API 7K DCS-S DCS-R DCS-L Drill Collar Slips 3-14 inch 76.2-355.6mm for Oil Drilling Rigs
High-quality drill collar slips designed for oil drilling rig applications, manufactured according to API Spec 7K standards for drilling and well servicing equipment.
Available in three models (DCS-S, DCS-R, DCS-L) accommodating drill collars from 3 inch (76.2mm) to 14 inch (355.6mm) outer diameter.
| Slip Type | DCS-S | DCS-R | DCS-L |
|---|---|---|---|
| Drill Collar OD (in) | 3-4 | 4-4 7/8 | 4 1/2-6 | 5 1/2-7 | 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 |
| Drill Collar OD (mm) | 76.2-101.6 | 101.6-123.8 | 114.3-152.4 | 139.7-177.8 | 171.5-209.6 | 203.2-241.3 | 215.9-254 | 235-286 | 279.4-324 | 304.8-355.6 |
| Weight (kg) | 51 | 47 | 54 | 51 | 70 | 78 | 84 | 90 | 116 | 107 |
| Weight (lb) | 112 | 103 | 120 | 112 | 154 | 173 | 185 | 198 | 256 | 237 |
| Insert Bowl No. | API or NO.3 | NO.2 | NO.1 |
Accommodates drill collars from 4 1/2 inch (114.3mm) to 11 3/4 inch (285.8mm) outer diameter with maximum load capacity of 40 short tons.
| Model | Drill Collar O.D. (in) | Drill Collar O.D. (mm) | Weight (kg) | Weight (lb) | Use in Insert Bowl No. | Max. Load |
|---|---|---|---|---|---|---|
| WT 4 1/2~6 | 4 1/2~6 | 114.3~152.4 | 49 | 108 | API or No.3 | 40 short tons |
| WT 5 1/2~7 | 5 1/2~7 | 139.7~177.8 | 46 | 101 | API or No.3 | 40 short tons |
| WT 6 3/4~8 1/4 | 6 3/4~8 1/4 | 171.4~209.6 | 42 | 92 | API or No.3 | 40 short tons |
| WT 8~9 1/2 | 8~9 1/2 | 203.2~241.3 | 39 | 86 | API or No.3 | 40 short tons |
Multi-segment design accommodates outer diameter changes due to drill collar abrasion, featuring light weight, large handling scale, and reliable quality.
| Drill Collar OD (in) | Drill Collar OD (mm) | Use in Insert Bowl No. |
|---|---|---|
| 3-4 1/2 | 76.2-114.3 | API or No.3 |
| 3 1/4-4 3/4 | 82.55-120.65 | No.2 |
| 4 1/4-5 3/4 | 107.95-146.05 | No.2 |
| 5 1/2-7 | 139.7-177.8 | No.2 |
| 6 3/4-8 1/4 | 171.5-209.55 | No.2 |
| 8 1/4-10 | 209.55-254 | No.2 |
| 10-11 3/4 | 254-298.45 | No.2 |
Dongying OilMan Machinery Equipment Co.
Address: North Two Road, Dongying City, Shandong Province, China
Mobile/WhatsApp/WeChat: +86 13475294399
Email: christal@oilmancn.com
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