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CSU undertakes a wide range of land based projects, here is an example: installing replacement steel piles to support pipelines crossing a gully where the original wooden piles were failing.
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Removed 300-foot section of pipe & recovered to surface, conducted metrology and completed fabrication on replacement spool piece. Installed 300-foot spool complete with check valve and closing spool. Pressure tested the new assembly successfully and installed articulated concrete mats there after the line was returned to service.
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A crack in a line weld on a 22-inch pipe had affected the line's integrity. CSU had to first evacuate an area of marine bottom under the pipe to gain access. The pipe was then cleaned to bare metal and the weld inspected with shearwave ultrasonics which confirmed the defect. Finally the 22-inch pressure repair clamp was installed and the pipeline was re-supported.

Central States Underwater, established in 1975, continues to be the leading provider of inland and offshore diving services to the oil and gas industry. Our company's certification and training processes allow CSU to work in all facets of the commercial diving industry. Specializing in all aspects from inland and offshore pipeline inspections and repairs to land based pipeline digs and offshore rig maintenance and repairs. CSU serves a wide variety of customers in the Gulf Coast Region and operates a 24-7 call-out service for extra convenience.
With nearly four decades of commercial diving experience, CSU's mission is to provide safe, professional and economical commercial diving and land based services. Our goal is to meet customer requirements to the fullest extent and to conduct our business in the most ethical manner. Our state of the art technology, equipment and techniques set us apart from the competition. Please feel free to contact us at (281) 324-9700.