Neftyanoe Khozyaistvo, No.5, 25-29, 1998
The reasons of blowouts in wells and detection of gas, oil and water showings at the earlier stage of their origin
Given are certain results of investigations of blowout formation with the movement along the borehole of gassed drilling mud, which creates unstable equilibrium oi the system in wells 2000 m deep. Given are the data of experimental operations on working out of technological control conditions with the location of drilling column at various distances from the bottomhole zone.