pre milled window 335 formed in the tubular member 315 after the collapsible apparatus 160 has moved to the second position additionally a plurality of seals 340 are disposed around the string of casing 150 to create a fluid tight seal between the string of casing 150 and the tubular member 315 0046 fig6 b is a cross sectional view illustrating the casing assembly 170 after alignment of the pre milled windows 325 335 as shown the locking mechanism 310 has failed in a manner discussed in a previous paragraph and the collapsible apparatus 160 has moved to the second position permitting the axial alignment of the pre milled windows 325 335 additionally the inwardly biased torque key 330 has engaged the groove 320 formed at the lower end of the tubular member 315 thereby rotationally aligning the pre milled windows 325 335 in this manner the pre milled windows 325 335 are aligned both axially and rotationally to provide an access window between the inner portion of the casing assembly 170 and the surrounding wellbore 100 0047 fig6 c is a cross sectional view illustrating a diverter 345 disposed adjacent the pre milled windows 325 335 the diverter 345 is typically disposed.