FIELD: oil and gas industry.
SUBSTANCE: invention relates to drilling oil and gas wells, in particular to lubricating additives to drilling flushing fluids, water-based. Lubricant reagent for wash solutions contains, wt. %: polyglycols 10–20; flotation reagent oxal 10–20; crude tall oil 33–56; neutralizing agent – 50 % aqueous solution of potassium hydroxide 3–6; chlorinated paraffins ChP-470A 10–20; neonol AF-9-12 2–4.
EFFECT: reduction of friction coefficient and wear rate in metal-metal pair, reduction of specific adhesion force in metal-filter cake pair.
1 cl, 3 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| LUBRICATING ADDITIVE FOR DRILLING MUD | 2014 |
|
RU2554972C1 |
| LUBRICANT ADDITIVE FOR WATER-BASED DRILLING FLUIDS | 2020 |
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|
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|
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| LUBRICANT ADDITIVE FOR DRILLING MUD | 2018 |
|
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| LUBRICATING ADDITIVE FOR WATER-BASED DRILLING FLUIDS | 2004 |
|
RU2269562C1 |
