amapharti wesikhombisa sokubhala
Izingxenye zezikhungo zokubhola ziyingxenye ebalulekile esebenza ndawonye ukuze kwakhiwe uhlelo oluphelele nolusebenzayo lokubhola ukuze kutholakale uwoyela, igesi nokushisa komhlaba. Ukuqonda izingxenye zezikhungo zokubhola kubalulekile kubasebenzi abafuna ukugcina umkhiqizo nokuphepha emsebenzini. Lezi zingxenye ze-rig zokubhola zihlanganisa i-derrick, i-drawworks, itafula elijikelezayo, intambo yokuprakthiza, izivimbeli zokuphefumula, izinhlelo zokudaka, nemishini yokwakha amandla, ngayinye esebenza imisebenzi ehlukile ngaphakathi kokusebenza okuphelele. Umsebenzi oyinhloko wezingxenye zezikhungo zokubhola uhlanganisa ukuguqula imishini yasemhlabathini ibe isimiso esihlanganisiwe esikwazi ukungena ekujuleni kwenhlabathi. Izingxenye ze-rig zokubhola zisebenza ndawonye ukuze zisetshenziswe amandla okujikeleza, zigcine umgodi uzinzile futhi zilawule uketshezi lokubhola. Izici zobuchwepheshe zezingxenye zesimanje zokubhola zifaka phakathi izinhlelo zokuqapha ezizenzakalelayo, ukuqoqwa kwedatha ngesikhathi sangempela, kanye nezinqubo zokuphepha ezithuthukisiwe ezinciphisa izingozi zokusebenza. Izicelo zezingxenye ze-rig zokubhola zisakazeka ezindaweni ezisemhlabeni nase-offshore, kuhlanganise nemithombo engajulile nemisebenzi yamanzi ajulile kakhulu. Ukuhlukahluka kwezingxenye ze-rig zokubhola kuzenza zilungele ukwakheka okuhlukahlukene kwejoloji namasu okubhola. Kungakhathaliseki ukuthi zisetshenziswa ekubumbeni okujwayelekile okuqondile noma emithonjeni eqondile, izingxenye ze-rig zokubhola zinikeza ukusebenza okuthembekile nokuqina ngaphansi kwezimo ezimbi kakhulu. Abaqhubi bathembele ezingxenyeni zekhwalithi zezikhungo zokubhola ukuze bafinyelele imigomo yokukhiqiza ngenkathi begcina ukuhambisana nemvelo nezindinganiso zokuphepha zabasebenzi kuyo yonke imikhankaso yokubhola.