Ph. 713-481-2543


Subsea Controls

Assembly by Rig-Tech Assembly hands

Subsea Controls

Piping by a Rig-Tech Pipe Fitters

Subsea Controls Equipment


Rig-Tech assists in the manufacturing of subsea drilling equipment by servicing a variety of subsea controls equipment and systems. We are a team of dedicated professionals working to create successful projects for our clients.

We bring value to our industry by providing quality subsea control products and services consistantly., safely and on time. We asssit our clients with their BOP stack projects welding, fabricating, pipe fitting, tubing, assembly and testing.

  •  Subsea PODs
  •  Subsea BOP Stacks
  •  Subsea manifolds
  •  Diverter units
  •  R.O.V.'s
  •  HPU's
  •  Umbillicals
  •  Hose Reels

Our team has helped in the completion of over 100 BOP Stack builds. Our leadership and dominant presence on these projects have enable our clients to catch up on their over 800 million dollar back log and we have been recognized for this achievement.

Rig-Tech Subsea also offers aftermarket service for Onshore Domestic market. Our field service department provides professional quality repairs, installation and maintenance on a variety of pneumatic, hydraulic and electronic control systems and equipment related to subsea drtilling.

Trouble shooting, repair work, or new construction,  you can expect a high level of expertise and professionalism from our service hands.

Rig-Tech, LLC

Reliable Quality Service

Subsea Controls - BOP Stack

Rig-Tech's Instrument fitter, Assemblers, Welders & Pipe Fitters are responsible for completing over 100 successful BOP Stack builds. Our years of experience have enabled us to become a highly valued resource for subsea control projects. When you utilize field service hands from our subsea field service division, you have experienced knowledgable personnel that have the skills to accomplish your project goals safely, ontime and constructed of the highest quality craftsmanship. Rig-Tech Subsea

  •  RAM  BOP
  •  LMRP
  •  Drilling Riser
  •  RAM Preventer
  •  Shear Ram
  •  Blind Ram
  •  Blind Shear Ram

Rig-Tech has assisted in the building of a variety of BOP Stacks including multiple ram configuration, single-, double-, triple- and quad-ram configurations. A typical stack might consist of one to six ram-type preventers and, optionally, one or two annular-type preventers. A typical stack configuration that we build has the ram preventers on the bottom and the annular preventers at the top.


Our team members each have extensive subsea controls experience including thousands of hours working on subsea controls equipment such as BOP Stacks. Our Subsea Controls BOP Stack team consist of Welders, Pipefitters, Mechanical assemblers who work together to fabricate, and assemble the project from start to finish..


Rig-Tech, LLC

Reliable Quality Service



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Make sure you tell your team Transocean is really happy how you guys finished and the quality of work you performed on our stack!! It was recognized and will be remembered when we build our next build!!! Congrats!!!!


Paul B Lloyd Bop Lower Stack is ready for transit!!!!!! LMRP is next on deck!!!!


Tommie Villanueva, Jr.

Subsea Task Force - Subsea Specialist III

Transocean Offshore Deepwater Drilling Inc.

4 Greenway Plaza (77046) 10th Floor

Houston, TX.  77252

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Subsea Controls - LMRP

Lower Marine Riser Package

  • Weight: 390,000 lbs
  • Dimensions: 23' height, 21' width, 21' depth
  • Riser Adapter 18-3/4"
  • Flex Joint 18-3/4"
  • One 18-3/4" 10,000 psi Wedge Cover Shperical BOP's
  • One 18-3/4" 15,000 psi LMRP Connector
  • One Emergency Recovery Tool
  • One 3-1/16" 15,000 psi Dual Blaock Subsea Valves
  • Two 3-1/16" 15,000 psi Single Block Subsea Valves
  • Two 3-1/16" 15,000 psi Flex Loops
  • Two 3-1/16" 15,000 Choke and Kill Stabs
  • ROV Panels

Our team has built a variety of LMRP'S for BOP Stacks including to the specifications listed above. Our instrument technicians integrate these high pressure stainless steel tubing lines for 60 line and 120 line POD's as part of the LMRP. These are just a few examples of the intricate and complex controls our professional team members deal with each day. Each tehnician has extensive subsea controls experience including thousands of hours working on LMRP's and other subsea controls equipment for BOP Stacks.

Subsea Controls

Rig-Tech has a certain genius in our ability to find the right people and build a team that will work effectively together to complete projects successfully. From very simple to highly complex projects, we are extremely passionate about what we do. When we take on a project, we are all involved and we are committed to success. Our team becomes your team.

Rig-Tech, LLC

Reliable Quality Service

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