Metering device for liquid production capacity of oil production wellhead of oil field

Abstract

The utility model provides an oil field oil extraction wellhead liquid production capacity metering device, and relates to the technical field of oil extraction metering. An oil field oil extraction wellhead liquid production capacity metering device comprises a metering assembly, the metering assembly comprises a supporting frame, a metering cylinder, a collection hopper and a fluid meter, the metering cylinder is arranged on the supporting frame, an oil inlet hole is formed in the top of the metering cylinder, an oil outlet is formed in the side, away from the oil inlet hole, of the metering cylinder, and the input end of the collection hopper is arranged on the metering cylinder; the collecting hopper is communicated with the oil outlet, and the fluid meter is arranged at the output end of the collecting hopper; the filtering assembly comprises a filtering cylinder and a conveying auger, the filtering cylinder is arranged in the metering cylinder, the conveying auger is rotationally arranged in the filtering cylinder, and an oil inlet communicated with the oil inlet hole is formed in the filtering cylinder. Petroleum raw materials pumped out of an oil well can be filtered through the filtering assembly, then the volume of the petroleum raw materials is measured through the metering assembly, and finally the accurate volume value and cleaner petroleum raw materials are obtained.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil production measurement technical field, specifically, relate to a kind of oilfield production wellhead liquid production measurement device. BACKGROUND

[0002] At present, the single well liquid production measurement methods mainly used in domestic oilfield include work diagram measurement, skip measurement, mass flow meter and pry measurement vehicle, in the prior art, the water wave generated during oil delivery can cause the liquid level meter to float up and down, resulting in inaccurate measurement, and after crude oil delivery, some solid impurities are left, which can affect the purity of crude oil and is not conducive to subsequent processing and use. UTILITY MODEL CONTENT

[0003] The utility model discloses a kind of oilfield production wellhead liquid production measurement devices, it can filter the petroleum raw material pumped out of oil well by filter assembly, then the volume measurement is carried out by measurement assembly, finally more accurate volume value and more clean petroleum raw material are obtained.

[0004] To solve the above technical problems, the utility model adopts the technical scheme that:

[0005] The oilfield production wellhead liquid production measurement device provided by the application comprises a measurement assembly, a filter assembly and a fluid meter.

[0006] In some embodiments of the utility model, one end of the measurement cylinder away from the oil outlet is provided with a slag discharge channel, and the slag discharge channel is communicated with the filter cylinder.

[0007] In some embodiments of the utility model, the output end of the slag discharge channel is provided with a material receiving tray.

[0008] In some embodiments of the utility model, the support frame is provided with a driving member, and the driving member is connected with the conveying auger.

[0009] In some embodiments of the utility model, the driving member is a servo motor, and the output end of the servo motor is connected with the conveying auger.

[0010] In some embodiments of the utility model, the measurement cylinder is provided with a feeding hopper, and the feeding hopper is communicated with the filter cylinder through the oil inlet.

[0011] In some embodiments of the utility model, the above-mentioned collecting hopper is a conical structure.

[0012] Compared with the prior art, the embodiments of the utility model have at least the following advantages or beneficial effects:

[0013] The embodiment of the application provides an oilfield production wellhead liquid production metering device, which comprises: a metering assembly, the metering assembly comprises a support frame, a metering cylinder, a collecting hopper and a fluid meter, the metering cylinder is arranged on the support frame, an oil inlet hole is formed in the top of the metering cylinder, an oil outlet is formed in the side of the metering cylinder away from the oil inlet hole, the input end of the collecting hopper is arranged on the metering cylinder, the collecting hopper is communicated with the oil outlet, and the fluid meter is arranged on the output end of the collecting hopper; a filtering assembly, the filtering assembly comprises a filtering cylinder and a conveying auger, the filtering cylinder is arranged in the metering cylinder, the conveying auger is rotatably arranged in the filtering cylinder, and an oil inlet hole communicated with the oil inlet hole is formed in the filtering cylinder.

[0014] The metering assembly is used for measuring the volume of the oil extracted from the oil well. The support frame is used for mounting and supporting the metering cylinder, so that the metering cylinder can stably guide the petroleum raw material. The metering cylinder is used for guiding the transportation of the petroleum, guiding the petroleum material to be conveyed into the collecting hopper, and then conveying the petroleum material to the fluid meter through the mobile phone integration of the collecting hopper for volume measurement. The filtering assembly is used for filtering and removing large particle impurities in the petroleum raw material. After the filtering operation, the petroleum liquid is measured, so that the petroleum measurement is more accurate, and the measurement accuracy can be greatly improved. The filtering cylinder is used for filtering the petroleum raw material. The large particle impurities remaining in the filtering cylinder are conveyed to the end of the filtering cylinder through the conveying auger, so that the filtering accuracy of the filtering cylinder can be ensured, and the filtering cylinder is prevented from being blocked.

[0015] Therefore, the oilfield production wellhead liquid production metering device can filter the petroleum raw material extracted from the oil well through the filtering assembly, then measure the volume of the petroleum raw material through the metering assembly, and finally obtain a more accurate volume value and cleaner petroleum raw material. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 It is a sectional view of the embodiment of the utility model;

[0018] Figure 2 It is Figure 1A local enlarged view of the middle A;

[0019] Figure 3 A side view of the embodiment of the present application.

[0020] Figure icon: 1 - support frame; 2 - metering cylinder; 3 - collecting hopper; 4 - fluid meter; 5 - filter cylinder; 6 - conveying auger; 7 - oil inlet hole; 8 - oil outlet; 9 - oil inlet; 10 - slag discharge channel; 11 - material receiving tray; 12 - driving member; 13 - feed hopper. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0023] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0024] EMBODIMENT

[0025] Please refer to Figures 1-3 , Figure 1 A sectional view of the embodiment of the present application is shown; Figure 2 A sectional view of the embodiment of the present application is shown; Figure 1 A local enlarged view of the middle A; Figure 3 A side view of the embodiment of the present application is shown.

[0026] Please refer to Figures 1-3The embodiment provides an oilfield production wellhead liquid production metering device, which comprises a metering assembly, the metering assembly comprising a support frame 1, a metering cylinder 2, a material collecting hopper 3 and a fluid meter 4, the metering cylinder 2 being arranged on the support frame 1, an oil inlet hole 7 being formed in the top of the metering cylinder 2, an oil outlet 8 being formed in the side of the metering cylinder 2 away from the oil inlet hole 7, the input end of the material collecting hopper 3 being arranged on the metering cylinder 2, the material collecting hopper 3 being communicated with the oil outlet 8, and the fluid meter 4 being arranged at the output end of the material collecting hopper 3; and a filtering assembly, the filtering assembly comprising a filtering cylinder 5 and a conveying auger 6, the filtering cylinder 5 being arranged in the metering cylinder 2, and the conveying auger 6 being rotatably arranged in the filtering cylinder 5, and the filtering cylinder 5 being provided with an oil inlet hole 9 communicated with the oil inlet hole 7.

[0027] In the embodiment, the metering assembly is used for measuring the volume of the oil extracted from the oil well. The support frame 1 is used for mounting and supporting the metering cylinder 2 to guide the oil raw material stably. The metering cylinder 2 is used for guiding the transportation of the oil and conveying the oil material into the material collecting hopper 3, and then the material collecting hopper 3 is used for integrating the conveying to the fluid meter 4 to measure the volume. The filtering assembly is used for filtering and removing the large-particle impurities in the oil raw material, and the oil liquid is measured after the filtering operation, so that the oil measurement is more accurate, and the measurement accuracy is greatly improved. The filtering cylinder 5 is used for filtering the oil raw material, and the large-particle impurities remaining in the filtering cylinder 5 are conveyed to the end of the filtering cylinder 5 by the conveying auger 6, so that the filtering accuracy of the filtering cylinder 5 can be ensured, and the filtering cylinder 5 is prevented from being blocked.

[0028] Please refer to Figure 1 In some embodiments of the embodiment, the end of the metering cylinder 2 away from the oil outlet 8 is provided with a residue discharging flow channel 10 communicated with the filtering cylinder 5.

[0029] In the embodiment, the residue discharging flow channel is used for discharging the large-particle impurities remaining in the oil raw material after passing through the filtering cylinder 5, so that the impurities can be discharged in real time, the filtering effect of the filtering cylinder 5 is ensured, and the filtering accuracy is improved.

[0030] Please refer to Figure 1 and Figure 3 In some embodiments of the embodiment, the output end of the residue discharging flow channel 10 is provided with a material receiving tray 11.

[0031] In the embodiment, the material receiving tray 11 is located directly below the output end of the residue discharging flow channel 10, so that the large-particle impurities can automatically fall into the material receiving tray 11 after passing through the residue discharging flow channel 10 due to the gravity of the impurities, the large-particle impurities are received and discharged by the material receiving tray 11, and the cleanliness of the working area is improved.

[0032] Please refer to Figure 1 and Figure 3In some embodiments of the present embodiment, the support frame 1 is provided with a driving member 12, which is connected with the conveying auger 6.

[0033] In the present embodiment, the driving member 12 is used to drive the conveying auger 6 to convey the impurities to the slag discharge channel, facilitating the discharge of the impurities, and improving the convenience of the impurity discharge.

[0034] Please refer to Figure 1 In some embodiments of the present embodiment, the driving member 12 is a servo motor, and the output end of the servo motor is connected with the conveying auger 6.

[0035] In the present embodiment, the servo motor refers to a motor that controls the operation of mechanical elements in a servo system, which is an auxiliary motor indirect speed changing device. The servo motor can control the speed and the position accuracy is very accurate, and can convert the voltage signal into torque and speed to drive the control object. The servo motor rotor speed is controlled by the input signal and can quickly respond, and is used as an execution element in an automatic control system, and has the characteristics of small electromechanical time constant and high linearity. The excellent control accuracy of the servo motor is an ideal material for the driving member 12, but it is not limited to the servo motor, and other materials with similar performance can also be used.

[0036] Please refer to Figure 1 In some embodiments of the present embodiment, the metering cylinder 2 is provided with a feed hopper 13, which is communicated with the filter cylinder 5 through the oil inlet 9.

[0037] In the present embodiment, the feed hopper 13 is used to guide the oil conveyed into the filter cylinder 5, so as to avoid the oil reaching the material collecting hopper 3 through the gap between the filter cylinder 5 and the metering cylinder 2, and further avoid the impurities reaching the fluid meter 4 through the gap between the two.

[0038] Please refer to Figure 1 and Figure 3 In some embodiments of the present embodiment, the material collecting hopper 3 has a conical structure.

[0039] In the present embodiment, the material collecting hopper 3 has a conical structure, which increases the diameter of the oil entering through the large-diameter cone, and guides the oil into the fluid meter 4 for metering.

[0040] In summary, the embodiment of the utility model provides a kind of oilfield production wellhead liquid production metering device, comprising: metering component, metering component includes support frame 1, metering cylinder 2, material collecting hopper 3 and fluid meter 4, metering cylinder 2 is set on support frame 1, metering cylinder 2 top is equipped with oil inlet hole 7, metering cylinder 2 is equipped with oil outlet 8 on the side away from oil inlet hole 7, the input end of material collecting hopper 3 is set on metering cylinder 2, material collecting hopper 3 and oil outlet 8 are communicated, and fluid meter 4 is set on the output end of material collecting hopper 3;Filtering component, filtering component includes filter cylinder 5 and conveying auger 6, filter cylinder 5 is set in metering cylinder 2, conveying auger 6 is rotatably set in filter cylinder 5, and oil inlet 9 is equipped on filter cylinder 5 and communicated with oil inlet hole 7.The above-mentioned metering component is used to measure the volume of the oil extracted from the oil well.The above-mentioned support frame 1 is used to install and support the above-mentioned metering cylinder 2, so as to guide the petroleum raw material stably.The above-mentioned metering cylinder 2 is used to guide the transportation of petroleum, and the petroleum material is guided and conveyed into the material collecting hopper 3, and then integrated by the mobile phone of the material collecting hopper 3 and conveyed to the fluid meter 4 for volume measurement.The above-mentioned filtering component is used to filter and remove large particles in the petroleum raw material, and the petroleum liquid is measured after filtering operation, so that the petroleum measurement is more accurate, and the measurement accuracy can be greatly improved.The above-mentioned filter cylinder 5 is used to filter the petroleum raw material, and the large particles remaining in the filter cylinder 5 are conveyed to the end of the filter cylinder 5 by the conveying auger 6, so as to ensure the filtering accuracy of the filter cylinder 5 and avoid blockage.Therefore, the oilfield production wellhead liquid production metering device can filter the petroleum raw material extracted from the oil well by the filtering component, then measure the volume by the metering component, finally obtain more accurate volume value and cleaner petroleum raw material.

[0041] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and the utility model can have various changes and changes for the person skilled in the art.Any modification, equivalent replacement, improvement, etc., within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. An oilfield wellhead production flow metering device, characterized by, The utility model relates to a kind of oil filter, including: Metering assembly, the metering assembly includes support frame, metering cylinder, aggregate hopper and fluid meter, the metering cylinder is set on the support frame, oil inlet hole is set on the top of the metering cylinder, oil outlet is set on the side of the metering cylinder away from the oil inlet hole, the input end of the aggregate hopper is set on the metering cylinder, the aggregate hopper and the oil outlet are communicated, and the fluid meter is set on the output end of the aggregate hopper; Filtering assembly, the filtering assembly includes filter cylinder and conveying auger, the filter cylinder is set in the metering cylinder, the conveying auger is rotationally set in the filter cylinder, and the filter cylinder is provided with oil inlet hole communicated with the oil inlet hole.

2. The oilfield wellsite production metering apparatus of claim 1, wherein, The end of the metering cylinder away from the oil outlet is provided with a slag discharge channel, and the slag discharge channel is communicated with the filter cylinder.

3. The oilfield wellsite production metering apparatus of claim 2, wherein, The output end of the slag discharge channel is provided with a receiving tray.

4. The oilfield wellsite production metering apparatus of claim 1, wherein, The support frame is provided with a driving member, and the driving member is connected with the conveying auger.

5. The oilfield wellsite production metering apparatus of claim 4, wherein, The driving member is a servo motor, and the output end of the servo motor is connected with the conveying auger.

6. The oilfield wellsite production metering apparatus of claim 1, wherein, The metering cylinder is provided with a feeding hopper, and the feeding hopper is communicated with the filter cylinder through the oil inlet hole.

7. The oilfield wellsite production metering apparatus of claim 1, wherein, The aggregate hopper is of a conical structure.

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