Inventor
ALLISON DAVID B
US13 patents
⚠️ This page may combine multiple inventors who share the name “ALLISON DAVID B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALLISON DAVID B
4 patentsUS9708523B2Jul 18, 2017
Swellable spacer fluids and associated methods
ALLISON DAVID B11 citations82
US8127859B2Mar 6, 2012
Use of swellable material in an annular seal element to prevent leakage in a subterranean well
ALLISON DAVID B13 citations80
US9273533B2Mar 1, 2016
Well tool including swellable material and integrated fluid for initiating swelling
ALLISON DAVID B3 citations71
US9464500B2Oct 11, 2016
Rapid swelling and un-swelling materials in well tools
ALLISON DAVID B3 citations69
HALLIBURTON ENERGY SERV INC
3 patentsUS7866408B2Jan 11, 2011
Well tool including swellable material and integrated fluid for initiating swelling
HALLIBURTON ENERGY SERV INC27 citations91
US7841417B2Nov 30, 2010
Use of swellable material in an annular seal element to prevent leakage in a subterranean well
HALLIBURTON ENERGY SERV INC16 citations90
US8042618B2Oct 25, 2011
Methods for swelling swellable elements in a portion of a well using an oil-in-water emulsion
HALLIBURTON ENERGY SERV INC8 citations83