The product can increase annular space between casing and hydraulic anchor body to solve problems of sanding in during fracture, decrease operation difficulty, raise operation efficiency.

　
英 美
  • 該產(chǎn)品可增大套管與水力錨殼體的環(huán)空面積，解決在壓裂過(guò)程中出現被砂埋的現象，降低作業(yè)難度，提高作業(yè)效率。
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