Results 201 to 210 of about 74,999 (262)

Optimization of Volumetric Fracturing Stages and Clusters in Continental Shale Oil Reservoirs Based on Geology-Engineering Integration

Cao Jian-gang, Meng Cai, Jinbo Li, Zheng Guo, X Jiang, Guo-chang Dong   +5 more
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Wear Resistance of the Refractory WC-Co Diamond-Reinforced Composite with Zirconia Additive. [PDF]

Materials (Basel)
Ratov B, Mechnik V, Hevorkian E, Rucki M, Pieniak D, Bondarenko N, Kolodnitskyi V, Starik S, Bilorusets V, Chishkala V, Sundetova P, Bektilevov A, Shukmanova A, Seidaliyev A.   +13 more
europepmc   +1 more source

Comparison of clustering methods and conventional approaches for geological fracture analysis: A case study in northern Shiraz, Iran

Hajar Kazemi, Kouros Yazdjerdi, ABDOLMAJID ASADI, Mohammad Reza Mozaffari   +3 more
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The geology of the oceanographer fracture zone: A model for fracture zones

Journal of Geophysical Research, 1976
An unreversed refraction experiment located 325 km west of the center of the Oceanographer transform and aligned along the axis of the fracture zone yielded information on the velocity structure of the crust within the fracture zone axis. A layer 2 km thick having a compressional wave velocity of 4.4 km/s overlies a layer with a compressional wave ...
Edward Schreiber, Paul J. Fox, Hugh Rowlett, Keith McCamy   +3 more
openaire   +2 more sources

Geology and Geometry: A Review of Factors Affecting the Effectiveness of Hydraulic Fracturing

Proceedings of SPE Eastern Regional Meeting, 2005
Abstract Thousands of wells are hydraulically fractured in the Appalachian Basin each year with little clear understanding of what the resulting fracture actually looks like. A number of variables exist in the subsurface including natural fractures, permeability variations, in-situ stresses, faults, etc.
Roger B. Willis, James S. Fontaine, Larry Griffin, Lensie Owlen Paugh   +3 more
openaire   +2 more sources

Folding and Fracturing of Rocks : the birth of modern structural geology

Geological Society, London, Special Publications, 2018
Abstract In 1967, the publication of John Ramsay's book, Folding and Fracturing of Rocks , was a landmark event that affected both of us, inspiring us into careers in structural geology. At that time, one of us was a postgraduate student at Imperial College, London, the other a second-year undergraduate at
Peter J. Hudleston, Susan H. Treagus
openaire   +2 more sources

Description of Natural Fracture Systems for Quantitative Use in Petroleum Geology (1)

AAPG Bulletin, 1990
We present a method for estimating fracture porosity and permeability from measurements of fractures in small samples of a fracture system. A fracture system is divided into domains from which samples are collected. Lengths, widths, and numbers of fractures present in samples are measured and then summarized in density and distribution functions. These
J. H. Howard, Richard C. Nolen-Hoeksema
openaire   +2 more sources

Study of Geology-Engineering Integration Fracturing Design Based on Material Point Method

2021
Due to terrestrial deposited, the tight-oil-reservoir in North Songliao Basin has strong heterogeneity. In view of this characteristic, this paper studied on geology-engineering integration based on material point method, and confirmed reasonable parameters and fracturing models, to increase the efficiency of volume fracturing.
Li Dongxu, Wang Xianjun, Sun Yu, Ming-yong Gu, Wang Wei   +4 more
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A modified seismic reflection approach for engineering geology investigation in fractured rock zones

Engineering Geology, 2020
Abstract Delineating soil/rock interface is critical for geotechnical and tunnel site investigations in engineering geology. In Singapore, we also need to draw attention to local faults and fractured rock zones because the regional geology of Peninsular Malaysia and Singapore contains some minor, steep and brittle faults propagating at some areas in ...
Yunyue Elita Li, Taeseo Ku, Yunhuo Zhang, Yunhuo Zhang   +3 more
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An integrated geology and reservoir engineering approach for modelling of a giant fractured basement reservoir

International Journal of Oil, Gas and Coal Technology, 2015
A great portion of the world's oil reserves is contained in naturally fractured reservoirs (NFRs). As the conventional oil and gas reservoirs have become significantly depleted whereas energy demand sharply increases, the NFRs play an important role in oil exploration and make a large contribution toward oil and gas production worldwide.
Chen, Zhangxing (John), Dang, Cuong, Nguyen, Ngoc, Phung, T.   +3 more
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