Ọrụ na Mmezi
Ụlọ ọrụ anyị na-arụzigharị na mgbanwe nke ụdị BOP dị iche iche n'ụlọ na ná mba ọzọ. Site na usoro nke nwere mgbasa, nyocha, nchikota, nnwale na nnọchi akụkụ, anyị na-eweghachi akụrụngwa n'ọkwa akọwapụtara na ikike ụlọ ọrụ yana nkwado nwụnye. Ụdị BOP arụziri bụ Cameron ụdị ebule BOP, ụdị ebule nke Hydril na Annular BOP, ụdị ebule nke Shaffer na Annular BOP. Dị ka Shaffer 18 3⁄4" 5000PSI n'okpuru mmiri ebule atọ BOP, Hydril GL 18 3⁄4" 5000PSI Annular BOP, Hydril MSP 21 1⁄4" 2000PSI Annular BOP, Shaffer 13 5⁄8" 5000PSI Annular BOP ⁄8" 5000PSI Annular BOP, Cameron 13 5⁄8" 5000PSI, 10000PSI ebule BOP, wdg.