06100-Extraction of crude petroleum

Title	Company	Company Number	Date filed	Status	Publication number
Multiple concentric bore tubing hanger	BP Exploration Operating Company Limited	00305943	1992-03-23	Terminated	GB2254634
Wax deposit inhibitors	BP Exploration Operating Company Limited	00305943	1996-12-20	Ceased	GB2323095
Power actuated releasable connector for pressure containing bores	BP Exploration Operating Company Limited	00305943	1991-12-19	Terminated	GB2251907
Production buoy	BP Exploration Operating Company Limited	00305943	1992-03-06	Terminated	GB2253813
Hydrate inhibition	BP Exploration Operating Company Limited	00305943	1996-03-14	Terminated	GB2313841
Workover system with multi bore converter	BP Exploration Operating Company Limited	00305943	1992-08-05	Terminated	GB2258675
Inhibitors and their uses in oils	BP Exploration Operating Company Limited	00305943	1997-11-07	Ceased	GB2334258
Method of injecting carbon dioxide	BP Exploration Operating Company Limited	00305943	2008-10-30	Granted	GB2468219
Slug meditation	BP Exploration Operating Company Limited	00305943	2009-04-21	Granted	GB2471804
Turbine vibrator assembly	BP Exploration Operating Company Limited	00305943	1992-11-06	Terminated	GB2261238
Drilling fluid	BP Exploration Operating Company Limited	00305943	1994-04-21	Terminated	GB2277338
Coated products and use thereof in oil fields	BP Exploration Operating Company Limited	00305943	1997-05-29	Ceased	GB2330602
Method of reducing deposition of elemental sulfur in a gas well	BP Exploration Operating Company Limited	00305943	2005-05-19	Terminated	GB2411681
Apparatus and methods for separating a multiphase fluid	BP Exploration Operating Company Limited	00305943	2008-09-05	Terminated	GB2463274
Apparatus and method for separating a multiphase fluid	BP Exploration Operating Company Limited	00305943	2008-09-05	Terminated	GB2463275
Marine seismic source	BP Exploration Operating Company Limited	00305943	2008-06-27	Terminated	GB2461298
Apparatus and method for separating a multiphase fluid	BP Exploration Operating Company Limited	00305943	2008-09-05	Terminated	GB2463276
Marine seismic siren source	BP Exploration Operating Company Limited	00305943	2008-12-22	Terminated	GB2460131
Process	BP Exploration Operating Company Limited	00305943	2014-02-19	Terminated	GB2524232
Wellbore positioning system and method	BP Exploration Operating Company Limited	00305943	2013-01-17	Pending	GB2518039
Control line protection	BP Exploration Operating Company Limited	00305943	2011-04-15	Terminated	GB2493663
Identifying forces in a well bore	BP Exploration Operating Company Limited	00305943	2012-10-19	In Order For Grant	GB2509643
Oil recovery method	BP Exploration Operating Company Limited	00305943	2014-07-15	Awaiting First Examination	GB2540830
Estimating flow rates from multiple hydrocarbon reservoir layers into a production well	BP Exploration Operating Company Limited	00305943	2012-12-20	Pending	GB2511019
Generating slug flow	BP Exploration Operating Company Limited;The British Petroleum Company PLC	00305943	1993-10-28	Ceased	GB2272425
Electromechanical filter for fischer-tropsch synthesis	BP Exploration Operating Company Limited;Davy Process Technology Limited	00305943	2004-03-18	Ceased	GB2415155
Raman Amplification in Distributed Optical Fiber Sensing Systems	BP Exploration Operating Company Limited;Schlumberger Holdings Limited	00305943	2007-02-09	Granted	GB2441016
Method and system of deploying one or more optical fiber waveguides in conjunction with a pipeline	BP Exploration Operating Company Limited;Schlumberger Holdings Limited	00305943	2006-11-14	Granted	GB2443832
Strain transfer in fibre optic cable	BP Exploration Operating Company Limited;Schlumberger Holdings Limited	00305943	2007-01-29	Granted	GB2438432
Distributed sensing in an optical fiber using brillouin scattering	BP Exploration Operating Company Limited;Schlumberger Holdings Limited	00305943	2008-06-13	Granted	GB2464414
A hydrocarbon heating system	Tullow Group Services Limited	05660209	2015-07-17	Granted	GB2541815
Method for inhibiting scale formation	Britoil plc	SC077750	1991-09-23	Terminated	GB2248830
Method for inhibiting scale formation	Britoil plc	SC077750	1991-09-23	Terminated	GB2248831
Seismic streamer section	Britoil plc	SC077750	1984-08-03	Ceased	GB2162637
Method for inhibiting scale formation	Britoil plc	SC077750	1991-09-23	Terminated	GB2248832
Digital telemetry system for seismic streamer	Britoil Plc	SC077750	1983-10-18	Ceased	GB2148501
Buoyant seismic streamer array	Britoil Plc	SC077750	1983-11-16	Terminated	GB2149916
Vibration isolation section for a seismic streamer	Britoil plc	SC077750	1984-08-03	Terminated	GB2162638
Underwater well equipment	Britoil PLC	SC077750	1984-09-12	Ceased	GB2166775
Node for towed acoustic array	Britoil plc;STC plc	SC077750	1983-05-13	Ceased	GB2170161
Moulded nodules on strainwire	Britoil plc;STC plc	SC077750	1986-04-12	Terminated	GB2188954
Remote calibration of acoustic transducer array	Britoil Plc;STC plc	SC077750	1983-10-18	Ceased	GB2148502

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