flush drilling, injection drilling* * *wash drilling
1) injection drilling; 2) fluid-circulation drilling
su ile delme, sulu delme, su ile sondaj, sulu sondaj
wet drilling
aerated-fluid drilling
aerated formation-water drilling
aeration drilling
aerated-mud drilling
drilling with mud
perforazione con iniezione d'acqua {ad umido}
сумен тазалай бұрғылау
water flush drilling
• mud-circulation drilling • mud-flush boring
invert oil-emulsion drilling
oil mud drilling
drilling with oil
wash boring
drilling with salt water
slag drilling
oil-emulsion drilling