Lift Releasing Valving Spear

Date: 20 Aug 2009
Lift releasing valving spear is a special fishing tool for collar or box of drilling pipe.It stab with collar fishinghead,then fishing collar with fishing grab expanded with arbor.It can be fall and left,then the held fish can be released downhole when required.
Contact information:
Mudanjiang Zhongyuan Drilling Co.,Ltd
No.11, Wenhua Street, Aimin District, Mudanjiang City, Heilongjiang Province P.R.China [157011]
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