Zida zazikuluzikulu / zida zofananira pobowola (jackup rig) ndi monga akasinja amatope, mapampu amatope, derrick kapena mast, zojambula, tebulo lozungulira kapena choyendetsa chapamwamba, chibowolero, zida zopangira magetsi, zida zachitetezo ndi zida zothandizira. .
Zida zofananira bwino ndiye maziko oyendetsa bwino komanso mogwira mtima a rig VS Petro nthawi zonse amapanga ndikupereka zida zobowolera zapamwamba kwambiri pamlingo wonse kutengera akatswiri athu pamagawo onse akubowola ndi kukonza mafuta / gasi.
Ndi kuwongolera mokhazikika pamapangidwe aliwonse, zida, kusonkhanitsa, kuyesa ndi kupenta, timapereka zida zabwino kwambiri zoboolera zofananira.
Zida zonse zobowola zimagwirizana ndi API, ISO kapena GOST standard.