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Piston-type volumetric fluid metering device and metering method

A metering device and volumetric technology, applied in volume change compensation/correction devices, shrinkage/expansion chambers, etc., can solve problems such as large errors in manual chi-square measurement methods, large safety and environmental hazards, and large manpower and material resources. Avoid manpower and material resources, reduce maintenance costs, and have high safety effects

Pending Publication Date: 2019-11-19
西安德汇石油开发科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention solves the problem that a large amount of manpower and material resources are consumed when the traditional manual chi-square measurement method of the oil storage tank is used to measure the oil well output fluid, and there is a relatively large safety and environmental protection hazard when the measured output fluid is transported by a car. The error of the square measurement method is relatively large, and at the same time solve the problem of liquid production measurement in the upper tank well and the pipe delivery well, and propose a piston type volumetric fluid measurement device and measurement method

Method used

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  • Piston-type volumetric fluid metering device and metering method

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specific Embodiment approach 1

[0028] Specific implementation mode one: combine figure 1 To illustrate this embodiment, a piston-type volumetric fluid metering device described in this embodiment includes a cylinder body 1, a piston 2, a No. 1 cylinder head 3, a No. 2 cylinder head 4, a No. Positioning part 6, seal 7, No. 1 triggering part 8, No. 2 triggering part 9, No. 1 in-position detection part 11, No. 2 in-position detection part 13, No. 1 infusion tube 14, No. 2 infusion tube 15, incoming liquid tube 16 , No. 1 three-way valve 19, No. 2 three-way valve 20, liquid outlet pipe 21, No. 1 air pipe 22, No. 2 air pipe 23, No. 1 liquid level sensor 24, No. 2 liquid level sensor 25, No. 1 two-way Valve 26, No. 2 two-way valve 27, exhaust pipe 28, one-way valve 29 and control center 30;

[0029] The two ends of the cylinder body 1 are respectively provided with a No. 1 cylinder head 3 and a No. 2 cylinder head 4. The center of the No. 1 cylinder head 3 is provided with a No. 1 in-position detection component...

specific Embodiment approach 2

[0033] Specific implementation mode two: combination figure 1 Describe this embodiment, this embodiment is a further limitation of the metering device described in the first embodiment, a piston type volumetric fluid metering device described in this embodiment, the No. 2 in-position detection component 13 described The casing is covered with a No. 2 protective casing 12;

[0034] In this specific embodiment, the No. 2 in-position detection component 13 is used with a No. 2 protective case 12 on the outer shell, in order to protect the No. 2 in-position detection component 13 and has a waterproof function.

specific Embodiment approach 3

[0035] Specific implementation mode three: combination figure 1 Describe this embodiment. This embodiment is a further limitation on the metering device described in Embodiment 1. In this embodiment, a piston-type volumetric fluid metering device, the No. 1 in-position detection component 11 described There is a No. 1 protective case 10 on the casing;

[0036] In this specific embodiment, the No. 1 in-position detection component 11 is covered with a No. 1 protective case 10 , in order to protect the No. 1 in-position detection component 11 , and has a waterproof function.

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Abstract

A piston-type volumetric fluid metering device and a metering method relate to the metering field of the produced fluid of oil wells, and are used to solve the problem that the traditional oil tank manual chi-square metering method consumes a lot of manpower and material resources in the metering of the produced fluid of oil wells, has a big hidden danger of safety and environmental protection inthe vehicle-based transportation of produced fluid after metering and has large error and the problem on how to meter the produced liquid of a pouring-type oil well and a pipeline transportation oil well. The automatic control of the device is realized by connecting a control center with all detection elements. The volume of the produced fluid of an oil well is recorded, and the phenomenon of consumption of a lot of manpower and material resources is avoided. A piston-type metering approach is adopted. Because the volume of the cylinder block is fixed, the produced fluid of the oil well is injected into the cylinder block, and a metering unit filled with liquid is formed through reciprocating motion of the piston, the approach can greatly reduce the metering error. The piston-type volumetric fluid metering device and the metering method of the invention are applicable to the metering of the produced fluid of oil wells.

Description

technical field [0001] The invention relates to the metering field of oil well output fluid, in particular to a piston type volumetric fluid metering device and a metering method. Background technique [0002] At this stage, there are mainly three methods of measuring oil well produced fluid in my country's oilfields: manual chi-square measurement of oil storage tanks, tipping bucket measurement and mass flow meter measurement. At present, the traditional manual chi-square metering method for oil storage tanks is generally used, which consumes a lot of manpower, material resources and financial resources, and the measured liquid needs to be transported to the joint station by car, which has great potential safety hazards; and the tipping bucket metering method is due to The complexity and intermittency of oil well production fluid, as well as the disadvantages of its own structure, lead to large measurement errors; and mass flowmeters are difficult to be widely used in oil w...

Claims

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Application Information

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IPC IPC(8): G01F11/04
CPCG01F11/04
Inventor 佘舸
Owner 西安德汇石油开发科技有限公司
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