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Drill Collar Slips are specially developed to handle drill collars during well drilling.
There are Drill Collar Slips Type DCS, Drill Collar Slips Type A, and Drill Collar Slips Type WT.
Drill Collar Slips Type DCS include DCS-S, DCS-R, and DCS-L types. They can handle drill collars from 3 in (76.2 mm) to 14 in (355.6 mm) O.D. The handling size can be adjusted by changing the quantity of inserts or slip bodies.
Drill Collar Slips Type A are multi-segments slips. They can accommodate the changes in outer diameter after abrasion of the drill collar. And they feature light weight, large handling scale, and reliable quality.
Drill Collar Slips Type WT can accommodate drill collars from 4-1/2 in (114.3 mm) to 9-1/2 in(241.3 mm) O.D.
All drill collar slips are designed and manufactured according to API Spec 7K Specification for drilling and well servicing equipment.
1.Multi-segments design make it possible to handle different size drill collars by adjusting the quantity of inserts or slip body.
2.100 % customer satisfaction for Quality and Reliability.
3.After machining all slipsundergo 100% inspection.
4.Different types for clients’.
5.With large handling size range and light weight.
Drill Collar Slips Type DCS
Model | Drill Collar O.D. | Weight | Insert Bowl number | ||
in | mm | kg | lb | ||
DCS-S | 3 ~ 4 | 76.2 ~ 101.6 | 51 | 112 | API or No.3 |
4 ~ 4-7/8 | 101.6 ~ 123.8 | 47 | 103 | ||
DCS-R | 4-1/2 ~ 6 | 114.3 ~ 152.4 | 54 | 120 | |
5-1/2 ~ 7 | 139.7 ~ 177.8 | 51 | 112 | ||
DCS-L | 6-3/4 ~ 8-1/4 | 171.4 ~ 209.6 | 70 | 154 | |
8 ~ 9-1/2 | 203.2 ~ 241.3 | 78 | 173 | ||
8-1/2 ~ 10 | 215.9 ~ 254 | 84 | 185 | No.2 | |
9-1/4 ~ 11-1/4 | 235 ~ 285.7 | 90 | 198 | ||
11 ~ 12-3/4 | 279.4 ~ 323.9 | 116 | 256 | No.1 | |
12 ~ 14 | 304.8 ~ 355.6 | 107 | 237 |
Drill Collar Slips Type A
Model | Drill Collar O.D. | Heading 2 | |
in | mm | ||
Drill Collar Slips Type A | 3 ~ 4-1/2 | 76.2 ~ 114.3 | API or No.3 |
3-1/4 ~ 4-3/4 | 82.55 ~ 120.65 | ||
4-1/4 ~ 5-3/4 | 107.95 ~ 146.05 | ||
5-1/2 ~ 7 | 139.7 ~ 177.8 | ||
6-3/4 ~ 8-1/4 | 171.4 ~ 209.6 | ||
8-1/4 ~ 10 | 209.6 ~ 254 | No.2 | |
10 ~ 11-3/4 | 254 ~ 298.45 |
Drill Collar Slips Type WT
Model | Drill Collar O.D. | Weight | Insert Bowl number | Max. Load | ||
in | mm | kg | lb | |||
WT4-1/2 ~ 6 | 4-1/2 ~ 6 | 114.3 ~ 152.4 | 49 | 108 | API or No.3 | 40 short tons |
WT5-1/2 ~ 7 | 5-1/2 ~ 7 | 139.7 ~ 177.8 | 46 | 101 | ||
WT6-3/4 ~ 8-1/4 | 6-3/4 ~ 8-1/4 | 171.4 ~ 209.6 | 42 | 92 | ||
WT8 ~ 9-1/2 | 8 ~ 9-1/2 | 203.2 ~ 241.3 | 39 | 86 |