| DO2CS DO2CS, L.C.
78456710 26 Jul 2004 | on 14 Mar 2006 | medical services, namely, hyperbaric oxygen treatment and therapy,medi... Class 044 Class 044 Medical, Beauty & Agricultural Services DO TWO CS | | | L2CS Complete Production Services, Inc
76707771 31 May 2011 | on 20 Dec 2012 | Qilfield services, namely, well completion services, namely, well serv... Class 037 Class 037 Construction and Repair Services Qilfield services, namely, well completion services, namely, well servicing, workover and maintenance services, sidetracking of wells, snubbing, coiled tubing installation and coiled tubing services for wellbore applications, namely, foam washing, acidizing, displacing, gravel packing, plug drilling, and jetting, fishing to remove defective equipment, junk, or debris from a well, and flowback services to remove damaging drilling fluids, completion sands, sand and other debris from the well, production services, namely, pumping of oil and gas, extraction of oil and gas, transport of oil and gas, treatment and storage of oil and gas, drilling services, namely, drilling oil wells, providing drilling equipment and drilling tubulars to others for the drilling of wells, and contracting trained personnel for operating the drilling equipment, stimulation services, namely, providing hydraulic fracturing services to stimulate oil production and renting and operating pressure pumping equipment, downhole tools, drill string and pipe handling equipment, bottom-hole assemblies, and tubular goods for stimulating well production, wellbore preparation, namely, cementing services for oil and gas wells, installing and operating wireline units to evaluate downhole well conditions for production, perforating casing and other downhole tubulars for producing oil and gas from a formation, providing and operating tubing conveyed perforating guns for perforating casing and other downhole tubulars, optimization services, namely, optimizing production of the oil and gas to extend the lifespan and output of the well and providing slicklineservices to obtain pressure and temperature measurements, perform installations, and perform maintenance services, rig logistics services, namely, evaluating and reporting drilling costs, production rates, and downhole well conditions for production, and providing related oil drilling, pumping, and extraction services Class 042 Class 042 Computer & Software Services & Scientific Services Oil and gas well testing, namely, pressure testing | | 
