When profile control of partial slant hole is carried out, some problems appear frequently such as unsealed, pipe string creeping, the seal of packer can be checked and so on.

　
英 美
  • 針對部分斜直井在調剖時(shí),經(jīng)常出現不密封、管柱蠕動(dòng)和不能驗封等問(wèn)題,研制出一種防蠕動(dòng)、密封性能好、可驗封的新型斜直井調剖管柱。
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