Home > Products > Down hole tools > Surface bumper jar type DJ70 2
Surface bumper jar type DJ70 2
- main ports
- T/T
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Product Details
Condition | New | Place of Origin | Shandong, China | |
Brand Name | SINOTAI | Model Number | DX | |
Certification | API | Warranty | 18 months | |
After-sales Service Provided | Engineers available to service machinery overseas |
standard packing or according to customers' requirement
Product Description
Surface bumper jar DX
1. It is an effective tool for resolving the stuck problem by producing downward jarring impact to the stuck portion.
2.It is used to joint at the drilling platform, so the tool has the advantages of powerful jarring force, reliable tonnage-adjusting and convenient utilization.
3. It is especially effective for freeing key-seat and tight-hole tool.
Specification Series and Performance Parameters
Type | O.D mm (in.) | I.D. mm (in.) | Connection API | Max tensile load MN (Lbf) | Max jarring load MN (Lbf) | Max stroke mm (in.) | Seal pressure MPa | Overall length mm (in.) |
DJ46 | 121 (43/4) | 32 (11/4) | NC38 | 0.90 (202500) | 0.40 (90,000) | 1 800 (70.87) | 20 | 3 395 (133.66) |
DJ70Ⅱ | 178 (7) | 50 (115/16) | NC50 | 1.80 (405000) | 0.75 (168,750) | 1 222 (48.11) | 20 | 3 030 (119.29) |
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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