前言在我国进行四个现代化的历史化时期中,石油工业在稳步发展着,其中石油钻井起着“火车头”的作用。为完成这一任务,石油钻井业必须尽快使本身现代化。工业现代化的标志中很重要的一个方面就是仪表化、自动化、计算机化的程度。现代航天、航空、航海、陆路等交通工具固然拥有现代化仪表,大型冶金、机电、化工企 Preface During the historical period of four modernizations in our country, the oil industry is developing steadily. Among them, oil drilling plays the role of a “locomotive”. To accomplish this task, the oil drilling industry must modernize itself as soon as possible. A very important aspect of the symbol of industrial modernization is the degree of instrumentation, automation and computerization. Modern aerospace, aviation, navigation, land transport and other vehicles, of course, have modern instruments, large metallurgical, mechanical and electrical, chemical enterprises