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公开(公告)号：US20240345281A1
公开(公告)日：2024-10-17
申请号：US18299184
申请日：2023-04-12
发明人： Natasa Mekic , Richard Pemper
IPC分类号： G01V5/10
CPC分类号： G01V5/102
摘要： Methods and systems for determining bulk density and/or neutron porosity of a formation are described herein. The methods and systems use a pulsed neutron (PN) tool and may be performed with a tool having a single gamma detector though tools with multiple detectors may be used as well. The PN tool may be a geochemical logging tool. The methods and systems involve partitioning the time spectrum into pluralities of bins that are indicative of non-clay mineral elements and of shale/clay to the overall bulk density.
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公开(公告)号：US20240295166A1
公开(公告)日：2024-09-05
申请号：US18177079
申请日：2023-03-01
发明人： Bryan Paulet
CPC分类号： E21B43/26 , E21B23/0418 , E21B47/09
摘要： A tool counts the number of radial restrictions or seats in a series of frac valves along a completion string. At a pre-selected count, the tool radially expands a landing mechanism and lands on the next-reached frac valve.
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公开(公告)号：US12081153B2
公开(公告)日：2024-09-03
申请号：US18222643
申请日：2023-07-17
发明人： Mohammed S. Arefeen
CPC分类号： H02P27/06 , H02J7/0063
摘要： An electrical ride-through (ERT) unit is configured to apply a voltage to a drive circuit during disruptions of line voltage to the drive circuit. The ERT unit includes a capacitor on an ERT circuit that is prevented from applying the voltage to the drive circuit during normal operation of the drive circuit and applies the voltage to the drive circuit during a voltage drop on the drive circuit.
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公开(公告)号：US12055030B2
公开(公告)日：2024-08-06
申请号：US17740739
申请日：2022-05-10
发明人： Jose D. Brana , Ademola A. Ajibade , Brian Mickens
摘要： A method can include determining that measured outputs of first and second sensors are correlated, calculating a second sensor output based on the measured first sensor output, and in response to a loss of the measured second sensor output or a failure of an item of equipment, controlling a drilling operation based on the calculated second sensor output. A control system can include a statistical model that determines a correlation between measured outputs of first and second sensors, and calculates a calculated second sensor output based on the measured first sensor output, a controller that controls the drilling operation, and a hydraulics model that determines how the drilling operation should be controlled to achieve a desired objective, and determines, based on the calculated second sensor output, how the drilling operation should be controlled, in response to a loss of the measured second sensor output or an equipment failure.
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公开(公告)号：US20240241284A1
公开(公告)日：2024-07-18
申请号：US18153463
申请日：2023-01-12
发明人： Gregory Schmid
IPC分类号： G01V5/10
CPC分类号： G01V5/102
摘要： Methods, tools, and systems for determining CO2 saturation in a porous formation using pulsed neutron logging are described. Embodiments of a pulsed neutron logging tool feature a pulsed neutron generator configured to emit pulsed neutrons into the formation and at least two detectors configured to receive emitted photons. The first detector is located closer to the neutron generator than the second detector. Embodiments of the method involve determining first detector formation capture counts indicative of neutron capture photons originating from the formation and detected at the first detector, determining second detector borehole capture counts indicative of neutron capture photons originating from the borehole and detected at the second detector, using the first detector formation capture counts and the second detector borehole capture counts to estimate the saturation of CO2 in the formation.
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公开(公告)号：US20240200413A1
公开(公告)日：2024-06-20
申请号：US18066258
申请日：2022-12-14
IPC分类号： E21B19/16 , E21B3/02 , E21B17/042 , G05B13/02
CPC分类号： E21B19/166 , E21B3/022 , E21B17/042 , E21B19/161 , G05B13/027 , E21B2200/22
摘要： A method of controlling make-up of a threaded connection can include training an artificial intelligence, inputting data to the artificial intelligence during the threaded connection make-up, the artificial intelligence thereby determining a shoulder point during the threaded connection make-up, and controlling application of torque to the threaded connection, based in part on the determined shoulder point. A system for controlled make-up of a threaded connection can include a torque application device configured to apply torque and rotation to the threaded connection, and a control system comprising a controller and an artificial intelligence. The controller may be configured to control operation of the torque application device, and the artificial intelligence may be adapted to determine a shoulder point of the threaded connection during the make-up of the threaded connection.
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公开(公告)号：US20240167353A1
公开(公告)日：2024-05-23
申请号：US17989324
申请日：2022-11-17
发明人： Shawn J. Treadaway
IPC分类号： E21B23/06 , E21B33/129
CPC分类号： E21B23/06 , E21B33/1293
摘要： A downhole tool, such as a bridge plug, has a carrier disposed on the tool between the opposing cones. Slips are disposed adjacent to the tool between the carrier and the cones. One arrangement has a proximal end of each slip connected by a linkage configured to articulate the proximal end relative to the carrier, while a distal end of each slip is configured to engage the cone opposed thereto. The linkage can be a linkage hingedly connected between the slip's proximal end and the carrier. Alternatively, the linkage can be a leaf spring flexibly connected between the slip's proximal end and the carrier. Another arrangement has linkages hingedly connected to the carrier and hingedly connected toward opposing ends of each slip. The linkages articulate the slip relative to the carrier while the ends of the slip engage the opposing cones.
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公开(公告)号：US11988064B2
公开(公告)日：2024-05-21
申请号：US17479032
申请日：2021-09-20
发明人： Paul R. Northam , Walter S. Dillard
CPC分类号： E21B34/025 , E21B21/10 , E21B34/16 , F16K31/047 , E21B21/08 , E21B2200/02
摘要： An apparatus can include a choke with a flow restrictor having at least two positions, a flow coefficient Cv of the choke with the flow restrictor in one position being less than with the flow restrictor in the other position, and an operational device that displaces the flow restrictor at a variable actuation rate, the actuation rate with the flow restrictor in one position being less than with the flow restrictor in the other position. A method can include displacing a flow restrictor, thereby decreasing a flow coefficient Cv of a choke, and decreasing a rate of change of the flow coefficient Cv in response to decreasing the flow coefficient Cv. A drilling system can include a choke with a flow restrictor, and a continuously variable transmission which causes an actuation rate to vary based on a position of the flow restrictor.
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公开(公告)号：US11970915B2
公开(公告)日：2024-04-30
申请号：US17858941
申请日：2022-07-06
发明人： Martin Liess , Georg Zimbelmann
IPC分类号： E21B19/10
CPC分类号： E21B19/10
摘要： A tubular gripping assembly for handling a tubular includes a housing; a plurality of gripping members for gripping the tubular; a first fluid line for opening the gripping members, the first fluid line having a one-way valve; and second fluid line for closing the gripping members. The tubular gripping assembly also includes an indicator assembly attached to the housing. The indicator assembly has an indicator movable relative to the housing. The indicator assembly also includes a sensor valve configured to open the check valve for fluid communication through the first fluid line in response to relative axial movement between the indicator and the housing.
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公开(公告)号：US11933117B2
公开(公告)日：2024-03-19
申请号：US16894554
申请日：2020-06-05
IPC分类号： E21B19/086 , E21B19/06 , E21B19/16
CPC分类号： E21B19/086 , E21B19/06 , E21B19/16
摘要： A tubular handling assembly includes an elevator and a tubular compensator assembly. The tubular compensator assembly includes a housing; a lift member coupled to the housing; a support member; and an actuator for moving the housing and the lift member relative to the support member and the elevator.
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