David E. Sask

Person

Kingston, Ontario, CA

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for optimizing production in a well
- Patent number 7,849,920
- Issue date Dec 14, 2010
- Schlumberger Technology Corporation
- Dhandayuthapani Kannan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tubing fill and testing valve
- Patent number 7,063,156
- Issue date Jun 20, 2006
- Schlumberger Technology Corporation
- Dinesh R. Patel
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method and apparatus for formation damage removal
- Patent number 6,959,762
- Issue date Nov 1, 2005
- David Sask
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for formation damage removal
- Patent number 6,722,438
- Issue date Apr 20, 2004
- David Sask
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for formation damage removal
- Patent number 6,527,050
- Issue date Mar 4, 2003
- David Sask
- E21 - EARTH DRILLING MINING
Information Patent Grant
Safeguarded method and apparatus for fluid communiction using coile...
- Patent number 5,638,904
- Issue date Jun 17, 1997
- Nowsco Well Service Ltd.
- John G. Misselbrook
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dewaxing control apparatus for oil well
- Patent number 4,995,462
- Issue date Feb 26, 1991
- Maralda Oilwell Technology Ltd.
- David Sask
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill stem testing system
- Patent number 4,898,236
- Issue date Feb 6, 1990
- Downhole Systems Technology Canada
- David Sask
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR OPTIMIZING PRODUCTION IN A WELL
- Publication number 20090159275
- Publication date Jun 25, 2009
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Dhandayuthapani Kannan
- E21 - EARTH DRILLING MINING
Information Patent Application
Tubing Fill and Testing Valve
- Publication number 20060196675
- Publication date Sep 7, 2006
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Dinesh R. Patel
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for formation damage removal
- Publication number 20040168800
- Publication date Sep 2, 2004
- David Sask
- E21 - EARTH DRILLING MINING
Information Patent Application
Tubing fill and testing valve
- Publication number 20040026091
- Publication date Feb 12, 2004
- Dinesh R. Patel
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for formation damage removal
- Publication number 20030037926
- Publication date Feb 27, 2003
- David Sask
- E21 - EARTH DRILLING MINING

David E. Sask

Person

Patents Grantslast 30 patents

System and method for optimizing production in a well

Tubing fill and testing valve

Method and apparatus for formation damage removal

Method and apparatus for formation damage removal

Method and apparatus for formation damage removal

Safeguarded method and apparatus for fluid communiction using coile...

Dewaxing control apparatus for oil well

Drill stem testing system

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR OPTIMIZING PRODUCTION IN A WELL

Tubing Fill and Testing Valve

Method and apparatus for formation damage removal

Tubing fill and testing valve

Method and apparatus for formation damage removal