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美国勘探地球物理学家协会代表团一行十一人,代表美国七家石油公司和四家地球物理服务公司,于1979年9月5日至27日访问了中华人民共和国。根据互访安排,中华人民共和国地球物理学家组成同等人数的代表团于1979年11月1日至20日访问美国。美国代表团在华期间,访问了设在北京的中国科学院地球物理研究所和地质部的地质勘探仪器厂,在北京以南60公里处的涿县访问了电子计算机中心和地球物理研究院,访问了黄河入海处的胜利油田,在上海访问了地质勘探公司的海洋分公司,在成都访问了中国石油公司的西南分公司,在广州访问了中国石油公司的广州办事处。代表团访问上述单位(除北京的仪器厂外)时,均宣读了事先拟就的技术论文。在计算中心和胜利油田参观了数字处理计算机系统(系中国、法国和美国制造),参观了胜利油田和地球化学实验室。在距重庆不远的地方,访问了一个地震队,给代表团留下了深刻的印象。一般情况下,每当代表团团员宣读完技术论文之后,都分组进行讨论。通常是由中华人民共和国的地球物理学家介绍探区的工作进展情况以及存在的问题,然后由代表团团员尽力给以解答,对现存的疑难问题探讨性地提出解决方案。讨论的范围相当广泛,涉及到地震资料的采集、处理和解释的各个方面。大家最感兴趣的课题包括:(1)岩性的确定;(2)礁块勘探;(3)地表条件复杂地区的勘探作业;(4)反褶积;(5)模型与偏移;(6)静校正。代表团发现,中华人民共和国的地球物理学家熟悉最新的资料采集技术和处理技术,但是由于缺乏最新的野外设备和资料处理系统,尚不能有效地加以运用。
A delegation of 11 members of the American Association of Exploration Geophysicists, representing seven oil companies in the United States and four geophysical service companies, visited the People’s Republic of China from September 5 to 27, 1979. According to the arrangements for the exchange of visits, a delegation of geophysicists of the People’s Republic of China with an equal number of people visited the United States from November 1 to November 1979. During his visit to China, the U.S. delegation visited the Geological Prospecting Instrument Factory of the Institute of Geophysics and Geology of the Chinese Academy of Sciences in Beijing and visited the Computer Center and Institute of Geophysics at Juxian County, 60 kilometers south of Beijing. The Shengli Oilfield, where the Yellow River entered the sea, visited the oceanographic division of the geological exploration company in Shanghai, visited the southwest branch of PetroChina in Chengdu and visited the Guangzhou office of PetroChina in Guangzhou. When the delegation visited the above units (except the instrument factory in Beijing), the pre-proposed technical papers were read out. Visited Computing Center and Shengli Oilfield with digital processing computer systems (made in China, France and the United States) and visited Shengli Oilfield and Geochemistry Laboratory. In a place not far from Chongqing, an earthquake team was visited, impressing the delegation deeply. Under normal circumstances, each time a delegation members read out the technical papers, are grouped for discussion. Geophysicists of the People’s Republic of China usually introduce the work progress of the exploration area and the existing problems. Afterwards, the delegation members try their best to solve the problems and explore the solutions to the existing difficult problems. The scope of the discussion is quite broad and covers all aspects of the collection, processing and interpretation of seismic data. Topics that interest us most are: (1) lithology identification; (2) reef exploration; (3) exploration operations in areas with complex surface conditions; (4) deconvolution; (5) models and offsets; 6) Static correction. The delegation found that geophysicists in the People’s Republic of China are familiar with the latest data acquisition techniques and processing techniques, but they can not yet be effectively used because of the lack of the latest field equipment and data processing systems.