Device for cutting of slot-like key seats in wells by a...

Details Device for cutting of slot-like key seats in wells by a... Device for cutting of slot-like key seats in wells by a...

2006-11-28

2006-11-28

Dang, Hoang (Department: 3672)

Wells

Means for perforating, weakening, bending or separating pipe...

Reexamination Certificate

active

07140429

ABSTRACT:
The invention relates to the field of mining, namely, to the oil and gas extraction, hydrogeologic, engineering and the geologic and water supply industry and provides an apparatus for the cutting of slot-like key seats in the well bore zone of productive strata by hydraulic abrasion.

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