método para introduzir um fluido para o interior de um furo de sondagem formado em uma formação de terra subterránea, e, sistema para perfurar e para introduzir um fluido para o interior de um furo de sondagem em uma formação de terra subterránea
DAVID GEORGE LIVESEY SMITH, ROBERT NICHOLAS WORRALL, DOUWE JOHANNES RUNIA
Year of Publication 29.11.2011
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Year of Publication 29.11.2011
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STEERABLE ROTARY DRILL BIT ASSEMBLY WITH PILOT BIT
RUNIA, DOUWE JOHANNES, SMITH, DAVID GEORGE LIVESEY, WORRALL, ROBERT NICHOLAS
Year of Publication 22.06.2010
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Year of Publication 22.06.2010
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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 29.12.2009
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Year of Publication 29.12.2009
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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 15.12.2008
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Year of Publication 15.12.2008
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Steerable rotary drill bit assembly with pilot bit
RUNIA DOUWE JOHANNES,SMITH DAVID GEORGE LIVESEY,WORRALL ROBERT NICHOLAS
Year of Publication 07.11.2007
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Year of Publication 07.11.2007
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Injecting a fluid into a borehole ahead of the bit
Runia, Douwe Johannes, Smith, David George Livesey, Worrall, Robert Nicholas
Year of Publication 16.10.2007
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Year of Publication 16.10.2007
Patent
Injecting a fluid into a borehole ahead of the bit
SMITH DAVID GEORGE LIVESEY, RUNIA DOUWE JOHANNES, WORRALL ROBERT NICHOLAS
Year of Publication 16.10.2007
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Year of Publication 16.10.2007
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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 24.04.2007
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Year of Publication 24.04.2007
Patent
Steerable rotary drill bit assembly with pilot bit
Runia, Douwe Johannes, Smith, David George Livesey, Worrall, Robert Nicholas
Year of Publication 24.04.2007
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Year of Publication 24.04.2007
Patent
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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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
Patent
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
Patent
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
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
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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
Patent
INJECTING A FLUID INTO A BOREHOLE AHEAD OF THE BIT
RUNIA, DOUWE JOHANNES, SMITH, DAVID GEORGE LIVESEY, WORRALL, ROBERT NICHOLAS
Year of Publication 06.02.2003
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Year of Publication 06.02.2003
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