What Are the Different Types of Pipelines Used by the Department of Transportation?
The Department of Transportation (DOT) uses a variety of pipelines for transporting Oil, gas, and other hazardous materials. These include:
1. Natural Gas Pipelines: These pipelines are used to transport natural gas from production sites to processing plants and then to end-users.
2. Petroleum Pipelines: These pipelines are used to transport crude oil and refined petroleum products from production sites to refineries and then to end-users.
3. Hazardous Liquid Pipelines: These pipelines are used to transport hazardous liquids such as gasoline, diesel, and jet fuel from production sites to refineries and then to end-users.
4. Hazardous Gas Pipelines: These pipelines are used to transport hazardous gases such as propane, butane, and ethane from production sites to processing plants and then to end-users.
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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
13 3/8
48
339.72
71.43
8.38
322.96
318.99
68.48
15.04
—
— 17.91
—
13 3/8
54.5
339.72
81.1
9.65
320.42
316.45
78.55
13.88
—
16.44
—
13 3/8
61
339.72
90.78
10.92
317.88
313.91
88.55
12.74
—
14.97
—
13 3/8
68
339.72
101.19
12.19
315.34
311.37
98.46
11.61
—
14.97
—
13 3/8
68
339.72
101.19
12.19
315.34
311.37
98.46
11.67 f
—
14.33
—
13 3/8
72
339.72
107.15
13.06
313.6
311.15 e
105.21
10.98
—
13.98
—
13 3/8
72
339.72
107.15
13.06
313.6
311.15 e 309.63 309.63
105.21
10.91 f
—
14.33
—
13 3/8
72
339.72
107.15
13.06
313.6
105.21
10.98
—
13.98
—
13 3/8
72
339.72
107.15
13.06
313.6
105.21
10.91 e
—
—
16
65
406.4
96.73
9.53
387.4
382.57
96.73
18.59
—
— 20.13
—
16
75
406.4
111.61
11.13
384.1
379.37
108.49
16.66
—
18.11
—
16
84
406.4
125.01
12.57
381.3
376.48
122.09
14.92
—
—
—
16
109
406.4
162.21
16.66
373.1
368.3
160.13
—
—
—
18 5/8
87.5
473.08
130.21
11.05
450.98
446.22
125.91
33.6
—
39.25
—
20
94
508
139.89
11.13
485.7
480.97
136.38
20.5
27.11
24.78
—
20
94
508
139.89
11.13
485.7
480.97
136.38
20.61
27.26 g 24.27 17.84
24.78
—
20
106.5
508
158.49
12.7
482.6
477.82
155.13
18.22
22
—
20
133
508
197.93
16.13
475.7
470.97
195.66
13.03
16.02
—
NOTE See also Figures D.1, D.2, and D.3.
a Labels are for information and assistance in ordering.
b Nominal linear masses, threaded and coupled (Column 4) are shown for information only.
c The densities of martensitic chromium steels ( L80 Types 9Cr and 13Cr) are less than those of carbon steels; The masses shown are therefore not accurate for martensitic chromium steels; A mass correction factor of 0.989 shall be used.
d Mass gain or loss due to end finishing; See 8.5.
e Drift diameter for most common bit size; This drift diameter shall be specified in the purchase agreement and marked on the pipe; See 8.10 for drift requirements.
f Based on 758 mPa minimum yield strength or greater.
g Based on 379 mPa minimum yield strength.
6. Water Pipelines: These pipelines are used to transport water from production sites to processing plants and then to end-users.
What Are the Regulations and safety Standards for Pipelines Used by the Department of Transportation?
The Department of Transportation (DOT) has established regulations and safety standards for pipelines used in the transportation of hazardous materials. These regulations and standards are designed to ensure the safe and efficient operation of pipelines and to protect the public from potential hazards. The regulations and standards cover a wide range of topics, including design, construction, operation, maintenance, and inspection of pipelines. Additionally, the DOT requires that all pipelines be tested and inspected regularly to ensure they are in compliance with the regulations and safety standards.
3. Hazardous Liquid Pipelines: These pipelines are used to transport hazardous liquids such as gasoline, diesel, and jet fuel from production sites to refineries and then to end-users.
4. Hazardous Gas Pipelines: These pipelines are used to transport hazardous gases such as propane, butane, and ethane from production sites to processing plants and then to end-users.
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