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API 7-1 ZSJ Type Hydro-mechanical Drilling Jar
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Product Details
Place of Origin | Shandong, China | Brand Name | Sinotai | |
Model Number | ZSJ | Type | Other, Hydro-mechanical Drilling Jar | |
Machine Type | Drilling Tool | Certification | API | |
Material | Other, alloy steel | Processing Type | Forging | |
Use | Well Drilling |
standard or according to customers' requirements
Product Description
Specifications
API 7-1 ZSJ Type Hydro-mechanical DrillingAPI Connection
Size 3 3/4" ~ 8"
Use during drilling operation
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) |
Company Profile

As a professional supplier of OCTG, drilling equipment and workover service, Sinotai Petroleum Equipment Co., Ltd. lies in the production base of petroleum equipment and China's second largest oil field --Shengi Oilfield. Our company is a high-tech enterprise in Dongying City with business scope covering the sale, trading, post-sale service and technological development of a wide variety of petroleum equipment. Besides OCTG, we provide our customers with other drilling and oil recovery equipment like fishing tools, cementing tools, workover rigs, pumping units and OCTG accessories. The striving target of our company is "Prestige first, Quality supreme; The shortest delivery time, The lowest price, The best quality". Customers' needs are our first priority and customer satisfaction is the bottom line by which we measure our success.
Contact Us
- Sinotai Petroleum Equipment Co., Ltd.
- Contact nameHerish Kuo Chat Now
- Phone86-546-8300512
- AddressNo. 107, Bldg. 45, Gaoerfu, Wanda, Dongcheng
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