In the complex systems of oil and gas drilling operations, hoists (the professional term for elevators in this context) play a crucial role as indispensable lifting equipment. They are primarily used to transport tubular materials such as drill pipe, casing, and tubing. During drilling, downhole, and hoisting operations, they provide safe, efficient, and precise support for the lifting, lowering, and positioning of tubular materials, making them a key link in ensuring the smooth operation of the drilling process.
Main Functions
Stable Grip and Lifting: Specifically designed for securely gripping and lifting various types of tubular drill pipe, casing, tubing, and other tubular components. Its unique gripping structure ensures a reliable connection with the tubing, effectively preventing slippage during lifting and providing a solid guarantee for operational safety.
Reduced Risk of Damage: Through optimized design and precise operational control, the risk of damage to the tubing during operations is minimized. During lifting and lowering of tubing, smooth movements and appropriate force are maintained to avoid surface damage or structural deformation caused by collisions or friction.
Product Features：
| CD side door double latch elevators are used to hold coupled drill pipe, casing and tubing;
CDZ side door double latch elevators and DDZ center latch elevators are suitable for 18°shouldered drill pipe; DD center latch elevators are suitable for shouldered drill pipe and tubing during workover and formation testing operation. |
Product types and specifications：
Technical parameter of CDZ side door double latch elevators
| Model | Rated load
kN (US ton) |
Dia. of 18° taper outer
mm |
Dia. of bottom hole
mm |
| CDZ3 1/2-18°-250 | 2450(250) | 125 | 102 |
| CDZ4 1/2-18°-250 | 2450(250) | 162 | 122 |
| CDZ5 -18°-250 | 2450(250) | 170 | 135 |
| CDZ5 -18°-350 | 3430(350) | 170 | 135 |
Technical parameter of DDZ center latch elevators
| Model | Rated load
kN (US ton) |
Dia. of 18° taper outer
mm |
Dia. of bottom hole mm |
| DDZ5-18°-250 | 2450(250) | 180 | 135 |
| DDZ5-18°-350 | 3430(350) | 180 | 135 |
Note: TBG: Tubing UP TBG: External upset tubing
EU: External upset drill pipe IEU: Internal-external drill pipe
IU: internal upset drill pipe CSG: Casing
Technical parameter of DD center latch elevators
| Model | Size of Applied Pipe in | Rated load
kN (US ton) |
Dia. of hole
mm |
| DDY2 3/8-65 | 2 3/8 TBG | 637(65) | 63 |
| DDY2 3/8J-65 | 2 3/8 UP TBG | 637(65) | 76 |
| DDY2 3/8-100 | 2 3/8 TBG | 980(100) | 63 |
| DDY2 3/8J-100 | 2 3/8 UP TBG | 980(100) | 68 |
| DDY2 7/8-65 | 2 7/8 TBG | 637(65) | 68 |
| DDY2 7/8J-65 | 2 7/8 UP TBG | 637(65) | 82 |
| DDY2 7/8-100 | 2 7/8 TBG | 980(100) | 76 |
| DDY2 7/8J-100 | 2 7/8 UP TBG | 980(100) | 82 |
| DDY3 1/2-100 | 3 1/2 TBG | 980(100) | 92 |
| DDY3 1/2J-100 | 3 1/2 UP TBG | 980(100) | 98 |
Technical parameter of CD side door double latch elevators
| Model | Size of Applied pipe | Rated load
kN(ton) |
Dia.of up/ bottom hole
mm |
| CDY2 3/8-100 | 2 3/8 TBG | 980(100) | 63/63 |
| CDY2 3/8J-150 | 2 3/8 UP TBG | 1470(150) | 68/63 |
| CD2 3/8-150 | 2 3/8 EU | 1470(150) | 69/63 |
| CDY2 7/8-100 | 2 7/8 EU | 490(50) | 84/76 |
| CDY2 7/8-100 | 2 7/8 TBG | 980(100) | 76/76 |
| CDY2 7/8J-100 | 2 7/8 UP TBG | 980(100) | 82/76 |
| CD2 7/8-100 | 2 7/8 EU | 980(100) | 84/76 |
| CDY2 7/8-150 | 2 7/8 TBG | 1470(150) | 76/76 |
| CDY2 7/8J-150 | 2 7/8 UP TBG | 1470(150) | 82/76 |
| CD2 7/8-150 | 2 7/8 EU | 1470(150) | 84/76 |
| CD3 1/2-50 | 3 1/2 EU | 490(50) | 102/92 |
| CDY3 1/2-100 | 3 1/2 TBG | 980(100) | 92/92 |
| CDY3 1/2J-100 | 3 1/2 UP TBG | 980(100) | 98/92 |
| CD3 1/2-100 | 3 1/2 EU | 980(100) | 102/92 |
| CDY3 1/2J-150 | 3 1/2 UP TBG | 1470(150) | 98/92 |
| CD3 1/2-150 | 3 1/2 EU | 1470(150) | 102/92 |
| CDY4-150 | 4 TBG | 1470(150) | 104/104 |
| CD3 1/2-250 | 3 1/2 EU | 2450(250) | 102/92 |
| CD5-150 | 5 IEU | 1470(150) | 135/131 |
| CD5-200 | 5 IEU | 1960(200) | 135/131 |
| CD5-250 | 5 IEU | 2450(250) | 135/131 |
| CD5-350 | 5 IEU | 3430(350) | 135/131 |
| CD5-200 | 5 CSG | 1960(200) | 131/131 |
| CD5-350 | 5 CSG | 3430(350) | 131/131 |
| CD5 1/2-150 | 5 1/2 IU | 1470(150) | 150/145 |
| CD5 1/2-250 | 5 1/2 IU | 2450(250) | 150/145 |
| CD5 1/2-350 | 5 1/2 IU | 3430(350) | 150/145 |
| CD5 1/2-150 | 5 1/2 CSG | 1470(150) | 142/142 |
| CD5 1/2-200 | 5 1/2 CSG | 1960(200) | 142/142 |
| CD5 1/2-250 | 5 1/2 CSG | 2450(250) | 142/142 |
| CD5 1/2-350 | 5 1/2 CSG | 3430(350) | 142/142 |
| CD6 5/8-150 | 6 5/8 CSG | 1470(150) | 171/171 |
| CD7-200 | 7 CSG | 1960(200) | 181/181 |
| CD7-250 | 7 CSG | 2450(250) | 181/181 |
| CD7-350 | 7 CSG | 3430(350) | 181/181 |
| CD7 5/8-150 | 7 5/8 CSG | 1470(150) | 181/181 |
| CD7 5/8-250 | 7 5/8 CSG | 2450(250) | 197/197 |
| CD8 5/8-250 | 8 5/8 CSG | 2450(250) | 222/222 |
| CD9 5/8-150 | 9 5/8 CSG | 1470(150) | 248/248 |
| CD9 5/8-250 | 9 5/8 CSG | 2450(250) | 248/248 |
| CD9 5/8-350 | 9 5/8 CSG | 3430(350) | 248/248 |
| CD9 5/8-450 | 9 5/8 CSG | 4410(450) | 248/248 |
| CD10 3/4-200 | 10 3/4 CSG | 1960(200) | 277/277 |
| CD13 3/8-50 | 13 3/8 CSG | 490(50) | 344/344 |
| CD13 3/8-150 | 13 3/8 CSG | 1470(150) | 344/344 |
| CD13 3/8-250 | 13 3/8 CSG | 2450(250) | 344/344 |
| CD13 3/8-350 | 13 3/8 CSG | 3430(350) | 344/344 |
| CD16-50 | 16 CSG | 490(50) | 411/411 |
| CD20-150 | 20 CSG | 1470(150) | 512/512 |
| CD30-135 | 30 CSG | 1323(135) | 63/63 |
Applications
Oil Drilling Operations: Widely used in onshore and offshore oil drilling for lifting, lowering, and positioning drill pipes, casing, and tubing. Helps drilling teams complete drilling tasks efficiently, improving drilling efficiency and reducing operating costs.
Natural Gas Extraction: Plays a vital role in the drilling and extraction phases of natural gas wells, ensuring the safe handling and accurate installation of pipes during natural gas extraction, ensuring the smooth progress of natural gas extraction operations.
Geological Exploration Drilling: Used in various geological exploration drilling projects, assisting geological exploration personnel in obtaining accurate geological data, providing support for resource exploration and geological research.
With its superior performance, reliable quality, and wide range of applications, this drilling rig is an ideal choice for drilling operations in the oil, gas, and geological exploration industries, providing strong equipment support for industry development.
