ZSJ/ZXJ Type Drilling Jar (hydraulic-mechanically) 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.
Drill Collar is the basic component in the BHA which provides weight on the bit for drilling and keeps the drill string in tension.Manufactured from AISI 4145H modified quenched and tempered steel.
Supply Ability: 50 sets per Month Air consumption: 17-35 M3/min Dimension(L*W*H):5500*1950*2780mm One-timeadvance 6.6m length: Depth: 300 Meters Warranty of core 1.5 years components: Key Selling Points: Competitive Price Drilling Depth: Max.300m Walking speed: 2.5kw/h Machinery Provided Condition: New Power Type: Diesel Usage: Water Well Place of Origin: China Warranty: 1 Year Keyword: deep water well drilling rigs Weight: 9000kg,9000 KG Brand Name: YUXINGHUA Hole diameter: 140-325 Mm Video outgoing-inspection: Provided Type: Rotary Drilling Rig Core Components: Pressure vessel,Gearbox Marketing Type: New Product 2020 Applicable Industries: Garment Shops,Building Material Shops,Manufacturing Product name: Rotary Drilling Rig Model: FY300 Drilling Diameter: 140-325mm Packaging Detail: water well rotary drilling machine Standard Container