CN205063927U - Viscous crude thermal recovery horizontal section becomes mobile simulation experiment device of quality along journey - Google Patents
Viscous crude thermal recovery horizontal section becomes mobile simulation experiment device of quality along journey Download PDFInfo
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- CN205063927U CN205063927U CN201520838534.1U CN201520838534U CN205063927U CN 205063927 U CN205063927 U CN 205063927U CN 201520838534 U CN201520838534 U CN 201520838534U CN 205063927 U CN205063927 U CN 205063927U
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Abstract
The utility model relates to a viscous crude thermal recovery horizontal section becomes mobile simulation experiment device of quality along journey, including the model barrel, the inside enclosure space that forms of model barrel, the simulation wellbore hole is worn to establish at the enclosure space from the one end level of model barrel, the first end of simulation wellbore hole stretches out model barrel outside, is equipped with perforation or slot on the simulation wellbore hole, it has the back -up sand to fill between simulation wellbore hole and the model barrel, be formed with the passageway in the crossover sub, conversion joint sealing sets up the first end at the simulation wellbore hole, and passageway and the inside intercommunication of simulation wellbore hole, the flow in pipes includes an injection end and the 2nd injection end, and just an injection end and the 2nd injection end all are equipped with the ooff valve, the passageway passes through sealing joint joint injection pipeline, in an injection end stretched into the passageway, the 2nd injection end stretched into in the simulation wellbore hole. The utility model discloses can simulate different oil reservoir conditions, different tubular column form, difference gives vent to anger some positions, the different fluid horizontal segment down that injects into and becomes the mobile characteristic of quality along the journey.
Description
Technical field
The utility model relates to oil and geology oil gas field engineering research field, particularly relates to a kind of heavy crude heat extraction net horizontal section along journey variable mass flow analogue experimental facilities.
Background technology
Physical analogy is the important channel of understanding oil reservoir development process and Study of Fluid flowing law.In oil reservoir, be there is the feature along journey mass variable flow in fluid Injection Level well.Heavy crude reservoir is different from conventional oil reservoir, because viscous crude has higher viscosity, mainly takes Simulation on whole pay zones, and steam injection development is its main development scheme.For heavy crude heat extraction horizontal well, no matter be note saturated vapour or multielement hot fluid, net horizontal section is the key issue that horizontal well thermal production process faces along the mass variable flow feature of journey always, and this flow performance is mainly caused along the pressure loss feature etc. of journey by the flow performance along journey Heterogeneous Characteristics, eyelet on horizontal segment stratum and pit shaft.Horizontal well has considerable influence along journey mass variable flow feature to the dynamic analysis of horizontal well and evaluating production capacity, has important directive function to exploring the effective measures improving horizontal well development effect.
At present focus mostly in the research of light oil reservoirs waterflooding development process for horizontal well along the research of journey mass variable flow feature, wherein, the numerical computations of pit shaft mass variable flow rule or use the numerical simulation of business software more.Also have relevant pit shaft physical model, but it can not consider that steam and oil reservoir are for the combined influence of pit shaft mass variable flow feature, are not suitable for the PHYSICAL MODELING OF IN of heavy crude heat extraction horizontal well horizontal segment along journey mass variable flow feature.For heavy crude heat extraction horizontal well horizontal segment mass variable flow properties study, current research is comprehensive still not, particularly consider inject fluid, the mass variable flow feature of impact tubing string form, give vent to anger a position and horizontal segment stratum non-homogeneous degree etc. inhale vapour feature, to(for) horizontal segment.Available physical simulation experiment device has no report especially.
In order to simulate heavy crude heat extraction horizontal well horizontal segment more really along journey mass variable flow feature, simple numerical computations and business software analog study can not characterize its mass variable flow feature really.Therefore, in the urgent need to a kind of can on the basis of meeting geometric similarity Condition, the physical model that diverse in function, performance meet, implementation is strong.
Thus, the utility model relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of heavy crude heat extraction net horizontal section along journey variable mass flow analogue experimental facilities, to overcome the defect of prior art.
Utility model content
The purpose of this utility model is to provide a kind of heavy crude heat extraction net horizontal section along journey variable mass flow analogue experimental facilities, can simulate different reservoir condition, different tubing string form, difference give vent to anger a position, differently inject horizontal segment under fluid along journey mass variable flow feature.
The purpose of this utility model is achieved in that a kind of heavy crude heat extraction net horizontal section is along journey variable mass flow analogue experimental facilities, and described analogue experiment installation comprises:
Model cylindrical shell, described model inner barrel forms an enclosure space;
Simulation wellbore hole, described simulation wellbore hole is located in described enclosure space from one end level of described model cylindrical shell; The first end of simulation wellbore hole reaches described model cylindrical shell outside, and described simulation wellbore hole is provided with perforation or slot; Back-up sand is filled with between described simulation wellbore hole and described model cylindrical shell;
Crossover sub, is formed with passage in described crossover sub, and described crossover sub sealing is arranged on the first end of described simulation wellbore hole, and described passage is communicated with described simulation wellbore hole inside;
Flow in pipes, described flow in pipes comprises the first injection end and the second injection end, and described first injection end and the second injection end are equipped with switch valve; Described passage connects described flow in pipes by seal nipple; Described first injection end extend in described passage, and described second injection end extend in described simulation wellbore hole.
In a better embodiment of the present utility model, the second end of simulation wellbore hole reaches described model cylindrical shell outside; Described crossover sub comprises the first crossover sub and the second crossover sub, and described first crossover sub and the second crossover sub seal the first end and the second end that are arranged on described simulation wellbore hole respectively; The passage of described second crossover sub is communicated with described simulation wellbore hole inside;
Described flow in pipes also comprises the 3rd injection end and the 4th injection end, and described 3rd injection end and the 4th injection end are equipped with switch valve; First injection end extend in the passage of described first crossover sub, and the 3rd injection end extend in the passage of described second crossover sub, and the second injection end and the 4th injection end all extend in described simulation wellbore hole.
In a better embodiment of the present utility model, be formed with first passage and second channel in described crossover sub, described first passage and described second channel are interconnected, and described first passage is communicated with described simulation wellbore hole inside with described second channel; Described first passage is connected described flow in pipes with described second channel respectively by seal nipple.
In a better embodiment of the present utility model, the horizontal-extending direction along described simulation wellbore hole arranges multiple temperature pick up and multiple pressure sensor in interval successively, and described temperature pick up is all connected with data acquisition unit with pressure sensor; Described temperature pick up is arranged in back-up sand the temperature measured along the back-up sand of horizontal-extending direction, and described pressure sensor is connected to the pressure described simulation wellbore hole measured along fluid in the simulation wellbore hole of horizontal-extending direction.
In a better embodiment of the present utility model, described model cylindrical shell is provided with temperature pick up screwed hole, pressure sensor screwed hole, discharge opeing screwed hole; Described temperature pick up is placed in the diverse location of back-up sand through described temperature pick up screwed hole; Described pressure sensor is connected with described simulation wellbore hole through described pressure sensor screwed hole; Described discharge opeing screwed hole is connected with back-pressure valve by pipeline.
In a better embodiment of the present utility model, the surrounding of described model cylindrical shell is evenly provided with the described discharge opeing screwed hole of four row, and often arrange described discharge opeing screwed hole and arrange along the horizontal-extending direction of described simulation wellbore hole, described discharge opeing screwed hole connects a back-pressure valve by pipeline.
In a better embodiment of the present utility model, described model cylindrical shell is cylinder barrel shaped, described model cylindrical shell horizontal positioned, and its two ends are all closed by the flange removably connected.
In a better embodiment of the present utility model, the horizontal-extending direction along described simulation wellbore hole arranges multiple temperature pick up and multiple pressure sensor in interval successively, and described temperature pick up is all connected with data acquisition unit with pressure sensor; Described temperature pick up is arranged in back-up sand the temperature measured along the back-up sand of horizontal-extending direction, and described pressure sensor is connected to the pressure described simulation wellbore hole measured along fluid in the simulation wellbore hole of horizontal-extending direction.
In a better embodiment of the present utility model, described model cylindrical shell is provided with temperature pick up screwed hole, pressure sensor screwed hole, discharge opeing screwed hole; Described temperature pick up is placed in the diverse location of back-up sand through described temperature pick up screwed hole; Described pressure sensor is connected with described simulation wellbore hole through described pressure sensor screwed hole; Described discharge opeing screwed hole is connected with back-pressure valve by pipeline.
In a better embodiment of the present utility model, the surrounding of described model cylindrical shell is evenly provided with the described discharge opeing screwed hole of four row, and often arrange described discharge opeing screwed hole and arrange along the horizontal-extending direction of described simulation wellbore hole, described discharge opeing screwed hole connects a back-pressure valve by pipeline; Described model cylindrical shell is cylinder barrel shaped, described model cylindrical shell horizontal positioned, and its two ends are all closed by the flange removably connected.
From the above mentioned, the utility model solves existing physical model cannot to simulate in the different tubing string completion forms of heavy crude heat extraction horizontal well horizontal segment along the shortcoming of journey flow performance, can by selective filling back-up sand, change flow in pipes injection end and stretch into position in simulation wellbore hole, change the form of simulation wellbore hole and change and inject that fluid realizes simulating different reservoir condition, different tubing string form, difference give vent to anger a position, differently inject horizontal segment under fluid along journey mass variable flow feature.And manufacture craft simple, can reuse, greatly reduce experimental cost.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: be the structural representation of the utility model analogue experiment installation detailed description of the invention.
Fig. 2: be the schematic diagram of the first simulated experiment process of the utility model.
Fig. 3: be the schematic diagram of the utility model the second and the 4th kind of simulated experiment process.
Fig. 4: be the schematic diagram of the third simulated experiment process of the utility model.
Fig. 5: for the utility model adopts the schematic diagram of slot type simulated pit shaft.
Fig. 6: for the utility model adopts the schematic diagram of variety classes back-up sand.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described.
The utility model provides a kind of heavy crude heat extraction net horizontal section along journey variable mass flow analogue experimental facilities, tests along journey mass variable flow characteristic simulation for the horizontal segment under the different reservoir condition of horizontal wells in heavy oil reservoir, different tubing string form.This analogue experiment installation comprises model cylindrical shell, simulation wellbore hole, crossover sub and flow in pipes.Model inner barrel forms an enclosure space; Simulation wellbore hole is located in enclosure space from one end level of model cylindrical shell; The first end of simulation wellbore hole reaches model cylindrical shell outside, the other end of simulation wellbore hole can reach model cylindrical shell outside, also can not stretch out model cylindrical shell outside and be positioned at enclosure space, the other end of simulation wellbore hole can carry out shutoff or open as required in experimentation.Simulation wellbore hole is provided with perforation or slot; Back-up sand is filled with between simulation wellbore hole and model cylindrical shell.Be formed with passage in crossover sub, crossover sub sealing is arranged on the first end of simulation wellbore hole, and passage is communicated with simulation wellbore hole inside.Flow in pipes comprises the first injection end and the second injection end, and the first injection end and the second injection end are equipped with switch valve; Passage connects flow in pipes by seal nipple; First injection end extend in passage, and the second injection end extend in simulation wellbore hole.
The utility model can realize homogeneous (or heterogeneous body) heavy crude reservoir by selecting the back-up sand of different quartz sand particle size and dissimilar viscous crude composition; Different tubular column structure form is realized by using different injection pipelines and the combination of simulation wellbore hole; Different completion mode (perforation or slot) can be realized by selecting multi-form simulation wellbore hole; By injection pipeline is extend into the simulation that diverse location in simulation wellbore hole realizes different gas injection point position (heel end, toe-end, middle part); Different simulation of injecting fluid (steam, compound thermal fluid) is realized by selecting to inject different hot fluids.Make model have functional diversity and flexibility, and simulation wellbore hole manufacture craft simple, can reuse, greatly reduce experimental cost.
As wherein a kind of embodiment, it is outside that the first end of simulation wellbore hole and the second end all reach model cylindrical shell, crossover sub comprises the first crossover sub and the second crossover sub, and the first crossover sub and the second crossover sub seal the first end and the second end that are arranged on simulation wellbore hole respectively; The passage of the second crossover sub is also communicated with simulation wellbore hole inside; Flow in pipes also comprises the 3rd injection end and the 4th injection end, and the 3rd injection end and the 4th injection end are equipped with switch valve; First injection end extend in the passage of the first crossover sub, and the 3rd injection end extend in the passage of the second crossover sub, and the second injection end and the 4th injection end all extend in simulation wellbore hole.
This embodiment is in order to easy to use, and the two ends of simulation wellbore hole form symmetrical structure, and use wherein either side all can test, only need during experimental implementation to use one end, the switch valve of the injection end be connected with other end crossover sub cuts out.
Passage above in said crossover sub can only have one, and also can be arranged to two i.e. first passage and second channels, first passage and second channel are interconnected, and first passage is communicated with simulation wellbore hole inside with second channel; First passage is connected flow in pipes with second channel respectively by seal nipple.When only having the first end of simulation wellbore hole to arrange crossover sub, the first injection end of flow in pipes extend in second channel, and the second injection end extend in simulation wellbore hole through first passage.When the first end of simulation wellbore hole and the second end all arrange crossover sub, first injection end extend in the second channel of the first crossover sub, 3rd injection end extend in the second channel of the second crossover sub, and the second injection end and the 4th injection end extend in simulation wellbore hole respectively through the first passage of the first crossover sub and the second crossover sub.
Below in conjunction with accompanying drawing 1, a detailed description of the invention of the present utility model is described, analogue experiment installation comprises model cylindrical shell 1, flange 2, simulation wellbore hole 3, back-up sand 4, crossover sub 5, back-pressure valve 6, temperature pick up 7, pressure sensor 8, data acquisition unit 9, high pressure line 10, oil pipe injects valve 11 (being equivalent to switch valve), sleeve pipe injects valve 12 (being equivalent to switch valve).Model cylindrical shell 1 is cylindrical shape, its barrel is equally spaced 70 temperature pick up screwed holes, 10 pressure sensor screwed holes, 36 discharge opeing screwed holes, temperature pick up screwed hole, pressure sensor screwed hole, discharge opeing screwed hole are all arranged along the horizontal-extending direction of simulation wellbore hole successively interval, form four row along the distribution of model cylindrical shell 1 even circumferential.Have an earhole in the middle part of flange 2, dismountable model cylindrical shell 1 two ends that are installed on of flange 2 are closed.Simulation wellbore hole 3 is horizontal through the enclosure space in model cylindrical shell 1, and simulation wellbore hole 3 two ends are each passed through earhole in the middle part of the flange of two ends and and are formed between earhole and seal.Back-up sand 4 is loaded between model cylindrical shell 1 and simulation wellbore hole 3.Crossover sub 5 is seal-installed on the two ends of simulation wellbore hole 3; High pressure line 10 is adopted to carry out simulated injection pipeline and form each injection end, back-pressure valve 6 is connected with the discharge opeing screwed hole on model cylindrical shell 1 by pipeline, liquid in model cylindrical shell 1 can be discharged through back-pressure valve 6, the pressure of back-pressure valve 6 can adjust, by adjusting the Stress control discharge opeing pressure of back-pressure valve 6.Temperature pick up 7 is placed in back-up sand 4 diverse location through temperature pick up screwed hole, measures the temperature along the back-up sand of horizontal-extending direction; Pressure sensor 8 is connected with simulation wellbore hole 3 through pressure sensor screwed hole, measures the pressure along fluid in the simulation wellbore hole of horizontal-extending direction.Temperature pick up 7, pressure sensor 8 are all connected with data acquisition unit 9, realize real time data and automatically gather.
Can experimentally need, simulation wellbore hole 3 adopts the form of perforation or slot to simulate different completion mode, is illustrated in figure 5 the simulation wellbore hole 3 of slot form.High pressure line 10 for simulating oil pipe (namely extending into the injection end of flow in pipes in simulation wellbore hole) can extend into diverse location in simulation wellbore hole 3, simulates different gas injection point positions.Be equivalent to the second injection end and the 4th injection end extend in simulation wellbore hole respectively through the first passage of the first crossover sub and the second crossover sub.
As shown in Figure 6, back-up sand 4 experimentally can need adjustment filling method, charges type and filling operation simulation homogeneous or heterogeneous reservoir.Concrete, model cylindrical shell 1 length is 780mm, and internal diameter is Φ 150mm; The long 960mm of simulation wellbore hole 3, internal diameter is Φ 6.0mm; If adopt the simulation wellbore hole 3 of perforation shape, perforation diameter is Φ 0.5mm, if adopt the simulation wellbore hole 3 of slot shape, slot stitches long 70mm, stitches wide 1.5mm; The high pressure line internal diameter adopted is Φ 2.0mm.
Oil pipe injects valve 11 and is all connected with gas injection pump with steam generator with sleeve pipe injection valve 12 upstream; Namely flow in pipes is connected with gas injection pump with steam generator, carries out the operation of injecting fluid respectively by each injection end.Back-pressure valve 6 downstream is connected with oil-gas-water metering system by pipeline.
The four kinds of experimentations using the utility model experimental facilities are described see Fig. 2 to Fig. 4.
Embodiment one
As shown in Figure 2, high pressure line 10 (the second injection end or the 4th injection end) for simulating oil pipe extend into simulation wellbore hole 3 heel end (left end of Fig. 2), open oil pipe and inject valve 11, close sleeve pipe and inject valve 12, the fluid of injection enters simulation wellbore hole 3 heel end from the second injection end or the 4th injection end.This embodiment is for simulating homogeneous (or heterogeneous body) heavy crude reservoir horizontal well thermal recovery single tubing string-perforation (or slot) completion-heel end steam injection (or compound thermal fluid) horizontal segment along journey mass variable flow process.
Its experiment flow: first assemble experimental model, and back-up sand 4 is loaded in model cylindrical shell 1, setting back-pressure valve 6 pressure is that experiment needs pressure, is saturated to by crude oil in model cylindrical shell 1.The oil pipe (the second injection end or the 4th injection end) of secondly being simulated by high pressure line 10 extends simulation wellbore hole 3 heel end, open oil pipe and inject valve 11, close sleeve pipe and inject valve 12, injected by high-temperature steam from simulation wellbore hole 3 heel end, fluid flows out from tapping line simultaneously.Alter rear stopping experiment to complete vapour, disassemble and washing moulding, change different back-up sands, simulation wellbore hole form and inject fluid, repeating above experimental procedure.In experimentation, by the data acquisition unit 9 inner real time temperature of record cast and pressure data automatically, and by oil-gas-water metering system log (SYSLOG) horizontal segment along journey lifting rate.
Embodiment two
As shown in Figure 3, extend into simulation wellbore hole 3 toe-end (right-hand member of Fig. 3) for the high pressure line 10 (the second injection end or the 4th injection end) of simulating oil pipe, open oil pipe and inject valve 11, close sleeve pipe and inject valve 12.This embodiment is for simulating homogeneous (or heterogeneous body) heavy crude reservoir horizontal well thermal recovery single tubing string-perforation (or slot) completion-toe-end steam injection (or compound thermal fluid) horizontal segment along journey mass variable flow process.
Its experiment flow: first assemble experimental model, and back-up sand 4 is loaded in model cylindrical shell 1, setting back-pressure valve 6 pressure is that experiment needs pressure, is saturated to by crude oil in model cylindrical shell 1.Secondly the oil pipe that high pressure line 10 is simulated is extended simulation wellbore hole 3 toe-end, open oil pipe and inject valve 11, close sleeve pipe and inject valve 12, injected by high-temperature steam from simulation wellbore hole 3 toe-end, fluid flows out from tapping line simultaneously.Alter rear stopping experiment to complete vapour, disassemble and washing moulding, change different back-up sands, simulation wellbore hole and injection fluid, repeat above experimental procedure.In experimentation, by the data acquisition unit 9 inner temperature and pressure data in real time of record cast automatically, and by oil-gas-water metering system log (SYSLOG) horizontal segment along journey lifting rate.
Embodiment three
As shown in Figure 4, extend in the middle part of simulation wellbore hole 3 for the high pressure line 10 (the second injection end or the 4th injection end) of simulating oil pipe, open oil pipe and inject valve 11, close sleeve pipe and inject valve 12.This example is for simulating homogeneous (or heterogeneous body) heavy crude reservoir horizontal well thermal recovery single tubing string-perforation (or slot) completion-middle part steam injection (or compound thermal fluid) horizontal segment along journey mass variable flow process.
Its experiment flow: first assemble experimental model, and back-up sand 4 is loaded in model cylindrical shell 1, setting back-pressure valve 6 pressure is that experiment needs pressure, is saturated to by crude oil in model cylindrical shell 1.Secondly extended in the middle part of simulation wellbore hole 3 by the oil pipe that high pressure line 10 is simulated, open oil pipe and inject valve 11, close sleeve pipe and inject valve 12, injected by high-temperature steam in the middle part of simulation wellbore hole 3, fluid flows out from tapping line simultaneously.Alter rear stopping experiment to complete vapour, disassemble and washing moulding, change different back-up sands, simulation wellbore hole and injection fluid, repeat above experimental procedure.In experimentation, by the data acquisition unit 9 inner temperature and pressure data in real time of record cast automatically, and by oil-gas-water metering system log (SYSLOG) horizontal segment along journey lifting rate.
Embodiment four
As shown in Figure 3, extend into simulation wellbore hole 3 toe-end for the high pressure line 10 (the second injection end or the 4th injection end) of simulating oil pipe, open oil pipe and inject valve 11 and sleeve pipe injection valve 12.This embodiment is for simulating homogeneous (or heterogeneous body) heavy crude reservoir horizontal well thermal recovery concentric double pipe-perforation (or slot) completion-two ends steam injection (or compound thermal fluid) horizontal segment along journey mass variable flow process.
Its experiment flow: first assemble experimental model, and back-up sand 4 is loaded in model cylindrical shell 1, setting back-pressure valve 6 pressure is that experiment needs pressure, is saturated to by crude oil in model cylindrical shell 1.Secondly the oil pipe that high pressure line 10 is simulated is extended simulation wellbore hole 3 toe-end, open oil pipe and inject valve 11, high-temperature steam is injected from simulation wellbore hole 3 toe-end, open sleeve pipe and inject valve 12, injected from simulation wellbore hole 3 heel end by high-temperature steam, fluid flows out from tapping line simultaneously.Alter rear stopping experiment to complete vapour, disassemble and washing moulding, change different back-up sands, simulation wellbore hole and injection fluid, repeat above experimental procedure.In experimentation, by the data acquisition unit 9 inner temperature and pressure data in real time of record cast automatically, and by oil-gas-water metering system log (SYSLOG) horizontal segment along journey lifting rate.
From the above mentioned, the simulation of the utility model by selecting the back-up sand of different quartz sand particle size and dissimilar viscous crude composition can realize homogeneous (or heterogeneous body) heavy crude reservoir; The simulation that different simulation tubing string can realize different tubular column structure (single tubing string, concentric double pipe) is formed by selective assembled casing and high pressure line; By the simulation selecting multi-form sleeve pipe can realize different completion mode (perforation, slot); Realize difference to give vent to anger the simulation at a position (heel end, toe-end, middle part) by selecting high pressure line to extend into diverse location in sleeve pipe; Different simulation of injecting fluid (steam, compound thermal fluid) is realized by selecting to inject different hot fluids.Experimental model functional diversity, flexibility are good, and simulation wellbore hole manufacture craft simple, can reuse, greatly reduce experimental cost.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (10)
1. heavy crude heat extraction net horizontal section is along a journey variable mass flow analogue experimental facilities, it is characterized in that, described analogue experiment installation comprises:
Model cylindrical shell, described model inner barrel forms an enclosure space;
Simulation wellbore hole, described simulation wellbore hole is located in described enclosure space from one end level of described model cylindrical shell; The first end of simulation wellbore hole reaches described model cylindrical shell outside, and described simulation wellbore hole is provided with perforation or slot; Back-up sand is filled with between described simulation wellbore hole and described model cylindrical shell;
Crossover sub, is formed with passage in described crossover sub, and described crossover sub sealing is arranged on the first end of described simulation wellbore hole, and described passage is communicated with described simulation wellbore hole inside;
Flow in pipes, described flow in pipes comprises the first injection end and the second injection end, and described first injection end and the second injection end are equipped with switch valve; Described passage connects described flow in pipes by seal nipple; Described first injection end extend in described passage, and described second injection end extend in described simulation wellbore hole.
2. heavy crude heat extraction net horizontal section as claimed in claim 1 is along journey variable mass flow analogue experimental facilities, it is characterized in that, the second end of simulation wellbore hole reaches described model cylindrical shell outside; Described crossover sub comprises the first crossover sub and the second crossover sub, and described first crossover sub and the second crossover sub seal the first end and the second end that are arranged on described simulation wellbore hole respectively; The passage of described second crossover sub is communicated with described simulation wellbore hole inside;
Described flow in pipes also comprises the 3rd injection end and the 4th injection end, and described 3rd injection end and the 4th injection end are equipped with switch valve; First injection end extend in the passage of described first crossover sub, and the 3rd injection end extend in the passage of described second crossover sub, and the second injection end and the 4th injection end all extend in described simulation wellbore hole.
3. heavy crude heat extraction net horizontal section as claimed in claim 1 or 2 is along journey variable mass flow analogue experimental facilities, it is characterized in that, first passage and second channel is formed in described crossover sub, described first passage and described second channel are interconnected, and described first passage is communicated with described simulation wellbore hole inside with described second channel; Described first passage is connected described flow in pipes with described second channel respectively by seal nipple.
4. heavy crude heat extraction net horizontal section as claimed in claim 1 or 2 is along journey variable mass flow analogue experimental facilities, it is characterized in that, horizontal-extending direction along described simulation wellbore hole arranges multiple temperature pick up and multiple pressure sensor in interval successively, and described temperature pick up is all connected with data acquisition unit with pressure sensor; Described temperature pick up is arranged in back-up sand the temperature measured along the back-up sand of horizontal-extending direction, and described pressure sensor is connected to the pressure described simulation wellbore hole measured along fluid in the simulation wellbore hole of horizontal-extending direction.
5. heavy crude heat extraction net horizontal section as claimed in claim 4 is along journey variable mass flow analogue experimental facilities, and it is characterized in that, described model cylindrical shell is provided with temperature pick up screwed hole, pressure sensor screwed hole, discharge opeing screwed hole; Described temperature pick up is placed in the diverse location of back-up sand through described temperature pick up screwed hole; Described pressure sensor is connected with described simulation wellbore hole through described pressure sensor screwed hole; Described discharge opeing screwed hole is connected with back-pressure valve by pipeline.
6. heavy crude heat extraction net horizontal section as claimed in claim 5 is along journey variable mass flow analogue experimental facilities, it is characterized in that, the surrounding of described model cylindrical shell is evenly provided with the described discharge opeing screwed hole of four row, and often arrange described discharge opeing screwed hole and arrange along the horizontal-extending direction of described simulation wellbore hole, described discharge opeing screwed hole connects a back-pressure valve by pipeline.
7. heavy crude heat extraction net horizontal section as claimed in claim 6 is along journey variable mass flow analogue experimental facilities, and it is characterized in that, described model cylindrical shell is cylinder barrel shaped, described model cylindrical shell horizontal positioned, and its two ends are all closed by the flange removably connected.
8. heavy crude heat extraction net horizontal section as claimed in claim 3 is along journey variable mass flow analogue experimental facilities, it is characterized in that, horizontal-extending direction along described simulation wellbore hole arranges multiple temperature pick up and multiple pressure sensor in interval successively, and described temperature pick up is all connected with data acquisition unit with pressure sensor; Described temperature pick up is arranged in back-up sand the temperature measured along the back-up sand of horizontal-extending direction, and described pressure sensor is connected to the pressure described simulation wellbore hole measured along fluid in the simulation wellbore hole of horizontal-extending direction.
9. heavy crude heat extraction net horizontal section as claimed in claim 8 is along journey variable mass flow analogue experimental facilities, and it is characterized in that, described model cylindrical shell is provided with temperature pick up screwed hole, pressure sensor screwed hole, discharge opeing screwed hole; Described temperature pick up is placed in the diverse location of back-up sand through described temperature pick up screwed hole; Described pressure sensor is connected with described simulation wellbore hole through described pressure sensor screwed hole; Described discharge opeing screwed hole is connected with back-pressure valve by pipeline.
10. heavy crude heat extraction net horizontal section as claimed in claim 9 is along journey variable mass flow analogue experimental facilities, it is characterized in that, the surrounding of described model cylindrical shell is evenly provided with the described discharge opeing screwed hole of four row, and often arrange described discharge opeing screwed hole and arrange along the horizontal-extending direction of described simulation wellbore hole, described discharge opeing screwed hole connects a back-pressure valve by pipeline; Described model cylindrical shell is cylinder barrel shaped, described model cylindrical shell horizontal positioned, and its two ends are all closed by the flange removably connected.
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| CN201520838534.1U CN205063927U (en) | 2015-10-27 | 2015-10-27 | Viscous crude thermal recovery horizontal section becomes mobile simulation experiment device of quality along journey |
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| CN201520838534.1U CN205063927U (en) | 2015-10-27 | 2015-10-27 | Viscous crude thermal recovery horizontal section becomes mobile simulation experiment device of quality along journey |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239981A (en) * | 2015-10-27 | 2016-01-13 | 中国石油大学(北京) | Heavy oil thermal recovery horizontal well section spatially variable-mass flow simulation experiment device |
| CN110513091A (en) * | 2019-09-09 | 2019-11-29 | 中国海洋石油集团有限公司 | A kind of long horizontal sections multiple spot steam injection measuring device for heavy crude heat extraction experiment |
| CN113419035A (en) * | 2021-06-15 | 2021-09-21 | 中国石油大学(北京) | Experimental device and experimental method for developing heavy oil reservoir through multi-medium composite SAGD |
-
2015
- 2015-10-27 CN CN201520838534.1U patent/CN205063927U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239981A (en) * | 2015-10-27 | 2016-01-13 | 中国石油大学(北京) | Heavy oil thermal recovery horizontal well section spatially variable-mass flow simulation experiment device |
| CN110513091A (en) * | 2019-09-09 | 2019-11-29 | 中国海洋石油集团有限公司 | A kind of long horizontal sections multiple spot steam injection measuring device for heavy crude heat extraction experiment |
| CN113419035A (en) * | 2021-06-15 | 2021-09-21 | 中国石油大学(北京) | Experimental device and experimental method for developing heavy oil reservoir through multi-medium composite SAGD |
| CN113419035B (en) * | 2021-06-15 | 2023-01-06 | 中国石油大学(北京) | Experimental device and experimental method for developing heavy oil reservoir through multi-medium composite SAGD |
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