The oil industry is a vital sector that plays a crucial role in the global economy. It is responsible for the extraction, refining, and distribution of oil, which is used as a primary source of energy worldwide. In order to ensure the smooth operation of oil wells, various equipment and materials are required. One such Material that is of utmost importance in the oil industry is seamless steel pipe oil casing.
casing pipe,casing well pipe, casing supreme pipe, casing vs carrier pipe, casing for ac pipe, casing steel pipe, casing pipe size, casing pvc pipe price, casing pipe, casing pipe suppliers in China, casing capping pipe, casing drill pipe,carrier pipe,casing pipe size,bushing Flange,bushing sleeve,bushing,bushing arm,bushing bearing,bushing Reducer,bushing tool,bushing pvc,bushing meaning
Chemical Composition
C
Mn
P≤
S≤
Si≤
0.06-0.18
0.27-0.63
0.035
0.035
0.25
Seamless steel pipe oil casing is a type of pipe that is used to line the walls of oil wells. It is designed to provide structural support to the wellbore and protect the drilling fluid from contamination. The casing also prevents the collapse of the wellbore and ensures the efficient extraction of oil and gas.
One of the key advantages of seamless steel pipe oil casing is its durability. The casing is made from high-quality steel that is resistant to corrosion and can withstand high pressure and temperature. This makes it ideal for use in harsh and demanding environments, such as offshore drilling rigs and deep-water wells. The seamless construction of the pipe also eliminates the risk of leaks and ensures the integrity of the wellbore.
API 5CT L80 Casing TubingDimensions and Masses for Standard Casing and for Casing Threaded with
API Round Thread and Buttress Thread
Labels a
Calculated Mass c
Nominal Linear Mass T& C b,c
Wall Thick- ness
em, Mass Gain or Loss Due to End Finishing d
Outside Diameter
Inside Diameter
Drift Diameter
Plain- end
kg
Round Thread
Buttress Thread
wpe
D
kg/m
t
D
mm
kg/m
Short
Long
RC
SCC
mm
mm
mm
1
2
3
4
5
6
7
8
9
10
11
12
4 1/2
9.5
114.3
14.38
5.21
103.88
100.7
14.02
3.64
—
— 4.53
— 1.12
4 1/2
10.5
114.3
15.73
5.69
102.92
99.74
15.24
3.33
— 3.61
4.32
0.91
4 1/2
11.6
114.3
17.38
6.35
101.6
98.42
16.91
3.18
3.35
4.07
0.6
4 1/2
13.5
114.3
19.87
7.37
99.56
96.38
19.44
—
3.53
3.64
0.24
4 1/2
15.1
114.3
22.69
8.56
97.18
94
22.32
—
5
11.5
127
17.19
5.59
115.82
112.64
16.74
4.32
— 4.85
— 5.38
— 1.24
5
13
127
19.69
6.43
114.14
110.96
19.12
4
4.51
4.99
0.61
5
15
127
22.69
7.52
111.96
108.78
22.16
3.71
4.52
4.4
0.22
5
18
127
27.19
9.19
108.62
105.44
26.7
—
3.45
3.76
–0.62
5
21.4
127
32.13
11.1
104.8
101.62
31.73
—
3.15
3.42
–0.96
5
23.2
127
34.76
12.14
102.72
99.54
34.39
—
2.99
3.23
–1.14
5
24.1
127
36.15
12.7
101.6
98.42
35.8
—
5 1/2
14
139.7
20.91
6.2
127.3
124.12
20.41
4.6
— 5.26
— 5.71
— 0.87
5 1/2
15.5
139.7
23.48
6.98
125.74
122.56
22.85
4.36
5.31
5.41
0.58
5 1/2
17
139.7
25.72
7.72
124.26
121.08
25.13
4.14
4.5
4.84
0.45
5 1/2
20
139.7
30.05
9.17
121.36
118.18
29.52
—
4.37
4.31
-0.52
5 1/2
23
139.7
34.05
10.54
118.62
115.44
33.57
—
—
—
—
5 1/2
26.8
139.7
40.15
12.7
114.3
111.12
39.78
—
—
—
—
5 1/2
29.7
139.7
44.47
14.27
111.16
107.98
44.14
—
—
—
—
5 1/2
32.6
139.7
48.74
15.88
107.94
104.76
48.49
—
—
—
—
5 1/2
35.3
139.7
52.8
17.45
104.8
101.62
52.61
—
—
—
—
5 1/2
38
139.7
56.82
19.05
101.6
98.42
56.68
—
—
—
—
5 1/2
40.5
139.7
60.64
20.62
98.46
95.28
60.55
—
—
—
—
5 1/2
43.1
139.7
64.41
22.22
95.26
92.08
64.38
—
6 5/8
20
168.28
29.76
7.32
153.64
150.46
29.06
5.58
6.23
6.35
0.89
6 5/8
24
168.28
35.72
8.94
150.4
147.22
35.13
4.42
5.48
5.52
0.68
6 5/8
28
168.28
41.67
10.59
147.1
143.92
41.18
—
4.73
4.71
–0.75
6 5/8
32
168.28
47.62
12.06
144.16
140.98
46.46
—
4.73
4
–1.46
Another important feature of seamless steel pipe oil casing is its ability to withstand external forces. During the drilling process, the casing is subjected to various forces, such as tension, compression, and bending. The casing must be able to withstand these forces without deforming or breaking. Seamless steel pipe oil casing is designed to have high Tensile strength and excellent resistance to deformation, making it highly reliable
