a Dual-Continuum Approach for Modeling Coupled Hydro-mechanical Processes of CO2 Injection at In Salah, Algeria; #80114 (2010)
Hui-Hai Liu and Jonny Rutqvist
Search and Discovery.com
... approach for coupled hydromechanical processes A new stress-strain relationship Governing equations Effective parameters • Simulation of injection...
2010
The modeling and simulation of Scholte wave propagation at fluid-solid interface
Zhiliang Wang, Rong Huang, Guojie Song
International Meeting for Applied Geoscience and Energy (IMAGE)
... in equations (1) and (3). In inviscid fluid, the tangential component of the displacement is discontinuous, but the normal component...
2023
A Review of the Methods of Detection and Estimation of Geopressure from Well Logs
Leonel L. Saavedra
Bulletin of South Texas Geological Society
... sediments, the “normal” hydrostatic pressure will be maintained. From previous studies in the Texas-Louisiana Gulf Coast, it has been shown...
1985
Parson's Model Modification to Describe the Aperture/Closure Behavior of Naturally Fractured Systems; #41932 (2016)
E. A. Lopez, A. Naranjo, J. M. Mejia
Search and Discovery.com
... a combination of both Parson’ and Pedrosa’s models. The new Parsons model is expressed in terms of normal effective stress acting on the natural fracture system...
2016
Subsurface Fault Throw: A Discussion
Emile Rod
Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)
.... Banks introduces some “Throw Equations” because, as it seems, he thinks that the “throw concept is best understood if it is expressed mathematically...
1959
Long-Offset Approximations to NMO Function for a Layered Subsurface
E. Blias
Search and Discovery.com
...: t 2 ( x) c0 c1 x 2 c2 x 4 c3 x 6 ... (B) 2 where c0 T02 , c1 1 VRMS . Equations (B) can be obtained by squaring equation (A). Formula (B...
Unknown
Long-Offset Approximations to NMO Function for a Layered Subsurface
E. Blias
Search and Discovery.com
...: t 2 ( x) c0 c1 x 2 c2 x 4 c3 x 6 ... (B) 2 where c0 T02 , c1 1 VRMS . Equations (B) can be obtained by squaring equation (A). Formula (B...
Unknown
Regression Models for Faulted Structural Surfaces
W. R. James
AAPG Bulletin
... with respect to the coefficients, the minimum is found by solving the set of simultaneous linear equations (the "normal" equations) which result from...
1970
Seismic Velocity Variations in San Joaquin Valley, California
Walter S. Olson
AAPG Bulletin
... but an examination of the regional maps shows that the Greeley-Rio Bravo-Wasco trend has higher velocities than normal for its position in the valley. The effect...
1941
Paleohydraulic Interpretation of Antidune Bedforms with Applications to Antidunes in Gravel
John Shaw , Rolf Kellerhals
Journal of Sedimentary Research (SEPM)
... is the normal way of plotting equations 2 to 5, appears to indicate that there is little difference between the four equations in the range of Froude...
1977
Geopressure Calculations in Real-time to Calibrate Operation Windows, #41931 (2016).
Carlos Martinez, Franklig Rodriguez, Edwin Hernandez, Edgar Gonzalez, Luis Corrales, Concepcion Isidro, Adrehny Leon
Search and Discovery.com
... for the calibration of pseudo-sonic registration salt and Cretaceous formation where equations of Faust and Smith did not fit. The coefficients of the equation...
2016
L. Van Bendegom: A Neglected Innovator in Meander Studies
J. R. L. Allen
Dallas Geological Society
..., and frequently unstable streams. Unaware of the work of Van Bendegom (1947) and NEDECO (1959), Yen (1970) wrote out the equations of motion of a near...
1977