Ensure Successful Casing Running Stop Collars Oilfield Drilling Equipment
API one piece stop collar with set screw, Set Screw Stop Collar 7"
Description of stop collar:
The stop collars are available in three types: Knock-On Type, Spiral Nail Type and Set Screw Type.
The stop collars can be installed on any position on casing to limit the axial movement of centralizers and cement baskets.
Parameters of stop collar:
| Stop Collar(Snap Ring)Type | Type | Size(mm) | Weight(kg) |
| 13 3/8" | Fixed Screw | Φ370x50 | 9 |
| 9 5/8" | Fixed Screw | Φ270x50 | 7.3 |
| 7" | Fixed Screw | Φ195x40 | 5.1 |
| 5 1/2" | Fixed Screw | Φ154x30 |
3.2 |
| Specifications,mm | 13 3/8″ | 10 3/4″ | 9 5/8″ | 8 1/8″ | 7 5/8″ | 7″ | 5 1/2″ | 5″ | 4 1/2″ |
| ID,mm | 338 | 272 | 245 | 206 | 193 | 177 | 139 | 126 | 114 |
| OD,mm | 350 | 284 | 257 | 218 | 285 | 189 | 151 | 138 | 126 |
| Holding Force,KN | 40 | 40 | 40 | 30 | 30 | 30 | 30 | 24 | 24 |
Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. Our group have 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001. Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.