Main Products: API drill pipeHWDP ,Drill collar ,StabilizerForging ,API casing&tubing ,Hole opener
Drilling Jar
USD $8,000 - $33,000 /Piece
Min.Order:1 Piece
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Shaanxi Senwell Import & Export Co., Ltd.
Business Type: Trading Company
Shaanxi ChinaMain Products: API drill pipeHWDP ,Drill collar ,StabilizerForging ,API casing&tubing ,Hole openerProduct Details
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’t exceed the max. loading 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 downhole. No re-adjustment can be allowed after jar is put into downhole.
Technical specification and parameters for ZSJ/ZXJ type Drilling Jar | |||||||
Item Parameters | ZSJ 80B | ZSJ 76B | ZSJ 70B | ZSJ 62B | ZSJ 56B | ZSJ 46B | |
O.D.(mm) | 203 | 197 | 178 | 160 | 146 | 121 | |
I.D(mm) | 71.4 | 71.4 | 70 | 57 | 57 | 51 | |
Pull down overall length(mm) | Up | 5515 | 5515 | 5424 | 5360 | 5730 | 5300 |
Down | 5250 | 5250 | 5215 | 5215 | 5000 | 4760 | |
Pull down | Up | 368 | 368 | 344 | 344 | 332 | 305 |
Down | 178 | 178 | 178 | 178 | 180 | 178 | |
Thread Conn. API | 6 5/8"REG | 6 5/8"REG | NC50 | NC46 | 4 1/2FH | NC38 | |
Max. tensile load(KN) | 2500 | 2500 | 2300 | 2200 | 2000 | 1400 | |
Max. Working Torque (N.m) | 20 x 103 | 18 x 103 | 15 x 103 | 15 x 103 | 15 x 103 | 13 x 103 | |
Rated release force for up jar (KN) | 400~600 | 400~600 | 350~550 | 300~450 | 200~350 | 150~250 | |
Max. up jarring released force (KN) | 750 | 750 | 550 | 550 | 450 | 270 | |
Max. down jarring released force (KN) | 600 | 600 | 550 | 500 | 400 | 250 | |
Weight(KG) | Up | 1085 | 980 | 680 | 530 | 480 | 330 |
Down | 1027 | 920 | 645 | 520 | 457 | 310 | |
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