FIELD: oil and gas production.
SUBSTANCE: well-killing fluid contains 85-95% petroleum and 5-15% additive, which consists of at least two components selected from group represented by tall oil, petroleum processing waste, and castor oil and additionally contains phosphoric acid ester.
EFFECT: reduced fire and explosion risk and reduced cost due to use of inexpensive components.
2 cl, 1 tbl, 11 ex
| Title | Year | Author | Number |
|---|---|---|---|
| FLUID FOR WELLS KILLING AND COMPLETION | 2008 |
|
RU2379325C1 |
| COMPOSITION FOR PREPARATION OF HEAVY PROCESS LIQUID FOR COMPLETION AND REPAIR OF OIL AND GAS WELLS | 2013 |
|
RU2519019C1 |
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|
RU2470060C1 |
| METHOD FOR SHUTTING A WELL | 2004 |
|
RU2255209C1 |
| WELL COMPLETION AND PULLOUT COMPOSITION | 2003 |
|
RU2253664C1 |
| COMPOSITION FOR PREPARING HEAVY PROCESS LIQUIDS FOR FINISHING AND REPAIRING OIL AND GAS WELLS | 2009 |
|
RU2406745C1 |
| FLUID TO KILL AND CONSERVE WELLS | 2001 |
|
RU2201498C2 |
| COMPOSITION FOR PREPARING SOLID PHASE-FREE PROCESS FLUIDS (DENSITY UP TO 1600 kg/m) DESIGNED FOR COMPLETING AND REPAIRING OIL AND GAS WELLS | 2005 |
|
RU2291181C1 |
| BASE OF FLUID FOR WELL KILLING AND COMPLETION | 2001 |
|
RU2206722C2 |
| EMULSIFIER FOR INVERT EMULSIONS | 2017 |
|
RU2697803C2 |
