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Hydra’s services and capabilities include:

Hydra delivers comprehensive IRM solutions designed to extend the life of subsea infrastructure and reduce operational risk. Our experienced ROV crews perform visual inspections, NDT (non-destructive testing), and mechanical repairs with precision and speed. We tailor each campaign to client needs, whether it’s a routine integrity check or an urgent subsea intervention. With a strong safety culture and a proactive approach, we help ensure your assets remain compliant and operational.

From concept to close-out, Hydra provides integrated project management and engineering support for complex offshore campaigns. Our cross-functional teams develop detailed execution plans, risk assessments, and technical procedures to align with client objectives. We coordinate all phases of subsea operations, including logistics, vendor oversight, and regulatory compliance, to keep projects on time and within budget. With a deep bench of experience, we bring confidence and clarity to every project.

Hydra offers high-resolution seabed mapping, route surveys, and as-built verification using industry-leading positioning and sonar systems. Our survey specialists deliver the data you need to make informed decisions for construction, tie-ins, or field development. Whether you’re confirming pipeline alignment or evaluating seabed conditions, our real-time data capture and interpretation supports safe and efficient operations. We offer survey as a standalone service or fully integrated with our ROV and project teams.


We support marine seismic projects with precise deployment and retrieval of ocean bottom nodes, ensuring optimal coverage and data quality. Using dynamically positioned vessels and custom lifting tools, Hydra executes node operations efficiently in deep and shallow water environments. Our procedures are refined to reduce cycle time, mitigate damage, and minimize environmental impact. With a commitment to operational excellence, we’re a reliable partner in geophysical acquisition campaigns.

Hydra offers safe, compliant, and efficient decommissioning services for aging subsea infrastructure. From cutting and recovery of pipelines and structures to plug and abandonment support, we manage each phase with an eye on regulatory standards and environmental stewardship. Our ROVs and custom tooling systems are designed to perform complex tasks in challenging subsea environments. We work closely with our clients to develop decommissioning plans that reduce cost, risk, and impact.

We enhance the safety, productivity, and efficiency of dive operations by providing integrated support services above and below the waterline. Hydra works closely with dive contractors to deliver tooling, ROV monitoring, and topside coordination that improves diver effectiveness and minimizes downtime. Our crews understand the unique demands surface diving, and we tailor our support accordingly. This collaborative approach creates safer worksites and better project outcomes.

Hydra provides critical support for open water coiled tubing operations, enabling chemical injection and scale removal without the need for a riser. Our ROV teams handle coiled tubing tool deployment and monitoring with precision, ensuring accurate placement and safe operation in challenging subsea conditions. We coordinate closely with service companies to streamline setup, execution, and retrieval.

Our team specializes in flowline remediation solutions that restore the integrity and function of subsea pipelines. We tackle common challenges such as free spans, buckling, protective cover loss, and mechanical damage using ROV-deployed tools and engineered solutions. Hydra works quickly to mitigate risk and extend pipeline service life. Every project is backed by pre-job planning, precise execution, and detailed reporting.

Hydra supports pre-commissioning, preservation, and decommissioning efforts through efficient subsea flowline flushing. We execute hydraulic and chemical flushing programs that meet cleanliness specifications and operational readiness standards. Our ROV crews deploy flushing packages and monitor performance in real time, ensuring thorough displacement and effective circulation. Whether you’re preparing a new asset for startup or preserving an idle one, Hydra helps maintain pipeline integrity and flow assurance.

Hydra provides responsive hydrate remediation services to restore flow and prevent costly shutdowns in deepwater flowlines. Using ROV-deployed injection systems, thermal blankets, or localized heating tools, we target hydrate blockages with speed and precision. Our teams are trained to act quickly and in coordination with flow assurance experts to select the right mitigation strategy. With experience across a range of subsea production systems, we help clients minimize downtime and protect equipment.

Hydra delivers tailored pre-commissioning services to validate subsea infrastructure before it enters service. From pressure testing and valve cycling to system flushing and electrical verification, we ensure each component performs to spec under real-world conditions. Our integrated ROV and topside crews execute efficiently, minimizing delays between construction and first production. With a focus on safety, traceability, and readiness, we help clients move confidently into operational phases.

Hydra supports critical subsea completion activities with experienced crews, responsive mobilization, and precision ROV services. We assist with the installation and testing of wellhead equipment, subsea trees, control modules, and associated hardware. Our team understands the pace and coordination required during completion campaigns and brings the expertise to keep operations running smoothly. Whether standalone or as part of a larger scope, we deliver the control and reliability your well deserves.

We provide ongoing support for producing fields, ensuring subsea systems remain efficient, safe, and responsive to operational demands. Hydra assists with valve operations, equipment change-outs, pigging support, and routine inspections across the field’s lifecycle. Our flexible crews integrate seamlessly with client teams and deliver rapid mobilization to meet changing field requirements. When uptime and asset integrity matter most, Hydra brings the tools and talent to keep things flowing.

Hydra installs electrical, hydraulic, and fiber optic flying leads with precision and efficiency. Our ROV teams use specialized handling frames and connection tooling to safely route and secure leads between subsea equipment. Each installation is backed by thorough planning, tension management, and final testing to ensure system integrity. We’ve supported lead installations across a range of water depths and field configurations, bringing confidence to every tie-in.

Hydra executes small-diameter umbilical installations to support subsea control and chemical injection systems. Using dynamic positioning and custom lay equipment, we ensure accurate placement and protection of critical control lines. Our procedures are optimized for both standalone umbilical projects and integrated scopes involving other subsea hardware. Whether it’s 100 feet or 1,000 meters, we deliver clean, controlled, and confident installations.

Hydra performs subsea pipeline repairs with speed, safety, and technical precision. Whether addressing leaks, mechanical damage, or tie-in points, we deploy ROVs and custom tooling to execute repairs in place, often without the need for recovery. Services include clamp installations, hot tapping, coating remediation, and structural reinforcements. Every job is supported by engineered procedures, risk assessments, and close coordination with client integrity teams.

Our UWILD (Underwater Inspection in Lieu of Drydocking) services allow operators to fulfill class inspection requirements without taking their vessel offline. Hydra uses ROVs to conduct detailed hull surveys, thruster inspections, and other critical checks under the guidance of classification societies. We deliver high-definition video, NDT, and comprehensive reporting that meets regulatory and compliance standards. It’s a safer, faster, and more cost-effective alternative to traditional drydocking.

Where We Excel

Headquartered in Houston, TX, Hydra’s team of industry experts excels in:

  • Project Management and Engineering
  • Procedural Development
  • Project Execution

Our Capabilities

Hydra owns and operates four vessels, all equipped with comprehensive survey capabilities and Hydra-owned Schilling ROVs. Based at our 23-acre, full-service waterfront shipyard in Port Arthur, TX, we offer a fully integrated project team that minimizes customer risk and maximizes results.

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Complete Dock Services

Complete dock services are available at our Port Arthur shipyard for select projects.

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