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.
Patent No.:
Date of Patent:
Jun. 29, 2021
Filed:
Jul. 19, 2019
Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, CN;
Jiansheng Du, Beijing, CN;
Qingyun Di, Beijing, CN;
Zili Wang, Beijing, CN;
Wenxuan Chen, Beijing, CN;
Xinzhen He, Beijing, CN;
Yongyou Yang, Beijing, CN;
Abstract
The disclosure relates to a fluid pressure measuring device for a measurement-while-drilling tool, which including a first sensor assembly (), a second sensor assembly () and a sealing member (), wherein a mounting groove () is formed on an outer side wall of a drill collar () of a measurement-while-drilling tool; the sealing member () is fixedly mounted on the mounting groove (); a first liquid inlet hole () is formed in the sealing member (); a second liquid inlet hole () communicated with a center flow channel () of the drill collar () is formed in the mounting groove (); a liquid inlet end of the first sensor assembly () is communicated with the first liquid inlet hole (); and a liquid inlet end of the second sensor assembly () is communicated with the second liquid inlet hole ().