Xi'An Tiptop Machinery Co., Ltd.
Xi'an Tiptop Machinery Co., Ltd. Oilfield Comprehensive Solution Provider One-Stop Procurement Service Provider Downhole Drilling Tools Expert
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Oilfield cementing tools API Carbon steel Stop Collar for well drilling
Application
Stop collar can be installed on any position of casing to limit the axial movement of centralizers and cement baskets,which ensures the positions of centralizers or cement basket to meet the design.
The stop collars are available in three types:set screw type,spring nail type and snap-fit type.There are hinged and slip-on styles and they can fit 4 1/2” to 20”+ any size pipe.
Specifications:
| Specification (inch) | 13 3/8 | 10 3/4 | 9 5/8 | 8 1/8 | 7 5/8 | 7 | 6 5/8 | 5 1/2 | 5 | 4 1/2 |
| ID (mm) | 344 | 277 | 248 | 209 | 196 | 181 | 171 | 142 | 129 | 117 |
| OD (mm) | 356 | 288 | 259 | 222 | 208 | 192 | 182 | 151 | 139 | 126 |
| Height (mm) | 200 | 120 | 80 | 80 | 80 | 80 | 50 | 50 | 50 | 50 |
| Holding force (kn) | 40 | 40 | 40 | 30 | 30 | 30 | 30 | 30 | 24 | 24 |
