Xi'an TianRui Petroleum Machinery Equipment Co., Ltd.
Xi'an TianRui Petroleum Machinery Equipment Co., Ltd. Providing Cost-Effective Solids Control Solutions
Add to Cart
Drill String Accessories Top Drive Saver Sub and Kelly Saver Sub
Product Introduction
Top Drive Saver Sub is a kind of sub connected with Lower IBOP and drill pipe, mainly used in the top drive system. Not only acting as crossover sub, but also protecting lower IBOP. Top drive saver sub can be divided into general top drive saver sub and low temperature top drive saver sub.
The top drive sub can easily be replaced or repaired in the event the lower pin threads become galled or damaged. These tools are manufactured from selected high quality bars of steel. All of our drill stem subs are manufactured in accordance with API specifications.
Company Service
Our company provides varied, complete series of subs and joints, they are: Crossover Sub, Bit Sub, Rotary Sub, Kelly Saver Sub, Integral Short Drill Rod, Short Drill Collar, Pup Joints etc.
These subs and joints are all made from high quality grade, heat-treated alloy steel for maximum strength and durability, and threaded to customer specifications and API Spec 7-1 requirements.
Specifications of Top Drive Save Sub
| Item | O.D. | I.D. | OAL | Connection |
| (mm/inch) | (mm/inch) | (mm/inch) | API | |
| 1 | 187(7-23/64) | 44.5(1-3/4) | 432(17) | 6 5/8REG PIN×NC31 PIN |
| 2 | 187(7-23/64) | 44.5(1-3/4) | 432(17) | 6 5/8REG PIN LH×NC31 PIN LH |
| 3 | 187(7-23/64) | 57.2(2-1/4) | 445(17-1/2) | 6 5/8REG PIN×NC38 PIN |
| 4 | 187(7-23/64) | 57.2(2-1/4) | 445(17-1/2) | 6 5/8REG PIN LH×NC38 PIN LH |
| 5 | 187(7-23/64) | 71.4(2-13/16) | 458(18) | 6 5/8REG PIN×NC50 PIN |
| 6 | 197(7-3/4) | 57.2(2-1/4) | 458(18) | 6 5/8REG PIN×NC38 PIN |
| 7 | 197(7-3/4) | 71.4(2-13/16) | 470(18-1/2) | 6 5/8REG PIN×NC50 PIN |
| 8 | 197(7-3/4) | 71.4(2-13/16) | 458(18) | 6 5/8REG PIN LH×6 5/8REG PIN LH |
| Please specify the size if you have any special demand. | ||||
Xi'An TianRui Petroleum Machinery Equipment Company Limited was established in 2010 and located in Xi'an city, Shaanxi Province, China. We have specialized technicians, senior engineers and professional marketing team. Our company is committed to develop, manufacture and supply a variety of oilfield equipments. Main products include : solid control equipment, Petroleum equipments & tools such as drilling equipments, oil production equipments, oil pipes, wellhead equipments, downhole tools, well control equipments, cementing tools ,and petrochemicals etc.
And we have many years of history in the petroleum equipment industry. Our main products include solid control equipment, drilling equipment, oil production equipment, wellhead equipment, well control equipment, downhole tools, OCTG pipes, vavle & pipe fitting and oilfield tools. Currently, our products is already exported to America, Middle East, Australia,Africa and 20 other countries and regions.
Competitive Advantages
1. We offer high quality products at competitive price.
2. Shortest delivery time.
3. Flexible payment terms.
4. Timely after-sale service.
5. Most of our equipment can be replaceable with international brands.
6. Our products have been exported to Argentina, Egypt, US, Australia, Romania, Pakistan, Dubai, Abu Dhabi, Iran, India, Indonesia, Vietnam, Malaysia and many other countries.