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Mast

● Mast types are including A type, K type (open-front type), derrick, mast, and bootstrap etc type.
● The shape of A-mast section is rectangle or triangle. A-mast has attractive features of high loading capacity and perfect local stability. Each section of A-mast is connected by pins. The mast is assembled on the ground and raised or lowered integrally by the power of drawworks upon the gin poles.
● The shape of K-mast section is “K” open face type. The beam legs adopt laminated girder structure. Each section of the mast is connected by pins. K masts can be assembled on the ground and raised or lowered integrally by the power of the drawworks upon the gin poles.
● The masts will incline to the wellhead during the drilling operation and keep their stability and load capacity by guy lines.
● The bootstrap mast which is the latest line product developed is a kind of telescoping and erecting mast which can be assembled vertically. The main feature is that the boot strap mast can be divided into several sections along the vertical direction. The base section will be as the guide section and the support section to raise and assemble the other sections in turn by the power of drawworks or the hydraulic power, which can save the field greatly for installation of drilling rig.

井架型号Model

JJ135/32-K

JJ170/41-K

JJ90/31-KS

JJ170/41-KS

JJ315/43-A

最大静负荷 KN

Max. static hook load, kN

1350

1700

900

1700

3150

工作高度 m 

Clear height, m

32

41

31

41

43

顶部跨距(正面×侧面)m

Top span (front × side), m

1.4×1.4

1.8×1.8

1.5×1.2

1.6×1.8

1.6×2.1

底部跨距 m

Bottom span, m

6

6.5/7.5

2.9

6.5

9

二层台高度 m

Height of monkey board, m

16.5, 17.5

24.5, 25.5, 26.5

17.5

24.5, 25.5, 26.5

22.1, 23.5, 25.5, 26.5

二层台容量 m

Setback capacity, m

2000

3000

1500

3000

4500

抗风

能力

Wind loading

非工作状态(满立根、无钩载)m/s

Under no working condition (no set back, no load) m/ s

36

36

36

36

36

非工作状态(无立根、无钩载)m/s

Under no working condition (stand, no load) m/ s

47.8

47.8

47.8

47.8

47.8

起放井架 m/s

Raising & lowering Mast, m/ s

≤8.3

≤8.3

≤8.3

≤8.3

≤8.3

重量 kg

Weight, kg

33100

39891

16627

62300

37874

    

井架型号Model

JJ350/43-K

JJ450/45-K

JJ450/45-K

JJ450/45-K

TJ2-41

JJ450/45-T

最大静负荷 KN

Max. static hook load, kN

3430

4500

4500

4500

2200

4500

工作高度 m 

Clear height, m

43

45.5

45.5

45

41

45

顶部跨距(正面×侧面)m

Top span (front × side), m

1.8×2.1

2.5×2.5

2.5×2.2

2.5×2.3

2.02×2.02

2.5×2.5

底部跨距 m

Bottom span, m

9

10

9

10

8.02×8.02

10×10

二层台高度 m

Height of monkey board, m

24.5, 25.5, 26.5

24.5, 25.5, 26.5

24.5, 25.5, 26.5

24.5,

25.5,

26.5

22.543

22.5

二层台容量 m

Setback capacity, m

5040

7000

7000

7000

4000

7000

抗风

 能力

Wind loading

非工作状态(满立根、无钩载)m/s

Under no working condition (no set back, no load) m/ s

36

36

36

36

36

36

非工作状态(无立根、无钩载)m/s

Under no working condition (stand, no load) m/ s

47.8

47.8

47.8

47.8

47.8

47.8

起放井架 m/s

Raising & lowering Mast, m/ s

≤8.3

≤8.3

≤8.3

≤8.3

≤8.3

≤8.3

重量 kg

Weight, kg

58603

81227

103000

103614

31179

57021

注:A-A型 K-K型 KS-K型伸缩 T-塔形 W-桅型 

Note: A-A mast  K-K mast  KS-Telescoping mast  T-Derrick  W-Mast

 

井架型号Model

JJ1170/42-K

JJ170/33-KS

JJ225/43-K

JJ225/42-K

JJ315/45-K

最大静负荷 KN

Max. static hook load, kN

1700

1700

2250

2250

3150

工作高度 m 

Clear height, m

42

33

43

42

45

顶部跨距(正面×侧面)m

Top span (front × side), m

1.8×1.8

1.6×1.3

1.8×2

1.8×1.8

2.1×2.05

底部跨距 m

Bottom span, m

7.5

2.9

9

7.5

9

二层台高度 m

Height of monkey board, m

23.25, 24.35, 25.35, 26.35

16.5, 17.5

24.5, 25.5, 16.5

24.5, 25.5, 16.5

24.5, 25.5, 16.5

二层台容量 m

Setback capacity, m

3000

3000

4000

4000

5000

抗风

 能力

Wind loading

非工作状态(满立根、无钩载)m/s

Under no working condition (no set back, no load) m/ s

36

36

36

36

36

非工作状态(无立根、无钩载)m/s

Under no working condition (stand, no load) m/ s

47.8

47.8

47.8

47.8

47.8

起放井架 m/s

Raising & lowering Mast, m/ s

≤8.3

≤8.3

≤8.3

≤8.3

≤8.3

重量 kg

Weight, kg

40910

28000

46922

42000

67552

    



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