API Float Valves
group nameDownhole Tools
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Min Order1 piece
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update timeMon, 08 Apr 2013 00:33:19 GMT
Paramtents
Machine Type Drilling Tool
Type API Float Valves
Use Well Drilling
Certification API
oilfield equipments API spec 7
Packging & Delivery
Min Order1 piece
Briefing
* API 7
*Bore-back of the bit sub
*Prevents backflow of cuttings
Detailed
API Float Valves
* API 7
*Bore-back of the bit sub
*Prevents backflow of cuttings
API Float Valves
This 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.
Specification
Type | Dia.of Valve Assembly | Length of Valve Assembly | Dia.of Float Recess | Sub Box | Other Popular Conn. | ||
Conn. | Depth of Recess | Conn. | 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) |
