WATER-WELL DRILLING RIGS

The water-well drilling rig is mobile rig. And a heavy-duty and cruise chassis is utilized for loading the hoisting/spinning and circulation system integrally, which has a good motion performance.

Parameter of WATER-WELL DRILLING RIGS

1、These drilling rigs are designed and manufactured in accordance with API Spec Ql, 4F. 7k 8C and RP500, GB3826.1, GB3836.2 GB7258, SY6584 standards as well as “3C” compulsory standard

2、These drilling rigs can be used to drill water wells with the Max depth of 300 meters and Max wellhead diameter of 500mm and to drill gas wells with the foregoing same specification and to completeworkover operations.

3、The water-well drilling rig is mobile rig. And a heavy-duty and cruise chassis is utilized for loading the hoisting/spinning and circulation system integrally, which has a good motion performance. The operations of these kind of drilling rigs, such as, hoisting operation, spinning operation and the slurry cir culations are driven hydraulically,. The parameters for drilling water well can be adjusted

automatically.

4、The water-well drilling rigs also have a function of auto bit feed and high working efficiency, equipped with pressure device for pressurization and depressurization to DP.

5、A hydraulic brake and a Crown-O-Matic as well as a hydraulic source under the substructure are installed respectively with the purpose of meeting drilling-process requirements and insuring safety and reliability of the rigs.

6、Safety and inspection measures are strengthened under the guidance of the design concept of ” Humanism Above All” to meet the requirements of HSE.

 

Nomainal drilling deoth(ft) 1000
Rated load for hoisting system(ibs) 67000
Hook speed(ft/s) 0~2.3
Mast height(ft) 46
Rated power for engine(hp) 375
Thepressurization capacity for hoisting system(ibs) 22500
Max pressure for slurry system(psi) 715
Max dis charge capacity for slurry system(usgal/min) 528.3

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