Combined sand-washing well repairing machine
A technology of workover rig and sand flushing, applied in flushing wellbore, drilling equipment, wellbore/well components, etc., can solve the problems of non-adjustable angle, narrow adaptation range, low efficiency, etc., to achieve improved efficiency, stable pressure, Efficient effect
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[0013] see figure 1 , 2 The combined sand washing and workover rig includes a vehicle-mounted chassis 1 and a vehicle-mounted derrick 2 . A sand washing pump 3 , a solution tank 4 and a winch 5 are installed on the vehicle chassis 1 , and the sand washing pump 3 is connected to the solution tank 4 . The winch 5 is mainly used for hoisting the screw pump rotor.
[0014] The vehicle-mounted chassis 1 is provided with a diagonal tie rod 6, and the diagonal stay rod 6 is locked and connected with the cylinder 7 (preferably pneumatic or oil-driven) on the derrick 2 top.
[0015] see image 3 , the oblique tie rod 6 and the cylinder block 8 are slidingly connected through the sliding sleeve 9, the sliding sleeve 9 is fixedly connected with the cylinder block 8, and the cylinder block 8 is fixedly connected with the derrick 2. The piston rod 10 in the cylinder 7 is plugged into the jacks 11 arranged at intervals on the diagonal stay rod 6 respectively. When the piston rod 10 is r...
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