FIELD: oil and gas production.
SUBSTANCE: water- or ethylene glycol-based composition preventing deposits of mineral salt in pump and oil-field equipment contains 0.1 to 0.125 wt % polyaminomethylphosphonic acid and 0.375 to 0.9 wt % polyacrylic acid sodium salt.
EFFECT: achieved efficiency at lower cost price being, in addition, appropriate to be injected under oil production conditions into well operated at any pressure, at any formation permeability, and at any degree of watering.
| Title | Year | Author | Number |
|---|---|---|---|
| COMPOSITION FOR PREVENTION OF INORGANIC SALT DEPOSITS | 2006 |
|
RU2316575C1 |
| COMPOSITION FOR EQUIPMENT PROTECTION FROM CORROSION AND INORGANIC SALT DEPOSITS | 2006 |
|
RU2324005C2 |
| METHOD FOR PREVENTING DEPOSITS OF NON-ORGANIC SALTS | 2013 |
|
RU2531298C1 |
| COMPOSITION FOR PREVENTING FORMATION OF SALT DEPOSITS DURING OIL AND GAS EXTRACTION | 2015 |
|
RU2599150C1 |
| COMPOSITION FOR PREVENTION OF INORGANIC SALTS DEPOSITION | 2010 |
|
RU2447197C1 |
| METHOD OF PRODUCTION AND USAGE OF LONG-TERM ACTIVE REAGENTS FOR PROTECTION OF EXTRACTING OIL WELLS AND ASSOCIATED TECHNOLOGICAL EQUIPMENT FROM CORROSION AND SCALE | 2017 |
|
RU2659055C1 |
| METHOD FOR INHIBITING FORMATION OF SCALING OF OIL-BEARING FORMATION AND COMPOSITION FOR ITS IMPLEMENTATION | 2023 |
|
RU2829042C1 |
| COMPOSITION FOR PREVENTION OF HYDRATE SALT DEPOSITIONS AND CORROSION | 2011 |
|
RU2504571C2 |
| METHOD OF VISCOUS-ELASTIC COMPOSITION PREPARING | 0 |
|
SU1789664A1 |
| METHOD OF PREVENTING SALT SEDIMENTATION | 0 |
|
SU1414794A1 |
