FIELD: oil and gas production.
SUBSTANCE: solid foaming agent containing, wt %: carboxymethylcellulose 15-25, sodium sec-alkyl sulfate 5-15 and sodium sulfonate 25-35 (both anionic surfactants), additionally contains: sodium silicate 3-7, sodium carbonate 2-4, disodium ethylenediaminetetraacetate as complexone 1-3, and foaming-enhancing detergent - the rest.
EFFECT: increased efficiency in carrying over formation fluid from bottom of gas and gas condensate wells.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| SOLID FOAMING AGENT FOR CARRYING OVER FORMATION FLUID FROM WELL | 2003 |
|
RU2247138C2 |
| SOLID FOAMING AGENT FOR REMOVING OF LIQUID OF GAS AND GAS CONDENSATE WELLS | 1994 |
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