Main Products: Petroleum Equipments
API 7-1 ZSJ Type Hydro-mechanical Drilling Jar
Negotiable /Set
Min.Order:1 Set
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Sinotai Petroleum Equipment Co., Ltd.
Credit Member 4 years 
Business Type: Trading Company
Shandong ChinaMain Products: Petroleum EquipmentsProduct Details
API 7-1 ZSJ Type Hydro-mechanical Drilling Jar
This hydro-mechanical drilling jar type ZSJ can be used either independently or in conjunction. It is designed for use during drilling operations to apply an intensified force either up or down against a stuck portion of the drilling string .Its unique design combines both a hydraulic time delay release and a mechanical latch mechanism, in one relatively short, double acting drilling jar. Therefore, it is an ideal tool for drilling directional well, complicated well and slant well
Specification Series and Performance Parameters
Type | ZSJ36 | ZSJ46 | ZSJ 56 | ZSJ 62Ⅱ | ZSJ 64 | ZSJ 70 | ZSJ 76 | ZSJ 80 |
O.D. mm (in.) | 95 (3 3/4) | 121 (4 3/4) | 146 (5 3/4) | 159 (6 1/4) | 165 (6 1/2) | 178 (7) | 197 (7 3/4) | 203 (8) |
I.D. mm (in.) | 28 (1 1/10) | 51 (2) | 57 (2 1/4) | 57 (2 1/4) | 57 (2 1/4) | 70 (2 3/4) | 71.4 (2 4/5) | 71.4 (2 4/5) |
Connection API | 27/8REG | NC38 | 41/2FH | NC46 | NC50 | NC50 | 65/8REG | 65/8REG |
Max. Tensile Load MN | 0.5 | 1.0 | 1.2 | 1.5 | 1.6 | 1.8 | 2.0 | 2.2 |
Max. Working Torque KN·m | 3.5 | 12 | 13 | 14 | 14 | 15 | 16 | 18 |
Max. Upward Jarring Load kN | 160 | 280 | 400 | 560 | 560 | 640 | 800 | 800 |
Max. Upward Jarring Stroke mm (in) | 254 (10) | 305 (12) | 330 (13) | 346 (13.62) | 346 (13.62) | 346 (13.62) | 370 (14.56) | 370 (14.56) |
Max. Downward Jarring Load kN | 100 | 220 | 300 | 420 | 420 | 480 | 600 | 600 |
Max. Downward Jarring Stroke mm(in) | 178 (7) | 182 (7.16) | 182 (7.16) | 182 (7.16) | 182 (7.16) | 182 (7.16) | 181 (7.12) | 181 (7.12) |
Max. Working Temperature °C | 150 | 150 | 120 | 120 | 120 | 120 | 120 | 120 |
Sealing Pressure MPa | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
Overall Length of Up mm (in) | 4 162 (163.85) | 6 093 (239.88) | 5 410 (213) | 6 394 (251.73) | 6 736 (265.2) | 6 354 (250.15) | 6 295 (247.83) | 6 222 (244.96) |
Overall Length of Down mm (in) | 3 275 (128.93) | 5 138 (202.28) | 5 000 (196.9) | 5 371 (211.45) | 5 457 (214.8) | 5 457 (214.8) | 5 244 (206.45) | 5 249 (206.65) |
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