• Annular BOP
  • Annular BOP
  • Annular BOP

GEPEC offers a wide range of annular BOP for onshore and offshore drilling operation Annular blowout preventer is designed for safe well pressure control during drilling and work over operations of oil and gas wells and submitted to erosion and corrosion due to solid and chemical particles contained in the drilling fluids flowing through the bore.

Manufacturing standard:

(1) Annular BOP, Rams BOP and Packers blocks: API Spec.16 A/ ISO 13533 & NACE MR-0175/ISO15156

(2) Flanged connections: API Spec 6 A /ISO10423 &NACE MR-0175 /ISO15156

(3) Ring Gaskets, Stud Bolts and Nuts: API Spec. 6A/ISO10423 & NACE MR-0175/ISO 15156.

    Product feature

SB MODEL ANNULAR BOP                                         SW MODEL ANNULAR BOP

Size: 7 1/16" -13 5/8"                                                       Size: 11" -13 5/8"

Pressure: 3000PSI - 5000PSI                                          Pressure: 3000PSI - 10000PSI


1. Strong simple construction and space saving design with only five major components.

2. Simple hydraulic system with only two hydraulic connections required.

3. Wear ring on moving parts to prolong the life of the preventers .

4. Easy servicing on field.

5. Low operating pressure.

6. Rugged reliable sealing elements.

7. Steel segments reinforce sealing element.

8. Long stripping life.


Size: 7 1/16" -13 5/8"                             Size(MSP): 21 1/4"              Size(MSP):  29 1/2"

Pressure: 3000PSI-5000PSI                 Pressure : 2000PSI              Pressure :500PSI


1) Seal element molded with two different styles of inserts to reduce closing volume and increase closing cycles.

2) Replacement wear place that eliminates metal contact between the seal element inserts and the BOP head.

3) A piston design that provides complete balance more reliable operation and ease of assembly.

4) A latched head for fast, easy access to the seal element and wear seals.

5) An opening chamber head hat prevents debris from falling into the chambers when replacing the seal element.

6) Inner sleeve is bolted to the body that eliminates the difficulties in repair, and it is field replaceable

Technical parameters


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