Dipmeter displacement qualifying technique

Details Dipmeter displacement qualifying technique Dipmeter displacement qualifying technique

1979-11-15

1981-12-01

Smith, Jerry

Boots, shoes, and leggings

324323, G06F 1520

Patent

active

043039758

ABSTRACT:
An improved dipmeter plot of the attitudes of earth formation features in the vicinity of a borehole is produced by using a dipmeter which has at least four transducers urged into contact with the borehole wall, detecting which (if any) of the transducers fail to achieve satisfactory transducer-wall contact and producing the sought dipmeter plot from the transducer outputs less the signal from any transducer failing to achieve satisfactory transducer-wall contact. The occurrences of unsatisfactory transducer-wall contact are detected by seeking to find inconsistencies between the outputs of the individual transducers of the dipmeter tool, and additionally between such outputs and the diameter of the borehole at the relevant depth. The process is speeded up by checking first the transducer which is closest to the borehole top at the relevant time.

REFERENCES:
patent: 3068400 (1962-12-01), Castel et al.
patent: 3466532 (1969-09-01), Kolb
patent: 3521154 (1970-07-01), Maricelli
patent: 3721960 (1973-03-01), Tinch et al.

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