FIELD: oil production, particularly chemical means for preventing or limiting the deposition of paraffins or like substances in oil production equipment.
SUBSTANCE: composition includes surfactant, additive and solvent. Glycols and/or monoalkylphenyl polyethylene glycol esters are used as the surfactant. Polar electrolyte and acid amide are used as the additive. Above substances are taken in the following amounts (% by weight): glycols and/or monoalkylphenyl polyethylene glycol esters - 35-46, polar electrolyte and acid amide - 4-15, remainder is solvent.
EFFECT: prevention of asphalt-tar-paraffin deposit crystal growth by disintegration thereof and by hydrophilization of bottomhole equipment surfaces.
1 ex, 3 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| COMPOSITION FOR PREVENTING ASPHALT-RESIN-PARAFFIN DEPOSITS | 2009 |
|
RU2388785C1 |
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|
RU2717859C1 |
| COMPOUND FOR REMOVAL OF ASPHALT-RESIN-PARAFFIN SEDIMENTATIONS | 2002 |
|
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|
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| COMPOSITION FOR PREVENTING ASPHALTENE-RESIN-PARAFFIN DEPOSITS | 2014 |
|
RU2566795C1 |
| TECHNICAL DETERGENT "ЭДС-1" | 2016 |
|
RU2631245C2 |
| COMPOSITION FOR REMOVAL OF ASPHALTENE-RESINOUS AND PARAFFIN DEPOSITS | 2002 |
|
RU2223294C1 |
| COMPOSITION FOR DESTRUCTION OF OIL-WATER EMULSIONS AND FOR REMOVAL AND PREVENTION OF ASPHALT-RESIN-PARAFFIN DEPOSITS | 2011 |
|
RU2485160C1 |
| ACIDIC SURFACTANT COMPOUND FOR PROCESSING FACE-ADJACENT ZONE | 2004 |
|
RU2249101C1 |
| COMPOUND FOR PREVENTING ASPHALTENO-RESIN-PARAFFIN DEPOSITIONS | 1997 |
|
RU2104391C1 |
