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公开(公告)号：US11230916B2
公开(公告)日：2022-01-25
申请号：US16503695
申请日：2019-07-05
发明人： Yang Chen , Charles Deible , Corey Ray
IPC分类号： E21B47/09 , E21B33/072 , G01V1/40 , E21B43/26 , G01V11/00 , E21B47/12 , E21B47/107 , E21B33/068
摘要： A technique facilitates use of tools downhole during well operations. According to an embodiment, the technique employs a frac stack which may be coupled to a wellhead. The frac stack may include a flow control device which opens and closes a bore extending through the wellhead. A lubricator may be coupled to the frac stack. The lubricator includes a tool trap which opens and closes to facilitate controlled movement of a tool along the bore. A tool position detection system is used to detect a position of the tool in the tool trap to ensure, for example, removal of the tool from the frac stack before closure of the flow control device.
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公开(公告)号：US11814939B2
公开(公告)日：2023-11-14
申请号：US17755071
申请日：2020-10-23
发明人： Mark Viator , Yang Chen , Payal Desai , Aleem Aman Khokhar , Nivedita Sharma , Jeffery Traylor
CPC分类号： E21B43/2607 , E21B34/02 , F16N11/00 , F16N13/22 , F16N2250/04 , F16N2250/40 , F16N2280/00
摘要： A technique facilitates greasing of valves on a well tree, e.g. a frac tree, according to a simple process which enables selected, individual valves to be greased when desired. In some applications, the greasing process may be automated and controlled via a greasing control system. According to an embodiment, a greasing system is connected with grease ports at a plurality of actuatable valves located in a well tree. The greasing system has a plurality of grease valves which may be associated with each of the actuatable valves, e.g. with each of the grease ports. A pump is used to pump grease to the grease valves and the grease valves are selectively actuated to open positions to provide controlled greasing of desired actuatable valves so as to remove debris from and to lubricate selected actuatable valves.
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公开(公告)号：US20220290547A1
公开(公告)日：2022-09-15
申请号：US17755071
申请日：2020-10-23
发明人： Mark Viator , Yang Chen , Payal Desai , Aleem Aman Khokhar , Nivedita Sharma , Jeffery Traylor
摘要： A technique facilitates greasing of valves on a well tree, e.g. a frac tree, according to a simple process which enables selected, individual valves to be greased when desired. In some applications, the greasing process may be automated and controlled via a greasing control system. According to an embodiment, a greasing system is connected with grease ports at a plurality of actuatable valves located in a well tree. The greasing system has a plurality of grease valves which may be associated with each of the actuatable valves, e.g. with each of the grease ports. A pump is used to pump grease to the grease valves and the grease valves are selectively actuated to open positions to provide controlled greasing of desired actuatable valves so as to remove debris from and to lubricate selected actuatable valves.
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公开(公告)号：US20200011168A1
公开(公告)日：2020-01-09
申请号：US16503695
申请日：2019-07-05
发明人： Yang Chen , Charles Deible , Corey Ray
摘要： A technique facilitates use of tools downhole during well operations. According to an embodiment, the technique employs a frac stack which may be coupled to a wellhead. The frac stack may include a flow control device which opens and closes a bore extending through the wellhead. A lubricator may be coupled to the frac stack. The lubricator includes a tool trap which opens and closes to facilitate controlled movement of a tool along the bore. A tool position detection system is used to detect a position of the tool in the tool trap to ensure, for example, removal of the tool from the frac stack before closure of the flow control device.
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公开(公告)号：US20240044236A1
公开(公告)日：2024-02-08
申请号：US18489207
申请日：2023-10-18
发明人： Mark Viator , Yang Chen , Payal Desai , Aleem Aman Khokhar , Nivedita Sharma , Jeffery Traylor
CPC分类号： E21B43/2607 , E21B34/02 , F16N11/00 , F16N13/22 , F16N2250/04 , F16N2250/40 , F16N2280/00
摘要： A technique facilitates greasing of valves on a well tree, e.g. a frac tree, according to a simple process which enables selected, individual valves to be greased when desired. In some applications, the greasing process may be automated and controlled via a greasing control system. According to an embodiment, a greasing system is connected with grease ports at a plurality of actuatable valves located in a well tree. The greasing system has a plurality of grease valves which may be associated with each of the actuatable valves, e.g. with each of the grease ports. A pump is used to pump grease to the grease valves and the grease valves are selectively actuated to open positions to provide controlled greasing of desired actuatable valves so as to remove debris from and to lubricate selected actuatable valves.
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