نمایش نتیجه 1 تا 4 از 4 نتیجه یافت شده برای Sonic Caliper:
bottom hole televiewer – a sonic caliper tool, not a television.
n: A kind of device. When downhole instrument is lifted through wellbore, the wall is scaned by impulsive sonar with dense spiral. The picture of wall can be produced by converting echo of TV screen. The picture can disclose split and cavern.
a sonic caliper, developed in the late 1960’s, which generated a sonar picture of the wellbore.
may be either downhole TV camera or a televiewer (a sonic caliper tool).
a wellbore caliper, useful in larger wellbores and washouts that uses sound through thin liquids to map the wellbore.
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