DD/TA Type Center Latch Elevator
DD/TA type center latch elevator is also known as centre latch tubing elevator or square shoulder elevator. These square shoulder elevators are hoisting tools for handling 90°taper shoulder drill pipe, drilling tools and etc. Centre latch elevator is offered in various sizes and load ratings. The square shoulder elevators are designed and manufactured according to API Spec 8C-Specification for Drilling and Production Hoisting Equipment. DD/TA type center latch elevator is available in 35 ton and 100 ton capacities.
| Pipe | Drill Pipe | Casing | |||||
| Model | DD 65 | DD 100 | DD 125 | DD 150 | DD 100 | DD 150 | |
| DD/TA type Center Latch Elevator Pipe O.D.(in) | |||||||
| 2 3/8 | 2 3/8 | 2 3/8 | 2 3/8 | ||||
| 2 7/8 | 2 7/8 | 2 7/8 | 2 7/8 | ||||
| 3 1/2 | 3 1/2 | 3 1/2 | |||||
| 4 | 4 | ||||||
| 4 1/2 | 4 1/2 | 4 1/2 | 4 1/2 | ||||
| 5 | 5 | 5 | - | ||||
| 5 1/2 | 5 1/2 | 10 3/4 | |||||
| Max Load | KN | 585 | 900 | 1100 | 1350 | 900 | 1350 |
| Tons | 65 | 100 | 125 | 150 | 100 | 150 | |
| Pipe | Tubing | Drill Collar | ||||||||
| Model | DD/TA 35 | DD/TA 65 | DD/TA 100 | DD 125 | DD 150 | DD/TA 35 | DD/TA 65 | DD/TA 100 | DD 150 | |
| 1.05 | ||||||||||
| 1.315 | ||||||||||
| 1.66 | 1.66 | |||||||||
| 1.9 | 1.9 | 1.9 | ||||||||
| 2 3/8 | 2 3/8 | 2 3/8 | 2 3/8 | |||||||
| 2 7/8 | 2 7/8 | 2 7/8 | 2 7/8 | 2 7/8 | 2 7/8 | 2 7/8 | ||||
| 3 1/2 | 3 1/2 | 3 1/2 | 3 1/8 | 3 1/8 | 3 1/2 | |||||
| 4 | 4 | 4 1/8 | ||||||||
| 4 1/2 | 4 1/2 | 4 3/4 | ||||||||
| 5 | 5 | 5 | ||||||||
| 5 1/4 | 9-11 1/4 | |||||||||
| Max Load | KN | 315 | 585 | 900 | 1100 | 1350 | 315 | 585 | 900 | 1350 |
| Tons | 35 | 65 | 100 | 125 | 150 | 35 | 65 | 100 | 150 | |
Jiangsu Kayson Petrol- Machinery Co., Ltd is a modern company engaged in developing, manufacturing and marketing of drilling tools and spare parts, including center latch elevator or square shoulder elevators. The products cover bushings, bottleneck elevator, manual tongs, spiders, slips, inserts and bit breakers, etc. And they have been sold to various domestic oilfields and exported to Europe, America, Middle East, Central Asia, North Africa and South-East Asia and other overseas regions.