Treatment fluids for demulsifying production fluids
AssigneeHalliburton Energy Services, Inc.
InventorsAntonio Recio, III, Kristina Henkel Holan, Paul Ashcraft, Denise Nicole Benoit
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Abstract
Treatment fluids and associated methods and systems for demulsifying an emulsified well fluid. An example method includes contacting the emulsified well fluid with a treatment fluid comprising: an aqueous base fluid; an alcohol; a resin alkoxylated oligomer; a polyol; and a polyamine polyether. The emulsified well fluid is separated into an aqueous phase and an oleaginous phase after contact with the treatment fluid.
Claims20
A method for demulsifying an emulsified well fluid, the method comprising:
- contacting the emulsified well fluid with a treatment fluid comprising:
- an aqueous base fluid;
- an alcohol;
- a resin alkoxylated oligomer;
- a polyol selected from the group consisting of polyoxyalkylene glycol, a polyol block copolymer, and any combinations thereof;
- and
- a polyamine polyether selected from the group consisting of amine oxyalkylates, alkoxylated polyamines, amine-initiated polyol block copolymers, ethylenediamine ethoxylated polyethyleneimine polymers, ethylenediamine propoxylated polyethyleneimine polymers, and any combination thereof;
- wherein the emulsified well fluid is separated into an aqueous phase and an oleaginous phase after contact with the treatment fluid;
- wherein the emulsified well fluid is separated into the aqueous phase and the oleaginous phase after contact with the treatment fluid for ten minutes or less.
A treatment fluid for demulsifying an emulsified well fluid, the treatment fluid comprising:
- an aqueous base fluid;
- an alcohol;
- a resin alkoxylated oligomer;
- a polyol selected from the group consisting of polyoxyalkylene glycol, a polyol block copolymer, and any combinations thereof;
- and
- a polyamine polyether selected from the group consisting of amine oxyalkylates, alkoxylated polyamines, amine-initiated polyol block copolymers, ethylenediamine ethoxylated polyethyleneimine polymers, ethylenediamine propoxylated polyethyleneimine polymers, and any combination thereof;
- wherein the treatment fluid is configured to separate the emulsified well fluid into an aqueous phase and an oleaginous phase after contact with the treatment fluid for ten minutes or less.
A system for demulsifying an emulsified well fluid, the system comprising:
- a treatment fluid comprising:
- an aqueous base fluid;
- an alcohol;
- a resin alkoxylated oligomer;
- a polyol selected from the group consisting of polyoxyalkylene glycol, a polyol block copolymer, and any combinations thereof;
- and
- a polyamine polyether selected from the group consisting of amine oxyalkylates, alkoxylated polyamines, amine-initiated polyol block copolymers, ethylenediamine ethoxylated polyethyleneimine polymers, ethylenediamine propoxylated polyethyleneimine polymers, and any combination thereof;
- when the treatment fluid is configured to separate the emulsified well fluid into an aqueous phase and an oleaginous phase after contact with the treatment fluid for ten minutes or less;
- mixing equipment configured to mix the aqueous base fluid;
- the alcohol;
- the resin alkoxylated oligomer;
- the polyol;
- and the polyamine polyether to provide the treatment fluid;
- pumping equipment configured to pump the treatment fluid;
- and
- a separator configured to separate the emulsified well fluid into its aqueous and oleaginous phases.
Dependencies are inferred from the claim text.