Ukubhola okuqondile okuvundlile noma okuyisidina okuqondisayo kuyindlela yokufaka amapayipi angaphansi komhlaba, imijikelezo noma ikhebula ngokusebenzisa umgodi wokubhola onobuso. Le ndlela ibangela umthelela omncane endaweni ezungezile futhi isetshenziswa kakhulu lapho ukuchelela noma ukumba kungasebenzi.
Sinovo kuyinto ovundlile ohlangothini sokuprakthiza nomkhiqizi e China. Ama-rigs wethu wokubhola wokuqondisa oqondile avundlile asetshenziswa ngokwengeziwe ekwakhiweni kwamapayipi wamanzi, amapayipi egesi, ugesi, ezokuxhumana ngocingo, amasistimu okushisa, kanye nemboni kawoyela ongahluziwe.