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Your position now:Nera Petroleum Mechanical Manufacture Co., Ltd > The drilling tool > Float Valve > Floating Valve
Floating Valve



    It meets API standard and has won national utility model patent, the patent number is ZL 2008 2 0226374.5.Floating valve is a new-style blowoutpreventer within the drill. The valve is open through which the drill fluid can circulate when drilling goes normally. The valve will close to prevent blowout when well kick or blowout happens. It can effectively prevent drill fluid flowing back and prevent sands flowing into the drill pipe to avoid blocking up. It is a specific tool for blowout preventing in drilling. The structure of floating valve is so scientific that it can avoid corruption and short lifetime which are the common problems of their kind to insure of the protection in the whole procedure of drilling.        

Product specifications and technical parameter

specificationmm

connecting drill collar specification

Effective length (mm)

Bearing pressureMPa

Connection

 

FJ105

4 -1/8

510

70

NC31

FJ121

4 -3/4

500

70

NC38

FJ165

6- 1/2

700

70

NC46/NC50

FJ172

6 -3/4

700

70

NC46/NC50

FJ178

7

700

70

NC50

FJ203

8

750

70

 

NC56/6-5/8REG

 

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