CN115218990A - Geothermal well liquid level measuring method and geothermal well liquid level measuring structure - Google Patents
Geothermal well liquid level measuring method and geothermal well liquid level measuring structure Download PDFInfo
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- CN115218990A CN115218990A CN202211011902.6A CN202211011902A CN115218990A CN 115218990 A CN115218990 A CN 115218990A CN 202211011902 A CN202211011902 A CN 202211011902A CN 115218990 A CN115218990 A CN 115218990A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/30—Geothermal collectors using underground reservoirs for accumulating working fluids or intermediate fluids
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- 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
- E21B47/04—Measuring depth or liquid level
- E21B47/047—Liquid level
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
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- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
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- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/30—Specific pattern of wells, e.g. optimising the spacing of wells
- E21B43/305—Specific pattern of wells, e.g. optimising the spacing of wells comprising at least one inclined or horizontal well
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- 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
- E21B47/06—Measuring temperature or pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/04—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by dip members, e.g. dip-sticks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T2010/50—Component parts, details or accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T2010/50—Component parts, details or accessories
- F24T2010/56—Control arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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Abstract
The invention provides a geothermal well liquid level measurement method and a geothermal well liquid level measurement structure, which comprises drilling a directional pipeline communicated with a geothermal well beside the geothermal well, wherein the communication point of the directional pipeline and the geothermal well is positioned below the liquid level of the geothermal well; sealing the wellhead of the geothermal well and the upper port of the directional pipeline; respectively monitoring and obtaining the annular pressure in the geothermal well and the annular pressure in the directional pipeline when the liquid level of the geothermal well is in a stable state; when the annular pressure in the geothermal well is equal to the annular pressure in the directional pipe, the liquid level in the geothermal well is obtained by measuring the liquid level in the directional pipe. When the liquid level of the geothermal well is measured, the directional pipeline does not influence the normal work of the measuring equipment, and the accuracy of the measured data is ensured; meanwhile, the ground air cannot enter the geothermal well, so that equipment corrosion and water pollution are avoided. The problems of distortion of liquid level data obtained by a geothermal well liquid level measuring method in the prior art and equipment corrosion and water quality pollution caused by air entering underground are solved.
Description
Technical Field
The invention relates to the field of geothermal measurement, in particular to a geothermal well liquid level measuring method and a geothermal well liquid level measuring structure.
Background
When the geothermal well operates in a heating season, in order to prevent air or other harmful gases from entering the underground to pollute geothermal water, a common well mouth and a ground pipeline are in a sealed connection state. In the operation process of the geothermal well, the underground water level needs to be monitored frequently, and in the mode, the conventional measuring line cannot be put into the underground, and the real data of the underground water level cannot be obtained.
In order to solve the problem, the underground liquid level measurement in the prior art scheme mainly adopts two modes: 1) Installing a sound wave liquid level meter at the position of a wellhead, reflecting the sound wave liquid level meter at the underground liquid level through sound transmission, and calculating the underground liquid level through receiving the reflected sound wave; the method is usually interfered by other objects in the well, the reflected sound wave is not reflected from the liquid level, and the acquired data of the liquid level are usually distorted. 2) A small hole is formed in the position of a well head, a measuring line is lowered to measure the liquid level in the well, and at the moment, the ground air enters the well and is subjected to oxidation reaction with the liquid or equipment in the well, so that the corrosion of the equipment and the pollution of the water quality are caused; in addition, due to the existence of the pumping pipe column, the phenomenon of blocking exists in the process of lowering the measuring line.
Disclosure of Invention
The invention mainly aims to provide a geothermal well liquid level measuring method and a geothermal well liquid level measuring structure, which at least solve the problems of liquid level data distortion obtained in the process of geothermal well liquid level measurement in the prior art and equipment corrosion and water quality pollution caused by air entering underground.
In order to achieve the above object, according to a first aspect of the present invention, there is provided a geothermal well liquid level measuring method, comprising: drilling a directional pipeline mutually communicated with the geothermal well beside the geothermal well, wherein the communication point of the directional pipeline and the geothermal well is positioned below the liquid level of the geothermal well; sealing the wellhead of the geothermal well and the upper port of the directional pipeline; respectively monitoring and obtaining the annular pressure in the geothermal well and the annular pressure in the directional pipe when the liquid level of the geothermal well is in a stable state; and when the annular pressure in the geothermal well is equal to the annular pressure in the directional pipe, measuring the liquid level in the directional pipe to obtain the liquid level of the geothermal well.
Further, when the annular pressure in the geothermal well is not equal to the annular pressure in the directional pipe, the geothermal well liquid level measurement method further comprises the following steps: adjusting the annular pressure in the directional pipeline through a pressure adjusting device arranged in the directional pipeline; and repeatedly monitoring and obtaining the annular pressure in the geothermal well and the annular pressure in the directional pipe until the annular pressure in the geothermal well is equal to the annular pressure in the directional pipe.
Further, when monitoring and acquiring the annular pressure in the geothermal well and the annular pressure in the directional pipe, the geothermal well liquid level measurement method further comprises the following steps: pressure gauges are respectively arranged in the geothermal well and the directional pipeline; and respectively monitoring and acquiring the annular pressure in the geothermal well and the annular pressure in the directional pipeline through a pressure gauge.
According to a second aspect of the present invention, there is provided a method of geothermal well fluid level measurement, comprising: drilling a directional pipeline communicated with the geothermal well beside the geothermal well, wherein the communication point of the directional pipeline and the geothermal well is positioned below the liquid level of the geothermal well; sealing the wellhead of the geothermal well and the upper port of the directional pipeline; the geothermal well is communicated with the part above the liquid level of the directional pipeline through a communication pipeline arranged between the geothermal well and the directional pipeline; and measuring the liquid level in the directional pipeline to obtain the liquid level of the geothermal well.
According to a third aspect of the present invention, there is provided a geothermal well liquid level measurement structure comprising: a geothermal well; the directional pipeline is arranged beside the geothermal well, and the lower end of the directional pipeline is communicated with the lower part of the liquid level of the geothermal well; and the measuring component is arranged in the directional pipeline and used for measuring the liquid level in the directional pipeline to obtain the liquid level of the geothermal well.
Further, the wellhead of the geothermal well and the upper port of the directional pipeline are sealed.
Further, geothermal well liquid level measurement structure still includes: the first pressure gauge is arranged in the geothermal well and used for monitoring and acquiring the annular pressure in the geothermal well; and the second pressure gauge is arranged in the directional pipeline and used for monitoring and acquiring the annular pressure in the directional pipeline.
Further, geothermal well liquid level measurement structure still includes: and the pressure regulating device is communicated with the directional pipeline and is respectively connected with the first pressure gauge and the second pressure gauge, and the pressure regulating device is used for regulating the annular pressure in the directional pipeline so as to enable the annular pressure in the directional pipeline to be equal to the annular pressure in the geothermal well.
Further, geothermal well liquid level measurement structure still includes: and the communication pipeline is arranged between the geothermal well and the directional pipeline and is used for communicating the parts above the liquid level of the geothermal well and the directional pipeline.
Further, the measuring part is a measuring rope.
The geothermal well liquid level measuring method comprises the steps of drilling a directional pipeline communicated with a geothermal well beside the geothermal well, wherein the communication point of the directional pipeline and the geothermal well is positioned below the liquid level of the geothermal well; sealing the wellhead of the geothermal well and the upper port of the directional pipeline; respectively monitoring and obtaining the annular pressure in the geothermal well and the annular pressure in the directional pipeline when the liquid level of the geothermal well is in a stable state; when the annular pressure in the geothermal well is equal to the annular pressure in the directional pipe, the liquid level in the geothermal well is obtained by measuring the liquid level in the directional pipe. Therefore, in the process of measuring the liquid level of the geothermal well, the directional pipeline cannot influence the normal work of the measuring equipment, and the accuracy of the measured data is ensured; meanwhile, the ground air cannot enter the geothermal well, so that equipment corrosion and water pollution are avoided. The problem of among the prior art geothermal well liquid level measurement in-process obtain liquid level data distortion and air get into and cause equipment corrosion and water pollution in the pit is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a block flow diagram of an alternative first method of geothermal well fluid level measurement according to an embodiment of the invention;
FIG. 2 is a block flow diagram of an alternative second method of geothermal well fluid level measurement according to an embodiment of the invention;
FIG. 3 is a block flow diagram of an alternative third method of geothermal well fluid level measurement according to an embodiment of the invention;
FIG. 4 is a schematic illustration of an alternative first geothermal well liquid level measurement configuration according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an alternative second geothermal well fluid level measurement configuration in accordance with an embodiment of the invention.
Wherein the figures include the following reference numerals:
10. a geothermal well; 20. orienting the pipeline; 30. a measuring part; 40. a first pressure gauge; 50. a second pressure gauge; 60. a pressure regulating device; 70. a communicating pipe; 80. a water pumping pipeline; 90. a submersible pump.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The first embodiment of the invention discloses a geothermal well liquid level measuring method, which specifically comprises the following steps as shown in figure 1:
s102: drilling a directional pipeline communicated with the geothermal well beside the geothermal well, wherein the communication point of the directional pipeline and the geothermal well is positioned below the liquid level of the geothermal well;
s104: sealing the wellhead of the geothermal well and the upper port of the directional pipeline;
s106: respectively monitoring and obtaining the annular pressure in the geothermal well and the annular pressure in the directional pipeline when the liquid level of the geothermal well is in a stable state;
s108: when the annular pressure in the geothermal well is equal to the annular pressure in the directional pipe, the liquid level in the geothermal well is obtained by measuring the liquid level in the directional pipe.
In the process of measuring the liquid level of the geothermal well, the geothermal well is communicated with the lower end of the directional pipeline to form a communicating vessel, and the directional pipeline is not provided with pipelines or other obstacles, so that the normal work of measuring equipment cannot be influenced, and the accuracy of measured data can be ensured; in addition, the liquid level is measured through the directional pipeline, so that air can be prevented from entering the geothermal well, and equipment corrosion and water quality pollution are avoided. The problem of among the prior art geothermal well liquid level measurement in-process obtain liquid level data distortion and air get into and cause equipment corrosion and water pollution in the pit is solved.
In the specific implementation process, in step S102, when the directional pipeline is drilled, the upper section of the directional pipeline is a vertical pipeline, the lower section of the directional pipeline is an arc pipeline, and the vertical pipeline is communicated with the position below the liquid level of the geothermal well through the arc pipeline. The vertical pipeline of upper segment is parallel to each other with geothermal well 10 to when guaranteeing to adopt the measuring rope to measure the liquid level, the measuring rope can smoothly visit the position of liquid level down. The directional pipeline is usually a small borehole with a small diameter, and the water level can be measured.
In step S104, the wellhead of the geothermal well and the upper port of the directional pipeline are sealed to prevent ground air from entering the geothermal well, so as to avoid oxidation reaction with downhole liquid or equipment, and to avoid equipment corrosion and water quality pollution.
In step S106, when monitoring and obtaining the annular pressure in the geothermal well and the annular pressure in the directional pipeline, respectively arranging pressure gauges in the geothermal well and the directional pipeline; and respectively monitoring and obtaining the annular pressure in the geothermal well and the annular pressure in the directional pipe through a pressure gauge.
In the process of extracting hot water from the geothermal well, the liquid level and the pressure in the geothermal well can be changed, and when the hot water is extracted to a certain degree, the liquid level of the geothermal well can be in a stable state, namely, the liquid level does not change up and down; when the annular pressure in the geothermal well is not equal to the annular pressure in the directional pipeline, in order to ensure the accuracy of the monitoring of the liquid level data, the pressure in the directional pipeline needs to be adjusted, so that the pressure in the geothermal well is balanced with the pressure in the directional pipeline. Specifically, after monitoring and acquiring the annular pressure in the geothermal well and the annular pressure in the directional pipe, if the annular pressure in the geothermal well is not balanced with the annular pressure in the directional pipe, as shown in fig. 2, the geothermal well liquid level measurement method of this embodiment further includes:
s107: adjusting the annular pressure in the directional pipeline through a pressure adjusting device arranged in the directional pipeline; and repeatedly monitoring and obtaining the annular pressure in the geothermal well and the annular pressure in the directional pipe until the annular pressure in the geothermal well is equal to the annular pressure in the directional pipe.
According to a second embodiment of the present invention, there is provided a geothermal well liquid level measuring method, as shown in fig. 3, specifically comprising the following steps:
s202: drilling a directional pipeline communicated with the geothermal well beside the geothermal well, wherein the communication point of the directional pipeline and the geothermal well is positioned below the liquid level of the geothermal well;
s204: sealing the wellhead of the geothermal well and the upper port of the directional pipeline;
s206: the geothermal well is communicated with the part above the liquid level of the directional pipeline through a communication pipeline arranged between the geothermal well and the directional pipeline; and measuring the liquid level in the directional pipeline to obtain the liquid level of the geothermal well.
The difference between the geothermal well liquid level measurement method and the geothermal well liquid level measurement method in the embodiment 1 is that the parts above the liquid levels of the geothermal well and the directional pipeline are communicated with each other through the communication pipeline, so that the internal pressure of the geothermal well and the internal pressure of the directional pipeline are equal at any time, the annular pressure in the geothermal well and the annular pressure in the directional pipeline do not need to be measured and adjusted, and the measurement process is more convenient. In the process of measuring the liquid level of the geothermal well, the geothermal well is communicated with the lower end of the directional pipeline to form a communicating vessel, and the directional pipeline is not provided with pipelines or other obstacles, so that the normal work of measuring equipment cannot be influenced, and the accuracy of measured data can be ensured; in addition, the liquid level is measured through the directional pipeline, so that air can be prevented from entering the geothermal well, and equipment corrosion and water quality pollution are avoided. The problem of among the prior art geothermal well liquid level measurement in-process obtain liquid level data distortion and air admission cause equipment corrosion and water pollution in the pit is solved.
According to a third embodiment of the present invention, there is provided a geothermal well liquid level measuring structure, as shown in fig. 4, comprising a geothermal well 10, a directional pipe 20 and a measuring member 30; the directional pipeline 20 is arranged beside the geothermal well 10, and the lower end of the directional pipeline 20 is communicated with the lower part of the liquid level of the geothermal well 10; a measuring member 30 is arranged in the directional pipe 20, the measuring member 30 being used to measure the liquid level in the directional pipe 20 to obtain the liquid level of the geothermal well 10.
The geothermal well liquid level measurement structure of this embodiment is through seting up directional pipeline 20 with geothermal well 10 intercommunication each other, and geothermal well 10 constitutes a linker with directional pipeline 20, can obtain the liquid level of geothermal well 10 through the liquid level of indirect measurement directional pipeline 20. No pipeline or other obstacles exist in the directional pipeline, so that the normal work of the measuring equipment is not influenced, and the accuracy of the measured data can be ensured; in addition, the liquid level is measured through the directional pipeline, so that air can be prevented from entering the geothermal well, and equipment corrosion and water quality pollution are avoided. The problem of among the prior art geothermal well liquid level measurement in-process obtain liquid level data distortion and air get into and cause equipment corrosion and water pollution in the pit is solved.
In the specific implementation process, a water pumping pipeline 80 is arranged in the geothermal well 10, and a submersible pump 90 is arranged at the lower end of the water pumping pipeline 80, so that hot water is continuously pumped to the ground. The wellhead of the geothermal well 10 and the upper end opening of the directional pipeline 20 are sealed, the geothermal well 10 is completely sealed, the sealing cover of the directional pipeline 20 can be opened or closed, the sealing environment in the directional pipeline 20 can be ensured when the upper end opening of the directional pipeline 20 is closed, and the measuring component 30 can be put into the geothermal well when the upper end opening of the directional pipeline 20 is opened.
In the specific implementation process, the upper section of the directional pipeline 20 is a vertical pipeline, the lower section of the directional pipeline is an arc-shaped pipeline, and the vertical pipeline is communicated with the position below the liquid level of the geothermal well 10 through the arc-shaped pipeline. The vertical pipeline of upper segment is parallel to each other with geothermal well 10 to when guaranteeing to adopt the measuring rope to measure the liquid level, the measuring rope can smoothly explore the position of liquid level down. The directional pipeline is usually a small borehole, the diameter is small, and the requirement of measuring the water level is met. The geothermal well liquid level measurement structure of this embodiment has two kinds of different structures, and first geothermal well liquid level measurement structure is because the liquid level top of geothermal well 10 and directional pipeline 20 does not communicate each other, and when extracting hot water in the geothermal well 10, the annular pressure of both inside can the deviation appear to lead to the liquid level to appear the deviation, in order to guarantee liquid level monitoring's accuracy nature, need guarantee geothermal well 10 and directional pipeline 20's annular pressure keep balance. Further, the first geothermal well liquid level measurement structure further comprises a first pressure gauge 40, a second pressure gauge 50 and a pressure regulating device 60, wherein the first pressure gauge 40 is arranged in the geothermal well 10, and the first pressure gauge 40 is used for monitoring and acquiring annular pressure in the geothermal well 10; the second pressure gauge 50 is arranged in the directional pipe 20, and the second pressure gauge 50 is used for monitoring and acquiring the annular pressure in the directional pipe 20; the pressure regulating device 60 is communicated with the directional pipeline 20 and is respectively connected with the first pressure gauge 40 and the second pressure gauge 50, and when the pressure monitored by the first pressure gauge 40 and the second pressure gauge 50 is deviated, the annular pressure in the directional pipeline 20 is regulated through the pressure regulating device 60, so that the annular pressure in the directional pipeline 20 is equal to the annular pressure in the geothermal well 10. At this moment, the accuracy of liquid level monitoring can be guaranteed.
As shown in fig. 5, the second geothermal well liquid level measuring structure includes a communication pipe 70, and the communication pipe 70 is opened between the geothermal well 10 and the directional pipe 20 and communicates the geothermal well 10 and the portion above the liquid level of the directional pipe 20 with each other. The communication pipeline 70 keeps the annular pressure of the geothermal well 10 and the directional pipeline 20 balanced all the time; the accuracy of liquid level monitoring can be ensured.
Further, when actually measuring the liquid level, the measuring component 30 may be a measuring rope, and may also be a sonic liquid level meter or other types of liquid level meters.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method of measuring a fluid level in a geothermal well, comprising:
drilling a directional pipeline communicated with the geothermal well beside the geothermal well, wherein the communication point of the directional pipeline and the geothermal well is positioned below the liquid level of the geothermal well;
sealing both the wellhead of the geothermal well and the upper port of the directional pipe;
respectively monitoring and acquiring the annular pressure in the geothermal well and the annular pressure in the directional pipe when the liquid level of the geothermal well is in a stable state;
and when the annular pressure in the geothermal well is equal to the annular pressure in the directional pipe, measuring the liquid level in the directional pipe to obtain the liquid level of the geothermal well.
2. The geothermal well liquid level measurement method of claim 1, wherein when the annular pressure within the geothermal well is not equal to the annular pressure within the directional pipe, the geothermal well liquid level measurement method further comprises:
adjusting the annular pressure in the directional pipeline through a pressure adjusting device arranged in the directional pipeline;
and repeatedly monitoring and obtaining the annular pressure in the geothermal well and the annular pressure in the directional pipe until the annular pressure in the geothermal well is equal to the annular pressure in the directional pipe.
3. The geothermal well liquid level measurement method according to claim 1, wherein in monitoring and obtaining the annular pressure in the geothermal well and the annular pressure in the directional pipe, the geothermal well liquid level measurement method further comprises:
pressure gauges are respectively arranged in the geothermal well and the directional pipeline;
and respectively monitoring and acquiring the annular pressure in the geothermal well and the annular pressure in the directional pipeline through the pressure gauge.
4. A method of measuring a fluid level in a geothermal well, comprising:
drilling a directional pipeline communicated with the geothermal well beside the geothermal well, wherein the communication point of the directional pipeline and the geothermal well is positioned below the liquid level of the geothermal well;
sealing both the wellhead of the geothermal well and the upper port of the directional pipe;
the geothermal well and the part above the liquid level of the directional pipeline are communicated with each other through a communication pipeline which is arranged between the geothermal well and the directional pipeline;
and measuring the liquid level in the directional pipeline to obtain the liquid level of the geothermal well.
5. A geothermal well liquid level measurement structure, comprising:
a geothermal well (10);
the directional pipeline (20) is arranged beside the geothermal well (10), and the lower end of the directional pipeline (20) is communicated with the position below the liquid level of the geothermal well (10);
a measuring component (30) arranged in the directional pipe (20), the measuring component (30) being used for measuring the liquid level in the directional pipe (20) to obtain the liquid level of the geothermal well (10).
6. A geothermal well liquid level measuring structure according to claim 5, characterized in that the wellhead of the geothermal well (10) and the upper port of the oriented pipe (20) are sealed.
7. The geothermal well liquid level measurement structure of claim 6, further comprising:
the first pressure gauge (40) is arranged in the geothermal well (10), and the first pressure gauge (40) is used for monitoring and acquiring the annular pressure in the geothermal well (10);
and the second pressure gauge (50) is arranged in the directional pipeline (20), and the second pressure gauge (50) is used for monitoring and acquiring the annular pressure in the directional pipeline (20).
8. The geothermal well liquid level measurement structure of claim 7, further comprising:
pressure regulating device (60), with directional pipeline (20) intercommunication and respectively with first manometer (40) with second manometer (50) are connected, pressure regulating device (60) are used for adjusting annular pressure in directional pipeline (20) so that annular pressure in directional pipeline (20) with annular pressure in geothermal well (10) equals.
9. The geothermal well liquid level measurement structure of claim 5, further comprising:
and the communication pipeline (70) is arranged between the geothermal well (10) and the directional pipeline (20) and is used for communicating the parts of the geothermal well and the directional pipeline above the liquid level.
10. A geothermal well liquid level measurement structure according to claim 5, characterized in that the measurement member (30) is a wireline.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211011902.6A CN115218990A (en) | 2022-08-23 | 2022-08-23 | Geothermal well liquid level measuring method and geothermal well liquid level measuring structure |
| GB2309451.9A GB2622297A (en) | 2022-08-23 | 2023-06-22 | Method and structure for measuring liquid level of geothermal well |
| NL2035267A NL2035267B1 (en) | 2022-08-23 | 2023-07-05 | Method and structure for measuring liquid level of geothermal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211011902.6A CN115218990A (en) | 2022-08-23 | 2022-08-23 | Geothermal well liquid level measuring method and geothermal well liquid level measuring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115218990A true CN115218990A (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211011902.6A Pending CN115218990A (en) | 2022-08-23 | 2022-08-23 | Geothermal well liquid level measuring method and geothermal well liquid level measuring structure |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN115218990A (en) |
| GB (1) | GB2622297A (en) |
| NL (1) | NL2035267B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2622297A (en) * | 2022-08-23 | 2024-03-13 | Sinopec Green Energy Geothermal Dev Co Ltd | Method and structure for measuring liquid level of geothermal well |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013101872A1 (en) * | 2013-02-26 | 2014-08-28 | boden & grundwasser GmbH Dr. Rainer Klein | measurement methods |
| DE102014206042B4 (en) * | 2014-03-31 | 2015-10-08 | Holger Gawryck | Measuring device for a geothermal probe |
| KR101541801B1 (en) * | 2014-08-26 | 2015-08-04 | (주)지오쓰리에코 | Geothermal system using gathered rainfall |
| KR101855081B1 (en) * | 2016-02-12 | 2018-06-21 | 한국생산기술연구원 | Circulating apparatus for collecting geothermal and geothermal colection system using the same |
| JP6067173B1 (en) * | 2016-09-30 | 2017-01-25 | 俊一 田原 | Geothermal exchanger and geothermal power generator |
| CN112502661A (en) * | 2019-09-16 | 2021-03-16 | 中国石油化工集团有限公司 | Geothermal well head device with test function |
| CN112923994A (en) * | 2021-01-23 | 2021-06-08 | 万江新能源集团有限公司 | Novel wellhead device and matched liquid level monitoring system thereof |
| CN217877897U (en) * | 2022-08-23 | 2022-11-22 | 中石化绿源地热能开发有限公司 | Geothermal well liquid level measuring structure |
| CN115218990A (en) * | 2022-08-23 | 2022-10-21 | 中石化绿源地热能开发有限公司 | Geothermal well liquid level measuring method and geothermal well liquid level measuring structure |
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2022
- 2022-08-23 CN CN202211011902.6A patent/CN115218990A/en active Pending
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2023
- 2023-06-22 GB GB2309451.9A patent/GB2622297A/en active Pending
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2622297A (en) * | 2022-08-23 | 2024-03-13 | Sinopec Green Energy Geothermal Dev Co Ltd | Method and structure for measuring liquid level of geothermal well |
Also Published As
| Publication number | Publication date |
|---|---|
| GB202309451D0 (en) | 2023-08-09 |
| NL2035267A (en) | 2024-03-01 |
| GB2622297A (en) | 2024-03-13 |
| NL2035267B1 (en) | 2024-08-27 |
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