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:
Nov. 30, 2004
Filed:
Jan. 16, 2003
Applicant:
Inventor:
Richard Harvey McGee, Houston, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 2/912 ;
U.S. Cl.
CPC ...
E21B 2/912 ;
Abstract
The invention is a tree saver apparatus for preventing excess pressure on a Christmas tree for a well, wherein the Christmas tree has tubing, a master valve, a top valve, a second master valve, a wing valve, and wherein the apparatus has a connection with at least 3 outlets connected to the cylinder, a frac wing valve connected to the connection with at least 3 outlets, a frac valve connected to the connection with at least 3 outlets, a mandrel connected to the piston rod, a landing bowl connected to the top valve, and a hydraulic system with a piston, a cylinder, an upper plunger, and a hand wheel.