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:
Dec. 25, 2018
Filed:
Jan. 09, 2015
Applicant:
Had Engineering S.r.l., Saronno-Varese, IT;
Inventor:
Giorgio Girola, Saronno-Varese, IT;
Assignee:
HAD ENGINEERING S.R.L., Saronno-Varese, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 21/10 (2006.01);
U.S. Cl.
CPC ...
E21B 21/106 (2013.01); E21B 21/10 (2013.01);
Abstract
A method for drilling a well in continuous circulation and a device for intercepting and redistributing fluids for this drilling method wherein said device comprises a main chamber () communicating with a first auxiliary chamber () and with a second auxiliary chamber (), in which during the direct drilling flow (F) mode, said auxiliary chambers () are placed in fluid communication with each other.
Girola, Giorgio. (2018). Method for drilling a well in continuous circulation and device for intercepting and redistributing fluid used in this method (U.S. Patent No. 10161206). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10161206
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile