Abstract
To study a kind of plugging material suitable for gas invasion in gas reservoirs fractured pressure plugging material. Gas invasion in carbonate gas reservoirs is frequent and will be accompanied by lost circulation and overflow, which will affect the safety and efficient production of oil and gas wells, and even cause serious safety hazards. In this regard, this paper summarizes the research process and problems encountered in the application of reverse pressure plugging materials in Carbonate rock fractured gas reservoirs. At the same time, it introduces the types of main plugging materials in the world and the research progress of plugging materials (polymer gel plugging technology, ultra-low permeability (non permeability) drilling fluid technology, etc.), the theory of plugging materials (rigid plugging theory, flexible plugging theory, etc.), as well as the characteristics of typical plugging materials and plugging material technology.
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