The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 29, 2021

Filed:

Jul. 15, 2019
Applicant:

Chengdu University of Technology, Chengdu, CN;

Inventors:

Qingyou Liu, Chengdu, CN;

Haiyan Zhu, Chengdu, CN;

Jianguo Zhao, Chengdu, CN;

Guorong Wang, Chengdu, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 23/00 (2006.01); E21B 44/02 (2006.01); E21B 21/08 (2006.01); E21B 34/06 (2006.01);
U.S. Cl.
CPC ...
E21B 23/00 (2013.01); E21B 21/08 (2013.01); E21B 34/066 (2013.01); E21B 44/02 (2013.01); E21B 23/001 (2020.05);
Abstract

A coiled tubing drilling robot, a robot system and a process parameter control method thereof. The coiled tubing drilling robot is mainly characterized in that a drilling pressure and a drilling speed of a drill string are adjusted by an electric proportional relief valve and an electric proportional flow valve disposed inside the drilling robot; a support mechanism of the drilling robot adopts a single oblique block to prop against a spring piece to clamp a well wall; the coiled tubing drilling robot system consists of a coiled tubing intelligent drilling rig, a wellhead device, a coiled tubing, a drilling robot, a drill string vibration measurement device, a MWD, a power drill and a drill bit.


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