CN114412405B - Electromagnetic salvaging system and method - Google Patents
Electromagnetic salvaging system and method Download PDFInfo
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- CN114412405B CN114412405B CN202210253374.9A CN202210253374A CN114412405B CN 114412405 B CN114412405 B CN 114412405B CN 202210253374 A CN202210253374 A CN 202210253374A CN 114412405 B CN114412405 B CN 114412405B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/06—Fishing for or freeing objects in boreholes or wells using magnetic means
Abstract
The application discloses an electromagnetic salvage system and an electromagnetic salvage method. An electromagnetic fishing system comprising: an overshot, comprising: the main body is internally provided with a cavity, the wall surface of the main body is provided with a through groove, and the through groove is communicated with the cavity; the electromagnetic adsorption assembly is arranged in the cavity and is used for adsorbing external metal pieces into the cavity; the bottom cup is provided with a collecting cavity which is detachably connected with the main body and communicated with the cavity; the pushing component is arranged in the cavity and is configured to move towards the bottom collecting cup and used for pushing the metal piece adsorbed by the electromagnetic adsorption component into the collecting cavity for collection. The technical scheme provided by the application can efficiently salvage the underground metal junk.
Description
Technical Field
The application relates to the technical field of underground salvage, in particular to an electromagnetic salvage system and method.
Background
Along with the increasing demands of people for high-quality life, the social demand for energy is increasing, but at the same time, the exploitation difficulty of fossil energy is also increasing along with more severe geology, storage, output and safety conditions, and higher demands are also put on drilling processes in exploitation processes of petroleum and natural gas resources such as land, the drilling processes often need to consider horizontal wells and ultra-deep well drilling technologies, metal scraps or small metal devices are often generated in the drilling processes, a large amount of metal junks suspend or deposit in the wells and damage instruments or tools in the wells, such as vertical wells, strong magnets can be put into the wells for adsorption and salvage to the ground, but if the wells are horizontal well sections, scrap iron and junks are required to be considered to be deposited, and the adsorbed junks are required to be prevented from colliding with the well walls to fall back into the wells, so that the junks of the vertical wells are more difficult to salvage.
Disclosure of Invention
The application provides an electromagnetic salvaging system and method, which can efficiently salvage underground metal junk.
The application provides an electromagnetic fishing system, comprising: an overshot, comprising: the main body is internally provided with a cavity, the wall surface of the main body is provided with a through groove, and the through groove is communicated with the cavity; the electromagnetic adsorption assembly is arranged in the cavity and is used for adsorbing external metal pieces into the cavity; a bottom cup having a collection chamber detachably connected to the main body, the collection chamber being in communication with the chamber; and the pushing assembly is arranged in the cavity, is configured to move towards the bottom collecting cup and is used for pushing the metal piece adsorbed by the electromagnetic adsorption assembly into the collecting cavity for collection.
In the embodiment of the application, the electromagnetic salvage system is used for underground salvage, and particularly, in the drilling process, the electromagnetic salvage system can salvage and recycle metal pieces (metal scraps or small metal devices or metal junks generated by drilling) suspended or deposited in a well. The fisher enters the well along with the drill rod, the electromagnetic adsorption assembly works to generate a strong magnetic field, and surrounding metal parts enter the cavity from the through groove due to magnetic force and are adsorbed on the electromagnetic adsorption assembly. After a certain amount of metal pieces are adsorbed, the pushing assembly works to push the metal pieces on the electromagnetic adsorption assembly into the bottom collecting cup, so that the electromagnetic adsorption assembly can adsorb the metal pieces around the outside again. Through the circulation work of electromagnetism adsorption component and pushing component, after the collection cup of bottom collected a certain amount of metalwork, the body can promote to ground, dismantles the collection cup of bottom and clear up behind the metalwork in it, can put into use again. Compared with the scheme that the mechanical claw is used for grabbing the metal piece or only the electromagnet is used for adsorbing the metal piece, the electromagnetic salvage system can avoid the problems that the metal piece falls off and the salvage efficiency is low, ensure that the metal piece is salvaged to the ground smoothly, and ensure the salvage efficiency of the metal piece.
Optionally, in some embodiments, the electromagnetic adsorption assembly includes a turbo-combined generator, a battery, and an excitation core; the turbine combined generator is arranged at one end of the main body, which is far away from the bottom collecting cup, and is used for generating electricity by using drilling fluid; the storage battery is arranged in the cavity and connected with the turbine combined generator for storing electric energy; the exciting core is arranged in the cavity and connected with the storage battery, and the exciting core extends to the bottom cup along the axial direction of the main body.
In the embodiment of the application, the fisher enters the well along with the drill rod, and the turbine combined generator utilizes the high-speed drilling fluid to generate electricity, so that compared with a mode of transmitting electric energy by using wires, the drilling fluid is effectively utilized, and the interference of the wires on the fisher is avoided. In the electric energy storage and the battery that turbine combination generator produced to provide the electric energy to excitation iron core, and then make excitation iron core produce strong magnetic field, with the adsorption effect to the metalwork in the pit is guaranteed to the adsorption of metal part, and then guarantees salvage efficiency.
Optionally, in some embodiments, the electromagnetic adsorption assembly further includes a strain gauge, where the strain gauge is disposed on a circumferential surface of the excitation iron core, and is configured to feed back load information of the excitation iron core.
In the embodiment of the application, the strain gage is arranged on the outer surface of the exciting iron core, when the weight of the adsorbate is overlarge, the exciting iron core generates bending moment so as to generate elastic strain, and after the strain size exceeds a set value, the adsorbate can be considered to be overlarge, namely overload information is transmitted to the storage battery control system so as to supply power to the pushing component, and the pushing component pushes the adsorbate (metal piece) to the collecting cavity. 2-4 strain gages are uniformly arranged on the coaxial section of the excitation iron core in the circumferential direction, 3-6 rows of strain gages are uniformly arranged in the axial direction, and the strain condition of the strain gages can reflect the loading condition of the excitation iron core; assuming that the adsorbate is uniformly distributed on the surface of the exciting iron core, the exciting iron core can generate bending moment with the magnitude changing along the axial direction, different stress strains can be generated at different axial sections and circumferences, when the adsorbate reaches a certain amount, two strain gauges in opposite directions can generate tensile stress with the same magnitude, and after the corresponding generated strain reaches a certain value, the adsorbate is excessive.
Optionally, in some embodiments, the pushing assembly includes a driving mechanism disposed within the chamber and connected with the battery, and a piston cylinder disposed within the chamber and coaxially disposed with the excitation core; the exciting iron core penetrates through the piston cylinder, and the driving mechanism is used for driving the piston cylinder to move along the axial direction of the main body so as to push the metal piece on the surface of the exciting iron core to the collecting cavity.
In the embodiment of the application, the storage battery supplies power to the driving mechanism, and the driving mechanism drives the piston cylinder to axially move along the main body so as to push the metal piece to the collecting cavity along the peripheral surface of the exciting iron core, so that the metal piece is prevented from falling out of the through groove, and the salvaging effect of the metal piece is ensured.
Optionally, in some embodiments, the drive mechanism comprises a motor, a gear combination, and a screw; the gear combination comprises a large gear and a small gear, the large gear is arranged on an output shaft of the motor, the small gear is meshed with the screw rod, an inner ring of the small gear is provided with threads, and the axis of the small gear is parallel to the axis of the main body; the piston cylinder can slide along the inner wall of the main body, and the end part of the screw rod is fixed on the piston cylinder.
In the embodiment of the application, the storage battery supplies electric energy to the motor, and the motor drives the large gear to rotate and drives the small gear to rotate, so that the screw rod moves along the axial direction of the main body, and the piston cylinder can further move along the axial direction of the main body, so that the metal piece is pushed into the collecting cavity.
Optionally, in some embodiments, an inner wall of the bottom cup is provided with permanent magnets.
In the embodiment of the application, the collected metal parts are firmly adsorbed by arranging the permanent magnet in the bottom collecting cup, so that the metal parts are prevented from flowing out along with liquid flow.
Optionally, in some embodiments, the electromagnetic fishing system further comprises a visual detection device; the visual detection device is arranged on the wall surface of the main body and is used for detecting the condition of surrounding metal parts and feeding back environmental information, and the electromagnetic adsorption component works based on the environmental information; and the pushing component is used for detecting the condition of the metal piece on the peripheral surface of the main body and feeding back overload information, and works based on the overload information.
In the embodiment of the application, after the fisher goes down the well, the visual detection device works and detects the surrounding environment, for example, the visual detection device enters a horizontal well section along with the fisher to detect the bottom surface height of the horizontal well in real time, when the relative bottom surface height of a certain well section is continuously higher than a certain set value, a great amount of scrap iron and falling objects are considered to be deposited at the position, the environmental information is fed back, the control system of the storage battery supplies power to the exciting iron core based on the environmental information, and then the surrounding metal parts are adsorbed. After a certain period of adsorption, or the visual detection device detects whether the adsorbate on the surface of the main body is accumulated outside the main body from the through groove, if the accumulation height exceeds the outer peripheral surface of the main body, the metal pieces are considered to be excessive, namely overload information is transmitted to a control system of the storage battery, and the pushing assembly starts to work.
Optionally, the visual inspection device is provided with an infrared generator, and the generator emits infrared rays to the inspection direction; the infrared ray is reflected on the surface of the detection object, a photosensitive instrument in the visual detection device receives the reflected signal immediately, and the distance between the detection object and the detection device can be judged through the reflected signal, so that the fisher can move based on the judged distance.
In a second aspect, the application provides an electromagnetic salvaging method, comprising:
providing an electromagnetic fishing system, the electromagnetic fishing system comprising:
the main body is internally provided with a cavity, the wall surface of the main body is provided with a through groove, and the through groove is communicated with the cavity;
the electromagnetic adsorption assembly is arranged in the cavity and is used for adsorbing external metal pieces into the cavity;
a bottom cup having a collection chamber detachably connected to the main body, the collection chamber being in communication with the chamber;
the pushing assembly is arranged in the cavity and is configured to move towards the bottom collecting cup and used for pushing the metal piece adsorbed by the electromagnetic adsorption assembly into the collecting cavity for collection;
the fisher goes down the well;
the electromagnetic adsorption component works, and the underground metal piece is adsorbed into the cavity by the through groove and is arranged on the surface of the electromagnetic adsorption component;
the pushing component works to push the metal piece on the surface of the electromagnetic adsorption component into the bottom collecting cup.
Optionally, in some embodiments, the electromagnetic salvaging system further includes a visual detection device, configured to be disposed on a wall surface of the main body, and configured to detect a metal part condition of an ambient environment and feed back environmental information, and the electromagnetic absorption component works based on the environmental information; and the pushing component is used for detecting the condition of the metal piece on the peripheral surface of the main body and feeding back overload information, and works based on the overload information.
Optionally, in some embodiments, the electromagnetic adsorption assembly includes a turbo-combined generator, a battery, an excitation core, and a strain gauge;
the turbine combined generator is arranged at one end of the main body, which is far away from the bottom collecting cup, and is used for generating electricity by using drilling fluid; the storage battery is arranged in the cavity and connected with the turbine combined generator for storing electric energy; the exciting iron core is arranged in the cavity and connected with the storage battery, and the exciting iron core extends towards the bottom cup collection along the axial direction of the main body; the strain gauge is arranged on the peripheral surface of the excitation iron core and used for feeding back the loaded information of the excitation iron core;
the push component operates based on the overload information.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of an overshot in some embodiments of the application;
FIG. 2 is a schematic diagram of an excitation core according to some embodiments of the present application;
FIG. 3 is a schematic diagram of a driving mechanism according to some embodiments of the present application;
FIG. 4 is a schematic illustration of a body in some embodiments of the application;
FIG. 5 is a flow chart of an electromagnetic salvaging method according to some embodiments of the present application;
FIG. 6 is a schematic flow chart of an electromagnetic salvaging method according to other embodiments of the present application.
Icon: 10-metal piece; 1-a visual inspection device; 2-turbine combined generator; 3-a storage battery; 4-exciting iron core; 401-exciting coil; 402-strain gage; 5-a piston cylinder; 501-a screw; 6-collecting cups at the bottom; 7-an electric motor; 8-gear combination; 801-pinion gear; 9-a main body; 902-through slots.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present application, it should be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on those shown in the drawings, or those conventionally put in place when the product of the application is used, or those conventionally understood by those skilled in the art, merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the embodiments of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
The technical scheme of the application will be described below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic diagram of an overshot according to some embodiments of the application.
The electromagnetic salvaging system comprises a salvaging device, wherein the salvaging device comprises a main body 9, an electromagnetic adsorption assembly, a bottom cup collection 6 and a pushing assembly. The interior of the main body 9 has a chamber, and the wall surface of the main body 9 has a through groove 902, and the through groove 902 communicates with the chamber. The electromagnetic adsorption component is arranged in the cavity and is used for adsorbing external metal pieces into the cavity. The bottom cup 6 has a collection chamber, the bottom cup 6 is detachably connected with the main body 9, and the collection chamber communicates with the chamber. The pushing component is arranged in the cavity and is configured to move towards the bottom collecting cup 6, and is used for pushing the metal piece adsorbed by the electromagnetic adsorption component into the collecting cavity for collection.
In the embodiment of the application, the electromagnetic salvage system is used for underground salvage, and particularly, in the drilling process, the electromagnetic salvage system can salvage and recycle metal pieces (metal scraps or small metal devices or metal junks generated by drilling) suspended or deposited in a well. The fisher enters the well along with the drill rod, the electromagnetic adsorption assembly works to generate a strong magnetic field, and surrounding metal parts enter the cavity from the through groove 902 due to magnetic force and are adsorbed on the electromagnetic adsorption assembly. After a certain amount of metal pieces are adsorbed, the pushing component works to push the metal pieces on the electromagnetic adsorption component into the bottom collecting cup 6, so that the electromagnetic adsorption component can adsorb the metal pieces around the outside again. Through the circulation work of electromagnetism adsorption component and pushing components, after bottom collection cup 6 collected a certain amount of metalwork, the body can promote to ground, dismantles the metalwork in the clearance in with bottom collection cup 6, can put into use again. Compared with the scheme that the mechanical claw is used for grabbing the metal piece or only the electromagnet is used for adsorbing the metal piece, the electromagnetic salvage system can avoid the problems that the metal piece falls off and the salvage efficiency is low, ensure that the metal piece is salvaged to the ground smoothly, and ensure the salvage efficiency of the metal piece.
Optionally, the bottom cup 6 and the main body 9 may be connected by threads, so as to facilitate the disassembly of the bottom cup 6 and the cleaning of the metal parts collected by the bottom cup 6.
In some embodiments of the present application, the electromagnetic adsorption assembly includes a turbo-combined generator 2, a storage battery 3, and an excitation core 4. The turbine combined generator 2 is arranged at one end of the main body 9, which is away from the bottom cup 6, and is used for generating electricity by using drilling fluid. A battery 3 is provided in the chamber and connected to the turbo-generator 2 for storing electrical energy. The exciting core 4 is provided in the chamber, and is connected to the battery 3, and the exciting core 4 extends toward the bottom cup 6 along the axial direction of the main body 9.
In the embodiment of the application, the fisher enters the well along with the drill rod, and the turbine combined generator 2 generates power by using high-speed drilling fluid, so that compared with a mode of transmitting electric energy by using wires, the drilling fluid is effectively utilized, and the interference of the wires on the fisher is avoided. The turbine combined generator 2 generates electric energy which is stored in the storage battery 3 to provide electric energy for the exciting iron core 4 (the exciting coil 401 on the exciting iron core 4), so that the exciting iron core 4 generates a strong magnetic field to adsorb underground metal parts, the adsorption effect on the metal parts is guaranteed, and the salvaging efficiency is further guaranteed.
Optionally, in some embodiments, please refer to fig. 2, fig. 2 is a schematic diagram of the field core 4 in some embodiments of the present application.
The electromagnetic adsorption assembly further comprises a strain gauge 402, wherein the strain gauge 402 is arranged on the peripheral surface of the exciting iron core 4 and is used for feeding back loading information of the exciting iron core 4.
In the embodiment of the application, the strain gauge 402 is installed on the outer surface of the exciting iron core 4, when the weight of the adsorbate is excessive, the exciting iron core 4 generates bending moment, so that elastic strain is generated, after the strain is over a set value, the adsorbate can be considered to be excessive, namely overload information is transmitted to the control system of the storage battery 3, so as to supply power to the pushing component, and the pushing component pushes the adsorbate (metal piece) to the collecting cavity. 2-4 strain gages 402 are uniformly circumferentially arranged on the coaxial section of the excitation iron core 4, 3-6 rows of strain gages 402 are uniformly axially arranged, and the strain condition of the strain gages 402 can reflect the loading condition of the excitation iron core 4; assuming that the adsorbate is uniformly distributed on the surface of the exciting iron core 4, the exciting iron core 4 generates bending moment with variable magnitude along the axial direction, the bending moment generates different stress strains at different axial sections and circumferences, when the adsorbate reaches a certain amount, the two strain gauges 402 in opposite directions generate tensile stress with the same magnitude, and after the corresponding generated strain reaches a certain value, the adsorbate is excessive.
In some embodiments of the present application, please refer to fig. 1 and fig. 3, fig. 3 is a schematic diagram of a driving mechanism according to some embodiments of the present application. The pushing assembly comprises a driving mechanism and a piston cylinder 5, the driving mechanism is arranged in the cavity and connected with the storage battery 3, and the piston cylinder 5 is arranged in the cavity and is coaxially arranged with the exciting iron core 4; the exciting iron core 4 penetrates through the piston cylinder 5, and the driving mechanism is used for driving the piston cylinder 5 to move along the axial direction of the main body 9 so as to push the metal piece on the surface of the exciting iron core 4 to the collecting cavity.
According to some embodiments of the application, the storage battery 3 supplies power to the driving mechanism, and the driving mechanism drives the piston cylinder 5 to axially move along the main body 9 so as to push the metal parts to the collecting cavity along the peripheral surface of the exciting iron core 4, so that the metal parts are prevented from being separated from the through groove 902, and the salvaging effect of the metal parts is ensured.
In some embodiments of the present application, as shown in fig. 3, the driving mechanism includes a motor 7, a gear combination 8, and a screw 501; the gear combination 8 comprises a large gear and a small gear 801, the large gear is arranged on the output shaft of the motor 7, the small gear 801 is meshed with the screw 501, the inner ring of the small gear 801 is provided with threads, and the axis of the small gear 801 is parallel to the axis of the main body 9; the piston cylinder 5 is slidable along the inner wall of the main body 9, and the end of the screw 501 is fixed to the piston cylinder 5.
In some embodiments of the present application, the battery 3 provides electric power to the motor 7, and the motor 7 drives the large gear to rotate and drives the small gear 801 to rotate, so that the screw 501 moves along the axial direction of the main body 9, and further, the piston cylinder 5 can move along the axial direction of the main body 9, so as to push the metal part into the collecting cavity. Alternatively, the number of the screws 501 and the pinions 801 is four, and the four screws 501 can stably push the piston cylinder 5 to move.
In some embodiments of the application, the inner wall of the bottom cup 6 is provided with permanent magnets.
In the embodiment of the application, the collected metal parts are firmly adsorbed by arranging the permanent magnet in the bottom collecting cup 6, so that the metal parts are prevented from flowing out along with liquid flow.
Referring to fig. 1 in combination with fig. 4, fig. 4 is a schematic diagram of a main body 9 according to some embodiments of the present application. The electromagnetic fishing system further comprises a visual detection device 1. The vision detection device 1 is arranged on the wall surface of the main body 9 and is used for detecting the condition of a metal piece in the surrounding environment and feeding back the environment information, and the electromagnetic adsorption component works based on the environment information. The visual inspection device 1 can also be used for detecting the condition of metal pieces on the peripheral surface of the main body 9 and feeding back overload information, and the pushing component works based on the overload information.
In the embodiment of the application, after the fisher goes down the well, the visual detection device 1 works and detects the surrounding environment, for example, the visual detection device 1 enters a horizontal well section along with the fisher to detect the bottom surface height of the horizontal well in real time, when the relative bottom surface height of a certain well section is continuously higher than a certain set value, a great amount of scrap iron and falling objects are considered to be deposited at the position, the environmental information is fed back, the control system of the storage battery 3 is based on the environmental information, the storage battery 3 supplies power to the exciting iron core 4, and then the surrounding metal parts are adsorbed. After a certain period of time of adsorption, or stated otherwise, the visual detection device 1 detects whether the adsorbate on the surface of the main body 9 has accumulated outside the main body 9 from the through groove 902 (see the metal piece 10 in fig. 4), if the accumulation height exceeds the outer peripheral surface of the main body 9, the metal piece can be considered to be too much, that is, overload information is transmitted to the control system of the storage battery 3, and the pushing assembly starts to work.
Optionally, the visual inspection device 1 is provided with an infrared generator which emits infrared rays in the inspection direction; the infrared ray is reflected on the surface of the detected object, the photosensitive instrument in the visual detection device 1 receives the reflected signal immediately, and the distance between the detected object and the detection device can be judged through the reflected signal, so that the fisher can move based on the judged distance.
It should be noted that some embodiments of the present application further provide an electromagnetic salvaging method, and referring to fig. 5, fig. 5 is a schematic flow chart of the electromagnetic salvaging method in some embodiments of the present application.
The method comprises the following steps:
s1, providing an electromagnetic salvaging system, wherein the electromagnetic salvaging system comprises a salvaging device, and the salvaging device comprises a main body 9, an electromagnetic adsorption assembly, a bottom cup collection 6 and a pushing assembly. The interior of the main body 9 has a chamber, and the wall surface of the main body 9 has a through groove 902, and the through groove 902 communicates with the chamber. The electromagnetic adsorption component is arranged in the cavity and is used for adsorbing external metal pieces into the cavity. The bottom cup 6 has a collection chamber, the bottom being detachably connected to the main body 9 and the collection chamber being in communication with the chamber. The pushing component is arranged in the cavity and is configured to move towards the bottom collecting cup 6, and is used for pushing the metal piece absorbed by the electromagnetic absorption component into the collecting cavity to collect
S2, the fisher goes down the well;
s3, the electromagnetic adsorption assembly works, and the underground metal piece is adsorbed into the cavity through the through groove 902 and is arranged on the surface of the electromagnetic adsorption assembly;
s4, the pushing assembly works to push the metal piece on the surface of the electromagnetic adsorption assembly into the bottom collecting cup 6.
In other embodiments of the present application, the electromagnetic salvaging system further includes a visual detection device 1, configured to be disposed on a wall surface of the main body 9, and configured to detect a metal part condition of a surrounding environment and feed back environmental information, where the electromagnetic absorption assembly works based on the environmental information; and the pushing component is used for detecting the condition of the metal piece on the peripheral surface of the main body 9 and feeding back overload information, and works based on the overload information.
In some embodiments, please refer to fig. 6, fig. 6 is a flow chart of an electromagnetic salvaging method according to another embodiment of the present application.
The method comprises the following steps:
s11, providing an electromagnetic salvage system;
s12, the fisher goes down the well;
s13, the visual detection device 1 works, detects the condition of a metal piece in the surrounding environment and feeds back environment information;
s14, the electromagnetic adsorption assembly works based on environmental information, and the underground metal piece is adsorbed into the cavity through the through groove 902 and is arranged on the surface of the electromagnetic adsorption assembly;
s15, the visual detection device 1 works, detects the condition of metal pieces on the peripheral surface of the main body 9 and feeds back overload information;
s16, pushing the metal piece on the surface of the electromagnetic adsorption assembly to the bottom cup collection 6 based on overload information.
Optionally, when the permanent magnet is disposed in the bottom cup 6, it may further include:
s17, the permanent magnet in the bottom collecting cup 6 adsorbs the collected metal pieces.
In still other embodiments of the present application, the electromagnetic adsorption assembly includes a turbo-combined generator 2, a battery 3, an excitation core 4, and a strain gage 402; the turbine combined generator 2 is arranged at one end of the main body 9, which is far away from the bottom collecting cup 6, and is used for generating electricity by using drilling fluid; the storage battery 3 is arranged in the cavity and connected with the turbine combined generator 2 for storing electric energy; the exciting iron core 4 is arranged in the cavity and connected with the storage battery 3, and the exciting iron core 4 extends to the bottom cup collection 6 along the axial direction of the main body 9; the strain gauge 402 is disposed on the circumferential surface of the exciting core 4, and is used for feeding back the loading information of the exciting core 4; the push component operates based on the overload information.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (4)
1. An electromagnetic fishing system, comprising:
an overshot, comprising:
the main body is internally provided with a cavity, the wall surface of the main body is provided with a through groove, and the through groove is communicated with the cavity;
the electromagnetic adsorption assembly is arranged in the cavity and is used for adsorbing external metal pieces into the cavity; the electromagnetic adsorption assembly comprises a turbine combined generator, a storage battery and an excitation iron core; the storage battery is arranged in the cavity and connected with the turbine combined generator for storing electric energy;
a bottom cup having a collection chamber detachably connected to the main body, the collection chamber being in communication with the chamber; the turbine combined generator is arranged at one end of the main body, which is far away from the bottom collecting cup, and is used for generating electricity by using drilling fluid; the exciting iron core is arranged in the cavity and connected with the storage battery, and the exciting iron core extends towards the bottom cup collection along the axial direction of the main body; the electromagnetic adsorption assembly further comprises a strain gauge, wherein the strain gauge is arranged on the peripheral surface of the excitation iron core and used for feeding back loading information of the excitation iron core;
the pushing assembly is arranged in the cavity and is configured to move towards the bottom collecting cup, and is used for pushing the metal piece adsorbed by the electromagnetic adsorption assembly into the collecting cavity to be collected, the pushing assembly comprises a driving mechanism and a piston cylinder, the driving mechanism is arranged in the cavity and is connected with the storage battery, and the piston cylinder is arranged in the cavity and is coaxially distributed with the excitation iron core; the exciting iron core penetrates through the piston cylinder, the driving mechanism is used for driving the piston cylinder to move along the axial direction of the main body so as to push the metal piece on the surface of the exciting iron core to the collecting cavity, and the driving mechanism comprises a motor, a gear combination and a screw rod; the gear combination comprises a large gear and a small gear, the large gear is arranged on an output shaft of the motor, the small gear is meshed with the screw rod, an inner ring of the small gear is provided with threads, and the axis of the small gear is parallel to the axis of the main body; the piston cylinder can slide along the inner wall of the main body, and the end part of the screw rod is fixed on the piston cylinder.
2. The electromagnetic fishing system of claim 1, wherein the electromagnetic fishing system is configured to control the electromagnetic fishing system,
the inner wall of the bottom collecting cup is provided with a permanent magnet.
3. An electromagnetic fishing system as claimed in claim 1 or 2, wherein,
the electromagnetic salvage system also comprises a visual detection device;
the visual detection device is arranged on the wall surface of the main body and is used for detecting the condition of surrounding metal parts and feeding back environmental information, and the electromagnetic adsorption component works based on the environmental information;
and the pushing component is used for detecting the condition of the metal piece on the peripheral surface of the main body and feeding back overload information, and works based on the overload information.
4. An electromagnetic fishing method employing the electromagnetic fishing system of claim 1, the method comprising:
the fisher goes down the well;
the electromagnetic adsorption component works, and the underground metal piece is adsorbed into the cavity by the through groove and is arranged on the surface of the electromagnetic adsorption component;
the pushing component works to push the metal piece on the surface of the electromagnetic adsorption component into the bottom collecting cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210253374.9A CN114412405B (en) | 2022-03-15 | 2022-03-15 | Electromagnetic salvaging system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210253374.9A CN114412405B (en) | 2022-03-15 | 2022-03-15 | Electromagnetic salvaging system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114412405A CN114412405A (en) | 2022-04-29 |
| CN114412405B true CN114412405B (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202210253374.9A Active CN114412405B (en) | 2022-03-15 | 2022-03-15 | Electromagnetic salvaging system and method |
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| CN112761563A (en) * | 2021-01-27 | 2021-05-07 | 中煤科工集团西安研究院有限公司 | Special electromagnetic salvage device for electromagnetic salvage system of large-diameter engineering well |
| CN113294111A (en) * | 2021-07-27 | 2021-08-24 | 山东柏源技术有限公司 | Fishing equipment for oilfield downhole operation and working method thereof |
| CN214330574U (en) * | 2021-01-04 | 2021-10-01 | 四川中宏瑞石油机械工程有限公司 | Strong magnetic salvager for coiled tubing |
| CN215812764U (en) * | 2021-06-18 | 2022-02-11 | 广东源创检测技术有限公司 | River bottom sediment heavy metal detection auxiliary device |
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| NO338348B1 (en) * | 2015-03-31 | 2016-08-08 | Norse Oiltools As | Well cleaning tool and use of tool |
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| CN101748984A (en) * | 2009-12-13 | 2010-06-23 | 西南石油大学 | Well blowout preventer mounted in drilling column and automatically controlled in well |
| CN109225622A (en) * | 2018-10-19 | 2019-01-18 | 中石化石油工程技术服务有限公司 | Adsorbent equipment is used in magnetic fluid collection in drilling and repairing well operation |
| CN214330574U (en) * | 2021-01-04 | 2021-10-01 | 四川中宏瑞石油机械工程有限公司 | Strong magnetic salvager for coiled tubing |
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| CN114412405A (en) | 2022-04-29 |
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