CN102589990A - Heavy oil thermal recovery casing pipe testing device - Google Patents
Heavy oil thermal recovery casing pipe testing device Download PDFInfo
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- CN102589990A CN102589990A CN2012100389218A CN201210038921A CN102589990A CN 102589990 A CN102589990 A CN 102589990A CN 2012100389218 A CN2012100389218 A CN 2012100389218A CN 201210038921 A CN201210038921 A CN 201210038921A CN 102589990 A CN102589990 A CN 102589990A
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Abstract
The invention discloses a heavy oil thermal recovery casing pipe testing device, belonging to wellhead control mechanical equipment. The testing device comprises a casing pipe, an assisting rod, a pressurization pipeline, a loading device, a heating device, a displacement sensor, a thermocouple, a leak collecting device and an internal pressure sensor, wherein the leak collecting device is arranged on the outer surface of a coupling of the casing pipe, the casing pipe is connected with the loading device by the assisting rod, the internal pressure sensor is connected with the pressurization pipeline by the assisting rod, the heating device is wrapped on the surface of the casing pipe, the two ends of the displacement sensor are fixed at the two ends of the casing pipe by fixing devices, and the thermocouple is fixed on the casing pipe by a hose clamp. With the adoption of the mode of repeated temperature rising and dropping, the testing device can effectively simulate the true situation of the service of the casing pipe in a heavy oil thermal recovery well and can perform accurate evaluation on the applicability of the casing pipe.
Description
Technical field
The present invention relates to a kind of heavy crude heat extraction sleeve pipe proving installation, belong to well head control plant equipment.
Background technology
Thick oil thermal extraction in annotating vapour heating process, the sleeve pipe expanded by heating, under the fixing situation of well head, two ends, shaft bottom, generations axial stress is a compression stress, when it surpasses yield point, causes sleeve pipe generation permanent strain and damages.Stopping annotating in the temperature-fall period, string of casing shrinks, and axial stress becomes tensile stress by compression stress, after it surpasses yield point, will cause joint screw thread and body to break destruction.In recent years, the cover loss rate of domestic heavy crude heat extraction pipe is high.Casing damage has had a strong impact on tar productivity, and the ordinary production in oil field has been caused remarkable influence.Therefore, screening the heavy crude heat extraction sleeve pipe through suitable full-scale simulation method has great importance.
Existing thermal recovery well simulation experiment method is to adopt axial stretching, compressive load, analog casing suffered thermal stress in thick oil thermal extraction.Axial stretching, compressive load calculate according to the thermal stress of hole condition, and this form is analog casing expanded by heating, cooling situation of shrinking repeatedly in thick oil thermal extraction effectively, can cause the casing strength reduction and repeatedly expand with heat and contract with cold.
Summary of the invention
Technical matters to be solved by this invention provides a kind of heavy crude heat extraction cover proving installation of good reliability.
The invention provides a kind of heavy crude heat extraction sleeve pipe proving installation, comprising: sleeve pipe, auxilliary rod, capstan, charger, heating arrangement, displacement transducer, thermopair, leakage gathering-device and interior pressure load cell; Wherein, Said leakage gathering-device is installed on the outside surface of the box cupling of said sleeve pipe; Said sleeve pipe is connected with said charger through said auxilliary rod, and the said interior load cell of pressing is connected with said capstan through said auxilliary rod, and said heating arrangement is wrapped in said sleeve surface; Said displacement transducer two ends are fixed on said sleeve pipe two ends through stationary installation, and said thermopair is fixed on the said sleeve pipe through the larynx hoop.
Preferably, said device also comprises heat-barrier material, through said heat-barrier material said thermopair is wrapped on the said sleeve pipe.
Preferably, the said interior load cell of pressing is connected with said capstan through the through hole on the said auxilliary rod.
Preferably, said heating arrangement is the electric furnace of open-type.
The present invention adopts the temperature reduction way that heats up repeatedly; The effective analog casing truth of in thick oil thermal extraction, being on active service; Its applicability is accurately estimated, can effectively be simulated, make the test simulation condition more near the real load operating mode to the combined load performance under the heavy crude heat extraction sleeve pipe heat fatigue situation; Increase test evaluation result's reliability, guarantee the safe handling of heavy crude heat extraction sleeve pipe.
Description of drawings
Fig. 1 is the structural representation of a kind of heavy crude heat extraction sleeve pipe proving installation of providing of the embodiment of the invention.
1, auxilliary rod; 2, charger; 3, through hole; 4, the electric furnace of open-type; 5, displacement transducer; 6, thermopair; 7, heat-barrier material; 8, box cupling; 9, leak gathering-device; 10, weld seam; 11, capstan.
Embodiment
Below in conjunction with embodiment the present invention is further described in detail, the embodiment that provides has been merely and has illustrated the present invention, rather than in order to limit scope of the present invention.
Referring to Fig. 1, the embodiment of the invention provides a kind of heavy crude heat extraction sleeve pipe proving installation, specifically comprises like lower component:
Mark 1 is auxilliary rod among the figure, plays joint sleeve and the axially effect of charger 2, plays the shutoff pipe end simultaneously so that carry out the effect of hermetic seal test; 4 is the electric furnace of openable, and electric furnace is wrapped in sleeve surface, in electric furnace can be wrapped in 3/4 of specimen length to add bulk specimen heat affecting area, the more effective analog casing situation of being heated.Closed electric furnace during heating is opened fire door to accelerate cooling rate during cooling; 5 is displacement transducer, measures the distortion situation of sample in heating and temperature-fall period, and the displacement transducer two ends are fixed on the sleeve pipe two ends through stationary installation; 6 is thermopair, for accurately recording the temperature of sample, is fixed on the sleeve pipe through the larynx hoop with heat-barrier material 7; 9 for leaking gathering-device, when sleeve pipe takes place to leak, gas collected and drawn to detect through copper pipe; The 3rd, the through hole of processing on the auxilliary rod 1 is respectively applied for and presses load cell and capstan 11 in the connection; The 8th, the box cupling of sleeve pipe is used for joint sleeve and forms tubing string, and said leakage gathering-device is installed on the outside surface of the box cupling of sleeve pipe; The 10th, through welding manner joint sleeve and the auxilliary excellent weld seam that is produced.
When making an experiment, be depressed into the test set pressure at first adding, with 4 sleeve pipe be heated to the test design temperature then, pass through the variation of displacement transducer displacement monitoring amount in the temperature-rise period through the capstan via through holes.When displacement changes, apply axial load displacement is remained unchanged.Protect when sleeve pipe reaches the test design temperature and carried 2 hours, be cooled to room temperature then, also pass through the variation of displacement transducer displacement monitoring amount in the temperature-fall period.When displacement changes, apply axial load displacement is remained unchanged, at room temperature protect to carry to fall after 2 hours and carry.Repeat above-mentioned steps at least 9 times; Monitoring has or not inefficacies such as leakage, fracture, distortion to take place in entire test, if then termination test takes place, explains that this sleeve pipe is not suitable for the thick oil thermal extraction of specific operation; If sleeve pipe can explain that this sleeve pipe can be suitable for smoothly through test.
The displacement of this test routine restriction sample in intensification and temperature-fall period; Mainly be in order to simulate the influence that the heavy crude heat extraction sleeve pipe is sealed by cement mantle in heat is handled up process admittedly, adopting at least 10 circulations is for the heat of the quickening simulation heavy crude heat extraction sleeve pipe at short notice process of handling up.In this test method; The test set pressure must not be lower than in the actual condition presses; Wellhead temperature when the test design temperature must not be lower than thermal recovery well heat injection steam adopts the temperature reduction way that heats up repeatedly, can effectively simulate the combined load performance under the heavy crude heat extraction sleeve pipe heat fatigue situation; Effective analog casing expanded by heating, cooling situation of shrinking repeatedly in thick oil thermal extraction; Simultaneously can reflect repeatedly to expand with heat and contract with cold to cause the casing strength problem, make the test simulation condition, increase test evaluation result's reliability more near the real load operating mode.
The above only is preferred embodiment of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, characteristic and principle change or modify, includes in patent claim of the present invention.
Claims (4)
1. a heavy crude heat extraction sleeve pipe proving installation is characterized in that, comprising: sleeve pipe, auxilliary rod, capstan, charger, heating arrangement, displacement transducer, thermopair, leakage gathering-device and interior pressure load cell; Wherein, Said leakage gathering-device is installed on the outside surface of the box cupling of said sleeve pipe; Said sleeve pipe is connected with said charger through said auxilliary rod, and the said interior load cell of pressing is connected with said capstan through said auxilliary rod, and said heating arrangement is wrapped in said sleeve surface; Said displacement transducer two ends are fixed on said sleeve pipe two ends through stationary installation, and said thermopair is fixed on the said sleeve pipe through the larynx hoop.
2. device according to claim 1 is characterized in that said device also comprises heat-barrier material, through said heat-barrier material said thermopair is wrapped on the said sleeve pipe.
3. device according to claim 1 is characterized in that, the said interior load cell of pressing is connected with said capstan through the through hole on the said auxilliary rod.
4. device according to claim 1 is characterized in that, said heating arrangement is the electric furnace of open-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100389218A CN102589990A (en) | 2012-02-20 | 2012-02-20 | Heavy oil thermal recovery casing pipe testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100389218A CN102589990A (en) | 2012-02-20 | 2012-02-20 | Heavy oil thermal recovery casing pipe testing device |
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| CN102589990A true CN102589990A (en) | 2012-07-18 |
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| CN2012100389218A Pending CN102589990A (en) | 2012-02-20 | 2012-02-20 | Heavy oil thermal recovery casing pipe testing device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308390A (en) * | 2013-05-24 | 2013-09-18 | 中国石油天然气集团公司 | Bushing non-uniform external pressure loading test device and bushing non-uniform external pressure loading test method |
| CN103670372A (en) * | 2013-12-20 | 2014-03-26 | 中国石油天然气集团公司 | System and method for judging strain of casing string of thermal production well |
| CN104181060A (en) * | 2014-09-18 | 2014-12-03 | 西南石油大学 | Method and device for testing mechanical parameters of thin-walled pipe fitting |
| CN104390867A (en) * | 2014-12-12 | 2015-03-04 | 中国石油天然气集团公司 | Testing device and method for predicting thermal creep performance of metal material for thick oil thermal recovery sleeve |
| CN104989382A (en) * | 2015-06-26 | 2015-10-21 | 中国石油化工股份有限公司胜利油田分公司 | Heavy oil thermal recovery wellhead high-temperature-resistant pressure transmitter |
| CN105241596A (en) * | 2015-09-23 | 2016-01-13 | 西南石油大学 | Method and apparatus for testing sleeve thermal stress in thermal production well gas injection process |
| CN105259041A (en) * | 2015-10-29 | 2016-01-20 | 西南石油大学 | Method and device for testing heat intensity of simulated steam injection well casing pipe |
| CN106481985A (en) * | 2016-12-19 | 2017-03-08 | 交通运输部天津水运工程科学研究所 | Crude oil submarine pipeline leak test oil supply system assembly |
| CN108181182A (en) * | 2017-12-15 | 2018-06-19 | 中国石油集团川庆钻探工程有限公司 | The method for testing performance of tubing head and casing head |
| CN110082089A (en) * | 2019-05-23 | 2019-08-02 | 天津钢管制造有限公司 | Bunch tube recycles zero-bit measuring system and investigating method under elastoplasticity thermal stress |
| CN110469304A (en) * | 2019-07-04 | 2019-11-19 | 成都理工大学 | The large-scale physical model experiment device and method of hydraulic fracturing and set damage under a kind of simulation in-situ condition |
| CN111487020A (en) * | 2020-04-24 | 2020-08-04 | 中国石油天然气集团有限公司 | Coal underground gasification pipe column integrity simulation test device and test method |
| CN108458926B (en) * | 2018-01-30 | 2021-01-05 | 东南大学 | Thermal rigid single-shaft loading device |
| CN112304788A (en) * | 2020-09-21 | 2021-02-02 | 中国石油天然气集团有限公司 | Thermal production well casing multi-turn thermal cycle test device and use method |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308390B (en) * | 2013-05-24 | 2015-10-14 | 中国石油天然气集团公司 | The non-homogeneous external pressure loading test device of sleeve pipe and method |
| CN103308390A (en) * | 2013-05-24 | 2013-09-18 | 中国石油天然气集团公司 | Bushing non-uniform external pressure loading test device and bushing non-uniform external pressure loading test method |
| CN103670372B (en) * | 2013-12-20 | 2016-05-11 | 中国石油天然气集团公司 | A kind of Casing In Thermal Recovery Wells strain judges system and method thereof |
| CN103670372A (en) * | 2013-12-20 | 2014-03-26 | 中国石油天然气集团公司 | System and method for judging strain of casing string of thermal production well |
| CN104181060A (en) * | 2014-09-18 | 2014-12-03 | 西南石油大学 | Method and device for testing mechanical parameters of thin-walled pipe fitting |
| CN104390867A (en) * | 2014-12-12 | 2015-03-04 | 中国石油天然气集团公司 | Testing device and method for predicting thermal creep performance of metal material for thick oil thermal recovery sleeve |
| CN104989382A (en) * | 2015-06-26 | 2015-10-21 | 中国石油化工股份有限公司胜利油田分公司 | Heavy oil thermal recovery wellhead high-temperature-resistant pressure transmitter |
| CN105241596B (en) * | 2015-09-23 | 2017-07-21 | 西南石油大学 | The method of testing and device of a kind of thermal production well gas injection process middle sleeve thermal stress |
| CN105241596A (en) * | 2015-09-23 | 2016-01-13 | 西南石油大学 | Method and apparatus for testing sleeve thermal stress in thermal production well gas injection process |
| CN105259041A (en) * | 2015-10-29 | 2016-01-20 | 西南石油大学 | Method and device for testing heat intensity of simulated steam injection well casing pipe |
| CN105259041B (en) * | 2015-10-29 | 2017-08-15 | 西南石油大学 | A kind of method of testing and device for simulating steamed well sleeve pipe calorific intensity |
| CN106481985A (en) * | 2016-12-19 | 2017-03-08 | 交通运输部天津水运工程科学研究所 | Crude oil submarine pipeline leak test oil supply system assembly |
| CN108181182A (en) * | 2017-12-15 | 2018-06-19 | 中国石油集团川庆钻探工程有限公司 | The method for testing performance of tubing head and casing head |
| CN108458926B (en) * | 2018-01-30 | 2021-01-05 | 东南大学 | Thermal rigid single-shaft loading device |
| CN110082089A (en) * | 2019-05-23 | 2019-08-02 | 天津钢管制造有限公司 | Bunch tube recycles zero-bit measuring system and investigating method under elastoplasticity thermal stress |
| CN110082089B (en) * | 2019-05-23 | 2024-05-03 | 天津钢管制造有限公司 | Zero displacement measuring device and measuring and controlling method under sleeve string circulation elastoplastic thermal stress |
| CN110469304A (en) * | 2019-07-04 | 2019-11-19 | 成都理工大学 | The large-scale physical model experiment device and method of hydraulic fracturing and set damage under a kind of simulation in-situ condition |
| CN110469304B (en) * | 2019-07-04 | 2021-07-27 | 成都理工大学 | Large physical model experiment device and method for simulating hydraulic fracturing and casing damage |
| CN111487020A (en) * | 2020-04-24 | 2020-08-04 | 中国石油天然气集团有限公司 | Coal underground gasification pipe column integrity simulation test device and test method |
| CN112304788A (en) * | 2020-09-21 | 2021-02-02 | 中国石油天然气集团有限公司 | Thermal production well casing multi-turn thermal cycle test device and use method |
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Application publication date: 20120718 |