CN114458285A - Automatic metering device for fluid in tight sandstone infiltration experiment and using method thereof - Google Patents
Automatic metering device for fluid in tight sandstone infiltration experiment and using method thereof Download PDFInfo
- Publication number
- CN114458285A CN114458285A CN202110105546.3A CN202110105546A CN114458285A CN 114458285 A CN114458285 A CN 114458285A CN 202110105546 A CN202110105546 A CN 202110105546A CN 114458285 A CN114458285 A CN 114458285A
- Authority
- CN
- China
- Prior art keywords
- drying bottle
- outlet
- inlet
- pipe
- inlet pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002474 experimental method Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000012530 fluid Substances 0.000 title claims abstract description 18
- 230000008595 infiltration Effects 0.000 title claims abstract description 17
- 238000001764 infiltration Methods 0.000 title claims abstract description 17
- 238000001035 drying Methods 0.000 claims description 167
- 238000007789 sealing Methods 0.000 claims description 38
- 238000005303 weighing Methods 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 7
- 239000002274 desiccant Substances 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Drying Of Solid Materials (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides an automatic metering device for fluid in a compact sandstone phase infiltration experiment and a using method thereof. The device senses the tiny pressure of gas at the outlet of the core holder by a tiny pressure sensor, the tiny pressure is amplified through signals to drive a metering pump, the air pump pumps when the pressure is increased, the pressure is reduced when the pump pumps, the pump is stopped, stable closed-loop control is formed between the tiny pressure sensor and the metering pump, high-precision metering is realized, and the metering resolution can reach 0.1 ml.
Description
Technical Field
The invention relates to the technical field of oilfield fluid experiments, in particular to an automatic metering device for compact sandstone infiltration experiment fluid and a using method thereof.
Background
The gas-water relative permeability curve obtained by the tight sandstone gas-phase permeability experiment can quantitatively evaluate the exploitation effect of a water-producing gas well, and an effective means for quantitatively evaluating the productivity, the yield, the final accumulated gas production rate and the recovery rate of the water-producing gas well is realized, when the tight sandstone gas-phase permeability experiment is actually developed, firstly, the measured liquid is very little, and part of the liquid is adhered to a glass tube, so that a system error is brought to measurement, and various existing measuring devices in the market are difficult to be competent; some think about with the method of drier adsorbed moisture, then with balance weighing, but discovery balance weighing drying bottle can't be online in the actual operation process, has the pipeline to involve and weighs inaccurate, can only artificially regularly unload to put on the balance and weigh, then returns to the system and continues the operation, and the repeated dismantlement is many times, online, off-line operation, like this intangible increase a large amount of work load, bring the metering error simultaneously.
Disclosure of Invention
The invention overcomes the defects in the prior art, and provides an automatic metering device for compact sandstone infiltration experiment fluid and a using method thereof, aiming at the problems that the amount of liquid phase of unconventional low-permeability core gas-water phase infiltration and various gas-liquid displacement is very small, and the metering error caused by a small amount of liquid drops splashed and adhered to a glass tube and even trace moisture contained in gas is not allowed. The metering resolution can reach 0.1 ml.
The purpose of the invention is realized by the following technical scheme.
An automatic fluid metering device for a dense sandstone infiltration experiment comprises a bottom plate, a balance, a micro-pressure sensor, a gas metering pump and a data acquisition system,
the device comprises a base plate, a balance, a gas metering pump, a pipeline fixing frame, a drying bottle inlet pipe, a drying bottle outlet pipe, a drying bottle, a through hole, a drying bottle inlet pipe, a drying bottle outlet pipe, an inlet end, an outlet end, an inlet hose and an outlet hose, wherein the balance is arranged on the upper surface of the base plate, a left upright and a right upright are respectively fixed on the base plate on two sides of the balance, the head end of the left upright is connected with the head end of the right upright through a cross beam, the gas metering pump is arranged on the cross beam, the pipeline fixing frame is arranged between the left upright and the right upright below the cross beam and adopts a U-shaped structure, the middle part of the U-shaped structure of the pipeline fixing frame is provided with the drying bottle inlet pipe and the drying bottle outlet pipe, a drying bottle is arranged under the drying bottle inlet pipe and the drying bottle outlet pipe, the drying bottle is provided with a through hole, the inlet end of the drying bottle inlet pipe and the inlet hose are respectively arranged opposite to the through hole, the outlet end of the drying bottle inlet pipe is communicated with the inlet hose, the outlet end of the outlet pipe of the drying bottle extends into the inlet end of the buffer air chamber, the outlet end of the buffer air chamber is respectively provided with a micro-pressure sensor pressure-leading pipe and a gas metering pump inlet pipe, the buffer air chamber is connected with the micro-pressure sensor through the micro-pressure sensor pressure-leading pipe, the buffer air chamber is connected with the gas metering pump through the gas metering pump inlet pipe, and the data acquisition output end of the balance, the micro-pressure sensor and the gas metering pump is respectively connected with the data acquisition input end of the data acquisition system.
The utility model discloses a drying bottle, including right stand, Y stand, X axle arm, manipulator, Y axle arm slidable mounting has X axle arm, and X axle arm can remove along the horizontal direction the manipulator is installed to the expansion end of X axle arm, and the manipulator is used for snatching the drying bottle to the realization is snatched the drying bottle and is upwards inserted drying bottle import pipe and drying bottle outlet pipe, perhaps drags down and breaks away from drying bottle import pipe and drying bottle outlet pipe, arranges the purpose on the balance in.
The pipeline fixing frame is provided with a first pinch valve and a second pinch valve, the first pinch valve is installed in the middle of the U-shaped structure of the pipeline fixing frame and used for fixing the positions of the inlet pipe and the outlet pipe of the drying bottle on the pipeline fixing frame, and the second pinch valve is used for fixing the position of the inlet hose on the pipeline fixing frame.
The drying bottle is characterized in that an inlet self-sealing cap and an outlet self-sealing cap are respectively arranged on the through holes of the drying bottle, central holes are formed in the inlet self-sealing cap and the outlet self-sealing cap, the central hole of the inlet self-sealing cap is opposite to the inlet pipe of the drying bottle, and the central hole of the outlet self-sealing cap is opposite to the outlet pipe of the drying bottle.
The inlet end of the buffer air chamber is provided with an air chamber lower plug, the outlet end of the drying bottle outlet pipe penetrates through the air chamber lower plug and extends into the buffer air chamber, the outlet end of the buffer air chamber is provided with an air chamber upper plug, and the micro-pressure sensor pressure guiding pipe and the gas metering pump inlet pipe are both inserted on the air chamber upper plug.
A use method of an automatic fluid metering device for a compact sandstone infiltration experiment is carried out according to the following steps:
step 1, before an experiment begins, a drying agent is filled in a drying bottle and is arranged on an automatic metering device, namely an inlet self-sealing cap and an outlet self-sealing cap of the drying bottle are respectively aligned with an inlet pipe and an outlet pipe of the drying bottle, and then the drying bottle is lifted until the inlet pipe and the outlet pipe of the drying bottle are respectively inserted into central holes of the inlet self-sealing cap and the outlet self-sealing cap, wherein the central holes are positioning reference starting points of a mechanical arm;
and 3, in the whole experiment process, measuring the gas flow at the outlet of the core holder, wherein the measuring process is as follows: when the drying bottle is communicated with the inlet pipe and the outlet pipe of the drying bottle, the second pinch valve is opened, the gas enters the drying bottle through the inlet hose, the inlet pipe of the drying bottle and the inlet self-sealing cap, the desiccant in the drying bottle absorbs the moisture in the gas at the outlet, the dried gas enters the buffer air chamber through the outlet self-sealing cap and the outlet pipe of the drying bottle, the dried gas is respectively led to the micro-pressure sensor and the gas metering pump through the upper plug of the air chamber, the micro-pressure sensor pressure leading pipe and the inlet pipe of the gas metering pump, the gas enters the drying bottle and the buffer air chamber, the micro-pressure sensor senses a pressure signal and transmits the pressure signal to the data acquisition system through amplification processing, the data acquisition system sends an instruction to start the gas metering pump, the pressure is reduced when pumping, the pressure is reduced when stopping, the micro-pressure sensor, the data acquisition system and the gas metering pump form a stable closed-loop control system, and can accurately control the pressure to be stable, the gas metering pump sends accurate pulse to the data acquisition system for control, and the pumping is metering.
In order to prevent the air water at the core outlet from still entering air during the off-line weighing stage of the drying bottle, so that the air or water is lost and the metering is leaked, when the drying bottle is separated from the inlet pipe and the outlet of the drying bottle, the inlet hose is switched off by the first pinch valve, and the drying bottle is released during on-line operation.
And (3) online operation: the water-containing gas at the outlet of the core holder is connected into the metering device through the inlet hose, the metering device works according to the inlet pipe and the outlet of the drying bottle, and the core holder is off-line weighed: the bottle was removed from the bottle inlet tube and bottle outlet and weighed on a balance. In the actual experiment process, the gas production and water production data of each stage of the whole experiment need to be obtained, and the two states of online operation and offline weighing need to be continuously and regularly replaced.
The invention has the beneficial effects that: the system is additionally provided with high-precision gas metering, a high-precision micro-pressure sensor is configured, the micro-pressure sensor senses the micro pressure of gas at the outlet of the core holder, the metering pump is driven through signal amplification processing, the gas pump pumps when the pressure is increased, the pressure is reduced when the pumping is performed, the pump is stopped, and stable closed-loop control is formed between the micro-pressure sensor and the metering pump, so that the high-precision metering is realized. The metering resolution can reach 0.1 ml.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic elevation view of the present invention;
FIG. 3 is a schematic side view of the present invention;
in the figure: the device comprises a base plate 1, a balance 2, a drying bottle 3, a manipulator 4, a self-sealing cap at an outlet 5, a self-sealing cap at an inlet 6, a left upright post 7, a first pinch valve 8, an inlet hose 9, a second pinch valve 10, a lower plug of an air chamber 11, a buffer air chamber 12, an upper plug of the air chamber 13, a micropressure sensor 14, a micropressure sensor pressure-drawing tube 15, a gas metering pump inlet tube 16, a drying bottle inlet tube 17, a drying bottle outlet tube 18, a gas metering pump 19, a beam 20, a right upright post 21, a pipeline fixing frame 22, a Y-axis mechanical arm 23, an X-axis mechanical arm 24 and a data acquisition system 25.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples.
Example one
An automatic fluid metering device for a dense sandstone infiltration experiment comprises a bottom plate 1, a balance 2, a micro-pressure sensor 14, a gas metering pump 19 and a data acquisition system 25,
the balance 2 is arranged on the upper surface of the bottom plate 1, a left upright post 7 and a right upright post 21 are respectively fixed on the bottom plate 1 at two sides of the balance 2, the head end of the left upright post 7 is connected with the head end of the right upright post 21 through a cross beam 20, a gas metering pump 19 is arranged on the cross beam 20, a pipeline fixing frame 22 is arranged between the left upright post 7 and the right upright post 21 below the cross beam 20, the pipeline fixing frame 22 adopts a U-shaped structure, a drying bottle inlet pipe 17 and a drying bottle outlet pipe 18 are arranged in the middle of the U-shaped structure of the pipeline fixing frame 22, a drying bottle 3 is arranged right below the drying bottle inlet pipe 17 and the drying bottle outlet pipe 18, through holes are arranged on the drying bottle 3, the inlet end of the drying bottle inlet pipe 17 and the inlet end of the drying bottle outlet pipe 18 are respectively arranged opposite to the through holes, the outlet end of the drying bottle inlet pipe 17 is communicated with the inlet end of the inlet hose 9, the outlet end of the drying bottle outlet pipe 18 extends into the inlet end of the buffer air chamber 12, the outlet end of the buffer air chamber 12 is respectively provided with a micro-pressure sensor pressure leading pipe 15 and a gas metering pump inlet pipe 16, the buffer air chamber 12 is connected with the micro-pressure sensor 14 through the micro-pressure sensor pressure leading pipe 15, the buffer air chamber 12 is connected with the gas metering pump 19 through the gas metering pump inlet pipe 16, and the data acquisition output ends of the balance 2, the micro-pressure sensor 14 and the gas metering pump 19 are respectively connected with the data acquisition input end of the data acquisition system 25.
Example two
On the basis of the first embodiment, a Y-axis mechanical arm 23 is further installed in the middle of the right upright post 21, the Y-axis mechanical arm 23 can move in the vertical direction, an X-axis mechanical arm 24 is installed in the Y-axis mechanical arm 23 in a sliding manner, the X-axis mechanical arm 24 can move in the horizontal direction, a mechanical arm 4 is installed at the movable end of the X-axis mechanical arm 24, and the mechanical arm 4 is used for grabbing the drying bottle 3 to achieve the purpose that the drying bottle 3 is grabbed and inserted into the drying bottle inlet pipe 17 and the drying bottle outlet pipe 18 upwards or pulled downwards to be separated from the drying bottle inlet pipe 17 and the drying bottle outlet pipe 18 and placed on a balance.
A first pinch valve 8 and a second pinch valve 10 are arranged on the pipeline fixing frame 22, the first pinch valve 8 is arranged in the middle of the U-shaped structure of the pipeline fixing frame 22 and used for fixing the positions of the drying bottle inlet pipe 17 and the drying bottle outlet pipe 18 on the pipeline fixing frame 22, and the second pinch valve 10 is used for fixing the position of the inlet hose 9 on the pipeline fixing frame 22.
EXAMPLE III
On the basis of the second embodiment, the through holes of the drying bottle 3 are respectively provided with an inlet self-sealing cap 6 and an outlet self-sealing cap 5, the inlet self-sealing cap 6 and the outlet self-sealing cap 5 are provided with central holes, the central hole of the inlet self-sealing cap 6 is arranged opposite to the drying bottle inlet pipe 17, and the central hole of the outlet self-sealing cap 5 is arranged opposite to the drying bottle outlet pipe 18.
An air chamber lower plug 11 is arranged at the inlet end of the buffer air chamber 12, the outlet end of the drying bottle outlet pipe 18 penetrates through the air chamber lower plug 11 and extends into the buffer air chamber 12, an air chamber upper plug 13 is arranged at the outlet end of the buffer air chamber 12, and the micro-pressure sensor pressure-leading pipe 14 and the gas metering pump inlet pipe 16 are both inserted into the air chamber upper plug 13.
Example four
A use method of an automatic fluid metering device for a compact sandstone infiltration experiment is carried out according to the following steps:
step 1, before an experiment begins, a drying agent is filled in a drying bottle and is arranged on an automatic metering device, namely an inlet self-sealing cap and an outlet self-sealing cap of the drying bottle are respectively aligned with an inlet pipe and an outlet pipe of the drying bottle, and then the drying bottle is lifted until the inlet pipe and the outlet pipe of the drying bottle are respectively inserted into central holes of the inlet self-sealing cap and the outlet self-sealing cap, wherein the central holes are positioning reference starting points of a mechanical arm;
and 3, in the whole experiment process, measuring the gas flow at the outlet of the core holder, wherein the measuring process is as follows: when the drying bottle is communicated with the inlet pipe and the outlet pipe of the drying bottle, the second pinch valve is opened, the gas enters the drying bottle through the inlet hose, the inlet pipe of the drying bottle and the inlet self-sealing cap, the desiccant in the drying bottle absorbs the moisture in the gas at the outlet, the dried gas enters the buffer air chamber through the outlet self-sealing cap and the outlet pipe of the drying bottle, the dried gas is respectively led to the micro-pressure sensor and the gas metering pump through the upper plug of the air chamber, the micro-pressure sensor pressure leading pipe and the inlet pipe of the gas metering pump, the gas enters the drying bottle and the buffer air chamber, the micro-pressure sensor senses a pressure signal and transmits the pressure signal to the data acquisition system through amplification processing, the data acquisition system sends an instruction to start the gas metering pump, the pressure is reduced when pumping, the pressure is reduced when stopping, the micro-pressure sensor, the data acquisition system and the gas metering pump form a stable closed-loop control system, and can accurately control the pressure to be stable, the gas metering pump sends accurate pulse to the data acquisition system for control, and the pumping is metering.
In order to prevent the air water at the core outlet from still entering air during the off-line weighing stage of the drying bottle, so that the air or water is lost and the metering is leaked, when the drying bottle is separated from the inlet pipe and the outlet of the drying bottle, the inlet hose is switched off by the first pinch valve, and the drying bottle is released during on-line operation.
And (3) online operation: the water-containing gas at the outlet of the core holder is connected into the metering device through the inlet hose, the metering device works according to the inlet pipe and the outlet of the drying bottle, and the core holder is off-line weighed: the bottle was removed from the bottle inlet tube and bottle outlet and weighed on a balance. In the actual experiment process, the gas production and water production data of each stage of the whole experiment need to be obtained, and the two states of online operation and offline weighing need to be continuously and regularly replaced.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and is not to be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. The utility model provides a tight sandstone ooze experiment fluid automatic metering device which characterized in that: comprises a bottom plate, a balance, a micro-pressure sensor, a gas metering pump and a data acquisition system,
the device comprises a base plate, a balance, a gas metering pump, a pipeline fixing frame, a drying bottle inlet pipe, a drying bottle outlet pipe, a drying bottle, a through hole, a drying bottle inlet pipe, a drying bottle outlet pipe, an inlet end, an outlet end, an inlet hose and an outlet hose, wherein the balance is arranged on the upper surface of the base plate, a left upright and a right upright are respectively fixed on the base plate on two sides of the balance, the head end of the left upright is connected with the head end of the right upright through a cross beam, the gas metering pump is arranged on the cross beam, the pipeline fixing frame is arranged between the left upright and the right upright below the cross beam and adopts a U-shaped structure, the middle part of the U-shaped structure of the pipeline fixing frame is provided with the drying bottle inlet pipe and the drying bottle outlet pipe, a drying bottle is arranged under the drying bottle inlet pipe and the drying bottle outlet pipe, the drying bottle is provided with a through hole, the inlet end of the drying bottle inlet pipe and the inlet hose are respectively arranged opposite to the through hole, the outlet end of the drying bottle inlet pipe is communicated with the inlet hose, the outlet end of the outlet pipe of the drying bottle extends into the inlet end of the buffer air chamber, the outlet end of the buffer air chamber is respectively provided with a micro-pressure sensor pressure-leading pipe and a gas metering pump inlet pipe, the buffer air chamber is connected with the micro-pressure sensor through the micro-pressure sensor pressure-leading pipe, the buffer air chamber is connected with the gas metering pump through the gas metering pump inlet pipe, and the data acquisition output end of the balance, the micro-pressure sensor and the gas metering pump is respectively connected with the data acquisition input end of the data acquisition system.
2. The automatic metering device for the fluid in the tight sandstone infiltration experiment according to claim 1, wherein: the utility model discloses a drying bottle, including right stand, Y stand, X axle arm, manipulator, Y axle arm slidable mounting has X axle arm, and X axle arm can remove along the horizontal direction the manipulator is installed to the expansion end of X axle arm, and the manipulator is used for snatching the drying bottle to the realization is snatched the drying bottle and is upwards inserted drying bottle import pipe and drying bottle outlet pipe, perhaps drags down and breaks away from drying bottle import pipe and drying bottle outlet pipe, arranges the purpose on the balance in.
3. The automatic metering device for the fluid in the tight sandstone infiltration experiment according to claim 1, wherein: the pipeline fixing frame is provided with a first pinch valve and a second pinch valve, the first pinch valve is installed in the middle of the U-shaped structure of the pipeline fixing frame and used for fixing the positions of the inlet pipe and the outlet pipe of the drying bottle on the pipeline fixing frame, and the second pinch valve is used for fixing the position of the inlet hose on the pipeline fixing frame.
4. The automatic metering device for the fluid in the tight sandstone infiltration experiment according to claim 1, wherein: the drying bottle is characterized in that an inlet self-sealing cap and an outlet self-sealing cap are respectively arranged on the through holes of the drying bottle, central holes are formed in the inlet self-sealing cap and the outlet self-sealing cap, the central hole of the inlet self-sealing cap is opposite to the inlet pipe of the drying bottle, and the central hole of the outlet self-sealing cap is opposite to the outlet pipe of the drying bottle.
5. The automatic metering device for the fluid in the tight sandstone infiltration experiment according to claim 1, wherein: the inlet end of the buffer air chamber is provided with an air chamber lower plug, the outlet end of the drying bottle outlet pipe penetrates through the air chamber lower plug and extends into the buffer air chamber, the outlet end of the buffer air chamber is provided with an air chamber upper plug, and the micro-pressure sensor pressure guiding pipe and the gas metering pump inlet pipe are both inserted on the air chamber upper plug.
6. The use method of the automatic fluid metering device for the tight sandstone infiltration experiment is characterized by comprising the following steps of: the method comprises the following steps:
step 1, before an experiment begins, a drying agent is filled in a drying bottle and is arranged on an automatic metering device, namely an inlet self-sealing cap and an outlet self-sealing cap of the drying bottle are respectively aligned with an inlet pipe and an outlet pipe of the drying bottle, and then the drying bottle is lifted until the inlet pipe and the outlet pipe of the drying bottle are respectively inserted into central holes of the inlet self-sealing cap and the outlet self-sealing cap, wherein the central holes are positioning reference starting points of a mechanical arm;
step 2, when the experiment starts, the mechanical arm grabs the drying bottle and pulls the drying bottle to be separated from the drying bottle inlet pipe and the drying bottle outlet pipe, the drying bottle is placed on a weighing disc of a balance to be weighed, the data acquisition system acquires and records the initial weight value, then the mechanical arm grabs the drying bottle to be connected into the drying bottle inlet pipe and the drying bottle outlet pipe, the online operation state is entered, the specified time interval is waited, the mechanical arm grabs the drying bottle again and pulls the drying bottle to be separated from the drying bottle inlet pipe and the drying bottle outlet pipe, the drying bottle is placed on the balance to be weighed, the data acquisition system acquires and records data, and the process is repeated until the experiment process is finished;
and 3, in the whole experiment process, measuring the gas flow at the outlet of the core holder, wherein the measuring process is as follows: when the drying bottle is communicated with the inlet pipe and the outlet pipe of the drying bottle, the second pinch valve is opened, the gas enters the drying bottle through the inlet hose, the inlet pipe of the drying bottle and the inlet self-sealing cap, the desiccant in the drying bottle absorbs the moisture in the gas at the outlet, the dried gas enters the buffer air chamber through the outlet self-sealing cap and the outlet pipe of the drying bottle, the dried gas is respectively led to the micro-pressure sensor and the gas metering pump through the upper plug of the air chamber, the micro-pressure sensor pressure leading pipe and the inlet pipe of the gas metering pump, the gas enters the drying bottle and the buffer air chamber, the micro-pressure sensor senses a pressure signal and transmits the pressure signal to the data acquisition system through amplification processing, the data acquisition system sends an instruction to start the gas metering pump, the pressure is reduced when pumping, the pressure is reduced when stopping, the micro-pressure sensor, the data acquisition system and the gas metering pump form a stable closed-loop control system, and can accurately control the pressure to be stable, the gas metering pump sends accurate pulse to the data acquisition system for control, and the pumping is metering.
7. The use method of the automatic dense sandstone infiltration experiment fluid metering device according to claim 6, wherein the automatic dense sandstone infiltration experiment fluid metering device comprises the following steps: when the drying bottle is separated from the inlet pipe and the outlet of the drying bottle, the first pinch valve shuts off the inlet hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110105546.3A CN114458285B (en) | 2021-01-26 | 2021-01-26 | Automatic metering device for tight sandstone phase seepage experimental fluid and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110105546.3A CN114458285B (en) | 2021-01-26 | 2021-01-26 | Automatic metering device for tight sandstone phase seepage experimental fluid and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114458285A true CN114458285A (en) | 2022-05-10 |
| CN114458285B CN114458285B (en) | 2024-07-30 |
Family
ID=81405678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110105546.3A Active CN114458285B (en) | 2021-01-26 | 2021-01-26 | Automatic metering device for tight sandstone phase seepage experimental fluid and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114458285B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03161608A (en) * | 1989-11-20 | 1991-07-11 | Oyo Corp | Measuring device for multistage type boring-pit inside pressure |
| DE19962303A1 (en) * | 1999-12-23 | 2001-07-12 | Gebele Thomas | Method for determining the barrier property of a container for all gases |
| CN103233725A (en) * | 2013-04-17 | 2013-08-07 | 西南石油大学 | Device and method for determining high temperature and high pressure full diameter core mud pollution evaluation |
| CN103558137A (en) * | 2013-11-21 | 2014-02-05 | 中国科学院武汉岩土力学研究所 | Device for measuring gas-water two-phase relative permeability of porous medium |
| CN104359819A (en) * | 2014-11-10 | 2015-02-18 | 中国石油天然气股份有限公司 | Device and method for measuring gas-water relative permeability of low-permeability compact rock core |
| US20150354352A1 (en) * | 2013-09-03 | 2015-12-10 | Halliburton Energy Services Inc. | Methods and systems for evaluation of rock permeability, porosity, and fluid composition |
| RU2660772C1 (en) * | 2017-08-01 | 2018-07-10 | Общество с ограниченной ответственностью "ТЕХ-ИНТЕНСИВ" | Device for permeability phase determination and related saturations of samples of mineral rocks |
| CN208283230U (en) * | 2018-05-10 | 2018-12-25 | 西南石油大学 | It is a kind of for measuring the device of compact rock core air water two-phase relative permeability |
| CN109357976A (en) * | 2018-10-25 | 2019-02-19 | 中国海洋石油集团有限公司 | A kind of multiphase flow automatic collection metering system |
| CN109826621A (en) * | 2019-01-17 | 2019-05-31 | 西安科技大学 | A kind of coal bed gas commingling production air water two phase fluid flow experimental provision and test method |
| CN211553691U (en) * | 2019-12-05 | 2020-09-22 | 扬州华宝石油仪器有限公司 | A little metering device for hyposmosis rock core output liquid |
-
2021
- 2021-01-26 CN CN202110105546.3A patent/CN114458285B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03161608A (en) * | 1989-11-20 | 1991-07-11 | Oyo Corp | Measuring device for multistage type boring-pit inside pressure |
| DE19962303A1 (en) * | 1999-12-23 | 2001-07-12 | Gebele Thomas | Method for determining the barrier property of a container for all gases |
| CN103233725A (en) * | 2013-04-17 | 2013-08-07 | 西南石油大学 | Device and method for determining high temperature and high pressure full diameter core mud pollution evaluation |
| US20150354352A1 (en) * | 2013-09-03 | 2015-12-10 | Halliburton Energy Services Inc. | Methods and systems for evaluation of rock permeability, porosity, and fluid composition |
| CN103558137A (en) * | 2013-11-21 | 2014-02-05 | 中国科学院武汉岩土力学研究所 | Device for measuring gas-water two-phase relative permeability of porous medium |
| CN104359819A (en) * | 2014-11-10 | 2015-02-18 | 中国石油天然气股份有限公司 | Device and method for measuring gas-water relative permeability of low-permeability compact rock core |
| RU2660772C1 (en) * | 2017-08-01 | 2018-07-10 | Общество с ограниченной ответственностью "ТЕХ-ИНТЕНСИВ" | Device for permeability phase determination and related saturations of samples of mineral rocks |
| CN208283230U (en) * | 2018-05-10 | 2018-12-25 | 西南石油大学 | It is a kind of for measuring the device of compact rock core air water two-phase relative permeability |
| CN109357976A (en) * | 2018-10-25 | 2019-02-19 | 中国海洋石油集团有限公司 | A kind of multiphase flow automatic collection metering system |
| CN109826621A (en) * | 2019-01-17 | 2019-05-31 | 西安科技大学 | A kind of coal bed gas commingling production air water two phase fluid flow experimental provision and test method |
| CN211553691U (en) * | 2019-12-05 | 2020-09-22 | 扬州华宝石油仪器有限公司 | A little metering device for hyposmosis rock core output liquid |
Non-Patent Citations (3)
| Title |
|---|
| MOUSTAFA EISSA, ETC: "Production Logging Case Studies: What Can We Say about the Well, in Addition to the down Hole Flow-profile?", SOCIETY OF PETROLEUM ENGINEERS (SPE), 10 June 2010 (2010-06-10), pages 1 - 16 * |
| 王磊: "杭锦旗区块储层产水及气层有效性分析", 工程地球物理学报, vol. 17, no. 2, 31 March 2020 (2020-03-31), pages 242 - 250 * |
| 田巍等: "致密砂岩中的油气水三相渗流规律研究", 陕西科技大学学报, vol. 34, no. 5, 31 October 2016 (2016-10-31), pages 114 - 118 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114458285B (en) | 2024-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206609743U (en) | Water drive gas reservoir water enchroachment (invasion) dynamic holdup loses experiment test system | |
| CN206920290U (en) | A kind of hyposmosis tight sand stress sensitive coefficients measurement apparatus | |
| CN204314197U (en) | The spontaneous in the same way imbibition instrument of a kind of fracturing liquid | |
| CN102590016B (en) | Measurement method of soil moisture characteristic curve measurement device | |
| AU2023249688A1 (en) | Desorbed gas amount testing device and measuring method | |
| CN102121913A (en) | Detection method for foam stability in porous medium and special device thereof | |
| CN101201287A (en) | Device for testing product air leakage | |
| CN114458285A (en) | Automatic metering device for fluid in tight sandstone infiltration experiment and using method thereof | |
| US6148667A (en) | Pressure vessel isolation carriage | |
| CN205898572U (en) | Intelligent carousel formula liquefied petroleum gas cylinder hydrostatic test short -term test line | |
| CN205620174U (en) | Spot sampling robot for water quality testing | |
| CN106596316B (en) | Testing device and method for cross-sectional area of rusted steel bar | |
| CN216646552U (en) | Liquid flow rate metering device | |
| CN101900659B (en) | Device for measuring water activity by using vapor pressure | |
| CN202676719U (en) | Marking device applied to recovery detection | |
| CN208383224U (en) | A kind of cryogenic liquid tank capacity checking apparatus | |
| CN208805332U (en) | Umbrella valve air tightness detection apparatus | |
| CN218566884U (en) | Vacuum chuck underwater adsorbability detection test bench | |
| CN108554207B (en) | Low-concentration standard gas continuous generation device and generation method thereof | |
| CN201096692Y (en) | Testing device for easy measuring onsite percent content of oxygen | |
| CN2589946Y (en) | Multiple flow rate test well | |
| CN207515862U (en) | A kind of diaphragm type air spring volume testing system | |
| CN209342360U (en) | A kind of pusher thrust fatigue test board | |
| CN216208369U (en) | Liquid viscosity detection device | |
| CN217716587U (en) | Liquid quality flowmeter testing arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |