API 7K Ụdị DD Elevator 100-750 tọn
Model DD center latch elevators nwere ubu square dabara adaba maka ijikwa casing tubing, olu akwa, ọkpọkọ ọkpọ, casing na tubing. Ibu ahụ sitere na 150 ton 350. Ọnụ ọgụgụ ahụ sitere na 2 3/8 ruo 5 1/2. A na-emepụta ngwaahịa ndị a dịka ihe achọrọ na API Spec 8C Specification for Drilling and Production Hoisting Equipment.
Nka nka
| Nlereanya | Nha(na) | Ọnụ okpu (obere tọn) | ||
| DP | Casing | tubing | ||
| DD-150 | 2 3/8-5 1/2 | 4 1/2-5 1/2 | 2 3/8-4 1/2 | 150 |
| DD-250 | 2 3/8-5 1/2 | 4 1/2-5 1/2 | 2 3/8-4 1/2 | 250 |
| DD-350 | 2 7/8-5 1/2 | 4 1/2-5 1/2 | 2 3/8-4 1/2 | 350 |
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