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:
Jul. 07, 2009
Filed:
Jun. 22, 2007
Applicant:
William H. Steiner, Spring, TX (US);
Inventor:
William H. Steiner, Spring, TX (US);
Assignee:
BJ Services Company, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 23/08 (2006.01); E21B 33/08 (2006.01); E21B 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In some embodiments, a method of delivering at least one chemical into an underground well equipped with a reciprocating plunger includes retaining the plunger above the well after the well is unloaded and shut in, dispensing at least one chemical into the well and releasing the plunger so that the plunger may drop in the well after the chemical(s).