Inventor

EVANS FRANK E

10 patents

⚠️ This page may combine multiple inventors who share the name “EVANS FRANK E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HARRIS JEFFERY R

2 patents

US9034800B2May 19, 2015

Fluid loss additives and methods of making and using same

HARRIS JEFFERY R36 citations91

US8575072B2Nov 5, 2013

Fluid loss additives and methods of making and using same

HARRIS JEFFERY R4 citations60

MI LLC

2 patents

US9353306B2May 31, 2016

Viscoelastic surfactant based wellbore fluids and methods of use

MI LLC7 citations82

US7152697B2Dec 26, 2006

Delayed phase changing agent for invert emulsion drilling fluid

MI LLC16 citations81

BAKER HUGHES INC

1 patent

US6855671B2Feb 15, 2005

Water based fluids comprising multivalent salts and low molecular weight, low charge cationic polyacrylamide copolymers

BAKER HUGHES INC18 citations81

EVANS FRANK E

1 patent

US4061360ADec 6, 1977

Collapsible golf bag cart

EVANS FRANK E11 citations61

SVOBODA CHARLES

1 patent

US8937034B2Jan 20, 2015

Viscoelastic surfactant based wellbore fluids and methods of use

SVOBODA CHARLES3 citations60

CHEVRON PHILLIPS CHEMICAL CO

1 patent

US9328280B2May 3, 2016

Additives for oil-based drilling fluids

CHEVRON PHILLIPS CHEMICAL CO2 citations57

CHEVRON PHILLIPS CHEMICAL CO LP

1 patent

US9598627B2Mar 21, 2017

Fluid loss additives and methods of making and using same

CHEVRON PHILLIPS CHEMICAL CO LP1 citations51

ZHANG HUI

1 patent

US8871097B2Oct 28, 2014

Reclamation of formate brines

ZHANG HUI1 citations51