The main pressure parts of oil well-control products are the most important parts of the complete set of products,for example,the carcase of ram preventer,the carcase and bonnet of annular BOP, etc.

Recycling Actification of the Obsolete Petroleum Products;

Progress in solvent denitrogeneration of petroleum products;

The bromine value of petroleum products was determined by potential titration in mixed solvents of glacial acetic acid,trichloromethane,methanoland sulfuric acid,this method was compared with indicator titration,the experimental results show the method relative standard deviation is smaller.

Determinatiom of suspend mechanical impurity in petroleum product by microwave drying;

In this paper,the carbon redidue of petroleum products determinated by Conradson method and Micro method were discussed.

Most of the standard test methods for determining petroleum products flashing point in the world are discussed, also mentioning the origin and development of flashing point.

The principle and method for determining the total acid number of oil product by voltammetric techniques was described,the results of voltammetric techniques and standard method analysis were compared.

The article analyzes and predicts demand and supply of China s oil products and three major synthetic materials,and puts forward the goals,measures and some suggestions for their structure adjustment.

Determination methods forsulfur content in oil products;

The paper introduces a method to determine sulfur/nitrogen content in oilfield chemicals or oil products by sulfur/nitrogen elemental analyzer.

In 2006, under the background of high international oil price and rapidly growing domestic economy, both export & import amount and price of China’s crude oil and oil products increased and set a new record.