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Alloy Steel Oilfield Downhole Tools , 6 1/2" Hydraulic Drilling Jar Double Acting
Product Details:
| Place of Origin: | China |
| Certification: | API |
| Model Number: | ZSJ / ZXJ Type Drilling Jar |
Payment & Shipping Terms:
| Minimum Order Quantity: | 1 pc |
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| Price: | USD1500-10000/pc |
| Packaging Details: | Export Wooden Case |
| Delivery Time: | 7-30 work days |
| Payment Terms: | L/C, T/T, Western Union, MoneyGram |
| Supply Ability: | 200 pcs per month |
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Detail Information |
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| Product Name: | 6 1/2" Double Acting Hydraulic Drilling Jar For Oilfield Downhole Tools | Keywords: | Drilling Jar |
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| Application: | Oil Well Drilling | Material: | Alloy Steel |
| Highlight: | Alloy Steel Oilfield Downhole Tools,1/2" Hydraulic Drilling Jar,Hydraulic Drilling Jar Double Acting |
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Product Description
6 1/2" Double Acting Hydraulic Drilling Jar For Oilfield Downhole Tools
Description of Drilling Jar
The drilling jar connecting with drill tool and working with drill strings is a downhole stuck freeing tool in drilling operation. When drill tool is happened to be stuck in downhole, the stuck drill tool can be released by in time starting the drilling jar to provide continuous up jarring or down jarring . It is a desire 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 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 pre-adjusted by adjusting device before put into down-hole. No re-adjustment can be allowed after jar is put into down-hole.
Technical Specifications of Drilling Jar:
| Parameters/Model | ZSJ80B | ZSJ76B | ZSJ70B | ZSJ64B | ZSJ62B | ZSJ56B | ZSJ46B | |
| ZXJ80B | ZXJ76B | ZXJ70B | ZXJ64B | ZXJ62B | ZXJ56B | ZXJ46B | ||
| O.D. (mm) | 203 | 197 | 178 | 165 | 160 | 146 | 121 | |
| I.D. (mm) | 71.4 | 71.4 | 70 | 57 | 57 | 57 | 47 | |
| Pull down overall length | Up | 5515 | 5515 | 5424 | 5360 | 5360 | 5730 | 5300 |
| (mm) | Down | 5250 | 5250 | 5215 | 5215 | 5215 | 5000 | 4760 |
| Pull down stroke (mm) | Up | 368 | 368 | 344 | 344 | 344 | 332 | 305 |
| Down | 178 | 178 | 178 | 178 | 178 | 180 | 178 | |
| API Connection | 6 5/8 REG | 6 5/8 REG | NC50 | NC46 | NC46 | 4 1/2 FH | NC38 | |
| Max.tensile load (KN) | 2500 | 2500 | 2300 | 2200 | 2200 | 2000 | 1400 | |
| Max.working Torque (N.m) | 20×103 | 18×103 | 15×103 | 15×103 | 15×103 | 15×103 | 13×103 | |
| Rated release force for up jar (KN) | 400~600 | 400~600 | 350~550 | 300~450 | 300~450 | 200~350 | 150~250 | |
| Max.up jarring released force (KN) | 750 | 750 | 550 | 550 | 550 | 450 | 270 | |
| Max.down jarring release force (KN) | 600 | 600 | 550 | 500 | 500 | 400 | 250 | |
| Weight | 2124kg | 1950kg | 1350kg | 1200 | 1090kg | 870kg | 650kg |
Application of Drilling Jar
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