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Drill Collar Slips Type WT
The drill collar slip type WT is one of the products developed and manufactured by our company early. For a period of time, it was among the indispensable tools for drilling well and workover. Currently, there is still certain demand for this product in the domestic market, which is produced according to API Spec 7K standard. Featuring simple structure, fast installation, and convenient using, this wellhead drilling device can be used for clamping drill collars with the diameters from 41/2in. (114.3mm) to 91/2in. (241.3mm). By changing the quantity of the segment, this drill collar slip can meet the requirement for the applications on different pipes.
Technical Parameters
| Model | WT41/2-6 | WT51/2-7 | WT63/4-81/4 | WT8-91/2 | |
| Outer Dia. of Drill Collar | in. | 41/2-6 | 51/2-7 | 63/4-81/4 | 8-91/2 |
| mm | 114.3-152.4 | 139.7-177.8 | 171.4-209.6 | 203.2-241.3 | |
| Weight | kg | 49 | 46 | 42 | 39 |
| lb | 108 | 101 | 92 | 86 | |
| Configured Insert Bowls No. | API or No.3 | ||||
| Max. Load | 40tons | ||||
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