Side view of Hydra Rig Nitrogen Pumping Quad BOP Unit

Nitrogen Pumping Quad BOP Unit

Our new, innovative combination unit pairs a Hydra Rig 180,000 heat-recovery nitrogen-pumping unit with a Texas Oil Tools quad blowout preventer (BOP) unit into a convenient, single-combination trailer design.

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This non-fired unit uses an 800-hp diesel engine with pumping rates up to 180,000 SCFH and pressure up to 10,000 psi. The nitrogen system includes our NP-200 Triplex pump, cold ends, and boost pump. The Hydra Rig water-bath vaporizer heats the liquid nitrogen for vaporization. The Texas Oil Tools™ BOP unit is a quad BOP design that seals off BOP boar, shears tubing, strips tubing, and seals around tubing. The trailer also boasts a climate-controlled cabin for operator comfort and convenience.


Nitrogen Pumping Quad BOP Unit


Cold End Diameter

Maximum Flow

Maximum Pressure


1.250 in. (31.75 mm)

90,000 SCFM (2.548 m3/hr)

15,000 psi (103 MPa)


1.625 in. (41.275 mm)

180,000 SCFM (5.097 m3/hr)

10,000 psi (69 MPa)

  • Hydra Rig Quad BOP/Nitrogen Pumping Combination Unit Data Sheet

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