Svein Erling Johnstad

Person

Bones, NO

People

Patents Grantslast 30 patents

Information Patent Grant
Electromagnetic and seismic streamer cable and method for using suc...
- Patent number 9,176,254
- Issue date Nov 3, 2015
- MULTIFIELD GEOPHYSICS AS
- Svein Erling Johnstad
- G01 - MEASURING TESTING
Information Patent Grant
Method for electromagnetic geophysical surveying of subsea rock for...
- Patent number 8,299,794
- Issue date Oct 30, 2012
- Norsk Hydro ASA
- Brian Anthony Farrelly
- G01 - MEASURING TESTING
Information Patent Grant
Electromagnetic method on shallow water using a controlled source
- Patent number 7,982,465
- Issue date Jul 19, 2011
- Multifield Geophysics AS
- Harald Westerdahl
- G01 - MEASURING TESTING
Information Patent Grant
Shallow marine electromagnetic hydrocarbon prospecting
- Patent number 7,812,611
- Issue date Oct 12, 2010
- Norsk Hydro ASA
- Svein Erling Johnstad
- G01 - MEASURING TESTING
Information Patent Grant
Method for monitoring low-resistivity formation using polarized waves
- Patent number 7,456,632
- Issue date Nov 25, 2008
- Norsk Hydro ASA
- Svein Erling Johnstad
- G01 - MEASURING TESTING
Information Patent Grant
Geophysical data acquisition system
- Patent number 7,453,763
- Issue date Nov 18, 2008
- Norsk Hydro ASA
- Svein Erling Johnstad
- G01 - MEASURING TESTING
Information Patent Grant
Device for monitoring of oil-water interface
- Patent number 7,453,265
- Issue date Nov 18, 2008
- Norsk Hydro ASA
- Svein Erling Johnstad
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
ELECTROMAGNETIC AND SEISMIC STREAMER CABLE AND METHOD FOR USING SUC...
- Publication number 20110158043
- Publication date Jun 30, 2011
- Multifield Geophysics AS
- Svein Erling Johnstad
- G01 - MEASURING TESTING
Information Patent Application
Electromagnetic Method on Shallow Water Using a Controlled Source
- Publication number 20090278541
- Publication date Nov 12, 2009
- Multifield Geophysics AS
- Harald Westerdahl
- G01 - MEASURING TESTING
Information Patent Application
Shallow marine electromagnetic hydrocarbon prospecting
- Publication number 20090267608
- Publication date Oct 29, 2009
- Svein Erling Johnstad
- G01 - MEASURING TESTING
Information Patent Application
Method for Electromagnetic Geophysical Surveying of Subsea Rock For...
- Publication number 20090243617
- Publication date Oct 1, 2009
- Brian Anthony Farrelly
- G01 - MEASURING TESTING
Information Patent Application
Device for monitoring of oil-water interface
- Publication number 20070040557
- Publication date Feb 22, 2007
- Svein Erling Johnstad
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for monitoring a high resistivity reservoir rock formation
- Publication number 20060255809
- Publication date Nov 16, 2006
- Svein Erling Johnstad
- G01 - MEASURING TESTING
Information Patent Application
Geophysical data acquisition system
- Publication number 20060238200
- Publication date Oct 26, 2006
- Svein Erling Johnstad
- G01 - MEASURING TESTING

Svein Erling Johnstad

Person

Patents Grantslast 30 patents

Electromagnetic and seismic streamer cable and method for using suc...

Method for electromagnetic geophysical surveying of subsea rock for...

Electromagnetic method on shallow water using a controlled source

Shallow marine electromagnetic hydrocarbon prospecting

Method for monitoring low-resistivity formation using polarized waves

Geophysical data acquisition system

Device for monitoring of oil-water interface

Patents Applicationslast 30 patents

ELECTROMAGNETIC AND SEISMIC STREAMER CABLE AND METHOD FOR USING SUC...

Electromagnetic Method on Shallow Water Using a Controlled Source

Shallow marine electromagnetic hydrocarbon prospecting

Method for Electromagnetic Geophysical Surveying of Subsea Rock For...

Device for monitoring of oil-water interface

Method for monitoring a high resistivity reservoir rock formation

Geophysical data acquisition system