CN204679365U - A kind of pitch solution plugging simulation apparatus - Google Patents
A kind of pitch solution plugging simulation apparatus Download PDFInfo
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- CN204679365U CN204679365U CN201520220051.5U CN201520220051U CN204679365U CN 204679365 U CN204679365 U CN 204679365U CN 201520220051 U CN201520220051 U CN 201520220051U CN 204679365 U CN204679365 U CN 204679365U
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Abstract
The utility model provides a kind of pitch solution plugging simulation apparatus, for the simulated experiment of pitch de-plugging in the wellbore, comprising can the thermostatical oil bath cabinet of splendid attire conduction oil, and inside can be filled with the pit shaft analogue means of pitch, pit shaft analogue means extend in thermostatical oil bath cabinet, pitch blocking place be filled with in pit shaft analogue means is immersed in the conduction oil in thermostatical oil bath cabinet, to control the temperature of pitch blocking section; Separate putty and enter into pitch blocking from the upper end of pit shaft analogue means, the pitch of de-plugging flows out from the lower end of pit shaft analogue means with solution putty.This pitch solution plugging simulation apparatus structure is simple, is easy to operation, effectively raises measuring accuracy and the testing efficiency of pitch de-plugging experiment.
Description
Technical field
The utility model relates to a kind of analogue experiment installation, particularly relates to a kind of analogue means of pitch de-plugging.
Background technology
China's heavy oil reserves is enriched, and easily occurs the problem of bituminous matter blocking pit shaft in recovery process, although expand further investigation to bituminous matter blocking pit shaft both at home and abroad, but lacks suitable evaluation experimental device for the effect evaluating pitch de-plugging.The evaluation method of existing use is only limitted to soak dissolves, and evaluate rate of dissolution, the method experimental repeatability is poor, cannot the air-proof condition of wellbore hole simulator inside, and the dissolution rate drawn cannot be tested by guide field.
Chinese utility model patent CN 202383131 U discloses a kind of crude oil asphaltenes deposition high pressure simulation test instrument, be for solve current laboratory experiment can not correctly under simulated field condition of high voltage crude oil asphaltenes deposition conditions problem and design, mainly comprise the autoclave, the autoclave lower cover of band filter screen, rapid-acting coupling, valve, sampler barrel and control panel etc. that are positioned at heating urceolus.First autoclave is vacuumized when carrying out shop experiment, crude oil is drawn in autoclave under negative pressure, then pass into rock gas to experimental pressure, be heated to experimental temperature, collect crude oil filtrate finally by sampler barrel, analyze oil sample, to calculate asphaltene deposits amount.Although this crude oil asphaltenes deposition high pressure simulation test instrument can well under simulation well under temperature and pressure condition CO2 or rock gas mixed phase drives and air pumping time the crude oil asphaltenes deposition conditions that occurs, but the structure of this test instrument is comparatively complicated, and need in use, by the setting of high pressure, vacuum, to add experimentation cost.
Summary of the invention
In order to overcome the above problems, the utility model provides a kind of pitch solution plugging simulation apparatus, and this pitch solution plugging simulation apparatus structure is simple, is easy to operation, effectively raises measuring accuracy and the testing efficiency of pitch de-plugging experiment.
To achieve these goals, the utility model provides a kind of pitch solution plugging simulation apparatus, for the simulated experiment of pitch de-plugging in the wellbore, comprising can the thermostatical oil bath cabinet of splendid attire conduction oil, and inside can be filled with the pit shaft analogue means of pitch, pit shaft analogue means extend in thermostatical oil bath cabinet, and pitch blocking place be filled with in pit shaft analogue means is immersed in the conduction oil in thermostatical oil bath cabinet, to control the temperature of pitch blocking section; Separate putty and enter into pitch blocking from the upper end of pit shaft analogue means, the pitch of de-plugging flows out from the lower end of pit shaft analogue means with solution putty.
As further optimization of the present utility model, the casing of thermostatical oil bath cabinet is provided with temperature control equipment, temperature control equipment is provided with temp controlled meter, to control the temperature of conduction oil in thermostatical oil bath cabinet.
As further optimization of the present utility model, on thermostatical oil bath cabinet, parallel being provided with organizes heating tube more from top to bottom, often organizes the equal ring of heating tube and is located on casing, with the conduction oil in heated constant temperature oil bath case, until reach design temperature.
As further optimization of the present utility model, the outer setting of thermostatical oil bath cabinet has thermal insulation protection cover.
As further optimization of the present utility model, the bottom of thermostatical oil bath cabinet is provided with temperature sensor, with the temperature of conduction oil in Real-Time Monitoring thermostatical oil bath cabinet.
As further optimization of the present utility model, thermostatical oil bath cabinet also includes the case lid for covering thermostatical oil bath cabinet, and is arranged on the oil extraction valve of bottom half for being discharged by box house conduction oil.
As further optimization of the present utility model, pit shaft analogue means is followed successively by feed zone from top to bottom, pitch blocking section and discharging section, and wherein feed zone stretches out thermostatical oil bath cabinet, feed zone is provided with charge door, separates putty and enter into pitch blocking section by charge door; The discharging section of pit shaft analogue means stretches out outside the casing of thermostatical oil bath cabinet, and the end of discharging section is formed with discharge gate, so that the pitch of de-plugging and solution putty are discharged pit shaft analogue means.
As further optimization of the present utility model, the top of pit shaft analogue means is provided with the thermometer that can show pit shaft internal temperature, and can show the tensimeter of pit shaft internal pressure.
As further optimization of the present utility model, the top of pit shaft analogue means is provided with air release, with the gas discharging by pit shaft inside.
As further optimization of the present utility model, temperature control equipment is provided with circuit overtemperature protection system.
The advantage that the utility model has compared to prior art is,
(1) the utility model structure simple, be easy to operation, effectively improve measuring accuracy and the testing efficiency of pitch de-plugging experiment;
(2) the utility model saves time, and whole analogue means can complete all operations process of pitch de-plugging simulation, and can carry out many operation stepss simultaneously, has saved manpower and time;
(3) setting of the utility model radiator valve, makes oil bath temperature maintain a stable state, improves accuracy and the repeatability of test.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model medium pitch solution plugging simulation apparatus.
Embodiment
Below, by exemplary embodiment, the utility model is specifically described.But should be appreciated that element, structure and feature in an embodiment also can be attached in other embodiments valuably when not describing further.
See Fig. 1, for being the structural representation of the utility model medium pitch solution plugging simulation apparatus, as shown in Figure 1, pitch solution plugging simulation apparatus of the present utility model, for the simulated experiment of pitch de-plugging in the wellbore, comprising can the thermostatical oil bath cabinet 2 of splendid attire conduction oil 9, and inside can be filled with the pit shaft analogue means 3 of pitch, pit shaft analogue means 3 extend in thermostatical oil bath cabinet 2, pitch blocking place be filled with in pit shaft analogue means 3 is immersed in the conduction oil in thermostatical oil bath cabinet, to control the temperature of pitch blocking section; Separate putty and enter into pitch blocking from the upper end of pit shaft analogue means 3, the pitch of de-plugging flows out from the lower end of pit shaft analogue means 3 with solution putty.
The casing of above-mentioned thermostatical oil bath cabinet 2 is provided with temperature control equipment 1, temperature control equipment 1 is provided with temp controlled meter 4, this temp controlled meter 4 is preferably digital display adjustable temp table, more directly perceived clearer to make temperature control, by the temperature value of display on temp controlled meter 4, temperature control equipment 1 controls the temperature of conduction oil in thermostatical oil bath cabinet 2, and to reach the temperature of setting, this design temperature can set as the case may be and artificially; Temperature control equipment 1 is provided with circuit overtemperature protection system, when temperature is too high, automatic break-off signal control device 1, to protect temperature control equipment.
With further reference to Fig. 1, on thermostatical oil bath cabinet 2, parallel being provided with organizes heating tube 8 more from top to bottom, often organizes the equal ring of heating tube and is located on casing, with the conduction oil in heated constant temperature oil bath case, until reach design temperature.In addition, the outer setting of thermostatical oil bath cabinet 2 has thermal insulation protection to overlap 7, prevents the heat bridges in thermostatical oil bath cabinet 2.
The bottom of thermostatical oil bath cabinet 2 is provided with temperature sensor 6, the temperature of conduction oil in Real-Time Monitoring thermostatical oil bath cabinet, when the temperature in thermostatical oil bath cabinet 2 is below or above design temperature, by heating or cooling the conduction oil oil temperature in thermostatical oil bath cabinet, until reach design temperature.Thermostatical oil bath cabinet 2 also includes the case lid 10 for covering thermostatical oil bath cabinet, and is arranged on the oil extraction valve 5 of bottom half for being discharged by box house conduction oil.
With further reference to Fig. 1, above-mentioned pit shaft analogue means 3 is followed successively by feed zone from top to bottom, pitch blocking section 13 and discharging section, and wherein feed zone stretches out thermostatical oil bath cabinet 2, feed zone is provided with charge door 11, separates putty and enter into pitch blocking section 13 by charge door 11; The discharging section of pit shaft analogue means 3 stretches out outside the casing of thermostatical oil bath cabinet, and the end of discharging section is formed with discharge gate 12, so that the pitch of de-plugging and solution putty are discharged pit shaft analogue means.
The top of pit shaft analogue means 3 is provided with the thermometer 15 that can show pit shaft internal temperature, and the tensimeter 16 of pit shaft internal pressure can be shown, by the real-time display of thermometer 15 and tensimeter 16, to control temperature and the force value of pit shaft analogue means 3 inside, make it consistent with the working environment in simulated object.
The top of pit shaft analogue means 3 is provided with air release 14, with the gas discharging by pit shaft inside.
Before utility model works, first fill up pitch blocking section 13 by bituminous matter, record adds the quality m1 of pitch, uncap 10, directly conduction oil is added oil bath case 2, flood the highest heating tube, open radiator valve 1 design temperature, after heating temperatures to assigned temperature, add de-plugging agent from the charge door 11 of wellbore hole simulator device 3, record the quality m2 added, after reaction fixed time h, open discharge gate 12, the quality m3 of solution discharged in (first opening air release 14 before opening discharge gate to be vented) record; Then by following formulae discovery: dissolution rate computing formula=(m3-m2)/m1, rate of dissolution computing formula=(m3-m2)/h.
Be appreciated that the utility model is described by some embodiments, those skilled in the art know, when not departing from spirit and scope of the present utility model, can carry out various change or equivalence replacement to these characteristic sum embodiments.In addition, under instruction of the present utility model, can modify to adapt to concrete situation and material to these characteristic sum embodiments and spirit and scope of the present utility model can not be departed from.Therefore, the utility model is by the restriction of specific embodiment disclosed herein, and the embodiment in the right of all the application of falling into all belongs in the scope that the utility model protects.
Claims (10)
1. a pitch solution plugging simulation apparatus, for the simulated experiment of pitch de-plugging in the wellbore, it is characterized in that, comprising can the thermostatical oil bath cabinet (2) of splendid attire conduction oil (9), and inside can be filled with the tubulose pit shaft analogue means (3) of pitch, pit shaft analogue means (3) extend in thermostatical oil bath cabinet (2), pitch blocking place of filling in pit shaft analogue means (3) is immersed in the conduction oil in thermostatical oil bath cabinet, to control the temperature of pitch blocking section; Separate putty and enter into pitch blocking from the upper end of pit shaft analogue means (3), the pitch of de-plugging flows out from the lower end of pit shaft analogue means (3) with solution putty.
2. pitch solution plugging simulation apparatus according to claim 1, it is characterized in that, the casing of thermostatical oil bath cabinet (2) is provided with temperature control equipment (1), temperature control equipment (1) is provided with temp controlled meter (4), to control the temperature of conduction oil in thermostatical oil bath cabinet (2).
3. pitch solution plugging simulation apparatus according to claim 1, it is characterized in that, on thermostatical oil bath cabinet (2), parallel being provided with organizes heating tube (8) more from top to bottom, often organizing the equal ring of heating tube is located on casing, with the conduction oil in heated constant temperature oil bath case, until reach design temperature.
4. pitch solution plugging simulation apparatus according to claim 1, it is characterized in that, the outer setting of thermostatical oil bath cabinet (2) has thermal insulation protection cover (7).
5. pitch solution plugging simulation apparatus according to claim 1, it is characterized in that, the bottom of thermostatical oil bath cabinet (2) is provided with temperature sensor (6), with the temperature of conduction oil in Real-Time Monitoring thermostatical oil bath cabinet.
6. pitch solution plugging simulation apparatus according to claim 1, it is characterized in that, thermostatical oil bath cabinet (2) also includes the case lid (10) for covering thermostatical oil bath cabinet, and is arranged on the oil extraction valve (5) of bottom half for being discharged by box house conduction oil.
7. pitch solution plugging simulation apparatus according to claim 1, it is characterized in that, pit shaft analogue means (3) is followed successively by feed zone from top to bottom, pitch blocking section (13) and discharging section, wherein feed zone stretches out thermostatical oil bath cabinet (2), feed zone is provided with charge door (11), separates putty and enter into pitch blocking section (13) by charge door (11); The discharging section of pit shaft analogue means (3) stretches out outside the casing of thermostatical oil bath cabinet, and the end of discharging section is formed with discharge gate (12), so that the pitch of de-plugging and solution putty are discharged pit shaft analogue means.
8. pitch solution plugging simulation apparatus according to claim 1, it is characterized in that, the top of pit shaft analogue means (3) is provided with the thermometer (15) that can show pit shaft internal temperature, and can show the tensimeter (16) of pit shaft internal pressure.
9. pitch solution plugging simulation apparatus according to claim 1, it is characterized in that, the top of pit shaft analogue means (3) is provided with air release (14), with the gas discharging by pit shaft inside.
10. pitch solution plugging simulation apparatus according to claim 2, it is characterized in that, (1) is provided with circuit overtemperature protection system with temperature control equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520220051.5U CN204679365U (en) | 2015-04-13 | 2015-04-13 | A kind of pitch solution plugging simulation apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520220051.5U CN204679365U (en) | 2015-04-13 | 2015-04-13 | A kind of pitch solution plugging simulation apparatus |
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| CN204679365U true CN204679365U (en) | 2015-09-30 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254287A (en) * | 2018-01-24 | 2018-07-06 | 河海大学 | A kind of porous asphalt mixture hole dredging performance testing device and test method |
| CN111912732A (en) * | 2020-08-12 | 2020-11-10 | 成都派倬石油科技有限公司 | Open type experimental device and method for simulating multi-slug plug removal process |
| CN111929402A (en) * | 2020-08-12 | 2020-11-13 | 西南石油大学 | Open type experimental device and method for simulating single-section plug unblocking technological process |
| CN112814652A (en) * | 2021-01-13 | 2021-05-18 | 江苏联友科研仪器有限公司 | Visual model cauldron for ultralow gas permeability |
-
2015
- 2015-04-13 CN CN201520220051.5U patent/CN204679365U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254287A (en) * | 2018-01-24 | 2018-07-06 | 河海大学 | A kind of porous asphalt mixture hole dredging performance testing device and test method |
| CN108254287B (en) * | 2018-01-24 | 2020-07-17 | 河海大学 | Porous asphalt mixture pore dredging performance testing device and testing method |
| CN111912732A (en) * | 2020-08-12 | 2020-11-10 | 成都派倬石油科技有限公司 | Open type experimental device and method for simulating multi-slug plug removal process |
| CN111929402A (en) * | 2020-08-12 | 2020-11-13 | 西南石油大学 | Open type experimental device and method for simulating single-section plug unblocking technological process |
| CN112814652A (en) * | 2021-01-13 | 2021-05-18 | 江苏联友科研仪器有限公司 | Visual model cauldron for ultralow gas permeability |
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