地下储量 meaning in English

underground storage

As a general artificial lifting extraction mode , mechanical pump well has taken an important role in the world oil extraction for its proven technique , reliable performance and well adaptability , for underground reserves decreasing year - by - year , percent of water increasing year after year , in order to keep high and stable yields , restrict management ways and efficient technical measures must be taken in daqing oil field
机械采油井作为常规的人工举升开采方式，由于其技术成熟便于掌握，工作性能可靠，适应性较强，因而在当今世界各国油田生产中占有举足轻重的地位。在大庆油田，由于地下储量在逐年减少，含水逐渐上升，在这种情况下，要继续保持油田高产稳产，必须采取严格的管理办法和有效的技术手段，确保油田高产稳产。