TP140V casing with TP-CQ premium connection sets new record of well depth

TP140V (O.D.273.05mm×W.T.13.84mm) casing with TP-CQ premium connection is applied in the well #7 Keshen in Tarim Oil Field as intermediate casing, which has set a new world record with total depth of 7,078 meters. It is the second time for this type of product breaking the world record of well depth. The first one is 6,800 meters, which was created in the Asia’s No.1 deepest exploratory well #1 Tashen in 2006.