石油钻杆 brd 88.9x6.45

钻杆规格及参数specificationsand parameters of drill pipe

外径

od

壁厚

wall thickness

名义重量

nominal weight

计算平端重量

calculated plain end weight

钢级grade

加厚方式upset type

接头外径

od of pin and box

(in) (mm)

接头内径

id of pin and box

(in) (mm)

螺纹类型rsc type

丝扣threads

(in)

锥度taper

in mm

in mm

ib/ft kg/m

ib/ft kg/m

2 3/8

60.35

0.280

7.110

6.65

9.90

6.270

9.340

e

x

g

eu”

3 3/8 85.70

1 3/4 44.45

nc26 (2 3/8if)

4

1:6

2 7/8

73.02

0.362

9.19

10.40

15.49

9.720

14.470

e

x

g

s

eu

iu

4 1/8 104.80

2 1/8 53.98

nc31 (2 7/8if)

4

1:6

4 3/8 111.10

2 50.80

3 1/2

88.90

0.254

6.45

9.50

14.15

8.810

13.120

e

eu

4 3/4 120.70

2 11/16 68.26

nc38

4

1:6

3 1/2

88. 90

0.368

9.35

13.30

19.81

12.320

18.340

e

x

g

s

eu

iu

4 3/4 120.70

2 11/16 68.26

nc38（3 1/2if）

4

1:6

5 127.00

2 9/16 65.09

2 7/16 61.91

2 1/8 53.98

3 1/2

88.90

0.449

11.4

15.50

23.09

14.640

21.790

e

x

g

s

eu

iu

5 127.00

2 9/16 65.09

2 7/16 61.91

2 1/8 53.98

nc38（3 1/2if）

4

1:6

5 1/2 139.70

2 1/4 57.15

nc40 (4fh)