API Replaceable Sleeve Stabilizer Downhole Drilling Stabilizer with Sleeve Changeable

Replaceable sleeve stabilizer consists of mandrel and sleeve.The function is the same as spiral integral blade stabilizer.It can suit to different hole sizes and increase working life by changing the different size sleeve.The sleeve is threaded on the mandrel ,so the sleeve can be fasten to the mandrel tightly and changed easily.

Specification


Model

Hole Size
mm(inch)

Fishing
Neck OD
mm(inch)

Upper
Conn.

Lower
Conn.

ID
mm(inch)

Fishing
Neck
Length
mm(inch)

OAL
mm(inch)

Remark

KH149

149.2(5 7/8)

120.7(4 3/4)

NC38

NC38

50.8(2)

559(22)

1372(54)

String

KH149-NB

3 1/2REG

Near Bit

KH216

215.9(8 1/2)

165.1(6 1/2)

NC50

NC50

71.4(2 13/16)

686(27)

1676(66)

String

KH216-NB

4 1/2REG

Near Bit

KH311

311.15(12 1/4)

203.2(8)

6 5/8REG

6 5/8REG

71.4(2 13/16)

610(24)

1550(61)

String

KH311-NB

Near Bit

KH444.5

444.5(17 1/2)

228.6(9)

7 5/8REG

7 5/8REG

76.2(3)

686(27)

1702(67)

String

KHA44.5-NB

Near Bit

KH660

660.4(26)

241.3(9 1/2)

7 5/8REG

7 5/8REG

76.2(3)

660(26)

1930(76)

String

KH660-NB

Near Bit


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