CN209761376U - Strong magnetic salvager for coiled tubing - Google Patents
Strong magnetic salvager for coiled tubing Download PDFInfo
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- CN209761376U CN209761376U CN201920478357.9U CN201920478357U CN209761376U CN 209761376 U CN209761376 U CN 209761376U CN 201920478357 U CN201920478357 U CN 201920478357U CN 209761376 U CN209761376 U CN 209761376U
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Abstract
The utility model discloses a ware is salvaged with strong magnetism to coiled tubing, including salvaging the body, salvage the axial of the body and have magnetic force workspace and butt joint coiled tubing's joint, the body of salvaging of magnetic force workspace has three Gutter grooves of interval distribution for triangular structure, circumference, is fixed with an at least magnetic path on the wall in each Gutter groove respectively, the magnetic path department is at the Gutter inslot that corresponds, and the cell type space in this Gutter groove absorbs the magnetism thing that collects as the storage. The utility model discloses a space of arranging of magnetic path is regarded as in each Gutter groove, and keep the existence in Gutter groove cell type space after the magnetic path is arranged, thereby realize good magnetic absorption power with the magnetic path in Gutter inslot, form the storage reliably to the magnetic path that the cell type space in Gutter groove collects, and then can carry out the well with magnetic material in the pit shaft in narrow and small, complicated, all have excellent performance to salvage quality and salvage efficiency of magnetic material in the pit, and is reliable and practical.
Description
Technical Field
The utility model relates to an borehole operation instrument of usefulness is developed to oil gas well, specifically is a strong magnetism salvage ware that continuous oil pipe was used, and the magnetism thing (mainly refer to metal parts and/or metal piece etc.) in its specially adapted shale gas well absorbs and salvages.
Background
In recent years, the development of shale gas reservoirs has entered a high-speed development stage in China, and the number of shale gas wells reformed every year is nearly thousand.
The reformation of the shale gas well is mostly realized by a mode of implementing a reservoir in sections by a composite bridge plug, a soluble bridge plug and the like. After the shale gas well is transformed, a coiled tubing is required to be adopted for operation processing such as drilling and grinding, drifting and the like, so that subsequent engineering operation is carried out in a good wellbore environment.
In the drilling and grinding and well dredging operation of the coiled tubing on the shale gas well, falling/falling cast iron chips, metal parts such as slip teeth and metal chips are generated by a composite bridge plug, a soluble bridge plug and the like in the shale gas well, so that the shale gas well needs to be salvaged. A common fishing process is realized by a fishing rod having a strong magnetic structure, for example, "a strong magnetic fishing tool for coiled tubing" disclosed in chinese patent literature (publication No. CN 205840832, published 2016, 12 and 28).
the fishing rod with the strong magnetic structure has good magnetic absorption force, and can well absorb and collect magnetic substances of metal parts and metal debris in a well. However, because the fishing rod is designed to have a cylindrical structure, the fishing rod does not have a space structure capable of storing the collected magnetic substances, so that the collected magnetic substances are absorbed and attached to the outer wall of the fishing rod, the diameter of the fishing rod after the magnetic substances are absorbed can be increased, the fishing rod is further difficult to carry the magnetic substances adsorbed on the outer wall out of a narrow and complex well, reactive fishing can be frequently generated, and the practicability and the reliability are poor.
SUMMERY OF THE UTILITY MODEL
The technical purpose of the utility model is that: aiming at the particularity of the fishing of the magnetic objects in the well and the defects of the existing fishing tool, the strong magnetic fishing device for the coiled tubing has good magnetic absorption force, can reliably store and carry the absorbed and gathered magnetic objects, and ensures excellent fishing quality and fishing efficiency.
The technical purpose of the utility model is realized through the following technical scheme: the utility model provides a strong magnetism fisher for coiled tubing, includes the salvage body, the axial of the salvage body has magnetic force workspace and butt joint coiled tubing's joint, the salvage body in magnetic force workspace is three prismatic structure, has three Gutter grooves of interval distribution in the circumference, is fixed with at least one magnetic path on the wall in each Gutter groove respectively, the magnetic path is located corresponding Gutter inslot, and the cell type space in this Gutter groove is used for the storage to absorb the magnetic substance that gathers.
Preferably, a plurality of magnetic blocks are fixed in each Gutter groove on the fishing body and are arranged at intervals along the length direction of Gutter grooves. Furthermore, each Gutter groove on the fishing body is formed by two side wall surfaces and a transition surface between the two side wall surfaces, an included angle between the two side wall surfaces is an obtuse angle structure, the magnetic blocks fixed in the Gutter groove are distributed on the two side wall surfaces of the Gutter groove, and the magnetic blocks on the two side wall surfaces are kept independent. Still further, the magnetic blocks arranged on the side wall surfaces of both sides of the Gutter slot along the length direction of the Gutter slot are arranged in a side-by-side alignment manner. Alternatively, the magnetic blocks arranged on the two side wall surfaces of the Gutter groove along the length direction of the Gutter groove are arranged in a front-back staggered mode.
Preferably, the wall surface of the Gutter groove is provided with an embedded groove corresponding to the peripheral outline of each magnetic block, the magnetic blocks are embedded and fixed in the corresponding embedded grooves on the wall surface of the Gutter groove, and the outer surfaces of the embedded magnetic blocks are flush with the corresponding wall surface of the Gutter groove. Furthermore, the magnetic blocks are embedded and fixed in the corresponding embedded grooves through at least one fixing screw.
Preferably, the wall surface of the Gutter groove is provided with an embedded groove corresponding to the peripheral outline of each magnetic block by protruding the outer edge of the wall surface of the Gutter groove, the outline molded line of the outer edge of the envelope between the notch plane of the embedded groove and the wall surface of the Gutter groove is in a slope structure or a smooth transition concave curved surface structure, the magnetic block is embedded and fixed in the corresponding embedded groove on the wall surface of the Gutter groove, and the outer surface of the embedded magnetic block is higher than the corresponding wall surface of the Gutter groove. Furthermore, the magnetic blocks are embedded and fixed in the corresponding embedded grooves through at least one fixing screw.
The utility model has the beneficial technical effects that:
1. The utility model discloses with the salvage body that can connect on coiled tubing as the basis, the magnetic force workspace of triangular structure has been formed on the salvage body, each Gutter grooves of magnetic force workspace regard as the space of arranging of magnetic path, and keep the existence in Gutter groove type spaces after the magnetic path is arranged, thereby realize good magnetic absorption power with the magnetic path in the Gutter groove, absorb the magnetic matter that gathers with the groove type space in Gutter groove to the magnetic path and form and reliably store, and then can carry the magnetic matter in the pit out of the well in narrow and small, complicated pit shaft, all have excellent performance to the salvage quality and the salvage efficiency of magnetic matter in the pit, reliable and practical;
2. The utility model ensures the structural strength of the fishing body, and the groove structure of each Gutter groove can form a space for absorbing and collecting magnetic materials with larger volume, thereby ensuring that the underground magnetic materials can be absorbed, collected and stored excellently and carried out of the well, and further reliably improving the fishing quality and fishing efficiency;
3. The magnetic blocks arranged along the length direction of the Gutter grooves on the side wall surfaces of two sides of each Gutter groove are arranged in a side-by-side alignment mode, so that the absorbed magnetic objects can form relatively segmented centralized collection in the Gutter groove, and the quick and efficient cleaning operation of the magnetic salvage objects in the Gutter groove of the salvage body after the salvage well is facilitated;
4. The magnetic blocks arranged along the length direction of the Gutter groove on the side wall surfaces at two sides of each Gutter groove are arranged in a front-back staggered mode, so that the absorbed magnetic objects can form relatively uniform distributed collection in the Gutter groove, the space of the Gutter groove can be maximally utilized, and the absorption collection amount of the magnetic objects can be increased;
5. The utility model discloses a way that the outer surface of magnetic path flushes in Gutter groove corresponding wall inlays the dress on the inlay groove in Gutter groove, and it has effectively avoided the exposed arch of magnetic path outer fringe on Gutter groove wall to effectively prevent in the pit narrow and small, complex space object from to salvage the magnetic path on the body and produce the collision that can influence magnetic path installation stability, ensure that the magnetic path is stable, firm assembly in corresponding inlay groove, and then guarantee to salvage quality and salvage efficiency;
6. The utility model discloses a salvage the body and correspond the inlay groove through protruding envelope outer fringe on Gutter groove correspondence wall and the correspondence that constitutes, it is fixed to inlay the dress with the mode that the magnetic path outer surface is higher than Gutter groove correspondence wall, it has both effectively avoided the exposed arch of magnetic path outer fringe on Gutter groove wall, thereby it is narrow and small effectively to prevent in the pit, object in the complex space can influence the collision of magnetic path installation stability to the magnetic path production on the salvage body, it is stable at corresponding inlay inslot, firm assembly, the magnetic radiation face of effectual increase magnetic path again, strengthen the magnetic attraction of magnetic path, and then guarantee to salvage quality and salvage efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention, in which it can be seen that the magnetic blocks fixed on the side wall surfaces of both sides of the Gutter slots are aligned side by side, and each magnetic block is fixed in an enveloping embedding manner protruding from the wall surface of the Gutter slot.
3 FIG. 32 3 is 3 an 3 enlarged 3 view 3 of 3 section 3 A 3- 3 A 3 of 3 FIG. 3 1 3, 3 showing 3 that 3 each 3 magnet 3 block 3 in 3 Gutter 3 slots 3 is 3 fixed 3 in 3 an 3 enveloping 3 embedding 3 manner 3 protruding 3 from 3 Gutter 3 slot 3 wall 3 surfaces 3 and 3 locked 3 with 3 the 3 aid 3 of 3 fixing 3 screws 3. 3
FIG. 3 is an enlarged view of a portion of section B-B of FIG. 1, showing that the magnet block in the Gutter slot is fixed in an enveloping fit manner protruding from the wall of Gutter slot and locked with the aid of a fixing screw.
Fig. 4 is another schematic structural diagram of the present invention, and it can be seen that Gutter the magnetic blocks fixed on the side wall surfaces of the two sides of the slot are aligned side by side.
FIG. 5 is an enlarged view of section C-C of FIG. 4, showing that each of the magnets in the Gutter slot is fixed flush with the wall of the Gutter slot and is locked with the aid of a set screw.
FIG. 6 is an enlarged view of a portion of section D-D in FIG. 4, showing that the magnetic block in the Gutter slot is fixed in an embedded manner flush with the wall of the Gutter slot and locked with the aid of a fixing screw.
the reference numbers in the figures mean: 1, fishing a body; 2-Gutter grooves; 3-a magnetic block; 4-enveloping the outer edge; 5, fixing a screw; 6-a joint; 7-side wall face; 8-center hole.
Detailed Description
The utility model relates to an underground operation instrument of usefulness is developed to oil gas well, specifically is a strong magnetism fisher that continuous oil pipe was used, and its magnetic force thing (mainly refer to metal part and/or metal piece etc.) in the specially adapted shale gas well absorbs and salvages, and it is right with a plurality of embodiments below the utility model discloses a main part technical content carries out the detailed description. In embodiment 1, the technical contents of the present invention are clearly and specifically explained with reference to the drawings of the specification, i.e., fig. 1, fig. 2 and fig. 3, and in embodiment 2, the technical contents of the present invention are clearly and specifically explained with reference to the drawings of the specification, i.e., fig. 4, fig. 5 and fig. 6, and although the drawings are not separately drawn in other embodiments, the main structure of the embodiments can still refer to the drawings of embodiment 1 or embodiment 2.
It is expressly stated here that the drawings of the present invention are schematic, and unnecessary details have been simplified for the purpose of clarity in order to avoid obscuring the technical solutions that contribute to the prior art.
Example 1
Referring to fig. 1, 2 and 3, the present invention includes a fishing body 1 with an elongated structure, wherein the fishing body 1 has a hollow structure and a central hole 8. The fishing body 1 is axially provided with a magnetic working area and a joint 6 for butting the coiled tubing, the joint 6 is arranged at the end part of the fishing body 1, the specific structural form of the joint 6 for butting the coiled tubing is embodied on a central hole 8, and the area of the fishing body 1 outside the joint 6 is the magnetic working area. The fishing body 1 in the magnetic working area is of a triangular structure, namely three Gutter grooves 2 which are uniformly distributed at intervals are formed in the circumferential direction of the fishing body 1 in the magnetic working area; each Gutter groove 2 is formed by two flat side wall surfaces 7 and a transition surface (usually a bevel or curved surface) between the two side wall surfaces 7, and the included angle between the two side wall surfaces 7 is an obtuse angle structure, preferably 110-130 ° (e.g. 120 °).
Each of the Gutter grooves 2 is provided with the magnetic block 3 on the basis of the side wall surfaces 7 on both sides, so that the Gutter groove 2 can be used as a space for storing the absorbed and collected magnetic substance. Specifically, a plurality of embedded grooves are equidistantly and uniformly distributed on each side wall surface 7 of the Gutter groove 2 along the length direction of the Gutter groove 2 at intervals, each embedded groove is of a rectangular structure and is formed by four side enveloping outer edges 4 protruding from the side wall surface 7 of the Gutter groove 2, the four side enveloping outer edges 4 of the same embedded groove are continuously integrated on the periphery, the contour line of the enveloping outer edge 4 between the notch plane of the embedded groove and the side wall surface of the Gutter groove 2 is a smoothly-transiting concave curved surface structure, the size and the depth of the embedded groove correspond to the peripheral contour of each magnetic block 3 to be embedded, and the embedded grooves on the side wall surfaces 7 of the Gutter groove 2 are aligned side by side along the length direction of the Gutter groove 2; the magnetic blocks 3 are respectively embedded and fixed in corresponding embedded grooves in side wall surfaces 7 on two sides of the Gutter groove 2, each magnetic block 3 is fixed in the embedded groove by two fixing screws 5, the outer surface of each embedded magnetic block 3 is higher than the corresponding side wall surface 7 of the Gutter groove 2, namely the periphery of each magnetic block 3 is covered by corresponding outer enveloping edges 4, the outer enveloping edges 4 cannot completely shield radiation surfaces of magnetic force around the magnetic block 3 and can effectively prevent collision around the magnetic block 3 underground, the magnetic blocks 3 arranged on the side wall surfaces 7 on two sides of the Gutter groove 2 along the length direction of the Gutter groove 2 are arranged in a side-by-side alignment mode, and the magnetic blocks 3 on the side wall surfaces 7 on two sides of the Gutter groove 2 are kept independent.
Example 2
The utility model discloses a salvage body of elongated structure, should salvage the body for hollow structure, have the centre bore. The fishing body is axially provided with a magnetic working area and a joint for butting the coiled tubing, the joint is positioned at the end part of the fishing body, the specific structural form of the joint for butting the coiled tubing is embodied on the central hole, and the area of the fishing body outside the joint is the magnetic working area. The fishing body in the magnetic working area is of a triangular structure, namely three Gutter grooves which are uniformly distributed at intervals are formed in the circumferential direction of the fishing body in the magnetic working area; each Gutter groove is formed by two flat side wall surfaces and a transition surface (usually a bevel or curved surface) between the two side wall surfaces, and the included angle between the two side wall surfaces is an obtuse angle structure, preferably 110-130 ° (e.g., 120 °).
Each Gutter groove is provided with magnetic blocks on the basis of side wall surfaces at two sides, so that the Gutter groove can be used as a space for storing absorbed and collected magnetic objects. Specifically, a plurality of embedded grooves are arranged on each side wall surface of the Gutter groove along the length direction of the Gutter groove at intervals and are distributed at equal intervals, each embedded groove is of a rectangular structure and is formed by four side enveloping outer edges of the side wall surface protruding from the Gutter groove, the four side enveloping outer edges of the same embedded groove are continuously integrated on the periphery, the contour line of the enveloping outer edge between the notch plane of the embedded groove and the side wall surface of the Gutter groove is of an inclined surface structure, the size and the depth of each embedded groove correspond to the outer peripheral contour of each magnetic block to be embedded, and the embedded grooves on the side wall surfaces on the two sides of the Gutter groove are aligned side by side along the length direction of the Gutter groove; the magnetic blocks are respectively embedded and fixed in corresponding embedded grooves in the side wall surfaces on two sides of the Gutter groove, each magnetic block is fixed in the embedded grooves by three fixing screws, the outer surface of each embedded magnetic block is higher than the corresponding side wall surface of the Gutter groove, namely the periphery of each magnetic block is covered by the corresponding outer edge of an envelope, the outer edge of the envelope cannot completely shield the radiation surface of the magnetic force around the magnetic block and can effectively prevent the magnetic block from being collided underground, the magnetic blocks arranged on the side wall surfaces on two sides of the Gutter groove along the length direction of the Gutter groove are arranged in a side-by-side alignment mode, and the magnetic blocks on the side wall surfaces on two sides of the Gutter groove are mutually independent.
Example 3
Referring to fig. 4, 5 and 6, the present invention includes a fishing body 1 with an elongated structure, wherein the fishing body 1 has a hollow structure and a central hole 8. The fishing body 1 is axially provided with a magnetic working area and a joint 6 for butting the coiled tubing, the joint 6 is arranged at the end part of the fishing body 1, the specific structural form of the joint 6 for butting the coiled tubing is embodied on a central hole 8, and the area of the fishing body 1 outside the joint 6 is the magnetic working area. The fishing body 1 in the magnetic working area is of a triangular structure, namely three Gutter grooves 2 which are uniformly distributed at intervals are formed in the circumferential direction of the fishing body 1 in the magnetic working area; each Gutter groove 2 is formed by two flat side wall surfaces 7 and a transition surface (usually a bevel or curved surface) between the two side wall surfaces 7, and the included angle between the two side wall surfaces 7 is an obtuse angle structure, preferably 110-130 ° (e.g. 120 °).
Each of the Gutter grooves 2 is provided with the magnetic block 3 on the basis of the side wall surfaces 7 on both sides, so that the Gutter groove 2 can be used as a space for storing the absorbed and collected magnetic substance. Specifically, a plurality of embedded grooves are arranged on each side wall surface 7 of the Gutter groove 2 at equal intervals along the length direction of the Gutter groove 2, each embedded groove is of a rectangular structure and is of a concave groove structure which is concavely formed on the side wall surface of the Gutter groove 2, the size and the depth of each embedded groove correspond to the peripheral contour of each magnetic block 3 to be embedded, and the embedded grooves on the side wall surfaces 7 on two sides of the Gutter groove 2 are aligned side by side along the length direction of the Gutter groove 2; the magnetic blocks 3 are respectively embedded and fixed in corresponding embedded grooves in side wall surfaces 7 on two sides of the Gutter groove 2, each magnetic block 3 is fixed in the embedded groove by two fixing screws 5, the outer surfaces of the embedded magnetic blocks 3 are flush with the corresponding side wall surfaces 7 of the Gutter groove 2, so that collision on the periphery of the magnetic block 3 can be effectively prevented underground, the magnetic blocks 3 arranged on the side wall surfaces 7 on two sides of the Gutter groove 2 along the length direction of the Gutter groove 2 are arranged in a side-by-side alignment mode, and the magnetic blocks 3 on the side wall surfaces 7 on two sides of the Gutter groove 2 are kept independent.
Example 4
The utility model discloses a salvage body of elongated structure, should salvage the body for hollow structure, have the centre bore. The fishing body is axially provided with a magnetic working area and a joint for butting the coiled tubing, the joint is positioned at the end part of the fishing body, the specific structural form of the joint for butting the coiled tubing is embodied on the central hole, and the area of the fishing body outside the joint is the magnetic working area. The fishing body in the magnetic working area is of a triangular structure, namely three Gutter grooves which are uniformly distributed at intervals are formed in the circumferential direction of the fishing body in the magnetic working area; each Gutter groove is formed by two flat side wall surfaces and a transition surface (usually a bevel or curved surface) between the two side wall surfaces, and the included angle between the two side wall surfaces is an obtuse angle structure, preferably 110-130 ° (e.g., 120 °).
Each Gutter groove is provided with magnetic blocks on the basis of side wall surfaces at two sides, so that the Gutter groove can be used as a space for storing absorbed and collected magnetic objects. Specifically, a plurality of embedded grooves are arranged on each side wall surface of the Gutter groove at intervals along the length direction of the Gutter groove in an equidistant and uniform manner, each embedded groove is of a rectangular structure and is formed by four side enveloping outer edges of the side wall surface protruding from the Gutter groove, the four side enveloping outer edges of the same embedded groove are continuously integrated on the periphery, the contour line of the enveloping outer edge between the notch plane of the embedded groove and the side wall surface of the Gutter groove is a smoothly-transitional concave curved surface structure, the size and the depth of each embedded groove correspond to the peripheral contour of each magnetic block to be embedded, the embedded grooves on the side wall surfaces on two sides of the Gutter groove are staggered back and forth along the length direction of the Gutter groove, namely the middle area of one embedded groove on one side wall surface corresponds to the interval area of two adjacent embedded grooves on the other side wall surface; the magnetic blocks are respectively embedded and fixed in corresponding embedded grooves in the side wall surfaces on two sides of the Gutter groove, each magnetic block is fixed in the embedded groove by two fixing screws, the outer surface of each embedded magnetic block is higher than the corresponding side wall surface of the Gutter groove, namely the periphery of each magnetic block is covered by the corresponding outer edge of an envelope, the outer edge of the envelope cannot completely shield the radiation surface of the magnetic force around the magnetic block and can effectively prevent the magnetic block from being collided underground, the magnetic blocks arranged on the side wall surfaces on two sides of the Gutter groove along the length direction of the Gutter groove are arranged in a front-back staggered mode, and the magnetic blocks on the side wall surfaces on two sides of the Gutter groove are mutually independent.
Example 5
The utility model discloses a salvage body of elongated structure, should salvage the body for hollow structure, have the centre bore. The fishing body is axially provided with a magnetic working area and a joint for butting the coiled tubing, the joint is positioned at the end part of the fishing body, the specific structural form of the joint for butting the coiled tubing is embodied on the central hole, and the area of the fishing body outside the joint is the magnetic working area. The fishing body in the magnetic working area is of a triangular structure, namely three Gutter grooves which are uniformly distributed at intervals are formed in the circumferential direction of the fishing body in the magnetic working area; each Gutter groove is formed by two flat side wall surfaces and a transition surface (usually a bevel or curved surface) between the two side wall surfaces, and the included angle between the two side wall surfaces is an obtuse angle structure, preferably 110-130 ° (e.g., 120 °).
Each Gutter groove is provided with magnetic blocks on the basis of side wall surfaces at two sides, so that the Gutter groove can be used as a space for storing absorbed and collected magnetic objects. Specifically, a plurality of embedded grooves are arranged on each side wall surface of the Gutter groove at intervals in an equidistant and uniform manner along the length direction of the Gutter groove, each embedded groove is of a rectangular structure and is of a concave groove structure formed in an inwards concave manner on the side wall surface of the Gutter groove, the size and the depth of each embedded groove correspond to the peripheral contour of each magnetic block to be embedded, the embedded grooves on the side wall surfaces on two sides of the Gutter groove are staggered front and back along the length direction of the Gutter groove, namely the middle area of one embedded groove on the side wall surface on one side corresponds to the interval area of two adjacent embedded grooves on the side wall surface on the other side; the magnet blocks are respectively embedded and fixed in corresponding embedded grooves in the side wall surfaces of the Gutter grooves, each magnet block is fixed in the embedded groove by two fixing screws, the outer surfaces of the embedded magnet blocks are flush with the corresponding side wall surface of the Gutter groove, so that collision around the magnet blocks can be effectively prevented underground, the magnet blocks arranged on the side wall surfaces of the two sides of the Gutter groove along the length direction of the Gutter groove are arranged in a front-back staggered mode, and the magnet blocks on the side wall surfaces of the two sides of the Gutter groove are kept independent.
The above examples are only for illustrating the present invention and are not to be construed as limiting the same. Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: the specific technical solutions in the above embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the present invention in its essence.
Claims (9)
1. The utility model provides a high-magnetism overshot for coiled tubing, includes salvage body (1), the axial of salvage body (1) is gone up and is had magnetic force workspace and butt joint coiled tubing's joint (6), its characterized in that: the fishing body (1) of the magnetic working area is of a triangular structure, three Gutter grooves (2) are distributed at intervals in the circumferential direction, at least one magnetic block (3) is fixed on the wall surface of each Gutter groove (2), the magnetic block (3) is located in the corresponding Gutter groove (2), and the groove-shaped space of the Gutter groove (2) is used for storing, absorbing and collecting magnetic substances.
2. The strong magnetic salvaging device for the coiled tubing of claim 1, which is characterized in that: a plurality of magnetic blocks (3) are fixed in each Gutter groove (2) on the fishing body (1), and the magnetic blocks (3) are arranged at intervals along the length direction of Gutter grooves (2).
3. The strong magnetic salvaging device for coiled tubing of claim 2, wherein: each Gutter groove (2) on the salvaging body (1) is composed of two side wall surfaces (7) and a transition surface positioned between the two side wall surfaces (7), an included angle between the two side wall surfaces (7) is an obtuse angle structure, the magnetic blocks (3) fixed in the Gutter grooves (2) are distributed on the two side wall surfaces (7) of the Gutter grooves (2), and the magnetic blocks (3) on the two side wall surfaces (7) are kept independent.
4. the strong magnetic salvaging device for coiled tubing of claim 3, wherein: the magnetic blocks (3) arranged on the side wall surfaces (7) at two sides of the Gutter groove (2) along the length direction of the Gutter groove (2) are arranged in a side-by-side alignment mode.
5. The strong magnetic salvaging device for coiled tubing of claim 3, wherein: the magnetic blocks (3) arranged on the side wall surfaces (7) at two sides of the Gutter groove (2) along the length direction of the Gutter groove (2) are arranged in a front-back staggered mode.
6. The strong magnetic overshot for coiled tubing according to any one of claims 1 to 5, characterized in that: the wall surface of the Gutter groove (2) is provided with an embedded groove corresponding to the peripheral outline of each magnetic block (3), the magnetic block (3) is embedded and fixed in the corresponding embedded groove on the wall surface of the Gutter groove (2), and the outer surface of the embedded magnetic block (3) is flush with the corresponding wall surface of the Gutter groove (2).
7. The strong magnetic salvaging device for coiled tubing of claim 6, wherein: the magnetic blocks (3) are embedded and fixed in the corresponding embedded grooves through at least one fixing screw (5).
8. The strong magnetic overshot for coiled tubing according to any one of claims 1 to 5, characterized in that: the wall surface of the Gutter groove (2) is provided with an embedded groove corresponding to the peripheral outline of each magnetic block (3) by an outer edge (4) protruding from the wall surface of the Gutter groove (2), the outline molded line of the outer edge (4) between the notch plane of the embedded groove and the wall surface of the Gutter groove (2) is of an inclined plane structure or a smoothly-transiting concave curved surface structure, the magnetic block (3) is embedded and fixed in the corresponding embedded groove on the wall surface of the Gutter groove (2), and the outer surface of the embedded magnetic block (3) is higher than the corresponding wall surface of the Gutter groove (2).
9. The strong magnetic overshot for coiled tubing of claim 8, characterized in that: the magnetic blocks (3) are embedded and fixed in the corresponding embedded grooves through at least one fixing screw (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920478357.9U CN209761376U (en) | 2019-04-10 | 2019-04-10 | Strong magnetic salvager for coiled tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920478357.9U CN209761376U (en) | 2019-04-10 | 2019-04-10 | Strong magnetic salvager for coiled tubing |
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| Publication Number | Publication Date |
|---|---|
| CN209761376U true CN209761376U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920478357.9U Active CN209761376U (en) | 2019-04-10 | 2019-04-10 | Strong magnetic salvager for coiled tubing |
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| CN (1) | CN209761376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024016567A1 (en) * | 2022-07-20 | 2024-01-25 | 中国石油天然气股份有限公司 | Strong magnetic salvaging tool and strong magnetic performance testing method |
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2019
- 2019-04-10 CN CN201920478357.9U patent/CN209761376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024016567A1 (en) * | 2022-07-20 | 2024-01-25 | 中国石油天然气股份有限公司 | Strong magnetic salvaging tool and strong magnetic performance testing method |
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Effective date of registration: 20210702 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: SINOPEC Group Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: DOWNHOLE OPERATION BRANCH OF SINOPEC SOUTHWEST PETROLEUM ENGINEERING Co.,Ltd. Address before: No. 9 Jishikou Road, Chaoyang District, Beijing 100020 Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: DOWNHOLE OPERATION BRANCH OF SINOPEC SOUTHWEST PETROLEUM ENGINEERING Co.,Ltd. |