Milling machine for inner cavity of casing pipe
A casing and inner cavity technology, which is applied in the field of casing inner cavity cutters, can solve problems such as low accuracy, influence of exploration progress, and difficulties in cutting and milling of consolidations, and achieve good cutting and milling work and reasonable structure settings. Effect
Pending Publication Date: 2018-09-11
焦作市恒利水文地质工程有限责任公司
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Problems solved by technology
[0002] Affected by overflow and lost circulation during the exploration process, there are different degrees of consolidation between the casing gaps, which affects the exploration progress. The existing equipment is difficult to cut and mill the consolidation, and the accuracy is not high. In order to solve the Due to the shortcomings in the market at present, it is urgent to improve the technology of the cutter device, so as to better perform the cutting and milling work in the special environment underground
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[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0015] see figure 1 —2. The present invention provides a technical solution: a casing inner cavity cutter, including a casing structure 2 and a cutting knife installation pipe 8. The inside of the pipe structure 2 is provided with a thread groove, and the thread groove and the cutting knife installation pipe screw Connected together, the casing connector 1 welded behind the casing structure 2 is fixedly connected with the drilling rig, the threaded head 5 is a...
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The invention discloses a milling machine for an inner cavity of a casing pipe. The milling machine comprises a casing pipe structure and a cutting knife mounting pipe, wherein a cutter groove is formed outside the cutting knife mounting pipe, and an adjustable telescopic knife head is mounted in the cutter groove; a taper driving head is arranged in the middle of an adjusting cavity in the cutting knife mounting pipe, and the adjusting cavity is communicated with an air outlet formed in the cutting knife mounting pipe. According to the milling machine for the inner cavity of the casing pipe,an adjusting bolt is matched with the cone driving head and the telescopic knife head, so that the expansion and contraction amounts of the telescopic knife head can be controlled, the rotating diameter of the telescopic knife head is further controlled, the milling machine is applicable to the machining of workpieces with different sizes, and the milling operation can be well realized.
Description
technical field [0001] The invention relates to the technical field of exploration pipe cutting, in particular to a casing inner cavity cutter. Background technique [0002] Affected by overflow and lost circulation during the exploration process, there are different degrees of consolidation between the casing gaps, which affects the exploration progress. The existing equipment is difficult to cut and mill the consolidation, and the accuracy is not high. In order to solve the Due to the shortcomings existing in the market at present, it is urgent to improve the technology of the cutter device, which can better perform the cutting and milling work in the special environment of the underground. Contents of the invention [0003] The object of the present invention is to provide a casing lumen cutter to solve the problems raised in the above-mentioned background technology. [0004] In order to achieve the above object, the present invention provides the following technical ...
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IPC IPC(8): E21B29/08E21B37/00
CPCE21B29/08E21B37/00
Inventor 李枫郝小培郝恒垒孟小堆
Owner 焦作市恒利水文地质工程有限责任公司