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:
Oct. 05, 2021
Filed:
Mar. 14, 2016
Halliburton Energy Services, Inc., Houston, TX (US);
Jimmie Robert Williamson, Carrollton, TX (US);
Glenn Ray Davis, Euless, TX (US);
James Dan Vick, Jr., Dallas, TX (US);
Robert Arthur Rademaker, The Colony, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
Wellbore systems containing a hydraulically regulated primary safety valve may have their hydraulic regulation transferred to an insert safety valve disposed in a nipple. Transfer of the hydraulic regulation may take place mechanically, such as through axial displacement of a sliding sleeve or by replacement of a hydraulic spool. Wellbore systems configured for axial displacement of a switching mechanism may comprise: a tubing string comprising a nipple and a primary safety valve, the primary safety valve being disposed in the tubing string above or below the nipple; a control line and a balance line in hydraulic communication with the primary safety valve and in latent hydraulic communication with an internal flow pathway within the nipple; and a switching mechanism that is axially displaceable to establish hydraulic communication between an insert safety valve positioned in a bore of the nipple and both the control line and the balance line.