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公开(公告)号：US11946370B2
公开(公告)日：2024-04-02
申请号：US18182799
申请日：2023-03-13
IPC分类号： E21B49/08 , E21B47/06 , E21B47/135 , E21B49/10 , G01N21/03 , G01N21/31 , G01N21/3577 , G01N33/28 , G01N15/00
CPC分类号： E21B49/0875 , E21B47/06 , E21B47/135 , E21B49/088 , E21B49/10 , G01N21/31 , G01N21/3577 , G01N33/2823 , G01N2015/0092
摘要： Asphaltene onset pressure of a formation fluid is determined by subjecting the fluid to a plurality of tests where depressurization is conducted at a different depressurization rate for each test while optically monitoring the fluid for asphaltene flocculation. The pressures at which asphaltene flocculation are detected in each test are fit to a curve as a function of depressurization rate, and the curve is extrapolated to a pressure (e.g., 0 psi) to provide the asphaltene onset pressure.
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2.发明授权公开(公告)号：US11927716B2
公开(公告)日：2024-03-12
申请号：US18123826
申请日：2023-03-20
IPC分类号： E21B49/08 , E21B49/10 , G01N1/14 , G01N30/86 , G01N30/88 , G01N33/28 , G01V9/00 , E21B17/10 , E21B47/12 , G01N30/02
CPC分类号： G01V9/00 , E21B49/083 , E21B49/086 , E21B49/10 , G01N1/14 , G01N30/8651 , G01N30/8675 , G01N30/88 , G01N33/2823 , E21B17/1078 , E21B47/12 , E21B49/0875 , G01N2030/025 , G01N2030/8854
摘要： A method may comprise forming a data matrix, extracting chromatographs of a mud filtrate and a formation fluid, extracting concentration profiles of the mud filtrate and the formation fluid, and decomposing a data set on an information handling machine using a bilinear model. A system may comprise a downhole fluid sampling tool and an information handling tool. The downhole fluid sampling tool may comprise one or more multi-chamber sections, one or more fluid module sections, one or more gas chromatographers, wherein the one or more gas chromatographers are disposed in the one or more fluid module sections, and an information handling system.
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公开(公告)号：US20240011394A1
公开(公告)日：2024-01-11
申请号：US17857489
申请日：2022-07-05
发明人： Christopher Michael Jones , Mehdi Ali Pour Kallehbasti , Anthony Herman VanZuilekom , Darren George Gascooke
CPC分类号： E21B49/0875 , E21B49/10 , E21B2200/22
摘要： The disclosure presents processes to determine a first formation fluid-second formation fluid boundary from one side of the boundary utilizing a formation tester tool. For example, the formation tester can be utilized in a borehole to determine an engagement point with a subterranean formation and determine one or more, or a combination of, injectable fluids to inject into the subterranean formation. Sensors coupled to the formation tester can measure the rebound pressure of the injected fluids. In some aspects, the fluid density of the collected fluid can be measured. The measured pressure changes and other collected data, can be utilized to determine a first formation fluid-second formation fluid boundary parameter. Other characteristic parameters can also be determined such as wettability parameters, porosity parameters, and capillary effects parameters. The formation tester can collect a core sample and an analyzation of the core sample can be utilized to determine the characteristic parameters.
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公开(公告)号：US11840920B1
公开(公告)日：2023-12-12
申请号：US17903633
申请日：2022-09-06
CPC分类号： E21B47/11 , E21B49/10 , E21B43/12 , E21B43/162 , E21B47/10
摘要： A hydrocarbon well downhole fluid acquisition and injection system for selecting and stimulating zones based on operations of the system. Target depths in a hydrocarbon well are identified, and reservoir fluids may be acquired or tagging agents may be injected at the target depths using a specialized hydrocarbon well downhole fluid acquisition and injection system. The well may be operated to generate flow of fluids, and the reservoir fluids may be monitored and assessed for the presence of tagging agents. The presence of tagging agents and the fluid sample may be assessed to identify zones that may be candidates for stimulation or other operations.
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公开(公告)号：US11814908B2
公开(公告)日：2023-11-14
申请号：US17751084
申请日：2022-05-23
发明人： Ping Sui , Nanjun Liu , Varun Gupta , Charles Kuo
CPC分类号： E21B17/1014 , E21B49/10
摘要： A formation tester tool assembly includes a seal member mounted on rigid stabilizer that contacts a borehole wall separately from the seal member, so that seal exposure to a stabilization load that presses the tool against the borehole wall is limited or reduced by contact engagement of the stabilizer with the borehole wall. The stabilizer is provided by a hydraulically actuated probe piston reciprocally movable relative to a tool body on which it is mounted. The seal member is in some embodiments movable relative to the probe piston, for example being configured for hydraulic actuation to sealingly engage the borehole wall while the tool body is stabilized by action of the probe piston.
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公开(公告)号：US11808150B2
公开(公告)日：2023-11-07
申请号：US17663473
申请日：2022-05-16
发明人： Thomas Pfeiffer , Ashers Partouche , Kai Hsu , Simon Edmundson
CPC分类号： E21B49/088 , E21B43/38 , E21B49/10 , E21B49/0875
摘要： This disclosure relates to a separating a fluid having multiple phases during formation testing. For example, certain embodiments of the present disclosure relate to receiving contaminated formation fluid on a first flow line and separating a contamination (e.g., mud filtrate) from the formation fluid by diverting the relatively heavier and/or denser fluid (e.g., the mud filtrate) downward through a second flow line and diverting the relatively lighter and/or less dense fluid upward through a third flow line. In some embodiments, the third flow line is generally oriented upwards at a height that may facilitate the separation of the heavier fluid from the relatively lighter fluid based on gravity and/or pumps.
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公开(公告)号：US20230313674A1
公开(公告)日：2023-10-05
申请号：US18330134
申请日：2023-06-06
CPC分类号： E21B47/06 , E21B49/10 , E21B49/087 , E21B49/008
摘要： An apparatus comprises a formation tester tool to be positioned in a borehole within a formation, wherein the formation tester tool comprises a pressure sensor and a pad that is radially extendable with respect to an axis of the formation tester tool, and wherein the pressure sensor is inside the pad. The apparatus comprises a first radially extendable inner packer that is axially above the pad with respect to the axis of the formation tester tool and a second radially extendable outer packer that is axially above the first radially extendable inner packer. The apparatus comprises a third radially extendable inner packer that is axially below the pad with respect to the axis of the formation tester tool and a fourth radially extendable outer packer that is axially below the third radially extendable inner packer.
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8.发明公开公开(公告)号：US20230296019A1
公开(公告)日：2023-09-21
申请号：US18138451
申请日：2023-04-24
发明人： Sandip Maity , Otto Fanini , Dwight Swett , Rocco DiFoggio , Mohamed Nabil Noui-Mehidi , Jana Mohamed Aljindan
IPC分类号： E21B49/10 , G01N21/552 , G01N21/64 , G01N29/036
CPC分类号： E21B49/10 , G01N21/552 , G01N21/645 , G01N29/036 , E21B49/0875
摘要： A downhole fluid analysis system includes an optical sensor comprising, which includes a light source configured to emit light comprising a plurality of wavelengths, a light detector, and an optical tip through which at least a portion of the light travels and returns to the detector, wherein the incident angle of the light causes total internal reflection within the optical tip. The system further includes a piezoelectric helm resonator that generates a resonance response in response to an applied current, and an electromagnetic spectroscopy sensor positioned symmetrically with respect to the piezoelectric helm resonator in at least one direction. The light may be reflected in the optical tip at one or more reflection points, and each reflection point may generate an evanescent wave in a medium surrounding the optical tip. The light may be internally reflected in the optical tip at a plurality of reflection points.
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公开(公告)号：US20230203945A1
公开(公告)日：2023-06-29
申请号：US18177049
申请日：2023-03-01
发明人： Mark Anton Proett , Christopher Michael Jones , Michel Joseph LeBlanc , Anthony Herman van Zuilekom , Mehdi Alipour Kallehbasti
CPC分类号： E21B49/008 , E21B47/06 , E21B47/07 , E21B47/10 , E21B49/10 , E21B49/081 , E21B47/12
摘要： A test tool attached to test string comprising a fluid conduit is deployed to a test position within a wellbore. The deployment includes hydraulically isolating a portion of the wellbore proximate the test tool to form an isolation zone containing the test position. A fluid inflow test is performed within the isolation zone and an initial formation property and a fluid property are determined based on the fluid inflow test. A fluid injection test is performed within the isolation zone including applying an injection fluid through the test string into the isolation zone, wherein the flow rate or pressure of the injection fluid application is determined based, at least in part, on the at least one of the formation property and fluid property.
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公开(公告)号：US11686193B2
公开(公告)日：2023-06-27
申请号：US17833201
申请日：2022-06-06
CPC分类号： E21B47/06 , E21B49/008 , E21B49/087 , E21B49/10
摘要： A method includes positioning a formation tester tool into a borehole formed within a formation and radially expanding a first and second radially extendable packers of the formation tester tool out from the formation tester tool to the formation to form a sealed volume between the first radially extendable packer and the second radially extendable packer. The method includes radially extending a pad of the formation tester tool that is positioned between the first radially extendable packer and the second radially extendable packer to form a sealed connection volume between the formation and a pressure sensor within the pad. The method includes acquiring a first pressure measurement, using the pressure sensor, from fluids in the sealed connection volume and extracting fluid from the sealed volume to reduce pressure around the pad. The method includes acquiring a second pressure measurement, using the pressure sensor, from fluids in the sealed connection volume.
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