Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3770Chemical news office., 1932 |
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Strona 18
... drilling of brine wells , an oil well was drilled in Pennsylvania ; thus bringing into existence the industry which was destined to revolutionize transport and many other aspects of civilized life . Water in connection with next ...
... drilling of brine wells , an oil well was drilled in Pennsylvania ; thus bringing into existence the industry which was destined to revolutionize transport and many other aspects of civilized life . Water in connection with next ...
Strona 22
... drilled by either of two methods - percussion or rotary . In the former , a long chisel , or drill , is suspended by a drilling rope from the surface equip- ment . The drill is alternately raised and released , the force of its impact ...
... drilled by either of two methods - percussion or rotary . In the former , a long chisel , or drill , is suspended by a drilling rope from the surface equip- ment . The drill is alternately raised and released , the force of its impact ...
Strona 24
... drilling operates by means of abrasion . A drill pipe , made up of lengths screwed one to another , connects a drilling bit to revolving apparatus on the surface . The weight of the pipe bears on the bit and multiplies the abrasive ...
... drilling operates by means of abrasion . A drill pipe , made up of lengths screwed one to another , connects a drilling bit to revolving apparatus on the surface . The weight of the pipe bears on the bit and multiplies the abrasive ...
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activity adopted applied boring Buildings calculated carbon Communicated compared completed conduction considerably Controller convection cool countries define depth described determination direct discovery distribution drilling effect elastic emitted existence experience experimental explosion fact factor field flame flowing fuel furnace further gases given heat transfer important increased industry instance Institute for Medical interest issued June knowledge known laboratories late limited London lower Marks mass measured Medical Research medium ment method National Institute nature nights obtained Office operates original Patent path petroleum possible practical present pressure principles processes production proportion published quantities radiation recently recommended recorded reduced regions Research reservoir rock scientific shape simple solids square standard preparation station steam structural studied suitable surface temperature tion underground unit values vapour various vitamin waves workers