中国油气勘探测井技术的更新换代

测井是一种井下油气勘探方法，用于发现油气藏，为评估油气储量及产量提供科学依据。中国应用测井技术勘探石油与天然气始于１９３９年。６１年来，中国油气勘探测井技术经历了５次更新换代，第一代－半自动测井技术；第二代－全自动测井技术，第三代－数字测井技术，第四代－数控测井技术；第五代－成像测井技术，这些测井技术对提高油气勘探效益发挥了重要作用。

Advances of Well Logging Technology in China

Well logging is a downhole hydrocarbon exploration method, which is used to discover reservoir and to provide scientific basis for the estimation of reserve and production of a reservoir.It was in 1939 that logging technology began to be used in the exploration of oil and gas in China. In 61 years from then on,logging technology in China has experienced five stages of renewals.The first stage was semi automatic logging technology,the second automatic logging technology,the third digital logging technology,the fourth computer controlled logging technology,and the fifth imaging logging technology.Advances of these technologies have played a very important role in improving the efficiency and profit of hydrocarbon exploration.