The Liaohe oil-field Company is a large state owned enterprise which mainly exploit and process petroleum and nature gas.
辽河油田是以石油、天然气勘探开发为主，油气加工、综合利用、多种经营为辅的国有特大型企业。
They are contact measurement, which must produce a large error caused by the contact measurement, so may affect the exact position of some important parameters in the oil and gas field development.
它们都是接触式测量，不可避免的会产生相当大的接触式测量误差，从而影响油气田开发上一些重要参数的精确定位。
At present, large part of oil field has gone into the medium-latter stage, the pressure of oil-gas well has been lower year after year, pouring and producing contradiction change into intensify.
目前大部分陆上油田已进入中后期开发阶段，油气井压力逐年降低，注采矛盾日益突出。
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