A connection device for underwater wellheads and Christmas trees

Abstract

The utility model relates to petroleum, natural gas drilling and mining equipment technical field, and disclose a kind of connecting device for underwater wellhead and Christmas tree, including the connecting device between the high-pressure well top port and the lower port of Christmas tree, connecting device includes several J-shaped connecting rods, the outer wall of lower port of Christmas tree is connected with several telescopic components, several J-shaped connecting rods are connected with several telescopic components respectively, the outer wall of high-pressure well top port is fixedly connected with several fixed hook blocks, and several J-shaped connecting rods are hooked in the bottom of several fixed hook blocks respectively.The connecting device for underwater wellhead and Christmas tree, by J-shaped connecting rod can be quickly hung on fixed hook block, then telescopic component is used to shrink the J-shaped connecting rod that has been hung, so that the high-pressure well top and the lower port of Christmas tree are tightly extruded and connected, realize the quick, firm docking of underwater wellhead and Christmas tree.

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