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Coiled rod

Brief Introduction:

Steel continuous sucker rod material is made of high-quality chromium nickel molybdenum alloy steel and advanced smelting method. It is processed by advanced flash butt welding and heat treatment technology.

1.     The life of the sucker rod is greatly prolonged by slowing down the eccentric wear.

2.     There is no coupling in the middle, which reduces the failure frequency of the sucker rod.

3.     There is no connecting part in the middle, which reduces the weight of the rod and reduces the working stress of the sucker rod.

4.     The piston effect of the coupling is eliminated, the downward speed of the rod column is accelerated, and the pump efficiency is improved.

5.     The annulus area of the string is increased and the liquid flow resistance is reduced.

6.     It can be used for small diameter oil pipe and has a wider application range.

7.     Use special operation equipment to improve operation efficiency and reduce workover time.

Size and model

nominal size of rod

short shaft diameter 

long shaft diameter

cross sectional area

weight

mm

±0.4

±0.4

mm2

±0.25

mm

mm

mm

　

kg/m

LG16

16

13.6

18.1

≥198

1.56

LG19

19

15.2

22.1

≥285

2.24

LG22

22

17.8

25.5

≥387

3.04

LG25

25

19.5

32

≥506

3.98

LG27

27

22

32

≥572

4.49

LG29

29

24.5

32.5

≥642

5.04

LGY16

16

15.9

15.9

≥198

1.56

LGY19

19

19.1

19.1

≥285

2.24

LGY20

20

20

20

≥314

2.43

LGY22

22

22.2

22.2

≥387

3.04

LGY25

25

25.4

25.4

≥506

3.98

LGY28

28

28

28

≥615

4.83

LGY29

29

28.6

28.6

≥642

5.04

LGY30

30

30

30

≥706

5.54

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