The pre-existence of Tianhe Oil Group Co., Ltd is Mudanjiang Petroleum Machinery Co., Ltd, established in 1973. Tianhe Petroleum Machinery Joint-Stock Co., Ltd has restructured....

The pre-existence of Tianhe Oil Group Co., Ltd is Mudanjiang Petroleum Machinery Co., Ltd, established in 1973. Tianhe Petroleum Machinery Joint-Stock Co., Ltd has restructured....

The pre-existence of Tianhe Oil Group Co., Ltd is Mudanjiang Petroleum Machinery Co., Ltd, established in 1973. Tianhe Petroleum Machinery Joint-Stock Co., Ltd has restructured....

The pre-existence of Tianhe Oil Group Co., Ltd is Mudanjiang Petroleum Machinery Co., Ltd, established in 1973. Tianhe Petroleum Machinery Joint-Stock Co., Ltd has restructured....

The pre-existence of Tianhe Oil Group Co., Ltd is Mudanjiang Petroleum Machinery Co., Ltd, established in 1973. Tianhe Petroleum Machinery Joint-Stock Co., Ltd has restructured....

The pre-existence of Tianhe Oil Group Co., Ltd is Mudanjiang Petroleum Machinery Co., Ltd, established in 1973. Tianhe Petroleum Machinery Joint-Stock Co., Ltd has restructured....

Releasing Spear

In drilling and work over opertion, the releasing spear is a tool mainly used for fishing of drill pipe, oil pipe and casing from fish hole.It can be used with....

Releasing and Circulating Overshot

The releasing overshot is the special external fishing tool used for fishing drilcollar , drill pipe , oil tube and other fishes in drilling and....

KXJ Type Fishing Bumper Subs

The fishing bumper sub is a kind of mechanical down jarring tool with long wrking stroke. It can jar stuck pipe stem repeatedly to loose stuckpoint....

YSJ Type Hydraulic Up Jars

YSJ Type hydraulic up jar reach up jarring purpose by applying hydraulic principle and bigelastic energy released suddenly from elastic deformed drill....

CSJ Type Super Fishing Jar

CSJ type super fishing jar is a fishing tool which the jarring force is larger than other jar with same specification.
It features a closed structure....

ZSJ/ ZXJ Type Drilling Jar ( hydraulic-mechanically)

The drilling jar which is connected with drill tool and worked with drill string is a downhole stuck freeing tool in drilling....

Integral Heavy Weight Drill Pipe

The wall thickness of heavy weight drill pipe is between drill pipe and drill collar, its structure is similar with drill pipe. It is made from....

Kellys

Kellys is driving section of wohole drill stem. Kelly is available with square kelly and hexagonal kelly. TIANHE brand kelly are manufactured strictly from API Spec7-1 and....

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Drill Collar
Drill Collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track....