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公开(公告)号：US20220228478A1
公开(公告)日：2022-07-21
申请号：US17613705
申请日：2020-05-23
Applicant: RESMAN AS
Inventor： Thomas SPERLE , Øystein MØLSTRE
Abstract: The invention provides a tracer release system (100) and method of use. The tracer release comprises at least one tracer chamber for connection to a production tubing (12). The at least one tracer chamber comprising at least one inlet (118), at least one outlet (120), a fluid volume (122) and a tracer material (124) located in the fluid volume. The tracer chamber also comprises a valve (126) configured to selectively open and/or close the at least one outlet.
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公开(公告)号：US20220228479A1
公开(公告)日：2022-07-21
申请号：US17613764
申请日：2020-05-23
Applicant: RESMAN AS
Inventor： Thomas SPERLE , Øystein MØLSTRE
Abstract: The invention provides a method of monitoring influx of a fluid to a hydrocarbon producing well comprising providing at least one tracer release apparatus (100) in a hydrocarbon producing well at an influx location (14a-14d). The at least one tracer release apparatus comprises a fluid volume (121) and a tracer material (124) located in the fluid volume. The method comprises shutting in the tracer release apparatus during production to increase the concentration of tracer molecules in the fluid volume; releasing the tracer molecules from the tracer release apparatus into the production flow and detecting the presence of tracer downstream of the influx location.
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公开(公告)号：US20240328306A1
公开(公告)日：2024-10-03
申请号：US18664359
申请日：2024-05-15
Applicant: RESMAN AS
Inventor： Thomas SPERLE , Øystein MØLSTRE
Abstract: The invention provides a method for quantitative downhole surveillance of a multi-phase flow, comprising at least two phases of either oil, water or gas, in a petroleum well. The method comprising providing at least one shunt chamber which comprises a flow phase separation section, a delay chamber, one or more outlet ports, at least one flow restrictor and a tracer release system with one or more tracers. The method comprises separating a shunt flow in the shunt chamber into a low-density flow phase and a high-density flow phase; releasing at least one tracer into the tracer delay chamber. The method also comprises passing the separated low-density flow phase and high-density flow phase through each flow restrictor and flushing out the low-density phase flow and the high-density phase flow with tracer from the shunt chamber through the outlet ports into the local flow inside the well. The method comprises monitoring the at least one tracer in the production flow at a detection point downstream of the outlet ports and measuring
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公开(公告)号：US20220235649A1
公开(公告)日：2022-07-28
申请号：US17613733
申请日：2020-05-23
Applicant: RESMAN AS
Inventor： Thomas SPERLE , Øystein MØLSTRE
Abstract: A method for quantitative downhole surveillance of a multi-phase flow, comprising at least two phases of either oil, water or gas, in a petroleum well. The method comprising providing at least one shunt chamber (100) which comprises a flow phase separation section (130), a delay chamber (140), one or more outlet ports (122), at least one flow restrictor (126a, 128b) and a tracer release system (124) with one or more tracers. The method comprises separating a shunt flow in the shunt chamber into a low-density flow phase and a high-density flow phase; releasing at least one tracer into the tracer delay chamber, passing the separated flow phases through each flow restrictor and flushing out the phase flows with tracer into the local flow inside the well. The method comprises monitoring the tracers in the production flow and measuring the concentration of the one or more tracers.
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