Page 149 - Well Control for Completions and Interventions

Well Control Surface Equipment 141

Ram preventer
Ram preventer
Ram preventer
Drilling spool

Drilling spool Ram preventer
Kill line
Wellhead
Wellhead

Figure 4.1 Blow out preventer configuration for pressure up to 2000 psi.

Annular preventer

Annular preventer
Ram preventer

Ram preventer
Drilling spool
Ram preventer

Drilling spool Ram preventer
Wellhead Wellhead

Figure 4.2 Blow out preventer configuration for 3000 and 5000 psi working
pressure.

• The kill and choke lines can be connected to the inlet of the ram
BOP or to a drilling spool.
• The kill and choke line must be at least 2 in. nominal diameter.
• If used, the drilling spool can be positioned between the BOP
rams or below the lower ram. It must have two side outlets of at
least 2 in. nominal diameter.