CN210530821U - Release head and release device using same - Google Patents
Release head and release device using same Download PDFInfo
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- CN210530821U CN210530821U CN201920921732.2U CN201920921732U CN210530821U CN 210530821 U CN210530821 U CN 210530821U CN 201920921732 U CN201920921732 U CN 201920921732U CN 210530821 U CN210530821 U CN 210530821U
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- sliding sleeve
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- 230000007246 mechanism Effects 0.000 claims abstract description 120
- 230000001681 protective effect Effects 0.000 claims description 30
- 230000000903 blocking effect Effects 0.000 claims description 11
- 210000000078 claw Anatomy 0.000 claims description 9
- 238000012360 testing method Methods 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000007787 solid Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 230000002285 radioactive effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a release head and use its releaser relates to oil field test field, wherein, a release head, include: a pulling mechanism, a containing mechanism and a releasing mechanism; the pulling mechanism is connected with the releasing mechanism, one end of the accommodating mechanism is provided with an opening, an accommodating cavity is arranged in the accommodating mechanism, and the releasing mechanism is arranged at the opening; the accommodating mechanism is used for accommodating a carrier to be released; the pulling mechanism is used for driving the releasing mechanism to act so that the carrier to be released can be separated from the containing cavity through the opening. The problem of isotope well head remain and stain in the wall of a well, have healthy safe environmental protection risk is solved.
Description
Technical Field
The utility model relates to an oil field test field, a release head and use its releaser specifically says so.
Background
At present, the existing leak finding well testing process mainly comprises a well mouth solid isotope source releasing method and a well mouth liquid source sleeving and injecting method. A well head solid isotope source releasing method: 1. the whole well base line is required to be measured, the time consumption is long, and the efficiency is low. 2. The solid isotope source well wall is seriously polluted, and the leakage point or the isotope pollution is not easy to distinguish. A wellhead sleeving liquid source method: 1. isotope residues exist at the well mouth, and health safety risks exist. 2. Isotope diffusion is serious, peak searching is difficult, and leak points are not easy to find. 3. The well head releases under pressure, and the release head and the release device using the release head are complex to operate. Meanwhile, the two methods have large isotope dosage and radioactive intensity, great harm to the health and safety of human bodies, and low success rate and efficiency.
Therefore, a new process for testing the leakage well is researched, isotope residue at the well head and contamination in the well wall are avoided, the radioactive intensity is reduced, and the harm to the human health is reduced. Meanwhile, the isotope is not diffused in the well logging process, peaks are easy to find, and the success rate and the efficiency of finding a leakage well are improved.
Disclosure of Invention
In view of this, the utility model provides a release head and use its releaser to solve the isotope well head and remain and staiing in the wall of a well, have the problem of healthy safety environmental protection risk.
In a first aspect, the present invention provides a delivery head, comprising:
a pulling mechanism, a containing mechanism and a releasing mechanism;
the pulling mechanism is connected with the releasing mechanism, one end of the accommodating mechanism is provided with an opening, an accommodating cavity is arranged in the accommodating mechanism, and the releasing mechanism is arranged at the opening;
the accommodating mechanism is used for accommodating a carrier to be released;
the pulling mechanism is used for driving the releasing mechanism to act so that the carrier to be released can be separated from the containing cavity through the opening.
Preferably, the pulling mechanism comprises:
a stay wire and a sliding sleeve connector;
one end of the pull wire is connected with one end of the sliding sleeve connector, and the other end of the sliding sleeve connector is connected with the accommodating mechanism;
and the stay wire is used for driving the accommodating mechanism to move through the sliding sleeve connector.
Preferably, the pulling mechanism further comprises: a protective body outside the housing mechanism;
the release mechanism, comprising: a torsion spring and a catch;
one side of the protection body is provided with a torsional spring fixing groove, one end of the torsional spring is fixed in the torsional spring fixing groove, the other end of the torsional spring is connected with the blocking claw, and the blocking claw penetrates through the cavity wall of the accommodating cavity and is fixed on the cavity wall.
Preferably, the outer side of the pull wire is provided with a protective sleeve, the outer side of the pull wire and the inner side of the protective sleeve are provided with an elastic mechanism accommodating cavity, and an elastic mechanism is arranged in the elastic mechanism accommodating cavity;
one side of the sliding sleeve connector is inserted into one side of the elastic mechanism accommodating cavity, and the other side of the elastic mechanism accommodating cavity is provided with an inward closing-in;
one side end face of the elastic mechanism is in contact connection with one side of the sliding sleeve connector, and the other side end face of the elastic mechanism is in contact connection with the end face of the closing-in;
and the elastic mechanism is used for returning the sliding sleeve connector.
Preferably, the sliding sleeve connector and the outer side of the protective sleeve are provided with sleeve covers;
the sleeve cover is used for fixing the sliding sleeve connector and the protective sleeve.
Preferably, the other end of the sliding sleeve connector is provided with an annular groove, one side of the annular groove is provided with a raised head, and the sliding sleeve connector is connected with the accommodating mechanism by utilizing the annular groove and the raised head.
Preferably, the pulling mechanism, the accommodating mechanism and the release mechanism have outer cylinders on the outer sides thereof.
Preferably, the accommodating mechanism is a sliding sleeve;
the sliding sleeve is provided with an accommodating cavity, and a protective body and/or a protective body are/is arranged in the accommodating cavity
The carrier to be released is an isotope carrier.
In a second aspect, the present invention provides a releaser, comprising:
the release head as above, said release head being connected to a drive mechanism;
the driving mechanism is used for providing tension for the pulling mechanism and/or driving the release head to rotate.
Preferably, the drive mechanism comprises: a crank and a release handle;
one end of the crank is connected with the release handle, the release handle is connected with one end of the pulling mechanism, and the other end of the pulling mechanism is connected with the release mechanism.
The utility model discloses following beneficial effect has at least:
the utility model provides a release head and use its releaser to solve the isotope well head and remain and stain in the wall of a well, have the problem of healthy safe environmental protection risk.
The utility model discloses just can reach the logging requirement with a small amount of isotopes, and do not have the isotope well head and remain and stain in the wall of a well, no healthy safe environmental protection risk. Meanwhile, the new carrier is not diffused and easy to peak in the logging process, can be completely dissolved after logging, and does not damage the stratum.
The utility model discloses simple structure is reliable, convenient operation, and convenient operation improves success rate and the efficiency of looking for the small opening.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a release head according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a releaser in accordance with an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an isotope carrier according to an embodiment of the present invention.
In fig. 1-3, a crank 1, a housing 2, a release handle 3, a pull wire 4, a spiral steel wire 5, a spring 6, a spring protection sleeve 7, a jackscrew hole 8, a cover 9, an outer cylinder 10, a sliding sleeve connector 11, a protective body 12, a sliding sleeve 13, a torsion spring 14, a pawl 15, a protective body 16, a solid isotope 17, and an isotope shell 18.
Detailed Description
The present invention will be described below based on examples, but it should be noted that the present invention is not limited to these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. However, for parts not described in detail, those skilled in the art can fully understand the present invention.
Furthermore, those skilled in the art will appreciate that the drawings are provided for purposes of illustrating the objects, features, and advantages of the invention and are not necessarily drawn to scale.
Also, unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, the meaning of "includes but is not limited to".
Fig. 1 is a schematic structural diagram of a release head according to an embodiment of the present invention. As shown in fig. 1, a discharge head comprises: a pulling mechanism, a containing mechanism and a releasing mechanism; the pulling mechanism is connected with the releasing mechanism, one end of the containing mechanism is provided with an opening, a containing cavity is arranged in the containing mechanism, and the releasing mechanism is arranged at the opening; a housing mechanism for housing a carrier to be released; and the pulling mechanism is used for driving the releasing mechanism to act so as to enable the carrier to be released to be separated from the containing cavity through the opening. The problem of isotope well head remain and stain in the wall of a well, have healthy safe environmental protection risk is solved.
In fig. 1, the pulling mechanism comprises: a stay wire 4 and a sliding sleeve connector 11; one end of the stay wire 4 is connected with one end of the sliding sleeve connector 11, and the other end of the sliding sleeve connector 11 is connected with the accommodating mechanism; and the pull wire 4 is used for driving the accommodating mechanism to move through the sliding sleeve connector 11.
In fig. 1, the sliding sleeve connector 11 and the outer side of the protective sleeve are provided with a sleeve cover 9; and the sleeve cover 9 is used for fixing the connection between the sliding sleeve connector 11 and the protective sleeve.
In fig. 1, specifically, one end of the pulling wire 4 is connected to the release handle 3 (in fig. 2), and the other end of the pulling wire 4 is connected to the sliding sleeve connector 11. The inboard of sliding sleeve connector 11 has the accommodation space of acting as go-between, and the other end of acting as go-between 4 has the arch of acting as go-between, and the other end of acting as go-between 4 will act as go-between 4 card in the accommodation space of acting as go-between of sliding sleeve connector 11 through the arch of acting as go-between.
In fig. 1, the outer side of the pull wire 4 is provided with a protective sleeve, the outer side of the pull wire 4 and the inner side of the protective sleeve are provided with an elastic mechanism accommodating cavity, and an elastic mechanism is arranged in the elastic mechanism accommodating cavity; one side of the sliding sleeve connector 11 is inserted into one side of the elastic mechanism accommodating cavity, and the other side of the elastic mechanism accommodating cavity is provided with an inward closing-in; one side end face of the elastic mechanism is in contact connection with one side of the sliding sleeve connector 11, and the other side end face of the elastic mechanism is in contact connection with the end face of the closing-in; and the elastic mechanism is used for returning the sliding sleeve connector 11. In particular, the elastic means may be a spring 6 or rubber or other elastic means. If the elastic mechanism can be a spring 6, the protective sleeve is a spring protective sleeve 7. The end face of one side of the spring 6 is in contact connection with one side of the sliding sleeve connector 11, and the end face of the other side of the spring 6 is in contact connection with the end face of the closing-in of the accommodating cavity of the elastic mechanism.
In fig. 1, specifically, the outer side of the spring 6 has a spring protection sleeve 7, and the end face of the spring 6 having the other side is in contact connection with the inner side of the spring protection sleeve 7. Specifically, the spring protection sleeve 7 is a hollow structure, a boss (with an inward closing in) is arranged on the inner side of the hollow structure, and the end face of the spring 6 with the other side is in contact connection with the boss in the spring protection sleeve 7. Spring protection cover 7 has the spring protection cover 7 arch in the spring protection cover 7 outside, and the upper shield 9 is in spring protection cover 7's the outside, and upper shield 9 is used for fixed spring protection cover 7 and sliding sleeve connector 11.
In fig. 1, the pulling mechanism further includes: a protective body 12, the protective body 12 being outside the housing mechanism; a release mechanism, comprising: a torsion spring 14 and a catch 15; one side of the protection body 12 is provided with a torsion spring fixing groove, one end of the torsion spring 14 is fixed in the torsion spring fixing groove, the other end of the torsion spring 14 is connected with a blocking claw 15, and the blocking claw 15 penetrates through the cavity wall of the accommodating cavity and is fixed on the cavity wall.
In fig. 1, the other end of the sliding sleeve connector 11 has an annular groove, one side of the annular groove has a projection, and the sliding sleeve connector 11 is connected with the accommodating mechanism by the annular groove and the projection.
In fig. 1, the outer side of the pulling mechanism, the accommodating mechanism, and the release mechanism has an outer cylinder 10.
In fig. 1, the accommodating mechanism is a sliding sleeve 13; the sliding sleeve 13 has a receiving cavity, in which the protective body 16 is arranged and/or the carrier to be released is an isotope carrier.
In fig. 1, specifically, the sleeve cover 9 is a cylinder structure with a hollow structure, two ends of one side of the sleeve cover 9 are respectively provided with an inward bend, 2 bends directly have a sliding sleeve connector fixing hole, and the sliding sleeve connector 11 is fixed through the sliding sleeve connector fixing hole of the sleeve cover 9. The inner side of the other side of the sleeve cover 9 is pressed on the outer side of the spring protection sleeve 7.
In fig. 1, specifically, one side of the sliding sleeve connector 11 has a sliding sleeve connector boss, one side of the sliding sleeve connector 11 has an annular groove, the sliding sleeve connector boss of the sliding sleeve connector 11 is located inside the sliding sleeve connector fixing hole of the cover cap 9, the annular groove of the sliding sleeve connector 11 is clamped with one end of the sliding sleeve 13, one side of the annular groove of the sliding sleeve connector 11 is raised in the T-shaped connecting portion of the sliding sleeve 13, and the raised head of the sliding sleeve connector 11 is clamped with the T-shaped connecting portion of the sliding sleeve 13.
In fig. 1, specifically, the sliding sleeve 13 has an isotope accommodating chamber for accommodating an isotope carrier. The isotope accommodating cavity of the sliding sleeve 13 is internally embedded with a protective body 16.
In fig. 1, specifically, the outer wall of the isotope accommodating cavity of the sliding sleeve 13 is provided with a latch connecting hole, the latch 15 is provided with a catch, the catch of the latch 15 is inserted into the sliding sleeve 13 through the latch connecting hole, the outer side of the sliding sleeve 13 is provided with a protective body 12, and the outer side of the protective body 12 is embedded with a protective body 16.
Specifically, in fig. 1, the latch 15 has a torsion spring coupling shaft hole, the coupling shaft passes through the torsion spring coupling shaft holes of the torsion spring 14 and the latch 15, one end of the protector 12 on one side of the torsion spring 14 has a torsion spring fixing groove, one end of the torsion spring 14 is welded on the inner wall of the torsion spring fixing groove, and the other end of the torsion spring 14 is coupled to the latch 15.
In fig. 1, specifically, an outer cylinder 10 is fixed outside a protector 12, and the outer cylinder 10 has a terminal hole 8 through which a terminal is connected to the protector 12.
Fig. 2 is a schematic structural diagram of a releaser according to an embodiment of the present invention. As shown in fig. 2, a releaser comprises: the release head is connected with the driving mechanism; and the driving mechanism is used for providing tension for the pulling mechanism and/or driving the release head to rotate.
In fig. 2, a drive mechanism includes: a crank 1 and a release handle 3; one end of the crank handle 1 is connected with a release handle 3, and the release handle 3 is connected with the other end of the pull wire 4.
In fig. 2, specifically, the crank 1 is welded to the outside of the housing 2, and when the release encounters resistance, the release is rotated to advance the release rotationally. The casing 2 is provided with a shaft hole, the release handle 3 is arranged on the inner side of the casing 2, the connecting shaft is connected with the release handle 3 through the shaft hole on the casing 2, and the release handle 3 can rotate around the connecting shaft on the inner side of the casing 2.
In fig. 2, more specifically, the release handle 3 has a pull-string connecting hole in its body, the pull string 4 is connected to the release handle 3 through the pull-string connecting hole, and the side of the pull string 4 after passing through the release handle 3 has a stopper or a cord lock of the pull string 4, and the stopper or the cord lock of the pull string 4 prevents the pull string 4 from being detached from the release handle 3.
In fig. 1 and 2, the spiral wire 5 is outside the pull wire 4, and the spiral wire 5 serves to protect the pull wire 4 and to transport the release head of the releaser. One end of the spiral steel wire 5 is welded on the outer side of the shell 2, and the other end of the spiral steel wire 5 is welded on the outer cylinder 10.
In fig. 1 and 2, the shield 16 may be selected from lead shields.
Fig. 3 is a schematic structural diagram of an isotope carrier according to an embodiment of the present invention. As shown in fig. 3, the solid isotope 17 is in the isotope housing 18, and the isotope housing 18 ensures that the solid isotope 17 powder inside is not scattered. The density of the isotope carrier is close to that of water and is slightly greater than that of the water, so that the influence of the slippage speed on the logging result can be reduced to the maximum extent. The isotope carrier is not scattered and easy to find peaks in the logging process, can be completely dissolved after logging, and does not damage the stratum.
In fig. 1 and 2, the assembly process of the present invention is briefly described: the one end of release handle 3 is connected with the one end of acting as go-between 4, and the one end of acting as go-between 4 is connected with the one end of sliding sleeve connector 11, and the other end and the sliding sleeve 13 of sliding sleeve connector 11 are connected, and the ways 9 cup joints on sliding sleeve connector 11 and spring protection cover 7, and sliding sleeve 13 connects torsional spring 14 and backstop 15, and plumbous protection 16 is installed on the isotope of protection body 12 and sliding sleeve 13 holds the intracavity side.
The working principle of the present invention is explained with reference to fig. 1 and 2: during well logging construction, the water inlet gate is closed, the well head main gate is closed, the well head emptying gate is opened, and the pressure in the water injection pipe column is emptied. In use, the release is pushed to the release position by shaking the crank 1 and pushing the spiral wire 5. The release handle 3 is pulled to drive the pull wire 4, the pull wire 4 drives the sleeve cover 9 and the sliding sleeve connector 11, the sliding sleeve connector 11 drives the sliding sleeve 13, the sliding sleeve 13 drives the torsion spring 14 and the catch 15 which are connected with each other, so that the catch 15 moves downwards into the sliding sleeve 13 to release isotope particles in the sliding sleeve 13. Specifically, the pull wire 4 is pulled, the pull wire 4 drives the sliding sleeve connector 11 to move, the sliding sleeve connector 11 drives the sliding sleeve 13 to move, the sliding sleeve 13 drives the blocking claw 15 to move in the same direction as the pull wire 4, the blocking head of the blocking claw 15 moves in the direction opposite to the direction of the pull wire 4, the blocking head of the blocking claw 15 cannot limit an isotope carrier, and the isotope carrier drops from an isotope and enters a water pipe column or an oil sleeve annulus through an opening of the sliding sleeve 13. After releasing, the releaser is drawn out, the water injection gate is closed, the sleeve injection gate is opened, the water inlet gate is opened finally, the isotope source is flushed into the oil sleeve annular space by the incoming water flow, and the isotope source is put into a tracing related instrument to carry out related peak-finding method leak finding well logging.
The utility model discloses just can reach the logging requirement with a small amount of isotopes, and do not have the isotope well head and remain and stain in the wall of a well, no healthy safe environmental protection risk. Meanwhile, the new carrier is not diffused and easy to peak in the logging process, can be completely dissolved after logging, and does not damage the stratum.
The utility model discloses after the research succeeds, use 20 multiwell times at present in looking for the hourglass well. About 460 lost circulation wells are found in an oil production plant every year, the production value is about 900 ten thousand yuan, 3 hours of logging time is saved for each well, and 1380 hours of working hours are saved for 460 wells all the year.
The cost of 1MBq radioactive intensity isotope is 3.32 yuan, the original leakage detection process needs to release a liquid source with the intensity of 222MBq at least once, and the cost is 737 yuan. The utility model discloses use the radioactivity intensity to reach the logging requirement for original 350 times solid isotope, the test cost is 2.1 yuan. The cost is estimated to be saved by 33.8 ten thousand yuan cumulatively all the year round. And simultaneously, the utility model discloses use the isotope quantity very few, there is not the isotope at the well head to stain, has reduced staff's health safety risk. And the success rate and the efficiency of finding the leakage are improved, the reputation of the test is promoted, and a good foundation is laid for the wider and wider market of the test.
The above-mentioned embodiments are merely embodiments for expressing the invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, substitutions, modifications, etc. can be made without departing from the spirit of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A delivery head, comprising:
a pulling mechanism, a containing mechanism and a releasing mechanism;
the pulling mechanism is connected with the releasing mechanism, one end of the accommodating mechanism is provided with an opening, an accommodating cavity is arranged in the accommodating mechanism, and the releasing mechanism is arranged at the opening;
the accommodating mechanism is used for accommodating a carrier to be released;
the pulling mechanism is used for driving the releasing mechanism to act so that the carrier to be released can be separated from the containing cavity through the opening.
2. The release head of claim 1, wherein the pulling mechanism comprises:
a stay wire (4) and a sliding sleeve connector (11);
one end of the pull wire (4) is connected with one end of the sliding sleeve connector (11), and the other end of the sliding sleeve connector (11) is connected with the accommodating mechanism;
the pull wire (4) is used for driving the accommodating mechanism to move through the sliding sleeve connector (11).
3. The release head according to claim 2, wherein:
the pulling mechanism further comprises: a protective body (12), said protective body (12) being outside said housing means;
the release mechanism, comprising: a torsion spring (14) and a catch (15);
one side of the protection body (12) is provided with a torsion spring fixing groove, one end of the torsion spring (14) is fixed in the torsion spring fixing groove, the other end of the torsion spring (14) is connected with the blocking claw (15), and the blocking claw (15) penetrates through the cavity wall of the accommodating cavity and is fixed on the cavity wall.
4. The release head according to claim 2, wherein:
the outer side of the pull wire (4) is provided with a protective sleeve, the outer side of the pull wire (4) and the inner side of the protective sleeve are provided with an elastic mechanism accommodating cavity, and an elastic mechanism is arranged in the elastic mechanism accommodating cavity;
one side of the sliding sleeve connector (11) is inserted into one side of the elastic mechanism accommodating cavity, and the other side of the elastic mechanism accommodating cavity is provided with an inward closing-in;
one side end face of the elastic mechanism is in contact connection with one side of the sliding sleeve connector (11), and the other side end face of the elastic mechanism is in contact connection with the end face of the closing-in;
the elastic mechanism is used for returning the sliding sleeve connector (11).
5. The release head according to claim 4, wherein:
the sliding sleeve connector (11) and the outer side of the protective sleeve are provided with sleeve covers (9);
the sleeve cover (9) is used for fixing the sliding sleeve connector (11) and the protective sleeve.
6. The release head according to claim 2, wherein:
the other end of the sliding sleeve connector (11) is provided with an annular groove, one side of the annular groove is provided with a raised head, and the sliding sleeve connector (11) is connected with the accommodating mechanism by utilizing the annular groove and the raised head.
7. The release head according to any one of claims 1 to 6, wherein:
the pulling mechanism, the accommodating mechanism and the releasing mechanism are provided with an outer cylinder (10) on the outer side.
8. The release head according to any one of claims 1 to 6, wherein:
the accommodating mechanism is a sliding sleeve (13);
the sliding sleeve (13) has a receiving chamber, in which a protective body (16) and/or a protective body are/is arranged
The carrier to be released is an isotope carrier.
9. A releaser, characterized in that it comprises:
a release head according to any of claims 1-8, connected to a drive mechanism;
the driving mechanism is used for providing tension for the pulling mechanism and/or driving the release head to rotate.
10. A dispenser according to claim 9, wherein:
the drive mechanism includes: a crank (1) and a release handle (3);
one end of the crank handle (1) is connected with the release handle (3), the release handle (3) is connected with one end of the pulling mechanism, and the other end of the pulling mechanism is connected with the release mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920921732.2U CN210530821U (en) | 2019-06-19 | 2019-06-19 | Release head and release device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920921732.2U CN210530821U (en) | 2019-06-19 | 2019-06-19 | Release head and release device using same |
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| CN210530821U true CN210530821U (en) | 2020-05-15 |
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| CN201920921732.2U Active CN210530821U (en) | 2019-06-19 | 2019-06-19 | Release head and release device using same |
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| CN (1) | CN210530821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901154A (en) * | 2021-02-23 | 2021-06-04 | 大庆油田有限责任公司 | Slow-solubility solid isotope source and well logging and interpretation method thereof |
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2019
- 2019-06-19 CN CN201920921732.2U patent/CN210530821U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901154A (en) * | 2021-02-23 | 2021-06-04 | 大庆油田有限责任公司 | Slow-solubility solid isotope source and well logging and interpretation method thereof |
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Effective date of registration: 20211224 Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District No. 233 South Central Avenue Patentee after: Daqing Oilfield Co.,Ltd. Patentee after: PetroChina Company Limited Address before: 163453 Heilongjiang Province, Daqing City Ranghulu District No. 233 South Central Avenue Patentee before: Daqing Oilfield Co.,Ltd. |