报道了油田勘探开发作业工人噪声暴露及听力损伤调查结果。运用年等效Ａ声级作为评价不同工作日间歇暴露噪声工人的噪声暴露剂量，显示出油田工人的高频听损发生率和语频听损发生率均与年等效Ａ声级有良好的相关关系。探讨了年等效Ａ声级在噪声危害调查中的应用。 The survey results of noise exposure and hearing impairment of oil field exploration and development workers were reported. The use of annual equivalent A sound level as a noise exposure dose for workers exposed to intermittent exposure on different working days shows that the incidence of high frequency hearing loss and speech hearing loss are all good with the equivalent A level relationship. The application of annual equivalent A sound level in noise hazard investigation is discussed.