Introduction
 
The Zarzaitine oil field has been producing since 1960. Sinopec signed an Enhanced Oil Recovery (EOR) contract with Sonatrach to redevelop the field in October 2002 and planned to increase the recovery factor from 40% to 50%.

Company behavior

HBP won the bid for the oil and gas processing equipment (including 8 production separator skids, 4 metering separator skids and 8 metering tank skids) for four metering oil transfer stations of Zhaerze oilfield in 2005. HBP won the bid for the project of Zhaerze oilfield again (including 6 horizontal three-phase separators, 3 vertical three-phase separators and 6 sets of vertical gas water two-phase separators) in 2007. HBP won the bid for phase II engineering construction project of Zhaerze oilfield early in 2008 and designed and manufactured 6 production separators, 3 metering separators, 6 gas-water separators and 6 metering tanks to Zhaerze oilfield. HBP completed the manufacturing of the equipment highly efficiently at the end of 2008. After being put into production, the equipment runs well. Algeria high pressure testing separator project includes totally two sets of truck-mounted vertical high pressure testing separators provided by HBP to Algeria ENSP Company. The designed pressure of the separator is 2175PSI. The separator was successfully put into production in 2011. Various indexes of the separator conform to the requirements of the design. The separator has been recognized and accepted by the Owner.