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 pa chowongolera cha VS Petro nthawi zonse kupanga ndikupereka zida zapamwamba kwambiri zoboolera mokwanira 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.