Heavy oil thermal recovery chemical synergist and preparation method of same
A technology of heavy oil thermal recovery and synergist, which is applied in the direction of chemical instruments and methods, drilling compositions, etc., can solve the problem of large steam consumption, achieve the expansion of steam sweeping volume, significant application effect, and simple construction technology Effect
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[0015] The weight % ratio of its each component content of chemical synergist 1-5 each embodiment component of the present invention is as following table:
[0016] group Addition amount of small cationic quaternary ammonium salt Surfactant alkali water 1# 10 5 1 84 2# 20 10 2 68 3# 30 15 3 52 4# 35 20 4 41 5# 40 25 5 30
[0017] The present invention uses ammonium chloride, sodium hydroxide, sodium carbonate to adopt commercially available products, and its industrial grade purity is above 95%. The small cationic quaternary ammonium salt used in the present invention can be ammonium chloride, trimethyl allyl ammonium chloride and dimethyl diallyl ammonium chloride, preferably ammonium chloride. Surfactants can be petroleum sulfonates, alkali lignosulfonates, fluorocarbons, naphthenic acids, preferably petroleum sulfonates; OP-4 or OP-10 and petroleum sulfonic acid can be used Salt compound. The alkali can be sodiu...
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