CN215525465U - Hanger horizontal type downhole oil casing corrosion detection tool - Google Patents
Hanger horizontal type downhole oil casing corrosion detection tool Download PDFInfo
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- CN215525465U CN215525465U CN202122014217.6U CN202122014217U CN215525465U CN 215525465 U CN215525465 U CN 215525465U CN 202122014217 U CN202122014217 U CN 202122014217U CN 215525465 U CN215525465 U CN 215525465U
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Abstract
The utility model discloses a hanger-horizontal-type corrosion detection tool for an underground oil casing, which comprises a cylinder main body, wherein the cylinder main body is formed by detachably connecting two hoops; the middle part of the outer side of the hoop is hollowed out, connecting walls are formed on two sides of the hoop, and a hanging piece mounting area is formed between the connecting walls on the two sides and two ends of the outer wall of the hoop; still include the metal lacing film, the metal lacing film sets up and both ends can be dismantled and connect on the both sides connecting wall with clamp outer wall interval, and the metal lacing film transversely sets up and is provided with the multirow along clamp length direction interval, and wherein, two rows at least metal lacing films butt side by side in order to be used for galvanic corrosion to detect. The metal hanging pieces are transversely arranged, so that the detection depth of each metal hanging piece is consistent, the detection effect can be improved, the underground oil casings at different depths are subjected to layered detection, the detection effect is good, and a plurality of metal hanging pieces can be arranged at one time to obtain a plurality of detection data, so that the structure is simplified, and the layered and classified accurate detection is realized.
Description
Technical Field
The utility model relates to the technical field of underground oil casing detection of oil and gas fields, in particular to an underground oil casing corrosion detection tool with a transversely arranged hanging piece.
Background
In current oil gas field oil casing pipe corrosion detection technique in pit, common underground hanging ring technique detects, when detecting, generally be with corrosion detection device as oil pipe's partly with the oil pipe concatenation, the concatenation back, former oil pipe's joint strength can receive the influence, very easily cause crude oil pipe fracture, warp or drop, bring huge risk for borehole operation, secondly, current corrosion detection device structure, with oil pipe cooperation mode, the hanging piece setting mode is all comparatively complicated, accomplish fast loading and unloading's purpose, and the detected data is comparatively single, be unfavorable for high efficiency's detection operation, finally, current hanging piece generally is vertical setting, lead to single hanging piece depth in pit to differ, every hanging piece detection effect can receive the influence, the testing result has the error, and unable while is to the underground layering corrosion detection of the different degree of depth.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a tool for detecting corrosion of an underground oil casing with a transversely-arranged hanging piece.
The purpose of the utility model is mainly realized by the following technical scheme: a hanging piece horizontal type corrosion detection tool for an underground oil casing comprises a cylinder main body, wherein the cylinder main body is formed by detachably connecting two semicircular clamping hoops with the same structure; the middle part of the outer side of the hoop is hollowed out, connecting walls are formed on two sides of the hoop, and a hanging piece mounting area is formed between the connecting walls on the two sides and two ends of the outer wall of the hoop; still including setting up the metal lacing film in the lacing film installing zone, the metal lacing film sets up and both ends can be dismantled and connect on both sides connecting wall with clamp outer wall interval, the metal lacing film transversely sets up and is provided with the multirow along clamp length direction interval, and wherein, two rows at least metal lacing films butt side by side in order to be used for galvanic corrosion to detect.
Based on above technical scheme, the clamp is located lacing film installing area still the interval and is formed with the spacing piece of a plurality of horizontal settings, the metal lacing film passes through the spacing piece and sets up each other at an interval.
Based on above technical scheme, the external diameter of metal lacing film and spacer is all not greater than the clamp external diameter, and the external diameter of spacer is greater than the external diameter of metal lacing film.
Based on above technical scheme, the metal lacing film can be dismantled with both sides connecting wall through first fixing bolt and be connected, all is provided with on the connecting wall of both sides with first fixing bolt screw-thread fit's first threaded connection hole.
Based on the technical scheme, the first fixing bolt is made of hard plastics.
Based on above technical scheme, clamp both ends outer wall all is provided with 45 and prevents bumping the chamfer.
Based on above technical scheme, the clamp is made by high temperature resistant nylon.
Based on above technical scheme, the both ends of clamp are provided with counter bore and second threaded connection hole respectively, and two clamps are even as an organic whole through setting up in the counter bore and with second threaded connection hole screw-thread fit's second fixing bolt.
Based on above technical scheme, the counter bore sets up in the circumference of clamp one end, second threaded connection hole sets up in the plane of the clamp other end.
Compared with the prior art, the utility model has the following beneficial effects: the utility model has simple structure, the cylinder main body can be directly held tightly on the outer wall of the oil pipe to enter underground detection without being spliced with the oil pipe, the connection strength and the structure of the oil pipe can be well ensured, the loading and unloading are convenient, the metal hanging pieces are transversely arranged, so that the detection depth of each metal hanging piece is consistent, the detection effect can be improved, the underground oil casing pipes with different depths can be subjected to layered detection, the detection effect is good, a plurality of metal hanging pieces can be arranged at one time to obtain a plurality of detection data, the detection is more convenient, the two metal hanging pieces are abutted side by side for the galvanic corrosion detection, the galvanic corrosion structure is not required to be designed, and the whole structure is simplified, so that the utility model realizes the layered and classified accurate detection while the structure is simplified.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic structural view of a metal hanger plate;
FIG. 5 is a schematic view of the structure of the clamp;
the reference numerals in the drawings denote:
1. a cylindrical body; 2. clamping a hoop; 3. a connecting wall; 4. a metal hanging sheet; 5. a separator; 6. a first fixing bolt; 7. a first threaded connection hole; 8. and a second fixing bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
As shown in fig. 1-5, the present embodiment provides a tool for detecting corrosion of a downhole oil casing with a horizontal hanging piece, which includes a cylinder body 1, wherein the cylinder body 1 is formed by detachably connecting two semi-cylindrical hoops 2 with the same structure; the middle part of the outer side of the hoop 2 is hollowed out, connecting walls 3 are formed on two sides of the hoop, and a hanging piece mounting area is formed between the connecting walls 3 on the two sides and two ends of the outer wall of the hoop 2; still including setting up metal lacing film 4 in the lacing film installing zone, metal lacing film 4 sets up and both ends can be dismantled and connect on both sides connecting wall 3 with 2 outer wall intervals of clamp, metal lacing film 4 transversely sets up and is provided with the multirow along 2 length direction intervals of clamp, and wherein, two rows of metal lacing films 4 butt side by side are in order to be used for galvanic corrosion to detect at least.
This corrosion detection device of oil casing in pit uses, two clamps 2 are paird each other and are constituteed drum main part 1, drum main part 1 directly overlaps at the oil pipe outer wall and fixed, thereby this hanger plate horizontal formula oil casing in pit corrodes detection tool can enter into in the oil casing in pit of oil gas field corresponding degree of depth along with oil pipe, realize the detection to the intraductal corrosion conditions of oil gas field oil casing in pit of the different degree of depth, during the detection, metal hanger plate 4 that different metals were made can be dismantled as required and connect in the hanger plate installing zone, can be used to the different degree of depth, the layering of different metals, categorised corrosion detection, and two metal hanger plates 4 of butt then the mutual contact and then produce the galvanic corrosion side by side.
Based on this, the cylinder body 1 of the hanging piece horizontal type downhole oil casing corrosion detection tool can be directly tightly held on the outer wall of an oil pipe to enter downhole detection, splicing with the oil pipe is not needed, connection strength and structure of the oil pipe can be well guaranteed, loading and unloading are convenient, a single metal hanging piece 4 is transversely arranged (namely, the hoop 2 is circumferentially arranged), a plurality of metal hanging pieces 4 are arranged at intervals along the length direction of the hoop 2, the single metal hanging piece 4 can carry out corrosion detection on the downhole oil casing pipe at the same depth, the plurality of metal hanging pieces 4 can carry out corrosion detection on the downhole oil casing pipes at different depths, thereby realizing accurate measurement effect of the single metal hanging piece 4, simultaneously realizing corrosion detection of different depths in the pipe, having high detection precision and large detection range, and being capable of arranging longer hoops 2 according to detection requirements, being capable of arranging more metal hanging pieces 4 made of different metals, thereby realize different metals, the corrosion detection of the different degree of depth, acquire more detection data, can realize disposable diversified detection, and each metal lacing film 4 can be dismantled to set up and also be convenient for retrieve in order to further acquire corrosion detection data, still can be used for the galvanic corrosion to detect through two at least metal lacing films 4 butt side by side when detecting, need not redesign galvanic corrosion structure, simplify overall structure, make this lacing film horizontal formula oil casing pipe corrosion detection instrument in pit can carry out the galvanic corrosion detection of different metal lacing films 4 simultaneously, and the practicality is better, it is more to detect kind.
As shown in fig. 1 and 2, the clip 2 is further formed with a plurality of spacers 5 arranged transversely at intervals in the hanger mounting area, and the metal hangers 4 are arranged at intervals through the spacers 5. The whole semicircle that is of spacer 5 is cyclic annular, and the middle part sets up with 2 outer wall intervals of clamp, and both ends then are connected wall 3 integrated into one piece with both sides respectively to metal lacing film 4 separates through spacer 5, can guarantee that every metal lacing film 4 homoenergetic corrodes alone and detects, reduces metal lacing film 4 and influences each other. Further, the outer diameter of metal hanger piece 4 and spacer 5 is all not greater than the clamp 2 outer diameter, and the outer diameter of spacer 5 is greater than the outer diameter of metal hanger piece 4 to this design not only can prevent that metal hanger piece 4 and spacer 5 from contacting or wiping with debris in the pit and hanging, influence the detection effect, and the outer diameter of spacer 5 is greater than the outer diameter of metal hanger piece 4 and can also protect metal hanger piece 4.
As shown in fig. 2 and 5, for convenient detachment, the metal hanging piece 4 is detachably connected with the connecting walls 3 on both sides through the first fixing bolt 6, and the connecting walls 3 on both sides are respectively provided with a first threaded connecting hole 7 in threaded fit with the first fixing bolt 6. First fixing bolt 6 and first threaded connection hole 7 screw-thread fit, fixed metal lacing film 4 that can be fine to guarantee that metal lacing film 4 can part apart with clamp 2 completely, ensure the corrosion detection effect of metal lacing film 4. Furthermore, the first fixing bolt 6 is made of hard plastic, so that galvanic corrosion cannot be generated between the first fixing bolt and the metal hanging piece 4 after the first fixing bolt is used for fixing the metal hanging piece 4, and the corrosion detection effect of the metal hanging piece 4 can be further ensured.
As shown in fig. 5, the clamp 2 is of a semi-cylindrical structure, and both ends of the outer wall of the clamp 2 are provided with 45-degree anti-collision chamfers, so that the clamp is prevented from being collided with an underground oil casing and being damaged mutually, the clamp 2 and the underground oil casing can be well protected, and the clamp 2 and the underground oil casing can be further protected, and meanwhile, the detection effect of the metal hanging piece 4 is ensured, the outer diameters of both ends of the clamp 2 are larger than the outer diameter of the middle part of the clamp, the middle part of the clamp is hollowed out to form the hanging piece installation area, the metal hanging piece 4 is arranged in the hanging piece installation area, so that the metal hanging piece 4 can be prevented from being higher than the outer walls of both ends of the clamp 2 or being higher than the outer wall of the both ends of the clamp after being installed, and the detection effect can be prevented from being influenced by the contact collision of the metal hanging piece 4 and the underground oil casing. Furthermore, the hoop 2 is made of high-temperature-resistant nylon, so that the hoop 2 can be prevented from being corroded or generating galvanic corrosion with the metal hanging sheet 4, and the service life of the corrosion detection device can be prolonged.
With continued reference to fig. 1, 2 and 3, in order to facilitate connection of the clamp 2, both ends of the clamp 2 are respectively provided with a countersunk hole and a second threaded connection hole, and the two clamps 2 are connected into a whole through a second fixing bolt 8 which is arranged in the countersunk hole and is in threaded fit with the second threaded connection hole. Specifically, the counter sink sets up in the circumference of clamp 2 one end, and second threaded connection hole sets up on the plane of the clamp 2 other end to after two clamps 2 mate each other and form drum main part 1, the counter sink of the two and second threaded connection hole mate each other, can use second fixing bolt 8 even the two as an organic whole and the cover is established on oil pipe, realizes fast loading and unloading's effect.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary 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 (9)
1. A hanging piece horizontal type corrosion detection tool for an underground oil casing is characterized by comprising a cylinder main body, wherein the cylinder main body is formed by detachably connecting two semi-cylindrical hoops with the same structure;
the middle part of the outer side of the hoop is hollowed out, connecting walls are formed on two sides of the hoop, and a hanging piece mounting area is formed between the connecting walls on the two sides and two ends of the outer wall of the hoop;
still including setting up the metal lacing film in the lacing film installing zone, the metal lacing film sets up and both ends can be dismantled and connect on both sides connecting wall with clamp outer wall interval, the metal lacing film transversely sets up and is provided with the multirow along clamp length direction interval, and wherein, two rows at least metal lacing films butt side by side in order to be used for galvanic corrosion to detect.
2. The tool for detecting corrosion of a downhole oil casing with a horizontally arranged hanging piece according to claim 1, wherein the clamp is further formed with a plurality of transversely arranged isolation pieces at intervals in the hanging piece mounting area, and the metal hanging pieces are arranged at intervals through the isolation pieces.
3. The tool of claim 2, wherein the metal hanger and the spacer have an outer diameter not larger than the outer diameter of the collar, and the spacer has an outer diameter larger than the outer diameter of the metal hanger.
4. The tool for detecting corrosion of the underground oil casing with the transversely-arranged hanging pieces according to claim 1, wherein the metal hanging pieces are detachably connected with the connecting walls on the two sides through first fixing bolts, and the connecting walls on the two sides are respectively provided with a first threaded connecting hole in threaded fit with the first fixing bolts.
5. The hanger bar horizontal downhole oil casing corrosion detection tool of claim 4, wherein the first fixing bolt is made of hard plastic.
6. The tool for detecting corrosion of the underground oil casing with the transversely-arranged hanging pieces according to claim 1, wherein the outer walls of two ends of the clamp are provided with 45-degree anti-collision chamfers.
7. The hanger bar horizontal downhole oil casing corrosion detection tool of claim 1, wherein the collar is made of high temperature resistant nylon.
8. The tool for detecting corrosion of a downhole oil casing with a horizontally arranged hanger piece according to claim 1, wherein a countersunk hole and a second threaded connection hole are respectively formed at both ends of the clamp, and the two clamps are connected into a whole by a second fixing bolt which is arranged in the countersunk hole and is in threaded fit with the second threaded connection hole.
9. The tool of claim 8, wherein the counter bore is disposed at a periphery of one end of the clamp, and the second threaded connection hole is disposed at a flat surface of the other end of the clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122014217.6U CN215525465U (en) | 2021-08-25 | 2021-08-25 | Hanger horizontal type downhole oil casing corrosion detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122014217.6U CN215525465U (en) | 2021-08-25 | 2021-08-25 | Hanger horizontal type downhole oil casing corrosion detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215525465U true CN215525465U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122014217.6U Active CN215525465U (en) | 2021-08-25 | 2021-08-25 | Hanger horizontal type downhole oil casing corrosion detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215525465U (en) |
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2021
- 2021-08-25 CN CN202122014217.6U patent/CN215525465U/en active Active
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