1-24 of 52 Books
Effect of symmetric bit wear and attack angle on airborne respirable dust and energy consumption
Effect of symmetric bit wear and attack angle on airborne respirable dust and energy consumption
By Bruce D. Hanson
Semi-annual report on the project to design and experimentally test an improved geothermal drill bit
Semi-annual report on the project to design and experimentally test an improved geothermal drill bit
By L. M. Barker
Effect of depth of cut and bit type on the generation of respirable dust
Effect of depth of cut and bit type on the generation of respirable dust
By Kelly C. Strebig
Evaluation of high-pressure front-mounted water jets for frictional-ignition suppression
Evaluation of high-pressure front-mounted water jets for frictional-ignition suppression
By Taylor, Charles D.
Gornye instrumenty
Gornye instrumenty
By Mikhail Gavrilovich Krapivin
Porodorazrushai͡u︡shchiĭ instrument na osnove slavuticha dli͡a︡ burenii͡a︡ glubokikh skvazhin
Porodorazrushai͡u︡shchiĭ instrument na osnove slavuticha dli͡a︡ burenii͡a︡ glubokikh skvazhin
By Ivan Fedorovich Vovchanovskiĭ
Instrument dli͡a︡ burenii͡a︡ skvazhin
Instrument dli͡a︡ burenii͡a︡ skvazhin
By I. K. Maslennikov
Cutting parameters affecting the ignition potential of conical bits
Cutting parameters affecting the ignition potential of conical bits
By Bruce D. Hanson
Pnevmoudarnoe burenie razvedochnykh skvazhin
Pnevmoudarnoe burenie razvedochnykh skvazhin
By I. V. Kulikov
Utilisation du diamant industriel dans les forages pétroliers
Utilisation du diamant industriel dans les forages pétroliers
By Marcel G. Ritter
Osnovy i opyt burenii͡a︡ stupenchatymi dolotami
Osnovy i opyt burenii͡a︡ stupenchatymi dolotami
By Kuliev, S. M.
Stoĭkostʹ burovykh dolot
Stoĭkostʹ burovykh dolot
By Fizyko-mekhanichnyĭ instytut (Akademii͡a nauk Ukraïnsʹkoï RSR)
From blacksmith to blackgoldsmith
From blacksmith to blackgoldsmith
By B. Carolyn Schlee
Verbesserung der Bohrungsqualität beim Arbeiten mit Einlippen-Tiefbohrwerkzeugen
Verbesserung der Bohrungsqualität beim Arbeiten mit Einlippen-Tiefbohrwerkzeugen
By Franz Pfleghar
Paramètres et contrôle de forage
Paramètres et contrôle de forage
By A. Choquin

Paramètres et contrôle du forage
By A. Choquin
Iznosostoĭkostʹ kompozit͡sionnykh almazosoderzhashchikh materialov dli͡a burovogo instrumenta
Iznosostoĭkostʹ kompozit͡sionnykh almazosoderzhashchikh materialov dli͡a burovogo instrumenta
By N. V. T͡Sypin
Tekhnicheskie sredstva dli͡a︡ almaznogo burenii͡a︡
Tekhnicheskie sredstva dli͡a︡ almaznogo burenii͡a︡
By A. V. Maramzin
Dolgovechnostʹ sharoshechnykh dolot
Dolgovechnostʹ sharoshechnykh dolot
By
Burovye rastvory s uluchshennymi smazochnymi svoĭstvami
Burovye rastvory s uluchshennymi smazochnymi svoĭstvami
By
Conical bit rotation as a function of selected cutting parameters
Conical bit rotation as a function of selected cutting parameters
By Carl F. Wingquist
A guide for water well drillers
A guide for water well drillers
By