Importance

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Abstract

Methods for creating or enhancing a fracture in a subterranean formation include introducing a pad fluid into a formation at a rate and pressure sufficient to create or enhance at least one fracture therein. The pad fluid can include a pad base fluid, micro-proppant particulates, a gas-generating chemical, and an activator, and wherein either the gas-generating chemical or the activator or both are encapsulated. The methods can include placing the micro-proppant particulates, etc. into the fracture; releasing the activator from its encapsulation; reacting the gas-generating chemical and the activator in the fracture so as to generate gas and heat, thereby creating or enhancing at least one microfracture therein; introducing a fracturing fluid into the formation, wherein the fracturing fluid comprises a fracturing base fluid and macro-proppant particulates and placing the macroproppant particulates into the fracture so as to form a proppant pack therein.

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First Claim