DEVICE AND METHOD FOR COMBINING WELL MEASUREMENTS Russian patent published in 2017 - IPC G01V3/38 E21B47/00 

Abstract RU 2634958 C1

FIELD: measuring equipment.

SUBSTANCE: method of combining a plurality of well electromagnetic measurements is proposed, including the activation at the start of the recording of the first transmit antenna in the arrangement along the longitudinal axis at the operating frequency; the activation at the start of the recording of the second transmit antenna in the arrangement; collecting, on the first receiving antenna, a first plurality of azimuth measurements and a second plurality of azimuth measurements on the second receiving antenna; processing of the first and second pluralities of azimuth measurements to generate corresponding first and second pluralities of signals with a higher type of oscillation; combining the first and second pluralities of signals with the highest type of oscillations in a given time interval by means of a time shift. In this case, the second transmit antenna is arranged in the longitudinal direction from the first transmit antenna along the longitudinal axis. The second transmit antenna is activated, essentially at the same operating frequency as the first transmit antenna.

EFFECT: ensuring accurate measurement of formation characteristics and depth in real time.

33 cl, 16 dwg

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RU 2 634 958 C1

Authors

U Syuj-Syan

Donderiki Burkaj

Dates

2017-11-08Published

2013-12-27Filed