Roger Sverre Stave

Person

Bergen, NO

People

Patents Grantslast 30 patents

Information Patent Grant
Riser system for coupling selectable modules to the riser
- Patent number 10,480,256
- Issue date Nov 19, 2019
- Enhanced Drilling, Inc.
- Roger Sverre Stave
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling fluid circulation system
- Patent number 9,670,744
- Issue date Jun 6, 2017
- SJO DRILLING AS
- Roger Sverre Stave
- E21 - EARTH DRILLING MINING
Information Patent Grant
Riser isolation device having automatically operated annular seal
- Patent number 9,664,006
- Issue date May 30, 2017
- Enhanced Drilling, A.S.
- Roger Sverre Stave
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling fluid pump module coupled to specially configured riser se...
- Patent number 9,428,975
- Issue date Aug 30, 2016
- ENHANCED DRILLING A.S.
- Roger Sverre Stave
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
System and method for inhibiting an explosive atmosphere in open ri...
- Patent number 9,322,232
- Issue date Apr 26, 2016
- AGR Subsea, A.S.
- Mehdi M. Rajabi
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device and method for controlling return flow from a bore hole
- Patent number 9,068,420
- Issue date Jun 30, 2015
- AGR Subsea AS
- Mehdi Mir Rajabi
- E21 - EARTH DRILLING MINING
Information Patent Grant
Boost system and method for dual gradient drilling
- Patent number 9,057,233
- Issue date Jun 16, 2015
- AGR Subsea AS
- Sigurd Ree
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fluid transfer device usable in managed pressure and dual-gradient...
- Patent number 8,783,379
- Issue date Jul 22, 2014
- Roger Sverre Stave
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and system for return of drilling fluid
- Patent number 7,958,948
- Issue date Jun 14, 2011
- AGR Subsea AS
- Roger Stave
- E21 - EARTH DRILLING MINING
Information Patent Grant
Return line mounted pump for riserless mud return system
- Patent number 7,913,764
- Issue date Mar 29, 2011
- AGR Subsea, Inc.
- David E. Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and device for controlling drilling fluid pressure
- Patent number 7,677,329
- Issue date Mar 16, 2010
- AGR Subsea AS
- Roger Stave
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and a device for removing a hydrate plug
- Patent number 7,044,226
- Issue date May 16, 2006
- AGR Subsea AS
- Roger Stave
- B08 - CLEANING
Information Patent Grant
Well pump device
- Patent number 6,857,472
- Issue date Feb 22, 2005
- ADR Subsea AS
- Roger Stave
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
RISER SYSTEM FOR COUPLING SELECTABLE MODULES TO THE RISER
- Publication number 20180179827
- Publication date Jun 28, 2018
- Enhanced Drilling, Inc.
- Roger Sverre Stave
- E21 - EARTH DRILLING MINING
Information Patent Application
FLUID TRANSFER DEVICE USABLE IN MANAGED PRESSURE AND DUAL GRADIENT...
- Publication number 20180135368
- Publication date May 17, 2018
- Sjö Drilling AS
- Roger Sverre Stave
- E21 - EARTH DRILLING MINING
Information Patent Application
RISER ISOLATION DEVICE HAVING AUTOMATICALLY OPERATED ANNULAR SEAL
- Publication number 20170089169
- Publication date Mar 30, 2017
- Enhanced Drilling, A.S.
- Roger Sverre Stave
- E21 - EARTH DRILLING MINING
Information Patent Application
DEVICE AND METHOD FOR CONTROLLING RETURN FLOW FROM A BORE HOLE
- Publication number 20140251693
- Publication date Sep 11, 2014
- Mehdi Mir Rajabi
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM AND METHOD FOR INHIBITING AN EXPLOSIVE ATMOSPHERE IN OPEN RI...
- Publication number 20140224542
- Publication date Aug 14, 2014
- AGR SUBSEA, AS
- Mehdi M. Rajabi
- E21 - EARTH DRILLING MINING
Information Patent Application
Drilling Fluid Pump Module Coupled to Specially Configured Riser Se...
- Publication number 20140193282
- Publication date Jul 10, 2014
- AGR SUBSEA, AS
- Roger Sverre Stave
- E21 - EARTH DRILLING MINING
Information Patent Application
FLUID TRANSFER DEVICE USABLE IN MANAGED PRESSURE AND DUAL-GRADIENT...
- Publication number 20130032396
- Publication date Feb 7, 2013
- Roger Sverre Stave
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND DEVICE FOR PRESSURE REGULATION OF A WELL
- Publication number 20110297388
- Publication date Dec 8, 2011
- AGR SUBSEA AS
- Roger Sverre Stave
- E21 - EARTH DRILLING MINING
Information Patent Application
PIPE STRING DEVICE FOR CONVEYING A FLUID FROM A WELL HEAD TO A VESSEL
- Publication number 20100006297
- Publication date Jan 14, 2010
- AGR SUBSEA AS
- Roger Stave
- E21 - EARTH DRILLING MINING
Information Patent Application
RETURN LINE MOUNTED PUMP FOR RISERLESS MUD RETURN SYSTEM
- Publication number 20090032301
- Publication date Feb 5, 2009
- David E. Smith
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and device for controlling drilling fluid pressure
- Publication number 20070119621
- Publication date May 31, 2007
- AGR SUBSEA AS
- Roger Stave
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and a device for removing a hydrate plug
- Publication number 20050217855
- Publication date Oct 6, 2005
- AGR SUBSEA AS
- Roger Stave
- B08 - CLEANING
Information Patent Application
Well pump device
- Publication number 20040007353
- Publication date Jan 15, 2004
- Roger Stave
- E21 - EARTH DRILLING MINING

Roger Sverre Stave

Person

Patents Grantslast 30 patents

Riser system for coupling selectable modules to the riser

Drilling fluid circulation system

Riser isolation device having automatically operated annular seal

Drilling fluid pump module coupled to specially configured riser se...

System and method for inhibiting an explosive atmosphere in open ri...

Device and method for controlling return flow from a bore hole

Boost system and method for dual gradient drilling

Fluid transfer device usable in managed pressure and dual-gradient...

Method and system for return of drilling fluid

Return line mounted pump for riserless mud return system

Method and device for controlling drilling fluid pressure

Method and a device for removing a hydrate plug

Well pump device

Patents Applicationslast 30 patents

RISER SYSTEM FOR COUPLING SELECTABLE MODULES TO THE RISER

FLUID TRANSFER DEVICE USABLE IN MANAGED PRESSURE AND DUAL GRADIENT...

RISER ISOLATION DEVICE HAVING AUTOMATICALLY OPERATED ANNULAR SEAL

DEVICE AND METHOD FOR CONTROLLING RETURN FLOW FROM A BORE HOLE

SYSTEM AND METHOD FOR INHIBITING AN EXPLOSIVE ATMOSPHERE IN OPEN RI...

Drilling Fluid Pump Module Coupled to Specially Configured Riser Se...

FLUID TRANSFER DEVICE USABLE IN MANAGED PRESSURE AND DUAL-GRADIENT...

METHOD AND DEVICE FOR PRESSURE REGULATION OF A WELL

PIPE STRING DEVICE FOR CONVEYING A FLUID FROM A WELL HEAD TO A VESSEL

RETURN LINE MOUNTED PUMP FOR RISERLESS MUD RETURN SYSTEM

Method and device for controlling drilling fluid pressure

Method and a device for removing a hydrate plug

Well pump device