油气田采油气废水外排原因分析

ANALYSIS OF THE REASON OF PRODUCED WASTE WATER DRAINING OFF IN OIL AND GAS FIELD

我国油气田的采油（气）废水绝大部分经处理后用于油田注水，但由于种种原因，还有一部分采油（气）废水不能回注。这部分水外排至环境中，对环境产生一定的影响。本文分析了这部分水外排的主要原因，并由此提出我国油气田在采油（气）废水处理方面急待解决的几个问题。

Most produced waste water in the oil fields in our country is used in waterflooding,but a part of it cannot be reinjected.This part of water is drained into the environment and has a bad influence.This paper analyzes some main reasons of water draining,and proposes some problems of waste water treatment.