Piezo-QEXAFS: advances in time-resolved X-ray absorption spectroscopy von Richwin, Matthias, Zaeper, Ralf, Lützenkirchen-Hecht, Dirk, Frahm, Ronald

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Downhole geophysical data acquisition during reverse circulation drilling for mining von Hopper, Timothy, Schubert, Matthew, Joldes, Grand, Moran, Brendan, Kalisch, Paul, Crumby, Mark, Buters, Nick, Ott, Kai-Uwe, Rogozinski, Kamil, Morgan, Quentin, Neville, Tom, Shanmugam, Harish, Zaeper, Ralf, Lowe, Jonathan, Prince, Andrew

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Piezo-XAFS–time-resolved x-ray absorption spectroscopy von Richwin, Matthias, Zaeper, Ralf, Lützenkirchen-Hecht, Dirk, Frahm, Ronald

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Fremgangsmåte og deteksjonssystem for nedihulls utvasking von MacPherson, John D, Zaeper, Ralf

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A novel crystal bender for x-ray synchrotron radiation monochromators von Zaeper, Ralf, Richwin, Matthias, Lützenkirchen-Hecht, Dirk, Frahm, Ronald

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PERCUSSION DRILLING APPARATUS AND METHOD FOR MEASUREMENT WHILE DRILLING von LOWE, Jonathan, BUTERS, Nick, SCHUBERT, Matt, ZAEPER, Ralf, OTT, Kai-Uwe, HOPPER, Timothy, KALISCH, Paul, ROGOZINSKI, Kamil

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PERCUSSION DRILLING APPARATUS AND METHOD FOR MEASUREMENT WHILE DRILLING von LOWE, Jonathan, BUTERS, Nick, SCHUBERT, Matt, ZAEPER, Ralf, OTT, Kai-Uwe, HOPPER, Timothy, KALISCH, Paul, ROGOZINSKI, Kamil

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PERCUSSION DRILLING APPARATUS AND METHOD (WITH DAMPER) von LOWE, Jonathan, BUTERS, Nick, SCHUBERT, Matt, ZAEPER, Ralf, OTT, Kai-Uwe, HOPPER, Timothy, KALISCH, Paul, ROGOZINSKI, Kamil

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MÉTODO DE DETECTAR UM DESMORONAMENTO DE FUNDO DE POÇO von RALF ZAEPER, JOHN D. MACPHERSON

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PERCUSSION DRILLING APPARATUS AND METHOD FOR MEASUREMENT WHILE DRILLING von LOWE, Jonathan, BUTERS, Nick, SCHUBERT, Matt, ZAEPER, Ralf, OTT, Kai-Uwe, HOPPER, Timothy, KALISCH, Paul, ROGOZINSKI, Kamil

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PERCUSSION DRILLING APPARATUS AND METHOD (WITH DAMPER) von LOWE, Jonathan, BUTERS, Nick, SCHUBERT, Matt, ZAEPER, Ralf, OTT, Kai-Uwe, HOPPER, Timothy, KALISCH, Paul, ROGOZINSKI, Kamil

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System og fremgangsmåte for å lokalisere, overvåke og kvantifisere friksjon mellom en borestreng og et brønnhull von MacPherson, John D, Zaeper, Ralf, May, Roland, Dahl, Thomas

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PERCUSSION DRILLING APPARATUS AND METHOD FOR MEASUREMENT WHILE DRILLING von LOWE, Jonathan, BUTERS, Nick, SCHUBERT, Matt, ZAEPER, Ralf, OTT, Kai-Uwe, HOPPER, Timothy, KALISCH, Paul, ROGOZINSKI, Kamil

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PERCUSSION DRILLING APPARATUS AND METHOD FOR MEASUREMENT WHILE DRILLING von BUTERS, NICK, SCHUBERT, MATT, HOPPER, TIMOTHY, ZAEPER, RALF, OTT, KAI-UWE, ROGOZINSKI, KAMIL, LOWE, JONATHAN, KALISCH, PAUL

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PERCUSSION DRILLING APPARATUS AND METHOD (WITH DAMPER) von BUTERS, NICK, SCHUBERT, MATT, HOPPER, TIMOTHY, ZAEPER, RALF, OTT, KAI-UWE, ROGOZINSKI, KAMIL, LOWE, JONATHAN, KALISCH, PAUL

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PERCUSSION DRILLING APPARATUS AND METHOD (WITH DAMPER) von LOWE, Jonathan, BUTERS, Nick, SCHUBERT, Matt, ZAEPER, Ralf, OTT, Kai-Uwe, HOPPER, Timothy, KALISCH, Paul, ROGOZINSKI, Kamil

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Sistema e método de detecção de desmoronamento de fundo de poço von RALF ZAEPER, JOHN D. MACPHERSON

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Device and method for predictive calibration von Matthias R Moeller, Frank Wiese, Ralf Zaeper

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DOWNHOLE WASHOUT DETECTION SYSTEM AND METHOD von MACPHERSON, JOHN D, ZAEPER, RALF

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Device and method for predictive calibration von FRANK WIESE, RALF ZAEPER, MATTHIAS R MOELLER

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