Waste well plugging method
A technology for plugging balls and well killing fluids, which is applied in the field of oil and gas field exploration and development, can solve the problems of low plugging success rate, coal seam deficit, low technological level, etc., and achieves the improvement of plugging quality and plugging success rate, and the operation process is simple. Effect
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[0053] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.
[0054] The embodiments of the present application provide a method for plugging abandoned wells, which can be applied to both conventional oil and gas abandoned wells and coalbed methane abandoned wells, and has wider applicability.
[0055] like figure 1 As shown, the method for plugging an abandoned well provided by the embodiment of the present application includes the following steps:
[0056] Step 101, dropping an ash injection p...
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