CN203783537U - Gas-production metering system - Google Patents
Gas-production metering system Download PDFInfo
- Publication number
- CN203783537U CN203783537U CN201420151837.1U CN201420151837U CN203783537U CN 203783537 U CN203783537 U CN 203783537U CN 201420151837 U CN201420151837 U CN 201420151837U CN 203783537 U CN203783537 U CN 203783537U
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- CN
- China
- Prior art keywords
- valves
- valve
- gas
- transmission line
- recovery well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 28
- 238000011084 recovery Methods 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 47
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 239000003345 natural gas Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The application relates to a gas-production metering system, which comprises a three-phase separator, a water tank, a sand remover, a plurality of switch valves, a block valve, a flow meter and flow valves, wherein the block valve is used for automatically cutting off and closing a flow gas transmission pipeline when the pressure in the flow gas transmission pipeline reaches a certain value; the flow meter is used for monitoring and metering the wellhead production flow quantity and daily gas production rate of the flow gas transmission pipeline; the flow valves are used for opening the flow gas transmission pipeline during well opening.
Description
Technical field
The utility model belongs to oil gas field production gas technology field, relates to a kind of gas production metering system.
Background technology
In a kind of gas production metering system of prior art, profit uses water as heat transfer medium, high-pressure natural gas first heats up through water batch heater heat exchange, after intensification, to≤6.4MPa, enter eliminator through reducing pressure by regulating flow, in separating, oil, G&W are carried out to three phase separation, outer defeated after the natural gas via orifice plate metering after separation.The flow of natural gas has adopted detection differential pressure, pressure, temperature three parameters to obtain through computing.The draining of eliminator and oil extraction septum valve control, draining and oil drain quantity are measured by high-pressure vortex flow meter.In this separator, the fuel of water batch heater and draining, the source of the gas of oil extraction pneumatic control valve is confessed by native system.The natural gas line of natural gas from eliminator separates drawn through heating again, after reducing to and entering clarifier dehydration and dryer after 0.3～0.7MPa and filter, sends into respectively the source of the gas of burner as fuel and pneumatic control valve.The water temperature of water jacket furnace heating furnace is delivered to computer controlled automatic after being detected by temperature transmitter.
Utility model content
But the gas production metering system of above-mentioned technology is failed effectively to arrange desanding device and can not well be monitored and discharge conduit pressure, thereby has potential safety hazard.Thus, main purpose of the present utility model is to provide a kind of gas production metering system of compact conformation, and it can steadily control liquid gas velocity, desanding in time, and can carry out safely desanding and gas production work.
According to embodiment of the present utility model, a kind of gas production metering system is provided, it is characterized in that comprising three phase separator, water pot, desander, multiple controlled valves, wherein, described multiple controlled valve comprises No. 1 valve and No. 4 valves, described No. 1 valve is the first order valve on gas recovery well output pipe, be used for closing for a long time gas recovery well, the second level valve that described No. 4 valves are gas recovery well output pipes, being used for short-term closes gas recovery well, wherein, described multiple controlled valve also comprises No. 7 valves that are connected to No. 4 valve downstream, be used for discharging the pressure in described gas recovery well output pipe, wherein, described multiple controlled valve also comprises No. 2 valves and No. 5 valves that are connected in turn on gas recovery well output sleeve pipe, be used for controlling sleeve pipe and produce closing well, wherein, described multiple controlled valve also comprises No. 3 valves and No. 6 valves that are connected in turn on gas recovery well output sleeve pipe, be used for as sleeve pipe pressure, wherein, described multiple controlled valve also comprises No. 8 valves and No. 9 valves that are connected to gas recovery well output pipe, wherein, No. 8 valve is connected to the one end as No. 10 valves of throttling control valve, the other end of No. 10 valves is connected to flow process gas transmission line, wherein, No. 9 valve is connected to three phase separator via desander, described three phase separator is used for separated from the gas to liquid and the solid matter of described gas recovery well output in constructing manufacturing process early stage, liquid and solid matter after separation drain into water pot by blowdown pipeline, wherein, described water pot is connected to the first outlet of three phase separator, the second outlet of described three phase separator is connected to described flow process gas transmission line, the gas being used for after output separation.
According to embodiment of the present utility model, on described flow process gas transmission line, also comprise the block valve, flow meter and the process valve that connect successively, described block valve is used for reaching after certain pressure in described flow process gas transmission line, automatically block and close described flow process gas transmission line, described flow meter is used for monitoring well head production flow and the daily output tolerance of the described flow process gas transmission line of metering, and described process valve is used for opening described flow process gas transmission line in the time driving a well.
By above technical scheme, the beneficial effects of the utility model are as follows: the utility model reasonable and compact in structure, easy to use, it can effectively keep strata pressure, steadily control liquid gas velocity, in time desanding, thereby can carry out safely gas production work.
Brief description of the drawings
Fig. 1 is according to the structural representation of the gas production metering system of embodiment of the present utility model.
Detailed description of the invention
Below in conjunction with embodiment, detailed description of the invention of the present utility model is further described, advantage and disadvantage of the present utility model will be more clear along with description.But these embodiment are only exemplary, scope of the present utility model are not formed to any restriction.
Fig. 1 is according to the structural representation of the gas production metering system of embodiment of the present utility model.It should be noted that, Fig. 1 is only for being used for illustrating example of the present utility model, and parts wherein and annexation are only for signal is not necessarily strictly corresponding with the mounting connection structure of the gas production metering system of embodiment of the present utility model.Those skilled in the art is appreciated that can realizes equally the technical solution of the utility model in the case of adding/omit the part parts in Fig. 1 completely.
As shown in Figure 1, particularly, described gas production metering system mainly comprises three phase separator, water pot, desander, multiple controlled valve, block valve, flow meter, process valve.
No. 1 valve is as the first order valve on gas recovery well output pipe (oil pipe), and Main Function is to use in the time of long-term closing well, is strictly on guard against frequent use, and reason is that the situations such as interior leakage appear in No. 1 valve, is not easy to change.No. 4 valves, as the second level valve of gas recovery well oil pipe, use in the time of short-term closing well.No. 7 valves are emptying valve, are also testing valve, in the time that the situations such as ice is stifled appear in pipeline, are closing after No. 4 valves, the pressure in pipeline are laid down with No. 7 valves.
No. 2, No. 5 valves are that the sleeve pipe first order and the second level produce valve, and major control sleeve pipe is produced closing well.No. 3, No. 6 valve is sleeve pipe pressure measuring valve, is gas production producing well normally open valve.
No. 8, No. 9 valves are that oil pipe is produced valve, be mainly that flow process pipeline is produced and the control that drives a well is produced in equipment connection test, and No. 1, No. 4 valve cooperation are used.
No. 10 valve is throttling control valve, is mainly used in opening well and making production and uses.
Three phase separator is for example mainly used to, for example, by separated from the gas to liquid (, water, oil) and the solid (, sand) of gas recovery well down-hole output in constructing manufacturing process early stage, and liquid and solid matter after separation drain into water pot by blowdown pipeline.Water pot is connected to the first outlet of three phase separator, and being mainly used to is that the down-hole generation liquid substance that three phase separator eliminator is completed is stored.
Between the entrance of three phase separator and No. 9 valves, be connected with desander, after the natural gas process desander desanding of gas recovery well output, enter three phase separator.
The second outlet of three phase separator is connected to flow process gas transmission line, is used for outputing to flow process gas transmission line by filtering out liquid and solid matter natural gas afterwards.
Block valve is connected on flow process gas transmission line, is mainly used to prevent that well head from producing because a variety of causes causes flow process increased pressure, and wherein, when after certain pressure, block valve can block closing flow path gas transmission line automatically.
Flow meter is connected on flow process gas transmission line, is mainly used to monitoring metering well head and produces flow and daily output tolerance.Process valve is mainly that flow process pipeline is opened while driving a well.
For example understand embodiment of the present utility model above.It will be understood by those skilled in the art that and do not departing under spirit and scope of the present utility model and can the details of technical solutions of the utility model and form modified or be replaced, but these amendments and replacement all fall in protection domain of the present utility model.
Claims (2)
1. a gas production metering system, is characterized in that comprising three phase separator, water pot, desander, multiple controlled valve,
Wherein, described multiple controlled valves comprise No. 1 valve and No. 4 valves, and described No. 1 valve is the first order valve on gas recovery well output pipe, be used for closing for a long time gas recovery well, the second level valve that described No. 4 valves are gas recovery well output pipes, is used for short-term to close gas recovery well
Wherein, described multiple controlled valves also comprise No. 7 valves that are connected to No. 4 valve downstream, are used for discharging the pressure in described gas recovery well output pipe,
Wherein, described multiple controlled valves also comprise No. 2 valves and No. 5 valves that are connected in turn on gas recovery well output sleeve pipe, be used for controlling sleeve pipe and produce closing well,
Wherein, described multiple controlled valves also comprise No. 3 valves and No. 6 valves that are connected in turn on gas recovery well output sleeve pipe, be used for as sleeve pipe pressure,
Wherein, described multiple controlled valves also comprise No. 8 valves and No. 9 valves that are connected to gas recovery well output pipe, and wherein, No. 8 valve is connected to the one end as No. 10 valves of throttling control valve, and the other end of No. 10 valves is connected to flow process gas transmission line,
Wherein, No. 9 valve is connected to three phase separator via desander, described three phase separator is used for separated from the gas to liquid and the solid matter of described gas recovery well output in constructing manufacturing process early stage, and liquid and solid matter after separation drain into water pot by blowdown pipeline
Wherein, described water pot is connected to the first outlet of three phase separator, and the second outlet of described three phase separator is connected to described flow process gas transmission line, the gas being used for after output separation.
2. gas production metering system according to claim 1, is characterized in that, also comprises the block valve, flow meter and the process valve that connect successively on described flow process gas transmission line,
Described block valve is used for reaching after certain pressure in described flow process gas transmission line, and automatically block and close described flow process gas transmission line,
Described flow meter is used for monitoring well head production flow and the daily output tolerance of the described flow process gas transmission line of metering,
Described process valve is used for opening described flow process gas transmission line in the time driving a well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151837.1U CN203783537U (en) | 2014-03-31 | 2014-03-31 | Gas-production metering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151837.1U CN203783537U (en) | 2014-03-31 | 2014-03-31 | Gas-production metering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203783537U true CN203783537U (en) | 2014-08-20 |
Family
ID=51319737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420151837.1U Expired - Lifetime CN203783537U (en) | 2014-03-31 | 2014-03-31 | Gas-production metering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203783537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863812A (en) * | 2018-08-14 | 2020-03-06 | 中国科学院沈阳自动化研究所 | Oil well gas production metering method based on oil jacket separation ratio |
-
2014
- 2014-03-31 CN CN201420151837.1U patent/CN203783537U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863812A (en) * | 2018-08-14 | 2020-03-06 | 中国科学院沈阳自动化研究所 | Oil well gas production metering method based on oil jacket separation ratio |
| CN110863812B (en) * | 2018-08-14 | 2021-07-09 | 中国科学院沈阳自动化研究所 | Oil well gas production metering method based on oil jacket separation ratio |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100192, room 1106, B, fortune 8, science and technology center, science learning road, Haidian District, Beijing Patentee after: BEIJING ENRUIDA TECHNOLOGY Co.,Ltd. Address before: 100192, room 1106, B, fortune 8, science and technology center, science learning road, Haidian District, Beijing Patentee before: BEIJING ENRUIDA TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |