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The AAPG/Datapages Combined Publications Database
Showing 34,502 Results. Searched 200,616 documents.
Stress Changes and Coal Failure Analysis in Coal Seam Gas Wells Accounting for Matrix Shrinkage: An Example from Bowen Basin, East Australia
Mohammadreza Zare Reisabadi, Manouchehr Haghighi, Abbas Khaksar
Unconventional Resources Technology Conference (URTEC)
... than one due to the matrix shrinkage effect of coal seams with depletion. Production from these reservoirs will significantly alter the effective...
2019
Stress-Dependent Permeability and Porosity of Coal
Chester R. McKee, Amar C. Bumb, Robert A. Koenig
Rocky Mountain Association of Geologists
... for this effect by incorporating the function for exponentially declining pore compressibility in equation (A-5). 19BB-COAL·BED METHANE, SAN JUAN BASIN 1000...
1988
Pattern Recognition in a Digital Age: A Gameboard Approach to Determining Petrophysical Parameters
Daniel A. Krygowski, Robert M. Cluff
Unconventional Resources Technology Conference (URTEC)
... in a reservoir, can now instead be used to determine the parameters needed in Archie’s (1942) water saturation equation, so that the parameters...
2013
Confinement Facilitates Wetting Liquid Slippage through Mixed-wet and Heterogeneous Nanoporous Shale Rocks
Dian Fan, Wendong Wang, Amin Ettehadtavakkol, Yuliang Su
Unconventional Resources Technology Conference (URTEC)
... in Equation (16). 𝜆4 is the slippage factor. To characterize the slippage effect in a tortuous and rough pore, we modify the slippage factor in Equation...
2019
Clay Minerals and Petroleum-Forming Reactions During Burial and Diagenesis
William D. Johns , Akira Shimoyama
AAPG Bulletin
...) In effect this equation simulates a situation where a pelitic sediment is held at a temperature T for a period of time necessary for the chosen subsidence...
1972
Transitional Flow Regimes in Multi-Fractured Horizontal Wells
Shail Apte, W. J. Lee
Unconventional Resources Technology Conference (URTEC)
...) There is no gravity effect and the flow inside the reservoir is laminar Now to transform the above Cartesian diffusivity equation into elliptical co...
2016
Abstract: P-wave AVAz Modeling: A Haynesville Case Study; #90224 (2015)
Jon Downton
Search and Discovery.com
... Background media, the effect of pore fluids using the anisotropic Gassmann equation, or added complexity due to multiple fractures. Conclusions This paper...
2015
Aspects of Vertical Multiphase Flow Determination and Calculation Procedure in South Palembang District Oil Wells
Okti Barmi, M. Assegaf
Indonesian Petroleum Association
... equation. Continued improvement in these efforts will permit much greater accuracy for absolutely clean tubing strings. Actual situations in South...
1983
Biogenic Contribution of CO2 in Alpine Weathering
Paul Mankiewicz , Robert E. Sweeney
Journal of Sedimentary Research (SEPM)
... to the effect of chloride and sulfate dissolution on the calculations of 13LS in equation (12). The concentrations of sulfate (0.04 meq/l) and chloride...
1977
Geometry and Kinematics of Single-Layer Detachment Folds
Josep Poblet, Ken McClay
AAPG Bulletin
... of these mechanisms (see AAPG Datashare, Data 5): [EQUATION (1)] [EQUATION (2)] where u is the uplift; Lb, Lf, and Lt are the backlimb, forelimb...
1996
Microhole Drilling with Coiled Tubing: It's Here and Growing
Dwight Rychel, Lynn Watney, Kent Perry, Roy Long
PTTC
... Surface • 1976 Flextube drills 6 grass roots wells in Alberta to 2,000 ft with coil made from welded sections • 1995 Halliburton and AMOCO drill two 8 well...
2006
Developments in Well Stimulation and Slim-Hole Technology - Workshop Summary
Jerry Griffith, William McDonald, Gary Kuecker, Dan Pepe, Albert Banahene, Richard Lueck
PTTC
... a fish and when jarring on a fish, the same section of coil is repeatedly pulled across the goose neck. This may cause the coiled tubing to become...
2000
Some Features of Redbed Bleaching
Gail F. Moulton
AAPG Bulletin
... be determined by qualitative methods. Some of this oxide was pulverized and put in a hard glass tube heated by an electric coil. Vapors of crude oil from...
1926
Rock Physics Guided Velocity Modeling and Reverse-Time Migration for Pore Pressure Prediction and Depth Imaging in Complex Areas
Nader C. Duta, Sherman Yang, Yangjun (Kevin) Liu, Lawrence Cho, Jie Cui
Indonesian Petroleum Association
.... We illustrate the workflow with two examples: one a data set from the Stampede Area of the Gulf of Mexico (Green Canyon; REV II multiclient Dual Coil...
2015
Hammering Tool Application for Shifting Open Formation Isolation Valve Seated in the Hi-angle Subsea Well in Offshore Bali - Indonesia
Ida Bagus Ari Kresnawan, Toru Aoki, Panca Suci Widiantoro, Imania Mustika Purwitaningtyas, Pratama Bayu Artha
Indonesian Petroleum Association
... did not effect on the required load to open and close the valve. On the post well testing period, the well was full of produced gas therefore...
2019
Tailor-Made Polymer Friction Reducers for Sustainable Development of Unconventional Oil & Gas Reservoirs
Juan M. Giussi, Roque Dietrich, Lila Arias, Sofia Rivelli, Gerardo Martinez, Juan Jose Romero, Rodrigo Medina, Eduardo Bortolli, Juan Lesbegueris, Isabel Vega
Unconventional Resources Technology Conference (URTEC)
... presence results in decreased viscosity values more pronounced respect to physical ligands presence. PFR 6 demonstrates a synergistic effect...
2023
Capillary Pressure: Part 5. Laboratory Methods
Charles L. Vavra, John G. Kaldi, Robert M. Sneider
AAPG Special Volumes
... of the nonwetting (nw) and wetting (w) phases (right). End_Page 221------------------------ pressure can be calculated as follows: [EQUATION] where w...
1992
Modification to the Hardisty Equation, Regarding the Relationship Between Sediment Transport Rate and Particle Size
Ya Ping Wang , Shu Gao
Journal of Sedimentary Research (SEPM)
...Modification to the Hardisty Equation, Regarding the Relationship Between Sediment Transport Rate and Particle Size Ya Ping Wang , Shu Gao 2001 118...
2001
Analysis of Factors Affecting Quantitative Estimates of Organism Abundance
Louis S. Kornicker
Journal of Sedimentary Research (SEPM)
... weight samples of recent sediment show that kinds of minerals forming the sediment have little effect on abundance distribution patterns determined...
1959
Abstract: Macro-velocity Model Building in a Laplace-domain Waveform Inversion; #90174 (2014)
Changsoo Shin and Wansoo Ha
Search and Discovery.com
... smooth in real-data inversions. First, we review the Laplace-domain inversion and Cagniard deHoop’s method to solve the scalar wave equation. Then we...
2014
Abstract: Time-Lapse FullWaveform Inversion Application To Seismic Monitoring Of CO2 Sequestration; #90224 (2015)
Wubshet Alemie
Search and Discovery.com
... timelapse full waveform inversion (Lin et al., 2012) but with different parametrization. Note that TV-Regularization has an effect of edge preserving...
2015
Uncertainty Analysis in Well-Log and Petrophysical Interpretations
William R. Moore, Y. Zee Ma, Jim Urdea, Tom Bratton
AAPG Special Volumes
..., The distribution of shale in sandstones and its effect upon porosity: Society of Petrophysicists and Well Log Analysts 16th Annual Logging Symposium...
2011
Bioreactor for Carbon Capture: Model and Explanation
Michael Anggi Gilang Angkasa, Muhammad Muflikh Marsetyo, Suryo Adi Putranto
Indonesian Petroleum Association
... there is an effect of reaction speed (rA). So the equation of state for the change in reaction over time : d Ca dt = (qf x Caf)−(q x Ca) V Ca V dV dt...
2022
Detecting Reservoir Compartmentalization from the Mixing Time-Scales of 87Sr/86Sr Isotope Ratio Variations in Oilfield Formation Waters; #40967 (2012)
Jason Go, Craig Smalley, and Ann Muggeridge
Search and Discovery.com
... be estimated using new equation barrier lengths effect of water saturation on time-scale effect of heterogeneity on time-scale • Non-reservoir...
2012
Analysis of Casing Deformation in Different Unconventional Areas with a Comprehensive Approach in the Study
Brian Espindola, Antonio N. Romero, Maria J. Rodríguez, Romina D. Sosa Luna, Mauro I. Weimann, Rosario D. Velo, Rodrigo A. Escobar, Fernando Suarez, Miguel S. Pucho, Nicolas Gonzalez, Andrea V. Ferrara, Rocío L. Roth
Unconventional Resources Technology Conference (URTEC)
..., because the deformation features are much more visible in this mode than in the centralized data, thanks to the tool eccentricity “effect of the caliper...
2023