ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,513, issued on May 20, was assigned to Vetco Gray Scandinavia AS (Norway).
"Rigless drilling and wellhead installation" was invented by Jarle Hvidsten (Laksevag, Norway), Knut Inge Dahlberg (Blomsterdalen, Norway), Anders Berggren (Blomsterdalen, Norway) and Vidar Strand (Sandnes, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to methods and systems for establishing a well foundation as well as for drilling and installation of a surface casing without any use of a drilling rig."
The patent was filed on Jan. 11, 2024, under Application No. 18/409,919.
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