driller's method

driller's method

[′dril·ərz ‚meth·əd]
(petroleum engineering)
A well-killing method that involves two circulations, one to circulate the formation fluids out of the well and the other to circulate heavier mud through the wellbore.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.