Blowout Preventers : (BOP )

Types of ) BOPs (:

A – Annular Preventers.

B – Ram Preventers . It includes:

1- Pipe Rams. 2- Blind Rams.

3 -Blind Shear Rams . 4 -Variable Blind Rams ) VBR Rams ( .

Surface ) BOP ( Equipments:

1- BOP Stack 6- Mud – Gas Separator

2- Control panel 7- Flair line

3- Accumulator 8- Flair pit

4- Choke manifold 9- Valves

5- Choke control panel 10- Trip Tank

For sub sea ) BOP ( increase in: 1- Marin Riser 4- Hose bundle 2- Guide Lines 5- Control pods

3- Flexible joint 6- Telescopic joint

Trip Tank : used in case pull or down drill string . ) Tripping operation (

NotesVolume of mud put in hole from trip tank should be equal volume of drill string removed.

When Taking kick ) BOP ( Must Be Closed And Occur This:

Choke line Kick

Mud Gas Separator Choke manifold

Trip tank ) Mud ( .

(Gas ) Flair line

Accumulator is under pressure from

(2000 psi – 15000 psi) .