Inventor

GREBENNIKOV VALENTIN TIMOFEYEV

RU2 patents

Patents

2 patents

US7140429B2Nov 28, 2006

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

NORD SERVICE INC6 citations54

US7025141B1Apr 11, 2006

Method of increasing the well rate of exploitation and recharge wells

NORD SERVICE INC2 citations51