| 摘要 |
<p>The invention relates to a foaming product used for removing water from hydrocarbon producing wells. According to the invention, the product comprises 15...25% an anionic tensioactive component of the sodium, potassium or ammonium alkyl-aryl-sulphonate type, sodium, potassium or ammonium alkyl-ether sulphate, sodium, potassium or ammonium (di) alkyl-mono(di) ester sulphosuccinate, 10...20% non-ionic tensioactive component of alkyl-dimethyl-aminoxid-type, 5...15 % polyethoxylated fatty alcohols, 15...30% water, 8...12% ethylene glycol or propylene glycol, or polyethylene glycol or polypropylene glycol, respectively, and a lower alcohol, and 6...8% sodium, potassium or ammonium chloride, the percentage being expressed by mass.</p> |
