Zhichuan Guan

This inventor holds 8 USPTO granted patents and 2 published patent applications, plus 2 CIPO patents and 1 EPO patent. Top assignee: China University of Petroleum (East China). Active years: 2017-2024.

USPTO Granted Patents = 8 (Patent Applications = 2)

% Patents Active = 50.0

CIPO Patents = 2

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 4.7

ph-index = 1

Forward Citations = 4(Granted Patents)

Location History:

Shandong, CN (2020 - 2021)
Qingdao, CN (2017 - 2024)

Company Filing History:

8 out of 236

China University of Petroleum (East China)

patents

Years Active: 2017-2024

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11976554 - Bottom-hole impact-rotation stepping combined unloading rock-breaking efficient drilling system and method thereof (2024-05-07),

2. 11255127 - Drill bit with joint function of induced unloading and abrasive jet and drilling method thereof (2022-02-22),

3. 10927607 - Drilling speed increasing device driven by downhole motor for generating shock vibration (2021-02-23),

4. 10815743 - Depressuriz od for downhole annulus drilling fluid (2020-10-27),

5. 10801282 - Screw drill bypass valve with large displacement diversion function (2020-10-13),

6. 10718176 - Drilling speed improvement device capable of producing both hydraulic pulse and impact vibration (2020-07-21),

7. 10233695 - Weight-on-bit self-adjusting drill bit (2019-03-19),

8. 9540881 - Method and system for improving drilling speed by using drill speed vibration (2017-01-10),

Title: Zhichuan Guan: Innovator in Efficient Drilling Technologies

Introduction

Zhichuan Guan is a prominent inventor based in Qingdao, China. He has made significant contributions to the field of drilling technology, holding a total of 8 patents. His innovative approaches have the potential to enhance drilling efficiency and effectiveness in various applications.

Latest Patents

Among his latest patents is the "Bottom-hole impact-rotation stepping combined unloading rock-breaking efficient drilling system and method thereof." This invention provides a comprehensive drilling system that includes a housing, a drive assembly, a universal joint, a transmission shaft, a rotational impact assembly, and a drill bit. The system is designed to achieve stepping rock-breaking, bottom hole unloading, and impact-rotation drilling simultaneously, significantly increasing rock-breaking drilling efficiency.

Another notable patent is the "Drill bit with joint function of induced unloading and abrasive jet and drilling method thereof." This invention utilizes a dual drill bit system, where an outer annular drill bit performs pilot rock-breaking while a central drill bit breaks a central rock pillar. The method effectively mixes rock debris with drilling fluid to create an abrasive jet, enhancing the drilling process.

Career Highlights

Zhichuan Guan is affiliated with the China University of Petroleum, where he continues to advance research and development in drilling technologies. His work has garnered attention for its innovative solutions to common challenges in the drilling industry.

Collaborations

He has collaborated with notable colleagues, including Yongwang Liu and Yucai Shi, contributing to the advancement of drilling technologies through teamwork and shared expertise.

Conclusion

Zhichuan Guan's contributions to drilling technology exemplify the impact of innovation in enhancing efficiency and effectiveness in the field. His patents reflect a commitment to advancing the industry and addressing the challenges faced in drilling operations.