chengshun

Oil Casing Pipe Specification Table

2018-03-19


The oil casing pipe is the steel pipe used to support the well wall of oil and gas. To ensure the normal operation of the whole oil well during the well drilling and after drilling.

Outer

Diameter

Theoretical

Weight

Wall

Thickness

Inter

Diameter

Nominal

Diameter

Coupling

Outer

Diameter

Thread

Type

Steel

Grade

Length

139.7

(5-1/2)

20.85(0.244)

23.09(15.50)

25.32(17.00)

29.79(20.00)

34.26(23.00)

6.20(0.244)

6.98(0.275)

7.72(0.304)

9.17(0.361)

10.54(0.415)

127.3(5.012)

125.7(4.950)

124.3(4.892)

121.4(4.778)

118.6(4.670)

124.1(4.887)

122.6(4.825)

121.1(4.767)

118.2(4.653)

115.4(4.545)

153.7

(6.050)

LTC

STC

BTC

J55

N80

P110

8m-12m

(2602-39.4)

177.8

(7)

25.52917.00)

29.79(20.00)

34.26(23.00)

38.73(26.00)

43.20(29.00)

47.66(32.00)

52.13(35.00)

56.60(38.00)

5.87(0.231)

6.91(0.272)

8.05(0.317)

9.19(0.362)

10.36(0.408)

11.51(0.453)

12.65(0.498)

13.72(0.540)

166.1(6.538)

164.2(6.456)

161.7(6.366)

159.4(6.276)

157.1(6.180)

154.8(6.090)

152.5(6.004)

150.4(5.430)

162.9(6.413)

160.8(6.331)

158.5(6.204)

156.2(6.151)

153.9(6.059)

151.6(5.969)

149.3(5.879)

147.2(5.795)

194.5

(7.656)

LTC

STC

BTC

J55

N80

P110

8m-12m

(2602-39.4)

219.1

(8-5/8)

35.75(24.00)

41.71(28.00)

47.66(32.00)

53.62(36.00)

59.58(40.00)

6.71(0.264)

7.72(0.304)

8.94(0.352)

10.16(0.400)

11.43(0.450)

205.7(8.093)

203.7(8.020)

201.2(7.927)

198.8(7.827)

196.2(7.724)

202.5(7.972)

200.5(7.894)

198.0(7.795)

195.6(7.701)

193.0(7.598)

244.5

(9.625)

LTC

STC

BTC

J55

N80

P110

8m-12m

(2602-39.4)

244.5

(9-5/8)

48.11(32.30)

53.62(36.00)

59.58(40.00)

64.79(43.50)

70.01(47.00)

71.69(53.50)

7.92(0.312)

8.94(0.352)

10.03(0.395)

11.05(0.435)

11.99(0.472)

13.84(0.545)

328.7(9.001)

236.6(8.921)

224.4(8.835)

232.4(8.755)

320.5(8.681)

216.8(8.535)

244.7(8.845)

222.6(8.765)

220.4(8.679)

218.4(8.599)

216.5(8.525)

212.8(8.379)

269.6

(10.625)

LTC

STC

BTC

J55

N80

P110

8m-12m

(2602-39.4)

273.0

(10-3/4)

48.78(32.75)

60.32(40.50)

67.77(45.50)

75.96(51.00)

82.67(55.50)

7.09(0.279)

8.89(0.350)

10.26(0.400)

11.43(0.450)

12.57(0.495)

258.9(10.192)

255.3(10.050)

252.7(9.950)

250.2(9.850)

247.9(9.760)

254.9(10.035)

251.3(9.894)

248.8(9.794)

246.2(9.694)

243.9(9.604)

298.5

(11.752)

LTC

STC

BTC

J55

N80

P110

8m-12m

(2602-39.4)

339.7

(13-3/8)

71.50(48.00)

81.18(54.50)

90.86(61.00)

101.69(68.00)

8.38(0.330)

9.65(0.380)

10.92(0.430)

12.19(0.480)

322.9(12.715)

320.4(12.615)

317.9(12.515)

315.3(12.415)

319.0(12.559)

316.5(12.459)

313.9(12.359)

311.4(12.259)

365.1

(14.374)

LTC

STC

BTC

J55

N80

P110

8m-12m

(2602-39.4)

73.0

(2-7/8)

9.53(6.40)

11.62(7.90)

12.81(8.60)

5.51(0217)

7.01(0.276)

7.82(0.308)

62.00(2.441)

59.00(2.323)

57.40(2.259)

59.61(2.347)

56.62(2.229)

54.99(2.165)

88.9

(3.500)

LTC

STC

J55

N80

8.5m-9.5m

(27.9-31.2)

88.9

(3-1/2)

11.47(7.70)

15.19(10.20)

5.49(0.216)

7.34(0.289)

77.9(3.067)

76.0(2.992)

24.25(2.943)

21.04(2.797)

107.95

(4.250)

LTC

STC

J55

N80

8.5m-9.5m

(27.9-31.2)

114.3

(4-1/2)

18.77(12.60)

6.88(0.271)

100.5(3.957)

97.37(3.833)

132.08

(5.200)

LTC

STC

J55

N80

8.5m-9.5m

(27.9-31