The invention discloses a multi-stage fisher with a dimension unknown inner pipe, which is characterized in that a drilling tool connector is connected with a screw thread for a first-stage outward opening window chuck plate body, wherein the one-stage outward opening window chuck plate body ...
The pumping rod fisher for the lining oil pipe is simple, can fish broken pumping rods in the lining oil pipe due to small outer diameter, can fish the broken pumping rods out without lifting out the oil pipe, reduces operation amount and operation difficulty, reduces idling period of an ...
NO PIPE DREAM: FISHER KEEPS HIS TITANS LOOSE.(Sports)DeBruin, Lynn
Djerfisherite in xenoliths of sheared peridotite in the Udachnaya-East pipe (Yakutia): origin and relationship with kim- berlitic magmatism. Russ. Geol. Geophys. 53, 247-261.Sharygin, I.S., Golovin, A.V., Pokhilenko, N.P., 2012. Djerfisherite in xenoliths of sheared peridotite ...