Section R. 325.1626 - Construction of wells; steel casingRule 126.
(1) Steel pipe that is used as permanent well casing shall be new pipe that is manufactured in compliance with the standards of ASTM specification A 53-90b, A 106-91, or A 589-89a or in compliance with the standards of API specification 5L-90. The specifications are adopted by reference in R 325.1610.(2) Steel pipe that is used as permanent well casing shall be at least standard weight or schedule 40 through 10 inches inside diameter. Larger diameter pipe shall be at least standard weight. Weights and dimensions of standard weight or schedule 40 pipe are set forth in ASTM specification A 53-90b, A 106-91, and A 589-89a, API 5L-90 specification, and in table 1. Table 1
Steel Well Casing
Pipe Weights and Dimensions*
Nominal Inside | Weight | Lbs. | Per Ft. | Wall | Outside |
Pipe Size Diameter | Weight/ | Plain | Threaded/ | Thickness | Diameter |
(Inches) | Schedule End | Couplings | (Inches) | (Inches) | (Inches) |
1 1/4 | Std./40 | 2.27 | 2.30 | .140 | 1.660 |
1.380 |
1 1/2 | " | 2.72 | 2.75 | .145 | 1.900 |
1.610 |
2 | " | 3.65 | 3.75 | .154 | 2.375 |
2.067 |
2 1/2 | " | 5.79 | 5.90 | .203 | 2.875 |
2.469 |
3 | " | 7.58 | 7.70 | .216 | 3.500 |
3.068 |
3 1/2 | " | 9.11 | 9.25 | .226 | 4.000 |
3.548 |
4 | " | 10.79 | 11.00 | .237 | 4.500 |
4.026 |
5 | " | 14.62 | 15.00 | .258 | 5.563 |
5.047 |
6 | " | 18.97 | 19.45 | .280 | 6.625 |
6.065 |
8 | " | 28.55 | 29.35 | .322 | 8.625 |
7.981 |
10 | " | 40.48 | 41.85 | .365 | 10.750 |
10.020 |
12 | Std. | 49.56 | 51.15 | .375 | 12.750 |
12.000 |
14 | " | 54.57 | 57.00 | .375 | 14.000 |
13.250 |
16 | " | 62.58 | 65.30 | .375 | 16.000 |
15.250 |
18 | " | 70.59 | 73.00 | .375 | 18.000 |
17.250 |
20 | " | 78.60 | 81.00 | .375 | 20.000 |
19.250 |
24 | " | 94.62 | - | .375 | 24.000 |
23.250 |
* Dimensions and tolerances are listed in the specifications adopted in R 325.1610.
(3) Each length of steel pipe that is used as permanent well casing shall be legibly marked, by the manufacturer, with all of the following information: (a) The name of the manufacturer.(b) The kind of pipe (continuous welded, electric resistance welded, or seamless).(c) The weight or schedule.(d) The nominal or outside diameter.(e) The specification number.(g) The heat or lot number.Mich. Admin. Code R. 325.1626