Igwe a na-egwuputa ihe bụ usoro ejikọtara ọnụ nke na-egwu olulu mmiri, dị ka olulu mmanụ ma ọ bụ gas, n'ime ala nke ụwa.
Drilling rigs nwere ike ịbụ nnukwu ụlọ akụrụngwa eji gwuowa olulu mmanụ, ma ọ bụ olulu mmiri na-amịpụta gas, ebe a na-egwupụta ihe nwere ike ịlele nkwụnye ego ịnweta n'okpuru ala, nkume ule, ala na mmiri dị n'ime ala, yana enwere ike iji ya rụnye ihe ndị dị n'okpuru ala, dị otú ahụ. dị ka ihe eji arụ ọrụ n'okpuru ala, akụrụngwa, tunnels ma ọ bụ olulu mmiri. Drilling rigs nwere ike ịbụ ngwa mkpanaaka etinyere na gwongworo, egwu ma ọ bụ ụgbọala na-adọkpụ, ma ọ bụ ala na-adịgide adịgide ma ọ bụ ihe ndị dabere na mmiri (dịka ikpo okwu mmanụ, nke a na-akpọkarị ' rigs mmanụ dị n'ụsọ osimiri 'ọbụlagodi na ha enweghị igwe na-egwupụta ihe).
Obere igwe na-egwuputa ihe na obere obere bụ mkpanaka, dị ka nke a na-eji na-egwupụta ihe nrịbama, oghere mgbawa, olulu mmiri na nyocha gburugburu ebe obibi. Nnukwu rigs nwere ike igwu mmiri site na puku kwuru puku mita nke eriri ụwa, na-eji nnukwu "nfuli apịtị" na-ekesa apịtị apịtị (slurry) site na ihe ọkụkụ ahụ na elu casing annulus, maka ịjụ oyi na wepụ "ịcha" mgbe olulu mmiri dị. gbapuru.
Ndị na-ebuli elu n'ụgbọ mmiri ahụ nwere ike ibuli ọtụtụ narị tọn ọkpọkọ. Ngwa ndị ọzọ nwere ike ịmanye acid ma ọ bụ ájá n'ime ọdọ mmiri iji mee ka mmịpụta mmanụ ma ọ bụ gas; na n'ebe ndị dịpụrụ adịpụ enwere ike ịnwe ebe obibi na-adịgide adịgide na nri maka ndị ọrụ (nke nwere ike ịbụ ihe karịrị otu narị).
Rigs ndị dị n'ụsọ mmiri nwere ike ịrụ ọrụ puku kwuru puku kilomita site na ebe a na-ebubata ya na ngbanwe ma ọ bụ okirikiri ndị ọrụ anaghị adịkarị.
Anyị nwere ike na-ebunye rigs na-egwupụta ihe site na omimi 500-9000, nke tebụl rotary na sistemụ ụgbọ elu na-anya ya, gụnyere skid mounted rig, track mounted rig, workover rig na offshore rig.
