Blowout preventer stack

A blowout preventer (BOP) is a large, specialized valve or similar mechanical device, used to. The terms blowout preventer, blowout preventer stack and blowout preventer system are commonly used interchangeably and in a general manner . A typical stack might consist of one to six ram-type preventers an optionally, one or two .

BOP tests vary from daily function testing on critical wells to monthly or less frequent testing. See: annular blowout preventer, blowout, BOP stack, casing string, drilling break, hook loa . The annular blowout preventer is installed at the top of the. ABlowout Preventer (BOP) is an assembly of specialized valves or similar mechanical devices installe during drilling, between the wellhead .

BOP (blow out preventer) - Duration: 2:53. Annular BOPs are usually mounted to the very top of the BOP stack. The drilling crew then mounts two, three, or four RAM BOPs below the Annular preventer.

Nov 20- Primary well control involves using a drilling fluid (mud) in the well maintaining a. It is called stack since you want to have several BOP (to usually 4) on top of each other for back up and to account for the scores of well . The lower assembly, referred to as the BOP stack, rests on the wellhead connector. The upper assembly, referred to as the lower marine riser package (LMRP), .