CN212743978U - Fracturing construction liquid additive calibration device - Google Patents
Fracturing construction liquid additive calibration device Download PDFInfo
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- CN212743978U CN212743978U CN202022206711.8U CN202022206711U CN212743978U CN 212743978 U CN212743978 U CN 212743978U CN 202022206711 U CN202022206711 U CN 202022206711U CN 212743978 U CN212743978 U CN 212743978U
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Abstract
The utility model provides a fracturing construction liquid additive calibration device, which comprises a liquid adding tank, a calibration tank, a liquid adding pump, a flowmeter, a ball valve I, a ball valve II, a ball valve III, a backflow pipeline and a liquid outlet pipeline; a first ball valve is arranged at an outlet at the lower end of the liquid adding tank and is communicated with an inlet of the liquid adding pump through a pipeline; the lower end of the calibration tank is provided with a second ball valve which is communicated with the inlet of the liquid adding pump through a pipeline; liquid add jar upper end import and backflow pipeline and be connected, three cluster of ball valves between backflow pipeline and play liquid pipeline, three and liquid of ball valves add and pass through the pipe connection between the pump outlet, be equipped with the flowmeter on this pipeline. When the device is used for field operation, the components are designed and installed in a centralized manner, so that the calibration of the liquid additive in the proportioning process is realized, and the fracturing fluid meeting the well conditions is prepared continuously. The utility model discloses ensure to join in marriage meticulous quality control of liquid in-process, ensure construction quality, improve HSE's management and control ability and production efficiency.
Description
Technical Field
The utility model relates to fracturing construction mechanization, automatic technical field mainly are applicable to the injection of liquid additive in the fracturing work progress, in particular to fracturing construction liquid additive marks school device.
Background
The water-based fracturing fluid is the subject of the fracturing fluid for yield increase and reconstruction of oil and gas fields in China at present, has the main functions of carrying sand and making cracks, is one of key factors for determining success or failure of fracturing construction, and also guarantees the effectiveness of fracturing yield increase. When the existing dense gas area is continuously mixed and prepared, various aqueous materials are mixed according to a designed proportion and poured into a water agent material pool, and a liquid adding pump of a mixing vehicle is used for pumping according to a total proportion, wherein the adding mode causes uneven proportion of the guanidine gum base liquid and the water agent material in unit volume due to the defects of the traditional metering mode, and cannot reach the designed proportion requirement, so that the liquid performance is influenced; in addition, the requirements of the on-site Party A and supervision on the liquid preparation process are increasingly strict, so that the conventional addition mode needs to be changed; meanwhile, in the traditional liquid preparation mode, one crane is needed in the process of adding the water agent, 3 operators are matched, and the process has hoisting risks, and risks of vehicle movement, liquid splashing, personnel tumble injury and the like.
SUMMERY OF THE UTILITY MODEL
In order to overcome current liquid additive when adding, the inaccurate problem that leads to the addition precision not high of measurement, the utility model provides a fracturing construction liquid additive marks school device, the utility model discloses a quantitative volumetric liquid compares with the metering value of flowmeter in the pumping calibration jar, tentatively calibrates the flowmeter, guarantees that the continuous high accuracy of liquid additive adds, reaches accurate construction demand.
The utility model adopts the technical proposal that:
a calibration device for a fracturing construction liquid additive comprises a liquid adding tank, a calibration tank, a liquid adding pump, a flowmeter, a ball valve I, a ball valve II, a ball valve III, a backflow pipeline and a liquid outlet pipeline; a first ball valve is arranged at an outlet at the lower end of the liquid adding tank and is communicated with an inlet of the liquid adding pump through a pipeline; the lower end of the calibration tank is provided with a second ball valve which is communicated with the inlet of the liquid adding pump through a pipeline; liquid add jar upper end import and backflow pipeline and be connected, three cluster of ball valves between backflow pipeline and play liquid pipeline, three and liquid of ball valves add and pass through the pipe connection between the pump outlet, be equipped with the flowmeter on this pipeline.
The calibration tank is slender, and the calibration tank outer wall is marked with the volume scale.
The first ball valve and the second ball valve are identical and are both manual ball valves.
And the third ball valve is a manual three-way ball valve.
The lower end of the liquid adding tank is provided with a liquid inlet.
The flowmeter is a mass flowmeter.
The utility model has the advantages that:
the utility model discloses a quantitative volumetric liquid in pumping calibration jar contrasts with mass flow meter's metering value, carries out preliminary calibration to mass flow meter, guarantees that the continuous high accuracy of liquid additive adds, reaches accurate construction demand.
The following will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figures, the reference numbers are: 1. a liquid adding tank; 2. a calibration tank; 3. a liquid addition pump; 4. a flow meter; 5. a first ball valve; 6. a ball valve II; 7. a ball valve III; 8. a return line; 9. and (4) a liquid outlet pipeline.
Detailed Description
Example 1:
in order to overcome current liquid additive when adding, the inaccurate problem that leads to the addition precision not high of measurement, the utility model provides a fracturing construction liquid additive calibration device as shown in figure 1, the utility model discloses a quantitative volumetric liquid contrasts with the metering value of flowmeter in the pumping calibration jar, tentatively calibrates the flowmeter, guarantees that the continuous high accuracy of liquid additive adds, reaches accurate construction demand.
A calibration device for a fracturing construction liquid additive comprises a liquid adding tank 1, a calibration tank 2, a liquid adding pump 3, a flowmeter 4, a ball valve I5, a ball valve II 6, a ball valve III 7, a backflow pipeline 8 and a liquid outlet pipeline 9; a first ball valve 5 is arranged at an outlet at the lower end of the liquid adding tank 1, and the first ball valve 5 is communicated with an inlet of the liquid adding pump 3 through a pipeline; the lower end of the calibration tank 2 is provided with a second ball valve 6, and the second ball valve 6 is communicated with the inlet of the liquid adding pump 3 through a pipeline; liquid add 1 upper end import and backflow pipeline 8 of jar and be connected, three 7 strings of ball valve between backflow pipeline 8 and play liquid pipeline 9, three 7 of ball valve and liquid add and pass through the pipe connection between the pump 3 export, be equipped with flowmeter 4 on this pipeline.
The utility model discloses when carrying out the calibration to the flowmeter, earlier introduce liquid with calibration tank 2, specific be: and opening the first ball valve 5 and the second ball valve 6, pumping the liquid in the liquid adding tank 1 into the calibration tank 2 through the liquid adding pump 3, and determining the liquid capacity in the calibration tank 2 through the volume scale on the calibration tank 2. Then, the ball valve I5 at the outlet of the liquid adding tank 1 is closed, and the liquid enters the liquid adding pump 3 through the outlet of the calibration tank 2, is metered by the flow meter 4 after being pumped, and is discharged into the liquid adding tank 1 through the ball valve III 7 and the return pipeline 8. Finally, the liquid volume value of the fixed volume in the pumping calibration tank 2 is compared with the metering value of the flowmeter 4, and the flowmeter 4 is preliminarily calibrated.
The measurement accuracy of the flowmeter 4 is +/-0.2%, the liquid of the fixed volume in the calibration tank 2 is compared with the metering value of the flowmeter 4, the comparison value indicates the standard of the flowmeter within the measurement error range of the mass flowmeter, otherwise, the flowmeter needs to be replaced or the subsequent flowmeter metering result processing is carried out according to the calibration result. The flow measured by the flow meter 4 can be corrected by calibrating the fixed value of the liquid in the tank 2, so that the measuring result of the flow meter 4 is accurate. Ensuring the accurate addition of the subsequent liquid. After the result of the flow meter is ensured to be accurate, the liquid adding pump 3 pumps out the metered liquid and directly pumps the liquid to a subsequent treatment process through a liquid outlet pipeline 9.
Example 2:
based on embodiment 1, in this embodiment, preferably, the calibration tank 2 is elongated, and the outer wall of the calibration tank 2 is marked with volume scales.
The utility model discloses well calibration tank 2 marks volume scale department and is transparent material, and 2 whole also can adopt transparent material to make of calibration tank, and transparent material adopts toughened glass or organic glass to make. The bottom end of the calibration tank 2 is 30-50cm higher than the liquid adding pump 3. The calibration tank 2 is located at a short distance from the liquid addition pump 3 without interfering with other processes. The close distance may reduce liquid loss on the pipeline. The volume scale can read data visually, which is beneficial to calibration. Meanwhile, the loss of the liquid in the tank and the loss of the liquid on the pipeline are both counted into errors. The elongated calibration tank 2 meters more accurately the volume.
Preferably, the first ball valve 5 and the second ball valve 6 are the same in structure and are both manual ball valves.
Preferably, the third ball valve 7 is a manual three-way ball valve.
Preferably, the lower end of the liquid adding tank 1 is provided with a liquid inlet.
Preferably, the flow meter is a mass flow meter.
A fracturing construction liquid adding and calibrating method comprises the following specific steps: when the flowmeter is calibrated, firstly introducing liquid into the calibration tank 2, then closing the ball valve I5 at the outlet of the liquid adding tank 1, enabling the liquid to enter the liquid adding pump 3 through the outlet of the calibration tank 2, and discharging the liquid into the liquid adding tank 1 after being metered by the flowmeter 4 after being pumped; the liquid in the pump calibration tank 2 with the measured volume is compared with the measured value of the flowmeter 4, and the flowmeter 4 is preliminarily calibrated.
Preferably, the calibration tank 2 is introduced with the liquid by: and opening the first ball valve 5 and the second ball valve 6, pumping the liquid in the liquid adding tank 1 into the calibration tank 2 through the liquid adding pump 3, and determining the liquid capacity in the calibration tank 2 through the volume scale on the calibration tank 2.
The utility model discloses in, liquid adds jar 1, calibration jar 2, liquid and adds pump 3, flowmeter 4, ball valve 5, two 6 ball valves and three 7 ball valves and constitute metering module, and liquid adds pump 3 and liquid and adds jar 1 correspondingly, and liquid adds pump 3 and adds jar 1 suction liquid from liquid. The various overflow pieces through which the liquid flows in the utility model all adopt 316 stainless steel materials. The utility model discloses well mass flowmeter measurement accuracy is 0.2%.
The utility model discloses a working process does:
when calibrating the flowmeter, in a first step, a calibration tank 2 is introduced into a liquid, specifically: and opening the first ball valve 5 and the second ball valve 6, pumping the liquid in the liquid adding tank 1 into the calibration tank 2 through the liquid adding pump 3, and determining the liquid capacity in the calibration tank 2 through the volume scale on the calibration tank 2.
And secondly, closing a ball valve I5 at the outlet of the liquid adding tank 1, enabling the liquid to enter a liquid adding pump 3 through the outlet of the calibration tank 2, metering the liquid by a flow meter 4 after being pumped, and discharging the liquid into the liquid adding tank 1 through a ball valve III 7 and a return pipeline 8.
And thirdly, comparing the liquid volume value of the fixed volume in the pumping calibration tank 2 with the metering value of the flowmeter 4, and performing primary calibration on the flowmeter 4. The measurement precision of the mass flowmeter is +/-0.2%, the liquid of the fixed volume in the calibration tank 2 is compared with the metering value of the flowmeter 4, the comparison value indicates the standard of the flowmeter within the measurement error range of the mass flowmeter, otherwise, the flowmeter needs to be replaced or the subsequent flowmeter metering result processing is carried out according to the calibration result. The flow measured by the flow meter 4 can be corrected by calibrating the fixed value of the liquid in the tank 2, so that the measuring result of the flow meter 4 is accurate. Ensuring the accurate addition of the subsequent liquid.
And fourthly, after the flow meter is ensured to be accurate, the liquid adding pump 3 pumps out the metered liquid and directly pumps the liquid to a subsequent treatment process through a liquid outlet pipeline 9.
The utility model discloses increase calibration tank 2 on current liquid feeding device, then through the cooperation of pipeline with the valve, realize the accurate measurement of flowmeter. The utility model discloses the integration sets up, only needs to supply liquid and go out the liquid pipe connection, need not independent installation. The utility model discloses in, flowmeter 4 and liquid add the system and need satisfy discharge capacity below 0.5Mpa stable, undulant little.
The utility model discloses inspection before the use, its inspection route: liquid adding tank → calibration tank → ball valve → liquid adding pump → pipeline, check whether the fittings are complete, whether the equipment is firm, there are weld opening or other unsafe factors. And performing subsequent safety operation after removing the waste water one by one.
The liquid additives contained in the liquid adding tanks 1 are distributed in the corresponding liquid adding tanks 1 in the subsequent liquid preparation process, and then the additives are added through the liquid adding pumps 3 corresponding to the liquid adding tanks 1. Through this device can have accurate interpolation liquid reagent, guarantee to add the precision.
The utility model provides a liquid additive measurement system's mark school in the fracturing work progress, ensure to join in marriage the meticulous quality control of liquid in-process, reach the requirement that strictly adds according to the ratio, have the significance to improving fracturing fluid performance and construction success rate. The utility model provides an automatic school device and method of marking of fracturing construction liquid additive through each part design combination, and the continuous high accuracy of liquid additive is added to the real-time supervision liquid additive discharge condition, reaches accurate construction demand.
The utility model discloses in compare through the volumetric liquid of pump sending calibration tank 2 internal fixed quantity with mass flow meter's metering value, carry out preliminary calibration to mass flow meter, guarantee that the continuous high accuracy of liquid additive adds, reach accurate construction demand, after the construction, three 7 of ball valve are traded to returning a jar direction, intercommunication backflow pipeline and liquid add jar 1, then add external air supply on the outlet pipeline that jar 1 was added to liquid, through external air supply, make in this device raffinate get back to liquid and add jar 1, satisfy the clean production requirement.
When the device is used for field operation, the components are designed and installed in a centralized manner, so that the liquid additive can be calibrated in real time in the proportioning process, and the fracturing fluid meeting the well conditions can be continuously prepared. The utility model discloses a beneficial effect reaches the requirement that strictly adds according to the ratio for ensureing to join in marriage the meticulous quality control of liquid in-process, ensures construction quality, improves HSE's management and control ability and production efficiency.
The above examples are merely illustrations of the present invention, and do not constitute limitations to the scope of the present invention, and all designs identical or similar to the present invention belong to the scope of the present invention. The device structure and the method steps not described in detail in the present invention are prior art, and no further explanation will be given in the present invention.
Claims (6)
1. The utility model provides a fracturing construction liquid additive calibration device which characterized in that: comprises a liquid adding tank (1), a calibration tank (2), a liquid adding pump (3), a flowmeter (4), a ball valve I (5), a ball valve II (6), a ball valve III (7), a backflow pipeline (8) and a liquid outlet pipeline (9); a first ball valve (5) is arranged at an outlet at the lower end of the liquid adding tank (1), and the first ball valve (5) is communicated with an inlet of the liquid adding pump (3) through a pipeline; the lower end of the calibration tank (2) is provided with a second ball valve (6), and the second ball valve (6) is communicated with the inlet of the liquid adding pump (3) through a pipeline; liquid add jar (1) upper end import and be connected with return line (8), three (7) strings of ball valve between return line (8) and play liquid pipeline (9), three (7) of ball valve and liquid add and pass through the pipe connection between pump (3) the export, be equipped with flowmeter (4) on this pipeline.
2. The fracturing construction liquid additive calibration device according to claim 1, wherein: the calibration tank (2) is slender, and volume scales are marked on the outer wall of the calibration tank (2).
3. The fracturing construction liquid additive calibration device according to claim 1, wherein: the first ball valve (5) and the second ball valve (6) are identical in structure and are both manual ball valves.
4. The fracturing construction liquid additive calibration device according to claim 1, wherein: and the third ball valve (7) is a manual three-way ball valve.
5. The fracturing construction liquid additive calibration device according to claim 1, wherein: the lower end of the liquid adding tank (1) is provided with a liquid inlet.
6. The fracturing construction liquid additive calibration device according to claim 1, wherein: the flowmeter is a mass flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022206711.8U CN212743978U (en) | 2020-09-30 | 2020-09-30 | Fracturing construction liquid additive calibration device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022206711.8U CN212743978U (en) | 2020-09-30 | 2020-09-30 | Fracturing construction liquid additive calibration device |
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| CN212743978U true CN212743978U (en) | 2021-03-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065353A (en) * | 2020-09-30 | 2020-12-11 | 中国石油天然气集团有限公司 | Calibration device and method for fracturing construction liquid additive |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065353A (en) * | 2020-09-30 | 2020-12-11 | 中国石油天然气集团有限公司 | Calibration device and method for fracturing construction liquid additive |
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