US Patent Issued to Halliburton Energy Services on Nov. 25 for "Expandable tubular structure for maintaining differential pressure integrity in a wellbore" (Texas, Oklahoma Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,374, issued on Nov. 25, was assigned to Halliburton Energy Services Inc. (Houston).

"Expandable tubular structure for maintaining differential pressure integrity in a wellbore" was invented by Adam J. Milne (Carrollton, Texas), Daniel Keith Moeller (Carrollton, Texas) and Donald Ray Smith (Duncan, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus comprising a singular tubular structure to be positioned inside casing of a wellbore formed in a subsurface formation, wherein the singular tubular structure is configured to expand to contact an inner wall of the casing and provide differential pressure integrity in the wellbore while an is...