Pedzisa mutsara unotevera: Muna June 2008 kuvaka kwakatanga pane imwe nzvimbo yakasimba uye yakakura zvikuru yevashandi iyo inogona kushandiswa kuvandudza "Alvin" (kushandiswa kubva muna 2011), isati yashandiswa mumotokari itsva zvachose. Sphere itsva yakagadzirirwa, uye yakabva yaumbwa, kubva pamatani matani, muzvikamu zviviri zvakaenzana, paLadish Forge, Cudahy, Wisconsin, uye ipapo matani 15.5 etitaniyamu akavezwa uye akaunganidzwa, achishandisa zviteshi zvishanu zvekuona (panzvimbo yezvitatu zvemazuva ano) uye yakagadzirirwa zvakadzika zvepamusoro pe, apo "Alvin" yakavakwa yakadzika yakadzika yakanga iri. Ikoku, pamwe chete nokuvandudzwa kukuru kwenzira dzokutsigira nadzo, zviridzwa nezvinhu, kuchabvumira "Alvin" kusvika 98% yepasi pegungwa. Pashure pokunyura kwokupedzisira kuti aongorore kukuvadzwa kwakaitwa pasi pegungwa reGulf of Mexico pashure pokunge
"Deepwater Horizon" njodzi, "Alvin" yakavandudzwa kutanga muna Ndira 2011, nekudzoka kunotarisirwa kugungwa muna 2012 uye kugona kwakadzika kuzere kwakawanikwa muna 2014.