Inventor
JOHNSTON GARY
US9 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSTON GARY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WEATHERFORD LAMB
6 patentsUS7543637B2Jun 9, 2009
Methods for expanding tubular strings and isolating subterranean zones
WEATHERFORD LAMB26 citations92
US7275602B2Oct 2, 2007
Methods for expanding tubular strings and isolating subterranean zones
WEATHERFORD LAMB29 citations92
US7017669B2Mar 28, 2006
Methods and apparatus for expanding tubulars
WEATHERFORD LAMB26 citations87
US7308944B2Dec 18, 2007
Expander tool for use in a wellbore
WEATHERFORD LAMB18 citations82
US7836741B2Nov 23, 2010
Rotary expansion
WEATHERFORD LAMB7 citations72
US8006771B2Aug 30, 2011
Methods for expanding tubular strings and isolating subterranean zones
WEATHERFORD LAMB1 citations62