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Welcome to visit牡丹江中原鉆采有限公司! English中文
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The drilling tool

The drilling tool

Hole Opener

TIME:2017/3/21 14:49:23

固定直徑擴孔器  

Hole Opener

固定直徑擴孔器用于陸地油田和海洋油田擴鉆表層大孔,即它被用來擴大牙輪鉆頭預先鉆完的井眼,或者接于鉆頭之上,同時完成鉆、擴井作業。

牙輪有三種類型:“SM”型牙輪用于軟到中硬地層;“MH”型牙輪用于中硬至硬地層;“XH”型牙輪用于硬地層。

Fixed Diameter Hole Opener is used for enlarging the surface hole which drilled by cone bit in advance, or connected above the cone bit. It applies to Onshore and offshore oilfield.

Cutters type: "SM": Soft to medium formation; "MH": Medium to hard formation; "XH": Hard formation.

Specifications

Model

Opening Size
mm(inch)

Number
of
Cutters

Pilot Hole(Min.) mm(inch)

Fishing Neck
mm(inch)

UpperConn.

LowerConn.

ID
mm(inch)

OAL
mm(inch)

KZ3-216

215.9
(8 1/2)

3

165.1
(6 1/2)

120.7
(4 3/4)

NC38

3 1/2REG

25.4
(1)

1524
(60)

KZ3-311

311
(12 1/4)

3

215.9
(8 1/2)

203.2
(8)

6 5/8REG

4 1/2REG

38.1
(1 1/2)

1524
(60)

KZ3-444

444.5
(17 1/2)

3

266.7
(10 1/2)

241.3
(9 1/2)

7 5/8REG

7 5/8REG

57.2
(2 1/4)

1752
(69)

KZ3-584

584
(23)

3

355.6
(14)

241.3
(9 1/2)

7 5/8REG

7 5/8REG

76.2
(3)

1753
(69)

KZ3-660

660.4
(26)

3

444.5
(17 1/2)

241.3
(9 1/2)

7 5/8REG

7 5/8REG

76.2
(3)

1753
(69)

KZ3-813

812.8
(32)

3

444.5
(17 1/2)

241.3
(9 1/2)

7 5/8REG

7 5/8REG

76.2
(3)

1850
(72-27/32)

KZ3-914

914.4
(36)

3

609.6
(24)

241.3
(9 1/2)

7 5/8REG

7 5/8REG

76.2
(3)

1905
(75)

KZ4-914

914.4
(36)

4

444.5
(17 1/2)

241.3
(9 1/2)

7 5/8REG

7 5/8REG

89
(3 1/2)

2650
(104 3/8)

KZ4-813

812.8
(32)

4

444.5
(17 1/2)

241.3
(9 1/2)

7 5/8REG

7 5/8REG

76.2
(3)

2540
(100)

KZ6-1067

1066.8
(42)

6

660.4
(26)

241.3
(9 1/2)

7 5/8REG

7 5/8REG

76.2
(3)

1955
(77)


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