swabbing造句

Research and application of the combined operation technology of straddle test,perforation and swabbing

The driller is to trip off bottom and out of the hole at a speed that will not cause swabbing.

Basic theory of intelligent separate layer testing tech is introduced, and by expatiating producing profile testing tech in conventional oil well and intelligent separate layer testing tech in swabbing well, the advantages of it and applied situations in Gudong oilfield is recommended.