CN210714671U - Horizontal well water holdup measuring device - Google Patents
Horizontal well water holdup measuring device Download PDFInfo
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- CN210714671U CN210714671U CN201920521194.8U CN201920521194U CN210714671U CN 210714671 U CN210714671 U CN 210714671U CN 201920521194 U CN201920521194 U CN 201920521194U CN 210714671 U CN210714671 U CN 210714671U
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- horizontal well
- water holdup
- measuring device
- water
- well water
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- 235000020681 well water Nutrition 0.000 title claims abstract description 24
- 239000002349 well water Substances 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000005259 measurement Methods 0.000 abstract description 17
- 239000012530 fluid Substances 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 4
- 206010016807 Fluid retention Diseases 0.000 description 9
- 230000014759 maintenance of location Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
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Abstract
The utility model discloses a horizontal well water holdup measuring device, the device includes: the water-holding rate meter comprises a shell, a power assembly arranged in the shell, a plurality of supporting arms and a plurality of water-holding rate meters; the power assembly is connected with the plurality of supporting arms and is used for driving the supporting arms to extend or retract; the supporting arms are used for being uniformly arranged in a shaft of the horizontal well after being stretched, and each supporting arm is provided with a plurality of water holdup meters. The utility model discloses a set up power component, can control a plurality of support arms and extend or contract in the pit shaft of horizontal well uniformly along circumference, and then make a plurality of water holdup meters lay the different heights in the pit shaft evenly, realized the measurement to the water holdup of different liquid level height fluids in the horizontal well, make measuring range more comprehensive, improved water holdup measurement accuracy.
Description
Technical Field
The utility model relates to an oil gas exploration technical field especially relates to a horizontal well water holdup measuring device.
Background
Because the horizontal well has a large production which is usually 3 to 5 times of that of the vertical well, the development of the horizontal well is emphasized in all large oil fields. However, as the production time increases, the water outlet condition of the horizontal well is serious, and many wells are shut down due to water logging, so that the oil field loss is caused. Therefore, in order to reduce the loss of the oil field, the water outlet position in the horizontal well needs to be found.
In the prior art, when a water outlet position in a horizontal well is searched, a water retention rate measuring instrument is generally put into the horizontal well to measure the water retention rate of each section of the horizontal well, however, the current water retention rate measuring instrument can only measure the average water retention rate of a single point or a measuring space, and a fluid in the horizontal well comprises: water, oil and gas are subjected to water holding capacity measurement, the gas-liquid two-phase flow measurement is performed, the measurement precision is influenced by the change of a flow pattern, and the measurement precision of the water holding capacity cannot be guaranteed by the existing water holding capacity measurement instrument.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a horizontal well water holdup measuring device for improve water holdup measurement accuracy, the device includes: the water-holding rate meter comprises a shell, a power assembly arranged in the shell, a plurality of supporting arms and a plurality of water-holding rate meters;
the power assembly is connected with the plurality of supporting arms and is used for driving the supporting arms to extend or retract;
the supporting arms are used for being uniformly arranged in a shaft of the horizontal well along the circumferential direction after being stretched, and each supporting arm is provided with a plurality of water holdup meters.
Optionally, the power assembly comprises: the motor, the transmission shaft and the connecting piece;
the motor is fixed in the shell;
the transmission shaft is arranged at the output end of the motor and is used for driving the connecting piece to move along the axial direction under the driving of the motor;
the connecting piece is connected with the supporting arm and used for driving the supporting arm to extend or contract.
Optionally, the transmission shaft is a screw rod, and the transmission shaft is in threaded connection with the connecting piece.
Optionally, the connecting piece and the supporting arm are detachably connected.
Optionally, the apparatus further comprises: the centralizer is arranged on the shell and used for abutting against the inner wall of the shaft to centralize the shell.
Optionally, the centralizer is a roller centralizer.
Optionally, the number of the water holdup meters on each supporting arm is 2-4.
Optionally, the number of the support arms is 8-12.
Optionally, the water holding capacity meter is a capacitance water holding capacity meter.
Optionally, the apparatus further comprises: a cable;
and the water holdup meter is connected with information acquisition equipment on the ground through the cable.
The embodiment of the utility model provides a horizontal well water holdup measuring device, through setting up power component, can control a plurality of support arms and extend or contract in the pit shaft of horizontal well uniformly along circumference, and then make a plurality of water holdup meters lay the not co-altitude in the pit shaft evenly, realized the measurement to the different liquid level height fluidic water holdup in the horizontal well, make measuring range more comprehensive, improved water holdup measurement accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. In the drawings:
fig. 1 is a schematic structural diagram of a horizontal well water holdup measuring device in the embodiment of the present invention;
fig. 2 is the embodiment of the utility model provides an embodiment horizontal well water holdup measuring device's sectional view.
The reference numbers are as follows:
1, a shell body is arranged in the shell body,
2, a power assembly is arranged on the base,
201 the motor is driven by a motor, and,
202 the drive shaft of the transmission shaft,
203 of the connecting piece, and a connecting piece,
3 a supporting arm is arranged on the bracket,
4, a water-holding rate meter is arranged,
5, a centering device is arranged on the frame,
6 cables.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
The embodiment of the utility model provides a horizontal well water holdup measuring device, as shown in figure 1 and figure 2, the device includes: the water-holding rate meter comprises a shell 1, a power assembly 2 arranged in the shell 1, a plurality of supporting arms 3 and a plurality of water-holding rate meters 4. Wherein, the power assembly 2 is connected with a plurality of supporting arms 3 and is used for driving the supporting arms 3 to extend or retract; the supporting arms 3 are used for being uniformly arranged in a shaft of a horizontal well along the circumferential direction after being stretched, and each supporting arm 3 is provided with a plurality of water holdup meters 4.
When the water holding capacity of a well section to be measured in a horizontal well needs to be measured, the horizontal well water holding capacity measuring device is lowered into the horizontal well to be preset, the power assembly 2 is utilized to drive the supporting arms 3 to uniformly stretch in the shaft of the horizontal well along the circumferential direction (at the moment, the outer walls of the supporting arms 3 are abutted against the inner wall of the shaft, and the water holding capacity meters 4 on each supporting arm 3 are all at different heights), so that the plurality of water holding capacity meters 4 are uniformly arranged at different heights in the shaft. In this case, the water retentions of the fluids at different heights in the preset position may be measured by the plurality of water retentions meters 4. After one measurement is finished, the power assembly 2 is utilized to drive the supporting arm 3 to contract, and the horizontal well water holding rate measuring device is moved to the next position to be measured to detect the water holding rate.
The embodiment of the utility model provides a horizontal well water holdup measuring device, through setting up power component 2, can control a plurality of support arms 3 and extend or contract in the pit shaft of horizontal well uniformly along circumference, and then make a plurality of water holdup meters 4 lay different heights in the pit shaft uniformly, realized the measurement to the different liquid level height fluidic water holdup in the horizontal well, make measuring range more comprehensive, improved water holdup measurement accuracy.
Wherein, the number of the water holdup meters 4 on each supporting arm 3 is 2-4 (such as 2, 3, etc.), and two water holdup meters 4 are preferably uniformly arranged on each supporting arm 3.
The number of the supporting arms 3 is 8-12 (e.g. 8, 9, etc.).
Further, in order to obtain various retention data (such as water retention, oil retention, gas retention, etc.) of a section of a preset position of the wellbore, the water retention meter 4 may be a capacitive water retention meter.
In the measurement, if the position is located with no fluid flow, the measurement data hardly changes, and if the position is located with fluid flow, the measurement data changes in a pulsating manner. And the measured data of the capacitance sensors of the water medium, the oil medium and the gas medium are greatly different, and the holdup data of each phase in the cross section of the well bore at the position can be finally obtained according to the interpretation and analysis of the data information. Wherein the relative dielectric constant of oil gas is 1.0-4.0, the relative dielectric constant of water is 60-80, and the fluid characteristics can be identified by the dielectric constant.
In the embodiment of the present invention, in order to smoothly obtain the measurement data of the water holdup meter 4 on the ground, as shown in fig. 1, the apparatus further includes: and a cable 6. The water holdup meter 4 is connected with information acquisition equipment on the ground through a cable 6.
In the embodiment of the present invention, in order to ensure that the power assembly 2 can smoothly drive the supporting arm 3 to extend or contract, as shown in fig. 1, the power assembly 2 includes: motor 201, transmission shaft 202, connecting piece 203. Wherein, the motor 201 is fixed in the shell 1; the transmission shaft 202 is arranged at the output end of the motor 201 and is used for driving the connecting piece 203 to move along the axial direction under the driving of the motor 201; the connecting piece 203 is connected with the supporting arm 3 and used for driving the supporting arm 3 to extend or retract.
Wherein, the axial direction is consistent with the axial direction of the horizontal well shaft. The motor 201 may be connected to a cable below the ground.
Optionally, the transmission shaft 202 is a screw rod, and the transmission shaft 202 is in threaded connection with the connecting piece 203.
When the electric tool works, the motor 201 is used for driving the transmission shaft 202 to rotate, and because the transmission shaft 202 is in threaded connection with the connecting part 203, and the motor 201 is fixed in the housing 1, the connecting part 203 pushes or pulls the support arm 3 during the rotation of the transmission shaft 202 (for example, when the transmission shaft 202 rotates forward, the connecting part 203 pushes the support arm 3 to contract, and when the transmission shaft 202 rotates reversely, the connecting part 203 pulls the support arm 3 to extend).
In order to ensure that the connecting member 203 is firmly connected to the support arm 3 and is easy to install and remove, the connecting member 203 and the support arm 3 may be detachably connected. Specifically, for example, the connector 203 may be screwed with the support arm 3.
In order to ensure that the measuring process of the horizontal well water holdup measuring device is more stable and the measuring result is more accurate, as shown in the attached figure 1, the device further comprises: a centralizer 5. The centralizer 5 is arranged on the shell 1 and used for propping against the inner wall of a shaft to centralize the shell 1.
Further, in order to facilitate the free movement of the whole horizontal well water holdup measuring device in the shaft, the centralizer 5 can be set as a roller centralizer.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A horizontal well water holdup measuring device, characterized by, includes: the water-holding rate meter comprises a shell (1), a power assembly (2) arranged in the shell (1), a plurality of supporting arms (3) and a plurality of water-holding rate meters (4);
the power assembly (2) is connected with the plurality of supporting arms (3) and is used for driving the supporting arms (3) to extend or retract;
the supporting arms (3) are used for being uniformly arranged in a shaft of a horizontal well along the circumferential direction after being stretched, and each supporting arm (3) is provided with a plurality of water holdup meters (4).
2. The horizontal well water holdup measuring device according to claim 1, characterized in that the power assembly (2) comprises: the device comprises a motor (201), a transmission shaft (202) and a connecting piece (203);
the motor (201) is fixed in the shell (1);
the transmission shaft (202) is arranged at the output end of the motor (201) and is used for driving the connecting piece (203) to move along the axial direction under the driving of the motor (201);
the connecting piece (203) is connected with the supporting arm (3) and used for driving the supporting arm (3) to extend or contract.
3. The horizontal well water holdup measuring device according to claim 2, wherein the transmission shaft (202) is a lead screw, and the transmission shaft (202) is in threaded connection with the connecting piece (203).
4. The horizontal well water holdup measuring device according to claim 2, characterized in that the connecting piece (203) is detachably connected with the support arm (3).
5. The horizontal well water holdup measuring device according to claim 1, further comprising: the centralizer (5) is arranged on the shell (1) and used for abutting against the inner wall of the shaft to centralize the shell (1).
6. The horizontal well water holdup measuring device according to claim 5, wherein the centralizer (5) is a roller centralizer.
7. The horizontal well water holdup measuring device according to claim 1, characterized in that the number of the water holdup meters (4) on each support arm (3) is 2-4.
8. The horizontal well water holdup measuring device according to claim 1, characterized in that the number of the support arms (3) is 8-12.
9. The horizontal well water holdup measuring device according to claim 1, wherein the water holdup meter (4) is a capacitive water holdup meter.
10. The horizontal well water holdup measuring device according to claim 1, further comprising: a cable (6);
and the water holdup meter (4) is connected with information acquisition equipment on the ground through the cable (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920521194.8U CN210714671U (en) | 2019-04-17 | 2019-04-17 | Horizontal well water holdup measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920521194.8U CN210714671U (en) | 2019-04-17 | 2019-04-17 | Horizontal well water holdup measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210714671U true CN210714671U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920521194.8U Active CN210714671U (en) | 2019-04-17 | 2019-04-17 | Horizontal well water holdup measuring device |
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| CN (1) | CN210714671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753829A (en) * | 2022-03-26 | 2022-07-15 | 西南石油大学 | Novel method for calculating water holdup of horizontal well based on array holdup instrument |
-
2019
- 2019-04-17 CN CN201920521194.8U patent/CN210714671U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753829A (en) * | 2022-03-26 | 2022-07-15 | 西南石油大学 | Novel method for calculating water holdup of horizontal well based on array holdup instrument |
| CN114753829B (en) * | 2022-03-26 | 2024-05-24 | 西南石油大学 | Novel method for calculating water holdup of horizontal well based on array holdup meter |
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