摄像头下面是盲区吗,91超碰在线,中文字幕无码专区人妻一区,久久久噜噜噜久久影院

<wbr id="h80si"><nav id="h80si"></nav></wbr>

    <wbr id="h80si"><ins id="h80si"></ins></wbr>

      <i id="h80si"><form id="h80si"></form></i>
    1. <u id="h80si"></u>

          <ruby id="h80si"></ruby>

            Oil production increase and displacement agent

            2019-06-06

            Product description: Product model: HA1800, which belongs to partially hydrolyzed polyetheramine, with a molecular weight of 1600-20 million and a degree of hydrolysis of about 25%. It is suitable for ordinary oil-displacing agent in low-temperature and low-salinity formation environment. According to the requirements of tertiary oil recovery in the oil field, the polymer can increase the production by 150 tons of crude oil per ton of polymer.


            Jinhong Group: