kelly. The topmost section of the length of pipe used in DRILLING that fits into the DRILLING TABLE.
KeywordsMotor Spirit Well Bore Drill Fluid Efficient Combustion Central Heating
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
© Palgrave Macmillan, a division of Macmillan Publishers Limited 1988