String Book - Logan Oil Tools

caSing Bit SizeS anD cLearanceS
nAtIonAL SEAMLESS IntERnAL upSEt CASIng — LIght upSEt, ShoRt CoupLIng
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
5-1/2 5.012 14.00 6.050 4.917 4-3/4 .167 11/64
5-1/2 4.950 15.50 6.050 4.856 4-3/4 .106 7/64
5-1/2 4.892 17.00 6.050 4.799 4-5/8 .174 11/64
5-1/2 4.778 20.00 6.050 4.686 4-1/2 .186 3/16
6 5.424 18.00 6.625 5.330 5-1/8 .205 13/64
6 5.352 20.00 6.625 5.259 5 .259 17/64
6-5/8 6.049 20.00 7.390 5.955 5-5/8 .330 21/64
6-5/8 5.921 24.00 7.390 5.829 5-5/8 .204 13/64
6-5/8 5.791 28.00 7.390 5.701 5-3/8 .326 21/64
7 6.538 17.00 7.656 6.443 6-1/4 .193 3/16
7 6.456 20.00 7.656 6.362 6-1/4 .112 7/64
7 6.366 23.00 7.656 6.273 6-1/8 .148 9/64
7 6.276 26.00 7.656 6.184 6 .184 3/16
7 6.184 29.00 7.656 6.094 6 .094 3/32
8-5/8 8.017 28.00 9.625 7.924 7-5/8 .299 19/64
8-5/8 7.921 32.00 9.625 7.829 7-5/8 .204 13/64
8-5/8 7.825 36.00 9.625 7.735 7-5/8 .110 7/64
8-5/8 7.725 40.00 9.625 7.636 7-3/8 .261 17/64
8-5/8 7.625 44.00 9.625 7.538 7-3/8 .163 5/32
9-5/8 9.001 32.30 10.625 8.877 8-3/4 .127 1/8
9-5/8 8.921 36.00 10.625 8.799 8-5/8 .174 11/64
9-5/8 8.835 40.00 10.625 8.714 8-1/2 .214 7/32
9-5/8 8.755 43.50 10.625 8.635 8-1/2 .135 9/64
10-3/4 10.192 32.75 11.750 10.067 9-7/6 .192 3/16
10-3/4 10.050 40.50 11.750 9.928 9-3/4 .178 11/64
10-3/4 9.950 45.50 11.750 9.829 9-5/8 .204 13/64
10-3/4 9.850 51.00 11.750 9.731 9-1/2 .231 15/64
95