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:
Jul. 29, 2025
Filed:
Nov. 29, 2023
Saudi Arabian Oil Company, Dhahran, SA;
Bagus Wahyu Setiadi, Dhahran, SA;
Saudi Arabian Oil Company, Dhahran, SA;
Abstract
A plunger assembly includes a plunger body and a collar detecting assembly. The plunger body is disposed within a wellbore string that has multiple collars. The collar detecting assembly includes a housing attached to the plunger body, and spring-loaded pins attached to and extending through a side wall of the housing to bear against an interior wall of the wellbore string. Each of the spring-loaded pins momentarily extends at an annular gap formed between two pipes at each collar as the plunger body moves along the pipe. The collar detecting assembly also includes a transducer that converts movement of the spring-loaded pins into electronic signals including timestamps. A transmitter of the plunger transmits the timestamps to a system including one or more computers. The system determines, as a function of the timestamps, a speed of the plunger assembly along the wellbore string.