Izici Eziyinhloko Zezesekeli Zephampu Yodaka
Ⅰ. Yiziphi izesekeli zephampu yodaka?
Izesekeli zephampu yodaka lokumba uwoyela, ezibuye zibizwe ngokuthi izinsiza zephampu ye-oilfield mud, ziyingxenye ebalulekile yezinto zokusebenza zokumba, ezisetshenziselwa ukuthutha imidiya exutshwayo efana nodaka noma amanzi iwayise emgodini ngesikhathi sokumba.