Machinery & Equipment
Description
Drilling Jar,hydraulic Drilling Jar,mechanically drilling Jar,Bowen drilling jar,NOV drilling jar,API drilling jar,The drilling jar which is connected with drill tool and worked with drill string is a downhole stuck freeing tool in drilling operation .It is a first selected tool for directional well,complicated well and deep well.The drilling jar is consisting of ZSJ type drilling up jar and ZXJ type drilling down jar,both they can be used mutually or operated separately .The up jarring section takes use of hydraulic mechanism,the jarring force can be adjusted according to up elevating load but can not exceed the max.load for tool load rated .The down jarring section takes use of mechanical friction mechanism, the jarring force is well preadjusted by adjusting device before put into downhole.No re-adjustment can be allowed after jar is put into downhole.
Drilling Jar, hydraulic Drilling Jar,Read More
TianHe Oil Group HuiFeng petroleum equipments Co.,Ltd
Drill Collar (DC),Drill pipe (DP),Heavy weight drill pipe(HWDP),square kelly,hexagonal kelly,stabilizer,Hole opener, Roller reamer, Casing scraper, Internal Casing Cutter,External
Address: No.43, West Diming Street, ,
Mudanjiang City, Heilongjiang Province
China, 157011
Tel: 0086-453-5979983
Fax: 0086-453-6531608
