Yakela condensate gas field is the sixth largest and largest condensate gas field in Sinopec, located in the north of the Tarim Basin. It is the core source of natural gas in the northwest oil field. It mainly supplies natural gas for the W...

Combination of fishing tools (1) the well bore is of good quality, and it is difficult to get stuck after fishing (2) the downhole situation is not clear. It is possible to catch the drill after fishing; the overshot + safety joint + down j...