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- W3116964264 abstract "The surface conditions in the southern margin of Junggar basin have changed dramatically, the structure is complex, and the velocity information of low velocity zone is not clear. Uphole technology is an effective method to investigate the velocity and thickness of weathered zone. Accurate modeling is particularly important, with the wide application of depth-domain migration in seismic data processing. The conventional uphole survey method is to deploy detonators in the well and geophone at the wellhead, or deploy the geophone in the well and set the excitation point near the wellhead. No matter which method is adopted, the problems of fewer measurement points in the well and the poor wavelet consistency still exist. The advantages of distributed optical fiber sensing technology: one excitation, full well section reception, with many receiving points, high resolution, good wavelet consistency, etc., can more accurately calculate the Q value of the formation in the low deceleration zone. This paper uses DAS optical fiber sensing technology to conduct ultra-deep well uphole research on the surface of the southern margin of the Junggar basin to obtain accurate near-surface velocity, which improves the imaging quality of conglomerate and underlying formations." @default.
- W3116964264 created "2021-01-05" @default.
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- W3116964264 date "2020-12-30" @default.
- W3116964264 modified "2023-09-26" @default.
- W3116964264 title "Application of distributed optical fiber sensing deep uphole technology in shallow surface conglomerate of southern Junggar Basin" @default.
- W3116964264 cites W1900713400 @default.
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- W3116964264 doi "https://doi.org/10.1190/bhgp2020-21.1" @default.
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