标准石油和其它公司拥有完成任务的每个生产水平-钻井，精炼，运输和销售。
Standard Oil and other companies that it owned performed every level of production — from drilling to refining to transporting and selling.
实验结果表明，经预处理和生物法联合联合处理后的钻井废水可达到国家污水综合排放一级标准。
The experiment result expresses, after pretreatment and biological method, drilling sewage can attain a class standard of national waste synthetical discharge.
数据网由中心站（钻井公司）采用轮询方式控制，使用标准的数据链路控制规程，和CRC-16校验方式。
Standard data chain and CRC-16 check mode are used in inquiry control by the central station at the drilling company.
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