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09:54 Mar 14, 2010
English to Slovak translations [PRO]
Tech/Engineering - Petroleum Eng/Sci
English term or phrase: kelly
Definition from Petex:
the heavy square or hexagonal steel member suspended from the swivel through the rotary table and connected to the topmost joint of drill pipe to turn the drill stem as the rotary table turns.

Example sentence(s):
  • Ten metre pipe lengths are stored temporarily in the mouse hole while the kelly bar is swung across to screw into the pipe threads. When not in use, the kelly and swivel are secured in the rat hole. The Petroleum Institute Training Service
  • The kelly has sides so that it can be gripped and turned. Turning the kelly turns all the pipe in the hole and drills the hole. Foster Learning Inc.
  • Drilling fluid, better known as drilling mud, is circulated through the kelly and the drill string by means of pipes and flexible hose connecting the drilling fluid or mud pumps and a swivel device attached to the upper end of the kelly. Kansas Geological Survey
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Summary of translations provided
4unášacia tyč
Jan Chupac


Translations offered

1 day 9 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
unášacia tyč

Definition from own experience or research:
2. vrtná tyč štvorcového prierezu
3. vrtná tyč na prívod horľaviny pri termickom vŕtaní

Example sentence(s):
  • K docílení vysoké produktivity při vrtání se vzduchovým výplachem je kromě samotného vrtného postupu při hlubinném vrtání významný také čas pro zapouštění a vytahování vrtných tyčí (obr. 6). -  
  • Pak se opět připojí soutyčí a pokračuje se ve vrtání. Jakmile délka všech vyrovnávacích tyčí dosáhne délky normální vrtné tyče, provede se výměna za tuto tyč. - Hornická Skripta  
Jan Chupac
Local time: 03:50
Native speaker of: Slovak
PRO pts in category: 4
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