3D printing plasma intelligent Mohole drilling and completion method

Abstract

The invention discloses a 3D plasma intelligent Mohole drilling and completion method. The method comprises the following steps that a drilling platform is built, drilling equipment is mounted, and drilling is started. The drilling equipment comprises a 3D printer system assembly, a pumping system for muddy water, rock debris and the like as well as mixtures thereof, an intelligent well casing lifting and fixing system, a well casing printed by a 3D printer, a manifold system assembly, a downhole hole-drilling, hole-broadening and well-cementing intelligent executor (drilling robot), a drilling platform, an intelligent control treatment center and the like. The well casing is printed by the 3D printer, the pumping system discharges mud, the rock debris and the like, the plasma drilling executor implements drilling, and underground equipment is provided with thermal insulation and cooling protection. According to the 3D plasma intelligent Mohole drilling and completion method, a first 3D printing spray-head, a second 3D printing spray-head, a blockage system spray-head, plasma liquation well cementation, spray gun well cementation, a hole broadening spray-head, a hole-drilling spray-head and a high-pressure gas spray-head work cooperatively; the intelligent well casing lifting and fixing system fixes and lifts the well casing printed by the 3D printer intelligently; and drilling can be constructed in the land and at a deep sea.

Description

technical field [0001] The invention relates to the technical fields of additive manufacturing and deep earth drilling, and more specifically relates to a 3D printing plasma intelligent Moho well drilling and completion method. Background technique [0002] In the 1960s of the Cold War, as the space race continued to heat up, another race slowly began to unfold, and this was the battle for the center of the earth. The United States and the Soviet Union tried to drill to the so-called Moho boundary (that is, the boundary between the earth's crust and mantle "Mohorovicic Discontinuity", which is a theoretical dividing line between the usually solid crust and the magma-filled mantle). [0003] The world's first deep exploration plan, the Moho interface exploration, was proposed by the United States. Since the 1960s, it has mainly drilled through the Moho interface, and there has been an obvious breakthrough in geosciences. However, due to the high cost and difficult technology...

AI Technical Summary

Problems solved by technology

[0014] In view of the shortcomings of traditional ultra-deep well drilling technology: long drilling cycle, high drilling cost, short service life, limited drilling depth and other shortcomings, and it is impossible to reach a drilling depth of 10,000-50,000 meters

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