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Triassic clastic rock petroleum reservoir identification method

An identification method and technology of clastic rocks, applied in the field of identification of Triassic clastic rock reservoirs, can solve the problems of insufficient research on seismic response characteristics and difficulties in identification, achieve remarkable results and effects, and increase the productivity ratio

Active Publication Date: 2012-05-23
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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Embodiment Construction

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

[0021] First, explain the idea of ​​the present invention:

[0022] The Tahe Oilfield is located in the southern part of the Akekule Uplift in the Shaya Uplift in the northern Tarim Basin. It is a large-scale multi-layered hydrocarbon-bearing compound formed on the Akekule Paleo Uplift developed on the crystalline base of the pre-Sinian metamorphic rock. 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 has been formed based on seismic data, guided by geological research, and new geophysical technologies, combined with drilling and logging. Relying on the methods and ideas of description of natural (composite) oil and gas reservoirs, and relying on the reservoir forming conditions and in-depth u...

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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 oil and gas reservoirs. Background technique [0002] The Tahe Oilfield is located in the southern part of the Akekule Uplift in the Shaya Uplift in the northern Tarim Basin. It is a large-scale multi-layered hydrocarbon-bearing compound formed on the Akekule Paleo Uplift developed on the crystalline base of the pre-Sinian metamorphic rock. Oil and Gas Field. The Tahe area takes Ordovician carbonate fracture-cavity reservoirs as the main exploration and development targets, and has achieved great oil and gas exploration results and economic benefits. With the increase in the difficulty of peripheral exploration and the limitation of blocks, in order to further expand the oil and gas exploration results, the formation of the low-amplitude structure, lithology, and structural + lithological composite traps of the Tahe oilfield A set of meth...

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Application Information

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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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