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API Oilfield Downhole Tools 2F-3R Flapper Type Drill Pipe Float Valve & Float Valve Sub
Float Valve:
Drill Pipe Float Valve is normally installed in a standard bore-back of the bit sub, to provide fluid flow control at the bottom of the drill stem. It also prevents backflow of cuttings from plugging the drill bit jets while making connections.
We make a complete line of Float Valves and Repair Kits to accommodate a wide range of drilling situations and operating conditions.
Spare Parts for Model G Type Drill Pipe Float Valve include: Small Bumper, Spring, Pin, Large Bumper, Shock Absorber, Seal Retainer, Flapper Valve, Seal, Side Seal, Cage
Spare Parts for Model F Type Drill Pipe Float Valve include: Valve Seal Disc, Plunger, Side Seal, Valve Seal, Guide, Spring, Cage.
Float Valve Sub:
Float Valve Sub is an important tool in petroleum exploration and drilling engineering. The float valve sub is connected at upper part of drill bit, the float valve assembly in sub is near the bit connecting thread and the float valve sub also can be necessary position of drill string. The main application is,when connect with single piece pipe, to prevent mud coming in, mud up returning and blocking hole. When blowout takes place,blowout in drill string will be avoided because nozzle is closed automatically by valve cap for float valve assembly .
Technical Data:
| Type | Dia. of Valve Assembly | Length Of Valve Assembly | Dia. Of Float Recess | Sub Box | Other Popular Connections | ||
| Connection | Depth Of Recess | Connection | Depth Of Recess | ||||
| 1R | 42.1(1-21/32) | 149.2(5-7/8) | 42.9(1-11/16) | 2-3/8Reg. | 231.8(9-1/8) | NC23 | 231.8(9-1/8) |
| 2F-3R | 61.1(2-13/32) | 165.1(6-1/2) | 61.9(2-7/16) | 3-1/2Reg. | 266.7(10-1/2) | NC31 | 260.35(10-1/4) |
| 3-1/2 F | 79.4(3-1/8) | 254(10) | 80.2(3-5/32) | NC38 | 362.0(14-1/4) | ||
| 4R | 88.1(3-15/32) | 211.1(8-5/16) | 88.9(3-1/2) | 4-1/2Reg. | 325.4(12-13/16) | NC44 | 331.8(13-1/16) |
| 5R | 98.4(3-7/8) | 247..7(9-3/4) | 99.2(3-29/32) | 5-1/2Reg. | 374.7(14-3/4) | NC50 | 368.3(14-1/2) |
| 5F-6R | 121.4(4-25/32) | 298.5(11-3/4) | 122.2(4-13/16) | 6-5/8Reg.. | 431(17) | 5-1/2IF | 431.8(17) |
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