CN210217712U - Gas drive production gas-oil ratio dynamic monitoring device - Google Patents
Gas drive production gas-oil ratio dynamic monitoring device Download PDFInfo
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- CN210217712U CN210217712U CN201920941660.8U CN201920941660U CN210217712U CN 210217712 U CN210217712 U CN 210217712U CN 201920941660 U CN201920941660 U CN 201920941660U CN 210217712 U CN210217712 U CN 210217712U
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Abstract
The utility model relates to a gas drive production gas-oil ratio dynamic monitoring device. A gas-drive production gas-oil ratio dynamic monitoring device comprises a gas-liquid separation device arranged at a wellhead, wherein the inlet end of the gas-liquid separation device is connected with an oil pipe, and the outlet end of the gas-liquid separation device is respectively connected with a gas metering system and a liquid metering system; the associated gas metering system is characterized by also comprising an associated gas metering system, wherein the inlet end of the associated gas metering system is connected to the oil sleeve annulus, and the outlet end of the associated gas metering system is connected to the gas metering system; the gas metering system and the liquid metering system are electrically connected with the computer and perform data transmission. The utility model has the advantages that on one hand, the gas and the liquid extracted from the oil pipe are respectively metered; on the other hand, the associated gas produced from the oil casing annulus is measured, and the measurement result of the associated gas is combined with the result of the gas produced by the oil pipe, and the result is used as the produced gas of the oil well together to calculate the gas-oil ratio; so that the gas produced by the oil well is as accurate as possible.
Description
Technical Field
The utility model relates to a production gas-oil ratio monitoring technology field in the oil field gas drive oil recovery process, especially a gas drive production gas-oil ratio dynamic monitoring device.
Background
The gas-oil ratio of oil well production refers to the volume ratio of produced gas to produced crude oil, and can reflect the condition of dissolved gas quantity of the oil field, particularly, when the oil field is in gas drive exploitation, whether a gas drive front reaches the oil well or not and the gas channeling condition can be judged through the change of the produced gas and oil, the gas drive exploitation dynamic state can be mastered in time, and a basis is provided for adjusting a development scheme. Currently, the produced gas and oil ratio is generally less than that monitored in the oil field development process because a system dynamic monitoring device is not available, and the monitoring is time-consuming and labor-consuming. Even if monitoring is carried out, most of the produced fluid is only measured from the oil pipe, associated gas produced from the oil sleeve annulus is ignored, and measuring inaccuracy is caused. The above causes inconvenience to the dynamic analysis of oil field production.
Disclosure of Invention
The utility model aims at providing a gas drive production gas-oil ratio dynamic monitoring device, simple and convenient, the continuous dynamic monitoring of gas drive oil well production gas-oil ratio is accomplished to the efficient.
The technical scheme of the utility model lies in:
a gas-drive production gas-oil ratio dynamic monitoring device comprises a gas-liquid separation device arranged at a wellhead, wherein the inlet end of the gas-liquid separation device is connected with an oil pipe, and the outlet end of the gas-liquid separation device is respectively connected with a gas metering system and a liquid metering system; the associated gas metering system is connected with the oil sleeve annulus at the inlet end; the gas metering system, the liquid metering system and the associated gas metering system are electrically connected with the computer and perform data transmission.
The gas metering system comprises an oil pipe gas flowmeter and a gas recovery device which are sequentially connected through an oil pipe gas connecting pipeline; the liquid metering system comprises an oil pipe liquid flowmeter and a liquid recovery device which are sequentially connected through a liquid connecting pipeline; the associated gas metering system comprises an associated gas metering pipeline and an associated gas flowmeter positioned on the associated gas metering pipeline, wherein the inlet end of the associated gas metering pipeline is connected to the oil sleeve annulus, and the outlet end of the associated gas metering pipeline is connected to the gas recovery device; and the oil pipe gas flowmeter, the oil pipe liquid flowmeter and the associated gas flowmeter are electrically connected with the computer and perform data transmission.
The liquid recovery device is an oil tank.
The gas recovery device is a gas cylinder.
The model of the gas-liquid separation device is BSQJ-1.
The model of the oil pipe liquid flowmeter and the model of the associated gas flowmeter are DMF-4.
The model of the oil pipe liquid flowmeter is DMF-3A.
The technical effects of the utility model reside in that:
the utility model has the advantages that on one hand, the gas and the liquid extracted from the oil pipe are respectively metered; on the other hand, the associated gas produced from the oil casing annulus is measured, and the measurement result of the associated gas is combined with the result of the gas produced by the oil pipe to be used as the produced gas of the oil well; so that the gas produced by the oil well is as accurate as possible. And the data measured by the gas measuring system, the liquid measuring system and the associated gas measuring system are transmitted to the computer for storage in real time. The water content of the oil well is a field constant measurement parameter, the water content is input into a computer before the production gas-oil ratio is measured formally, the computer can dynamically calculate the oil yield according to the data of the liquid measuring system, and then the total gas amount measured by the gas measuring system and the associated gas measuring system is divided by the oil yield to obtain the production gas-oil ratio of the oil well. The utility model discloses simple structure, easily installation and maintenance, degree of automation is high, can the efficient dynamic monitoring oil well production gas-oil ratio.
Drawings
Fig. 1 is the utility model relates to a gas drive production gas-oil ratio dynamic monitoring device's schematic structure diagram.
Reference numerals: 1-an oil layer, 2-an oil pipe, 3-a casing, 4-an associated gas flowmeter, 5-a gas recovery device, 6-a gas-liquid separation device, 7-an oil pipe liquid flowmeter, 8-an oil pipe gas flowmeter, 9-a computer and 10-an oil tank.
Detailed Description
Example 1
A gas-drive production gas-oil ratio dynamic monitoring device comprises a gas-liquid separation device 6 arranged at a wellhead, wherein the inlet end of the gas-liquid separation device 6 is connected with an oil pipe 2, a sleeve 3 is arranged outside the oil pipe 2, and the oil pipe 2 and the sleeve 3 extend into an oil layer 1; the outlet end is respectively connected with a gas metering system and a liquid metering system; the associated gas metering system is connected with the oil sleeve annulus at the inlet end; the gas metering system, the liquid metering system and the associated gas metering system are electrically connected with the computer 9 and perform data transmission.
Example 2
A gas-drive production gas-oil ratio dynamic monitoring device comprises a gas-liquid separation device 6 arranged at a wellhead, wherein the inlet end of the gas-liquid separation device 6 is connected with an oil pipe 2, and the outlet end of the gas-liquid separation device is respectively connected with a gas metering system and a liquid metering system; the gas metering system comprises an oil pipe gas flowmeter 8 and a gas recovery device 5 which are sequentially connected through an oil pipe 2 gas connecting pipeline; the liquid metering system comprises an oil pipe liquid flowmeter 7 and a liquid recovery device which are sequentially connected through a liquid connecting pipeline; the associated gas metering system comprises an associated gas metering pipeline and an associated gas flowmeter 4 positioned on the associated gas metering pipeline, wherein the associated gas metering system comprises a gas metering pipeline and a gas flow meterThe inlet end of the associated gas metering pipeline is connected to the oil sleeve annulus, and the outlet end of the associated gas metering pipeline is connected to the gas recovery device 5; the oil pipe gas flowmeter 8, the oil pipe liquid flowmeter 7 and the associated gas flowmeter 4 are all electrically connected with the computer 9 and perform data transmission. The liquid recovery device is an oil tank 10. The gas recovery device 5 isGas cylinder。
Example 3
On the basis of the embodiment 2, the gas-liquid separation device 6 is BSQJ-1. The models of the oil pipe gas flowmeter 8 and the associated gas flowmeter 4 are DMF-4. The model of the oil pipe liquid flowmeter 7 is DMF-3A.
The utility model discloses a concrete implementation process does:
as shown in fig. 1, the schematic structural diagram of the present invention shows that after the fluid produced from the oil pipe 2 is separated by the gas-liquid separation device 6, the gas produced from the oil pipe 2 enters the gas recovery device 5 after being measured by the oil pipe gas flowmeter 8, and the liquid produced from the oil pipe 2 enters the oil tank 10 after being measured by the oil pipe liquid flowmeter 7; the associated gas produced from the oil casing annulus is metered by an associated gas flowmeter 4 and then enters a gas recovery device 5. And the data measured by the oil pipe gas flowmeter 8, the oil pipe liquid flowmeter 7 and the associated gas flowmeter 4 are transmitted to the computer 9 for storage in real time. The water content of the oil well is a field constant measurement parameter, the water content is input into the computer 9 before the production gas-oil ratio is measured formally, the computer 9 can dynamically calculate the oil production according to the data of the oil pipe liquid flowmeter 7, and then the total gas amount measured by the oil pipe gas flowmeter 8 and the associated gas flowmeter 4 is divided by the oil production to obtain the production gas-oil ratio of the oil well.
Claims (7)
1. The utility model provides a gas drive production gas-oil ratio dynamic monitoring device which characterized in that: the gas-liquid separation device comprises a gas-liquid separation device (6) arranged at a wellhead, wherein the inlet end of the gas-liquid separation device (6) is connected with an oil pipe (2), and the outlet end of the gas-liquid separation device is respectively connected with a gas metering system and a liquid metering system; the associated gas metering system is connected with the oil sleeve annulus at the inlet end; the gas metering system, the liquid metering system and the associated gas metering system are electrically connected with the computer (9) and perform data transmission.
2. The gas drive production gas-oil ratio dynamic monitoring device of claim 1, characterized in that: the gas metering system comprises an oil pipe gas flowmeter (8) and a gas recovery device (5) which are sequentially connected through an oil pipe (2) gas connecting pipeline; the liquid metering system comprises an oil pipe liquid flowmeter (7) and a liquid recovery device which are sequentially connected through a liquid connecting pipeline; the associated gas metering system comprises an associated gas metering pipeline and an associated gas flowmeter (4) positioned on the associated gas metering pipeline, wherein the inlet end of the associated gas metering pipeline is connected to the oil sleeve annulus, and the outlet end of the associated gas metering pipeline is connected to the gas recovery device (5); the oil pipe gas flowmeter (8), the oil pipe liquid flowmeter (7) and the associated gas flowmeter (4) are electrically connected with the computer (9) and perform data transmission.
3. The gas drive production gas-oil ratio dynamic monitoring device of claim 2, characterized in that: the liquid recovery device is an oil tank (10).
4. The gas drive production gas-oil ratio dynamic monitoring device of claim 3, characterized in that: the gas recovery device (5) is a gas cylinder.
5. The gas drive production gas-oil ratio dynamic monitoring device of claim 4, wherein: the model of the gas-liquid separation device (6) is BSQJ-1.
6. The gas drive production gas-oil ratio dynamic monitoring device of claim 5, wherein: the models of the oil pipe gas flowmeter (8) and the associated gas flowmeter (4) are DMF-4.
7. The gas drive production gas-oil ratio dynamic monitoring device of claim 6, wherein: the model of the oil pipe liquid flowmeter (7) is DMF-3A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920941660.8U CN210217712U (en) | 2019-06-21 | 2019-06-21 | Gas drive production gas-oil ratio dynamic monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920941660.8U CN210217712U (en) | 2019-06-21 | 2019-06-21 | Gas drive production gas-oil ratio dynamic monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210217712U true CN210217712U (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920941660.8U Expired - Fee Related CN210217712U (en) | 2019-06-21 | 2019-06-21 | Gas drive production gas-oil ratio dynamic monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210217712U (en) |
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2019
- 2019-06-21 CN CN201920941660.8U patent/CN210217712U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 Termination date: 20210621 |
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| CF01 | Termination of patent right due to non-payment of annual fee |