CN208473840U - Injection and production well corrosion monitoring device and oil field injection and production well with same - Google Patents
Injection and production well corrosion monitoring device and oil field injection and production well with same Download PDFInfo
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- CN208473840U CN208473840U CN201820939210.0U CN201820939210U CN208473840U CN 208473840 U CN208473840 U CN 208473840U CN 201820939210 U CN201820939210 U CN 201820939210U CN 208473840 U CN208473840 U CN 208473840U
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- 238000012806 monitoring device Methods 0.000 title abstract description 22
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- 239000010959 steel Substances 0.000 description 3
- 238000010793 Steam injection (oil industry) Methods 0.000 description 2
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- 229910001080 W alloy Inorganic materials 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model provides an injection and production well corrosion monitoring device and have its oil field injection and production well, wherein, injection and production well corrosion monitoring device sets up on first pipeline, and injection and production well corrosion monitoring device includes: the pipe part can be detachably and fixedly connected to a preset position of the first pipeline; the first monitoring part is arranged in the pipe part, and at least part of the first monitoring part is made of the same material as the first pipeline. The technical scheme of the utility model the problem of the easy dislocation of injection well corrosion monitoring device position, salvage the difficulty in prior art has been solved effectively.
Description
Technical field
The utility model relates to oilfield monitoring fields, in particular to a kind of injection-production well corrosion monitor and have
Its oil field injection and extraction well.
Background technique
Traditional downhole corrosion active well monitoring device is by hanger, hanger bar, spring, lacing film orientation spool and suspension
Five part of counterweight composition.Ground connects steel wire by carding engine when entering well, and steel wire lowermost end connects cord bottom and connects bumper jar,
It is transferred using high speed, after reaching predetermined position, moment emergency stop mode cuts pin using inertia force.Steel wire is given up hanger,
Hanger is connected by spring with the hanger bar below hanger, and after jarring is given up, spring is under hanger gravity by bullet
Spring tensioning, so that 4 slips strut, slips is suspended on tube inner wall under the action of suspended counterweight, is formed in the middle part of hanger
One duct has substantially no effect on gas well and normally produces.More can be hung in oily (gas).When active well monitoring device is salvaged, carding engine
Lowermost end connects fisher, transfers along oil pipe, after decentralization to preset position, judges whether to be hampered, slowly above mentions, press after being hampered
Carding engine tension judges whether to salvage successfully, repeats this step until salvaging successfully.Multiple corrosion works can be hung in advantage oil pipe
Make well monitoring device.Disadvantage: delivering difficulty, and often giving up in decentralization midway leads to corrosion monitoring location dislocation, and it is inconvenient to salvage,
It is placed in well for a long time, difficulty is salvaged in the support corrosion of hanger slips, and cannot achieve casing corrosion monitoring (oil-pipe external wall monitoring).
Utility model content
The utility model is intended to provide a kind of injection-production well corrosion monitor and the oil field injection and extraction well with it, existing to solve
There is active well monitoring device position in technology to be easy dislocation, salvage difficult problem.
To achieve the goals above, one aspect according to the present utility model provides a kind of injection-production well corrosion monitoring dress
It sets, is arranged in first pipe, injection-production well corrosion monitor includes: pipe portion, can be securely removably connected at the first pipe
On the predeterminated position in road；First monitoring portion is arranged in pipe portion, at least partly the material of the material of the first monitoring portion and first pipe
Expect identical.
Further, first pipe can extend into second pipe, and injection-production well corrosion monitor further includes the second prison
Survey portion, the second monitoring portion are arranged outside pipe portion, and at least partly material of the second monitoring portion and the material of second pipe is identical.
Further, the first monitoring portion and the second monitoring portion are in sleeve-shaped, and pipe portion includes the first pipeline section and the second pipeline section, the
One monitoring portion is arranged in the first pipeline section, and the second monitoring portion is arranged outside the second pipeline section, and the first pipeline section and the second pipeline section connect each other
The end connect is respectively arranged with the first female end connection structure and the first male end connection structure, and the first male end connection structure is female with first
End connection structure is adapted, and the outer diameter of the first pipeline section is greater than the internal diameter of the second monitoring portion, and the internal diameter of the second pipeline section is less than the first prison
The outer diameter in survey portion, the first pipeline section have the first step structure inwardly stretched out, and the second pipeline section has outwardly directed second step
Structure.
Further, the both ends of the first monitoring portion are abutted with first step structure and the first male end connection structure respectively, the
The both ends of two monitoring portions are abutted with second step structure and the first female end connection structure respectively.
Further, the outer diameter of the outer diameter of the second monitoring portion, the outer diameter of the first pipeline section and second step structure is equal, the
The internal diameter of the internal diameter of one monitoring portion, the internal diameter of the second pipeline section and first step structure is equal.
Further, the first monitoring portion includes at least one first monitoring ring, the axis and the first pipeline section of the first monitoring ring
Axis collinear setting, when first monitoring ring be it is multiple when, at least one first monitoring ring material and first pipe material
It is identical, and/or, the second monitoring portion includes at least one second monitoring ring, the axis of the second monitoring ring and the axis of the second pipeline section
Conllinear setting, when the second monitoring ring is multiple, the material of at least one the second monitoring ring is identical as the material of second pipe.
Further, when the first monitoring ring is multiple, the first monitoring portion further includes the first spacer ring, and adjacent two the
It is provided at least one first spacer ring between one monitoring ring, and/or, when the second monitoring ring is multiple, the second monitoring portion is also
Including the second spacer ring, at least one second spacer ring is provided between two second adjacent monitoring rings.
Further, it is provided with the second male end connection structure on one end in the first end of pipe portion and the second end of pipe portion,
The second female end connection structure, the second male end connection structure are provided on the other end in the first end of pipe portion and the second end of pipe portion
It is adapted with the second female end connection structure.
Further, the second male end connection structure is external screw thread, and the second female end connection structure is internal screw thread.
Another aspect according to the present utility model, provides a kind of oil field injection and extraction well, including first pipe, second pipe and
Injection-production well corrosion monitor, first pipe are extend into second pipe, and injection-production well corrosion monitor is arranged in first pipe
On, injection-production well corrosion monitor is above-mentioned injection-production well corrosion monitor.
Using the technical solution of the utility model, injection-production well corrosion monitor is directly fixedly connected on first pipe
On, the pipe portion of injection-production well corrosion monitor is removably attachable between two sections of first pipes or the end of first pipe, leads to
Relative position control injection-production well corrosion monitor depth in active well of the toning homogeneous tube portion in first pipe, makes first
Monitoring portion accurately transfers to predeterminated position.First monitoring portion has that some materials are identical as first pipe material, this part first
Monitoring portion is used to monitor and reflect the extent of corrosion of first pipe.And injection-production well corrosion is just secured after fixing first pipe
Monitoring device is not in the case where injection-production well corrosion monitor slides.When recycling the first monitoring portion, directly by the first pipe
Active well is extracted in road out, easy to operate.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the embodiment of injection-production well corrosion monitor according to the present utility model；
Fig. 2 shows partial enlargement diagrams at the A of the injection-production well corrosion monitor of Fig. 1；And
Fig. 3 shows the structural schematic diagram of the embodiment of oil field injection and extraction well according to the present utility model.
Wherein, the above drawings include the following reference numerals:
1, oil pipe；2, casing；3, injection-production well corrosion monitor；4, stratum；5, valve；5a, the first valve；5b, second
Valve；6, oil reservoir；7, oil-through hole；11, the first pipeline section；12, the second pipeline section；13, internal screw thread；14, external screw thread；15, first step
Structure；16, second step structure；17, internal screw thread；18, external screw thread；21, the first monitoring ring；21a, monitoring ring；21b, monitoring ring；
21c, monitoring ring；21d, monitoring ring；22, the first spacer ring；31, the second monitoring ring；31a, monitoring ring；31b, monitoring ring；31c,
Monitor ring；31d, monitoring ring；32, the second spacer ring.
Specific embodiment
The injection-production well corrosion monitor of the application, it is preferable that can apply in work such as producing well, the gas injection wells in oil field
In well.The casing and the oil extending into casing of reinforcement well side wall are usually used in these active wells with one
Pipe.For the corrosion condition after a period of operation for monitoring oil pipe, need to be arranged in oil pipe monitoring device, at present technology
In, the monitoring device in oil pipe is transferred in oil pipe first with gravity, and utilizes slips when the slips of monitoring device opening and oil
Monitoring device is fixed in oil pipe by the frictional force generated between inside pipe wall.Decentralization monitoring device needs to utilize the used of monitoring device
Property cut pin, monitoring device is due to having initial velocity when separating with rope, so the practical fixed position of monitoring device is easy
Deviate predeterminated position, even fall off out of oil pipe, and above-mentioned fixing means and structure are unfavorable for the recycling of subsequent monitoring device.
The application regarding to the issue above improves monitoring device.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the application and its application or making
Any restrictions.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall in the protection scope of this application.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited scope of the present application processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
As shown in Figure 1 to Figure 3, the oil pipe 1 of oil field injection and extraction well is used as first pipe, and the setting of injection-production well corrosion monitor exists
On oil pipe 1, the injection-production well corrosion monitor of the present embodiment includes pipe portion and the first monitoring portion.Wherein, pipe portion can be detachable
Ground is fixedly connected on the predeterminated position of oil pipe 1 (first pipe), and the first monitoring portion is arranged in pipe portion, at least partly first prison
The material in survey portion is identical as the material of oil pipe 1 (first pipe).
Using the technical solution of the present embodiment, injection-production well corrosion monitor is directly fixedly connected on oil pipe 1, note is adopted
The pipe portion of well corrosion monitor is removably attachable between two sections of oil pipes 1 or the end of oil pipe 1, by adjusting pipe portion in oil
Depth of the relative position control injection-production well corrosion monitor in active well on pipe 1, transfers the first monitoring portion accurately
To predeterminated position.First monitoring portion has that some materials are identical as 1 material of oil pipe, this first monitoring portion of part is used to monitor and reflect
The extent of corrosion of oil pipe 1.And injection-production well corrosion monitor is just secured after fixing oil pipe 1, is not in injection-production well corruption
Lose the case where monitoring device slides.When recycling the first monitoring portion, directly oil pipe 1 is extracted out active well, it is easy to operate.
Specifically, as shown in Figure 1, being provided in the first end of the pipe portion of the injection-production well corrosion monitor of the present embodiment outer
Screw thread 18, external screw thread 18, for connecting first segment oil pipe 1.Internal screw thread 17 is provided in the second end of pipe portion, for connecting second
Section oil pipe 1.Injection-production well corrosion monitor can be securely removably connected in oil pipe 1 by pipe portion in this way.
In general, oil pipe 1 is formed by connecting by the identical oil pipe section of more piece specification, the both ends of oil pipe section are respectively set compatible
Internal and external threads, in order to the production and installation of oil pipe section.It is therefore preferred that 18 phase of internal screw thread 17 and external screw thread of the present embodiment
It is adapted to and is adapted with the internal and external threads on oil pipe section, can use the existing internal and external threads connecting section of oil pipe section in this way, mention
High collocation degree reduces cost.And injection-production well corrosion monitor is arranged in oil pipe 1 as needed convenient for worker for above structure
Any position, be also beneficial to that multiple positions of oil pipe 1 for multiple injection-production well corrosion monitors are arranged in.
As shown in Figure 1 to Figure 3, the casing 2 of oil field injection and extraction well is threaded through in stratum 4 and protrudes into oil reservoir 6 as second pipe,
The part that casing 2 immerses oil reservoir 6 is provided with oil-through hole 7, and oil pipe 1 can extend into casing 2, to carry out oil extraction operation.This reality
The injection-production well corrosion monitor for applying example further includes the second monitoring portion, and the second monitoring portion is arranged outside pipe portion, and at least partly second
The material of monitoring portion and the material of second pipe are identical.Environment of second monitoring portion locating for underground and 2 local environment item of casing
Part is identical, can be by the second monitoring portion together when worker takes out the injection-production well corrosion monitor of the present embodiment with oil pipe 1
It takes out of, worker can judge casing 2 the underground the case where by the corrosion condition of the second monitoring portion of observation analysis.Above structure is real
Show to the vertical view situation of oil pipe surfaces externally and internally and the corrosion condition of casing while being monitored, conventional downhole corrosion is avoided to supervise
Surveying device can only be to the deficiency that oil pipe is monitored.
In the present embodiment, the oil pipe 1 of oil field injection and extraction well and casing 2 are the pipeline configuration for protruding into underground, to distinguish two
The oil pipe 1 of a pipeline configuration, the present embodiment is used as second pipe as first pipe, casing 2.
Preferably, as depicted in figs. 1 and 2, the pipe portion of the present embodiment includes the first pipeline section 11 and the second pipeline section 12, the first prison
Survey portion and the second monitoring portion are in sleeve-shaped, wherein the first monitoring portion is arranged in the first pipeline section 11, and the setting of the second monitoring portion is the
Outside two pipeline sections 12.The end that first pipeline section 11 and the second pipeline section 12 are connected to each other is respectively arranged with internal screw thread 13 and external screw thread 14,
External screw thread 14 is adapted with internal screw thread 13.The first monitoring portion can be placed on the first pipeline section from the opening of internal screw thread 13 in this way
11 inside, while the second monitoring portion being set in the outside of the second pipeline section 12 from external screw thread 14, it is easy to operate, it is compact-sized.
Prevent it along pipe portion for the first monitoring portion and the second monitoring portion to be fixed in the first pipeline section 11 and the second pipeline section 12
Axial float, as depicted in figs. 1 and 2, first pipeline section 11 of the present embodiment has the first step structure 15 inwardly stretched out, the
Two pipeline sections 12 have outwardly directed second step structure 16, and the outer diameter of the first pipeline section 11 is greater than the internal diameter of the second monitoring portion, the
Outer diameter of the internal diameter of two pipeline sections 12 less than the first monitoring portion.End face and First of such second pipeline section 12 towards the first monitoring portion
Stage structure 15 can reduce the scope of activities of the first monitoring portion, effectively limit to the first monitoring portion；Similarly, the first pipeline section
11 can reduce the scope of activities of the second monitoring portion towards the end face of the second monitoring portions and second step structure 16, effectively to the
Two monitoring portions are limited.
Preferably, the both ends of the first monitoring portion end with first step structure 15 and the external screw thread 14 of the second pipeline section 12 respectively
Face abuts, and the both ends of the second monitoring portion are abutted with the end face of second step structure 16 and the internal screw thread 13 of the first pipeline section 11 respectively.
In the present embodiment, the pipe portion of injection-production well corrosion monitor is connect with oil pipe 1 by helicitic texture, and the of pipe portion
It is connected between one pipeline section 11 and the second pipeline section 12 also by helicitic texture, to distinguish two helicitic textures, the first pipeline section 11 and the
Helicitic texture between two pipeline sections 12 is the first male female end connection structure, and the helicitic texture between pipe portion and oil pipe 1 is second
Male female end connection structure.Above-mentioned helicitic texture can also be replaced with buckle structure or other structures, to realize male female end
Structure connection.
It is further preferred that as depicted in figs. 1 and 2, in the present embodiment, the outer diameter of the second monitoring portion, the first pipeline section 11
Outer diameter and second step structure 16 outer diameter it is equal, the internal diameter and first of the internal diameter of the first monitoring portion, the second pipeline section 12
The internal diameter of step structure 15 is equal.The flow of fluid in oil pipe 1 everywhere can in this way be consistent, makes process fluid flow
It is middle to keep stablizing, reduce variation of the fluid in oil pipe 1.
As shown in Figure 1, first monitoring portion of the present embodiment includes multiple first monitoring rings 21, the axis of the first monitoring ring 21
It is arranged with the axis collinear of the first pipeline section 11, wherein the material of monitoring ring 21a is identical as the material of oil pipe 1, such as stainless steel.Prison
Other materials, such as tungsten alloy material can be selected by surveying ring 21b, monitoring ring 21c and monitoring ring 21d, pairs of with monitoring ring 21a group
Than experiment sample, it can preferably go out to be more suitable for doing the material of oil pipe 1 according to the corrosion condition of different materials in this way.Similarly, second
Monitoring portion includes multiple second monitoring rings 31, and the axis of the second monitoring ring 31 and the axis collinear of the second pipeline section 12 are arranged, wherein
The material for monitoring ring 31a is identical as the material of casing 2, and monitoring ring 31b, monitoring ring 31c and monitoring ring 31d select other materials.
Further, as shown in Figure 1, first monitoring portion of the present embodiment further includes the first spacer ring 22, adjacent two
It is provided at least one first spacer ring 22 between first monitoring ring 21,22 one side of the first spacer ring is by adjacent two first
It monitors ring 21 to be isolated, avoids the first of different materials from monitoring ring 21 and influence each other, influence experiment effect.On the other hand, between first
Spacer ring 22 can fill up the gap between first step structure 15 and the second pipeline section 12, be conducive to limit the first monitoring portion.Together
Reason, the second monitoring portion further includes the second spacer ring 32, be provided between two second adjacent monitoring rings 31 at least one second
Spacer ring 32.
Present invention also provides a kind of oil field injection and extraction wells, as shown in figure 3, including oil according to the oil field injection and extraction well of the present embodiment
Pipe 1 (first pipe), casing 2 (second pipe) and injection-production well corrosion monitor 3, casing 2 pass through stratum 4 and extend into oil reservoir 6
In, oil is extend into casing 2 by 7 sleeve pipe 2 of oil-through hole, oil pipe 1, and injection-production well corrosion monitor 3 is arranged in oil pipe 1
On.When the first valve 5a in valve 5 is opened, can along the direction of a through the annular space between oil pipe 1 and casing 2 from oil
Layer 6 is acquired, can also be along a opposite direction to oil reservoir steam injection or water filling.Similarly, when the second valve 5b in valve 5 is beaten
When opening, it can be acquired through oil pipe 1 from oil reservoir 6 along the direction of b, it can also be along b opposite direction to oil reservoir steam injection or water filling.
Wherein, injection-production well corrosion monitor 3 is the injection-production well corrosion monitor with above-mentioned all or part of technical characteristic.This reality
The oil field injection and extraction well for applying example has the advantages that injection-production well corrosion monitor is easy to disassemble, measurement is accurate.
As needed, multiple injection-production well corrosion monitors 3 can be set in the oil field injection and extraction well of the present embodiment to increase
Monitoring point increases monitoring data, improves monitoring analysis ability.Such as: it can be arranged in the position that oil pipe 1 closes on 6 surface of oil reservoir
In the middle section of oil pipe 1 second injection-production well corrosion monitor 3 is arranged, in oil pipe 1 in first injection-production well corrosion monitor 3
The position setting third injection-production well corrosion monitor 3 for closing on earth's surface, by comparing the corruption of the first monitoring portion of different location
Lose the distribution of extent of corrosion in situation analysis oil field injection and extraction well.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
Injection-production well corrosion monitor is directly fixedly connected in first pipe, the pipe portion of injection-production well corrosion monitor
It is removably attachable between two sections of first pipes or the end of first pipe, it is opposite in first pipe by adjusting pipe portion
Depth of the position control injection-production well corrosion monitor in active well, makes the first monitoring portion accurately transfer to predeterminated position.
First monitoring portion has that some materials are identical as first pipe material, this first monitoring portion of part is used to monitor and reflect first pipe
Extent of corrosion.And injection-production well corrosion monitor is just secured after fixing first pipe, is not in injection-production well corrosion
The case where monitoring device slides.When recycling the first monitoring portion, directly first pipe is extracted out active well, it is easy to operate.
In the description of the present application, it is to be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System is merely for convenience of description the application and simplifies description, and in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is the limitation to the application protection scope；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned (80 degree of rotation or being in other orientation) with other different modes, and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
Apply for the limitation of protection scope.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of injection-production well corrosion monitor is arranged in first pipe, which is characterized in that the injection-production well corrosion monitoring dress
It sets and includes:
Pipe portion can be securely removably connected on the predeterminated position of the first pipe；
First monitoring portion is arranged in the pipe portion, material and the first pipe of at least partly described first monitoring portion
Material is identical.
2. injection-production well corrosion monitor according to claim 1, which is characterized in that the first pipe can extend into
In second pipe, the injection-production well corrosion monitor further includes the second monitoring portion, and second monitoring portion is arranged in the pipe
Outside portion, the material of at least partly described second monitoring portion is identical as the material of the second pipe.
3. injection-production well corrosion monitor according to claim 2, which is characterized in that first monitoring portion and described
Two monitoring portions are in sleeve-shaped, and the pipe portion includes the first pipeline section (11) and the second pipeline section (12), and the first monitoring portion setting exists
In first pipeline section (11), the second monitoring portion setting second pipeline section (12) outside, first pipeline section (11) and
The end that second pipeline section (12) is connected to each other is respectively arranged with the first female end connection structure and the first male end connection structure, institute
It states the first male end connection structure to be adapted with the first female end connection structure, the outer diameter of first pipeline section (11) is greater than described
The internal diameter of second monitoring portion, the internal diameter of second pipeline section (12) are less than the outer diameter of first monitoring portion, first pipeline section
(11) there is the first step structure (15) inwardly stretched out, second pipeline section (12) has outwardly directed second step structure
(16)。
4. injection-production well corrosion monitor according to claim 3, which is characterized in that the both ends of first monitoring portion point
Do not abutted with the first step structure (15) and the first male end connection structure, the both ends of second monitoring portion respectively with
The second step structure (16) and the first female end connection structure abut.
5. injection-production well corrosion monitor according to claim 3, which is characterized in that the outer diameter of second monitoring portion,
The outer diameter of first pipeline section (11) and the outer diameter of the second step structure (16) are equal, first monitoring portion it is interior
The internal diameter of diameter, the internal diameter of second pipeline section (12) and the first step structure (15) is equal.
6. injection-production well corrosion monitor according to claim 3, which is characterized in that first monitoring portion includes at least
One first monitoring ring (21), the axis of first monitoring ring (21) and the axis collinear of first pipeline section (11) are arranged,
When first monitoring ring (21) is multiple, the material of at least one first monitoring ring (21) and the first pipe
Material is identical, and/or, second monitoring portion includes at least one second monitoring ring (31), second monitoring ring (31)
Axis and the axis collinear of second pipeline section (12) are arranged, when second monitoring ring (31) is multiple, at least one institute
The material for stating the second monitoring ring (31) is identical as the material of the second pipe.
7. injection-production well corrosion monitor according to claim 6, which is characterized in that when first monitoring ring (21) is
When multiple, first monitoring portion further includes the first spacer ring (22), is set between first monitoring ring (21) of adjacent two
It is equipped at least one described first spacer ring (22), and/or, when second monitoring ring (31) is multiple, second prison
Survey portion further includes the second spacer ring (32), be provided between second monitoring ring (31) of adjacent two at least one described the
Two spacer rings (32).
8. injection-production well corrosion monitor according to claim 1, which is characterized in that the first end of the pipe portion and described
It is provided with the second male end connection structure on one end in the second end of pipe portion, the second of the first end of the pipe portion and the pipe portion
The second female end connection structure is provided on the other end in end, the second male end connection structure connects knot with second female end
Structure is adapted.
9. injection-production well corrosion monitor according to claim 8, which is characterized in that the second male end connection structure is
External screw thread, the second female end connection structure are internal screw thread.
10. a kind of oil field injection and extraction well, including first pipe, second pipe and injection-production well corrosion monitor, which is characterized in that institute
It states first pipe to extend into the second pipe, the injection-production well corrosion monitor is arranged in the first pipe, institute
State injection-production well corrosion monitor injection-production well corrosion monitor as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820939210.0U CN208473840U (en) | 2018-06-15 | 2018-06-15 | Injection and production well corrosion monitoring device and oil field injection and production well with same |
Applications Claiming Priority (1)
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| WO2024119601A1 (en) * | 2022-12-06 | 2024-06-13 | 宁德时代新能源科技股份有限公司 | Thermal management system for battery, battery, and electric device |
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| WO2024119601A1 (en) * | 2022-12-06 | 2024-06-13 | 宁德时代新能源科技股份有限公司 | Thermal management system for battery, battery, and electric device |
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