CPTEC
涓浗鐭虫补

  • overview
  • case studies

CNPC Service has developed various pre-liquid and cement slurry system, cement additives and downhole tools to meet the demands of cementing operation in different bottom hole conditions, related cement additives include salt-resistant dewatering agent, salt-resistant latex, large temperature difference retarder and etc., cement slurries are foam cement, cement for deep water and high temperature well, low density & high strength cement, self-healing cement, elastic cement and so on, devloped cementing tools include full gauge liner hanger, hydraulically and automaticaly opening hanger, self-diameter hydraulic stage collar, partial double-layer casing tool for salt layer cementing.CNPC Service is competent of providing cementing services for deep and ultra-deep wells,horizontal wells, natural gas wells, acidic gas reservoirs, geothermal wells,gas storage plants in different downhole conditions.