Pressure Control Equipment | Surface | Schlumberger


Systems to maximize rig safety and efficiency

Best-in-class equipment for jackup drilling rigs and platforms to maximize rig safety, efficiency, and reliability and to minimize NPT.

Photo of 20K EVO BOP in the field

Annular BOPs

Choose from a variety of field-proven designs to fit your desired drilling application.


Annular BOP

Close on drillpipe or large tubulars without reducing operating pressure.


Annular BOP

Seal on any size pipe or no pipe, as with openhole operations.


Short-body annular BOP

Improve safety in your small-bore, low-pressure land drilling operations.

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Pipe Rams

Form a reliable seal on tubulars.

Pipe Rams

Fixed-size sealing of tubulars

Form one-half of a ram cavity's seal with the packer, top seal, and ram body acting in unison.

Variable-Bore Rams

Variable-bore rams that seal on a wide range of pipe diameters

Enable sealing a standard BOP on several different pipe diameters.

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Shear Rams

Provide dependable isolation or sealing of the wellbore.

Cameron DSI

Dual-string interlocking shear rams

Drilling and production operations that include wireline, braided cable, dual strings, or high-temperature well environments.


Cable double-V shear rams

Increase shear blade width compared with standard version.

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Ram-Type BOPs

Contain wellbore pressure during critical control operations.


Surface ram-type BOP

For land, platform, and subsea applications and the widest range of sizes.


Convertible-bonnet ram-type BOP

Lightweight BOP designed for easy maintenance and long life.


Offshore ram-type BOP

Extend proven high-quality, reliable BOP design expertise to a lighter-weight design.


Compact, offshore ram-type BOP

Combine engineering simplicity, footprint and operational savings, and superior reliability.

25,000-psi Ram-Type BOP

Ultrahigh-pressure BOP

High-pressure completion performance in 25K pressure environments.

Bonnet Assembly Options

Designed specifically for our equipment

Employ more closing force with greater certainty in a smaller footprint.

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Drilling Manifolds and Chokes

Improved pressure and flow control in onshore and offshore applications.

Cement Manifolds

Designed and manufactured to your requirements

Divert flow of cement slurry during cementing operations.

Choke and Kill Manifolds

From noncorrosive to extreme sour oil and gas

Manage well pressure fluctuations encountered during drilling.

Mud Standpipe Manifolds

Full certification to global standards

Bleed pressure, reduce shock, and divert drilling fluid flow.

MPD Manifolds

Customized manifolds

Take precise control of pressure and flow in any operation requiring a choke.


Drilling, subsea, and production

Manage wellbore pressure to maintain control in the event of a gas kick.

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