String Book - Logan Oil Tools

caSing Bit SizeS anD cLearanceS
SpAng-ChALFAnt EXtREME LInE CASIng
Casing Specifications Bit Size and Diametrical Clearances
Casing Casing Wt/Ft (lbs) Coupling Joint Bit Size Clearance
O.D. (in) I.D. (in) w/Couplings O.D. (in) I.D. (in) (in) Thousandths Nearest 64th
5 4.408 15.00 5.360 4.198 3-7/8 .323 21/64
5 4.276 18.00 5.360 4.198 3-7/8 .323 21/64
5-1/2 4.950 15.50 5.780 4.736 4-5/8 .111 7/64
5-1/2 4.892 17.00 5.780 4.701 4-5/8 .076 5/64
5-1/2 4.778 20.00 5.780 4.701 4-5/8 .076 5/64
5-1/2 4.670 23.00 5.780 4.610 4-1/4 .360 23/64
6 5.424 18.00 6.300 5.248 5-1/8 .123 1/8
6 5.352 20.00 6.300 5.248 5-1/8 .123 1/8
6 5.240 23.00 6.300 5.180 5 .180 3/16
6-5/8 5.921 24.00 6.930 5.781 5-5/8 .156 5/32
6-5/8 5.791 28.00 6.930 5.731 5-5/8 .106 7/64
6-5/8 5.675 32.00 6.930 5.615 5-3/8 .240 15/64
7 6.366 23.00 7.310 6.171 6 .171 11/64
7 6.276 26.00 7.310 6.171 6 .171 11/64
7 6.184 29.00 7.310 6.123 6 .123 1/8
7 6.094 32.00 7.310 6.032 5-7/8 .157 5/32
7 6.004 35.00 7.390 5.940 5-5/8 .315 5/16
7 5.920 38.00 7.390 5.860 5-5/8 .235 15/64
7-5/8 6.969 26.40 7.920 6.770 6-5/8 .145 9/64
7-5/8 6.875 29.70 7.920 6.770 6-5/8 .145 9/64
7-5/8 6.765 33.70 7.920 6.705 6-5/8 .080 5/64
7-5/8 6.625 39.00 7.920 6.565 6-1/4 .315 5/18
8-5/8 7.921 32.00 9.030 7.725 7-5/8 .100 3/32
8-5/8 7.825 36.00 9.030 7.725 7-5/8 .100 3/32
8-5/8 7.725 40.00 9.030 7.663 7-3/8 .288 9/32
8-5/8 7.625 44.00 9.030 7.565 7-3/8 .190 3/16
8-5/8 7.511 49.00 9.030 7.451 7-3/8 .076 5/64
9-5/8 8.835 40.00 10.020 8.665 8-1/2 .165 11/64
9-5/8 8.755 43.50 10.020 8.665 8-1/2 .165 11/64
9-5/8 8.681 47.00 10.020 8.621 8-1/2 .121 1/8
9-5/8 8.535 53.50 10.020 8.475 8-3/8 .100 3/32
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