Products
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Workover Rigs
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Rig Components&Accessories
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Handling Tools
- DD Type Center Latch Elevators
- DDZ Type Center Latch Drilling Elevators
- Slip Type Air Operated Elevators
- CDZ Type Drilling Elevators
- CD Type Side Door Elevators
- SLX Type Side Door Elevators
- TA Type Center Latch Elevators
- SJX Type Single Joint Auxiliary Elevator
- SP Type Single Joint Auxiliary Elevators
- SJ Type Single Joint Auxiliary Elevator
- DDZH Hydraulic Center Latch Elevator
- CDZH Hydraulic Center Latch Elevator
- Y Series Slip Type Elevator
- Sucker Rod Elevators
- Single Arm Elevator Links For Oil Drilling
- Double Arm Elevator Links for Oil Drilling
- DB Type Manual Tongs
- Extended Casing Manual Tongs
- Workover Tongs
- B Type Manual Tongs
- C Type Manual Tongs
- SDD Type Manual Tongs
- AAX Type Manual Tongs
- WWC Type Manual Tongs
- WWB Type Manual Tongs
- SB Type Manual Tongs
- LF Type Manual Tongs
- Drill Pipe Slips
- Drill Collar Slips
- Casing Slips
- Safety Clamps
- Pneumatic Slip
- Drill Pipe Hydraulic Power Tong
- Casing Hydraulic Power Tong
- Workover Hydraulic Power Tong
- Sucker Rod Power Tong
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Drill Strings
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Tubulars
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Mud Pump & Spare Parts
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Well Control Equipments
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Production Equipments
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WellHead Equipments
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Drill Bits
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Well Cementing & Completion Tools
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Water Well Drilling Accessories
- Technical Features
- Technical Parameters
Main Technical Features
● DD Type center latch elevators with square shoulder are suitable for handling drill collars, casings and tubing.
● The loading ranges from 150 tons to 350 tons and the size ranges from 2-3/8’’ to 5- 1/2’’.
● Designed and manufactured according to API SPEC 8C specification for drilling and production hoisting equipment.
Model | Suitable Sizes(inch) | Casing Tubing | ||
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Rated Capacity | (Short Tons) | Drill Pipes | ||
DD-150 | 2 3/8-51/2 | 4 1/2-51/2 | 2 3/8-4 1/2 | 150 |
DD-250 | 2 3/8-51/2 | 4 1/2-51/2 | 2 3/8-4 1/2 | 250 |
DD-350 | 2 3/8-51/2 | 4 1/2-51/2 | 2 3/8-4 1/2 | 350 |