Micro-amplitude Structure Identification Method and Its Application in X105 Block

doi:10.11885/j.issn.1674-5086.2018.10.23.01

Abstract

Abstract: The micro-amplitude structure is a remaining oil-enriched area that has not been affected by water injection in oilfield development. The micro-amplitude structure in X105 Block is well-developed. Because of its small scale, it is difficult to identify with seismic data. In order to improve the accuracy of micro-amplitude structure recognition, the author of this paper conducts technical research on three aspects to improve the accuracy of basic data. The first is to develop high-fidelity processing of seismic amplitude by improving the imaging precision of micro-amplitude structure. The second is to innovate the method of horizon interpretation of phase-constraints, which improves the interpretation accuracy of the top interface of sandstone formations. Thirdly, "contradiction between deep and shallow stratum" and other well-quake matching relationships are used to screen the micro-magnitude structure and eliminate the false. The above methods can be used to re-recognize the characteristics of the micro-amplitude structural development and guide the development of remaining oil.

Key words: X105 Block, micro-amplitude structure, phase body constraint, well-shake matching contradiction, high fidelity

CLC Number:

TE121

HE Yingwei, CHEN Guofei, BAO Peinan, TIAN Wei, FENG Deying. Micro-amplitude Structure Identification Method and Its Application in X105 Block[J]. 西南石油大学学报(自然科学版), 2020, 42(3): 43-50.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.11885/j.issn.1674-5086.2018.10.23.01

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