API BULL 5C2 High Collapse Casing

  • API BULL 5C2 High Collapse Casing
API BULL 5C2 High Collapse Casing

Applicable standards and technical requirements
API SPEC 5CT Specification for casing and tubing
API TR 5C3 Calculated performance properties of pipe used as casing or tubing
API BULL 5C2 Bulletin on performance properties of casing, tubing and drill pipe

B. High strength high collapse casing

Applicable standards and technical requirements

API SPEC 5CT   Specification for casing and tubing

API TR 5C3 Calculated performance properties of pipe used as casing or tubing

API BULL 5C2  Bulletin on performance properties of casing, tubing and drill pipe

 

Mechanical properties

Grade

Yield strength/Mpa

Tensile Strength/Mpa

Elongation

BL110/BL110T/BL110TT

758~965

862

Calculated according to API 5CT formula

BL125/BL125T/BL125TT

862~1034

≥931

BL130/BL130T/BL130TT

896~1103

≥965

BL140/BL140T/BL140TT

965~1172

≥1034

BL150/BL150T/BL150TT

1034~1241

≥1103

 

D/mm

T/mm

Collapse resistance/Mpa

110

125

130

140

150

BL110

BL110T

Q125

Q125T

Q130

Q130T

Q140

Q140T

Q150

Q150T

114.3

8.56

98.9

119.6

109.2

 

127.1

112.4

130.7

118.7

137.7

124.8

144.4

127

9.19

92.8

112.2

102.1

119

105.1

122.2

110.8

128.6

116.1

134.6

11.1

121

143.7

137.5

155.2

143

160.9

154

172.4

165

183.9

12.14

131.2

155.7

149.1

168.1

155

174.3

166.9

186.8

178.8

199.2

12.7

136.6

162

155.1

174.9

161.3

181.4

173.7

194.4

186.2

207.3

139.7

9.17

76.6

92.5

83.4

97.4

85.4

99.8

89.3

104.2

92.9

108.3

10.54

100.2

121.3

110.7

128.8

114.1

132.6

120.5

139.7

126.7

146.6

12.7

125.4

148.9

142.5

160.7

148.2

166.6

159.6

178.6

170.9

190.5

168.3

8.94

46.4

55.8

48.4

57.3

48.9

57.9

49.5

58.9

50.7

59.3

10.59

70.1

84.6

75.8

88.7

77.5

90.7

80.7

94.4

83.6

97.7

177.8

10.36

58.8

70.9

62.8

73.8

63.9

75.1

65.9

77.5

67.6

79.4

11.51

74.4

89.9

80.7

94.5

82.8

96.7

86.4

100.9

89.7

104.7

12.65

89.9

108.7

98.7

115.1

101.5

118.2

106.8

124.2

111.9

129.8

13.72

104.4

126.3

115.5

134.3

119.1

138.3

126

146

132.7

153.3

193.68

9.52

36.8

44.2

39.1

45.2

39.7

45.9

40.9

47.2

41.7

48.2

10.92

54.2

65.4

57.5

67.8

58.4

68.8

59.9

70.7

61

72.1

12.7

76.4

92.3

83.2

97.2

85.2

99.5

89.1

104

92.6

108

219.08

10.16

32.3

38.2

34

39.4

34.5

39.9

 

35

40.6

35.4

41.1

11.43

44.1

53

45.8

54.3

46.1

54.8

47.1

55.4

48.5

55.9

12.7

58.1

70

61.9

72.8

63

74.1

64.9

76.4

66.4

78.3

 

Note: TT series anti collapse performance need to negotiate with end user.

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