Inventor

POLIZZOTTI RICHARD

US2 patents

Patents

2 patents

US7677332B2Mar 16, 2010

Method and apparatus for managing variable density drilling mud

EXXONMOBIL UPSTREAM RES CO17 citations90

US7980329B2Jul 19, 2011

System for managing variable density drilling mud

EXXONMOBIL UPSTREAM RES CO9 citations82