Seismic measurements while drilling

Details Seismic measurements while drilling Seismic measurements while drilling

2007-11-27

2007-11-27

Bagnell, David (Department: 3672)

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Measuring or indicating drilling fluid rate of flow

C073S152030, C073S152460, C073S152150, C175S040000, C702S009000

Reexamination Certificate

active

10802623

ABSTRACT:
Measurements are made continuously with a seismic while drilling (SWD) system and the measured data are stored in a working memory of a downhole processor along with quality control (QC) measurements. The QC data are analyzed and based on the analysis, portions of the data in working memory are recorded in permanent memory for retrieval. Alternatively, QC measurements are made substantially continuously predictions are made when data quality for SWD measurements are likely to be good. Recording of SWD data are then started based on the prediction.

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patent: 2004/0222019 (2004-11-01), Estes et al.

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