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| Categories | Oilfield Downhole Tools |
|---|---|
| Model Number: | ZSJ / ZXJ Type Drilling Jar |
| Certification: | API |
| Place of Origin: | China |
| MOQ: | 1 pc |
| Price: | USD1500-10000/pc |
| Payment Terms: | L/C, T/T, Western Union, MoneyGram |
| Supply Ability: | 200 pcs per month |
| Delivery Time: | 7-30 work days |
| Packaging Details: | Export Wooden Case |
| Product Name: | 4 3/4"-8" Hydraulic-Mechanical Drilling Fishing Jar for Oil Well Drilling |
| Keywords: | Drilling Jar |
| Application: | Oil Well Drilling |
| Material: | Alloy Steel |
| Company Info. |
| Dongying Oilman Machinery Equipment Co.,Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
4 3/4"-8" Hydraulic-Mechanical Drilling Fishing Jar for Oil Well Drilling
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
If any needs, pls contact us freely:
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