Mezue ahịrịokwu na-esonụ: Na June 2008 ewu malitere na a siri ike na ubé ibu pesonel okirikiri nke nwere ike ji kwalite "Alvin" (maka ojiji si 2011), tupu a na-eji na a kpam kpam ọhụrụ ụgbọala. A haziri okirikiri ọhụrụ ahụ, ma mezie ya, site na ngwongwo titanium siri ike, na ọkara abụọ, na Ladish Forge, Cudahy, Wisconsin, wee mezie 15.5 tọn nke titanium ma gbakọta ya, na-eji ọdụ ụgbọ mmiri ise (kama nke ugbu a) ma haziri ya maka omimi nke ihe karịrị, ebe "Alvin" wuru omimi omimi. Nke a, tinyere nkwalite n'ozuzu nke usoro nkwado, ngwá ọrụ na ihe onwunwe, ga-eme ka "Alvin" ruo 98% nke ala oké osimiri. Mgbe otu nmikpu ikpeazụ gasịrị iji nyochaa mmebi e mebiri ala oké osimiri nke Ọwara Oké Osimiri Mexico mgbe oké ifufe ahụ kpara mkpamkpa
Ọdachi nke "Deepwater Horizon", "Alvin" ka a rụgharịrị malite na Jenụwarị 2011, na-atụ anya ịlaghachi n'oké osimiri na 2012 na oke omimi zuru oke ruru na 2014.