Downhole Service

Maximum liquid volumes of single shale gas wells: 5.97×104m³
Maximum liquid volumes of shale gas well factory operation: 21.3×104m³
Maximum volumes of shale gas fracturing flows: 20m³/min
Maximum fractured stages of single shale gas wells: 29 stages
Maximum pump pressure of acid fracturing operation: 135.2MPa
Maximum depth of acid fracturing wells: 7348.60-8169.27m
Maximum temperature of formation testing: 198.1℃
Maximum well depth of formation testing : 8366m
Maximum pressure of formation testing well bottoms: 212MPa
Maximum content of H2S of surface testing: 41×104ppm
Maximum volumes of drag-free gas testing flows: 966.89×104m³/d
Maximum depth of major workover opeartion: 7686m
Maximum depth of shale gas coiled tubing perforation: 5936m
Maximum plugs of coiled tubing drilling & milling in single trip: 20
Maximum length of coiled tubing flow rate profiles of horizontal well testing 2000m