Neil Johnston

Follow

Person

Aberdeenshire, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Storable liquid systems for use in cementing oil and gas wells
- Patent number 6,173,778
- Issue date Jan 16, 2001
- BJ Services Company
- Philip J. Rae
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Mud suspension control system
- Patent number 5,975,220
- Issue date Nov 2, 1999
- BJ Services Company
- Dan T. Mueller
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Storable liquid cementitious slurries for cementing oil and gas wells
- Patent number 5,547,506
- Issue date Aug 20, 1996
- BJ Services Company
- Philip Rae
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Storable liquid cementitious slurries for cementing oil and gas wells
- Patent number 5,447,197
- Issue date Sep 5, 1995
- BJ Services Company
- Philip Rae
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES