Borehole sounding device with sealed depth and water level...

Details Borehole sounding device with sealed depth and water level... Borehole sounding device with sealed depth and water level...

2005-08-02

2005-08-02

Dang, Hoang (Department: 3672)

Wells

With electrical means

Indicating

C073S152540

Reexamination Certificate

active

06923252

ABSTRACT:
A borehole device having proximal and distal ends comprises an enclosure at the proximal end for accepting an aircraft cable containing a plurality of insulated conductors from a remote position. A water sensing enclosure is sealingly attached to the enclosure and contains means for detecting water, and sending a signal on the cable to the remote position indicating water has been detected. A bottom sensing enclosure is sealingly attached to the water sensing enclosure for determining when the borehole device encounters borehole bottom and sends a signal on the cable to the remote position indicating that borehole bottom has been encountered.

REFERENCES:
patent: 2776563 (1957-01-01), Holbert
patent: 3477920 (1969-11-01), Lerner
patent: 6502634 (2003-01-01), Evans et al.

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