A Texas drilling fluids and well services company is acquiring Robinson Township-based Well Service Group Inc. for $75 million. Newpark Resources Inc., (NYSE: NR) is acquiring all the assets, operations and employees of Well Service Group, founded in 2012. Well Service provides matting systems, site planning and preparation, environmental protection, fluids containment and restoration services to well sites. The combined companies will be able to expand geographically and enter new markets, including...