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API 7-1 ZKX Type Drilling Bumper Sub
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Product Details
Place of Origin | Shandong, China | Brand Name | Sinotai | |
Model Number | ZKX | Type | Other, Drilling Bumper Sub | |
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 ZKX Type Drilling Bumper SubAPI Connection
Size 4 3/4", 7 3/4", 9"
release stuck accident
API 7-1 ZKX Type Drilling Bumper Sub
The drilling bumper sub type ZKX mainly makes the down jarring blow operation, releasing the stuck accident such as the sticking, land filling and keyway effectively and so on. Moreover, it can be also used for fishing operation, or it can be considered as "heave compensator" during offshore drilling.
Specification Series and Performance Parameters
Type | Tool O.D. mm(in) | Hole Diameter mm(in) | Connection API | Overall Stroke mm(in) | Max. Working Load kN(lbf) | Max. Working Torque kN.m(lbf·ft) | Max. Tensile Load kN(lbf) |
ZKX46 | 121(4 3/4) | 50(2) | NC38 | 508(20) | 350(79000) | 8(5900) | 900(202000) |
ZKX76 | 197(7 3/4) | 76(3) | 6 5/8REG | 1520(59 7/8) | 770(173000) | 15(11000) | 1800(404000) |
ZKX90 | 229(9) | 76(3) | 7 5/8REG | 1520(59 7/8) | 1300(292000) | 20(15000) | 2200(494000) |
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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