Detlef Hahn

Person

Hannover, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Downlink pulser for mud pulse telemetry
- Patent number 8,174,404
- Issue date May 8, 2012
- Baker Hughes Incorporated
- Detlef Hahn
- G01 - MEASURING TESTING
Information Patent Grant
Active bottomhole pressure control with liner drilling and completi...
- Patent number 8,011,450
- Issue date Sep 6, 2011
- Baker Hughes Incorporated
- Sven Krueger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Oscillating shear valve for mud pulse telemetry
- Patent number 7,808,859
- Issue date Oct 5, 2010
- Baker Hughes Incorporated
- Detlef Hahn
- G01 - MEASURING TESTING
Information Patent Grant
Reciprocating pulser for mud pulse telemetry
- Patent number 7,417,920
- Issue date Aug 26, 2008
- Baker Hughes Incorporated
- Detlef Hahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Oscillating shear valve for mud pulse telemetry
- Patent number 7,280,432
- Issue date Oct 9, 2007
- Baker Hughes Incorporated
- Detlef Hahn
- G01 - MEASURING TESTING
Information Patent Grant
Downlink pulser for mud pulse telemetry
- Patent number 7,250,873
- Issue date Jul 31, 2007
- Baker Hughes Incorporated
- Detlef Hahn
- G01 - MEASURING TESTING
Information Patent Grant
Oscillating shear valve for mud pulse telemetry and associated meth...
- Patent number 6,975,244
- Issue date Dec 13, 2005
- Baker Hughes Incorporated
- Detlef Hahn
- G01 - MEASURING TESTING
Information Patent Grant
Hydraulically balanced reciprocating pulser valve for mud pulse tel...
- Patent number 6,898,150
- Issue date May 24, 2005
- Baker Hughes Incorporated
- Detlef Hahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Oscillating shear valve for mud pulse telemetry
- Patent number 6,626,253
- Issue date Sep 30, 2003
- Baker Hughes Incorporated
- Detlef Hahn
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for simultaneous drilling and casing wellbores
- Patent number 6,419,033
- Issue date Jul 16, 2002
- Baker Hughes Incorporated
- Detlef Hahn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for drilling boreholes in earth formations (dr...
- Patent number 6,196,336
- Issue date Mar 6, 2001
- Baker Hughes Incorporated
- Roger Fincher
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
OSCILLATING SHEAR VALVE FOR MUD PULSE TELEMETRY AND OPERATION THEREOF
- Publication number 20210189873
- Publication date Jun 24, 2021
- Baker Hughes Oilfield Operations LLC
- Volker Peters
- E21 - EARTH DRILLING MINING
Information Patent Application
OSCILLATING SHEAR VALVE FOR MUD PULSE TELEMETRY
- Publication number 20080068929
- Publication date Mar 20, 2008
- BAKER HUGHES INCORPORATED
- Detlef Hahn
- E21 - EARTH DRILLING MINING
Information Patent Application
Downlink Pulser for Mud Pulse Telemetry
- Publication number 20080055110
- Publication date Mar 6, 2008
- BAKER HUGHES INCORPORATED
- Detlef Hahn
- E21 - EARTH DRILLING MINING
Information Patent Application
Neutron source for well logging
- Publication number 20070241275
- Publication date Oct 18, 2007
- Baker Hughes Incorporated
- Pingjun Guo
- G01 - MEASURING TESTING
Information Patent Application
Active buttonhole pressure control with liner drilling and completi...
- Publication number 20070068704
- Publication date Mar 29, 2007
- BAKER HUGHES INCORPORATED
- Sven Krueger
- E21 - EARTH DRILLING MINING
Information Patent Application
Oscillating shear valve for mud pulse telemetry
- Publication number 20060118334
- Publication date Jun 8, 2006
- BAKER HUGHES INCORPORATED
- Detlef Hahn
- E21 - EARTH DRILLING MINING
Information Patent Application
Reciprocating pulser for mud pulse telemetry
- Publication number 20050260089
- Publication date Nov 24, 2005
- BAKER HUGHES INCORPORATED
- Detlef Hahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for generating pressure fluctuations in a flowing fluid
- Publication number 20040069535
- Publication date Apr 15, 2004
- BAKER HUGHES INCORPORATED
- Detlef Hahn
- E21 - EARTH DRILLING MINING
Information Patent Application
Downlink pulser for mud pulse telemetry
- Publication number 20040012500
- Publication date Jan 22, 2004
- BAKER HUGHES INCORPORATED
- Detlef Hahn
- E21 - EARTH DRILLING MINING
Information Patent Application
Oscillating shear valve for mud pulse telemetry
- Publication number 20030056985
- Publication date Mar 27, 2003
- BAKER HUGHES INCORPORATED
- Detlef Hahn
- G01 - MEASURING TESTING
Information Patent Application
Apparatus and method for simultaneous drilling and casing wellbores
- Publication number 20030056991
- Publication date Mar 27, 2003
- BAKER HUGHES INCORPORATED
- Detlef Hahn
- E21 - EARTH DRILLING MINING
Information Patent Application
System and methods for detecting pressure signals generated by a do...
- Publication number 20030026167
- Publication date Feb 6, 2003
- BAKER HUGHES INCORPORATED
- Detlef Hahn
- E21 - EARTH DRILLING MINING
Information Patent Application
Hydraulically balanced reciprocating pulser valve for mud pulse tel...
- Publication number 20020159333
- Publication date Oct 31, 2002
- BAKER HUGHES INCORPORATED
- Detlef Hahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Oscillating shear valve for mud pulse telemetry
- Publication number 20020117306
- Publication date Aug 29, 2002
- Detlef Hahn
- G01 - MEASURING TESTING

Detlef Hahn

Person

Patents Grantslast 30 patents

Downlink pulser for mud pulse telemetry

Active bottomhole pressure control with liner drilling and completi...

Oscillating shear valve for mud pulse telemetry

Reciprocating pulser for mud pulse telemetry

Oscillating shear valve for mud pulse telemetry

Downlink pulser for mud pulse telemetry

Oscillating shear valve for mud pulse telemetry and associated meth...

Hydraulically balanced reciprocating pulser valve for mud pulse tel...

Oscillating shear valve for mud pulse telemetry

Apparatus and method for simultaneous drilling and casing wellbores

Method and apparatus for drilling boreholes in earth formations (dr...

Patents Applicationslast 30 patents

OSCILLATING SHEAR VALVE FOR MUD PULSE TELEMETRY AND OPERATION THEREOF

OSCILLATING SHEAR VALVE FOR MUD PULSE TELEMETRY

Downlink Pulser for Mud Pulse Telemetry

Neutron source for well logging

Active buttonhole pressure control with liner drilling and completi...

Oscillating shear valve for mud pulse telemetry

Reciprocating pulser for mud pulse telemetry

Method for generating pressure fluctuations in a flowing fluid

Downlink pulser for mud pulse telemetry

Oscillating shear valve for mud pulse telemetry

Apparatus and method for simultaneous drilling and casing wellbores

System and methods for detecting pressure signals generated by a do...

Hydraulically balanced reciprocating pulser valve for mud pulse tel...

Oscillating shear valve for mud pulse telemetry