CN204627489U - Laterally opened down-hole metal junk strong magnetic die - Google Patents
Laterally opened down-hole metal junk strong magnetic die Download PDFInfo
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- CN204627489U CN204627489U CN201520318103.2U CN201520318103U CN204627489U CN 204627489 U CN204627489 U CN 204627489U CN 201520318103 U CN201520318103 U CN 201520318103U CN 204627489 U CN204627489 U CN 204627489U
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Abstract
The utility model discloses a kind of laterally opened down-hole metal junk strong magnetic die, body and multiple magnet, wherein: described body is divided into first paragraph, second segment and the 3rd section from top to bottom, described first paragraph is machined internal thread, top connection for being connected with drilling tool, described second segment is with the coaxial cylinder of described first paragraph, remaining semicylinder after the described 3rd section of cylinder extended to form downwards for described second segment excises half along axis; Be processed with one in described body and run through the hydrophthalmia of described body to the bottom of described 3rd section from top to bottom from described first paragraph; The tangent plane of described 3rd section is processed with a groove, and multiple described magnet fixedly mounts evenly distributedly in described groove.Laterally opened down-hole metal junk strong magnetic die structure in the utility model is simple, easy to use, salvaging efficiency is high.
Description
Technical field
The utility model relates to oil drilling equipment field, in particular to one laterally opened down-hole metal junk strong magnetic die.
Background technology
In the wellbore construction operation of oil, geological drilling, often there will be bit cone, down-hole accident that PDC composite sheet of drilling bit, the tongs pincers small-sized reguline metal such as tooth, bolt junk fall into shaft bottom.The fishing device complex structure generally used at present, use inconvenience, efficiency is low.
Utility model content
Technical problem to be solved in the utility model is, provides the fishing device that a kind of structure is simple, easy to use, salvaging efficiency is high.
Therefore, the technical solution of the utility model is as follows:
A kind of laterally opened down-hole metal junk strong magnetic die, body and multiple magnet, wherein:
Described body is divided into first paragraph, second segment and the 3rd section from top to bottom, described first paragraph is for machined internal thread, top connection for being connected with drilling tool, described second segment is with the coaxial cylinder of described first paragraph, remaining semicylinder after the described 3rd section of cylinder extended to form downwards for described second segment excises half along axis;
Be processed with one in described body and run through the hydrophthalmia of described body to the bottom of described 3rd section from top to bottom from described first paragraph;
The tangent plane of described 3rd section is processed with a groove, and multiple described magnet fixedly mounts evenly distributedly in described groove.
In this technical scheme, the runner of design hydrophthalmia is in the below of magnet, and the bottom of straight-through body, can effectively strengthen bottom jet impact force, strengthen the developing result to shaft bottom, and can not weaken magnetic adsorptive power, can increase substantially fishing success ratio.
Further, the bottom surface of described groove is also provided with a magnetic isolation plate, described magnet is arranged on described magnetic isolation plate, and metal semicylinder can be prevented to be magnetized.
Wherein, the diameter of described second segment can be greater than the diameter of described first paragraph, between the two by a conical surface transition.Because first paragraph does not need too large diameter, material can be saved like this.
Further, the lower end of described 3rd section is provided with wear-resistant alloy layer, and the instrument that can ensure protects instrument when contacting metal junk, avoids being worn.
Further, the lower end of described 3rd section is the tangent plane of an inclination, and the intersection point of the axis of described tangent plane and described 3rd section is not less than the intersection point of the side of described tangent plane and described 3rd section, can reduce resistance when instrument is gone into the well.
Further, the lower end of described second segment is the tangent plane of an inclination, and the intersection point of the axis of described tangent plane and described second segment higher than the intersection point of the side of described tangent plane and described second segment, can not reduce resistance when instrument is gone into the well.
Accompanying drawing explanation
Fig. 1 is the structural representation of the laterally opened down-hole metal junk strong magnetic die according to the utility model embodiment;
Fig. 2 is the sectional view of laterally opened down-hole metal junk strong magnetic die in Fig. 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
As depicted in figs. 1 and 2, according to the laterally opened down-hole metal junk strong magnetic die of embodiment of the present utility model, body 1 and multiple magnet 2, wherein:
Described body 1 is divided into first paragraph 11, second segment 12 and the 3rd section 13 from top to bottom, described first paragraph 11 is for machined internal thread, top connection for being connected with drilling tool, described second segment 12 is with the coaxial cylinder of described first paragraph, remaining semicylinder after described 3rd section of 13 cylinder being described second segment 12 extends to form downwards excises half along axis;
Be processed with one in described body 1 and run through the hydrophthalmia 3 of described body 1 to the bottom of described 3rd section 13 from top to bottom from described first paragraph 11;
The tangent plane of described 3rd section 13 is processed with a groove, and multiple described magnet 2 fixedly mounts evenly distributedly in described groove.
In this technical scheme, the runner of design hydrophthalmia 3 is in the below of magnet, and the bottom of straight-through body 1, can effectively strengthen bottom jet impact force, strengthen the developing result to shaft bottom, and can not weaken magnetic adsorptive power, can increase substantially fishing success ratio.
Further, the bottom surface of described groove is also provided with a magnetic isolation plate 5, described magnet 2 is arranged on described magnetic isolation plate 5, and metal semicylinder can be prevented to be magnetized.
Wherein, the diameter of described second segment 12 can be greater than the diameter of described first paragraph 11, between the two by the conical surface 6 transition.Because first paragraph 11 does not need too large diameter, material can be saved like this.
Further, the lower end of described 3rd section 13 is provided with wear-resistant alloy layer, and the instrument that can ensure protects instrument when contacting metal junk, avoids being worn.
Further, the lower end of described 3rd section 13 is the tangent plane 7 of an inclination, and described tangent plane 7 and the intersection point of the axis of described 3rd section 13 are not less than described tangent plane 7 and the intersection point of the side of described 3rd section 13, can reduce resistance when instrument is gone into the well.
Further, the lower end of described second segment 12 is the tangent plane 7 of an inclination, and the intersection point of the axis of described tangent plane 7 and described second segment 12, not higher than described tangent plane 7 and the intersection point of the side of described second segment 12, can reduce resistance when instrument is gone into the well.
Laterally opened down-hole metal junk strong magnetic die in the utility model, during process down-hole accident, utilize itself institute with magnet 2 metal junk carried out magnetization absorption, thus salvaging micro metal junk effectively, purify shaft bottom; During salvaging metal junk, fisher is connected with drilling tool by top connection, and by instrument down to shaft bottom from junk 3 ~ 5m place, drilling liquid flow arrives shaft bottom through hydrophthalmia 3, junk is washed from shaft bottom in circulation simultaneously; During salvaging, test drilling tool, on one side at the bottom of turn on pump flushing manhole, rotary tools changes the orientation in magnetic absorption face simultaneously, is adsorbed immediately after junk has been rushed by magnetive attraction, improves fishing success ratio.
In sum, content of the present utility model is not limited in the above-described embodiment, and those skilled in the art can propose other embodiment within technological guidance's thought of the present utility model, but this embodiment is all included within scope of the present utility model.
Claims (6)
1. a laterally opened down-hole metal junk strong magnetic die, is characterized in that, body (1) and multiple magnet (2), wherein:
Described body (1) is divided into first paragraph (11), second segment (12) and the 3rd section (13) from top to bottom, described first paragraph (11) is for machined internal thread, top connection for being connected with drilling tool, described second segment (12) is with the coaxial cylinder of described first paragraph, and the cylinder that described 3rd section (13) extend to form downwards for described second segment (12) is along remaining semicylinder after axis excision half;
Be processed with one in described body (1) and run through the hydrophthalmia (3) of described body (1) to the bottom of described 3rd section (13) from top to bottom from described first paragraph (11);
The tangent plane of described 3rd section (13) is processed with a groove, and multiple described magnet (2) fixedly mounts evenly distributedly in described groove.
2. laterally opened down-hole according to claim 1 metal junk strong magnetic die, it is characterized in that, the bottom surface of described groove is also provided with a magnetic isolation plate (5), and described magnet (2) is arranged on described magnetic isolation plate (5).
3. laterally opened down-hole according to claim 1 metal junk strong magnetic die, it is characterized in that, the diameter of described second segment (12) is greater than the diameter of described first paragraph (11), between the two by a conical surface (6) transition.
4. laterally opened down-hole according to claim 1 metal junk strong magnetic die, it is characterized in that, the lower end of described 3rd section (13) is provided with wear-resistant alloy layer.
5. laterally opened down-hole according to any one of claim 1 to 4 metal junk strong magnetic die, it is characterized in that, the lower end of described 3rd section (13) is the tangent plane (7) of an inclination, and described tangent plane (7) is not less than the intersection point of the side of described tangent plane (7) and described 3rd section (13) with the intersection point of the axis of described 3rd section (13).
6. laterally opened down-hole according to any one of claim 1 to 4 metal junk strong magnetic die, it is characterized in that, the lower end of described second segment (12) is the tangent plane (7) of an inclination, and the intersection point of the axis of described tangent plane (7) and described second segment (12) is not higher than the intersection point of described tangent plane (7) with the side of described second segment (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520318103.2U CN204627489U (en) | 2015-05-18 | 2015-05-18 | Laterally opened down-hole metal junk strong magnetic die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520318103.2U CN204627489U (en) | 2015-05-18 | 2015-05-18 | Laterally opened down-hole metal junk strong magnetic die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204627489U true CN204627489U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520318103.2U Expired - Fee Related CN204627489U (en) | 2015-05-18 | 2015-05-18 | Laterally opened down-hole metal junk strong magnetic die |
Country Status (1)
| Country | Link |
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| CN (1) | CN204627489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868742A (en) * | 2018-06-08 | 2018-11-23 | 中国石油天然气股份有限公司 | Determine the method, apparatus and storage medium in the source of tubing trouble of lost tool in hole |
-
2015
- 2015-05-18 CN CN201520318103.2U patent/CN204627489U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868742A (en) * | 2018-06-08 | 2018-11-23 | 中国石油天然气股份有限公司 | Determine the method, apparatus and storage medium in the source of tubing trouble of lost tool in hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20210518 |