Inventor
BOLDING JEFFREY L
US19 patents
⚠️ This page may combine multiple inventors who share the name “BOLDING JEFFREY L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BJ SERVICES CO USA
12 patentsUS7770653B2Aug 10, 2010
Wellbore bypass method and apparatus
BJ SERVICES CO USA47 citations93
US7886830B2Feb 15, 2011
Downhole safety valve apparatus and method
BJ SERVICES CO USA34 citations92
US7823648B2Nov 2, 2010
Downhole safety valve apparatus and method
BJ SERVICES CO USA39 citations92
US7637326B2Dec 29, 2009
Downhole safety valve apparatus and method
BJ SERVICES CO USA43 citations92
US7861786B2Jan 4, 2011
Method and apparatus for fluid bypass of a well tool
BJ SERVICES CO USA7 citations84
US7963334B2Jun 21, 2011
Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operation
BJ SERVICES CO USA7 citations83
US7913754B2Mar 29, 2011
Wellhead assembly and method for an injection tubing string
BJ SERVICES CO USA13 citations83
US7775776B2Aug 17, 2010
Method and apparatus to pump liquids from a well
BJ SERVICES CO USA12 citations83
US7712537B2May 11, 2010
Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operation
BJ SERVICES CO USA10 citations79
US7934550B2May 3, 2011
Wellhead assembly and method for an injection tubing string
BJ SERVICES CO USA7 citations78
US7913769B2Mar 29, 2011
Downhole safety valve apparatus and method
BJ SERVICES CO USA4 citations62
US7721805B2May 25, 2010
Method and apparatus to hydraulically bypass a well tool
BJ SERVICES CO USA5 citations62