... the opposite end, with the coupling made-up power-tight (API Spec. 5CT). 3 From Table 1.4, L c - 7a in. and J - 0.500-in. Thus, Ll - @- J = 3.87 5- 0.500 = 3.375 in. aBased on Example. ... can be ex- plained by considering a 7-in., 20 lb/ft casing, with a wall thickness, t, of 0.272-in. Inside diameter - OD - 2t - 7 - 0.544 = 6.4,56 in. 10 Drift diameter = ID - = G.4SG ... open-hole completions. It is usually designed to hold the maximal shut-in pressure of the producing formations and may be designed to withstand stim- ulating pressures during completion and...