Hei Longjiang North Shuangjia Drilling Tools Co., Ltd.

Hole opener is used for expanding the drilled hole, the cutter are manufactured under the severe quality control. All our hole openers are field maint

Drilling stabilizer is an important tool to control hole deviation in petroleum and gas exploration drilling process. The types of it can be divided i

Kelly valve is one kind of manual control valve which is used for preventing. It is divided into drill pipe Kelly valve and tubing valve, and there is

We have four types drilling jar as them, all of them integrate upward jarring and downward jarring, generate up and down jarring force by lifting and

heilongjiangnorth shuangjia drilling tools co., ltd which specializes in manufacturing drilling tools for more than 40 years, it belongs to China mili

it is mainly used to mill away struck fishing, it has flat bottom and concave junk mill, taper mill, pilot mill, string mill and so on. We specialize

We specialize in manufacturing all kinds of drilling stabilizers, hydraulic adjustable stabilizer, roller reamer, non-magnetic drilling stabilizers, s

Washover pipe is a special toll to release the stuck section of drillstring in the well bore. We offer a complete ranger of washover pipe in the indus

Releasing and circulating overshot is an external fishing tool for engage, pack off and retrieve tublar fish, especially for fishing drill collar and

We specialize in manufacturing all kinds of drilling stabilizers, hydraulic adjustable stabilizer, roller reamer, non-magnetic drilling stabilizers, s

our fishing jar mainly include super fishing jar, jar intensifier, surface bumper jar and bumper sub. The super fishing jar adopts for hydraulic princ

Casing running tool is one tools based on top drive system for running casing operation. Which is divided into hydraulic and mechanical types, both tw