String Book - Logan Oil Tools

96
caSing Bit SizeS anD cLearanceS
nAtIonAL SEAMLESS IntERnAL upSEt CASIng — hEAVy upSEt WIth 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 4.799 4-5/8 .164 5/32
5-1/2 4.950 15.50 6.050 4.686 4-1/2 .186 3/16
5-1/2 4.892 17.00 6.050 4.686 4-1/2 .186 3/16
5-1/2 4.778 20.00 6.050 4.580 4-1/4 .330 21/64
6 5.424 18.00 6.625 5.259 5 .259 17/64
6 5.352 20.00 6.625 5.149 5 .149 5/32
6-5/8 6.049 20.00 7.390 5.829 5-5/8 .204 13/64
6-5/8 5.921 24.00 7.390 5.701 5-3/8 .326 21/64
6-5/8 5.791 28.00 7.390 5.587 5-3/8 .212 7/32
7 6.456 20.00 7.656 6.273 6-1/8 .148 9/64
7 6.366 23.00 7.656 6.148 6 .184 3/16
7 6.276 26.00 7.656 6.005 5-7/8 .130 1/8
6.094 6 .094 3/32
7 6.184 29.00 7.656 5.916 5-1/4 .166 11/64
8-5/8 8.017 28.00 9.625 7.735 7-5/8 .110 7/64
8-5/8 7.921 32.00 9.625 7.636 7-3/8 .261 17/64
8-5/8 7.825 36.00 9.625 7.538 7-3/8 .163 5/32
8-5/8 7.725 40.00 9.625 7.538 7-3/8 .163 5/32
9-5/8 8.921 36.00 10.625 8.714 8-1/2 .214 7/32
9-5/8 8.835 40.00 10.625 8.635 8-1/2 .135 9/64
8.562 8-3/8 .187 3/16
9-5/8 8.755 43.50 10.625 8.562 8-3/8 .187 3/16
10-3/4 10.050 40.50 11.750 9.829 9-5/8 .204 13/64
For Grade N-80
Long Coupling
For Grade J-55