CN206740585U - A kind of rock core self-priming evaluating apparatus for simulating HTHP stratum - Google Patents
A kind of rock core self-priming evaluating apparatus for simulating HTHP stratum Download PDFInfo
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- CN206740585U CN206740585U CN201720617625.1U CN201720617625U CN206740585U CN 206740585 U CN206740585 U CN 206740585U CN 201720617625 U CN201720617625 U CN 201720617625U CN 206740585 U CN206740585 U CN 206740585U
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- holding unit
- core holding
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- priming
- pressure
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Abstract
The utility model discloses a kind of rock core self-priming evaluating apparatus for simulating HTHP stratum, it includes the transparent vessel of line with a scale, core holding unit, pressure-regulating device, temperature-adjusting device, data collecting system and computer system, the inner horizontal of described core holding unit is placed with rock core, the outer surface of core holding unit is provided with pressurization hole, plunger and heating interface, plunger is provided with screw thread and perforate, transparent vessel is connected with the left end of core holding unit, the top of core holding unit is connected by hole of pressurizeing with pressure-regulating device, the bottom of core holding unit is connected by heating interface with temperature-adjusting device, the right-hand member of core holding unit is circumscribed with data collecting system by perforate, pressure-regulating device, temperature-adjusting device, data collecting system is connected by transmission data wire with computer system.The beneficial effects of the utility model：Measurement accuracy is high, can monitor various states parameter, be applied widely.
Description
Technical field
It the utility model is related to a kind of rock core self-priming evaluating apparatus for simulating HTHP stratum.
Background technology
The reservoir exploited at present belongs to hypotonic, ultra-permeable reservior mostly.Low permeability reservoir belongs to nano-micro level pore throat system
System, has higher capillary pressure potential energy.In drilling well and recovery process, because Spontaneous capillary imbibition acts on, working solution easily enters
Enter reservoir, be trapped in formation " water lock " in hole, block seepage channel, reduce Oil ＆ Gas Productivity.
Spontaneous capillary imbibition speed and self-priming degree are mainly by work fluid viscosity, interfacial tension, contact angle, pore throat radius, rock core
The influence of the factors such as initial water saturation, confined pressure and temperature.
Patent " self-absorption evaluation instrument of core capillary（Publication number：CN 102072844 A）", by measuring core quality at any time
Between change cause error to determine from pipette, core quality read untrue.In addition, the device is applied to carry out HTHP
Under the conditions of rock core self-priming experiment.
Patent " the rock core self-absorption experimental apparatus of simulation stratum condition（Publication number：CN 202256109 U）" in " rock core hair
Pipe self-priming evaluates instrument（Publication number：CN 102072844 A）" on the basis of improved, have developed one kind can simulate high temperature
The rock core self-absorption experimental apparatus of high pressure formation, the device measure the gas volume of discharge with gas flowmeter, compensate for reading
Inaccurate deficiency.But both self-priming apparatus are all by rock core vertically depending, when gravity downward suffered by liquid in rock core
During more than upward capillary force, self-priming will stop, and both of which have ignored influence of the gravity to Spontaneous capillary imbibition.
Utility model content
The shortcomings that the purpose of this utility model is to overcome prior art, there is provided a kind of measurement accuracy is high, it is more to monitor
Kind state parameter, the rock core self-priming evaluating apparatus on simulation HTHP stratum applied widely.
The purpose of this utility model is achieved through the following technical solutions：A kind of rock core self-priming for simulating HTHP stratum
Evaluating apparatus, its transparent vessel including line with a scale, core holding unit, pressure-regulating device, temperature-adjusting device, data are adopted
Collecting system and computer system, the inner horizontal of described core holding unit are placed with rock core, on the outer surface of core holding unit
Screw thread and perforate, the left end phase of transparent vessel and core holding unit are provided with provided with pressurization hole, plunger and heating interface, plunger
Even, the top of core holding unit is connected by hole of pressurizeing with pressure-regulating device, and the bottom of core holding unit is by heating interface
It is connected with temperature-adjusting device, the right-hand member of core holding unit is circumscribed with data collecting system, pressure-regulating device, temperature by perforate
Degree adjusting means, data collecting system are connected by transmission data wire with computer system；Described data collecting system bag
Electrode contact socket, switch, electric bridge instrument and data acquisition unit are included, one end of electrode contact socket and perforate are external, electrode contact
The other end of socket is connected with switch, and switch is connected with the input of electric bridge instrument and the input T of data acquisition unit respectively, electric bridge
The output end of instrument and the input T connections of data acquisition unit, the output end P of data acquisition unit are connected with computer system.
Further, described core holding unit also includes cylinder, heat insulating mattress, heating wire, electrode film, gum cover, pressurization
Annular space and high temperature resistance soft electrode, high temperature resistance soft electrode are arranged at the bosom position of core holding unit, and heat insulating mattress is attached at cylinder
The madial wall of body, heating wire, pressurization annular space, gum cover, electrode film are attached on heat insulating mattress successively, and electrode film is wrapped in rock core.
Further, between described pressure-regulating device, temperature-adjusting device, data collecting system and computer system
It is provided with cable concentrator.
Further, described temperature-adjusting device includes temperature variable frequency adjustment unit and temperature indicator.
Further, described pressure-regulating device includes pressure variable frequency adjustment unit and pressure display unit.
Further, described transparent vessel and core holding unit are formed in one structure.
The utility model has advantages below：
1st, a kind of rock core self-priming evaluating apparatus for simulating HTHP stratum described in the utility model has measurement accuracy
The characteristics of high, rock core is horizontal positioned, left side and reservoir, head of liquid caused by the liquid of certain altitude can in container
With the head of liquid of working solution in simulation wellbore hole, the horizontal positioned influence for avoiding gravity to rock core self-priming of rock core；Pass through liquid level
Decline with the size of water saturation to determine that rock core from pipette, avoids artificial caused by directly reading core quality change
Error and accidental error.
2nd, a kind of rock core self-priming evaluating apparatus for simulating HTHP stratum described in the utility model also has and can supervised
Survey various states parameters, it is applied widely the characteristics of, can be determined by resistance between electrode rate value during determining rock core self-priming
Rock core water containing saturability, and then obtain rock core from pipette, electricity between rock core different parts electrode can be monitored during rock core self-priming
Rock core under the change of rock core water containing saturability, the certain confined pressure of monitoring and certain temperature during the change of resistance rate, monitoring self-priming
From pipette, Spontaneous imbibition rate of the monitoring rock core within a period of time, can monitoring parameters it is more, meanwhile, the utility model fills equipped with pressurization
Put and heating apparatus, can be by simulating different formation conditions, rock core under measure different temperatures, pressure is from pipette and self-priming
Speed, self-priming effect can be more accurately evaluated, there is the advantages of applied widely.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the internal sectional structure schematic diagram of core holding unit；
In figure：1- transparent vessels, 2- valves, 3- core holding units, 5- pressure-regulating devices, 6- switches, 7- electric bridge instrument, 8-
Cable concentrator, 9- computer systems, 10- data acquisition units, 11- electrode contact sockets, 12- temperature-adjusting devices, 13- perforates, 14-
Support, 15- high temperature resistance soft electrodes, 16- gum covers, 17- heating wire, 18- electrode films, 19- pressurizations hole, 20- cylinders, 21- heat insulating mattress,
22- internal threads, 23- external screw threads, 24- plungers, 25- rock cores, 26- heating interfaces, 27- pressurization annular spaces.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings, but the scope of protection of the utility model is not limited to
It is as described below.
As depicted in figs. 1 and 2, a kind of rock core self-priming evaluating apparatus for simulating HTHP stratum, it includes line with a scale
Transparent vessel 1, core holding unit 3, pressure-regulating device 5, temperature-adjusting device 12, data collecting system and computer system
9, the inner horizontal of described core holding unit 3 is placed with rock core 25, the outer surface of core holding unit 3 be provided with pressurization hole 19,
Plunger 24 and heating interface 26, plunger 24 are provided with screw thread and perforate 13, and transparent vessel 1 is connected with the left end of core holding unit 3,
The top of core holding unit 3 is connected by hole 19 of pressurizeing with pressure-regulating device 5, and the bottom of core holding unit 3 is connect by heating
Mouth 26 is connected with temperature-adjusting device 12, and the right-hand member of core holding unit 3 is circumscribed with data collecting system by perforate 13, and pressure is adjusted
Regulating device 5, temperature-adjusting device 12, data collecting system are connected by transmission data wire with computer system 9；Described number
Include electrode contact socket 11, switch 6, electric bridge instrument 7 and data acquisition unit 10, one end of electrode contact socket 11 according to acquisition system
External with perforate 13, the other end of electrode contact socket 11 be connected with switch 6, switchs 6 input sums with electric bridge instrument 7 respectively
According to the input T1 connections of collector 10, the output end of electric bridge instrument 7 is connected with the input T2 of data acquisition unit 10, data acquisition
The output end P of device 10 is connected with computer system 9.
Further, cylinder is also included as preferred embodiment of the present utility model, described core holding unit 3
20th, heat insulating mattress 21, heating wire 17, electrode film 18, gum cover 16, pressurization annular space 27 and high temperature resistance soft electrode 15, high temperature resistance soft electrode
15 are arranged at the bosom position of core holding unit 3, and heat insulating mattress 21 is attached at the madial wall of cylinder 20, heating wire 17, pressurization
Annular space 27, gum cover 16, electrode film 18 are attached on heat insulating mattress 21 successively, and electrode film 18 is wrapped in rock core 25；Described pressure is adjusted
Cable concentrator 8 is provided between regulating device 5, temperature-adjusting device 12, data collecting system and computer system 9；Described temperature
Adjusting means 12 includes temperature variable frequency adjustment unit and temperature indicator；Described pressure-regulating device 5 includes pressure frequency conversion
Adjustment unit and pressure display unit；Described transparent vessel 1 and core holding unit 3 are formed in one structure.
The course of work of the present utility model is as follows：By the utility model according to the annexation shown in Fig. 1 and Fig. 2 and position
Relation is installed, and can be begun to use after the utility model installation.The utility model is horizontal positioned by rock core 25, left side
Connected with transparent vessel 1, head of liquid caused by the liquid of certain altitude can be with working solution in simulation wellbore hole in transparent vessel 1
Head of liquid, the horizontal positioned influence for avoiding gravity to rock core self-priming of rock core 25；Can be by dual method for measuring, i.e.,
Declined by the liquid level in transparent vessel 1 with the size of water saturation to determine that rock core from pipette, is avoided because directly reading
Human error and accidental error caused by the mass change of rock core 25.The utility model can be realized during the measure self-priming of rock core 25
Resistance between electrode rate value determines rock core water containing saturability, and then obtains rock core from pipette, during can monitoring the self-priming of rock core 25
Change, the monitoring of rock core water containing saturability are certain during the change of the different parts resistance between electrode rate of rock core 25, monitoring self-priming
Spontaneous imbibition rate of the rock core from pipette, monitoring rock core 25 within a period of time under confined pressure and certain temperature, meanwhile, the utility model is matched somebody with somebody
There are pressure-regulating device 5 and temperature-adjusting device 12, can be by simulating different formation conditions, measure different temperatures, pressure
Under rock core from pipette and Spontaneous imbibition rate, can more accurately evaluate self-priming effect, the scope of application is very extensive.Department of computer science
9 pairs of whole rock core self-priming evaluating apparatus of system are controlled；Determining component mainly includes transparent vessel 1, high temperature resistance soft electrode 15, electricity
Bridge instrument 7 and data acquisition unit 10 form.
Described above is only preferred embodiment of the present utility model, it should be understood that the utility model is not limited to herein
Disclosed form, the exclusion to other embodiment is not to be taken as, and can be used for various other combinations, modification and environment, and
It can be modified in contemplated scope described herein by the technology or knowledge of above-mentioned teaching or association area.And this area
The change and change that personnel are carried out do not depart from spirit and scope of the present utility model, then all should be in right appended by the utility model
It is required that protection domain in.
Claims (6)
- A kind of 1. rock core self-priming evaluating apparatus for simulating HTHP stratum, it is characterised in that：It includes the transparent of line with a scale Container（1）, core holding unit（3）, pressure-regulating device（5）, temperature-adjusting device（12）, data collecting system and department of computer science System（9）, described core holding unit（3）Inner horizontal be placed with rock core（25）, core holding unit（3）Outer surface be provided with Pressurization hole（19）, plunger（24）With heating interface（26）, plunger（24）It is provided with screw thread and perforate（13）, transparent vessel（1）With Core holding unit（3）Left end be connected, core holding unit（3）Top pass through hole of pressurizeing（19）With pressure-regulating device（5）Even Connect, core holding unit（3）Bottom by heating interface（26）With temperature-adjusting device（12）Connection, core holding unit（3）'s Right-hand member passes through perforate（13）It is circumscribed with data collecting system, pressure-regulating device（5）, temperature-adjusting device（12）, data acquisition System passes through transmission data wire and computer system（9）Connection；Described data collecting system includes electrode contact socket （11）, switch（6）, electric bridge instrument（7）And data acquisition unit（10）, electrode contact socket（11）One end and perforate（13）It is external, Electrode contact socket（11）The other end and switch（6）Connection, switch（6）Respectively with electric bridge instrument（7）Input and data adopt Storage（10）Input T1 connections, electric bridge instrument（7）Output end and data acquisition unit（10）Input T2 connections, data adopt Storage（10）Output end P and computer system（9）Connection.
- A kind of 2. rock core self-priming evaluating apparatus for simulating HTHP stratum according to claim 1, it is characterised in that：Institute The core holding unit stated（3）Also include cylinder（20）, heat insulating mattress（21）, heating wire（17）, electrode film（18）, gum cover（16）、 Pressurize annular space（27）With high temperature resistance soft electrode（15）, high temperature resistance soft electrode（15）It is arranged at core holding unit（3）Bosom Position, heat insulating mattress（21）It is attached at cylinder（20）Madial wall, heating wire（17）, pressurization annular space（27）, gum cover（16）, electrode film （18）Heat insulating mattress is attached to successively（21）On, electrode film（18）It is wrapped in rock core（25）.
- A kind of 3. rock core self-priming evaluating apparatus for simulating HTHP stratum according to claim 1, it is characterised in that：Institute The pressure-regulating device stated（5）, temperature-adjusting device（12）, data collecting system and computer system（9）Between be provided with collection Line box（8）.
- A kind of 4. rock core self-priming evaluating apparatus for simulating HTHP stratum according to claim 1, it is characterised in that：Institute The temperature-adjusting device stated（12）Include temperature variable frequency adjustment unit and temperature indicator.
- A kind of 5. rock core self-priming evaluating apparatus for simulating HTHP stratum according to claim 1, it is characterised in that：Institute The pressure-regulating device stated（5）Including pressure variable frequency adjustment unit and pressure display unit.
- A kind of 6. rock core self-priming evaluating apparatus for simulating HTHP stratum according to claim 1, it is characterised in that：Institute The transparent vessel stated（1）With core holding unit（3）Be formed in one structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720617625.1U CN206740585U (en) | 2017-05-31 | 2017-05-31 | A kind of rock core self-priming evaluating apparatus for simulating HTHP stratum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720617625.1U CN206740585U (en) | 2017-05-31 | 2017-05-31 | A kind of rock core self-priming evaluating apparatus for simulating HTHP stratum |
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| Publication Number | Publication Date |
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| CN206740585U true CN206740585U (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720617625.1U Expired - Fee Related CN206740585U (en) | 2017-05-31 | 2017-05-31 | A kind of rock core self-priming evaluating apparatus for simulating HTHP stratum |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917868A (en) * | 2017-12-29 | 2018-04-17 | 西南石油大学 | The test device and its test method of shale suction capacity under a kind of confined pressure |
| CN109632579A (en) * | 2018-12-29 | 2019-04-16 | 西南石油大学 | A kind of shale clay mineral is forced from pipette prediction technique |
| CN109838218A (en) * | 2019-03-05 | 2019-06-04 | 西南石油大学 | It is a kind of to simulate the experimental provision exploited after the bored well of multistage pressure break horizontal gas well and method |
| CN109991143A (en) * | 2017-12-31 | 2019-07-09 | 中国人民解放军63653部队 | The horizontal Seepage Flow Simulation Test Unit of the rock soil medium of sample cell size adjustable |
| CN110763732A (en) * | 2019-11-05 | 2020-02-07 | 中国石油大学(华东) | Method for measuring resistivity of shale sample under different temperature, pressure and fluid conditions |
| CN111879678A (en) * | 2020-07-31 | 2020-11-03 | 西南石油大学 | Self-priming method-based experimental method for gas-water relative permeability of tight sandstone |
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2017
- 2017-05-31 CN CN201720617625.1U patent/CN206740585U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917868A (en) * | 2017-12-29 | 2018-04-17 | 西南石油大学 | The test device and its test method of shale suction capacity under a kind of confined pressure |
| CN109991143A (en) * | 2017-12-31 | 2019-07-09 | 中国人民解放军63653部队 | The horizontal Seepage Flow Simulation Test Unit of the rock soil medium of sample cell size adjustable |
| CN109632579A (en) * | 2018-12-29 | 2019-04-16 | 西南石油大学 | A kind of shale clay mineral is forced from pipette prediction technique |
| CN109632579B (en) * | 2018-12-29 | 2021-10-22 | 西南石油大学 | Shale clay mineral forced self-absorption amount prediction method |
| CN109838218A (en) * | 2019-03-05 | 2019-06-04 | 西南石油大学 | It is a kind of to simulate the experimental provision exploited after the bored well of multistage pressure break horizontal gas well and method |
| CN109838218B (en) * | 2019-03-05 | 2021-03-16 | 西南石油大学 | Experimental device and method for simulating multi-section fractured horizontal gas well stuffy well post-mining |
| CN110763732A (en) * | 2019-11-05 | 2020-02-07 | 中国石油大学(华东) | Method for measuring resistivity of shale sample under different temperature, pressure and fluid conditions |
| CN111879678A (en) * | 2020-07-31 | 2020-11-03 | 西南石油大学 | Self-priming method-based experimental method for gas-water relative permeability of tight sandstone |
| CN111879678B (en) * | 2020-07-31 | 2022-06-07 | 西南石油大学 | Self-priming method-based experimental method for gas-water relative permeability of tight sandstone |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20171212 Termination date: 20180531 |