Triassic clastic rock petroleum reservoir identification method

An identification method, clastic rock technology, applied in the field of identification of Triassic clastic rock reservoirs, can solve the problems of difficult identification, insufficient research on seismic response characteristics, etc., and achieve the effect of increasing productivity ratio, remarkable achievements and effects

Active Publication Date: 2014-01-22
CHINA PETROLEUM & CHEM CORP
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Problems solved by technology

[0006] 3) The research on the seismic response characteristics of sandstone reservoirs and their oil and gas bearing is not deep enough. The mudstone interlayer or sandstone phase transition in the sandstone layer, the tuning effect of seismic waves caused by thin sandstone and the former's seismic response characteristics are intertwined. have certain difficulties

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  • Triassic clastic rock petroleum reservoir identification method

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Embodiment Construction

[0020] The technical solutions of the embodiments of the present invention will be described in further detail below with reference to the drawings and embodiments.

[0021] At first, explain the inventive idea:

[0022] The structure of Tahe Oilfield is located in the south of the Akekule uplift in the Shaya uplift in the northern Tarim Basin. Oil and Gas Field. With the continuous improvement of the theoretical level of oil and gas exploration geology and exploration technology, a set of comprehensive analysis rock formations based on seismic data, guided by geological research, and new geophysical techniques, combined with drilling and logging has been formed. Based on the methods and ideas for the description of permanent (composite) oil and gas reservoirs, and relying on the accumulation conditions of oil and gas reservoirs and the in-depth understanding of oil and gas distribution and controlled factors, a series of identification technologies suitable for clastic rock ...

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Abstract

The invention relates to a Triassic clastic rock petroleum reservoir identification method, which comprises the following steps of: extracting the seismic amplitude of a test object by utilizing seismic data; and performing petroleum-gas prediction on the test object based on the quantitative standard of seismic-amplitude-based petroleum reservoir identification and a seismic amplitude anomaly grading standard by utilizing the seismic amplitude. By the identification method, a productivity ratio can be increased.

Description

technical field [0001] The invention relates to geology and petroleum development, in particular to a method for identifying Triassic clastic rock oil and gas reservoirs. Background technique [0002] The structure of Tahe Oilfield is located in the south of the Akekule uplift in the Shaya uplift in the northern Tarim Basin. Oil and Gas Field. In the Tahe area, Ordovician carbonate fractured-vuggy oil and gas reservoirs are the main exploration and development targets, and great oil and gas exploration results and economic benefits have been achieved. With the increasing difficulty of peripheral exploration and block restrictions, in order to further expand oil and gas exploration results, according to the characteristics of low-amplitude structure and lithology of clastic rock in Tahe Oilfield and the composite trap of structure + lithology, a Based on seismic data, guided by geological research, using new geophysical technology as a means, combined with drilling and logg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V1/28
Inventor 漆立新李宗杰杨林张永升石玉张旭光徐丽萍
Owner CHINA PETROLEUM & CHEM CORP
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