Patent ID: 7472752

Claim:
An apparatus for forming multiple plugs in a wellbore, comprising: a first tubing section having an upper end and a lower end; a first tool located below the first tubing section and connected in fluid communication with the lower end of the first tubing section, the first tool comprising: at least one body member having a bore for permitting a first volume of fluid to pass into the bore and discharge from an end of the bore into the wellbore; at least one port in the body member that communicates with the bore for permitting a second volume of fluid to pass into the bore and discharge from the at least one port into the wellbore; and means for normally covering the at least one port to permit the first volume of fluid to discharge from the end of the bore into the wellbore, wherein the means is adapted to uncover the at least one port to permit the second volume of fluid to discharge from the at least one port into the wellbore; and a second tool located above the first tool and connected in fluid communication with the upper end of the first tubing section, the second tool comprising: an upper body member; a lower body member coupled to the upper body member; and means for decoupling the upper and lower body members to permit the upper body member, and any tubing sections above the upper body member, to be removed from the wellbore.