Kunezinhlobo eziningiizesekeli zokumba i-rotary. Izesekeli ezihlukene zokumba i-rotary kufanele zikhethwe ezindaweni ezahlukene zokwakha kanye ne-strata ehlukene.
a. Ibhithi lokudoba i-slag kanye nebhakede lesihlabathi kuzosetshenziselwa ukudoba nge-slag;
b. I-barel bit izosetshenziselwa i-rock stratum enamandla aphansi;
c. Uma kusetshenziswa i-conical spiral bit, i-coring bit ekhethekile kufanele isetshenziselwe ukusampula okuyisisekelo;
d. Ibhakede lokumba elijikelezayo lizosetshenziselwa ungqimba lomhlabathi;
e. Uma kukhona inqwaba enensimbi, i-belled bit izosetshenziselwa ingxenye enensimbi;
f. Lapho i-rock stratum enamandla amakhulu iwa futhi ibhakede lokumba elijikelezayo lingakwazi ukuqhubeka nokubhola, kuzosetshenziswa isikulufu sekhoni;
Ukukhethwa kwezesekeli zokumba i-rotary kuzothinta ukusebenza kahle kokwakhiwa. Uma izesekeli zokumba zikhethwe ngendlela efanele, ukusebenza kahle kokwakhiwa kwe-rotary drilling rig kuzothuthukiswa kakhulu.
Isikhathi sokuthumela: Feb-16-2022