STEERABLE ROTARY DRILL BIT ASSEMBLY WITH PILOT BIT
WORRALL, ROBERT, NICHOLAS, RUNIA, DOUWE, JOHANNES, SMITH, DAVID, GEORGE, LIVESEY
Year of Publication 21.09.2005
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Year of Publication 21.09.2005
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IMPROVED FORGE WELDING PROCESS AND PRODUCT OBTAINED BY SUCH PROCESS
COLE, ANTHONY THOMAS, DEN BOER, JOHANNIS JOSEPHUS, DIMITRIADIS, KLISTHENIS, EFTHYMIOU, MICHALAKIS, WORRALL, ROBERT NICHOLAS, ZIJSLING, DJURRE HANS, COX, ALI JOSEPH, ALFORD, ROBERT ANDREW, GUNTURI, RAMA KRISHNA SIVA
Year of Publication 26.07.2011
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Year of Publication 26.07.2011
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Steerable rotary drill bit assembly with pilot bit
SMITH DAVID GEORGE LIVESEY, RUNIA DOUWE JOHANNES, WORRALL ROBERT NICHOLAS
Year of Publication 18.05.2005
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Year of Publication 18.05.2005
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Injecting a fluid into a borehole ahead of the bit
DAVID GEORGE LIVESEY SMITH, ROBERT NICHOLAS WORRALL, DOUWE JOHANNES RUNIA
Year of Publication 09.03.2005
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Year of Publication 09.03.2005
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DRILLING AND COMPLETION SYSTEM FOR MULTILATERAL WELLS
HEIJNEN, WILHELMUS HUBERTUS PAULUS MARIA, BRAITHWAITE, STEPHEN RICHARD, WORRALL, ROBERT NICHOLAS
Year of Publication 17.06.2008
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Year of Publication 17.06.2008
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Injecting a fluid into a borehole ahead of the bit
SMITH DAVID GEORGE LIVESEY, RUNIA DOUWE JOHANNES, WORRALL ROBERT NICHOLAS
Year of Publication 02.12.2004
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Year of Publication 02.12.2004
Patent
Steerable rotary drill bit assembly with pilot bit
SMITH DAVID GEORGE LIVESEY, RUNIA DOUWE JOHANNES, WORRALL ROBERT NICHOLAS
Year of Publication 02.12.2004
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Year of Publication 02.12.2004
Patent
Injecting a fluid into a borehole ahead of the bit
WORRALL ROBERT NICHOLAS,RUNIA DOUWE JOHANNES,SMITH DAVID GEORGE LIVESEY
Year of Publication 03.11.2004
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Year of Publication 03.11.2004
Patent
SYSTEM FOR ENHANCING FLUID FLOW IN A WELL
AMORY, MARC EMMANUEL, WORRALL, ROBERT NICHOLAS, DALING, ROELOF, GLANDT, CARLOS ALBERTO
Year of Publication 18.03.2008
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Year of Publication 18.03.2008
Patent
Injecting a fluid into a borehole ahead of the bit
DAVID GEORGE LIVESEY SMITH, ROBERT NICHOLAS WORRALL, DOUWE JOHANNES RUNIA
Year of Publication 02.06.2004
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Year of Publication 02.06.2004
Patent
STEERABLE ROTARY DRILL BIT ASSEMBLY WITH PILOT BIT
WORRALL, ROBERT, NICHOLAS, RUNIA, DOUWE, JOHANNES, SMITH, DAVID, GEORGE, LIVESEY
Year of Publication 14.04.2004
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Year of Publication 14.04.2004
Patent
Bore- og kompletteringssystem for flersidige bronner
BRAITHWAITE STEPHEN RICHARD, WORRALL ROBERT NICHOLAS, HEIJNEN WILHELMUS HUBERTUS PAULUS MARIA
Year of Publication 01.10.2007
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Year of Publication 01.10.2007
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Injisering av et fluid i et borehull foran borkronen
SMITH DAVID GEORGE LIVESEY, WORRALL ROBERT NICHOLAS, RUNIA DOUWE JOHANNES
Year of Publication 23.03.2004
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Year of Publication 23.03.2004
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Styrbar roterbar borkronesammenstilling med styreborskjaer
SMITH DAVID GEORGE LIVESEY, WORRALL ROBERT NICHOLAS, RUNIA DOUWE JOHANNES
Year of Publication 15.03.2004
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Year of Publication 15.03.2004
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IN-SITU CASTING OF WELL EQUIPMENT
ROBERT NICHOLAS WORRALL, MIKE PETERS, MARTIN GERARD RENE BOSMA, KLISTHENIS DIMITRIADIS, ERIK KERST CORNELISSEN
Year of Publication 31.07.2007
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Year of Publication 31.07.2007
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