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公开(公告)号：US11359130B2
公开(公告)日：2022-06-14
申请号：US17047285
申请日：2018-04-10
发明人： Radhika Suresh , D. V. Satyanarayana Gupta , Valery Khabashesku , Qusai Darugar , Sankaran Murugesan
摘要： A method of reducing water saturation onto surfaces exposed to hydrocarbons during the production of hydrocarbons from subterranean formations by altering the wettability of the surface of the formation with surface modified nanoparticles.
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2.发明授权公开(公告)号：US12060523B2
公开(公告)日：2024-08-13
申请号：US17676725
申请日：2022-02-21
IPC分类号： C09K8/80 , E21B43/267
CPC分类号： C09K8/80 , E21B43/267
摘要： Oil-soluble well treatment agents may be slowly released into a well or a subterranean formation by use of an aqueous fluid of (i) an oil-in-water dispersion having the oil-soluble well treatment agent as a dispersed phase and (ii) a second component having an oil-soluble or water-soluble primer coated onto a portion of its surface. The amount of the oil-soluble well treatment agent in the oil-in-water dispersion is from 20 to 50 weight percent and the average particle size of the oil-soluble well treatment agent in the dispersion may be from 0.005 to 2 micrometers. The oil-in-water dispersion may further contain a water-soluble well treatment agent.
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公开(公告)号：US11486241B2
公开(公告)日：2022-11-01
申请号：US15919793
申请日：2018-03-13
发明人： Scott G. Nelson , Harold Dean Brannon , Jimie Devon Lemons , Thomas Ray Starks, II , D. V. Satyanarayana Gupta
IPC分类号： E21B43/267 , E21B43/14 , E21B33/138 , C09K8/516 , C09K8/508 , C09K8/536 , E21B43/26 , C09K8/68 , C09K8/72 , C09K8/76 , C09K8/88 , C09K8/70 , C09K8/92
摘要： The flow of well treatment fluids may be diverted from a high permeability zone to a low permeability zone within a fracture network within a subterranean formation by use of a mixture comprising a dissolvable diverter and a proppant. At least a portion of the high permeability zone is propped open with the proppant of the mixture and at least a portion of the high permeability zone is blocked with the diverter. A fluid is then pumped into the subterranean formation and into a lower permeability zone of the formation farther from the wellbore. The diverter in the high permeability zones may then be dissolved at in-situ reservoir conditions and hydrocarbons produced from the high permeability propped zones of the fracture network. The mixture has particular applicability in the enhancement of production or hydrocarbons from high permeability zones in a fracture network located near the wellbore.
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公开(公告)号：US11254861B2
公开(公告)日：2022-02-22
申请号：US16630358
申请日：2017-07-13
IPC分类号： C09K8/92 , C09K8/52 , C09K8/524 , C09K8/54 , C09K8/575 , C09K8/58 , C09K8/60 , C09K8/70 , C09K8/74 , E21B37/06 , E21B43/04 , E21B43/16 , E21B43/26
摘要： A system for slowly releasing an oil-soluble well treatment agent into a well or a subterranean formation includes a composite of the oil-soluble well treatment agent associated with a second component. The amount of the oil-soluble well treatment agent in the composite is from 20 to 35 weight percent and the average particle size of the oil-soluble well treatment agent in the composite is less than or equal to 1 micrometer. The composite may further contain a water-soluble well treatment agent.
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公开(公告)号：US11111766B2
公开(公告)日：2021-09-07
申请号：US15919586
申请日：2018-03-13
发明人： Harold Dean Brannon , Thomas Ray Starks, II , Scott Gregory Nelson , Charles Elmer Bell , Tom N. Royce , D. V. Satyanarayana Gupta , Jimie Devon Lemons , Curtis David Huff , John Gottschling , Angel F. Gonzalez
IPC分类号： E21B43/26 , E21B43/243 , E21B43/267 , E21B33/138 , C09K8/68 , E21B47/06 , E21B47/00 , C09K8/508 , C09K8/516
摘要： The complexity of a fracture network may be enhanced during a hydraulic fracturing operation by monitoring operational parameters of the fracturing job and altering stress conditions in the well in response to the monitoring of the operational parameters. The operational parameters monitored may include the injection rate of the pumped fluid, the density of the pumped fluid or the bottomhole pressure of the well after the fluid is pumped. The method provides an increase to the stimulated reservoir volume (SRV).
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