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The Bohai Sea has become one of the important bases for offshore oil and gas development in my country. The Bohai Oilfield accounts for about 70% of the total offshore oilfield production and is the largest offshore oilfield in my…
Petroleum, as the lifeblood of industry, is hailed as “black gold” and plays a vital role in national and social development. With the continuous progress and development of China’s economy and society, the demand for crude oil is constantly rising.…
Technical Field This invention pertains to oilfield chemicals, and in particular relates to a method for preparing a fatty amine polyester ether surfactant and its composite ionic oil displacement agent. Background Technology Ternary composite flooding systems ( polymer + surfactant…
In the mid-to-late stages of oilfield development, reservoir blockage has become one of the core issues restricting production capacity. Whether in conventional sandstone reservoirs or unconventional tight reservoirs, during long-term water injection development, fracturing, or production operations, factors such as…