User:CarbonPETRO

Continuous circulation system while drilling is used for continuous flushing of wellbore while making up the connections through out the well drilling process.Continuous circulation or uninterrupted flushing of wellbore while drilling was presented back in 1939 by Dyer and then in 1967 by Jackson. Lately in 1971 CCS was presented by Hutchinson Chevron Corporation. More recent systems providing continuous circulation and flushing while drilling were presented by Aylin in 2001, Allen. et. el. 2002, Weatherford Corporation and by Strazhgorodskiy in 2007.

Table presenting comparison of different continuous circulation system functionality for well drilling operations.