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:
Jan. 25, 1994
Filed:
Jun. 22, 1992
Applicant:
Inventor:
Henri Cholet, Le Pecq, FR;
Assignee:
Institut Francais du Petrole, Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166311 ;
Abstract
The invention relates to a device for cleaning a horizontal drain (10) adapted for being disposed at the end of two concentric pipe columns (14, 16). This device includes a body (20) provided with at least one cleaning fluid outlet port (38) and with at least one return port (30) for the fluid loaded with particles. The outlet ports are directed towards the wall of the drain and located at a predetermined distance from the return ports. The invention further relates to an installation for the cleaning of horizontal drains and to a method for implementing the installation.