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 | 
 | RU2744890C1 | 
| COMPLEX ACTION REAGENT FOR WATER-BASED DRILLING FLUIDS | 2023 | 
 | RU2823633C1 | 
| LUBRICANT REAGENT FOR DRILLING FLUIDS FOR DRILLING AND WELL COMPLETION | 2024 | 
 | RU2838968C1 | 
| REAGENT FOR TREATMENT OF FLUSHING FLUIDS USED IN WELL DRILLING | 2019 | 
 | RU2732147C1 | 
| DRILLING COMPLEX REAGENT FOR WATER-BASED FLUIDS | 2015 | 
 | RU2590254C1 | 
| COMPOUND ACTION REAGENT FOR WATER-BASED DRILLING FLUIDS | 2015 | 
 | RU2589782C1 | 
| POLYFUNCTIONAL COMPLEX REAGENT FOR WARNING OCCURRENCE OF DIFFERENTIAL STICKING | 2009 | 
 | RU2406744C1 | 
| LUBRICATING ADDITIVE FOR WATER-BASED DRILLING MUD | 2000 | 
 | RU2170243C1 | 
| LUBRICANT ADDITIVE FOR DRILLING MUD | 2018 | 
 | RU2684657C1 | 
Authors
Dates
2019-01-21—Published
2018-02-21—Filed