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:
Jun. 04, 2002
Filed:
Mar. 08, 1999
Applicant:
Inventor:
Ashley B. Johnson, Sugar Land, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 3/02 ;
U.S. Cl.
CPC ...
B08B 3/02 ;
Abstract
An apparatus for cleaning subterranean wellbores is described. The apparatus comprises a rotatable jet head with less than five axially separated nozzles through which an abrasive fluid is discharged. The nozzles are mounted with an axial separation of preferably more than 0.5 times the nozzle diameter.