Doyle's Production Service, LLC is a custom fabrication shop for oilfield equipment. Our team is ready to manufacture, refurbish or repair your next vessel or equipment. We can build too many specifications with all of our work done to ASME certification standards. We specialize in building well test equipment up to 2000 W.P. We also have a patent on Sand Separators up to 36" and 10' in length with 6k, 10K, and 15K W.P. No matter if you need a simple vessel repaired or a complex 4-phase 2000 W.P. Separator, our team is ready to build it to your specifications. Our products include: sand separators, line heaters, test units, production separators, dehydration units, surge tanks, custom trailers, water knockouts, and heat treaters.