ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,852, issued on March 25, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).
"Multipurpose downhole apparatus" was invented by Norah A. Aljeaban (Al Khobar, Saudi Arabia), Faisal Alrasheed (Dammam, Saudi Arabia) and Tao Chen (Dhahran, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for surveying internal pipeline scaling includes a control system, a gauge cutter, a scale recorder, and a wireline. The control system communicates with the scale recorder to obtain scale recorder data and acoustic images. The gauge cutter dislodges scaling debris from an interior wall of the pipeline and includes a fluid permeable sc...