Milling and cutting tools
NG type mechanical internal cutter

    This tool is lowered to a given depth through the hole of  the  drill string to be out, After mechanically anchored,It is pressured to rotate to cut the drill string,It is suitable for cutting different kinds of casing,off  tubing and drill pipe in oil geological departments, If  it is equipped with the pear,cutting and recovering can the completed at the same time,)

Technical parameters of NG type mechanical internal cutter

 

Type

mm

O.D. of internal cutter

mm

API

API of joint thread

Water hole

Mm

mm (in)

O. D. of cut tubing

(in)

NG60

46

CYG22 rod thread

12

60.3(2 3/8 )Tubing

NG73

57

1.900TBG

14

73(2 7/8 )Tubing

NG89

67

2 3/8 TBG,1.900TBG

14

88.9(3 1/2 )Tubing

NG102

83

2 3/8 TBG

14

101.6(4)Tubing

NG114

85

NC26

16

114.3(4 1/2 )Casing

114.3(4 1/2 )Tubing

114.3(4 1/2 )Drillpipe

127.0(5)Drillpipe

NG127

102

2 7/8 REG

16

127.0(5)Casing

127.0(5)Drillpipe

NG140

112

2 7/8 REG

16

139.75(5 1/2 )Casing

NG168

127

NC38

20

168.3(6 5/8 )Casing

NG168

138

NC38

20

168.3(6 5/8 )Casing

NG178

145

3 1/2 REG

40

177.8(7)Casing

NG219

185

5 1/2 FH

50

219.1(8 5/8 )Casing

NG245

210

6 5/8 REG

55

244.5(9 5/8 )Casing

NG298

260

6 5/8 REG

80

298.4(11 3/4 )Casing

NG340

295

6 5/8 REG

80

339.7(13 3/8 )Casing

NG406

370

6 5/8 REG

125

406.4(16)Casing

NG508

475

6 5/8 REG

125

508(20)Casing

 

 

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