CN203835304U - Foam discharging shaft sand carrying visualization experiment device - Google Patents
Foam discharging shaft sand carrying visualization experiment device Download PDFInfo
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- CN203835304U CN203835304U CN201420174191.9U CN201420174191U CN203835304U CN 203835304 U CN203835304 U CN 203835304U CN 201420174191 U CN201420174191 U CN 201420174191U CN 203835304 U CN203835304 U CN 203835304U
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Abstract
The utility model discloses a foam discharging shaft sand carrying visualization experiment device which comprises a transparent inner pipe and an outer pipe which are vertically arranged in a spaced mode, and the transparent inner pipe is sleeved with the outer pipe. The top and the bottom of the outer pipe are provided with a first outlet and a second outlet respectively, and the lower end of the outer pipe is provided with a sand adding opening. The top of the inner pipe is provided with a medium infusing pipeline, and the pipeline is connected with a air pipeline and a liquid pipeline in parallel through a foam generator. The liquid pipeline is internally provided with a liquid storing tank, a first centrifugal pump and a liquid flow meter. The air pipeline is internally provided with an air compressor, a air storing tank and a air flow meter. The first outlet of the outer pipe is connected to a sand setting chamber inlet through a sand discharge pipeline. The side wall of the outer pipe is provided with a plurality of flow speed measuring instrument sensors at intervals, and the sensors are electrically connected with a data receiving and processing device. One side of the outer pipe is provided with a high-definition camera device. The experiment device is used for visualization shaft sand carrying experiments and simulating the process of sand carrying by liquid or gas or foams, the sand carrying effect is studied, and the critical sand carrying speed can be derived.
Description
Technical field
The utility model is about a kind of simulation wellbore hole sediment outflow experimental facilities, relates in particular to a kind of bubble row pit shaft and takes sand visual experimental apparatus.
Background technology
In loose sand oil accumulation exploitation, oil field is for obtaining maximum economic benefit, adopts sand control and the production technology of taking sand facies and being combined.Compared with traditional anti-sand method, sand management cost is low, but has certain risk.Wherein, can the sand grains of assessment output be carried out the important content that pit shaft is this kind of technique risk research under different well type conditions, and the sand grains of output should be able to be carried to ground but not deposit to shaft bottom.Therefore, for given hole condition, formation condition and fluid composition, must keep certain output, make sand grains carrying energy can overcome its deposition power, the minimum entrainment velocity of sand grains just becomes important design parameters.
Density is little, filter loss is low owing to having for aerated fluid, taking grittiness can be good, the row's of helping ability is strong and to characteristics such as formation damage are little, be widely used in drilling well, completion, well workover and the well production increment operation of low pressure, leakage and water-sensitive strata.External aerated fluid is applied to the oil field history of existing more than 50 year, and China started at field use aerated fluid the sixties in 20th century.Yumen Oilfield in 1984 has been carried out the test of foam negative pressure sand washing process first, confirm that foam sand wash well-flushing is important measures that recover oil well output, has from then on started the application of aerated fluid sand-flushing technique and offshore oilfield land in China.
Existing foam sediment outflow well-flushing research focuses mostly in the pit shaft numerical simulation of the formulation optimization of blowing agent and additive thereof, the performance test of foam stream variable element, foam prop-carrying capacity and Oil Field test.At present, also the pit shaft that has scholar to carry out clear water and foam is taken sand experiment, the impact of sand is taken at research sand grains diameter and pit shaft inclination angle on aerated fluid, and has observed the migration mode of sand grains in pit shaft, provides fundamental basis and reference frame to carry out aerated fluid sediment outflow clean-out service for scene.
Existing clear water pit shaft is taken sand experimental facilities 9, as shown in Figure 2, this device comprises that liquid pumping device 91, fluid storage tanks 92, sand grains dispensing port, sand grains bearing device, transparent organic glass take sandpipe 93, oil/water retracting device, flow control valve 94, metering device and pipeline.This experimental facilities 9, owing to there is no gases at high pressure source and device restriction, has following shortcoming: 1) can only carry out clear water or neat liquid and take sand experiment, can not take sand to aerated fluid and simulate; 2) data acquisition of this device record manually.
Existing vertical gas gas well gas stream is taken sand experimental facilities 8, as shown in Figure 3, this device comprises motor, air compressor 81, elevated pressure nitrogen bottle 82, appendix 83, heterogeneous fluid experimental facilities recorder 84, enters sand device 85, vertical plastic pipe, sand removing hole 86, air-flow take sand and go out sandpipe 87, go out sandpipe end 871(and communicate with atmosphere).This device can adopt different tolerance and pressure to test, and observation different condition downstream is taken the situation of sand, and the critical sand speed of taking of checking gas can be used for deriving.The main purpose of this technology is that simulation gas well vertical bore is taken sand experiment, has the defect of following several respects: 1) this device can only be studied gas well vertical bore and take sand rule, can not Study of Liquid or foam pit shaft take sand; 2) this device can only be studied vertical bore and take sand rule.
Above-mentioned existing pit shaft is taken in sand experiment, due to equipment or experimental considerations reason, do not carry out foam pit shaft and take sand experiment, foam pit shaft is not taken to sand experiment yet and take sand experiment with clear water pit shaft and contrast, the prop-carrying capacity of foam is not carried out the theoretical research of system; Clear water and the of the fracturing fluid critical sand speed of taking are measured, still do not measured the critical sand speed of taking of foam in pit shaft.
Thus, the inventor relies on experience and the practice of being engaged in for many years relevant industries, proposes a kind of bubble row pit shaft and takes sand visual experimental apparatus, to overcome the defect of prior art.
Utility model content
The purpose of this utility model is to provide a kind of bubble row pit shaft to take sand visual experimental apparatus, liquid in simulation wellbore hole (gas) body is taken sand and foam and takes the process of sand, in research pit shaft, liquid (gas) body and foam are taken the effect of sand, for the de-plugging of oil gas field foam sand wash and Oil/gas Well sand control provide theoretical foundation and technical support.
Another object of the present utility model is to provide a kind of bubble row pit shaft to take sand visual experimental apparatus, the data that record according to the Flow rate sensor of installing on double-deck lucite tube, can derive and obtain its critical sand speed of taking, research liquid (gas) body and the flowing law of aerated fluid in pit shaft.
The purpose of this utility model is achieved in that a kind of bubble row pit shaft takes sand visual experimental apparatus, and this experimental facilities includes and is vertical setting and sheathed transparent inner tube and the transparent outer tube of internal and external partition, to form Double-layered transparent experiment body; Described transparent outer tube top and bottom are respectively equipped with the first outlet and the second outlet, and transparent outer tube lower end is provided with and adds sand mouth; The bottom of described transparent inner tube extend to the bottom of transparent outer tube and with outer tube conducting, transparent inner tube top is provided with medium filling line; Described medium filling line is parallel with gas piping and liquid line by a foam maker; In described liquid line, be sequentially with fluid reservoir, the first centrifugal pump and fluid flowmeter; In described gas piping, be sequentially with air compressor, gas tank and gas flowmeter; The first outlet of described transparent outer tube is connected to a sand setting chamber import by a sediment outflow pipeline, is provided with one the 3rd outlet in described sand setting chamber, to should the 3rd outlet being provided with a waste liquid tank; On the sidewall of described transparent outer tube, be interval with multiple flow velocity tachymeter sensors, described multiple flow velocity tachymeter sensor electrical connect a data receiver treating apparatus; One side of described transparent outer tube is provided with high definition camera device.
In a preferred embodiments of the present utility model, in described medium filling line, be provided with the first valve and the first pressure meter; Gas flowmeter two ends in described gas piping are respectively equipped with one second valve; The described gas tank port of export is provided with the second pressure meter; Described air compressor is provided with an atmospheric valve and the 3rd pressure meter; Between described air compressor and gas tank, be provided with the 3rd valve; The first centrifugal pump two ends in described liquid line are respectively equipped with one the 4th valve; In described sediment outflow pipeline, be provided with one the 5th valve.
In a preferred embodiments of the present utility model, described sand setting chamber is provided with the 4th outlet, and described the 4th outlet is connected in described fluid reservoir by a reclaim line, is provided with the second centrifugal pump and the 6th valve in described reclaim line; At sand setting indoor and the import of sand setting chamber and the 4th outlet between be provided with a screen cloth.
From the above mentioned, bubble row pit shaft of the present utility model is taken sand visual experimental apparatus, can take sand experiment for visual pit shaft, in simulation wellbore hole, liquid, gas are taken sand or foam and take the process of sand, in research pit shaft, liquid, gas and foam are taken the effect of sand, and can derive and obtain its critical sand speed of taking, for the de-plugging of oil gas field foam sand wash and Oil/gas Well sand control provide theoretical foundation and technical support; The flowing law of data research liquid, gas and the aerated fluid that meanwhile, also can record according to the flow velocity tachymeter sensor of installing on double-deck lucite tube in pit shaft.
Brief description of the drawings
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: for the utility model bubble row pit shaft is taken the structural representation of sand visual experimental apparatus.
Fig. 2: for existing clear water pit shaft is taken the structural representation of sand experimental facilities.
Fig. 3: for existing vertical gas gas well gas stream is taken the structural representation of sand experimental facilities.
Detailed description of the invention
Understand for technical characterictic of the present utility model, object and effect being had more clearly, now contrast brief description of the drawings detailed description of the invention of the present utility model.
As shown in Figure 1, the utility model proposes a kind of bubble row pit shaft and take sand visual experimental apparatus 100, this experimental facilities 100 includes and is vertical setting and sheathed transparent inner tube 1 and the transparent outer tube 2 of internal and external partition, to form Double-layered transparent experiment body, described transparent outer tube is for simulation wellbore hole sleeve pipe, transparent inner tube is for simulation wellbore hole oil pipe, and described transparent inner and outer tubes form by organic glass; Described transparent outer tube 2 tops and bottom are respectively equipped with the first outlet 21 and the second outlet 22, and transparent outer tube 2 lower ends are provided with and add sand mouth 23; The bottom of described transparent inner tube 1 extend to the bottom of transparent outer tube 2 and with the inner conducting of outer tube, transparent inner tube 1 top is provided with medium filling line 3; Described medium filling line 3 is parallel with gas piping 5 and liquid line 6 by a foam maker 31; In described liquid line 6, be sequentially with fluid reservoir 61, the first centrifugal pump 62 and fluid flowmeter 63, fluid reservoir is used for storing clear water or foaming agent solution, and the first centrifugal pump is for carrying liquid that power is provided, and fluid flowmeter is used for measuring fluid flow; In described gas piping 5, be sequentially with air compressor 51, gas tank 52 and gas flowmeter 53, air compressor is for for gasholder provides gases at high pressure, and gasholder provides gas for foam generated, and gas flowmeter is for measurement gas flow; The first outlet of described transparent outer tube 2 is connected to the import of a sand setting chamber 41 by a sediment outflow pipeline 4,41 bottoms, described sand setting chamber are provided with one the 3rd outlet 411, to should the 3rd the below of outlet 411 be provided with a waste liquid tank 42, waste liquid tank is for collecting the sand of waste liquid and discharge; On the sidewall of described transparent outer tube 2, be interval with multiple flow velocity tachymeter sensors 71, described Flow speed measurer sensor is used for measuring annular space flow rate of liquid between inner and outer pipes, and described multiple flow velocity tachymeter sensors 71 are electrically connected a data receiver treating apparatus 72; One side of described transparent outer tube 2 is provided with high definition camera device 73; Data receiver treating apparatus is for receiving the data of Flow speed measurer and camera head and further processing.
From the above mentioned, bubble row pit shaft of the present utility model is taken sand visual experimental apparatus, can take sand experiment for visual pit shaft, liquid in simulation wellbore hole (gas) body is taken sand and foam and takes the process of sand, in research pit shaft, liquid (gas) body and foam are taken the effect of sand, and can derive and obtain its critical sand speed of taking, for the de-plugging of oil gas field foam sand wash and Oil/gas Well sand control provide theoretical foundation and technical support; Data research liquid (gas) body and the flowing law of aerated fluid in pit shaft that also can record according to the flow velocity tachymeter sensor of installing on double-deck lucite tube meanwhile.
In the present embodiment, in described medium filling line 3, be provided with the first valve 32 and the first pressure meter 33; Gas flowmeter 53 two ends in described gas piping 5 are respectively equipped with one second valve 54; Described gas tank 52 ports of export are provided with the second pressure meter 55; Described air compressor 51 is provided with an atmospheric valve 56 and one the 3rd pressure meter 57; Between described air compressor 51 and gas tank 52, be provided with the 3rd valve 58; The first centrifugal pump 62 two ends in described liquid line 6 are respectively equipped with one the 4th valve 64; In described sediment outflow pipeline 4, be provided with one the 5th valve 43; Each pressure meter real-time monitoring system pressure.
Further, as shown in Figure 1, described sand setting chamber 41 is provided with the 4th outlet 412, and described the 4th outlet 412 is connected in described fluid reservoir 61 by a reclaim line, is provided with the second centrifugal pump 65 and the 6th valve 66 in described reclaim line; In sand setting chamber 41 and between the import of sand setting chamber and the 4th outlet 412, be provided with a screen cloth 413.
Utilize above-mentioned bubble row pit shaft to take sand visual experimental apparatus 100 and can carry out that in simulation wellbore hole, liquid is taken sand, gas takes sand or foam is taken sand experiment, takes sand test as example taking foam, described experimental technique comprises the following steps:
(1) in the outer tube of Double-layered transparent experiment body, add sand;
(2) make gas and liquid foam generated in foam maker;
(3) in transparent outer tube, inject foam by medium filling line and transparent inner tube; Foam is taken sand and is escaped and enter antechamber by the annular space between inner and outer pipe by the first outlet of outer tube upper end;
(4) measure and observe foam by Flow speed measurer sensor and high definition camera device and take sand process, and corresponding data is sent to data receiver treating apparatus.
The specific experiment process that foam is taken sand is: experiment starts front all valves and outlet in closed condition, and required liquid is put into fluid reservoir 61, closes this atmospheric valve 56 after opening atmospheric valve 56 emptying again; Start air compressor 51 and produce gases at high pressure and open the 3rd valve 58, make gases at high pressure enter gasholder 52, and then close the 3rd valve 58; The sand of extra fine quality is added to transparent outer tube 2 bottoms of Double-layered transparent experiment body by adding sand mouth 23, open two the second valves 54 and two the 4th valves 64 and regulate aperture and first centrifugal pump 62 of the second valve 54 and the 4th valve 64, make liquids and gases be mixed into foam maker 31 with special ratios; After foam maker foam generated, open the first valve 32, the 5th valve 43, the 6th valve 66 and regulate the aperture of the first valve 32, to control foam flow velocity, make foam enter transparent inner tube 1 by medium filling line and to the interior injection of transparent outer tube 2, foam is taken sand and is exported 21 by the annular space between inner and outer pipe by outer tube upper end first and escape and enter antechamber 41; In this process, can measure and observe foam by Flow speed measurer sensor 71 and high definition camera device 73 and take sand process, and corresponding data is sent to data receiver treating apparatus; After having tested, collect sand grains by the second outlet 22 of sand setting chamber 41 and transparent outer tube 2 and weigh, finally process the data obtained clean described experimental facilities by data receiver treating apparatus.
Carry out liquid and take sand when experiment, only need close air compressor 51 and the second valve 54, other experimental procedures are taken sand with foam and are tested identical;
Carry out gas and take sand when experiment, only need close the first centrifugal pump 62 and the 4th valve 54, and close the 6th valve 66, remove the screen cloth 413 in antechamber 41 and open the outlet of the 3rd in antechamber 411, other experimental procedures are taken sand with foam and are tested identical.
Bubble row pit shaft of the present utility model is taken sand visual experimental apparatus, can take sand experiment for visual pit shaft, liquid in simulation wellbore hole (gas) body is taken sand and foam and takes the process of sand, in research pit shaft, liquid (gas) body and foam are taken the effect of sand, and can derive and obtain its critical sand speed of taking, for the de-plugging of oil gas field foam sand wash and Oil/gas Well sand control provide theoretical foundation and technical support; Data research liquid (gas) body and the flowing law of aerated fluid in pit shaft that also can record according to the flow velocity tachymeter sensor of installing on double-deck lucite tube meanwhile.
The foregoing is only the schematic detailed description of the invention of the utility model, not in order to limit scope of the present utility model.Any those skilled in the art, is not departing from equivalent variations and the amendment under the prerequisite of design of the present utility model and principle, done, all should belong to the scope of the utility model protection.
Claims (3)
1. bubble row pit shaft is taken a sand visual experimental apparatus, it is characterized in that: this experimental facilities includes and is vertical setting and sheathed transparent inner tube and the transparent outer tube of internal and external partition, to form Double-layered transparent experiment body; Described transparent outer tube top and bottom are respectively equipped with the first outlet and the second outlet, and transparent outer tube lower end is provided with and adds sand mouth; The bottom of described transparent inner tube extend to the bottom of transparent outer tube and with outer tube conducting, transparent inner tube top is provided with medium filling line; Described medium filling line is parallel with gas piping and liquid line by a foam maker; In described liquid line, be sequentially with fluid reservoir, the first centrifugal pump and fluid flowmeter; In described gas piping, be sequentially with air compressor, gas tank and gas flowmeter; The first outlet of described transparent outer tube is connected to a sand setting chamber import by a sediment outflow pipeline, is provided with one the 3rd outlet in described sand setting chamber, to should the 3rd outlet being provided with a waste liquid tank; On the sidewall of described transparent outer tube, be interval with multiple flow velocity tachymeter sensors, described multiple flow velocity tachymeter sensor electrical connect a data receiver treating apparatus; One side of described transparent outer tube is provided with high definition camera device.
2. bubble row pit shaft as claimed in claim 1 is taken sand visual experimental apparatus, it is characterized in that: in described medium filling line, be provided with the first valve and the first pressure meter; Gas flowmeter two ends in described gas piping are respectively equipped with one second valve; The described gas tank port of export is provided with the second pressure meter; Described air compressor is provided with an atmospheric valve and the 3rd pressure meter; Between described air compressor and gas tank, be provided with the 3rd valve; The first centrifugal pump two ends in described liquid line are respectively equipped with one the 4th valve; In described sediment outflow pipeline, be provided with one the 5th valve.
3. bubble row pit shaft as claimed in claim 2 is taken sand visual experimental apparatus, it is characterized in that: described sand setting chamber is provided with the 4th outlet, described the 4th outlet is connected in described fluid reservoir by a reclaim line, is provided with the second centrifugal pump and the 6th valve in described reclaim line; At sand setting indoor and the import of sand setting chamber and the 4th outlet between be provided with a screen cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420174191.9U CN203835304U (en) | 2014-04-11 | 2014-04-11 | Foam discharging shaft sand carrying visualization experiment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420174191.9U CN203835304U (en) | 2014-04-11 | 2014-04-11 | Foam discharging shaft sand carrying visualization experiment device |
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| CN203835304U true CN203835304U (en) | 2014-09-17 |
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| CN201420174191.9U Expired - Fee Related CN203835304U (en) | 2014-04-11 | 2014-04-11 | Foam discharging shaft sand carrying visualization experiment device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899261A (en) * | 2014-04-11 | 2014-07-02 | 中国石油大学(北京) | Visualization experiment device and method for sand-carrying of foam discharging shaft |
| CN104990906A (en) * | 2015-07-14 | 2015-10-21 | 中国华能集团清洁能源技术研究院有限公司 | System and method for testing sand carrying capacity of fracturing fluid |
| CN105464606A (en) * | 2015-12-02 | 2016-04-06 | 西南石油大学 | Experiment device and method for simulating drilling-production double-work-condition pit shaft sand carrying multi-phase flowing |
| CN106018745A (en) * | 2016-06-21 | 2016-10-12 | 中国石油天然气股份有限公司 | Device and method for measuring flow rate of gas well sand production critical gas |
| CN108287123A (en) * | 2018-02-05 | 2018-07-17 | 中国石油大学(华东) | A kind of measurement CO2The visualization device and method of solid-carrying performance under the conditions of fracturing fluid high pressure dynamic filtration |
| CN109723415A (en) * | 2018-12-28 | 2019-05-07 | 燕山大学 | Transparent back-up sand tube vibration foam flooding foam characteristics visual Simulation experimental provision and method |
| CN111140228A (en) * | 2020-01-06 | 2020-05-12 | 常州大学 | Visual experimental device and experimental method for researching geothermal well fluid sand-carrying rule |
| CN114075937A (en) * | 2020-08-14 | 2022-02-22 | 中国石油天然气股份有限公司 | Control method and device for flushing and bailing sand by adopting double-wall drill pipe |
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2014
- 2014-04-11 CN CN201420174191.9U patent/CN203835304U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103899261A (en) * | 2014-04-11 | 2014-07-02 | 中国石油大学(北京) | Visualization experiment device and method for sand-carrying of foam discharging shaft |
| CN104990906A (en) * | 2015-07-14 | 2015-10-21 | 中国华能集团清洁能源技术研究院有限公司 | System and method for testing sand carrying capacity of fracturing fluid |
| CN104990906B (en) * | 2015-07-14 | 2017-10-27 | 中国华能集团清洁能源技术研究院有限公司 | A kind of fracturing fluid prop-carrying capacity test system and method for testing |
| CN105464606A (en) * | 2015-12-02 | 2016-04-06 | 西南石油大学 | Experiment device and method for simulating drilling-production double-work-condition pit shaft sand carrying multi-phase flowing |
| CN105464606B (en) * | 2015-12-02 | 2018-05-18 | 西南石油大学 | A kind of simulation drilling Double-working-condition sand-carrying production Multiphase Flow experimental provision and method |
| CN106018745A (en) * | 2016-06-21 | 2016-10-12 | 中国石油天然气股份有限公司 | Device and method for measuring flow rate of gas well sand production critical gas |
| CN108287123A (en) * | 2018-02-05 | 2018-07-17 | 中国石油大学(华东) | A kind of measurement CO2The visualization device and method of solid-carrying performance under the conditions of fracturing fluid high pressure dynamic filtration |
| CN108287123B (en) * | 2018-02-05 | 2020-09-15 | 中国石油大学(华东) | CO under dynamic filtration2Fracturing fluid sand-carrying visual testing device and method |
| CN109723415A (en) * | 2018-12-28 | 2019-05-07 | 燕山大学 | Transparent back-up sand tube vibration foam flooding foam characteristics visual Simulation experimental provision and method |
| CN111140228A (en) * | 2020-01-06 | 2020-05-12 | 常州大学 | Visual experimental device and experimental method for researching geothermal well fluid sand-carrying rule |
| CN114075937A (en) * | 2020-08-14 | 2022-02-22 | 中国石油天然气股份有限公司 | Control method and device for flushing and bailing sand by adopting double-wall drill pipe |
| CN114075937B (en) * | 2020-08-14 | 2023-07-25 | 中国石油天然气股份有限公司 | Control method and device for flushing and bailing sand by adopting double-wall drill rod |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20200411 |