How to Properly Install casingTubing for Maximum Efficiency
Installing casing and tubing is a critical step in the Oil and gas production process. Proper installation is essential for maximum efficiency and safety. This guide outlines the steps necessary for a successful installation.
1. Select the appropriate casing and tubing. The size and type of casing and tubing should be chosen based on the well’s depth, pressure, and other factors.
2. Prepare the well. Before installing the casing and tubing, the well must be cleared of any debris or obstructions.
3. Install the casing. The casing should be installed in sections, with each section being securely connected to the next.
4. Install the tubing. The tubing should be installed in the same manner as the casing, with each section being securely connected to the next.
5. Pressure test the system. Once the casing and tubing have been installed, the system should be pressure tested to ensure that it is properly sealed and functioning correctly.
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By following these steps, you can ensure that your casing and tubing are properly installed for maximum efficiency and safety.
Understanding the Different Types of Casing Tubing and Their Uses
Casing and tubing are essential components of oil and gas wells. Casing is a large-diameter pipe that is installed in the wellbore to provide structural integrity and to prevent the wellbore from collapsing. Tubing is a smaller-diameter pipe that is installed inside the casing and is used to transport oil and gas from the reservoir to the surface.
There are several different types of casing and tubing that are used in oil and gas wells. The most common type of casing is surface casing, which is installed at the surface of the wellbore and is used to protect the wellbore from contamination and to provide structural integrity. Intermediate casing is installed below the surface casing and is used to isolate different zones of the wellbore. Production casing is installed at the bottom of the wellbore and is used to isolate the production zone from the rest of the wellbore.
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Tubing is also used in oil and gas wells. Production tubing is installed inside the production casing and is used to transport oil and gas from the reservoir to the surface. In some cases, a liner may be installed inside the production tubing to provide additional support and to reduce the risk of corrosion.
Calculated Mass c
Nominal Linear Mass T& C b,c
Wall Thick- ness
em, Mass Gain or Loss Due to End Finishing d
Labels a
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
7
17
177.8
25.6
5.87
166.06
162.88
24.89
7.61
—
—
—
7
20
177.8
29.91
6.91
163.98
160.8
29.12
6.74
— 7.94
— 8.28
— 0.58
7
23
177.8
34.67
8.05
161.7
158.75 e 158.52 156.24 153.90
33.7
6.26
7.94
8.28
0.58
7
23
177.8
34.67
8.05
161.7
152.40 e
33.7
6.26
7.37
7.65
–0.54
7
26
177.8
39.14
9.19
159.42
151.6
38.21
5.79
6.79
7.13
–0.69
7
29
177.8
43.6
10.36
157.08
149.32
42.78
—
6.23
6.4
–1.31
7
32
177.8
47.92
11.51
154.78
147.18
47.2
—
6.23
6.4
–1.31
7
32
177.8
47.92
11.51
154.78
142.86
47.2
—
5.68
5.79
–1.91
7
35
177.8
52.09
12.65
152.5
139.72
51.52
—
5.18
5.24
–2.47
7
38
177.8
56.1
13.72
150.36
136.52
55.52
—
—
—
—
7
42.7
177.8
63.84
15.88
146.04
133.38
63.41
—
—
—
—
7
46.4
177.8
69.35
17.45
142.9
130.18
69.01
—
—
—
—
7
50.1
177.8
74.85
19.05
139.7
74.58
—
—
—
—
7
53.6
177.8
80.21
20.62
136.56
79.93
—
—
—
—
7
57.1
177.8
85.42
22.22
133.36
85.25
—
7 5/8
24
193.68
35.72
7.62
178.44
175.26
34.96
7.11
— 8.58
— 9.12
— 2.59
7 5/8
26.4
193.68
39.29
8.33
177.02
173.84
38.08
6.78
7.91
8.38
1.84
7 5/8
29.7
193.68
44.2
9.52
174.64
171.46
43.24
—
7.13
7.51
0.98
7 5/8
33.7
193.68
50.15
10.92
171.84
168.66
49.22
—
6.16
6.44
– 0.10
7 5/8
39
193.68
58.04
12.7
168.28
165.1
56.68
—
5.32
5.5
–1.03
7 5/8
42.8
193.68
63.69
14.27
165.14
161.96
63.14
—
4.87
5.01
–1.52
7 5/8
45.3
193.68
67.41
15.11
163.46
160.28
66.54
—
4.48
4.57
–1.96
7 5/8
47.1
193.68
70.09
15.88
161.92
158.74
69.63
—
—
—
—
7 5/8
51.2
193.68
76.19
17.45
158.78
155.6
75.84
—
—
—
—
7 5/8
55.3
193.68
82.3
19.05
155.58
152.4
82.04
—
7 3/4
46.1
196.85
68.6
15.11
166.63
165.10 e
67.72
—
—
—
—
7 3/4
46.1
196.85
68.6
15.11
166.63
163.45
67.72
—
—
—
—
In addition to casing and tubing, other types of pipe are used in oil and gas wells. These include flow lines, which are used to transport oil and gas from the wellhead to the surface, and injection lines, which are used to inject water, gas, or other fluids into the wellbore.
Casing and tubing are essential components of oil and gas wells and are used to provide structural integrity, isolate different zones of the wellbore, and transport oil and gas from the reservoir to the surface. Different types of casing and tubing are used for different purposes, and other types of pipe are also used in oil and gas wells.
4. Install the tubing. The tubing should be installed in the same manner as the casing, with each section being securely connected to the next.
By following these steps, you can ensure that your casing and tubing are properly installed for maximum efficiency and safety.
