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.
The Kelly Splash Valve
The Kelly splash-proof valve is a necessary tool preventing fluid flowing from Kelly to drill floor and keeping the operating environment from being contaminated by fluid when making a connection or Kelly is taken out of hole and discharged off.
Technical specifications and parameters
O.D.
(mm) |
Length
(mm) |
Thread Conn.(in) |
Spring Load (KN) |
Pressure to
cut off vale
(Map) |
Bar moving
(mm) |
| Top |
Down |
Min |
Max |
Limit |
| 165 |
570 |
4 1/2"IF Box |
4 1/2"Pin |
1 |
2.2 |
2.5 |
1 |
30 |
| 203 |
790 |
5 1/2"FH Box |
5 1/2"Pin |
1 |
2.2 |
2.78 |
1 |
30 |
|
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