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1.发明授权公开(公告)号：US11920081B2
公开(公告)日：2024-03-05
申请号：US17190690
申请日：2021-03-03
发明人： Clay Purdy , Markus Weissenberger
IPC分类号： C09K8/52 , A23C21/00 , A23J1/00 , A23J1/20 , B01D15/20 , B01J49/50 , B01J49/60 , B08B3/08 , B09C1/08 , C02F1/50 , C02F1/66 , C04B41/00 , C04B41/53 , C04B41/72 , C05B11/04 , C05B15/00 , C05B17/00 , C05C11/00 , C05D9/00 , C05G3/80 , C05G5/23 , C09K8/54 , C09K8/72 , C09K13/06 , C09K17/40 , C09K17/42 , C09K17/48 , C11D3/30 , C11D7/08 , C11D7/32 , C23F11/04 , C23F11/14 , E21B37/06 , C02F5/12
CPC分类号： C09K8/52 , A23C21/00 , A23J1/00 , A23J1/202 , B01D15/203 , B01J49/50 , B01J49/60 , B08B3/08 , B09C1/08 , C02F1/50 , C02F1/66 , C04B41/009 , C04B41/5315 , C04B41/5353 , C04B41/72 , C05B11/04 , C05B15/00 , C05B17/00 , C05C11/00 , C05D9/00 , C05G3/80 , C05G5/23 , C09K8/54 , C09K8/72 , C09K13/06 , C09K17/40 , C09K17/42 , C09K17/48 , C11D3/30 , C11D7/08 , C11D7/3218 , C23F11/04 , C23F11/142 , E21B37/06 , C02F5/125 , C09K2208/32 , C04B41/009 , C04B28/02
摘要： An aqueous modified acid composition for industrial activities, said composition comprising: an alkanolamine and strong acid in a molar ratio of not less than 1:15, preferably not less than 1:10; it can also further comprise a metal iodide or iodate. Said composition demonstrates advantages over known conventional acids and modified acids.
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公开(公告)号：US20230374373A1
公开(公告)日：2023-11-23
申请号：US17746039
申请日：2022-05-17
摘要： A composition for fracturing a wellbore may include a reacting fluid. The reacting fluid includes an encapsulated breaker, sodium nitrite, and an ammonium-comprising compound. The sodium nitrite and the ammonium-comprising compound undergo an exothermic reaction producing heat operable to release the encapsulated breaker, releasing the breaker that then reduces viscosity in the polymer-comprising fluid. A method for fracturing a wellbore may include injecting into a fractured wellbore a fluid comprising an ammonium-comprising compound and a fluid comprising sodium nitrite. The fractured wellbore has been fractured with a fracturing fluid comprising an encapsulated breaker. Sodium nitrite and the ammonium-comprising compound undergo an exothermic chemical reaction that generates heat to release the encapsulated breaker.
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公开(公告)号：US11767464B2
公开(公告)日：2023-09-26
申请号：US17306793
申请日：2021-05-03
发明人： Xiangnan Ye , Cato R. McDaniel , Dale E. Jamison
IPC分类号： E21B33/138 , C09K8/57 , C09K8/72 , E21B21/00 , E21B37/00
CPC分类号： C09K8/572 , C09K8/72 , E21B21/003 , E21B33/138 , E21B37/00
摘要： A method of treating a wellbore in a subterranean formation including introducing a first fluid into a formation, wherein the first fluid comprises: a first water soluble salt and a carrier; placing a second fluid into the formation, wherein the second fluid comprises: a second water soluble salt and a carrier, wherein the first fluid and second fluid produce a solid precipitate upon contact; and allowing the solid precipitate to form in-situ in the formation. An acid may be added to the wellbore after formation of the precipitate. The method may be also used for stabilizing a wellbore during drilling, and shutting off and reopening a region in a formation.
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公开(公告)号：US11697759B1
公开(公告)日：2023-07-11
申请号：US17685954
申请日：2022-03-03
发明人： Ronald Glen Dusterhoft , Neil Alan Stegent , Robert Barree , Victor Daniel Escobar Acosta , Maharaja Palanivel
IPC分类号： E21B43/28 , C09K8/72 , C09K8/80 , E21B43/267
CPC分类号： C09K8/72 , C09K8/80 , E21B43/267 , E21B43/283
摘要： A method comprising: introducing a first fluid into a wellbore above a fracture gradient of a subterranean formation penetrated by the wellbore to create a first plurality of fractures within a first portion of the subterranean formation; introducing a second fluid comprising at least one acid component into the wellbore above the fracture gradient of the subterranean formation penetrated by the wellbore to create a second plurality of fractures within a second portion of the subterranean formation; allowing the second fluid to enter at least one natural fracture in the first or second portion of the subterranean formation allowing the acid component to dissolve at least a portion of the subterranean formation to form one or more induced fractures in fluidic communication with the natural fracture, at least some of the first plurality of fractures, and at least some of the second plurality of fractures.
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公开(公告)号：US11634625B2
公开(公告)日：2023-04-25
申请号：US16818473
申请日：2020-03-13
摘要： A well treatment additive includes a siloxane surfactant, a solvent and an aqueous phase. The solvent is preferably a terpene hydrocarbon. Also disclosed is a method for using the well treatment additive to form and enhance the properties of terpene solvent based additives useful for the treatment of oil and gas wells. Methods of using the novel well treatment additives include using the additives in a variety of well treatment processes including, but not limited to, acidizing operations, hydraulic fracturing operations, well remediation operations and water removal operations.
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公开(公告)号：US20230050823A1
公开(公告)日：2023-02-16
申请号：US17815903
申请日：2022-07-28
发明人： Thomas Darrah , Vikram Rao , Colin Whyte
摘要： Apparatuses, systems, and methods are disclosed for producing and liberating hydrogen gas and sequestering carbon dioxide through sequential serpentinization and carbonation (mineralization) reactions conducted in situ via one or more wellbores that at least partially traverse subterranean geological formations having large concentrations of mafic igneous rock, ultramafic igneous rock, or a combination thereof.
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公开(公告)号：US11505737B2
公开(公告)日：2022-11-22
申请号：US16015406
申请日：2018-06-22
摘要： Provided herein are compositions and methods for the controlled delivery of acid to a subterranean formation.
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公开(公告)号：US11447679B2
公开(公告)日：2022-09-20
申请号：US15753407
申请日：2015-09-15
IPC分类号： C09K8/035 , C09K8/68 , C09K8/70 , C09K8/72 , C09K8/92 , C09K8/03 , C09K8/80 , C09K8/88 , E21B21/00 , E21B33/14 , E21B37/00 , E21B43/26
摘要： Core-shell particles for treatment of subterranean formations are provided. A method may include placing in the subterranean formation a composition including a core-shell particle including a hydrophilic core and a hydrophobic shell.
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公开(公告)号：US11326434B2
公开(公告)日：2022-05-10
申请号：US16626129
申请日：2017-08-04
IPC分类号： E21B43/263 , E21B43/26 , C09K8/64 , C09K8/72 , C09K8/80 , E21B43/1185 , E21B43/267 , E21B43/16 , E21B43/17 , C09K8/584 , C09K8/62
摘要： Methods for enhancing the conductivity of fractures in a subterranean formation using electrically controlled propellants are provided. In some embodiments, the methods comprise: introducing an electrically controlled propellant into one or more secondary boreholes in a subterranean formation near a main well bore that penetrates the subterranean formation; igniting the electrically controlled propellant in the secondary boreholes, whereby at least a portion of the region of the subterranean formation near the secondary borehole is at least partially ruptured by the ignition of the electrically controlled propellant in the secondary boreholes; and introducing a fracturing fluid into the main wellbore at or above a pressure sufficient to create or enhance at least one primary fracture in the subterranean formation that extends into at least a portion of the ruptured region of the subterranean formation.
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公开(公告)号：US11319479B2
公开(公告)日：2022-05-03
申请号：US16814415
申请日：2020-03-10
发明人： Clay Purdy , Markus Weissenberger , Adrienne Lee
摘要： An organic acid composition for use in oil industry activities, said composition comprising an arylsulfonic acid in water as well as the use of said composition to perform various operations in the oil industry. There is also disclosed a solid acid composition comprising a corrosion inhibitor ready for dissolution and use.
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