CN109252857A - For Study In Reservoir-pit shaft coupled heat and mass transfer rule device and method - Google Patents
For Study In Reservoir-pit shaft coupled heat and mass transfer rule device and method Download PDFInfo
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- CN109252857A CN109252857A CN201810866844.2A CN201810866844A CN109252857A CN 109252857 A CN109252857 A CN 109252857A CN 201810866844 A CN201810866844 A CN 201810866844A CN 109252857 A CN109252857 A CN 109252857A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Abstract
The present invention relates to ocean hydrate drilling fields, disclose a kind of for Study In Reservoir-pit shaft coupled heat and mass transfer rule device and method.The device of the invention being capable of microcosmic Simulation ocean hydrate reservoir and pit shaft, when can simply, efficiently simulate mud filtrate invasion hydrate reservoir between reservoir-pit shaft coupled heat and mass transfer process, realize function interconnected when mutually indepedent, circulating fluid when pit shaft and hydrate reservoir intersection are initial, it can also be convenient for the corresponding data of subsequent acquisition and image information, technological deficiency, and closer actual condition are filled up.
Description
Technical field
The present invention relates to ocean hydrate drilling fields, are used for Study In Reservoir-pit shaft Coupled Heat Transfer more particularly to one kind
The device of mass transfer rule and for Study In Reservoir-pit shaft coupled heat and mass transfer rule method.
Background technique
Gas hydrates are concerned as 21 century new energy, it is the complex compound of a type ice-like, usually by
Methane and hydrone form.Gas hydrates rich reserves, organic carbon content account for about the 53.3% of global organic carbon;Energy is close
Degree is high, marks 1m under condition3Gas hydrates can be decomposed into 160m3Natural gas;Widely distributed, main preservation is stored up in ocean
In layer and continental shelf frozen soil layer.According to the feature that balances each other of hydrate, industrially propose including heat shock method, voltage drop method, suppression
Preparation method and CO2A variety of recovery methods including displacement method, but no matter use which kind of recovery method, require by drilling well come
Realize the connection of reservoir and ground.
However compared with ground drilling, the difficulty that ocean hydrate hides drilling well is bigger, risk is higher.Since hydrate is to temperature
Degree and pressure are extremely sensitive, and manual work can lure the decomposition of hydrate in reservoir into the disturbance of reservoir temperature field and pressure field,
Cause the accidents such as reservoir collapsing, borehole well instability, well kick blowout.Wherein, the pressure in pit shaft and the component of drilling fluid, temperature etc. is all
It is an important factor for affecting mud filtrate invasion reservoir velocities and promote decomposition of hydrate speed in reservoir.Therefore, it understands in depth
During circulation of drilling fluid between hydrate reservoir and pit shaft the mechanism of heat and mass and rule, be conducive to prediction, control accident
The risk of generation.
The main item based on pure liquid phase environment or pure porous media environment of the current research in relation to hydrate heat and mass
Part, model are partially macroscopical, it is difficult to accurately explain that hydrate particle, the flow mechanism of air-liquid and rule, especially pit shaft and reservoir are handed over
Heat and mass transfer mechanism and rule at boundary.
It being capable of microcosmic monitoring ocean hydrate reservoir-pit shaft coupled heat and mass transfer rule dress therefore, it is necessary to design one kind
It sets and method, coupled heat and mass transfer between reservoir-pit shaft when simply, efficiently simulating mud filtrate invasion ocean hydrate reservoir
Process.
Summary of the invention
The object of the present invention is to provide a kind of for Study In Reservoir-pit shaft coupled heat and mass transfer rule device and is used for
Study In Reservoir-pit shaft coupled heat and mass transfer rule method, simply, efficiently to simulate mud filtrate invasion ocean hydrate reservoir
When reservoir-pit shaft between coupled heat and mass transfer process.
To achieve the goals above, one aspect of the present invention provides a kind of for Study In Reservoir-pit shaft coupled heat and mass transfer rule
The device of rule, including etching glass slide glass define the etched area of all round closure, the etched area in the etching glass slide glass
Including intermediate flow channel, positioned at the first texture area of the side of the intermediate flow channel and positioned at the other side of the intermediate flow channel
Second texture area is provided with multiple first lines being connected in first texture area, is provided in second texture area
Multiple second lines being connected, first texture area are connected to by first lines with the intermediate flow channel, and described
Two texture areas are connected to by second lines with the intermediate flow channel;
The both ends of the intermediate flow channel are respectively arranged with the first opening and the second opening, are arranged on the etching glass slide glass
There are the first gas injection port being connected to first lines and the first liquid injection port, is provided on the etching glass slide glass and described
The second gas injection port and the second liquid injection port of two lines connection.
Preferably, the multiple first lines is randomly distributed in first texture area, the multiple second lines
It is randomly distributed in second texture area;And/or
The etched area is diamond shape, and diagonal of the intermediate flow channel along the etched area is extended.
Preferably, be provided on the etching glass slide glass the first pouring orifice being connected to first lines and with it is described
Second pouring orifice of the second lines connection.
Preferably, first gas injection port, first liquid injection port and first pouring orifice are respectively positioned on first line
Manage the side away from second texture area in area;Second gas injection port, second liquid injection port and second pouring orifice
It is respectively positioned on the side away from first texture area of second texture area.
Preferably, described device includes acquisition unit, and the acquisition unit is for acquiring first texture area and described
Temperature, pressure data in second texture area everywhere, it is preferable that the acquisition unit can also acquire first texture area and
Electrical impedance data and image information in second texture area.
Preferably, described device include the air injection unit being connected to first gas injection port and second gas injection port, with
The fluid injection unit and first pouring orifice and second pouring orifice of first liquid injection port and second liquid injection port connection
The oiling unit of connection and with it is described first opening and second open communication circulation of drilling fluid unit.
Preferably, described device includes the recovery unit with first opening and second open communication.
Another aspect of the present invention provides a kind of for Study In Reservoir-pit shaft coupled heat and mass transfer rule method, the side
Method uses devices discussed above, the described method comprises the following steps:
S1, it is passed through aqueous solution and methane gas into first texture area, made completely raw in the multiple first lines
At hydrate, it is passed through aqueous solution and methane gas into second texture area, makes to generate completely in the multiple second lines
Hydrate;
S2, drilling fluid is injected into the intermediate flow channel, and make the drilling fluid through first opening and described second
Opening is in the intermediate flow channel internal circulation flow;
Temperature, pressure data in S3, acquisition first texture area and second texture area everywhere.
Preferably, be provided on the etching glass slide glass the first pouring orifice being connected to first lines and with it is described
Second pouring orifice of the second lines connection, the step S1 include:
S11, place the etching glass slide glass vertically, make first texture area upper, second texture area under,
Aqueous solution is injected into second texture area from second liquid injection port, until aqueous solution is full of the multiple second lines;
S12, from first pouring orifice slow oiling into first texture area, until oil is full of the multiple first
Lines and the intermediate flow channel, and at the edge and second texture area close to second texture area of the intermediate flow channel
Interior aqueous solution forms line of demarcation;
S13, methane gas is injected into first texture area from first gas injection port, until methane gas is extensive
The line of demarcation is contacted, the temperature for then controlling the etching glass slide glass reaches second texture area pressure strip at this time
Hydrate phase balance condition under part, and remain unchanged the temperature and pressure;
Hydrate at S14, the observation line of demarcation generates situation, until the hydrate completely plugged described second generated
Behind the port of lines being connected with the intermediate flow channel, methane is injected into second texture area from second gas injection port
Gas, until generating hydrate completely in the multiple second lines;
S15, the overturning etching glass slide glass, make first texture area under, from first liquid injection port to described
Aqueous solution is injected in first texture area, and the oil in the multiple first lines is opened from first opening and/or described second
Mouth displacement is gone out, until aqueous solution is full of the multiple first lines;
S16, methane gas is injected into first texture area from first gas injection port, until the multiple first line
Hydrate is generated in road completely,
The step S3 includes: to inject drilling fluid into the intermediate flow channel from first opening, until will be described
Oil in intermediate flow channel is all gone out from the second opening displacement, recycles the drilling fluid in the intermediate flow channel
Flowing.
Preferably, the method includes before the step S2 according to specific shear viscosity, composition, flow velocity, temperature,
Pressure, the parameter of rheological characteristic prepare the drilling fluid, and/or
The step S3 includes acquisition first texture area and electrical impedance data and shadow in second texture area
As information.
Through the above technical solutions, the device of the invention can microcosmic Simulation ocean hydrate reservoir and pit shaft, Neng Goujian
Just, efficiently simulation mud filtrate invasion hydrate reservoir when reservoir-pit shaft between coupled heat and mass transfer process, realize pit shaft with
Interconnected function when mutually indepedent when hydrate reservoir intersection is initial, circulating fluid, additionally it is possible to be convenient for subsequent acquisition
Corresponding data and image information have filled up technological deficiency, and closer actual condition.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of embodiment of etching glass slide glass in the present invention.
Description of symbols
10 etching glass slide glass, 11 intermediate flow channel
111 first opening, 112 second opening
12 first texture area, 121 first gas injection port
122 first liquid injection port, 123 first pouring orifice
13 second texture area, 131 second gas injection port
132 second liquid injection port, 133 second pouring orifice
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " typically refers to use shape
It is upper and lower under state." inside and outside " refers to relative to the inside and outside of each component profile itself.
One aspect of the present invention provides a kind of for Study In Reservoir-pit shaft coupled heat and mass transfer rule device, including etching
Glass slide 10 defines the etched area of all round closure in the etching glass slide glass 10, and the etched area includes intermediate flow channel
11, positioned at the first texture area 12 of the side of the intermediate flow channel 11 and positioned at the second of the other side of the intermediate flow channel 11
Texture area 13 is provided with multiple first lines being connected, setting in second texture area 13 in first texture area 12
There are multiple second lines being connected, first texture area 12 is connected to by first lines with the intermediate flow channel 11,
Second texture area 13 is connected to by second lines with the intermediate flow channel 11;Distinguish at the both ends of the intermediate flow channel 11
It is provided with the first opening 111 and the second opening 112, is provided on the etching glass slide glass 10 and is connected to first lines
First gas injection port 121 and the first liquid injection port 122 are provided be connected to second lines on the etching glass slide glass 10
Two gas injection ports 131 and the second liquid injection port 132.
Among the above, etching glass slide glass 10 is used to generate in porous media for simulating hydrate, decompose and follow with drilling fluid
Ring provides place, and realizes the function of temperature control to reach hydrate phase balance condition (being described below).Furthermore it is possible to understand
, the etched area that all round closure is defined in etching glass slide glass 10 indicates: the peripheral profile of the etched area be it is closed,
The port of first lines and second lines being located at the peripheral profile can be blocked in this way.First gas injection port
121 and first liquid injection port 122 be set as being connected to first lines, it will be appreciated that be the first gas injection port 121 and the first liquid injection port
122 are connected to one of them first lines, and when injecting gas into first lines or when liquid, gas or liquid can be along
First lines is flow in other first lines, until being full of the first all lines, this, which is also convenient for understanding setting, is connected
Multiple first lines feature.
Through the above technical solutions, the device of the invention being capable of microcosmic Simulation ocean hydrate reservoir and pit shaft (the first line
Reason area 12 and the second texture area 13 are considered as ocean hydrate reservoir, and intermediate flow channel 11 is considered as pit shaft), can it is easy,
When efficient simulation mud filtrate invasion hydrate reservoir between reservoir-pit shaft coupled heat and mass transfer process, realize pit shaft and water
Close object reservoir intersection it is initial when mutually indepedent, circulating fluid when interconnected function, additionally it is possible to be convenient for subsequent acquisition phase
The data and image information answered have filled up technological deficiency, and closer actual condition.
In addition, it is necessary to which explanation, etching glass slide glass 10 can be single integrated component, be also possible to by multiple components
Composition, such as etching glass slide glass 10 may include main body and cover board, be provided with the etched area, cover board on a side surface of main body
Sealing cover is located on the etched area, and intermediate flow channel 11, the first lines and the second lines are limited together with the etched area.
In the present invention, the multiple first lines and the multiple second lines are for the hole in simulating hydrate reservoir
Larynx can have arbitrary arrangement mode, but in order to make it closer to actual condition, the multiple first lines preferably exists
Irregular distribution in first texture area 12, the multiple second lines are irregular preferably in second texture area 13
Distribution.
In addition, the etched area can have arbitrary shape, such as rectangular, round, oval, triangle etc., it is intermediate
Runner 11 is preferably the linear type for crossing the etched area, and the first texture area 12 and the second texture area 13 is completely separated, the
The area of one texture area 12 and the second texture area 13 can be equal, can also be unequal.A kind of embodiment according to the present invention,
As shown in Figure 1, the etched area is diamond shape, diagonal of the intermediate flow channel 11 along the etched area is extended.
In the present invention, the first oiling being connected to first lines is also provided on the etching glass slide glass 10
Mouth 123 and the second pouring orifice 133 being connected to second lines.The specific purposes that pouring orifice is arranged are described below.
A preferred embodiment of the invention, as shown in Figure 1, first gas injection port 121, first fluid injection
Mouth 122 and first pouring orifice 123 are respectively positioned on the side away from second texture area 13 of first texture area 12;Institute
It states the second gas injection port 131, second liquid injection port 132 and second pouring orifice 133 and is respectively positioned on second texture area 13
Away from the side of first texture area 12.It enables to so during the experiment, to the first texture area 12 and the second texture
It gradually spreads in the direction that oil, gas or the liquid injected in area 13 is capable of runner 11 towards the middle.
In the present invention, described device further includes acquisition unit, and the acquisition unit is for acquiring first texture area 12
With the temperature in second texture area 13 everywhere, pressure data.Preferably, the acquisition unit can also acquire described first
Texture area 12 and electrical impedance data and image information in second texture area 13.Wherein, pass through temperature collection and pressure
Data can analyze temperature, pressure change everywhere in drilling fluid injection the first texture area 12 of front and back and the second texture area 13;It is logical
Acquisition electrical impedance data and image information are crossed, it can be in order to observing the generation situation of hydrate in the first lines and the second lines
And during circulation of drilling fluid hydrate decomposition situation, thus during obtaining circulation of drilling fluid between reservoir-pit shaft
The rule of coupled heat and mass transfer reduces the risk that accident occurs in practical exploitation in order to select drilling fluid appropriate.
In addition, described device of the invention may also include and first gas injection port 121 and second gas injection port 131 company
Logical air injection unit, the fluid injection unit being connected to first liquid injection port 122 and second liquid injection port 132, with described first
The oiling unit and be open with first opening 111 and described second that pouring orifice 123 and second pouring orifice 133 are connected to
The circulation of drilling fluid unit of 112 connections, for gas, liquid and oil needed for providing experiment.
In order to realize that the feature of environmental protection of experimentation, described device may also include and first opening 111 and described second
The recovery unit of 112 connection of opening, for recycling the fluid being discharged from etching glass slide glass 10.
Another aspect of the present invention provides a kind of for Study In Reservoir-pit shaft coupled heat and mass transfer rule method, this method
Using devices discussed above, the described method comprises the following steps:
S1, it is passed through aqueous solution and methane gas into first texture area 12, made in the multiple first lines completely
Hydrate is generated, is passed through aqueous solution and methane gas into second texture area 13, is made in the multiple second lines completely
Generate hydrate;
S2, drilling fluid is injected into the intermediate flow channel 11, and makes the drilling fluid through first opening 111 and described
Second opening 112 is in 11 internal circulation flow of intermediate flow channel;
Temperature, pressure data in S3, acquisition first texture area 12 and second texture area 13 everywhere.
Wherein, it should be noted that water flowing solution and methane are to generate gas hydrates, and aqueous solution can have
Any composition, certainly, methane can also be replaced with other gases that can generate gas hydrates with aqueous solution, such as second
Alkane, methane and mixed gas of ethane etc..In addition, temperature in the first texture area 12 and the second texture area 13, pressure data are adopted
Since collection can continue injecting drilling fluid to the hydrate in the first texture area 12 and the second texture area 13 to decompose completely.In number
When according to acquisition, the required time can be decomposed completely according to hydrate to formulate the time point of each data acquisition.
Specifically, for the generation of hydrate in the first texture area 12 and the second texture area 13, one kind according to the present invention
Embodiment, the step S1 include:
S11, the etching glass slide glass 10 is placed vertically, make first texture area 12 in upper, second texture area
13 under, injects aqueous solution into second texture area 13 from second liquid injection port 132, until aqueous solution is full of described more
A second lines;
S12, from first pouring orifice 123 slow oiling into first texture area 12, until oil is full of described more
A first lines and the intermediate flow channel 11, and in the edge of close second texture area 13 of the intermediate flow channel 11 and institute
The aqueous solution stated in the second texture area 13 forms line of demarcation;
S13, methane gas is injected into first texture area 12 from first gas injection port 121, until methane gas
The line of demarcation is contacted on a large scale, and the temperature for then controlling the etching glass slide glass 10 reaches second texture at this time
Hydrate phase balance condition under 13 pressure condition of area, and remain unchanged the temperature and pressure;
Hydrate at S14, the observation line of demarcation generates situation, until the hydrate completely plugged described second generated
Behind the port of lines being connected with the intermediate flow channel 11, from second gas injection port 131 into second texture area 13
Methane gas is injected, until generating hydrate completely in the multiple second lines;
S15, the overturning etching glass slide glass 10, make first texture area 12 under, from first liquid injection port 122
Inject aqueous solution into first texture area 12, by the multiple first lines oil from it is described first opening 111 and/or
Second opening, 112 displacements are gone out, until aqueous solution is full of the multiple first lines;
S16, methane gas is injected into first texture area 12 from first gas injection port 121, until the multiple
Hydrate is generated completely in first lines.
It should be noted that oil used among the above can be the oil with any composition, such as it can be white oil.It carves
The control of temperature for losing glass slide 10 can realize by water-bath, the pressure in the first texture area 12 and the second texture area 13
It can be adjusted by the size of the gas flow of control injection.In addition, it is well known by those skilled in the art that in certain temperature range
Interior, each temperature value is corresponding with the corresponding pressure value for making hydrate phase balance.
After the completion of above-mentioned steps S11-S16, it is also filled with oil in intermediate flow channel 11, therefore in this case, is recycling
It needs first to drive away the oil in intermediate flow channel 11 before drilling fluid.The step S3 includes: from first opening 111 to described
Drilling fluid is injected in intermediate flow channel 11, until the oil in the intermediate flow channel 11 is all gone out from second opening, 112 displacements
It goes, then makes the drilling fluid in 11 internal circulation flow of intermediate flow channel.Wherein, the oil that displacement is gone out can pass through recovery unit
It is recycled.
In the above scheme, the present invention is equal by combining the immiscible theoretical and hydrate of microflow control technique, grease
Weighing apparatus feature, when microcosmic Simulation mud filtrate invasion hydrate reservoir between reservoir-pit shaft coupled heat and mass transfer process, realize well
Cylinder and hydrate reservoir intersection be mutually indepedent when initial, circulating fluid when interconnected function divide close to actual condition
Analysis result can provide foundation, and high reliablity for practical exploitation.Wherein, microflow control technique be one kind be widely used in biology,
The technology for being precisely controlled, observing fluid flowing of chemistry subject, the present invention is by being introduced into geological and mineral field, to help dividing
The flowing of stratum internal structure and multiphase flow between pore throat is analysed, is realized mutually only when pit shaft and initial hydrate reservoir intersection
Interconnected simulation and observation when vertical, circulating fluid.
Since the parameters such as the shear viscosity of drilling fluid, composition, flow velocity, temperature, pressure, rheological characteristic are all to influence drilling fluid to invade
An important factor for entering reservoir velocities and promoting decomposition of hydrate speed in reservoir.Therefore, the drilling fluid of different parameters is understood in depth
In heat and mass rule between hydrate reservoir and pit shaft in cyclic process, while obtaining that there is appropriate shear viscosity, composition, stream
The drilling fluid of speed, temperature, pressure, rheological characteristic can be conducive to prediction, the risk that control accident occurs.Therefore, of the invention described
Method may additionally include the step S2 before according to specific shear viscosity, composition, flow velocity, temperature, pressure, the ginseng of rheological characteristic
Number prepares the drilling fluid, that is, the parameters by changing drilling fluid, repeats the step S1-S3, is bored
Well liquid temperature of hydrate, pressure data in the first texture area 12 and the second texture area 13 under the conditions of different parameters.
In addition, the step S3 may include the electrical impedance acquired in first texture area 12 and second texture area 13
Data and image information.
It may also include forecooling fluid (liquid injection port entry/exit, the gas injection by injecting constant flow rate in the step S14 and S16
Mouthful go out/into) mode calculate corresponding first texture area 12 and the second texture area 13 under the conditions of different hydrate concentrations
Permeability.
To sum up, the method described in the present invention may include three parts: first part is the generation of hydrate, and second part is
Hydrate reservoir-pit shaft coupled heat and mass transfer under simulation loop drilling fluid operating condition, Part III are the above-mentioned heat and mass of acquisition
The data and image information of various time points in the process.To analyze drilling fluid hydrate reservoir-well under the conditions of different parameters
The microcosmic mechanism and rule of cylinder coupled heat and mass transfer.Hydrate phase change item in reservoir when the present invention is able to reflect circulating fluid
Part decomposes that leading edge is mobile, temperature and pressure field distribution isotactic rule, for the production wind such as prevention borehole well instability, pit shaft blocking, bottom pressure be out of control
Danger provides certain theory support and construction and suggests.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of for Study In Reservoir-pit shaft coupled heat and mass transfer rule device, which is characterized in that including etching glass slide glass
(10), define the etched area of all round closure in the etching glass slide glass (10), the etched area include intermediate flow channel (11),
Positioned at the side of the intermediate flow channel (11) the first texture area (12) and be located at the other side of the intermediate flow channel (11)
Second texture area (13), first texture area (12) is interior to be provided with multiple first lines being connected, second texture area
(13) multiple second lines being connected are provided in, first texture area (12) passes through first lines and the centre
Runner (11) connection, second texture area (13) are connected to by second lines with the intermediate flow channel (11);
The both ends of the intermediate flow channel (11) are respectively arranged with the first opening (111) and the second opening (112), the etching glass
The first gas injection port (121) being connected to first lines and the first liquid injection port (122), the etching are provided on slide glass (10)
The second gas injection port (131) being connected to second lines and the second liquid injection port (132) are provided on glass slide (10).
2. the apparatus according to claim 1, which is characterized in that
The irregular distribution in first texture area (12) of the multiple first lines, the multiple second lines is described the
Irregular distribution in two texture areas (13);And/or
The etched area is diamond shape, and diagonal of the intermediate flow channel (11) along the etched area is extended.
3. the apparatus according to claim 1, which is characterized in that be provided on the etching glass slide glass (10) and described
The first pouring orifice (123) of one lines connection and the second pouring orifice (133) being connected to second lines.
4. device according to claim 3, which is characterized in that first gas injection port (121), first liquid injection port
(122) and first pouring orifice (123) be respectively positioned on first texture area (12) away from second texture area (13)
Side;Second gas injection port (131), second liquid injection port (132) and second pouring orifice (133) are respectively positioned on described
The side away from first texture area (12) of two texture areas (13).
5. device described in any one of -4 according to claim 1, which is characterized in that described device includes acquisition unit, institute
Acquisition unit is stated for acquiring the interior temperature everywhere of first texture area (12) and second texture area (13), number pressure
According to, it is preferable that the acquisition unit can also acquire the electricity in first texture area (12) and second texture area (13)
Impedance data and image information.
6. device according to claim 3 or 4, which is characterized in that described device includes and first gas injection port (121)
The air injection unit and first liquid injection port (122) and second liquid injection port being connected to second gas injection port (131)
(132) the fluid injection unit being connected to, the oiling unit being connected to first pouring orifice (123) and second pouring orifice (133)
And the circulation of drilling fluid unit being connected to first opening (111) and second opening (112).
7. device according to claim 6, which is characterized in that described device includes and first opening (111) and institute
State the recovery unit of the second opening (112) connection.
8. a kind of for Study In Reservoir-pit shaft coupled heat and mass transfer rule method, which is characterized in that the method uses right
It is required that device described in 1, the described method comprises the following steps:
S1, it is passed through aqueous solution and methane gas into first texture area (12), made completely raw in the multiple first lines
At hydrate, it is passed through aqueous solution and methane gas into second texture area (13), is made in the multiple second lines completely
Generate hydrate;
S2, drilling fluid is injected into the intermediate flow channel (11), and keep the drilling fluid (111) and described through first opening
Second opening (112) is in the intermediate flow channel (11) internal circulation flow;
Temperature, pressure data in S3, acquisition first texture area (12) and second texture area (13) everywhere.
9. according to the method described in claim 8, it is characterized in that, being provided on the etching glass slide glass (10) and described
The first pouring orifice (123) of one lines connection and the second pouring orifice (133) being connected to second lines, the step S1 packet
It includes:
S11, the etching glass slide glass (10) is placed vertically, make first texture area (12) in upper, second texture area
(13) interior from second liquid injection port (132) to second texture area (13) to inject aqueous solution under, until aqueous solution is full of
The multiple second lines;
S12, from first pouring orifice (123) slow oiling into first texture area (12), until oil is full of described more
A first lines and the intermediate flow channel (11), and on the side close to second texture area (13) of the intermediate flow channel (11)
Aqueous solution in edge and second texture area (13) forms line of demarcation;
S13, the interior injection methane gas from first gas injection port (121) to first texture area (12), until methane gas
The line of demarcation is contacted on a large scale, and the temperature for then controlling the etching glass slide glass (10) reaches second line at this time
The hydrate phase balance condition under area (13) pressure condition is managed, and remains unchanged the temperature and pressure;
Hydrate at S14, the observation line of demarcation generates situation, until completely plugged second lines of hydrate generated
The port being connected with the intermediate flow channel (11) after, from second gas injection port (131) to second texture area (13)
Interior injection methane gas, until generating hydrate completely in the multiple second lines;
S15, the overturning etching glass slide glass (10), make first texture area (12) under, from first liquid injection port
(122) aqueous solution is injected into first texture area (12), and the oil in the multiple first lines is open from described first
(111) and/or described second opening (112) displacement is gone out, until aqueous solution is full of the multiple first lines;
S16, the interior injection methane gas from first gas injection port (121) to first texture area (12), until the multiple
Hydrate is generated completely in first lines,
The step S3 includes: that drilling fluid is injected into the intermediate flow channel (11) at first opening (111), until will
Oil in the intermediate flow channel (11) is all gone out from described second opening (112) displacement, then makes the drilling fluid described
Intermediate flow channel (11) internal circulation flow.
10. method according to claim 8 or claim 9, which is characterized in that the method includes before the step S2 according to
Specific shear viscosity, composition, flow velocity, pressure, the parameter of rheological characteristic prepare the drilling fluid, and/or
The step S3 include acquire electrical impedance data in first texture area (12) and second texture area (13) with
And image information.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810866844.2A CN109252857B (en) | 2018-08-01 | 2018-08-01 | Device and method for researching reservoir-shaft coupling heat and mass transfer law |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810866844.2A CN109252857B (en) | 2018-08-01 | 2018-08-01 | Device and method for researching reservoir-shaft coupling heat and mass transfer law |
Publications (2)
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