Haige provides drilling equipment for oil and gas industry. The
Hole Openers are used for expanding the drilled hole. The cutters
are manufactured under the severe quality control. All our hole
openers are field maintainable, with easy assembly and disassembly.
They are all equipped with 3 or 4 cutters, as well as mud nozzles
precisely located to clean the cutters and the hole simultaneously.
They are used for the following purposes.When drilling of the big
hole is not possible because of the rig capacity.When a satisfied
penetration rate is not obtained in case of the big hole drilling,
it is used after drilling with smaller bit.When the hole direction
must be controlled.
