Falling object processing device and fallen object salvaging device

Abstract

The embodiment of the invention provides a fallen object processing device and a fallen object salvaging device, and belongs to the technical field of underground fallen object salvaging, the fallen object processing device comprises a driving device and a drill rod connected with the driving device, and the drill rod is sequentially provided with a jar, a salvaging cup and a milling shoe; the milling shoe is located at the end, away from the driving device, of the drill rod. The fishing cup is located at the position, close to the milling shoe, of the drill rod, and the jar is located at the position, close to the fishing cup, of the drill rod. Wherein the fishing cup is located between the jar and the milling shoe, the fishing cup is provided with a containing space, and the containing space is used for containing deposits generated by jar of the jar; the driving device is used for driving the drill rod to drive the milling shoe to process falling objects. According to the fallen object treatment device and the fallen object salvaging device, the fallen object salvaging efficiency can be improved.

Description

Technical Field

[0001] This application relates to the technical field of downhole fishing, and more particularly, to a downhole object handling device and a downhole fishing device. Background Art

[0002] As various oil fields in China gradually enter the middle and late stages of exploitation, the oil field exploitation environment is becoming increasingly harsh, and some downhole operation accidents often occur, directly affecting the construction efficiency and quality of downhole operations. At the same time, during the drilling process, problems such as drill pipe fracture and electric pump falling often occur due to abnormal geological conditions, improper operation, and low drill pipe quality. The downhole object is at the bottom of several thousand meters, affecting the cutting of the drill bit and preventing further drilling, and even causing more serious drilling accidents, requiring downhole object fishing. Therefore, the downhole object fishing operation technology plays a crucial role in restoring normal production operations. Currently, in the downhole object fishing operation, for the situation of poor wellbore conditions and complex downhole objects, the efficiency of fishing for downhole objects is low, and the operation well becomes a waste well because the downhole objects cannot be efficiently fished out. Summary of the Invention

[0003] This application aims to provide a downhole object handling device and a downhole fishing device, aiming to improve the efficiency of downhole object fishing. A first aspect of this application provides a downhole object handling device, including: A driving device and a drill pipe connected to the driving device, and a shocker, a fishing cup, and a milling shoe are sequentially arranged on the drill pipe; The milling shoe is located at one end of the drill pipe away from the driving device; The fishing cup is located on the drill pipe near the milling shoe, and the shocker is located on the drill pipe near the fishing cup; Wherein, the fishing cup is located between the shocker and the milling shoe, and the fishing cup has an accommodation space for accommodating the debris generated by the shock of the shocker; The driving device is used to drive the drill pipe to drive the milling shoe to handle the downhole object. Optionally, the device further includes a magnetic attracting member; The magnetic attracting member is arranged on the drill pipe and is located between the shocker and the fishing cup; The magnetic attracting member is used to adsorb some of the debris scattered by the shock of the shocker. Optionally, the magnetic attracting member includes a magnetic rod, and the magnetic rod is sleeved on the drill pipe. Optionally, the diameter of the magnetic attracting member is larger than the diameter of the shocker. Optionally, the fishing cup includes a connecting shaft and a cup body circumferentially arranged along the connecting shaft. An accommodation space is formed between the cup body and the connecting shaft. One end of the cup body close to the mill shoe is closed, and one end of the cup body close to the jar is open. Optionally, the diameter of the cup body is greater than the diameter of the jar. Optionally, the device further includes a heavy drill pipe; First joints and second joints are respectively arranged at two ends of the heavy drill pipe. One end of the drill pipe away from the mill shoe is connected to the first joint, and the second joint is connected to the driving device. Optionally, the device further includes a safety sub; The drill pipe includes a first pipe body and a second pipe body. The first pipe body is connected to the driving device, the second pipe body is connected to the first pipe body, and the jar, the magnetic part, the fishing cup and the mill shoe are all located on the second pipe body; The safety sub is arranged between the first pipe body and the second pipe body, and the safety sub is respectively connected to the first pipe body and the second pipe body. In a second aspect of the embodiments of the present application, a lost object fishing device is provided, including a lost object processing device provided in the first aspect of the embodiments of the present application. Beneficial effects: A lost object processing device and a lost object fishing device provided in the present application include a driving device and a drill pipe connected to the driving device. A jar, a fishing cup and a mill shoe are sequentially arranged on the drill pipe. Among them, the mill shoe is located at one end of the drill pipe away from the driving device, the fishing cup is located at a position on the drill pipe close to the mill shoe, and the jar is located at a position on the drill pipe close to the fishing cup. Moreover, the fishing cup is located between the mill shoe and the jar. The fishing cup has an accommodation space for accommodating the deposits generated by the jarring of the jar. The driving device is used to drive the drill pipe to drive the mill shoe to process the lost object. In the embodiments of the present application, for the downhole objects that cannot be directly fished up by fishing tools, the downhole object treatment device is first used to treat the downhole objects. When the driving device drives the drill pipe to drive the mill shoe to treat the downhole objects in the downhole object treatment device, the shock force generated by the shocker will disperse the accumulations on the wellbore wall, such as sand or rock blocks. The accommodating space of the fishing cup can accommodate these accumulations that are dispersed by the shocker and fall off. After the treatment of the downhole objects is completed, when the downhole object treatment device is taken out of the well, the accumulations accommodated in the fishing cup can also be taken out along with the downhole object treatment device. When treating the downhole objects, by adding a shocker and a fishing cup, the downhole object treatment device can clean the accumulations in the surrounding environment of the downhole objects while treating the downhole objects. These accumulations can also be taken out of the well along with the downhole object treatment device, making it easier to fish out the downhole objects, without having to perform an operation to clean the surrounding environment of the downhole objects again after the treatment of the downhole objects is completed, thereby reducing the downhole object treatment time and improving the downhole object fishing efficiency. Brief Description of the Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the description of the embodiments of the present application will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. Figure 1 is a schematic structural diagram of a downhole object treatment device proposed in an embodiment of the present application; Figure 2 is a schematic structural diagram of a fishing cup in a downhole object treatment device proposed in an embodiment of the present application; Figure 3 is a schematic structural diagram of a surface support device in a downhole object fishing device proposed in an embodiment of the present application; Figure 4 is a schematic structural diagram of an internal fishing device in a downhole object fishing device proposed in an embodiment of the present application. Description of the Reference Numerals: 1. Driving device; 2. Drill pipe; 21. First rod body; 22. Second rod body; 3. Shocker; 4. Fishing cup; 41. Connecting shaft; 42. Cup body; 5. Mill shoe; 6. Downhole object; 7. Magnetic attracting member; 8. Heavy drill pipe; 9. Safety joint; 10. Drill collar; 11. Production casing; 12. Technical casing; 13. Surface casing; 14. Liquid storage tank; 15. Drilling fluid; 16. Infusion pipe; 17. Centrifugal pump; 18. Internal fishing member; 19. Over-milling member; 191. Corrugated internal tooth mill shoe; 192. Alloy over-milling head. Detailed Embodiments The technical solutions in 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. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts shall fall within the protection scope of the present application. In the related art, when a dropped object cannot be directly salvaged, a dropped object treatment device is required to treat the dropped object. However, during this process, some accumulations on the wellbore around the dropped object are not treated, resulting in a situation where the dropped object cannot be salvaged due to the accumulations on the wellbore after the treatment of the dropped object. At this time, it is necessary to perform another treatment work on the accumulations on the wellbore, which increases the treatment time of the dropped object and results in low efficiency of dropping object salvage. In view of this, an embodiment of the present application provides a dropped object treatment device and a dropped object salvage device. Embodiment 1 An embodiment of the present application discloses a dropped object treatment device, as Figure 1 shown. The dropped object treatment device includes a driving device 1 and a drill pipe 2 connected to the driving device 1. A shocker 3, a fishing cup 4, and a mill shoe 5 are sequentially arranged on the drill pipe 2. Among them, the mill shoe 5 is arranged at one end of the drill pipe 2 away from the driving device 1. The driving device 1 drives the drill pipe 2 to drive the mill shoe 5 to treat the dropped object 6. The driving device 1 can be a drilling rig. When the dropped object 6 cannot be directly salvaged, first use the mill shoe 5 in the dropped object treatment device to perform a milling operation on the dropped object 6, that is, use the mill shoe 5 to drill the accumulations around the dropped object 6, such as rock blocks and sand and gravel; through the milling operation, the dropped object 6 is not buried by the accumulations and is more completely exposed for salvage. If the dropped object 6 still cannot be salvaged after the milling operation, then use the mill shoe 5 to perform a grinding operation on the dropped object 6, that is, use the mill shoe 5 to polish the surface of the dropped object 6 so that the dropped object 6 is easier to salvage. Specifically, if the gap between the mill shoe 5 and the wellbore of the working well is too large, when the mill shoe 5 is operating, the mill shoe 5 will tilt and damage the working well, causing the working well to have a windowing situation. After the working well has a window, more accumulations such as sand and rock blocks will pour into the well, making the accumulations around the dropped object 6 more and making it more difficult to salvage the dropped object 6. Therefore, in practical applications, the size of the mill shoe 5 can be adjusted to reduce the gap between the mill shoe 5 and the wellbore, so as to reduce the probability of the working well having a windowing situation during the operation of the mill shoe 5 and improve the efficiency of dropped object treatment. Specifically, as Figure 1 and Figure 2As shown, the fishing cup 4 is located on the drill pipe 2 near the mill shoe 5, the jar 3 is located on the drill pipe 2 near the fishing cup 4, and the fishing cup 4 is located between the jar 3 and the mill shoe 5. The fishing cup 4 has an accommodating space, and the diameter of the fishing cup 4 is larger than that of the jar 3. The fishing cup 4 includes a connecting shaft 41 and a cup body 42 arranged circumferentially along the connecting shaft 41. An accommodating space is formed between the cup body 42 and the connecting shaft 41. Both ends of the connecting shaft 41 are respectively connected to the drill pipe 2, and one end of the cup body 42 close to the mill shoe 5 is closed, and one end of the cup body 42 close to the jar 3 is open. When using the fishing tool for milling or reaming operations on the fishing object 6, the jar 3 and the fishing cup 4 are combined to clean up accumulations such as rock fragments and sand. The jar 3 can generate a jarring effect, which can shake off the accumulations on the wellbore wall around the jar 3. Also, because the diameter of the fishing cup 4 is larger than that of the jar 3, the accommodating space of the fishing cup 4 can catch the accumulations shaken off by the jar 3 while the jar 3 is jarring. After the treatment of the fishing object 6 is completed, these accumulations are taken out of the well together with the fishing tool. In this way, while treating the fishing object 6, the accumulations on the wellbore wall can be cleaned up and taken out of the well, so that when fishing for the fishing object 6, the fishing object 6 will not be stuck by the accumulations on the wellbore wall. Therefore, after the treatment of the fishing object, there is no need to separately clean the accumulations on the wellbore wall, thus reducing the operation steps for treating the fishing object, reducing the time for treating the fishing object, and improving the efficiency of fishing for the fishing object. Furthermore, as Figure 1 shown, a magnetic attracting member 7 can also be provided on the drill pipe 2 of the fishing tool, and the magnetic attracting member 7 is located between the jar 3 and the fishing cup 4, and the diameter of the magnetic attracting member 7 is larger than that of the jar 3. Specifically, the magnetic attracting member 7 has magnetism. When the fishing tool treats the fishing object 6, the jarring effect generated by the jar 3 can shake off the accumulations on the wellbore wall. Because the diameter of the magnetic attracting member 7 is larger than that of the jar 3, the magnetic attracting member 7 can adsorb some of the shaken-off accumulations, such as iron blocks. By adding the magnetic attracting member 7, when the fishing tool treats the fishing object, more of the accumulations shaken off by the jar 3 can be taken out of the well by the fishing cup 4 and the magnetic attracting member 7, making the environment around the fishing object 6 cleaner, making it easier to fish for the fishing object, and improving the efficiency of fishing for the fishing object. In one embodiment, the magnetic attracting member 7 can be a magnetic rod, and the magnetic rod is sleeved on the drill pipe 2. In the embodiment of the present application, as Figure 1 shown, the fishing tool may further include a heavy drill pipe 8. First joints and second joints are respectively provided at both ends of the heavy drill pipe 8. The first joint is connected to the end of the drill pipe 2 far from the mill shoe 5, and the second joint is connected to the driving device 1. When lowering the downhole operation, if the inclination angle between the falling object handling device and the operation well is too large, the milling shoe 5 of the falling object handling device will be inclined at too large an angle during the operation, which will damage the operation well. The operation well will have a windowing situation. After the operation well has a window, accumulations such as sand, mud, and rock blocks will enter the well, making the environment around the falling object more complex. In severe cases, the operation well will become a useless well. The first joint and the second joint of the heavy drill pipe 8 are longer than the joints at both ends of the drill pipe 2, and the weight of the heavy drill pipe 8 is heavier than that of the drill pipe 2. By adding the heavy drill pipe 8, the weight of the entire falling object handling device can be increased. Therefore, the heavy drill pipe 8 can also make the well deviation angle of the falling object handling device during downhole operation smaller than that of the falling object handling device with only the drill pipe 2 during downhole operation, reducing the probability of the milling shoe 5 of the falling object handling device causing windowing of the operation well. Thus, the time for the falling object handling device to handle the falling object can be shortened, and the efficiency of falling object fishing can be improved. In the embodiment of the present application, as Figure 1 shown, the falling object handling device further includes a drill collar 10. The drill collar 10 is arranged on the drill pipe 2 at a position close to the shock absorber 3, and the drill collar 10 is located between the heavy drill pipe 8 and the shock absorber 3. The wall thickness of the drill collar 10 is large (generally 38 - 53 mm, which is 4 - 6 times the wall thickness of the drill pipe 2), and the drill collar 10 also has a large gravity and stiffness. After the falling object handling device is provided with the drill collar 10, during the operation, the drill collar 10 can reduce the amplitude of vibration, swing, and jump of the milling shoe 5, enabling the milling shoe 5 to work more smoothly. The drill collar 10 can also reduce the well deviation angle of the entire device. When the falling object handling device is operating, if the well deviation angle is too large or the amplitude of vibration, swing, and jump of the milling shoe 5 is too large, it will cause the milling shoe 5 to damage the operation well and result in the windowing of the operation well. The setting of the drill collar 10 can reduce the probability of the falling object handling device causing windowing of the operation well during the operation. In the embodiment of the present application, as Figure 1 shown, the falling object handling device further includes a safety joint 9. The drill pipe 2 in the falling object handling device includes a first pipe body 21 and a second pipe body 22. The first pipe body 21 can be directly connected to the driving device 1, and the first pipe body 21 can also be connected to the heavy drill pipe 8, and then the heavy drill pipe 8 is connected to the driving device 1. The second pipe body 22 is connected to the first pipe body 21. The drill collar 10, the shock absorber 3, the magnetic part 7, the fishing cup 4, and the milling shoe 5 are all located on the second pipe body 22. The safety joint 9 is arranged between the first pipe body 21 and the second pipe body 22, and the safety joint 9 is respectively connected to the first pipe body 21 and the second pipe body 22. During long-term operation, the drill pipe 2 of the falling object handling device will be worn, and the most easily worn part is the first rod body 21 of the drill pipe 2 connected to the driving device 1. When the drill pipe 2 is worn, if the drill pipe 2 is not replaced, the force of the falling object handling device for handling the falling object will become smaller, which will further increase the time for the falling object handling device to handle the falling object, thereby reducing the efficiency of the falling object handling device in handling the falling object. Therefore, it is necessary to replace the drill pipe 2. When replacing the drill pipe 2, if there is no safety joint, all the equipment installed on the drill pipe 2 needs to be removed, and then all the equipment needs to be reinstalled on the new drill pipe 2. Such a replacement step takes a long time, which further prolongs the entire time for handling the falling object. The setting of the safety joint 9 enables the direct separation of the safety joint 9 on the drill pipe 2 from the first rod body 21 when the drill pipe 2 is worn. Only the first rod body 21 needs to be replaced, and the equipment on the second rod body 22 does not need to be removed. The new first rod body 21 is reconnected to the safety joint 9. Such a replacement step reduces the steps of removing all the equipment installed on the drill pipe 2 and then reinstalling it, and takes a short time. Moreover, when replacing the drill pipe 2, since only part of the rod body needs to be replaced, the operation is more convenient. The safety joint 9 can prevent the wear of the drill pipe 2 from affecting the progress of the entire falling object handling device in handling the falling object, thereby improving the operation efficiency of the falling object handling device. Embodiment 2 Based on the same inventive concept, the embodiment of the present application discloses a falling object fishing device, which includes the falling object handling device provided in the first embodiment of the present application. The falling object fishing device further includes a ground support device and an internal fishing device. The falling object handling device, the ground support device, and the internal fishing device are used in combination to complete the entire work of fishing for falling objects. As Figure 3 shown, the ground support device includes an oil layer casing 11, a technical casing 12, a surface casing 13, a liquid storage tank 14, drilling fluid 15, a centrifugal pump 17, and an infusion pipe 16. Among them, the oil layer casing 11, the technical casing 12, and the surface casing 13 are all perpendicular to the ground, and the three casings are parallel to each other. The oil layer casing 11 is adjacent to the drill pipe, the technical casing 12 is adjacent to the oil layer casing 11, the surface casing 13 is adjacent to the technical casing 12. The liquid storage tank 14 and the centrifugal pump 17 are adjacently arranged on the ground. The liquid storage tank 14 is arranged at one end of the infusion pipe 16, and the infusion pipe 16 passes through the centrifugal pump 17. The other end of the infusion pipe 16 far from the liquid storage tank 14 is arranged in the gap between the oil layer casing 11 and the drill pipe in the wellbore. Specifically, the liquid storage tank 14 is used to store the drilling fluid 15, and the infusion pipe 16 is used to transport the drilling fluid 15 stored in the liquid storage tank 14 to the annulus space between the oil layer casing 11 and the drill pipe in the working well. The centrifugal pump 17 is used to transport the drilling fluid 15 in the liquid storage tank 14, and can also increase the pressure of the transported drilling fluid 15. The ground support device is used in conjunction with the fallen object handling device. When the fallen object handling device is performing milling or grinding operations on the fallen objects, the rocks, sand and gravel deposits around the fallen objects will be drilled out and dropped during milling, and the fallen objects will be ground to produce ground objects during milling. The ground support device transports the drilling fluid 15 to the annulus between the oil layer casing 11 and the drill pipe 2. Because the centrifugal pump 17 increases the pressure of the transported drilling fluid 15, the drilling fluid 15 will wash the fallen deposits and ground objects up into the salvage cup 4 or be attracted by the magnetic suction component 7, and then be taken out of the well together with the fallen object handling device, making the environment around the fallen object 6 cleaner, making the fallen object 6 easier to salvage, and improving the efficiency of salvaging fallen objects. like Figure 4 As shown, after the fallen object handling device handles the fallen objects, the fallen object handling device is taken out, and the internal scooping device is placed in the working well, and the ground support device remains unchanged. The internal scooping device includes a driving device 1 and a weighted drill rod 8 connected to the driving device 1, the weighted drill rod 8 is connected to the first rod body 21 of the drill rod 2, the second rod body 22 of the drill rod 2 is sequentially provided with a drill collar 10, an internal scooping piece 18 and a sleeve milling piece 19, and the sleeve milling piece 19 is arranged at one end of the second rod body 22, the internal scooping piece 18 is located between the drill collar 10 and the sleeve milling piece 19, a safety joint 9 is arranged between the first rod body 21 and the second rod body 22, and the safety joint 9 is respectively connected to the first rod body 21 and the second rod body 22. Among them, the sleeve milling part 19 includes a corrugated internal tooth milling shoe 191 and an alloy sleeve milling head 192. The sleeve milling part 19 can remove deposits such as cement, sediment, gypsum and calcium carbonate crystals in the annular space in the working well, so as to salvage the fallen objects more quickly and improve the salvage efficiency of the fallen objects. The inner scooping device is placed into the working well, and the sleeve milling part 19 and the inner scooping part 18 in the inner scooping device are combined with each other so that the inner scooping part 18 can scoop up the fallen object 6, and the fallen object 6 is taken out of the well together with the inner scooping device, completing the fallen object salvage work. After the salvage is completed, the cementing quality needs to be checked to ensure that the subsequent production operations can be carried out normally. Specifically, the reservoir is processed, the oil layer casing 11 is checked, and the cementing quality is retested by pressure testing the oil layer casing 11. After the retest is completed, the reservoir is sealed with ultra-fine cement and a cement plug is injected. Then, a monitoring string is placed in the operating well, and an annular space between each layer of casing in the operating well is filled with annular protection fluid. The annular protection fluid can form an alkaline environment and has anti-corrosion properties. It will not corrode the casing and play a role in protecting the casing. Finally, the pressure of the annular space between each layer of casing (i.e., annular pressure) is monitored with a monitoring string to monitor whether the annular pressure value exceeds the safety pressure value. After the salvage of fallen objects is completed, the quality of cementing can be ensured by treating the reservoir and monitoring the wellbore, so that the operating well can carry out safe production operations in the future. In the embodiment of the present application, first, the operator accurately judges and determines the location, shape and number of objects in the operating well by using methods such as probing, visual probes and lead molds. The operator then investigates and studies the type of the top of the object (i.e., fish top) based on the obtained location information, shape information and number information of the object, combined with the previous operation situation, and then processes different special salvage tools for different types of fish tops. Next, the operators use specially processed salvage tools to salvage the fallen objects and check whether the fallen objects can be directly salvaged out of the operating well using the salvage tools. If the processed salvage tool cannot salvage the fallen object directly, it is necessary to use the fallen object handling device to perform a milling operation on the fallen object. After the milling operation is completed, the fallen object is salvaged with an internal salvage tool to check whether the fallen object can be salvaged after the milling operation. After the fallen object handling device performs the milling operation on the fallen object, if the fallen object still cannot be salvaged, the fallen object handling device will continue to perform the grinding operation on the fallen object, that is, the surface of the top of the fallen object will be ground. After the milling operation is completed, the fallen objects are then salvaged using the internal salvaging device in the fallen object salvaging device, that is, the sleeve milling part and the internal salvaging part are combined to salvage the fallen objects, so that the fallen objects are taken out of the well together with the internal salvaging device. After the fallen objects are successfully salvaged, in order to ensure the safety of subsequent operations in the operating well, it is necessary to inspect the oil layer casing in the operating well. First, the oil layer casing is pressure tested to re-test the cementing quality, then ultra-fine cement is used to seal the reservoir, and finally a cement plug is injected into the wellbore. Next, a monitoring string is placed in the operating well to monitor the operating well. The annular space between the layers of casing in the operating well is filled with annular protection fluid. The annular protection fluid can form an alkaline environment and has anti-corrosion properties. It will not corrode the casing and play a role in protecting the casing. Then, the pressure of the annular space between the layers of casing is monitored to see if the pressure in the annular space exceeds the safety pressure value. The fallen object salvage device provided in the embodiment of the present application uses a fallen object handling device to handle the fallen objects when the fallen objects cannot be salvaged directly. When the fallen object handling device is operating, it not only handles the fallen objects, but also handles the accumulation in the surrounding environment of the fallen objects. When the fallen object handling device completes the processing, the accumulation around the fallen objects will also be brought out of the well together with the fallen object handling device. This step will shorten the fallen object handling time, and then shorten the fallen object salvage time, thereby improving the efficiency of fallen object salvage. It should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other. It should also be noted that in this text, the orientation or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings. This is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application. In addition, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations, nor can they be construed as indicating or implying relative importance. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or terminal device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or terminal device. Without further limitation, an element defined by the statement "comprising one..." does not exclude the existence of additional identical elements in the process, method, article or terminal device comprising the element. The technical solutions provided in the present application have been introduced in detail above. Specific examples are used in this text to elaborate on the principles and implementation manners of the present application. The description of the above embodiments is only for helping to understand the present application, and the content of this specification should not be construed as a limitation to the present application. At the same time, for those of ordinary skill in the art, based on the present application, there will be various forms of changes in the specific implementation manners and application scopes. It is not necessary and impossible to list all the implementation manners here, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A downhole object handling device, characterized in that, Comprising: A driving device and a drill pipe connected to the driving device, wherein a jar, a fishing cup and a mill shoe are sequentially arranged on the drill pipe; The mill shoe is located at one end of the drill pipe away from the driving device; The fishing cup is located on the drill pipe near the mill shoe, and the jar is located on the drill pipe near the fishing cup; Wherein, the fishing cup is located between the jar and the mill shoe, and the fishing cup has an accommodating space for accommodating the deposits generated by the jarring of the jar; The driving device is used to drive the drill pipe to drive the mill shoe to process the dropped object.

2. The lost object handling device according to claim 1, characterized in that, The device further includes a magnetic attracting member; The magnetic attracting member is arranged on the drill pipe and is located between the jar and the fishing cup; The magnetic attracting member is used to adsorb part of the deposits scattered and dropped by the jar.

3. The falling object handling device according to claim 2, wherein The magnetic attracting member includes a magnetic rod sleeved on the drill pipe.

4. The falling object disposal device according to claim 2, wherein The diameter of the magnetic attracting member is larger than the diameter of the jar.

5. The falling object handling device according to claim 1, characterized in that, The fishing cup includes a connecting shaft and a cup body arranged circumferentially along the connecting shaft. An accommodating space is formed between the cup body and the connecting shaft. One end of the cup body close to the mill shoe is closed, and one end of the cup body close to the jar is open.

6. The lost object handling device according to claim 5, wherein The diameter of the cup body is larger than the diameter of the jar.

7. The lost object handling device according to any one of claims 1-6, characterized in that, The device further includes a heavy drill pipe; Both ends of the heavy drill pipe are respectively provided with a first joint and a second joint. One end of the drill pipe away from the mill shoe is connected to the first joint, and the second joint is connected to the driving device.

8. The falling object handling device according to any one of claims 1-6, characterized in that, The device further includes a safety sub; The drill pipe includes a first rod body and a second rod body. The first rod body is connected to the driving device, and the second rod body is connected to the first rod body. The jar, the magnetic attracting member, the fishing cup and the mill shoe are all located on the second rod body; The safety sub is arranged between the first rod body and the second rod body, and the safety sub is respectively connected to the first rod body and the second rod body.

9. A fishing tool for fishing lost objects, characterized in that, Comprising the dropped object processing device according to any one of claims 1-8.

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