U.S. Department of Energy released schematic diagrams of Blowout Preventer and Well for MC252 “Macondo” Project. Files can be obtained here:

Well Configuration (.pdf)- showing the depths and sizes of the different casings installed during the well’s construction.
Blow Out Preventer Drawing (.pdf) – This file is an engineering drawing of the Blow Out Preventer with the key components labeled.
Pressure Data Within BOP (.xls)  – This file describes the components within the BOP and the pressure readings taken during diagnostic operations on May 25.
Top Kill Operational Concept and Details (.pdf) - This file contains a cartoon schematic of the Top Kill operational concept and layout of surface and underwater vessels and a status of Top Kill #1 – 3.

Picture above: Blowout Preventer top opening right after riser was cut (unevenly) with giant shears. Picture was take from ROV live video feed on June 3, 2010 and shows there are two streams of different color gushing from the well, likely due to leaks from different rock formation areas.