Inventor
BALLARD DAVID ANTONY
GB13 patents
⚠️ This page may combine multiple inventors who share the name “BALLARD DAVID ANTONY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BALLARD DAVID ANTONY
5 patentsUS8168569B2May 1, 2012
Precipitated weighting agents for use in wellbore fluids
BALLARD DAVID ANTONY16 citations91
US8598096B2Dec 3, 2013
Precipitated weighting agents for use in wellbore fluids
BALLARD DAVID ANTONY8 citations82
US8474532B2Jul 2, 2013
Invert silicate fluids for wellbore strengthening
BALLARD DAVID ANTONY10 citations82
US8876437B2Nov 4, 2014
Use of elastomers to produce gels for treating a wellbore
BALLARD DAVID ANTONY2 citations61
US8178475B2May 15, 2012
Surfactant materials and coatings for weighting agents for use in oil based drilling fluids
BALLARD DAVID ANTONY0 citations40
MI LLC
4 patentsUS7740068B2Jun 22, 2010
Silicate-based wellbore fluid and methods for stabilizing unconsolidated formations
MI LLC34 citations92
US7727938B2Jun 1, 2010
Non-aqueous gels for consolidating and stabilizing wellbore formations
MI LLC9 citations83
US7786052B2Aug 31, 2010
Hydrophobically modified fluid loss additives and viscosifier products
MI LLC7 citations73
US7825071B2Nov 2, 2010
Highly branched polymeric materials as surfactants for oil-based muds
MI LLC5 citations62