Type DCS Drill Collar Slip Introduce:
The Type DCS drill collar slips are designed and manufactured in API Spec 7K and SY5049-91《Slips for well drilling》. It is manufactured in a structure of multi-segment pieces with firm structure, light weight, and large holding range, which is easy to fit the changing of the external diameter of the drill collar due to wear and tear.
Technical specification:
| Type | DCS-S | DCS-R | |||
| OD | in | 3-4 | 4-4.7/8 | 4.1/2-6 | 5.1/2-7 |
| mm | 76.2-101.6 | 101.6-123.8 | 114.3-152.4 | 139.7-177.8 | |
| Circular Buttons P/N | 2628-49 | 2620-49 | 2628-63 | 2620-63 | |
| Total number of segments | 7 | 7 | 9 | 9 | |
| Weight | kg | 51 | 47 | 54 | 51 |
| Ib | 112 | 103 | 120 | 112 | |
| Use in insert bowl number | API or No.3 | ||||
| Max.Load (kN) | 360 | ||||
| Type | DCS-L | ||||||
| OD | in | 6.3/4-8.1/4 | 8-9.1/2 | 8.1/2-10 | 9.1/4-11.1/4* | 11-12.3/4* | 12-14* |
| mm | 171.4-209.6 | 203.2-241.3 | 215.9-254 | 235-285.7 | 279.4-323.9 | 304.8-355.6 | |
| Circular Buttons P/N | 2630-88 | 2630-96 | 2627-104 | 2630-112 | 2625-128 | 2630-136 | |
| Total number of segments | 11 | 12 | 13 | 14 | 16 | 17 | |
| Weight | kg | 70 | 78 | 84 | 90 | 90.5 | 94 |
| Ib | 154 | 173 | 185 | 198 | 200 | 207 | |
| Use in insert bowl number | API or No.3 | No.2 | No.1 | ||||
| Max.Load (kN) | 360 | ||||||
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