society > occupation and work > industry > drilling for oil or gas > [adjective] > method of drilling
rotary1901
turbodrilled1948
slim hole1953
1948 Oil & Gas Jrnl. 3 June 61/1 Photoclinometer and hole-section surveys showed a total drift of 3 ft. or 10½ minutes from vertical through the section turbo-drilled.
1949 World Oil 1 July 88/1 Electric logs..were run after the turbodrilled section was completed.