Explosive workover technology is a new technique. This technique can be used to repair either casing deformation Wells or casing breaking Wells, widen the range of workover greatly.

It will be used for reference on well test interpretation in complex fault block oil reservoirs and reservoirs with complex drive and under the condition of multiple-well interference.

For screw pump well, the following accidents, such as rod breaking, wax locking and pump burning, always happened.