Inventor
SAWDON CHRISTOPHER ALAN
GB9 patents
⚠️ This page may combine multiple inventors who share the name “SAWDON CHRISTOPHER ALAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BP EXPLORATION OPERATING
4 patentsUS7854277B2Dec 21, 2010
Wellbore fluid comprising a base fluid and a particulate bridging agent
BP EXPLORATION OPERATING20 citations91
US8006761B2Aug 30, 2011
Wellbore fluid comprising a base fluid and a particulate bridging agent
BP EXPLORATION OPERATING8 citations82
US7919437B2Apr 5, 2011
Wellbore fluid comprising sulfonated copolymers with pendant alkyl groups
BP EXPLORATION OPERATING7 citations82
US7943554B2May 17, 2011
Wellbore fluid comprising at least one polymer containing pendant alkyl groups
BP EXPLORATION OPERATING3 citations61
DOWELL A DIVISION OF SCHLUMBER
2 patentsUS5846913ADec 8, 1998
Invert biodegradable n-alkane(s) wellbore fluid containing less than 10 percent by weight of cycloparaffing isoparaffing and aromatic compounds, and method of drilling with such fluid
DOWELL A DIVISION OF SCHLUMBER46 citations91
US5962375AOct 5, 1999
Wellbore fluids
DOWELL A DIVISION OF SCHLUMBER30 citations86