Workover Services

Petreven has equipped its fleet with innovative automatic hydraulic drilling rigs that have proven their capabilities under a wide range of climatic conditions, from the Desert of Perù to the 4600 m.s.l. in the Chilean Andes. Our customers can choose from a range of drilling rigs, including HH300, HH220, HH102. These modern drilling rigs perform at the highest technological level while fully meeting all safety and environmental requirements. The rigs are constructed and manufactured in compliance with the API standard and the most recent legislation. All rigs are fully automatic and joystick-controlled. Petreven has a long-standing tradition in offering a range of workover operations. Over the past 5 years, the company performed more than 250 workovers and well completions for different companies in South America. Petreven performs standard workovers of production wells, such as replacement of down-hole pumps, rinsing of sand plugs across perforations, removal of scale or wax deposits, special completions (installation of rotary down-hole pumps, down-hole pressure gauges and bridge plugs), repairs of disposal wells and cementation operations, but also general workovers, like isolation of produced horizons, development of new and high-pressure horizons, well stimulation via acid treatment and hydraulic fracturing, special completions (packer assemblies, subsurface safety valves, etc.), well performance testing. Finally, it performs completion of underground injection-withdrawal wells, including casing, milling, under-reaming, gravel packing and final completion of the well with gas-tight tubing and packer assembly outfitted with a subsurface safety valve.