Rock Hill Capital Group has acquired a majority stake in JP Hydro LLC, a safety service provider for the oil and gas industry.

Terms of the deal remain undisclosed. The transaction was completed as part of a recapitalization in which Comerica Bank provided the debt financing.

Headquartered in The Woodlands, Texas, JP Hydro – which does business as JP Services –specializes in industrial integrity testing services to help ensure the reliability of pipelines to prevent leaks.

JP Hydro operates mainly along the Gulf Coast and throughout Texas. The company was advised by law firm Winston & Strawn.

"We’ve been looking for a midstream services platform and management team to invest in for the past few years," says Jeffery Christman, managing director of Rock Hill, in a statement.

The deal comes as M&A ramps up among service providers in the energy sector, where pipelines require continuing renovation.  See Pipeline Protectors.

For more, see Private Equity will Drive More Fracking Deals, one of our 15 Trends to Track in 2015.