Darren Michael Maley

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for selecting diversion material for a wellbor...
- Patent number 10,400,577
- Issue date Sep 3, 2019
- STEP ENERGY SERVICES LTD.
- Andrew James McMurray
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-suspending proppant for hydraulic fracturing
- Patent number 10,190,040
- Issue date Jan 29, 2019
- STEP ENERGY SERVICES LTD.
- Darren Michael Maley
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
SELF-SUSPENDING PROPPANT FOR HYDRAULIC FRACTURING
- Publication number 20170283690
- Publication date Oct 5, 2017
- STEP ENERGY SERVICES LTD.
- DARREN MICHAEL MALEY
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD AND APPARATUS FOR SELECTING DIVERSION MATERIAL FOR A WELLBOR...
- Publication number 20170211373
- Publication date Jul 27, 2017
- STEP ENERGY SERVICES LTD.
- Andrew James McMurray
- E21 - EARTH DRILLING MINING