IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0940732
(2013-07-12)
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등록번호 |
US-9274022
(2016-03-01)
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발명자
/ 주소 |
- Heaton, John G.
- Wells, Elizabeth L.
|
출원인 / 주소 |
- Halliburton Energy Services, Inc.
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
6 |
초록
▼
Diagnostic system for bulk well material handling plants that includes multiple fluid flow pathways to transport well materials. The bulk well material handling system includes multiple connections, each connected to a fluid flow pathway. The system also includes a control system connected to the mu
Diagnostic system for bulk well material handling plants that includes multiple fluid flow pathways to transport well materials. The bulk well material handling system includes multiple connections, each connected to a fluid flow pathway. The system also includes a control system connected to the multiple connections and adapted to automatically operate one or more connections of the multiple connections to a fluid flow pathway to analyze a pneumatic integrity of the fluid flow pathway in the bulk material handling system.
대표청구항
▼
1. A system comprising: a bulk well material handling system comprising a plurality of fluid flow pathways to transport materials therethrough;a plurality of connections connected to the plurality of fluid flow pathways of the bulk well material handling system; anda control system connected to the
1. A system comprising: a bulk well material handling system comprising a plurality of fluid flow pathways to transport materials therethrough;a plurality of connections connected to the plurality of fluid flow pathways of the bulk well material handling system; anda control system connected to the plurality of connections and adapted to automatically operate one or more connections of the plurality of connections to a fluid flow pathway to analyze a pneumatic integrity of the plurality of fluid flow pathways in the bulk well material handling system by collecting data from the plurality of connections responsive to the operating. 2. The system of claim 1, wherein the bulk well material handling system includes: a scale tank to receive a first dry material and a second dry material through a first fluid flow pathway and a second fluid flow pathway to weigh a quantity of the first dry material and a quantity of the second dry material, and to blend the first dry material and the second dry material using at least one of multiple transfers, blades, ribbons, plows, induced turbulence or tumbling; anda blend tank pneumatically connected to the scale tank through a third fluid flow pathway to receive the first dry material and the second dry material from the scale tank to blend the received first dry material and the received second dry material, andwherein the control system is connected to each of the first fluid flow pathway, the second fluid flow pathway, and the third fluid flow pathway and adapted to automatically operate one or more respective connections to each of the first fluid flow pathway, the second fluid flow pathway, and the third fluid flow pathway to analyze the pneumatic integrity of the first fluid flow pathway, the second fluid flow pathway, and the third fluid flow pathway. 3. The system of claim 2, wherein, to automatically operate the one or more respective connections to each of the first fluid flow pathway, the second fluid flow pathway, and the third fluid flow pathway, the control system is adapted to: raise a pressure in the scale tank to a pre-determined test pressure;close the first fluid flow pathway, the second fluid flow pathway, and the third fluid flow pathway; andmonitor the scale tank for a decrease in the pressure relative to the pre-determined test pressure. 4. The system of claim 3, wherein the control system is further adapted to: determine a decrease in a pressure relative to the pre-determined test pressure in response to monitoring the scale tank; andin response to determining the decrease, determine whether the decrease is due to a leak in the first fluid flow pathway, the second fluid flow pathway, the third fluid flow pathway, or an outlet to atmosphere. 5. The system of claim 4, wherein the first fluid flow pathway, the second fluid flow pathway, and the third fluid flow pathway include a first valve through which the first dry material is flowed into the scale tank, a second valve through which the second dry material is flowed into the scale tank, and a third valve through which a blend of the first dry material and the second dry material is flowed from the scale tank into the blend tank, and wherein, to determine that the decrease in the pressure relative to the pre-determined test pressure is due to a leak in the first valve or in the second valve, the control system is adapted to determine an absence of a leak in the third valve and an outlet to the atmosphere. 6. The system of claim 5, wherein, to determine that the decrease in the pressure relative to the pre-determined test pressure is due to a leak in the third valve, the control system is adapted to: determine the absence of a leak in the remainder of the bulk well material handling system; anddetermine an absence of a leak in either the first valve or the second valve. 7. The system of claim 2, wherein to automatically operate the one or more respective connections to each of the first fluid flow pathway, the second fluid flow pathway, and the third fluid flow pathway, the control system is adapted to: raise a pressure in the scale tank to a pre-determined test pressure;vent the pressure in the scale tank through the third fluid flow pathway; andmonitor a time for the pressure to vent through the third fluid flow pathway. 8. The system of claim 7, wherein the control system is adapted to: determine that a time for the pressure to vent through the third fluid flow pathway from the scale tank to the blend tank is greater than a threshold time; andin response to determining that the time is greater than the threshold time, determine that the third fluid flow pathway is clogged or that there is a vent restriction in the blend tank. 9. The system of claim 8, wherein the threshold time is determined based on previous instances of venting pressure through the third fluid flow pathway. 10. The system of claim 2, wherein to automatically operate the one or more respective connections to each of the first fluid flow pathway and the second fluid flow pathway, the control system is adapted to: raise a pressure in the scale tank to pressurize the first fluid flow pathway and the second fluid flow pathway to a pre-determined pressure;vent the pressure in the scale tank to the atmosphere; andmonitor a time for the pressure in the first and second fluid flow pathways to vent to the atmosphere to determine if there are restrictions in the first and second fluid flow pathways. 11. The system of claim 1, wherein the bulk well material handling system includes a plurality of manifolds through which fluid is supplied to the plurality of fluid flow pathways, and wherein, to automatically operate the one or more respective connections to the fluid flow pathway, the control system is adapted to: cause fluid to be flowed through the plurality of manifolds;monitor the plurality of manifolds for decreases in pressure;upon determining decreases in pressure in the plurality of manifolds, isolate each fluid flow pathway of the plurality of fluid flow pathways to determine a fluid flow pathway through which fluid is leaking. 12. The system of claim 1, wherein the bulk well material handling system includes a plurality of dust collectors connected to one or more fluid flow pathways, each dust collector connected to a differential pressure transducer to monitor a differential pressure across the dust collector filters, and, wherein, the control system is further adapted to: cause the plurality of dust collectors to be shaken or back-flushed for cleaning for a specified period of time;cause fluid to be flowed through the plurality of dust collectors; andfor each dust collector, monitor a respective differential pressure measured by the differential pressure transducer. 13. The system of claim 1, wherein the bulk well material handling system includes a plurality of compressors connected to one or more fluid flow pathways, and wherein the control system is further adapted to: cause a pressure in one or more tanks connected to the plurality of compressors to be increased to a pre-determined test pressure; andmonitor the one or more tanks for a decrease in the pressure relative to the pre-determined pressure; andmonitor the time to pressurize to a pre-determined pressure, comparing against a previously determined threshold time. 14. The system of claim 1, wherein, to analyze the pneumatic integrity of a fluid flow pathway, the control system is adapted to: maintain a history of threshold pressures and threshold rates of pressure decreases in the plurality of fluid flow pathways, wherein the threshold pressures and the threshold rates of pressure decreases were determined during past operations of the bulk well material handling system; andcompare pressures and rates of pressure decreases in the plurality of fluid flow pathways with the threshold pressures and the threshold rates of pressure decreases, respectively. 15. A method for analyzing the pneumatic integrity of a plurality of fluid flow pathways in a bulk well material handling system, the method comprising: automatically operating, by data processing apparatus, a plurality of connections, each connection connected to a fluid flow pathway of a plurality of fluid flow pathways to transport materials through a bulk well material handling system; andanalyzing, by the data processing apparatus, the pneumatic integrity of the plurality of fluid flow pathways in the bulk well material handling system by collecting data from the plurality of connections responsive to the operating. 16. The method of claim 15, wherein, to analyze the pneumatic integrity of a first fluid flow pathway to transport a first dry material to a scale tank, a second fluid flow pathway to transport a second dry material to the scale tank, and a third fluid flow pathway to transport the first dry material and the second dry material from the scale tank to a blend tank, the method further comprises: raising a pressure in the scale tank to a pre-determined test pressure;closing the first fluid flow pathway, the second fluid flow pathway, and the third fluid flow pathway;monitoring the scale tank for a decrease in the pressure relative to the pre-determined test pressure;determining a decrease in the pressure relative to the pre-determined test pressure in response to monitoring the scale tank;in response to determining the decrease in the pressure relative to the pre-determined test pressure, determining whether the decrease in the pressure is due to a leak in the first fluid flow pathway, the second fluid flow pathway or the third fluid flow pathway. 17. The method of claim 15, wherein, to analyze the pneumatic integrity of a first fluid flow pathway to transport a first dry material to a scale tank, a second fluid flow pathway to transport a second dry material to the scale tank, the method further comprises: venting a scale tank pressure;flowing air from an air manifold through the first fluid flow pathway to the scale tank;monitoring a pressure in each of the air manifold, the first fluid flow pathway and the scale tank;determining that a pressure differential between the air manifold, the first fluid flow pathway and the scale tank do not satisfy pre-determined thresholds; anddetermining that the first fluid flow pathway is restricted or plugged,and wherein, to analyze the pneumatic integrity of a third fluid flow pathway to transport the first dry material and the second dry material from the scale tank to a blend tank, the method further comprises:raising a pressure in the scale tank to a pre-determined test pressure;venting the pressure in the scale tank through the first fluid flow pathway, the second fluid flow pathway, and the third fluid flow pathway;monitoring a time for the pressure to vent through the first fluid flow pathway, the second fluid flow pathway, and the third fluid flow pathway;determining that a time for the pressure to vent through the third fluid flow pathway from the scale tank to the blend tank is greater than a threshold time; anddetermining that the third fluid flow pathway is restricted or plugged. 18. The method of claim 15, wherein the bulk well material handling system includes a manifold through which a dry material is transported from a storage tank to a scale tank, and wherein, to analyze the pneumatic integrity of the manifold, the method further comprises: causing air to be flowed through a common storage aeration manifold that is connected to the manifold through which the dry material is transported from the storage tank to the scale tank;closing all valves connected to the common storage aeration manifold, other than the air supply valve or valves, to increase a pressure in the common storage aeration manifold;identifying a plurality of valves that are connected to the common storage aeration manifold, and sequentially opening the plurality of valves, one valve at a time, monitoring the common storage aeration manifold pressures at certain locations;identifying the stable pressures at the certain locations in the common storage aeration manifold and comparing with pre-determined stable pressures at the certain locations; andin response to identifying any unacceptable variations of the stable pressures relative to the pre-determined stable pressures, isolating and identifying a restricted portion or portions of the manifold and/or malfunctioning valve or valves that are connected to the common storage aeration manifold. 19. A non-transitory computer-readable medium storing instructions executable by data processing apparatus to perform operations comprising: automatically operating, by data processing apparatus, a plurality of connections, each connection connected to a fluid flow pathway of a plurality of fluid flow pathways to transport materials through a bulk well material handling system; andanalyzing, by the data processing apparatus, a pneumatic integrity of the plurality of fluid flow pathways in the bulk well material handling system by collecting data from the plurality of connections responsive to the operating. 20. The medium of claim 19, wherein, to analyze the pneumatic integrity of a first fluid flow pathway to transport a first dry material to a scale tank, a second fluid flow pathway to transport a second dry material to the scale tank, and a third fluid flow pathway to transport the first dry material and the second dry material from the scale tank to a blend tank, the operations further comprise: raising a pressure in the scale tank to a pre-determined test pressure;closing the first fluid flow pathway, the second fluid flow pathway, and the third fluid flow pathway;monitoring the scale tank for a decrease in the pressure relative to the pre-determined test pressure;determining a decrease in the pressure relative to the pre-determined test pressure in response to monitoring the scale tank;in response to determining the decrease in the pressure relative to the pre-determined test pressure, determining whether the decrease in the pressure is due to a leak in the first fluid flow pathway, the second fluid flow pathway or the third fluid flow pathway.
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