Tighten each thread of the tool, connect it with C-1 well sending tool after verification (see connection diagram 2), connect the jar, weighting rod and rope cap in turn, and tighten the thread. Well condition data, such as well depth, well deviation, downhole temperature, pressure and other data, shall be known before tools go down the well. If the oil pipe is not clean, the well must be scraped and washed.
正在翻译中..