Highly effective pour depressant for thermodynamic oil extraction process

Highly effective pour depressant for thermodynamic oil extraction process

  • CN 101,210,173 B
  • Filed: 12/28/2006
  • Issued: 04/24/2013
  • Est. Priority Date: 12/28/2006
  • Status: Active Grant
First Claim
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1. highly effective pour depressant that is used for thermodynamic oil extraction process, it is characterized in that:

  • it is comprised of the raw material of following weight per-cent;

    1) mixture 20~

    40% a kind of or that two or more arbitrary proportion is mixed between them of the condensed ring aromatic hydrocarbon derivative of biphenyl, condensed ring aromatic hydrocarbon or not chloride element, element sulphur;

    2) aromaticity content surpasses under 5% liquid petroleum product, the normal temperature for being the mixture 40~

    78.3% a kind of or that two or more arbitrary proportion is mixed between them in the hydro carbons nature aggregate of graininess under liquid petroleum resin or the normal temperature;

    3) mixture 0.1~

    2% a kind of or that two or more arbitrary proportion is mixed between them of water soluble anionic surfactant, water soluble nonionic surfactant, oil soluble anion surfactant or oil soluble nonionogenic tenside;

    4) potato spirit 0.1~

    2%;

    5) close flash point is greater than the mixture 0.5~

    6% a kind of or that two or more arbitrary proportion is mixed between them of 20 ℃

    alcohol ether;

    6) on main chain and/or side chain, have respectively and the nonpolar part of paraffin molecule eutectic and make the mixture 1~

    10% a kind of or that two or more arbitrary proportion is mixed between them of oily molten or water-soluble polymers of the polar portion of wax Jingjing type distortion.

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