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公开(公告)号：US11320197B2
公开(公告)日：2022-05-03
申请号：US15925873
申请日：2018-03-20
Applicant: CONOCOPHILLIPS COMPANY
Inventor： Dale L. Embry , Paul R. Davies , Qi Ma , David W. Larkin , Michael J. Calderon
Abstract: The invention relates to a system, method and apparatus for removing heavies from natural gas. Natural gas and an external rich reflux gas feed are processed in a single column refluxed absorber. A bottoms stream is routed to a first heat exchanger and then to a stabilizer column where an overhead stream from the stabilizer column is routed through a condenser for partial separation into an overhead stream. A rich solvent may be introduced to the stabilizer column. The overhead stream is routed through a condenser for partial separation into a stabilizer reflux and a second overhead stream lights. The second overhead stream lights is routed to a heat exchanger and then routed to a partial condenser where the stream is separated into a heavies rich reflux stream, a distillate stream and heavies treated natural gas stream. The rich reflux is routed through a heat exchanger and the rich reflux is pumped to the single column refluxed absorber to be introduced into the single column refluxed absorber as the external rich reflux gas feed.
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公开(公告)号：US10899974B2
公开(公告)日：2021-01-26
申请号：US15926099
申请日：2018-03-20
Applicant: CONOCOPHILLIPS COMPANY
Inventor： Paul R. Davies , Michael J. Calderon , Dale L. Embry , David W. Larkin , Qi Ma
Abstract: The invention relates to various nonlimiting embodiments that include methods, apparatuses or systems for processing natural gas comprising a heavies removal column processing natural gas and light oil reflux. The overhead stream goes to heavies treated natural gas storage. The heavies removal column reboiler bottoms stream product is input to a debutanizer column. The debutanizer column overhead lights are input to a flash drum where the bottoms is pumped through a heat exchanger as a light oil reflux input to the heavies removal column, while the debutanizer reboiler bottoms product is stored as stabilized condensate. Alternatively, debutanizer column overhead lights are sent to heavies treated gas storage and the bottoms stream product goes to a depentanizer column, the overhead lights are pumped through a heat exchanger as a light oil reflux input to the heavies removal column, while the depentanizer reboiler bottoms product is stabilized condensate.
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公开(公告)号：US12122964B2
公开(公告)日：2024-10-22
申请号：US18208965
申请日：2023-06-13
Applicant: CONOCOPHILLIPS COMPANY
Inventor： Paul R. Davies , Michael J. Calderon , Dale L. Embry , David W. Larkin , Qi Ma
CPC classification number: C10G53/02 , B01D1/28 , B01D3/06 , B01D3/143 , C10G7/00 , B01D2256/24 , B01D2257/7022 , C10G2300/1025 , C10G2300/1081 , C10G2400/28
Abstract: The invention relates to various nonlimiting embodiments that include methods, apparatuses or systems for processing natural gas comprising a heavies removal column processing natural gas and light oil reflux. The overhead stream goes to heavies treated natural gas storage. The heavies removal column reboiler bottoms stream product is input to a debutanizer column. The debutanizer column overhead lights are input to a flash drum where the bottoms is pumped through a heat exchanger as a light oil reflux input to the heavies removal column, while the debutanizer reboiler bottoms product is stored as stabilized condensate. Alternatively, debutanizer column overhead lights are sent to heavies treated gas storage and the bottoms stream product goes to a depentanizer column, the overhead lights are pumped through a heat exchanger as a light oil reflux input to the heavies removal column, while the depentanizer reboiler bottoms product is stabilized condensate.
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公开(公告)号：US11713423B2
公开(公告)日：2023-08-01
申请号：US17247622
申请日：2020-12-18
Applicant: CONOCOPHILLIPS COMPANY
Inventor： Paul R. Davies , Michael J. Calderon , Dale L. Embry , David W. Larkin , Qi Ma
CPC classification number: C10G53/02 , B01D1/28 , B01D3/06 , B01D3/143 , C10G7/00 , B01D2256/24 , B01D2257/7022 , C10G2300/1025 , C10G2300/1081 , C10G2400/28
Abstract: The invention relates to various nonlimiting embodiments that include methods, apparatuses or systems for processing natural gas comprising a heavies removal column processing natural gas and light oil reflux. The overhead stream goes to heavies treated natural gas storage. The heavies removal column reboiler bottoms stream product is input to a debutanizer column. The debutanizer column overhead lights are input to a flash drum where the bottoms is pumped through a heat exchanger as a light oil reflux input to the heavies removal column, while the debutanizer reboiler bottoms product is stored as stabilized condensate. Alternatively, debutanizer column overhead lights are sent to heavies treated gas storage and the bottoms stream product goes to a depentanizer column, the overhead lights are pumped through a heat exchanger as a light oil reflux input to the heavies removal column, while the depentanizer reboiler bottoms product is stabilized condensate.
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