Crude Oil Pour Point Depressant is a specialized additive used in the oil and gas industry to address the challenges associated with the pour point of crude oil. The pour point is the lowest temperature at which crude oil can flow. If the pour point is too high, the oil can become too viscous or even solidify, leading to blockages in pipelines and difficulty in pumping the oil. This additive is crucial for improving the flowability of crude oil, especially in cold environments, facilitating the transportation and storage of crude oil.

How It Works:

1. Polymerization Process:
   The Crude Oil Pour Point Depressant is produced using high-pressure multiple polymerization in the ethylene-vinyl acetate system. This polymerization creates a chemical structure that interacts with paraffin wax crystals in the crude oil.

2. Modification of Wax Crystals:
   The additive forms eutectic adsorption with the paraffin wax in crude oil. This prevents the growth of large wax crystals that can form blockages in pipelines and other equipment. The result is a reduction in the pour point and the viscosity of the crude oil.

3. Improvement of Low-Temperature Fluidity:
   By adding this depressant, the low-temperature fluidity of the crude oil is improved, which enables the oil to remain in a flowable state even at lower temperatures. The crude oil behaves like a Newtonian fluid, making it easier to pump and transport.

4. Temperature and Viscosity Reduction:
   The use of Crude Oil Pour Point Depressant can reduce the pour point of crude oil by 10-20°C and the freezing point by 5-10°C. It also significantly reduces yield stress and low-temperature apparent viscosity by more than 80%.

Benefits:

1. Improved Flowability:
   The pour point depressant ensures that crude oil flows easily even at lower temperatures, preventing solidification and maintaining a steady flow in pipelines and storage tanks.

2. Reduced Risk of Blockages:
   By modifying the wax crystal structure, it helps to reduce the chances of blockages in pipelines, which can cause operational delays and increase maintenance costs.

3. Enhanced Pumping Efficiency:
   With reduced viscosity, the crude oil becomes easier to pump, leading to improved operational efficiency and reduced energy consumption during transportation.

4. Wide Application in Waxy Crude Oils:
   This depressant has proven to be effective in modifying a variety of waxy crude oils, particularly in China, making it suitable for various types of crude oil with high wax content.

5. Normal Temperature Gathering and Transportation:
   The depressant allows crude oil to be gathered and transported at normal temperatures, reducing the need for additional heating or expensive techniques to maintain fluidity in cold climates.

Application and Dosage:

• Dosage: The depressant is generally added at a low concentration, typically between 0.1% and 0.5% by volume of the crude oil.

• Testing and Mixing: It is important to test the depressant with the specific crude oil being used, as the effectiveness depends on the type of oil and the presence of waxes. It should be added during the production or refining process, or it can be mixed on-site before transportation.