CN202599773U - Device for testing consolidation strength of multi-surface medium sleeve - Google Patents
Device for testing consolidation strength of multi-surface medium sleeve Download PDFInfo
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- CN202599773U CN202599773U CN 201220140563 CN201220140563U CN202599773U CN 202599773 U CN202599773 U CN 202599773U CN 201220140563 CN201220140563 CN 201220140563 CN 201220140563 U CN201220140563 U CN 201220140563U CN 202599773 U CN202599773 U CN 202599773U
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- sleeve
- consolidation strength
- multilist face
- face dielectric
- confined pressure
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Abstract
The utility model relates to a device for testing the consolidation strength of a multi-surface medium sleeve. A cement ring is sleeved outside the multi-surface medium sleeve, an annular confining pressure cavity is arranged outside the cement ring, the multi-surface medium sleeve is composed of a smooth sleeve, a sand binder and sand grains, a circular support block is supported below the smooth sleeve, an upper loaded pressurization cavity is arranged above the multi-surface medium sleeve and the cement ring, a slide piston is arranged in the upper loaded pressurization cavity, the upper loaded pressurization cavity is divided into an upper cavity body and a lower cavity body by the slide piston, a confining pressure loading system is connected to the annular confining pressure cavity via a pipeline, and an upper-covered ballast system is connected to the upper cavity body of the upper loaded pressurization cavity via a pipeline. The device disclosed by the utility model can be used for applying external load dynamically and continuously, drawing a stress-strain change curve of the cement ring in real time, and testing the consolidation strength between the multi-surface medium sleeve and the cement ring in different confining pressure conditions.
Description
Technical field:
The utility model relates to Oil and Natural Gas Engineering primary cement evaluation technical field, what be specifically related to is multilist face dielectric-sleeve consolidation strength determinator.
Background technology:
The well cementing operation in Oil and Natural Gas Engineering, interface cementing strength is very big to the influence of cementing quality, can directly influence the serviceable life and the development benefit of oil gas well.Chinese scholars research is thought: the quality of cementing quality and interface cementing strength, receive the influence of many factors, and the sleeve surface situation is one of its important factor.Multilist face dielectric-sleeve is made up of smooth sleeve pipe, scab agent and sand grains; The scab agent is bonded at outside the smooth sleeve pipe, and sand grains then is bonded at outside the scab agent, and smooth sleeve pipe, scab agent and sand grains stick together jointly and form multilist face dielectric-sleeve; After the smooth sleeve surface scab; Because the raising of surfaceness has increased the consolidation strength between sleeve pipe and the cement mantle, has improved cementing quality.At present, the development to multilist face dielectric-sleeve consolidation strength determinator also belongs to blank.Lacking of this device, hindered the further research of relevant issues such as multilist face dielectric-sleeve primary cement evaluation, such as: surface dielectric performance cementing quality influenced research, the surface dielectric parameter influence research to cementing quality.Although can carry out qualitative description through setting up mechanical model, satisfy current needs to a certain extent, can't give direct evaluation, thus influenced should technology further develop.
Summary of the invention:
The purpose of the utility model provides multilist face dielectric-sleeve consolidation strength determinator, and it is used to solve at present through setting up the problem that mechanical model can only carry out qualitative description to multilist face dielectric-sleeve consolidation strength.
The utility model solves the technical scheme that its technical matters adopted: the multilist face dielectric-sleeve of this multilist face dielectric-sleeve consolidation strength determinator is equipped with cement mantle outward; Cement mantle is outward annular confined pressure chamber; Multilist face dielectric-sleeve is made up of smooth sleeve pipe, scab agent and sand grains; Circular back-up block is supported under the smooth sleeve pipe; Multilist face dielectric-sleeve and above the cement mantle be on cover and carry a pressurizing chamber, on cover to carry in the pressurizing chamber sliding plunger arranged, sliding plunger will on cover and carry a pressurizing chamber and be divided into upper and lower two cavitys; The confined pressure loading system is connected to annular confined pressure chamber through pipeline, on cover ballasting system and be connected to through pipeline and cover the upper cavity that carries pressurizing chamber.
Signal detecting and measuring apparatus is installed on the cement mantle in the such scheme; Signal detecting and measuring apparatus connects chromacoder; Chromacoder connects computing machine, and the consolidation strength software for calculation is installed in the computing machine, and signal detecting and measuring apparatus, chromacoder, computing machine constitute the consolidation strength detection system.Through the consolidation strength detection system, can observe and draw stress-strain curve, be determined at the consolidation strength of multilist face dielectric-sleeve under the different confined pressure conditions.
The confined pressure loading system is made up of first supercharging device and first intermediate receptacle in the such scheme.The confined pressure loading system applies outside the confined pressure cement mantle through injecting gas in annular confined pressure chamber and carries.
Covering ballasting system in the such scheme is made up of second supercharging device and second intermediate receptacle.On cover ballasting system and carry a pressurizing chamber and pump into gas through upwards covering, drive sliding plunger multilist face dielectric-sleeve and cement mantle applied burden pressure.
Confined pressure chamber and gas pumping system connectivity in the such scheme, the gas pumping system is made up of vacuum control valve, vacuum analyzer and vacuum suction apparatus.Through the gas in the gas pumping system recoveries annular confined pressure chamber, prepare circulation and utilize once more.
The utlity model has following beneficial effect:
1, outer carrying can be realized dynamically, applied continuously to the utility model, and the stress-strain change curve of real-time rendering cement mantle is determined at the consolidation strength between the multilist face dielectric-sleeve and cement mantle under the different confined pressure conditions.
2, the utility model confined pressure loading system pressure control scope is big, can realize the 80MPa pressure control.
3, the utility model accuracy of detection is high, and system accuracy can reach 0.01MPa.
4, the utility model structural manufacturing process is simple, easy to operate, and it is big to survey the confined pressure scope.
Description of drawings
Fig. 1 is the structural representation of the utility model.
1. cover on confined pressure chamber 2. back-up blocks 3. smooth sleeve pipe 4. sand grains 5. cement mantles 6 first supercharging devices 7. first intermediate receptacles 8. piezometry appearance 9. second supercharging devices 10. second intermediate receptacles 11. piezometry appearance 12. sliding plungers 13. and carry pressurizing chamber 14. signal detecting and measuring apparatus 15. chromacoders 16. computing machines 17. vacuum control valves 18. vacuum analyzers 19. vacuum suction apparatus 20. recovery control valves.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further explanation:
As shown in Figure 1; The multilist face dielectric-sleeve of this multilist face dielectric-sleeve consolidation strength determinator is equipped with cement mantle 5 outward, and cement mantle 5 is outer to be annular confined pressure chamber 1, and multilist face dielectric-sleeve is made up of smooth sleeve pipe 3, scab agent and sand grains 4; Circular back-up block 2 is supported on smooth sleeve pipe 3 times; Back-up block 2 plays the stable support effect, covers under the ballasting system effect last, can realize effectively that multilist face dielectric-sleeve and cement mantle 5 peel off effect; Multilist face dielectric-sleeve and above the cement mantle 5 be on cover and carry a pressurizing chamber 13, on cover to carry in the pressurizing chamber 13 sliding plunger 12 arranged, sliding plunger 12 will on cover and carry a pressurizing chamber 13 and be divided into upper and lower two cavitys; The confined pressure loading system is connected to annular confined pressure chamber 1 through pipeline; Setting pressure analyzer 8 on the pipeline, the confined pressure loading system is made up of first supercharging device 6 and first intermediate receptacle 7, during the experiment operation; Through injecting gas in the confined pressure chamber 1 of sealing cement mantle 5 is applied confined pressure by the confined pressure loading system; Guarantee laterally outer carrying evenly, make cement mantle 5 be in even loaded state all the time, the confined pressure loading system can continuously, dynamically apply transverse load; On cover ballasting system and be connected to through pipeline and cover the upper cavity that carries pressurizing chamber 13; Setting pressure analyzer 11 on the pipeline; On cover ballasting system and form by second supercharging device 9 and second intermediate receptacle 10, on cover ballasting system through high pressure line with on cover and carry a pressurizing chamber 13 and is connected, during the experiment operation by on cover ballasting system and upwards cover in year pressurizing chamber 13 and pump into gas; Drive sliding plunger 12 and move down, multilist face dielectric-sleeve and cement mantle 5 are applied burden pressure.
Cement mantle 5 is equipped with signal detecting and measuring apparatus 14; Signal detecting and measuring apparatus 14 connects chromacoder 15; Chromacoder 15 connects computing machine 16, and the consolidation strength software for calculation is installed in the computing machine 16, and signal detecting and measuring apparatus 14, chromacoder 15, computing machine 16 constitute the consolidation strength detection system.During the experiment operation; Along with on cover ballasting system and constantly exert pressure; The stress-strain that signal detecting and measuring apparatus 14 receives cement mantle 7 in real time changes, and transfers to computing machine 16 through chromacoder 15, is determined at the consolidation strength of multilist face dielectric-sleeve under the different confined pressure conditions.
Confined pressure chamber 1 and gas pumping system connectivity, the gas pumping system is made up of vacuum control valve 17, vacuum analyzer 18 and vacuum suction apparatus 19.After experiment finishes,, will test through recovery control valve 20 again and use the gas emptying through the gas in the gas pumping system recoveries annular confined pressure chamber 1.
During the utility model work; The confined pressure loading system applies transverse load to cement mantle 5, the simulated formation confined pressure, on cover ballasting system and apply ballast to multilist face dielectric-sleeve and cement mantle 5; Support multilist face dielectric-sleeve with back-up block 2, realization multilist face dielectric-sleeve and cement mantle 5 are peeled off effect; The stress-strain of signal detecting and measuring apparatus 14 monitoring cement mantles 5 changes, and transfers to computing machine 16 via chromacoder 15, can survey the consolidation strength of multilist face dielectric-sleeve under different confined pressure conditions.
Claims (5)
1. multilist face dielectric-sleeve consolidation strength determinator; It is characterized in that: the multilist face dielectric-sleeve of this multilist face dielectric-sleeve consolidation strength determinator is equipped with cement mantle (5) outward; Cement mantle (5) is outer to be annular confined pressure chamber (1); Multilist face dielectric-sleeve is made up of smooth sleeve pipe (3), scab agent and sand grains (4), and circular back-up block (2) is supported under the smooth sleeve pipe (3), covers on above multilist face dielectric-sleeve and the cement mantle (5) being and carries a pressurizing chamber (13); On cover to carry in the pressurizing chamber (13) sliding plunger (12) arranged, sliding plunger (12) will on cover and carry a pressurizing chamber (13) and be divided into upper and lower two cavitys; The confined pressure loading system is connected to annular confined pressure chamber (1) through pipeline, on cover ballasting system and be connected to through pipeline and cover the upper cavity that carries pressurizing chamber (13).
2. multilist face dielectric-sleeve consolidation strength determinator according to claim 1; It is characterized in that: signal detecting and measuring apparatus (14) is installed on the described cement mantle (5); Signal detecting and measuring apparatus (14) connects chromacoder (15); Chromacoder (15) connects computing machine (16), and signal detecting and measuring apparatus (14), chromacoder (15), computing machine (16) constitute the consolidation strength detection system.
3. multilist face dielectric-sleeve consolidation strength determinator according to claim 2, it is characterized in that: described confined pressure loading system is made up of first supercharging device (6) and first intermediate receptacle (7).
4. multilist face dielectric-sleeve consolidation strength determinator according to claim 2 is characterized in that: cover ballasting system on described and be made up of second supercharging device (9) and second intermediate receptacle (10).
5. according to claim 3 or 4 described multilist face dielectric-sleeve consolidation strength determinators; It is characterized in that: described confined pressure chamber (1) and gas pumping system connectivity, the gas pumping system is made up of vacuum control valve (17), vacuum analyzer (18) and vacuum suction apparatus (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220140563 CN202599773U (en) | 2012-04-06 | 2012-04-06 | Device for testing consolidation strength of multi-surface medium sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220140563 CN202599773U (en) | 2012-04-06 | 2012-04-06 | Device for testing consolidation strength of multi-surface medium sleeve |
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| Publication Number | Publication Date |
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| CN202599773U true CN202599773U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220140563 Expired - Fee Related CN202599773U (en) | 2012-04-06 | 2012-04-06 | Device for testing consolidation strength of multi-surface medium sleeve |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808652A (en) * | 2014-02-14 | 2014-05-21 | 中国海洋石油总公司 | Method for simulating cementation failure caused by temperature change |
| CN106402097A (en) * | 2016-11-22 | 2017-02-15 | 湖北职业技术学院 | Confining pressure cavity hydraulic oil recovery device |
| CN106593414A (en) * | 2017-01-10 | 2017-04-26 | 中国石油大学(北京) | Experimental device and method for testing cementing strength of cement loop and sleeving pipes |
| CN109030137A (en) * | 2018-06-28 | 2018-12-18 | 中国石油大学(华东) | A kind of experimental provision and method of simulation frozen soil stratum cement sheath consolidation |
| CN111335874A (en) * | 2020-03-20 | 2020-06-26 | 中国石油大学(北京) | Oil-gas well cementing cement packing capacity detection device and detection method thereof |
-
2012
- 2012-04-06 CN CN 201220140563 patent/CN202599773U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808652A (en) * | 2014-02-14 | 2014-05-21 | 中国海洋石油总公司 | Method for simulating cementation failure caused by temperature change |
| CN103808652B (en) * | 2014-02-14 | 2015-09-30 | 中国海洋石油总公司 | A kind of analog temperature change causes the method for cementing inefficacy of cementing the well |
| CN106402097A (en) * | 2016-11-22 | 2017-02-15 | 湖北职业技术学院 | Confining pressure cavity hydraulic oil recovery device |
| CN106593414A (en) * | 2017-01-10 | 2017-04-26 | 中国石油大学(北京) | Experimental device and method for testing cementing strength of cement loop and sleeving pipes |
| CN109030137A (en) * | 2018-06-28 | 2018-12-18 | 中国石油大学(华东) | A kind of experimental provision and method of simulation frozen soil stratum cement sheath consolidation |
| CN109030137B (en) * | 2018-06-28 | 2021-07-06 | 中国石油大学(华东) | Experimental device and method for simulating frozen soil stratum cement sheath consolidation |
| CN111335874A (en) * | 2020-03-20 | 2020-06-26 | 中国石油大学(北京) | Oil-gas well cementing cement packing capacity detection device and detection method thereof |
| CN111335874B (en) * | 2020-03-20 | 2021-08-13 | 中国石油大学(北京) | Oil-gas well cementing cement packing capacity detection device and detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20140406 |