The choke manifold is an arrangement of valves, fittings, lines, and chokes that provide several flow routes to control the flow of mud, gas, and oil from the annulus during a kick ( Kick warning signs – Causes of kick in drilling). Here you shall learn choke manifold parts, function & IADC recommendations in drilling. …
The Inside BOP (IBOP) as gray valve is a back-pressure type valve (or float valve) that allows stripping operation using drilling kelly / top drive or running drill pipe into the hole without mudflow upward through the valve. It can be stabbed and made up on the drill pipe only at very low flow rates. …
The annular preventer (also called bag type, spherical, or universal preventer) is the most versatile piece of equipment on the BOP stack since it can close around the casing, drill pipe, drill collars, wireline, and even close an open hole. The rubber packing elements of the annular preventers, which allow this flexibility, are also subject …
