Methods and compositions for stimulating the production of hydrocarbons from subterranean formations
First Claim
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1. An emulsion or a microemulsion for stimulating an oil or gas well, comprising:
- an aqueous phase;
a surfactant;
a freezing point depression agent; and
a non-aqueous phase comprising a first type of terpene solvent and a second type of terpene solvent, wherein the first type of terpene solvent is nopol and the second type of terpene solvent is d-limonene.
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Abstract
Methods and compositions for stimulating of the production of hydrocarbons (e.g., formation crude oil and/or formation gas) from subterranean formations are provided. In some embodiments, the compositions are emulsions or microemulsions, which may include water, a terpene, and a surfactant. In some embodiments, methods of selecting a composition for treating an oil or gas well are provided.
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Citations
12 Claims
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1. An emulsion or a microemulsion for stimulating an oil or gas well, comprising:
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an aqueous phase; a surfactant; a freezing point depression agent; and a non-aqueous phase comprising a first type of terpene solvent and a second type of terpene solvent, wherein the first type of terpene solvent is nopol and the second type of terpene solvent is d-limonene. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11)
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2. An emulsion or a microemulsion for stimulating an oil or gas well, comprising:
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an aqueous phase; a surfactant; a freezing point depression agent; and an oil continuous phase being a first type of terpene solvent and a second type of terpene solvent, wherein the first type of terpene solvent is nopol and the second type of terpene solvent is d-limonene. - View Dependent Claims (12)
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Specification