Wedge grips for heavy weight drill pipe
Wedge grips for heavy-weight drill pipe (types S, R, L) are used for pipes with external diameter of 3 inches (76.2 mm) to 14 (355.6 mm). Wedge grips are designed and manufactured according to API Spec 7K.
Description
Specifications
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| View | DCS-S | DCS-R | DCS-L | ||||||||
| DC OD | in | 3-4 | 4-47/8 | 41/2-6 | 51/2-7 | 63/4—
81/4 |
8-
91/2 |
81/2—
10 |
91/4—
111/4 |
11-
123/4 |
12-
14 |
| mm | 76.2-
101.6 |
101.6-
123.8 |
114.3-
152.4 |
139.7-
177.8 |
171.4-
209.6 |
203.2-
241.3 |
215.9-
254 |
235-
285.7 |
279.4-
323.9 |
304.8-
355.6 |
|
| Weight | kg | 51 | 47 | 54 | 51 | 70 | 84 | 90 | 116 | 107 | |
| lb | 112 | 103 | 120 | 112 | 154 | 173 | 185 | 198 | 256 | 237 | |
| Use in insert bowl No. | API or No.3 | No.2 | No.1 | ||||||||