US Patent Issued to PMC Pumps on Dec. 9 for "Hydraulically actuated double-acting positive displacement pump system for producing fluids from a wellbore" (Canadian Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,620, issued on Dec. 9, was assigned to PMC Pumps Inc. (Calgary, Canada).

"Hydraulically actuated double-acting positive displacement pump system for producing fluids from a wellbore" was invented by Yuchang Ding (Calgary, Canada), John Hughes (Calgary, Canada) and Gary Cheng (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A submersible downhole pumping system is provided. The pumping system is designed so that all fluid conduits and electrical signal conduits are internalized within a pumping assembly. This design provides a substantially constant and slim profile to the pumping assembly. The pumping assembly comprises a housing that ...