FIELD: oil and gas industry.
SUBSTANCE: lubricating additive consists of higher fatty acids of natural vegetable oils, polyethyleneglycol ether of monoizononylphenol with 6-12 monomer links in radical and additionally of flotation reagent - oxal and composite silicon de-foaming agent at following ratio of components, wt %: higher fatty acids of natural vegetable oils 70-80, flotation reagent - oxal 10-15, polyethyleneglycol ether of monoizononylphenol with 6-12 monomer links in radical 9-12, composite silicon de-foaming agent 1-3.
EFFECT: upgraded lubricating properties of drilling agent, elimination of complications caused by foaming, improved process characteristics of treated solution due to total absence of foaming and achieving low values of inter-phase tension of filtrate of drilling agent at boundary with paraffinic oil.
2 tbl, 5 ex
| Title | Year | Author | Number |
|---|---|---|---|
| LUBRICATING ADDITIVE FOR DRILLING FLUIDS | 1999 |
|
RU2148608C1 |
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|
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|
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| METHOD OF PROCESSING DRILLING FLUID | 2009 |
|
RU2391376C1 |
