CN203959096U - Gas storage is observed well completion tubular column - Google Patents
Gas storage is observed well completion tubular column Download PDFInfo
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- CN203959096U CN203959096U CN201420356374.2U CN201420356374U CN203959096U CN 203959096 U CN203959096 U CN 203959096U CN 201420356374 U CN201420356374 U CN 201420356374U CN 203959096 U CN203959096 U CN 203959096U
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- gas storage
- tubular column
- well completion
- completion tubular
- manometer
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Abstract
The utility model provides a kind of gas storage to observe well completion tubular column, comprise tubing string body, on tubing string body, be serially connected with successively mobile pipe nipple, Down Hole Safety Valve (DHSV), current downflow pipe nipple, circulation slide sleeve, the first retrievable excluder, the first manometer from top to bottom, blanking plug is located short circuit and short circuit is located in test.Fix pressure gauge by manometer is set, thereby realize the monitoring to ground pressure, temperature, observe well completion tubular column by gas storage of the present utility model, also can during note gas production, carry out fluid sampling analysis, with the variation of monitoring stream volume property; In addition, gas storage of the present utility model is observed well completion tubular column can realize multiple operation connection work, reduces cargo handling operation, avoids the secondary pollution of reservoir, can realize the accurately object of monitoring formation parameter.
Description
Technical field
The utility model relates to a kind of (gas) process pipe string that recovers the oil, and especially a kind of gas storage is observed well completion tubular column.
Background technology
Gas storage is that commercial natural gas that long distance pipeline is transported refills the underground space and the artificial gas field of one or the gas reservoir that form, producing in operational process for many years, ground pressure is cycle variation within a certain period of time, and the amplitude changing is very large, limit, end water excitement also can impact gas storage, therefore set up dynamic monitoring system, very important.For observing the variation of gas storage ground pressure, the pressure variation of limit, end aqua region and the leak tightness of tomography, just must dispose the observation well of some, carry out continuous pressure, temperature monitoring, in noting during gas production, carry out at set intervals fluid sampling analysis simultaneously, the variation of monitoring stream volume property, analyzes whether whether normal operation of has channeling or gas storage occurs, for the later stage makes an inventory of goods in a warehouse and computed losses provides basic data.
Utility model content
The purpose of this utility model is to provide a kind of gas storage and observes well completion tubular column, for the pressure and temperature of monitoring gas storage bottom, and carries out fluid sampling during note gas production.
For achieving the above object, the utility model provides a kind of gas storage to observe well completion tubular column, comprise tubing string body, on described tubing string body, be serially connected with successively mobile pipe nipple, Down Hole Safety Valve (DHSV), current downflow pipe nipple, circulation slide sleeve, the first retrievable excluder, the first manometer from top to bottom, blanking plug is located short circuit and short circuit is located in test.
Gas storage as above is observed well completion tubular column, and wherein, described the first manometer and described blanking plug are located and between short circuit, are also connected with the second retrievable excluder.
Gas storage as above is observed well completion tubular column, and wherein, described blanking plug is located short circuit and described test and is located and between short circuit, is also connected with the second manometer.
Gas storage as above is observed well completion tubular column, wherein, described tubing string body and described mobile pipe nipple, Down Hole Safety Valve (DHSV), current downflow pipe nipple, circulation slide sleeve, the first retrievable excluder, the first manometer, the second retrievable excluder, blanking plug are located short circuit, the second manometer and test and are located between short circuit and all adopt vapor seal to be threaded.
Gas storage as above is observed well completion tubular column, wherein, described gas storage is observed well completion tubular column and is also comprised pressure measurement umbilical, described pressure measurement umbilical be fixed on described the first manometer and be connected and extend on ground with the pressure gauge of described the second manometer.
Gas storage as above is observed well completion tubular column, and wherein, described gas storage is observed well completion tubular column and also comprised the ground control system that is arranged on ground, and described ground control system is connected with described pressure measurement umbilical.
Gas storage as above is observed well completion tubular column, and wherein, described tubing string body bottom is connected with exit skirt.
Gas storage as above is observed well completion tubular column, and wherein, described tubing string body is that diameter is the oil pipe of 88.9mm.
The advantage that gas storage of the present utility model is observed well completion tubular column is, by being set, manometer fixes pressure gauge, thereby realize the monitoring to ground pressure, temperature, adopt gas storage of the present utility model to observe well completion tubular column, also can during note gas production, carry out fluid sampling analysis, with the variation of monitoring stream volume property; In addition, gas storage of the present utility model is observed well completion tubular column can realize multiple operation connection work, reduces cargo handling operation, avoids the secondary pollution of reservoir, can realize the accurately object of monitoring formation parameter.
Brief description of the drawings
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the schematic diagram that gas storage of the present utility model is observed well completion tubular column.
Main element label declaration:
Pipe nipple 3 Down Hole Safety Valve (DHSV)s flow on 1 tubing string body 2
4 current downflow pipe nipple 5 circulation slide sleeve 6 first retrievable excluders
7 first manometer 8 second retrievable excluder 9 blanking plugs are located short circuit
Short circuit 12 exit skirts are located in 10 second manometer 11 tests
13 flow string 15 oil reservoirs
Detailed description of the invention
Understand for technical characterictic of the present utility model, object and effect being had more clearly, now contrast brief description of the drawings detailed description of the invention of the present utility model.
As shown in Figure 1, the utility model provides a kind of gas storage to observe well completion tubular column, be located in flow string 13, comprise tubing string body 1, on tubing string body 1, be serially connected with successively mobile pipe nipple 2 from top to bottom, Down Hole Safety Valve (DHSV) 3, current downflow pipe nipple 4, circulation slide sleeve 5, the first retrievable excluder 6, the first manometer 7, blanking plug is located short circuit 9 and short circuit 11 is located in test, the i.e. upper pipe nipple 2 that flows, Down Hole Safety Valve (DHSV) 3, current downflow pipe nipple 4, circulation slide sleeve 5, the first retrievable excluder 6, the first manometer 7, blanking plug is located short circuit 9 and test and is located short circuit 11 and is serially connected by tubing string body 1.
Wherein, tubing string body 1 adopts L8013Cr stainless steel tube, and it has stronger resistance to corrosion, can extend the service life of tubing string; Consider the impact of Down Hole Safety Valve (DHSV) 3 undergauges, lower end has been equipped with respectively flow pipe nipple 2 and current downflow pipe nipple 4 thereon, to reduce the impact of disturbance on Down Hole Safety Valve (DHSV) 3, prevents the generation of erosion, extend the service life of Down Hole Safety Valve (DHSV) 3, strengthen the safety of tubing string; Circulation slide sleeve 5 can be realized circulation well cleanup, empty induced flow and circulation kill-job; Adopt retrievable excluder to be easy to deblocking, deblocking work capacity is little, be convenient to later stage operation, can not affect the normal operation of gas storage, the first retrievable excluder 6 can be realized the packing to top oil reservoir 15 (or work stratum or stratum to be tested) and oil jacket annular space; The first manometer 7 is pressure gauge fender guard, for fixation pressure meter, adopts pressure gauge to monitor at any time the temperature and pressure on stratum; Blanking plug is located short circuit 9 for being located sealing isolation tools, utilizes steel wire operation being located short circuit 9 to blanking plug under blanking plug, just can realize packer setting, also can carry out pressure testing to tubing string; Test is located short circuit 11 working barrels and is positioned at tubing string body 1 bottom, can need to utilize steel wire operation to be lowered to test gear according to test temporarily.
Again as shown in Figure 1, at one preferably in technical scheme, the first manometer 7 and blanking plug are located between short circuit 9 and are also connected with the second retrievable excluder 8, and the first retrievable excluder 6 and the second retrievable excluder 8 can carry out packing to two main oil reservoirs 15 respectively.
Further, blanking plug is located short circuit 9 and test and is located and between short circuit 11, is also connected with the second manometer 10.By fixation pressure meter on the first manometer 7 and the second manometer 10, can carry out pressure and temperature test to two main oil reservoirs 15 respectively.But the utility model, not as limit, can also arrange multiple manometers and multiple retrievable excluder according to actual needs.
In addition, be also connected with exit skirt 12 in tubing string body 1 bottom, exit skirt 12 can be reserved larger chamfering in completion tubular column lower end, because its underpart opening is large, can very successfully be lowered to and trip out test gear or instrument.
In the present embodiment, tubing string body 1 and upper mobile pipe nipple 2, Down Hole Safety Valve (DHSV) 3, current downflow pipe nipple 4, circulation slide sleeve 5, the first retrievable excluder 6, the first manometer 7, the second retrievable excluder 8, blanking plug is located short circuit 9, the second manometer 10 and test are located between short circuit 11 and are all adopted vapor seal to be threaded, for example VAM-TOP vapor seal is threaded, this kind of connection mode still has perfect gas sealing ability in the time bearing combined load, thereby the air-tightness between guarantee all parts, it has good bending resistance simultaneously, resistance to compression, torsional property, simple to operate, easy to maintenance.
Gas storage is observed well completion tubular column and is also comprised pressure measurement umbilical, pressure measurement umbilical be fixed on the first manometer 7 and be connected with the pressure gauge of the second manometer 10 and extend on ground, in order to transmit the parameter value such as ground pressure, temperature, reach the object of monitoring formation parameter, that is, on the ground by capillary tub and optical fiber prefabricating to pipeline, be made into thermometric pressure measurement umbilical, adopt capillary tub transmission pressure, adopt optical fibre transmission temperature, realize the monitoring to down-hole pressure and temperature.
Gas storage is observed well completion tubular column and is also comprised the ground control system that is arranged on ground, ground control system for example comprises interconnective data acquisition unit, data analysis set-up and controller (computer), and ground control system is connected with pressure measurement umbilical.
In addition, Down Hole Safety Valve (DHSV) 3 is connected with ground control system by steel liquid controling pipe line, by controlling the fluid pressure in liquid controling pipe line, realizes the opening and closing of Down Hole Safety Valve (DHSV) 3, reaches the object of down-hole open and close well.
In the present embodiment, tubing string body 1 is that diameter is the oil pipe of 88.9mm, and the tubing string body of this diameter is convenient to be connected in series the parts such as manometer, is convenient to install, and can avoids the erosion to oil pipe under abnormal condition, reduces the risk of gas well unloading.
In use, gas storage of the present utility model is observed to well completion tubular column and be lowered in flow string 13 and fix, oil pipe torque wrench moment is in setting range, and oil pipe and oil pipe, oil pipe and each downhole tool all will carry out vapor seal detection qualified, to guarantee safety.Adopt gas storage of the present utility model to observe well completion tubular column, not only can carry out continuous ground pressure, temperature monitoring, can also regularly carry out fluid sampling analysis in conjunction with steel wire operation simultaneously, judge whether to occur whether normal operation of has channeling or gas storage, reach the object of monitoring, gas storage of the present utility model is observed well completion tubular column and is made up of tubing string body 1 and multiple downhole tool, can realize multiple operation connection does, reduce cargo handling operation, avoid the secondary pollution of reservoir, can realize the accurately object of monitoring formation parameter.In addition, if on ground connects pipeline and control system, gas storage of the present utility model is observed well completion tubular column and can also play the function of injection-production column jacket.
The foregoing is only the schematic detailed description of the invention of the utility model, not in order to limit scope of the present utility model.Any those skilled in the art, is not departing from equivalent variations and the amendment under the prerequisite of design of the present utility model and principle, done, all should belong to the scope of the utility model protection.And it should be noted that, each component part of the present utility model is not limited in above-mentioned overall applicability, each technical characterictic of describing in specification sheets of the present utility model can select one to adopt separately or select the multinomial use that combines according to actual needs, therefore, the utility model has been contained other combination relevant with this case inventive point and specifically application in the nature of things.
Claims (8)
1. a gas storage is observed well completion tubular column, comprise tubing string body, it is characterized in that, on described tubing string body, be serially connected with successively mobile pipe nipple, Down Hole Safety Valve (DHSV), current downflow pipe nipple, circulation slide sleeve, the first retrievable excluder, the first manometer from top to bottom, blanking plug is located short circuit and short circuit is located in test.
2. gas storage as claimed in claim 1 is observed well completion tubular column, it is characterized in that, described the first manometer and described blanking plug are located and between short circuit, are also connected with the second retrievable excluder.
3. gas storage as claimed in claim 1 or 2 is observed well completion tubular column, it is characterized in that, described blanking plug is located short circuit and described test and is located and between short circuit, is also connected with the second manometer.
4. gas storage as claimed in claim 3 is observed well completion tubular column, it is characterized in that, described tubing string body and described mobile pipe nipple, Down Hole Safety Valve (DHSV), current downflow pipe nipple, circulation slide sleeve, the first retrievable excluder, the first manometer, the second retrievable excluder, blanking plug are located short circuit, the second manometer and test and are located between short circuit and all adopt vapor seal to be threaded.
5. gas storage as claimed in claim 3 is observed well completion tubular column, it is characterized in that, described gas storage is observed well completion tubular column and is also comprised pressure measurement umbilical, described pressure measurement umbilical be fixed on described the first manometer and be connected and extend on ground with the pressure gauge of described the second manometer.
6. gas storage as claimed in claim 5 is observed well completion tubular column, it is characterized in that, described gas storage is observed well completion tubular column and also comprised the ground control system that is arranged on ground, and described ground control system is connected with described pressure measurement umbilical.
7. gas storage as claimed in claim 1 is observed well completion tubular column, it is characterized in that, described tubing string body bottom is connected with exit skirt.
8. gas storage as claimed in claim 1 is observed well completion tubular column, it is characterized in that, described tubing string body is that diameter is the oil pipe of 88.9mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356374.2U CN203959096U (en) | 2014-06-30 | 2014-06-30 | Gas storage is observed well completion tubular column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356374.2U CN203959096U (en) | 2014-06-30 | 2014-06-30 | Gas storage is observed well completion tubular column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203959096U true CN203959096U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420356374.2U Expired - Fee Related CN203959096U (en) | 2014-06-30 | 2014-06-30 | Gas storage is observed well completion tubular column |
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| CN (1) | CN203959096U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879167A (en) * | 2015-04-27 | 2015-09-02 | 中国石油天然气股份有限公司 | Method for rebuilding gas storage reservoir and layered injection and recovery system |
| CN104895536A (en) * | 2015-05-12 | 2015-09-09 | 中国石油天然气股份有限公司 | Injection-production gas well variable-diameter well completion method and injection-production string |
| CN108252703A (en) * | 2016-12-27 | 2018-07-06 | 中国石油天然气股份有限公司 | The completion method of hierarchical monitor |
| CN110487475A (en) * | 2018-05-15 | 2019-11-22 | 中国石油化工股份有限公司 | Pressure monitoring device and method between a kind of foam slurry waiting-on-cement |
-
2014
- 2014-06-30 CN CN201420356374.2U patent/CN203959096U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879167A (en) * | 2015-04-27 | 2015-09-02 | 中国石油天然气股份有限公司 | Method for rebuilding gas storage reservoir and layered injection and recovery system |
| CN104895536A (en) * | 2015-05-12 | 2015-09-09 | 中国石油天然气股份有限公司 | Injection-production gas well variable-diameter well completion method and injection-production string |
| CN104895536B (en) * | 2015-05-12 | 2017-10-17 | 中国石油天然气股份有限公司 | A kind of method and injection-production column jacket for noting gas recovery well reducing completion |
| CN108252703A (en) * | 2016-12-27 | 2018-07-06 | 中国石油天然气股份有限公司 | The completion method of hierarchical monitor |
| CN110487475A (en) * | 2018-05-15 | 2019-11-22 | 中国石油化工股份有限公司 | Pressure monitoring device and method between a kind of foam slurry waiting-on-cement |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |