lime recovery

Studies on the Catalytic Sulfonation of Soda Lignin of Wheat Straw and the Ralative Application in Enhanced Oil Recovery;

麦草碱木素的催化磺化改性及其在石油回收中的应用研究

This may improve oil recovery, particularly from older oil fields.

这可以增加石油的回收率,尤其是从费旧油田回收石油。

THE PURIFICATION AND RECLAIM OF THE CONTAIN-SULFUR WATER IN NO.2 REFINERY

石油二厂含硫污水的净化及回收利用

Increasing the Rate of Sulphur Reclamation and Decreasing the Content of Sulphur in Oil Product;

提高炼油企业硫回收率 降低石油产品的硫含量

MODIFICATION OF OIL AND GAS RECOVERY SYSTEM FOR EXTERNAL-CONTROLLED HYDRAULIC BIG OIL LOADING ARM AT LUOYANG PETROCHEMICAL COMPANY

洛阳石化外液压大鹤管装车油气回收系统改造

These properties are especially important in bioremediation, and enhanced oil recovery (EOR).

这些性质对生物补救和增加石油的回收(EOR)尤其重要。

SWOT analysis of CNPC purchased PK Company;

中石油收购PK石油公司的SWOT分析

dollar earnings of OPEC countries

石油出口国美元收入

retrievable through-tubing perforator

可收回过油管射孔器

Century s Look-back and Prospect on Global Petroleum and Petrochemical Industry;

全球石油石化工业的世纪回顾与展望

net before petroleum revenue tax

缴纳石油收益税前的净收益

Analysis of Relationship between Oil Price and Return Rate on Investment in International Leading Oil Companies;

石油价格与国际大石油公司投资回报规律研究

Specification for selection, inspection and acceptance of pipeline flame arresters for petroleum gas in petrochemical industry

石油化工石油气管道阻火器选用、检验及验收

LPG collect bottles. Retail: oil appliances, and household electrical appliances.

液化石油气收瓶点。零售：石油炉具、用电器。

LPG collect bottles. Retail : oil appliances, and household electrical appliances.

液化石油气收瓶点。零售：石油炉具、家用电器。

China’s Petroleum Tax Reform in View of American Petroleum Tax Policy;

从美国石油税收政策看我国石油税制改革

Residual and waste oils shall be recovered and must not be discharged into the sea.

残油、废油应当予以回收，不准排放入海。

Study on Technology of Oil Recovery from Oily-Sludge of Tank Bottom;

罐底油泥中原油回收的工艺技术研究