CN105041285B - Experimental system for simulating is split in a kind of cold stratum shale oil hot pressing - Google Patents
Experimental system for simulating is split in a kind of cold stratum shale oil hot pressing Download PDFInfo
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- CN105041285B CN105041285B CN201510578943.7A CN201510578943A CN105041285B CN 105041285 B CN105041285 B CN 105041285B CN 201510578943 A CN201510578943 A CN 201510578943A CN 105041285 B CN105041285 B CN 105041285B
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- stratum
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- pressure break
- blender
- fracturing fluid
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Abstract
Experimental system for simulating is split in a kind of cold stratum shale oil hot pressing, including with egf block, stratum module, pressure break module, analysis module and control module；The sample cylinder for including being used to accommodate shale sample with egf block；Stratum module includes formation temperature sensor and refrigerant injection device；Pressure break module includes pressure break temperature sensor, frac pressure sensor, fracturing fluid injection device；Control module includes monitoring host computer.Integrated level of the present invention is high, and whole experimental provision is arranged in a housing, easy maintenance；The shell structure of three layer of three chamber is employed, preparation is carried out in exocoel, stratum simulation is carried out in inner chamber, and fracture simulation is carried out in inner chamber, and three chambers are non-interference, reached that position is separated and the interactional purpose of functional effect；High degree of automation, the one-key operation of experiment can be realized by monitoring host computer, and whole experiment process can be completed in the case of unattended, conventional efficient is improved.
Description
Technical field
It is used to simulate cold stratum hydraulic pressure the present invention relates to a kind of shale oil exploitation simulated experiment system, more particularly to one kind
The experimental system for simulating of oil heating pressure break.
Background technology
With the aggravation of energy crisis, many countries include the U.S., Russia and have all carried out opening for shale oil gas in the world
Technical research is adopted, many regional shale oil exploitations have begun to take shape, and achieve technical breakthrough and success economically；
And Chinese shale oil exploitation is started late, mineral reserve occurrence condition is poor, and industrialized production difficulty is larger, in largely constraining
The market development of state's shale oil, is unfavorable for game and competition of the China in international energy field.
The key technology of shale oil exploitation is pressure break, and especially hot pressing is split.Because the porosity of shale formation is smaller, tradition
Fracturing process and fracturing parameter be difficult direct use for reference, it is necessary to carry out substantial amounts of experiment, searching for specific shale preservation oil reservoir
Most suitably used pressure break approach.Traditional experiment is typically to be carried out at the scene of oil recovery, this mode although accuracy measured directly
It is higher, but due to site environment change greatly, influence factor is more, hardly results in complete experimental data, and many critical datas are all
Obtained by the average variance of many experiments, simultaneously, it is contemplated that oil field at home is typically all distributed in remote districts, this is invisible
In also increase experimental cost.Also there are some experimental system for simulating in the prior art, but it is only the measurement of single parameter,
Integrated level is not high, and each experimental procedure relies on manual switching and operation, and precision is poor, and automaticity is low, even more important
It, even if having, is also the regulation for fracturing fluid temperature to be, existing experimental system for simulating usually not temperature control device, right
One of formation temperature key parameter can not be simulated targetedly.So, when it simulates the shale oil pressure break of extremely frigid zones,
It is difficult to obtain correct experiment parameter.
The content of the invention
To solve the above problems, the present invention proposes that experimental system for simulating is split in a kind of cold stratum shale oil hot pressing, including outer
Housing, middle housing and inner housing, the shell body and middle housing limit exocoel, and the middle housing and inner housing limit interior
It is experiment chamber inside chamber, the inner housing, also including with egf block, stratum module, pressure break module, analysis module and control mould
Block；
It is described to be arranged on egf block in the exocoel, the sample for including being used to accommodate shale sample with egf block
The first measuring pump and the second measuring pump are connected with cylinder, the sample cylinder, first measuring pump connects oil sources, second meter
Measure and be respectively arranged with electric-control stop valve door and gauge table on pump connection source of the gas, first measuring pump and the second measuring pump；
The stratum module includes formation temperature sensor and refrigerant injection device, and the formation temperature sensor is arranged on
In the inner chamber, the refrigerant injection device ascending pipe, electric-controlled switch and low-temperature receiver, the electric-controlled switch are arranged on the ascending pipe
On, described ascending pipe one end is extend into the inner chamber, and the other end connects the low-temperature receiver；
The pressure break module includes pressure break temperature sensor, frac pressure sensor, fracturing fluid injection device, the pressure break
Temperature sensor and frac pressure sensor are arranged in the experiment chamber, are respectively used to detection pressure break temperature and frac pressure,
The fracturing fluid injection device includes high-precision measuring pump, fracturing fluid buffer, blender, mass air flow sensor, air compressor machine, voltage stabilizing
Tank, counterbalance valve and vavuum pump, the high-precision measuring pump are connected by stop valve with the import of the fracturing fluid buffer, described
The outlet of fracturing fluid buffer is connected by stop valve with the first import of the blender, and the second import of the blender is led to
The mass air flow sensor is crossed to be connected with the air compressor machine；The primary outlet of the blender passes through flow-controllable valve and the vacuum tank
Import connection, the vacuum tank outlet with it is described test chamber in shale sample be connected, the first pair of the blender goes out
The mouth connection counterbalance valve, the second sub-outlet of the blender connects the vavuum pump；
The analysis module is arranged in the exocoel, including spectroanalysis instrument, NMR imaging instrument, sonic detector
With far infrared imagery instrument；
The control module includes monitoring host computer, and the monitoring host computer connection is described to match somebody with somebody egf block, stratum module, pressure break mould
Block and analysis module.
It is preferred that the low-temperature receiver is dry ice or liquid nitrogen.
It is preferred that the fracturing fluid injection device also includes electrical heating coil pipe, the electrical heating coil pipe is arranged on the fracturing fluid
On the connecting line of buffer and the blender.
It is preferred that described also include AC servo motor, AC Servo Motor Control device, reductor, ball-screw with egf block
And transport platform, sample cylinder is arranged in the transport platform, and the AC servo motor passes through reductor, ball-screw and connected
The transport platform, the motor shaft for controlling the AC servo motor by the AC Servo Motor Control device rotates the number of turns, with
The displacement of this control transport platform.
Integrated level of the present invention is high, and whole experimental provision is arranged in a housing, easy maintenance；Employ three layer three
The shell structure of chamber, preparation is carried out in exocoel, and stratum simulation is carried out in inner chamber, and fracture simulation is carried out in inner chamber, and three chambers are mutual
Do not interfere, reached that position is separated and the interactional purpose of functional effect；High degree of automation, can be real by monitoring host computer
The one-key operation that reality is tested, whole experiment process can be completed in the case of unattended, conventional efficient is improved.
Brief description of the drawings
Accompanying drawing 1 is the structural representation that experimental system for simulating is split in cold stratum shale oil hot pressing of the present invention.
Embodiment
The preferred embodiment of experimental system for simulating is split in 1 pair of cold stratum shale oil hot pressing of the present invention below in conjunction with the accompanying drawings
It is described in detail.
In a preferred embodiment, experimental system for simulating is split in cold stratum shale oil hot pressing, including by shell body, middle shell
The experiment porch that body and inner housing are constituted, shell body is made up of light weight board, essentially rectangular, above sets multiple sights with sheet glass
Hole is examined, middle housing is substantially oval, has temperature insulating material to be made, preferably includes three-decker, its outer layer is glass epoxy,
Thickness is 3-4cm, and middle level is asbestos layer, and thickness is not less than 10cm, and internal layer is protective layer, by the polytetrafluoroethyl-ne that thickness is 1-2cm
Alkene layer is constituted, that is, ensures its being reliably connected with asbestos layer, corrosion of the refrigerant to it is prevented again, is between shell body and middle housing
Exocoel, is that experimental system is substantially by with egf block, stratum to test chamber between middle housing and inner housing inside inner chamber, inner housing
Module, pressure break module, analysis module and a few part compositions of control module.
It is used to configure pressure break sample with egf block, it is arranged in exocoel, all samples work substantially all in exocoel
Carry out, prepare the sample completed and pass through in the conveying device feeding experiment chamber with egf block.Shale sample is placed on egf block
In sample cylinder in, be connected with the first measuring pump and the second measuring pump on sample cylinder, the first measuring pump connection oil sources, oil sources be with
What is made is used for the oil of experiment, generally by the way of dead oil and oily mixture living, as far as possible the petroleum component of simulated field,
Second measuring pump connects source of the gas, and source of the gas is to be respectively arranged with electric-control stop valve on natural gas, the first measuring pump and the second measuring pump
Door and measuring pump, inject the oil and natural gas prepared, and ensure enough pressure so that it penetrates into examination by measuring pump
Among sample, pass through electric-control stop valve gate control injection rate, it is ensured that injection precision；Also include conveying device, conveying dress with egf block
Put including AC servo motor, AC Servo Motor Control device, reductor, ball-screw and transport platform, sample cylinder is arranged on defeated
Send on platform, AC servo motor connects transport platform by reductor, ball-screw, control to hand over by AC Servo Motor Control device
The motor shaft of flow servo motor rotates the number of turns, and the displacement of transport platform is controlled with this, makes it that sample cylinder accurately is sent into reality
Test the appropriate position of chamber.
Stratum module is used for simulated formation temperature, and controls it, and it includes formation temperature sensor and refrigerant note
Enter device, formation temperature sensor is set in the lumen, and for monitoring the temperature in inner chamber in real time, refrigerant injection device includes note
Enter pipe, electric-controlled switch and low-temperature receiver, ascending pipe one end is extend into inner chamber, other end connection low-temperature receiver, for low-temperature receiver to be injected into inner chamber,
Keep the low temperature in inner chamber, electric-controlled switch is arranged on ascending pipe, in real time the injection rate of control low-temperature receiver, low-temperature receiver can for dry ice or
Liquid nitrogen, it would however also be possible to employ other refrigerants, but must assure that it can produce the low temperature that inner chamber is less than subzero 30 DEG C, to simulate height
The extremely low formation temperature in cold area；
Pressure break module includes pressure break temperature sensor, frac pressure sensor, fracturing fluid injection device, pressure break TEMP
Device and frac pressure sensor are arranged in experiment chamber, are respectively used to detection pressure break temperature and frac pressure, fracturing fluid injection dress
Put including high-precision measuring pump, fracturing fluid buffer, blender, mass air flow sensor, air compressor machine, vacuum tank, counterbalance valve and vacuum
Pump, high-precision measuring pump is connected by the first stop valve with the import of fracturing fluid buffer, and fracturing fluid is injected into buffer, pressure
The outlet for splitting liquid buffer is connected by the first import of the second stop valve and blender, and fracturing fluid is imported in blender, mixed
Second import of orchestration is connected by mass air flow sensor with air compressor machine, by air compressor machine to blender inject air, and make its with
Fracturing fluid is mixed, the actual pressure break present situation of simulated field as true to nature as possible；It is preferred that in the company of fracturing fluid buffer and blender
Electrical heating coil pipe on road is taken over, fracturing fluid is heated in real time, the hot pressing of simulated field is split, blender includes three outlets,
Its primary outlet is connected by the import of flow-controllable valve and vacuum tank, and the volume of vacuum tank is tried one's best greatly, by from blender to steady
The pressure oscillation of the change reduction fracturing fluid of pressure tank volume, the influence for avoiding pressure oscillation from bringing fracturing effect, blender
First sub-outlet connects counterbalance valve, for the release when breaking down, and prevents danger, the second sub-outlet connection of blender
Vavuum pump, for the fracturing fluid being vented at the end of experiment in blender and connected buffer etc.；The outlet of vacuum tank
It is connected with the shale sample in experiment chamber, for carrying out pressure break to sample.
Analysis module is used to analyze sample, and it is arranged in exocoel, including but not limited to spectroanalysis instrument, nuclear-magnetism
One or more in resonance imager, sonic detector and far infrared imagery instrument, by various analytical instrument to post-fracturing
Sample carries out physical and chemical performance analysis, obtains pressure break gap rate, gap distribution trend, gas solubility, oil solubility, oil gas remaining
The key parameters such as amount, fracturing fluid consumption, and and then calculate pressure break efficiency, assess different temperatures pressure under fracturing effect.
Control module includes monitoring host computer PLC, and egf block, stratum module, pressure break module and analysis are matched somebody with somebody in monitoring host computer connection
Module, the operation for controlling wherein each part, its control can be realized by program, also can step by step be carried out by manually.
The above, be only patent of the present invention preferably embodiment, but patent of the present invention protection domain not
This is confined to, any one skilled in the art can readily occur in the technical scope of patent diselosesll of the present invention
Change or replacement, should all cover within the protection domain of patent of the present invention.
Claims (3)
1. experimental system for simulating, including shell body, middle housing and inner housing, the shell are split in a kind of cold stratum shale oil hot pressing
Body and middle housing limit exocoel, and the middle housing and inner housing are limited inside inner chamber, the inner housing as experiment chamber；It is described
Shell body is made up of light weight board, above sets multiple peep holes with sheet glass；The middle housing by three-decker temperature insulating material
It is made, the middle housing outer layer is glass epoxy, thickness is 3-4cm, and middle level is asbestos layer, and thickness is not less than 10cm, interior
Layer is protective layer, is made up of thickness for 1-2cm polytetrafluoroethylene floor, it is characterised in that：Also include matching somebody with somebody egf block, stratum mould
Block, pressure break module, analysis module and control module；
It is described to be arranged on egf block in the exocoel, the sample cylinder for including being used to accommodate shale sample with egf block, institute
State and the first measuring pump and the second measuring pump are connected with sample cylinder, first measuring pump connects oil sources, second measuring pump
Connect and electric-control stop valve door and gauge table are respectively arranged with source of the gas, first measuring pump and the second measuring pump；
The stratum module includes formation temperature sensor and refrigerant injection device, and the formation temperature sensor is arranged on described
In inner chamber, the refrigerant injection device includes ascending pipe, electric-controlled switch and low-temperature receiver, and the low-temperature receiver is dry ice or liquid nitrogen, so as to protect
The low temperature that inner chamber is less than subzero 30 DEG C is demonstrate,proved, to simulate the extremely low formation temperature of extremely frigid zones；The electric-controlled switch is arranged on described
On ascending pipe, described ascending pipe one end is extend into the inner chamber, and the other end connects the low-temperature receiver；
The pressure break module includes pressure break temperature sensor, frac pressure sensor, fracturing fluid injection device, the pressure break temperature
Sensor and frac pressure sensor are arranged in the experiment chamber, are respectively used to detection pressure break temperature and frac pressure, described
Fracturing fluid injection device include high-precision measuring pump, fracturing fluid buffer, blender, mass air flow sensor, air compressor machine, vacuum tank,
Counterbalance valve and vavuum pump, the high-precision measuring pump are connected by stop valve with the import of the fracturing fluid buffer, the pressure
The outlet for splitting liquid buffer is connected by stop valve with the first import of the blender, and the second import of the blender passes through
The mass air flow sensor is connected with the air compressor machine；The primary outlet of the blender passes through flow-controllable valve and the vacuum tank
Import is connected, and the outlet of the vacuum tank is connected with the shale sample in the experiment chamber, the first sub-outlet of the blender
The counterbalance valve is connected, the second sub-outlet of the blender connects the vavuum pump；
The analysis module is arranged in the exocoel, including spectroanalysis instrument, NMR imaging instrument, sonic detector and remote
Infrared thermoviewer；
The control module includes monitoring host computer, monitoring host computer connection it is described with egf block, stratum module, pressure break module and
Analysis module.
2. experimental system for simulating is split in cold stratum shale oil hot pressing as claimed in claim 1, it is characterised in that：The fracturing fluid
Injection device also includes electrical heating coil pipe, and the electrical heating coil pipe is arranged on the company of the fracturing fluid buffer and the blender
Take on road.
3. experimental system for simulating is split in cold stratum shale oil hot pressing as claimed in claim 1, it is characterised in that：It is described to match somebody with somebody original mold
Block also includes AC servo motor, AC Servo Motor Control device, reductor, ball-screw and transport platform, and the sample cylinder is set
Put in the transport platform, the AC servo motor connects the transport platform by reductor, ball-screw, handed over by described
Flow servo motor controller controls the motor shaft of the AC servo motor to rotate the number of turns, with this control the movement of transport platform away from
From.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510578943.7A CN105041285B (en) | 2015-09-12 | 2015-09-12 | Experimental system for simulating is split in a kind of cold stratum shale oil hot pressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510578943.7A CN105041285B (en) | 2015-09-12 | 2015-09-12 | Experimental system for simulating is split in a kind of cold stratum shale oil hot pressing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105041285A CN105041285A (en) | 2015-11-11 |
| CN105041285B true CN105041285B (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510578943.7A Expired - Fee Related CN105041285B (en) | 2015-09-12 | 2015-09-12 | Experimental system for simulating is split in a kind of cold stratum shale oil hot pressing |
Country Status (1)
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4832121A (en) * | 1987-10-01 | 1989-05-23 | The Trustees Of Columbia University In The City Of New York | Methods for monitoring temperature-vs-depth characteristics in a borehole during and after hydraulic fracture treatments |
| CN201271958Y (en) * | 2008-05-28 | 2009-07-15 | 大连连城数控机器有限公司 | Vertical feed apparatus of multi-wire cutting machine |
| CN201724868U (en) * | 2010-08-06 | 2011-01-26 | 东北石油大学 | Indoor device for simulating process of hydraulic fracture and rupture |
| CN102704922A (en) * | 2012-05-30 | 2012-10-03 | 中国石油大学(华东) | Supercritical carbon dioxide carrying sand flow mechanism researching experiment device |
| CN103712897A (en) * | 2014-01-07 | 2014-04-09 | 西南石油大学 | Sand-carrying performance test device for fracturing liquid by adopting high-speed photography and digital image technologies |
| CN204128905U (en) * | 2014-10-29 | 2015-01-28 | 吉林大学 | A kind of resinous shale waterfrac treatment experimental system for simulating |
| CN204163714U (en) * | 2014-06-23 | 2015-02-18 | 西南石油大学 | A kind of hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities |
| CN104677778A (en) * | 2014-12-22 | 2015-06-03 | 中国石油大学(华东) | Device and method for evaluating temporarily freezing plugging properties of coalbed methane in process of fracturing |
-
2015
- 2015-09-12 CN CN201510578943.7A patent/CN105041285B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4832121A (en) * | 1987-10-01 | 1989-05-23 | The Trustees Of Columbia University In The City Of New York | Methods for monitoring temperature-vs-depth characteristics in a borehole during and after hydraulic fracture treatments |
| CN201271958Y (en) * | 2008-05-28 | 2009-07-15 | 大连连城数控机器有限公司 | Vertical feed apparatus of multi-wire cutting machine |
| CN201724868U (en) * | 2010-08-06 | 2011-01-26 | 东北石油大学 | Indoor device for simulating process of hydraulic fracture and rupture |
| CN102704922A (en) * | 2012-05-30 | 2012-10-03 | 中国石油大学(华东) | Supercritical carbon dioxide carrying sand flow mechanism researching experiment device |
| CN103712897A (en) * | 2014-01-07 | 2014-04-09 | 西南石油大学 | Sand-carrying performance test device for fracturing liquid by adopting high-speed photography and digital image technologies |
| CN204163714U (en) * | 2014-06-23 | 2015-02-18 | 西南石油大学 | A kind of hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities |
| CN204128905U (en) * | 2014-10-29 | 2015-01-28 | 吉林大学 | A kind of resinous shale waterfrac treatment experimental system for simulating |
| CN104677778A (en) * | 2014-12-22 | 2015-06-03 | 中国石油大学(华东) | Device and method for evaluating temporarily freezing plugging properties of coalbed methane in process of fracturing |
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| CN105041285A (en) | 2015-11-11 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tian Kunyun Inventor after: Sun Guangzhong Inventor after: Xu Xing Inventor before: Xu Jianli |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170621 Address after: 451191, Xianghe Road, Longhu Town, Zhengzhou, Henan, Xinzheng Applicant after: Henan Institute of Engineering Address before: 311813, room 3, unit 23, 105, Jiyang street, Shaoxing East Road, Zhuji, Zhejiang Applicant before: Xu Jianli |
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