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公开(公告)号：US11384611B2
公开(公告)日：2022-07-12
申请号：US16638904
申请日：2019-05-03
发明人： Rajesh C. Kapila , Barry Hoffman
IPC分类号： E21B21/06
摘要： Provided are systems and methods that relate to separating drilling waste fluids. A method for separating a drilling waste fluid, the method comprising: introducing the drilling waste fluid into a thermal extraction chamber; allowing the drilling waste fluid to flow longitudinally along two screws disposed within the thermal extraction chamber, wherein each screw comprises a shaft, a first flite segment, and a first kneading block sequence; allowing the geometry of the screws to separate drilling waste fluid into evaporated fluid and solids; removing evaporated fluid through a first outlet port; removing solids through a second outlet port. A thermal extraction chamber for separating drilling waste fluids, wherein the thermal extraction chamber comprises: barrel; first screw; second screw, wherein first screw and second screw comprise identical profiles, wherein first screw and second screw comprise shaft, first flight segment, and first kneading block sequence; inlet port; first outlet port; second outlet port.
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公开(公告)号：US11975297B2
公开(公告)日：2024-05-07
申请号：US16856874
申请日：2020-04-23
发明人： Rajesh C. Kapila , Barry Hoffman
IPC分类号： E21B21/06 , B01F23/50 , B01F23/53 , B01F23/70 , B01F27/722 , B01F27/723 , B01F35/71 , B09B3/40 , B09B3/80 , E21B21/00 , B01F101/25 , B01F101/49
CPC分类号： B01F27/722 , B01F23/53 , B01F23/54 , B01F23/707 , B01F27/723 , B01F35/71775 , B09B3/40 , B09B3/80 , E21B21/001 , E21B21/066 , B01F23/565 , B01F35/71705 , B01F2101/25 , B01F2101/49
摘要： A device for processing oil or gas well waste solids, the device including a pressurizing discharge unit having a casing. The casing includes a solids inlet and a water inlet. The solids inlet receives treated solids into a front end of the casing, where the treated solids are exposed to a reduced pressure in an internal chamber of the casing of less than atmospheric pressure. The water inlet receives water and adds the water to the treated solids in the internal chamber. The casing includes an extruder screw unit, the extruder screw unit having progressive screw sections located inside the internal chamber and corresponding to conveying mixing and pressurizing screw sections. The conveying screw section conveys the treated solids along a long axis length of the extruder screw unit from the solids inlet towards a discharge end of the casing while the reduced pressure is maintained, the mixing screw section mixes the treated solids and the water together to form a paste, and the pressurizing screw section conveys the paste towards the discharge end and generates, in a portion of the casing downstream from the mixing screw section, a backpressure that is greater than atmospheric pressure. The casing includes a die assembly to extrude the paste through an orifice of the die assembly located at the discharge end while maintaining the backpressure on the paste in the internal chamber. Method and system embodiments for processing oil or gas well waste solids are also disclosed.
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公开(公告)号：US11236560B2
公开(公告)日：2022-02-01
申请号：US16639396
申请日：2019-05-03
发明人： Rajesh C. Kapila , Barry Hoffman
IPC分类号： E21B21/06 , E21B43/34 , E21B21/01 , E21B36/04 , B01D21/24 , F26B11/12 , F26B17/20 , B01D21/00
摘要： Provided are systems and methods that are related to a fluid processing unit. A method for separating a drilling waste fluid, the method comprising: introducing drilling waste fluid into a thermal extraction chamber; allowing drilling waste fluid to flow longitudinally along two screws disposed within thermal extraction chamber, wherein each screw comprises a shaft, an orifice, and an internal heating element; allowing internal heating element to provide heat to thermal extraction chamber; allowing at least a portion of the drilling waste fluid to evaporate; removing evaporated fluid through a first outlet; removing solids through a second outlet. A thermal extraction chamber for separating drilling waste fluids, wherein thermal extraction chamber comprises: a barrel; a first screw; a second screw, wherein first screw and the second screw comprise a shaft, an orifice, a an internal heating element; an inlet port; a first outlet port; and a second outlet port.
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公开(公告)号：US11060365B2
公开(公告)日：2021-07-13
申请号：US16856965
申请日：2020-04-23
发明人： Rajesh C. Kapila , Barry Hoffman
摘要： A solids discharge assembly for disposing of oil and gas well treated solids, the assembly including a discharge eductor and solids valve. The eductor includes a solids inlet, a fluid inlet, and a discharge outlet. Method and system embodiments for disposing of oil or gas well treated solids are also disclosed.
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公开(公告)号：US20210131202A1
公开(公告)日：2021-05-06
申请号：US16639396
申请日：2019-05-03
发明人： Rajesh Kapila , Barry Hoffman
摘要： Provided are systems and methods that are related to a fluid processing unit. A method for separating a drilling waste fluid, the method comprising: introducing drilling waste fluid into a thermal extraction chamber; allowing drilling waste fluid to flow longitudinally along two screws disposed within thermal extraction chamber, wherein each screw comprises a shaft, an orifice, and an internal heating element; allowing internal heating element to provide heat to thermal extraction chamber; allowing at least a portion of the drilling waste fluid to evaporate; removing evaporated fluid through a first outlet; removing solids through a second outlet. A thermal extraction chamber for separating drilling waste fluids, wherein thermal extraction chamber comprises: a barrel; a first screw; a second screw, wherein first screw and the second screw comprise a shaft, an orifice, a an internal heating element; an inlet port; a first outlet port; and a second outlet port.
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