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US 2015/0175871 A1Published application
Breaker fluid
AssigneeM-I L.L.C.
InventorsSashikumar Mettath, Mark Luyster
Life of this patent
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Abstract
A breaker fluid composition and methods for using said breaker fluid composition are provided, where the breaker fluid includes a non-aqueous base fluid, a precipitated silica, an acid source, and, in some embodiments, a chelant.
Claims21
A method of cleaning a wellbore, the method comprising:
- emplacing a breaker fluid into the wellbore proximate a filter cake, the breaker fluid comprising:
- an oleaginous base fluid,
- a precipitated silica, and
- at least one of an acid source and a chelant;
- and
- shutting in the well for a period of time.
3 more elements
A method for completing a wellbore, comprising:
- drilling the wellbore with a drilling fluid and forming a filtercake on the walls thereof;
- gravel packing at least one interval of the wellbore;
- emplacing a breaker fluid into the wellbore, the breaker fluid comprising:
- an oleaginous base fluid;
- a precipitated silica;
- and
- at least one of an acid source and a chelant.
4 more elements
The method of claim 3, wherein the breaker fluid comprises both an acid source and a chelant.
A breaker fluid, comprising:
- a non-aqueous base fluid;
- a precipitated silica;
- and
- at least one of an acid source and a chelant.
1 more element
Dependencies are inferred from the claim text.