A detailed description is given of the problems in the channels for oiling of common oil systems in the large sets of ammonia units and the cleaning method and procedure.
详细介绍了合成氨装置大机组公用油系统油路存在的问题、清洗方法、步骤。
The invention discloses a water shutoff agent for oil extraction, which is prepared by mixing epoxy resins, polyethylene ammonia, calcium lignosulphonate, calcium chloride and water.
本发明公开了一种采油用堵水剂，由环氧树脂、聚乙烯聚氨、木质素磺酸钙、氯化钙、水混合组成。
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