Detailed Information:
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 twice during the developing of the years. It has been organized as a Joint-stock company according to the Corporation Law in 2006.
The main products of Tianhe are drill collars, spiral drill collars, integral heavy weight drill pipe, and several kinds of drilling tools, work-over tools, cementing tools, coring tools, fishing tools and fitting, Hydraulic Bucking Unit, Hydraulic Jar Tester, Hydraulic Down hole Motor Tester, BOP automatic cleaning systems and other equipments which are including more than 120 types of products and more than 1000 Specifications.
Casing Scraper
Casing scraper is ideal for the removal of dirties which may be left the inside wall of casing, such as solid cement, hard wax, various salt crystals or deposits, rusting, so as to make all downhole tools pass through unblocked. At present, casing inside wall of casing scraper in many leading oilfield of china has becomes annecessary step.
Technical specification and parameter
| Type |
Max. O.D. of blade
strech out (mm) |
Min. O.D. of blade
strech out (mm) |
Connection |
Casing Size (in) |
| GX114 |
106 |
95 |
NC26 |
4 1/2 |
| GX127 |
118 |
105 |
NC26 |
5 |
| GX140 |
130 |
117 |
NC31 |
5 1/2 |
| GX168 |
158 |
141 |
3 1/2 REG |
6 5/8 |
| GX178 |
166 |
149 |
3 1/2 REG |
7 |
| GX245 |
230 |
212 |
4 1/2 REG |
9 5/8 |
|
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