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        1. 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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