Oil recovery water injection well head device

The utility model discloses an oil recovery water injection well head device, including pipe box and oil pipe, the oil pipe is pegged graft insidely and continuous with the interior screw-thread fit on the pipe box inside wall through the external screw thread on the oil pipe lateral wall at the pipe box, the top of pipe box is connected with the end cover, the end cover links to each other with the pipe box is fixed by the screw that runs through in the end cover, fixedly connected with flow string, gas production pipe, fracturig and acidizing pipe and water injection pipe on the lateral wall of pipe box, flow string, gas production pipe, fracturig and acidizing pipe and water injection pipe all link up continuously with the pipe box, equal fixedly connected with flange on flow string, gas production pipe, fracturig and acidizing pipe and the water injection pipe, the equal fixedly connected with solenoid valve in the flange outside, recovering the oil, when adopting the natural gas, the fracturig and acidizing, water injection, need not to change the wellhead assembly, improved production efficiency greatly, simultaneously through adopting the solenoid valve to replace the gate valve that adopts in traditional wellhead assembly, improved greatly the valve division, pass speed, improved the safety performance.