COMPANY PROFILE
Jiangsu Service Petroleum Technology Co., Ltd. is committed to
researching and supplying high-level petroleum downhole tools and
drilling equipments, and has obtained the certificates of API Q1,
API 5CT, ISO9001 quality system certification, 14001 environmental
system certification, and 18001 occupational health system
certification.
With over 15 years of manufacturing experience and successful
collaborations with renowned oil extraction companies such as China
National Petroleum Corporation, Sinopec, Shell, Mobil, and Husky
Energy, we have established a reputation for delivering oil casing
accessories that surpass industry standards, meeting the demanding
requirements of challenging oilfield operations.
Products Description
Couplings are short lengths of pipe used to connect 2 joints of
tubing or casing.
They come with painted colour codes on their external surface to
indicate their grades.
Coupling manufactured from 1-1/3" to 30" according to API standard.
It is treated with phosphating or copper plating and have good
abrasion& corrosion resistance. Threads have strong viscous
resistance. Also customized couplings can be supplied according to
special requirement, such as special-clearance coupling,
combination coupling, reducing coupling, seal-ring coupling,
special-bevel tubing coupling, ect.
Service's coupling has the characteristics of relieving the stress
concentration at the root of the outer thread of the oil pipe
connected with a single cone thread, which is not easy to produce
fatigue fracture, and the connection effect is good. Effectively
prevent the occurrence of oil well tubing column break off
accident.
| Specification | O.D(mm) | W.T(mm) |
| 4-1/2 | 114.3 | 6.35 |
| 5 | 127 | 7.52 |
| 5-1/2 | 139.7 | 7.72 |
| 6-5/8 | 168.28 | 8.94 |
| 7 | 177.8 | 8.05 |
| 7-5/8 | 193.68 | 8.33 |
| 8-5/8 | 219.08 | 10.16 |
| 9-5/8 | 244.48 | 10.03 |
| 10-3/4 | 273.05 | 11.43 |
| 11-3/4 | 298.45 | 12.42 |
| 13-3/8 | 339.72 | 12.19 |
| 16 | 406.4 | 12.57 |
| 18-5/8 | 473.08 | 11.05 |
| 20 | 508 | 12.7 |
FAQ
Q1,When can I get the price?
A: We usually quote within 24 hours after we get your inquiry. If
you are very urgent to get theprice, please tell us in your email
so that we will regard you inquiry priority.
Q2,Could I have prices of your products?
A:Welcome. Pls feel free to send us an email here. You will get our
reply in 24 hours.
Q3,Can I get a lower price if I order large quantities?
A: Yes, cheaper prices with more bigger quantity orders.
Q4,Do you inspect the finished products?
A: Yes, each step of production and finished products will be came
out inspection by QC department before shipping.
Q5,What about the lead time for the mass production?
A: Honestly, it depends on the order quantity and the season you
place the order.
