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首页> 美国政府科技报告 >Development of Techniques for Optimizing Selection and Completion of Western Tight Gas Sands: Comparison of Core, Geophysical LOG and Outcrop Information. Phase III Report, May 1979-August 1981
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Development of Techniques for Optimizing Selection and Completion of Western Tight Gas Sands: Comparison of Core, Geophysical LOG and Outcrop Information. Phase III Report, May 1979-August 1981

机译：优化西部致密气砂选择和完井技术的发展：核心，地球物理测井和露头信息的比较。第三阶段报告，1979年5月至1981年8月

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A corehole, DOE/GC-1, was drilled from a ridge location in the Westwater Canyon area of the Book Cliffs, Grand County, Utah. The well encountered Tuscher, Farrer and Neslen beds. These units were also exposed in outcrops on the ridge sides. The general dip direction of the beds in the GC-1 area is about 200 exp 0 and the dip angle is about 5 exp 0 . The sandstone lenses observed in outcrop contained numerous small scale sedimentary structures. The median height of these structures was - Farrer 0.7 ft, Neslen 0.9 ft, and Tuscher 0.9 ft. The inclination was - Farrer 15 exp 0 , Neslen 14 exp 0 , and Tuscher 12 exp 0 . The average trend of the Farrer sandstone lenses was 64 exp 0 , and the median apparent length/height ratio of the Farrer outcrops was 35. The GC-1 well was cored from about 33 ft to 1010 ft with 98+% recovery. An orienting assembly was used to core from 770 to 950 ft. Only a limited amount of actual orientation information was retrieved due to repeated equipment failure. (ERA citation 07:017369)

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