Annular BOP
Ram BOP

BOPs - Blowout Preventer Stacks

Overview

Blowout Preventers (BOPs) are safety devices used to "prevent" the uncontrolled flow of liquids and gases during well drilling operations. Blowout preventers are large, high-pressure valves that are capable of being remotely controlled. When the driller closes the valve, a pressure-tight seal is formed at the top of the well, preventing the fluids from escaping. ALL BOPs are manufactured to comply with specification API Spec 16A and MR-01-75 for H2S service.
There are two major types of Blowout Preventers, Annular (also known as Spherical) and RAM. Annular BOPs are usually mounted to the very top of the BOP stack. The drilling crew then mounts two, three, or four RAM BOPs below the Annular preventer. If a kick is detected, the annular is usually closed first and then the RAM is used as a backup if the Annular should fail.

BOP Types We Offer

Annular BOP

Annular type BOPs which seal reliably on almost any shape or size kellys, drill pipe, tool joints, drill collars, casing or wireline. Sphericals seal also provide positive pressure control for stripping drill pipe into and out of the hole. They are available in bolted cover, wedge cover Feature/Benefits

  • Rugged, reliable, long-life sealing element provides positive long-life seal
  • Strong, simple construction- only five major parts, which simplifies maintenance.
  • Simple hydraulic system; only two hydraulic connections are needed.
  • Wear rings on moving parts prevent metal-to-metal contact, prolonging preventer life.
  • Suitable for H2S service. Standard models are suitable for internal H2S service, and simple bolt and lifting shackle changes convert them for external H2S service.
  • Servicing is easy. Element can be changed without getting mud or grit into the hydraulic system.
  • Steel segments reinforce sealing element design provides long stripping life.
  • Click to View Details of Annular BOP

    Ram BOP

    U-Style Ram BOP

    Description The U-Style BOP is the most widely used ram-type BOP in the world for land, platform and subsea applications worldwide and offers the widest range of sizes of any Cameron ram-type BOP. Like all other Fountain Petro LLC preventers, the rams in the U-Style BOP are pressure-energized. Wellbore pressure acts on the rams to increase the sealing force and maintain the seal in case of hydraulic pressure loss. Seal integrity is actually improved by increased well bore pressure. Other features of the U BOP include: Feature/Benefits
  • Easy installation and maintenance, little replacement parts
  • Choice of manual and hydraulic locking devices
  • Quick ram change-out designed
  • Bonnets are opened and closed by hydraulic pressure
  • Uniquely secondary ram shaft seals designed. Ram shaft packing protects operating mechanism from wellbore pressure and contamination by wellbore fluid
  • All major components parts are forged for uniform strength, impact resistance and freedom form defects
  • Upper & Lower connections and side outlets per customer requirements
  • Available with pipe rams, bland rams, variable rams and shearing rams
  • Click to View Details of U Type BOP

    S-Style Ram BOP

    Description The S-Style BOP is the most widely used ram-type BOP in the world for land, platform and subsea applications worldwide and offers the widest range of sizes of any Cameron ram-type BOP. Like all other Fountain Petro LLC preventers, the rams in the U-Style BOP are pressure-energized. Wellbore pressure acts on the rams to increase the sealing force and maintain the seal in case of hydraulic pressure loss. Seal integrity is actually improved by increased well bore pressure. Other features of the U BOP include: Feature/Benefits
  • Field-replacement bonnet cylinders, seals and pistons
  • Uniquely secondary ram shaft seals designed. Ram shaft packing protects operating mechanism from wellbore pressure and contamination by wellbore fluid
  • Uniquely designed permits either manual or hydraulic operation
  • Flat and swing-open doors simplify ram changes .Hydraulic passages are built into the hinges, so doors can be opened without draining fluid or breaking hydraulic connections
  • Automatic pipe strings alignment. As rams close, guides on the ram blocks automatically center the pipe string in the wellbore ,even if the string is hanging off center
  • Uniquely designed seal element for longer service life .Ram rubbers have a long life in routine drilling operations and in stripping operations and in stripping
  • ALL major artesian parts are adopted high quality alloys to keep safe and dependable
  • Upper & Lower connections and side outlets per customer requirements
  • Available with pipe rams, bland rams, variable rams and shearing rams
  • Click to View Details of S type BOP