CN102900431B - Horizontal well shutoff analogue experiment installation - Google Patents
Horizontal well shutoff analogue experiment installation Download PDFInfo
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- CN102900431B CN102900431B CN201210385968.1A CN201210385968A CN102900431B CN 102900431 B CN102900431 B CN 102900431B CN 201210385968 A CN201210385968 A CN 201210385968A CN 102900431 B CN102900431 B CN 102900431B
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Abstract
The invention discloses a kind of horizontal well shutoff analogue experiment installation, by pressure-driven system, horizontal well production simulation system, Data collecting and analysis system forms, wherein pressure-driven system is by intermediate receptacle, constant-flux pump, six-way valve and connecting pipe composition, horizontal well production simulation system is by simulation core pipe, high pressure line, controllable back pressure valve and insulating box composition, Data collecting and analysis system is by magnetostrictive liquid level sensor, magnetostrictive liquid level sensor data wire, balance, balance data wire and computer composition, by carrying out dynamic analog to horizontal well production status, Research on Oil water layer is water outlet rule under different pressure reduction, simulation is at Di Shui, limit water or under injecting regimen condition, blocking agent enters the ability of oil layer section and water layer section, to evaluate after blocking agent plastic oil layer section and water layer section shut-off capacity.
Description
Technical field
The invention belongs to oil-gas field development shutoff displacement test technical field, for the experimental facilities of horizontal well water outlet rule and shut-off capacity under simulated formation high-temperature high-pressure state.
Background technology
Horizontal well control water is one of problem demanding prompt solution in horizontal well development, because the development of domestic water horizontal well is more late, about horizontal well shutoff mechanism and water plugging of horizontal well technical research less, and mainly concentrate on shutoff system and machine plugging aspect, in existing shutoff system, not under formation condition to the evaluation method of blocking agent plugging effect, therefore, the effect of blocking agent in horizontal well cannot be judged.
Summary of the invention
The present invention seeks to the defect for existing in above-mentioned prior art, providing one can study horizontal well actual production rule under formation condition, and blocking agent to Di Shui, limit water or inject water different go out the horizontal well shutoff analogue experiment installation of shut-off capacity of water state.
The object of the present invention is achieved like this:
Horizontal well shutoff analogue experiment installation, by pressure-driven system, horizontal well production simulation system, Data collecting and analysis system forms, pressure-driven system is by three intermediate receptacles, two constant-flux pumps, four six-way valves and connecting pipe composition, described intermediate receptacle is hollow cylinder, inside is provided with piston, wherein, first intermediate receptacle is connected with the first six-way valve with the second connecting pipe respectively by the first connecting pipe with the second intermediate receptacle top, bottom is connected with the second six-way valve with the 4th connecting pipe respectively by the 3rd connecting pipe, second six-way valve is connected with the first constant-flux pump by the 5th connecting pipe, 3rd intermediate receptacle top is connected with the 3rd six-way valve by the 6th connecting pipe, bottom is connected with the 4th six-way valve by the 7th connecting pipe, 4th six-way valve is connected with the second constant-flux pump by the 8th connecting pipe, each six-way valve is hollow cylinder, and circumference is evenly equipped with six outlets, and each outlet all can switch control rule,
Horizontal well production simulation system is by five simulation core pipes, high pressure line, controllable back pressure valve and insulating box composition, wherein, first simulation core pipe, second simulation core pipe, 3rd simulation core pipe, 4th simulation core pipe and the 5th simulation core pipe are hollow cylinder, its outer tube wall is provided with pressure sensor, wherein the first simulation core pipe is connected with the first six-way valve with third high pressure pipeline respectively by the first high pressure line with the entrance of the 3rd simulation core pipe, the entrance of the 5th simulation core pipe is connected with the 3rd six-way valve by the 4th high pressure line, 3rd simulation core pipe is connected with contaminated-oil basin with the 6th high pressure line respectively by the 5th high pressure line with the outlet of the 5th simulation core pipe, wherein the second high pressure line, 5th high pressure line and the 6th high pressure line are respectively arranged with the first controllable back pressure valve, second controllable back pressure valve and the 3rd controllable back pressure valve, connected by the second simulation core gas thread between first simulation core pipe and the 3rd simulation core pipe, connected by the 4th simulation core gas thread between the first simulation core pipe and the 5th simulation core pipe, whole horizontal well production simulation system is inserted in insulating box,
Data collecting and analysis system is made up of magnetostrictive liquid level sensor, magnetostrictive liquid level sensor data wire, balance, balance data wire and computer, wherein, magnetostrictive liquid level sensor is connected with the first simulation core pipe by the second high pressure line, bottom is provided with balance, inside is provided with magnetostrictive liquid level sensor data wire, and be connected with computer, balance is connected with computer by balance data wire.
Further, the first described simulation core pipe, the 3rd simulation core pipe and the equal horizontal positioned of the 5th simulation core pipe, the second simulation core pipe is placed with the 4th simulation core pipe is all vertical.
Further, described simulation core pipe is hollow cylinder, and the outer tube wall at its entrance, outlet and middle part is provided with pressure sensor.
The invention has the beneficial effects as follows: by carrying out dynamic analog to horizontal well production status, Research on Oil water layer is water outlet rule under different pressure reduction, simulate under Di Shui, limit water or injection regimen condition, blocking agent enters the ability of oil layer section and water layer section, to evaluate after blocking agent plastic oil layer section and water layer section shut-off capacity; This device also can be used for carrying out the research of horizontal well plugging technology; research different amounts, different slug combination are to the protective capability of the shut-off capacity of water exit end and fuel-displaced section; finally determine best plug agent amount and slug combination, avoid occurring that incessantly stifled or oil, water layer are all by the risk blocked.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Below in conjunction with drawings and Examples, the present invention is further described.
Detailed description of the invention
As shown in Figure 1, the present invention is made up of pressure-driven system, horizontal well production simulation system, Data collecting and analysis system, wherein:
Pressure-driven system is by three intermediate receptacles, two constant-flux pumps, four six-way valves and some connecting pipes composition, described intermediate receptacle is hollow cylinder, inside is provided with piston, wherein, first intermediate receptacle 1a is connected with the first six-way valve 4a with the second connecting pipe 5b respectively by the first connecting pipe 5a with the second intermediate receptacle 1b top, bottom is connected with the second six-way valve 4b with the 4th connecting pipe 5d respectively by the 3rd connecting pipe 5c, second six-way valve 4b is connected with the first constant-flux pump 3a by the 5th connecting pipe 5e, 3rd intermediate receptacle 1c top is connected with the 3rd six-way valve 4c by the 6th connecting pipe 5f, bottom is connected with the 4th six-way valve 4d by the 7th connecting pipe 5g, 4th six-way valve 4d is connected with the second constant-flux pump 3b by the 8th connecting pipe 5h.
Horizontal well production simulation system is by five simulation core pipes, some high pressure lines, controllable back pressure valve and insulating box 10 form, described simulation core pipe is hollow cylinder, its outer tube wall is provided with pressure sensor, wherein the first simulation core pipe 6a is connected with the first six-way valve 4a with third high pressure pipeline 7c respectively by the first high pressure line 7a with the entrance of the 3rd simulation core pipe 6c, the entrance of the 5th simulation core pipe 6e is connected with the 3rd six-way valve 4c by the 4th high pressure line 7d, 3rd simulation core pipe 6c is connected with contaminated-oil basin with the 6th high pressure line 7f respectively by the 5th high pressure line 7e with the outlet of the 5th simulation core pipe 6e, at the second high pressure line 7b, 5th high pressure line 7e and the 6th high pressure line 7f is respectively arranged with the first controllable back pressure valve 9a, second controllable back pressure valve 9b and the 3rd controllable back pressure valve 9c, be threaded by the second simulation core pipe 6b between first simulation core pipe 6a and the 3rd simulation core pipe 6c, be threaded by the 4th simulation core pipe 6d between first simulation core pipe 6a and the 5th simulation core pipe 6e, whole horizontal well production simulation system is inserted in insulating box 10.The outer tube wall at each simulation core Guan Qi entrance, outlet and middle part is provided with pressure sensor.
Data collecting and analysis system is made up of magnetostrictive liquid level sensor 11, magnetostrictive liquid level sensor data wire 12, balance 13, balance data wire 14 and computer 15, magnetostrictive liquid level sensor 11 is connected with the first simulation core pipe 6a by the second high pressure line 7b, bottom is provided with balance 13, inside is provided with magnetostrictive liquid level sensor data wire 12, and be connected with computer 15, balance 13 is connected with computer 15 by balance data wire 14.
Before carrying out HTHP horizontal well shutoff simulated experiment, first on the piston 2a top of the first intermediate receptacle 1a, the piston 2c top of the piston 2b top of the second intermediate receptacle 1b and the 3rd intermediate receptacle 1c injects crude oil, blocking agent and formation water respectively, the object of the first constant-flux pump 3a and the second constant-flux pump 3b pumps in corresponding simulation core pipe by hydraulic pressure effect by crude oil, blocking agent and formation water, the object of six-way valve is by the selective pumping liquid of switch, and plays pressurize and pressure release effect; Fine sand is filled up respectively in first simulation core pipe 6a, the second simulation core pipe 6b, the 3rd simulation core pipe 6c, the 4th simulation core pipe 6d and the 5th simulation core pipe 6e, fill crude oil respectively again, make the saturated crude oil of sand body in pipe, wherein the effect of the first counterbalance valve 9a, the second counterbalance valve 9b and the 3rd counterbalance valve 9c is the internal fluid pressure of adjustment first simulation core pipe 6a, the 3rd simulation core pipe 6c and the 5th simulation core pipe 6e respectively, and the object of insulating box 10 is the operating temperatures arranging horizontal well production simulation system; The object of magnetostrictive liquid level sensor 11 is liquid measure and the moisture content thereof of metering first simulation core pipe 6a outlet.
When carrying out the shutoff simulated experiment of HTHP horizontal well, first water logging experiment is carried out, close the first six-way valve 4a, second counterbalance valve 9b and the 3rd counterbalance valve 9c, open the 3rd six-way valve 4c, 4th six-way valve 4d and the first counterbalance valve 9a, start the second constant-flux pump 3b, piston 2c under hydraulic pressure effect in the 3rd intermediate receptacle 1c is about to formation water replace enter in the 5th simulation core pipe 6e, and enter in the 4th simulation core pipe 6d and the first simulation core pipe 6a under differential pressure action respectively, finally enter magnetostrictive liquid level sensor 11 from the outlet of the first simulation core pipe 6a, when computer 15 monitor display magnetostrictive liquid level sensor 11 in fluid in moisture more than 95% time, close the second constant-flux pump 3b, the object of this process makes the 5th simulation core pipe 6e, 4th simulation core pipe 6d and all saturated formation water of the first simulation core pipe 6a, namely water logging state is all in, realize the object of water logging producing zone.
Then water blockoff experiment is carried out, close the entrance of the first intermediate receptacle 1a, the entrance of the 3rd simulation core pipe 6c, 3rd six-way valve 4c and the first counterbalance valve 9a, open the entrance of the first simulation core pipe 6a, second counterbalance valve 9b and the 3rd counterbalance valve 9c, start the first constant-flux pump 3a, piston 2b under hydraulic pressure effect in the second intermediate receptacle 1b is about to blocking agent replace enter in the first simulation core pipe 6a, enter in the 3rd simulation core pipe 6c and the 5th simulation core pipe 6e along the second simulation core pipe 6b and the 4th simulation core pipe 6d respectively under differential pressure action, when entering a certain amount of blocking agent in each basket, close the first counterbalance valve 9a, second counterbalance valve 9b and the 3rd counterbalance valve 9c, after keeping pressure state to wait solidifying certain hour, blocking agent forms gel state.
Finally carry out evaluation selective shut-off capacity experimental, open the 3rd six-way valve 4c, set the force value of the first counterbalance valve 9a and the 3rd counterbalance valve 9c, the exit pressure levels of the 3rd counterbalance valve 9c is made to be less than the first counterbalance valve 9a, start the second constant-flux pump 3b, formation water displacement in 3rd intermediate receptacle 1c is entered in the 5th simulation core pipe 6e, and enter in the 4th simulation core pipe 6d and the first simulation core pipe 6a under differential pressure action, when the injection pressure of injection second constant-flux pump 3b reaches the exit pressure levels of the 3rd counterbalance valve 9c, liquid measure and the moisture content that the first simulation core pipe 6a outlet enters magnetostrictive liquid level sensor 11 is monitored by computer 15, and then evaluate the shut-off capacity of blocking agent formation water, then the 3rd six-way valve 4c and the 3rd counterbalance valve 9c is closed, open the entrance of the 3rd simulation core pipe 6c, set the force value of the first counterbalance valve 9a and the second counterbalance valve 9b, and the exit pressure levels of the second counterbalance valve 9b is less than the first counterbalance valve 9a, start the first constant-flux pump 3a, mother oil displacement in first intermediate receptacle 1a is entered in the 3rd simulation core pipe 6c, and enter in the second simulation core pipe 6b and the first simulation core pipe 6a under differential pressure action, and enter in magnetostrictive liquid level sensor 11 along the first simulation core pipe 6a right part outlet, liquid measure and the oil content that the first simulation core pipe 6a outlet enters magnetostrictive liquid level sensor 11 is monitored by computer 15, and then evaluate blocking agent to the shut-off capacity of crude oil.In whole experimentation, to be collected in computer 15 by the pressure data of different for simulation core pipe test point by pressure sensor and process, insulating box 10 can set the varying environment temperature of horizontal well production simulation system.By the real-time analysis to the pressure of each simulation core pipe and output oil, water, the shut-off capacity of blocking agent to horizontal well water-yielding stratum can be evaluated.
Claims (3)
1. horizontal well shutoff analogue experiment installation, is made up of pressure-driven system, horizontal well production simulation system, Data collecting and analysis system, it is characterized in that:
Pressure-driven system is by three intermediate receptacles, two constant-flux pumps, four six-way valves and connecting pipe composition, described intermediate receptacle is hollow cylinder, inside is provided with piston, wherein, first intermediate receptacle (1a) is connected with the first six-way valve (4a) with the second connecting pipe (5b) respectively by the first connecting pipe (5a) with the second intermediate receptacle (1b) top, bottom is connected with the second six-way valve (4b) with the 4th connecting pipe (5d) respectively by the 3rd connecting pipe (5c), second six-way valve (4b) is connected with the first constant-flux pump (3a) by the 5th connecting pipe (5e), 3rd intermediate receptacle (1c) top is connected with the 3rd six-way valve (4c) by the 6th connecting pipe (5f), bottom is connected with the 4th six-way valve (4d) by the 7th connecting pipe (5g), 4th six-way valve (4d) is connected with the second constant-flux pump (3b) by the 8th connecting pipe (5h), each six-way valve is hollow cylinder, and circumference is evenly equipped with six outlets, and each outlet all can switch control rule,
Horizontal well production simulation system is by five simulation core pipes, high pressure line, controllable back pressure valve and insulating box (10) composition, wherein, first simulation core pipe (6a), second simulation core pipe (6b), 3rd simulation core pipe (6c), 4th simulation core pipe (6d) and the 5th simulation core pipe (6e) are hollow cylinder, its outer tube wall is provided with pressure sensor, wherein the first simulation core pipe (6a) is connected with the first six-way valve (4a) with third high pressure pipeline (7c) respectively by the first high pressure line (7a) with the entrance of the 3rd simulation core pipe (6c), the entrance of the 5th simulation core pipe (6e) is connected with the 3rd six-way valve (4c) by the 4th high pressure line (7d), 3rd simulation core pipe (6c) is connected with contaminated-oil basin with the 6th high pressure line (7f) respectively by the 5th high pressure line (7e) with the outlet of the 5th simulation core pipe (6e), wherein the second high pressure line (7b), 5th high pressure line (7e) and the 6th high pressure line (7f) are respectively arranged with the first controllable back pressure valve (9a), second controllable back pressure valve (9b) and the 3rd controllable back pressure valve (9c), be threaded by the second simulation core pipe (6b) between first simulation core pipe (6a) and the 3rd simulation core pipe (6c), be threaded by the 4th simulation core pipe (6d) between first simulation core pipe (6a) and the 5th simulation core pipe (6e), whole horizontal well production simulation system is inserted in insulating box (10),
Data collecting and analysis system is made up of magnetostrictive liquid level sensor (11), magnetostrictive liquid level sensor data wire (12), balance (13), balance data wire (14) and computer (15), wherein, magnetostrictive liquid level sensor (11) is connected with the first simulation core pipe (6a) by the second high pressure line (7b), bottom is provided with balance (13), inside is provided with magnetostrictive liquid level sensor data wire (12), and be connected with computer (15), balance (13) is connected with computer (15) by balance data wire (14).
2. horizontal well shutoff analogue experiment installation according to claim 1, it is characterized in that: the first described simulation core pipe (6a), the 3rd simulation core pipe (6c) and the 5th simulation core pipe (6e) be horizontal positioned all, and the second simulation core pipe (6b) is placed with the 4th simulation core pipe (6d) is all vertical.
3. horizontal well shutoff analogue experiment installation according to claim 1, is characterized in that: described simulation core pipe is hollow cylinder, and the outer tube wall at its entrance, outlet and middle part is provided with pressure sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210385968.1A CN102900431B (en) | 2012-09-06 | 2012-10-12 | Horizontal well shutoff analogue experiment installation |
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| CN201220451565.8 | 2012-09-06 | ||
| CN201220451565 | 2012-09-06 | ||
| CN201210385968.1A CN102900431B (en) | 2012-09-06 | 2012-10-12 | Horizontal well shutoff analogue experiment installation |
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| CN102900431A CN102900431A (en) | 2013-01-30 |
| CN102900431B true CN102900431B (en) | 2015-11-25 |
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| CN 201220522075 Withdrawn - After Issue CN202866800U (en) | 2012-09-06 | 2012-10-12 | Horizontal well plugging simulation experiment device |
| CN201210385968.1A Active CN102900431B (en) | 2012-09-06 | 2012-10-12 | Horizontal well shutoff analogue experiment installation |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202866800U (en) * | 2012-09-06 | 2013-04-10 | 中国石油化工股份有限公司 | Horizontal well plugging simulation experiment device |
| CN104420869B (en) * | 2013-09-04 | 2017-10-24 | 天津大港油田钻采技术开发公司 | Horizontal well Analog Experiment for Discharges device |
| CN103527185B (en) * | 2013-10-29 | 2017-03-29 | 中国石油化工股份有限公司 | Horizontal well physical simulation experiment device and its experimental technique |
| CN104653174B (en) * | 2013-11-22 | 2018-01-02 | 中国石油天然气股份有限公司 | A kind of nonequilibrium bridge simulates sandstone oil reservoir water plugging of horizontal well test method |
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| CN103696745B (en) * | 2014-01-07 | 2016-05-18 | 西南石油大学 | Oil-gas reservoir horizontal well dynamic analog multifunction experiment apparatus |
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| CN105064989A (en) * | 2015-08-12 | 2015-11-18 | 郑力会 | Method for observing stratum blocking form of working fluid in well |
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| CN106990225A (en) * | 2017-03-17 | 2017-07-28 | 西安石油大学 | A kind of gel profile control agent strength testing device and method of testing |
| CN110873202B (en) * | 2018-08-30 | 2022-05-24 | 中国石油化工股份有限公司 | Pressure barrier device |
| CN109209288B (en) * | 2018-09-18 | 2024-03-01 | 中国石油化工股份有限公司 | Experimental device and experimental method for evaluating blocking and dredging performance of chemical agent |
| CN113356788A (en) * | 2020-03-06 | 2021-09-07 | 中国石油化工股份有限公司 | Visual simulation device and method for artificial partition plate of radial well structure |
| CN117432401B (en) * | 2023-11-13 | 2024-04-19 | 西南石油大学 | Device and method for simulating physical simulation of water plugging of side-bottom water reservoir horizontal well section |
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| CN102900431A (en) | 2013-01-30 |
| CN202866800U (en) | 2013-04-10 |
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