CN202041437U - Device for jointly measuring polymer solution rheological property and core relative permeability efficiently and quickly - Google Patents
Device for jointly measuring polymer solution rheological property and core relative permeability efficiently and quickly Download PDFInfo
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- CN202041437U CN202041437U CN2011201111198U CN201120111119U CN202041437U CN 202041437 U CN202041437 U CN 202041437U CN 2011201111198 U CN2011201111198 U CN 2011201111198U CN 201120111119 U CN201120111119 U CN 201120111119U CN 202041437 U CN202041437 U CN 202041437U
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Abstract
The utility model relates to a device for jointly measuring polymer solution rheological property and core relative permeability efficiently and quickly. The device comprises a polymer injection unit, an oil injection unit, an on-line rheometer, a core holder, an oil separator, a pressure difference transducer, and an electronic weighing machine which are connected through a pipeline and a control valve, wherein the two ends of both the on-line rheometer and the core holder are connected in parallel to the pressure difference transducer respectively; and the polymer injection unit is connected in parallel with the oil injection unit and then connected with the on-line rheometer, the core holder, the oil separator, and the electronic weighing machine sequentially. The utility model has the advantages that rheological property measurement can simulate oil pool seepage environment more truly, so as to get the rheological property of a polymer solution system; the calibre of a capillary tube on-line rheometer is optional to meet different demands; and the joint measurement on the rheological property and the relative permeability of the polymer solution system can be performed, and the rheological property can be measured in an on-line real time manner.
Description
Technical field
The utility model relates to a kind of rheological property of polymer solution and rock core relative permeability simultaneous determination device.
Background technology
Ooze mutually in the test at polymer solution, need to measure the polymer solution system rheological.The existing conventional method substantially all is the rheological of gluing the Instrument measuring polymer solution system earlier with surveys such as rotational viscosimeters, and then carry out polymer solution and ooze experiment mutually, draw polymer solution in the rheological data substitution phase osmole type that will in advance measure during deal with data and ooze curve mutually.There are following three shortcomings in this conventional method: 1) utilize the sticking instrument of survey such as rotational viscosimeter to measure the polymer solution system rheological in advance, sample need be taken out to be positioned in the sample chamber during test and measure the shearing situation in the time of accurately to reflect polymkeric substance through porous medium; 2) can't combine oozing mensuration and rheometry mutually, can't carry out the online in real time of polymer solution system rheological and measure; 3) pressure acquisition system that oozes determinator in the conventional method mutually can not be realized automatic data collection mostly.
The utility model content
The purpose of this utility model is the defective that exists at existing technology, and a kind of rheological property of polymer solution and rock core relative permeability simultaneous determination device of efficient quick is provided.
The technical solution of the utility model realizes in the following manner:
Rheological property of polymer solution comprises with rock core relative permeability simultaneous determination device: the poly-unit of notes, oiling unit, online flow graph, core holding unit, fluid separation vessel, differential pressure pickup, electronic weighing instrument are connected with operation valve by pipeline, wherein: at the two ends of online flow graph and core holding unit respectively and connect differential pressure pickup, annotate poly-unit and oiling unit and connect after be connected to line flow graph, core holding unit, fluid separation vessel and electronic weighing instrument in turn.
The poly-unit of described notes is made up of tank, water pump and polymer solution piston container; Described oiling unit is made up of oil vessel, oil pump and oily piston container; Described online flow graph is the online flow graph of kapillary; Described electronic weighing instrument is an electronic balance.
Said apparatus also comprises data acquisition unit, and this data acquisition unit is connected the back with water pump, the oil pump of oiling unit, differential pressure pickup, the electronic balance of annotating poly-unit respectively and inserts computing machine.
The utility model has the advantages that rheology measurement simulating oil deposit seepage environment more realistically, obtain the rheological of polymer solution system; The caliber of the online flow graph of kapillary can be selected, and satisfies different demands; Can carry out the rheological and the relative permeability translocation of polymer solution system, but the rheological online in real time is measured.
Description of drawings
Accompanying drawing 1 structural representation sketch of the present utility model.Among the figure: the online flow graph 3-of 1-core holding unit 2-kapillary water pump 4-oil pump 5-tank 6-oil vessel 7-polymer solution piston container 8-oil piston container 9-fluid separation vessel 10-beaker 11-electronic balance 12-differential pressure pickup 13-Pump data collector 14-automatic data collection device.
Embodiment
Be further openly the technical solution of the utility model, elaborate by embodiment below in conjunction with Figure of description 1:
Utility model mainly is made up of core holding unit 1, the online flow graph 2 of kapillary, water pump 3, oil pump 4, polymer solution piston container 7, oily piston container 8, fluid separation vessel 9, electronic balance 11, differential pressure pickup 12, pump parameter acquisition device 13 and automatic data collection device 14.Wherein: tank 5 links to each other with water pump 3 imports, exit of pump links to each other with 7 imports of polymer solution piston container, oil vessel 6 links to each other with oil pump 4 imports, the oil pump outlet links to each other with oily piston container 8 imports, polymer solution piston container and the parallel connection of oily piston container outlet, back in parallel links to each other with online flow graph 2 imports of kapillary, the online flow graph outlet of kapillary links to each other with core holding unit 1 import, the core holding unit outlet can link to each other with the beaker 10 on being placed on electronic balance 11, also can link to each other with beaker 10 by fluid separation vessel 9 again; Differential pressure pickup 12 is connected the two ends of the online flow graph of kapillary, also is connected with differential pressure pickup 12 at the entrance point and the endpiece of core holding unit; The pump parameter acquisition device signal wire of oil water pump self, the signal wire of the differential pressure pickup on differential pressure pickup capillaceous and the core holding unit and the signal wire of electronic balance and automatic data collection device link 14, and the data of automatic data collection device collection are passed to Computer Processing.
Application Example:
The rock core that to choose a gas permeability be 1380mD, it is put in the core holding unit, water pump 3 extracts water and replaces required liquid with being full of fully in its pumping cylinder from tank 5, oil pump 4 extracts oil and replaces required liquid with being full of fully in its pumping cylinder from tank 6, handle assembly is whole as shown above connects, and all preliminary works are finished.
The first step is measured the single-phase percolation ability of polymer solution system.Set a certain flow, provide displacement fluid for the piston bottom of polymer solution piston container 7, thereby the polymer solution on piston top is injected by water pump 3.Polymer solution enters capillary rheometer 2, core holding unit 1, the beaker 10 before the rock core successively.In experimentation, gather the pressure reduction and the data on flows at the online flow graph of kapillary two ends automatically, can pass through to gather data and the known parameters that obtains, and utilize Poiseuille's formula to calculate the viscosity of polymer solution; Repeat above-mentioned steps by setting different flows once more, can obtain the viscosity of polymer solution under the different flow; In conjunction with the relation of shear rate in the kapillary and flow, can finally draw the rheological curve of polymer solution at last.
Next carry out oil and drive the polymer solution system process.Water pump 3 quits work, and closes the valve of polymer solution piston container 7 and core holding unit.Set a certain flow, provide displacement fluid for the piston bottom of oily piston container 8, thereby the oil on piston top is injected by oil pump 4.Oil enters the online flow graph 2 of kapillary, core holding unit 1, the beaker 10 before the rock core successively, and producing poly-amount until the rock core outlet no longer increases.
Carry out the polymer solution system oil displacement process at last.The process of this process and the first step is basic identical.After just polymer solution is flowed through rock core, be introduced into fluid separation vessel 9 and enter again in the beaker 10, no longer increase until rock core outlet oil offtake.
In the whole process setting flow (being the inlet flow rate of core holding unit) of pump, the volume in the pumping cylinder, the pressure and other parameters of pump are transferred to respectively in the Pump data collector 13.Differential pressure pickup 12 is measured the pressure reduction situation of change of rock core two ends and the online flow graph of kapillary respectively in real time.Fluid separation vessel 9 can record the oil offtake in the polymer solution system oil displacement process.The variation of the total liquid measure of electronic balance 11 real time record.Above-mentioned parameter can be gathered by automatic data collection device 14 by data line and gather, and the later stage will use data such as flow, oil offtake, production fluid amount, pressure reduction and time to carry out the calculating of the relative permeability of polymer solution system and oil.
Claims (3)
1. rheological property of polymer solution and rock core relative permeability simultaneous determination device, it is characterized in that: comprise that the poly-unit of notes, oiling unit, online flow graph, core holding unit, fluid separation vessel, differential pressure pickup, electronic weighing instrument are connected with operation valve by pipeline, wherein: at the two ends of online flow graph and core holding unit respectively and connect differential pressure pickup, annotate poly-unit and oiling unit and connect after be connected to line flow graph, core holding unit, fluid separation vessel and electronic weighing instrument in turn.
2. rheological property of polymer solution according to claim 1 and rock core relative permeability simultaneous determination device is characterized in that: the poly-unit of described notes is made up of tank, water pump and polymer solution piston container; Described oiling unit is made up of oil vessel, oil pump and oily piston container; Described online flow graph is the online flow graph of kapillary; Described electronic weighing instrument is an electronic balance.
3. rheological property of polymer solution according to claim 2 and rock core relative permeability simultaneous determination device, it is characterized in that: this device also comprises data acquisition unit, and this data acquisition unit is connected the back with water pump, the oil pump of oiling unit, differential pressure pickup, the electronic balance of annotating poly-unit respectively and inserts computing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201111198U CN202041437U (en) | 2010-12-13 | 2011-04-15 | Device for jointly measuring polymer solution rheological property and core relative permeability efficiently and quickly |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020678553.X | 2010-12-13 | ||
| CN201020678553 | 2010-12-13 | ||
| CN2011201111198U CN202041437U (en) | 2010-12-13 | 2011-04-15 | Device for jointly measuring polymer solution rheological property and core relative permeability efficiently and quickly |
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| Publication Number | Publication Date |
|---|---|
| CN202041437U true CN202041437U (en) | 2011-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201111198U Expired - Fee Related CN202041437U (en) | 2010-12-13 | 2011-04-15 | Device for jointly measuring polymer solution rheological property and core relative permeability efficiently and quickly |
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| CN (1) | CN202041437U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221514A (en) * | 2010-12-13 | 2011-10-19 | 中国石油化工股份有限公司 | Joint testing device and method of rheological property of polymer solution and relative permeability of core |
| CN103244115A (en) * | 2013-05-25 | 2013-08-14 | 海安县石油科研仪器有限公司 | Three-dimensional relative permeability simulator |
| CN105510203A (en) * | 2015-11-18 | 2016-04-20 | 中国石油新疆油田分公司勘探开发研究院 | Method for determination of sandstone oil reservoir oil-water relative permeability under different temperature gradients |
| CN107735666A (en) * | 2015-10-27 | 2018-02-23 | 宝马股份公司 | For determining the apparatus and method of viscosity |
| CN109507065A (en) * | 2018-12-26 | 2019-03-22 | 山东大学 | A kind of supercritical carbon dioxide device for measuring viscosity and method dissolved with tackifier |
| ES2752083A1 (en) * | 2018-10-02 | 2020-04-02 | Univ Huelva | EQUIPMENT FOR THE MEASUREMENT OF RHEOLOGICAL PROPERTIES IN FLUIDS (Machine-translation by Google Translate, not legally binding) |
-
2011
- 2011-04-15 CN CN2011201111198U patent/CN202041437U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221514A (en) * | 2010-12-13 | 2011-10-19 | 中国石油化工股份有限公司 | Joint testing device and method of rheological property of polymer solution and relative permeability of core |
| CN103244115A (en) * | 2013-05-25 | 2013-08-14 | 海安县石油科研仪器有限公司 | Three-dimensional relative permeability simulator |
| CN107735666A (en) * | 2015-10-27 | 2018-02-23 | 宝马股份公司 | For determining the apparatus and method of viscosity |
| CN105510203A (en) * | 2015-11-18 | 2016-04-20 | 中国石油新疆油田分公司勘探开发研究院 | Method for determination of sandstone oil reservoir oil-water relative permeability under different temperature gradients |
| ES2752083A1 (en) * | 2018-10-02 | 2020-04-02 | Univ Huelva | EQUIPMENT FOR THE MEASUREMENT OF RHEOLOGICAL PROPERTIES IN FLUIDS (Machine-translation by Google Translate, not legally binding) |
| WO2020070359A1 (en) * | 2018-10-02 | 2020-04-09 | Universidad De Huelva | Device for measuring rheological properties in fluids |
| CN109507065A (en) * | 2018-12-26 | 2019-03-22 | 山东大学 | A kind of supercritical carbon dioxide device for measuring viscosity and method dissolved with tackifier |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20120415 |