Access multiple NOV applications and services with one login.
Register here Sign in
Access multiple NOV applications and services with one login.
Register here Sign inSubsea Actuator
EI blowout preventers are well control components used during a subsea well intervention.
-
Description
-
Specifications
-
Resources
The EI Series is an integral component of the lower-wellhead riser package, featuring a single-line hydraulic system and an automatic, wedge-type autolock actuator system.
There are two sets of rams: blind shear rams and grip seal rams. A blind shear ram will cut the coiled tubing and/or wireline and form a blind seal. Grip seal rams will grab, hold, and seal around the coiled tubing. The autolock system secures the rams in the closed position in the event of a hydraulic failure or an emergency situation that requires disconnecting from the subsea wellhead.
Each EI blowout preventer (BOP) is built to your specific design requirements, which can include a dual-bore valve block with a combination of blind shear and grip seal ram assemblies. The combi rams offer increased functionality and the ability to use a wide range of coiled tubing and wireline sizes in a field-proven, compact design.
All pressure ratings and service applications are available, including certification for use in the North Sea.
Features/Benefits
- SSR or GSR configuration for coiled tubing or wireline operations
- 3,000- or 5,000-psi hydraulic-operating pressure
- Single-circuit design
- Metal-to-metal bonnet gaskets
- Hydraulic wedgelock
- Ram and wedgelock position indicators
- SIL 3 certified
Subsea Actuator Specifications
| Bore | Working pressure | Tubing range |
| 3.06 in. | 10,000 psi | 1 to 1.75 in. |
| 4.06 in. | 10,000 psi | 1 to 2.37 in. |
| 5.12 in. | 10,000 psi | 1 to 2.87 in. |
| 5.12 in. | 15,000 psi | 1 to 2.87 in. |
| 6.38 in. | 10,000 psi | 1 to 3.50 in. |
| 7.06 in. | 10,000 psi | 1 to 3.50 in. |
| 7.06 in. | 15,000 psi | 1 to 3.50 in. |
| 7.38 in. | 10,000 psi | 1 to 3.50 in. |
Product Service Bulletins
Contact us for our latest product service bulletins to stay up to date on equipment updates.