- The test of the 40-ton ropeless workover rig was successful!
- The company's badminton competition came to an end
- Meeting for Party Members to Welcome the 87th Anniversary of the Founding of the Party
- The company held a summary meeting for the first half of 2008
- The company conducts environmental management system certification training
- All cadres and employees of Tongshi Company show their love to the people in the earthquake-stricken area
- The company's measurement management system certification passed successfully
- Chairman Han Yiquan was re-elected as deputy to the Provincial People's Congress
- Pioneer of Party Member丨Party Committee of Tonghua Petrochemical Machinery Manufacturing Co., Ltd.
- Mayor Liu Huawen visits and condolences to outstanding top talent Han Yiquan

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Well Washing & Workover Rig
Well washing and workover rig is a special equipment for oil field that integrates well washing and workover functions. It is mainly composed of chassis, transfer case, hydraulic torque converter, triplex pump, forward and reverse gear reducer, winch, mast, traveling hook block, hydraulic system, gas system, electrical system, etc. The engine is equipped with a full speed governor, and the power of the engine is transmitted to the transfer case through the drive shaft. The transfer case transmits power to the rear axle, reverse gear reducer and triplex pump respectively, to achieve chassis walking, workover operations and well cleaning operations. The transfer case also drives the hydraulic pump to supply oil to the hydraulic system.
After a long-term study of service and well washing, the workover and well washing unit combines the workover and well washing functions, realizing one unit has two functions, and effectively improving the work efficiency of transportation and operation. The unit is widely used in oil filed, which is greatly reduces the operation cost and equipment cost input, and has significant direct economic benefits.
Model |
Well Washing & Workover Rig |
||
---|---|---|---|
Service Depth |
73mm(2-7/8” EUE) | m | 2600 |
Rated Hook Load |
kN | 300 | |
Max Hook Load |
kN | 585 | |
Mast Height |
m | 17 | |
Hydraulic system working pressure |
MPa | 14 | |
Air circuit system working pressure |
MPa | 0.65-0.8 | |
Triplex pump max pressure |
MPa | 35 | |
Triplex pump max displacement under the highest pressure |
L/min | 173 | |
Moving dimension(L×W×H) |
m | 11.04×2.5×3.96 | |
Total weight |
kg | 25000 |
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