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The AAPG/Datapages Combined Publications Database
Showing 34,496 Results. Searched 200,673 documents.
Physics-Driven Optimization of Drained Rock Volume for Multistage Fracturing: Field Example from the Wolfcamp Formation, Midland Basin
Sergei G. Parsegov, Kiran Nandlal, David S. Schechter, Ruud Weijermars
Unconventional Resources Technology Conference (URTEC)
... and conductivity of hydraulic fractures in a multistage horizontal well. The influence of wellbore deviations and other local initial conditions...
2018
Lateral Fluid Flow in a Compacting Sand-Shale Sequence: South Caspian Basin
John D. Bredehoeft , Rashid D. Djevanshir , Kenneth R. Belitz
AAPG Bulletin
... gradient. Observe that a lateral horizontal gradient exists within the Caspian basin. The hydraulic head is higher in area III than in area II...
1988
Estimating Reservoir Pressure Gradient from Stage-By-Stage Pressure Fall off Analysis in Shale Horizontal Wells
Mazher Ibrahim, Ahmed Farid Ibrahim, Matt Sinkey, Thomas Johnston, Andrew McMurray
Unconventional Resources Technology Conference (URTEC)
...Estimating Reservoir Pressure Gradient from Stage-By-Stage Pressure Fall off Analysis in Shale Horizontal Wells Mazher Ibrahim, Ahmed Farid Ibrahim...
2022
A Novel Workflow to Characterize Production Profiles of Shale Gas Horizontal Wells Using Distributed Temperature Sensing Data
Chuxi Liu, Xuefeng Yang, Cheng Chang, Sha Liu, Ning Li, Wei Yu, Kamy Sepehrnoori
Unconventional Resources Technology Conference (URTEC)
...A Novel Workflow to Characterize Production Profiles of Shale Gas Horizontal Wells Using Distributed Temperature Sensing Data Chuxi Liu, Xuefeng Yang...
2024
Efficiency analysis of seepage of Baz Ali small dam, Kurram Agency using clay blanket and cut-off wall with sand filter
Arshad Ullah, Azman Kassim, Ishtiaq Alam, Muhammad Junaid, Izwan Shah Ahmad
Geological Society of Malaysia (GSM)
.../S sand filter, U/S clay blankets, cost analysis INTRODUCTION Seepage is the flow of water through soil under a hydraulic gradient. The hydraulic...
2019
Horizontal stress inversion based on azimuthal difference in P-wave reflectivity
Fubin Chen, Zhaoyun Zong, Xingyao Yin
International Meeting for Applied Geoscience and Energy (IMAGE)
...), the effective stiffness tensor in an HTI medium with the effect of horizontal uniaxial stress is derived as v HTIs (7) C11 M s + 2M s ( ) + 2M s v , HTIs...
2022
Fluvio-Marine Sediment Partitioning As A Function of Basin Water Depth
Jochem F. Bijkerk, Joris T. Eggenhuisen, Ian A. Kane, Niels Meijer, Colin N. Waters, Paul B. Wignall, William D. McCaffrey
Journal of Sedimentary Research (SEPM)
... gradient. In this case, a horizontal plane would represent 0% value while a 100% value would represent system-scale equilibrium conditions. The estimated...
2016
In Situ Stress Prediction Using Differential Strain Analysis and Ultrasonic Shear-Wave Splitting
B. Widarsono, J. R. Marsden, M. S. King
Indonesian Petroleum Association
... the presence of azimuthal velocity anisotropy over 90°. As shown in Figure 1, similar behaviour is also observed in both the vertical and horizontal...
1996
EXTENDED ABSTRACT: Geological Perception of Pore and Fracture Prediction: Case Histories from the Gulf of Mexico
Shaker, Selim S.
GCAGS Transactions
...)The relationship between the ES and the porosity indicators, (i.e., resistivity and velocity) calculates the PG (pore pressure gradient...
2004
The Commercial Application and Interpretation of the Borehole Gravimeter
James W. Bradley
Pacific Section of AAPG
... to obtain gravity gradients. The development of the theory which is currently used in vertical gravity gradient measurements occurred in the 1950’s, while...
1976
Sediment Sorting in Alluvial Channels
Lucien M. Brush Jr.
Special Publications of SEPM
... to the formation of rate tary structures and textures primary sedimen in alluvial channels Fall velocity turbulent diffusion gravitational...
1960
Impact of Seismic Attenuation on Downhole Microseismic Moment Tensor Inversion
Donghong Pei, Natalia Verkhovtseva, Jon Doucette, Price Stark
Unconventional Resources Technology Conference (URTEC)
... inversion (MTI). Though there are many other factors that also have an impact on MTI. This study focuses on the effect attributed to seismic attenuation...
2016
Present-day stress regime, permeability, and fracture stimulations of coal reservoirs in the Qinshui Basin, northern China
Shida Chen, Yafei Zhang, Dazhen Tang, Shu Tao, Yifan Pu, and Zhenhong Chen
AAPG Bulletin
... fracturing from roadways, and the Kaiser effect in the Qinshui Basin. (A) Maximum horizontal stress versus depth. (B) Minimum horizontal stress versus depth...
2024
Prediction of multiple origin overpressure in deep fold-thrust belt: A case study of Kuqa subbasin, Tarim Basin, northwestern China
Changyu Fan, Gang Wang, Zhenliang Wang, Xiaojie Han, Jie Chen, Kuaile Zhang, and Baoshou Zhang
AAPG Bulletin
.... L., 1995, Pore pressure estimation from velocity data; accounting for overpressure mechanisms besides undercompaction: SPE Drilling and Completions, v...
2021
Thermodynamic Behavior of Liquid-Supercritical CO2 Fracturing in Shale
Xiaojiang Li, Gensheng Li, Wei Yu, Haizhu Wang, Kamy Sepehrnoori, Zhiming Chen, He Sun, Shikun Zhang
Unconventional Resources Technology Conference (URTEC)
... model to simulate the impact of thermodynamic and heat transfer behavior on fracture initiation during CO2 fracturing. The velocity and pressure...
2017
Combining high resolution modelling and one-way wave field extrapolation migration to image beneath a complex overburden: A case study from Porcupine Basin, Ireland
Partha Pratim Mandal, Weidi Koh, Julien Bluteau, David Laws, Jennifer Greenhalgh
Petroleum Exploration Society of Australia (PESA)
... imaging challenge is the effect of high velocity, laterally variable Late Cretaceous chalk. The transition from this carbonate to underlying clastic...
2016
Unfathomable: The shifting sand of wave base
Eugene C. Rankey, Christian M. Appendini
Journal of Sedimentary Research (SEPM)
...?station=41010. Plots of horizontal particle velocity draped on bathymetry of a depositional dip transect across the model through the year (Fig. 5...
2022
Response and Recovery of an Estuary Following a River Flood
Maynard M. Nichols
Journal of Sedimentary Research (SEPM)
...) initial response, (2) shock, (3) rebound, (4) reversal, (5) second shock, (6) homogeneity and recovery. Net velocity and sediment transport returned...
1977
Seismic Stratigraphic Exploration - A New Frontier
Roy O. Lindseth
Rocky Mountain Association of Geologists
.... By drawing these contours of iso-velocity, as shown on Figure 2 by the horizontal lines, one can obtain an accurate representation of individual stratigraphic...
1977
Seismic Refraction and Reflection Studies in the Timor-Aru Trough System and Australian Continental Shelf: Convergent Margins
R. S. Jacobson , G. G. Shor Jr. , R. M. Kieckhefer , G. M. Purdy
AAPG Special Volumes
... was not observed, a calculation was made of the shallowest depth to a masked layer of this velocity. The effect of such an undetected masked layer would...
1979
Application of Seismic Shear Wave Refraction for Subsurface Soil Dynamic Investigation at Bukit Changgang, Banting, Selangor
Abdul Rahim Samsudin, Khairul Anuar Mohd. Nayan, Umar Hamzah
Geological Society of Malaysia (GSM)
... from all the spread lines interpreted. The result shows that with the exception of seismic line 1, the range of shear wave velocity for the first...
1997
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
... to the horizontal plane, among others, but they do not consider the state of stress acting on the system and the azimuth angle; so, from geomechanical...
2016
Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data
Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto
Indonesian Petroleum Association
.... In addition, static correction will determine the velocity model created. Travel time tomography has a role to facilitate the calculation...
2019
Impacts of Stress, Natural and Induced Fractures on Mechanical Properties of Organic-Rich Shales
Mehdi Mokhtari, Adel A. Alqahtani, Azra N. Tutuncu
Unconventional Resources Technology Conference (URTEC)
... experimental results on how Young’s modulus, Poisson’s ratio, and compressional velocity change with overburden and horizontal stresses for core...
2013
Fundamentals of Heat Transport at the Edge of Steam Chambers in Cyclic Steam Stimulation and Steam-assisted Gravity Drainage
Ian D. Gates, Marya Cokar, Michael S. Kallos
AAPG Special Volumes
... Symposium presentation.Bacon, R. M., G. R. Scott, D. G. Youck, and K. S. Chan, 2000, Steam distribution and production of hydrocarbons in a horizontal well...
2013