SHANDONG SAIGAO GROUP CORPORATION
SHANDONG SAIGAO GROUP CORPORATION
  • Float Valve

Float Valve

Float valve is one of necessary tool for oil drilling, it consists of float valve sub and float valve, the main function is to prevent mud brings drill cuttings, sediment backfilling which will cause bit bore blocked when connecting each joint. When the well blowout or kick, the valve cover of float valve turn off the bore automatically, it will prevent well blowout accident.


Technical Specification


Model

FVOD

FVOAL

BFFOD

Tool Joint Box Connections and BFF Depth

Connection

BFF Depth

Connection

BFF Depth

mm (inch)

mm (inch)

mm (inch)

API

mm (inch)

API

mm (inch)

1R

42.07(1-21/32)

149.2(5-7/8)

42.86(1-11/16)

2-3/8REG

231.8(9-1/8)

NC23

231.8(9-1/8)

1F-2R

48.42(1-29/32)

158.8(6-1/4)

49.21(1-15/16)

2-7/8REG

254(10)

2-3/8 IF

241.3(9-1/2)

2F-3R

61.12(2-13/32)

165.1(6-1/2)

61.91 (2-7/16)

3-1/2REG

266.7(10-1/2)

2-7/8 IF

260.4(10-1/4)

3F

71.44(2-13/16)

254 (10)

72.23(2-27/32)

一一

一一

3-1/2 FH

355.6(14)

3-1/2IF

79.38(3-1/8)

254(10)

80.17(3-5/32)

一一

一一

3-1/2 IF

362(1牛 1/4)

4R

88.11 (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)

4F

92.87(3-21/32)

304.8(12)

93.66(3-11/16)

一一

一一

4 IF

425.4(16-3/4)

5R

98.43(3-7/8)

247.6 (9-3/4)

99.22 (3-29/32)

5-1/2REG

374.7(14-3/4)

4-1/2 IF

368.3(14-1/2)

5F-6R

121.44(4-25/32)

298.4(11-3/4)

122.24(4-13/16)

6-5/8REG

431.8(17)

5-1/2 IF

431.8(17)


一一

一一

7-5/8REG

438.2(17-1/4)

5-1/2 FH

431.8(17)

一一

8-5/8REG

441.3 (17-3/8)

NC61

444.5 (17-1/2)

6F

144.46 (5-11/16)

371.5(14-5/8)

145.26 (5-23/32)

8-5/8REG

514.4 (20-1/4)

6-5/8 IF

504.8 (19-7/8)


PRODUCT
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