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The Disquision of Volcanic Reservoir Prediction in YingCheng Group WangJiaTun-AnDa-SongZhan Area SongLiao Basin

Author: ZhangLiWei
Tutor: ShiShangMingï¼›CaoGuoYin
School: Daqing Petroleum Institute
Course: Geological Engineering
Keywords: volcanic rock volcanic facies volcanic rock reservoir integrated prediction
CLC: P618.13
Type: Master's thesis
Year: 2008
Downloads: 119
Quote: 0
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Abstract


The deep volcanic rock gas reservoir in northern Songliao Basin has the characteristics of reserves of a large scale, demeanor high, single well productivity high, it is a main field of natural gas exploration and development at present. But because the underground geological condition of deep volcanic rock gas reservoir is complex, has the characteristics of the stratum to bury deep, lithologic and lithofacies changes quick, the reservoir physical property changes big , seismic reflection characteristic complex and so on , volcanic rock recognition and deep reservoir prediction is the key point and the difficulty of the exploration of the deep volcanic rock gas reservoir. Wangjiatun - Anderson - Song station is located the north of Xujiaweizi fault depression, the control degree of the exploration well is high, have three dimensional seismic data 490km2, as one of for exploration area, the reservoir research is of great significance. Based on the existing regional geological understanding, this paper use petrology, mineralogy, logging and seismic stratigraphy, etc. to jointly tackle key problems multi-disciplinarily synthetically, has established the mode of logging, seismic recognition of volcanic. Studied the prominent volcanic rock quake target processing technology to improve the precision of earthquake prediction of the volcanic rock. Fully utilizes Wangjiatun - Anderson - Song station three dimensional seismic data, and takes the seismic processing technology as the supplementary means, had predicted the spatial distribution of the volcanic rock in Yingcheng Formation, has completed the planar graphs of the upper and the lower volcanic rock in the third member of Yingcheng formation. And through Logging curves and core comprehensive geological histograms, analyzed volcanic rock secondary eruption cycle synthetically. Has analyzed the volcanic rock reservoir microscopic characteristic and the possible origin, employed the volcanic rock reservoir earthquake attribute parameter analysis technology, predicted the volcanic rock reservoir developing zone of the research area three dimensional area, combining geological structure, drilling and gas testing results, has predicted the research area three dimensional area volcanic rock reservoir gas-bearing scope. The possible drilling goal has been optimized.

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CLC: > Astronomy,Earth Sciences > Geology > Of ore deposits > Deposit classification > Fuel deposits > Oil, natural gas
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