Abstract: The present disclosure provides methods that use polymerized alkali silicate gels. An example method comprises: introducing a polymerized alkali silicate gel into a subterranean formation containing a fault, wherein the polymerized alkali silicate gel is introduced the subterranean formation such that at least a leading edge of polymerized alkali silicate gel is placed in the fault or within about 10 miles from the fault.

Abstract: Methods for fracturing subterranean formations include pumping a micro-proppant slurry into a wellbore located in the subterranean formation containing near field primary fractures and far field secondary fractures and sequentially increasing and decreasing flow rates of the micro-proppant slurry in the wellbore while propagating far field secondary fractures within the subterranean formation during two or more stress treatment cycles. Each stress treatment cycle includes increasing the flow rate of the micro-proppant slurry in the wellbore, then decreasing the flow rate of the micro-proppant slurry in the wellbore. The micro-proppant slurry includes a fracturing fluid and a micro-proppant having an average particle size of 150 micrometers or less.

Abstract: Methods and systems for restimulating a previously fractured subterranean formation penetrated by a wellbore are described. The methods include plugging existing perforations in an outer casing and existing fractures in the formation with a diverting agent, placing an inner casing in the wellbore while the existing perforations and existing fractures are plugged with the diverting agent, perforating the inner casing and the outer casing to form new perforations, and pumping a fluid through the new perforations to create new fractures in the formation.

Abstract: Methods for fracturing subterranean formations include pumping a micro-proppant slurry into a wellbore located in the subterranean formation containing near field primary fractures and far field secondary fractures and sequentially increasing and decreasing flow rates of the micro-proppant slurry in the wellbore while propagating far field secondary fractures within the subterranean formation during two or more stress treatment cycles. Each stress treatment cycle includes increasing the flow rate of the micro-proppant slurry in the wellbore, then decreasing the flow rate of the micro-proppant slurry in the wellbore. The micro-proppant slurry includes a fracturing fluid and a micro-proppant having an average particle size of 150 micrometers or less.

Abstract: Methods for reducing pressure dependent leak-off (PDL) in PDL fractures of an unconventional subterranean formation are described. The methods include introducing a first fluid including micro-proppant particulates into the formation, allowing a portion of the micro-proppant particulates in the first fluid to seal one or more PDL fractures in the formation, pumping an acid into the formation, allowing a portion of the micro-proppant particulates in the first fluid to divert a flow of at least a portion of the acid from the PDL fractures to a primary fracture, introducing a second fluid including micro-proppant particulates into the formation, and allowing a portion of the micro-proppant particulates in the second fluid to seal one or more PDL fractures in the formation.

Abstract: Methods for reducing pressure dependent leak-off (PDL) in PDL fractures of an unconventional subterranean formation are described. The methods include introducing a first fluid including micro-proppant particulates into the formation, allowing a portion of the micro-proppant particulates in the first fluid to seal one or more PDL fractures in the formation, pumping an acid into the formation, allowing a portion of the micro-proppant particulates in the first fluid to divert a flow of at least a portion of the acid from the PDL fractures to a primary fracture, introducing a second fluid including micro-proppant particulates into the formation, and allowing a portion of the micro-proppant particulates in the second fluid to seal one or more PDL fractures in the formation.

Abstract: Methods and systems for restimulating a previously fractured subterranean formation penetrated by a wellbore are described. The methods include plugging existing perforations in an outer casing and existing fractures in the formation with a diverting agent, placing an inner casing in the wellbore while the existing perforations and existing fractures are plugged with the diverting agent, perforating the inner casing and the outer casing to form new perforations, and pumping a fluid through the new perforations to create new fractures in the formation.