Type DCS Drill Collar Slips
The type DCS drill collar slip has a multi-segment structure to make it suitable for drill collars whose outer diameters have been changed as a result of wear and tear, and it also boasts light weight, firm gripping, wide applicable range and other properties.
As a piece of cost-effective offshore well drilling equipment, this multi-segment drill collar slip is able to handle all drill collars from 3"(76.2mm) to 14"(355.6mm) in OD, and it contains three models which are DCS-S, DCS-R and DCS-L.
Standards for Type DCS Drill Collar Slip
1. API Spec 7K
2. SY/T 5049-91: Slips for well drilling
Model | |||||
Casing OD | inch | 3-4 | 4-47/8 | 41/2-6 | 51/2-7 |
mm | 76.2-101.6 | 101.6-123.8 | 114.3-152.4 | 139.7-177.8 | |
Slip insert P/N | 2628-49 | 2620-49 | 2628-63 | 2620-63 | |
Total number of segments | 7 | 7 | 9 | 9 | |
Weight | kg | 51 | 47 | 54 | 51 |
lb | 112 | 103 | 120 | 112 | |
Insert bowl No. | API or No.3 | ||||
Max. load (kN) | 360 |
Model | |||||||
Casing OD | inch | 63/4-81/4 | 8-91/2 | 81/2-10 | 91/4-111/4 | 11-123/4 | 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 | |
Slip insert 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 |
lb | 154 | 173 | 185 | 198 | 200 | 207 | |
Insert bowl No. | API or No.3 | No.2 | No.1 | ||||
Max. load (kN) | 360 |
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