Dustproof magnetic jarring device

Abstract

The utility model relates to the technical field of jarring devices for petroleum drilling, in particular to a dustproof magnetic jarring device. The dustproof cover comprises a main dustproof cover body, a baffle is fixedly installed on the lower portion of an inner cavity of the body dustproof sleeve, a lower magnet is fixedly installed on the baffle, a sliding block is installed in the middle of the inner cavity of the body dustproof sleeve, an upper magnet is fixedly installed at the bottom of the sliding block, the upper magnet and the lower magnet are attracted together, and a spring is installed in the cavity, located above the sliding block, of the body dustproof sleeve. The lower end of the logging steel wire penetrates through the main body dustproof sleeve and the spring to be fixedly connected with the sliding block, and at least one row of flow guide holes are formed in the main body dustproof sleeve. The anti-jamming device is reasonable and compact in structure and convenient to use, after an instrument is jammed, the upper magnet and the lower magnet are rapidly separated and attracted by lifting and lowering a logging steel wire, the striking block strikes the upper portion of the main body dustproof sleeve, the jamming releasing purpose is achieved through repeated operation, the anti-jamming device has the advantages of being safe and reliable, operation is convenient, working efficiency is improved, and the anti-jamming device is suitable for popularization and application. And normal operation is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of shock devices for oil drilling, in particular to a dustproof magnetic shock device. Background Art

[0002] During the testing and adjustment of water injection wells, due to the serious scaling of the water injection wells, the downhole instruments often get stuck. During the operation, overhaul equipment is often used for treatment. However, the use of overhaul equipment for treatment is expensive, takes a long time, affects the normal operation of production, and can no longer meet the existing process requirements. Summary of the Invention

[0003] The utility model provides a dustproof magnetic shock device, which overcomes the deficiencies of the above-mentioned prior art and can effectively solve the problems of the prior art devices such as high processing costs, long processing time, affecting the normal operation of production, and being unable to meet the existing process requirements.

[0004] The technical solution of the present utility model is achieved through the following measures: a dust-proof magnetic shock device, including a main body dustproof cover and a logging wire; a baffle is fixedly installed at the lower part of the inner cavity of the main body dustproof cover, a lower magnet is fixedly installed on the baffle, a slider that can slide up and down is installed in the middle part of the inner cavity of the main body dustproof cover, an upper magnet is fixedly installed at the bottom of the slider, the upper magnet and the lower magnet are magnetically attracted together, a spring is installed in the cavity of the main body dustproof cover above the slider, the lower end of the logging wire passes through the main body dustproof cover and the spring and is fixedly connected to the slider, and at least one row of guide holes is provided on the main body dustproof cover.

[0005] The following are further optimizations and / or improvements to the above-mentioned utility model technical solution:

[0006] The bottom end surface of the slider is provided with a mounting groove, and the upper magnet is fixedly installed in the mounting groove of the slider; and an accommodating groove is provided on the upper inner wall of the main body dust cover.

[0007] A mounting hole is provided on the upper portion of the main body dust cover, and the lower end of the logging wire passes through the mounting hole of the main body dust cover and is fixedly connected to the slider.

[0008] The above-mentioned slider is integrally fixed with an impact block, the lower part of the spring is sleeved on the outside of the impact block, the lower end of the spring and the slider are fixedly connected together, the upper end of the spring and the top inner wall of the main body dust cover are fixedly connected together, and the lower end of the logging wire and the impact block are fixedly connected together.

[0009] A cross-shaped connecting rod is fixedly connected to the upper part of the impact block, a connecting head is fixedly connected to the top of the connecting rod, and the lower end of the logging wire is fixedly connected to the connecting head.

[0010] The main body dust cover is provided with four rows of guide holes at intervals along the circumference. Each row of guide holes is connected to the upper inner cavity and the middle inner cavity of the main body dust cover. Each row of guide holes includes three guide holes, and adjacent rows of guide holes are staggered.

[0011] The utility model has a reasonable and compact structure and is easy to use. When the instrument is stuck, the logging wire is lifted up and lowered, and the upper magnet and the lower magnet are quickly separated and attracted, so that the impact block hits the upper part of the main body dust cover. The repeated operation can achieve the purpose of unblocking. The utility model has the characteristics of safety and reliability, facilitates operation, improves work efficiency and ensures normal operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Attachment Figure 1 This is a schematic diagram of the main perspective structure of the upper magnet and the lower magnet in the utility model when they are magnetically attracted together.

[0013] Attachment Figure 2 This is a schematic diagram of the main perspective structure of the upper magnet and the lower magnet after magnetic separation in the utility model.

[0014] The codes in the accompanying drawings are: 1 for the main body dust cover, 2 for the logging wire, 3 for the baffle, 4 for the lower magnet, 5 for the slider, 6 for the upper magnet, 7 for the spring, 8 for the guide hole, 9 for the mounting slot, 10 for the receiving slot, 11 for the mounting hole, 12 for the impact block, 13 for the connecting rod, and 14 for the connecting head. DETAILED DESCRIPTION

[0015] The present invention is not limited by the following embodiments, and specific implementation methods can be determined based on the technical solution of the present invention and actual conditions.

[0016] In this utility model, for the convenience of description, the relative position relationship of each component is described based on the Figure 1 The layout is described in detail, such as the positional relationships of front, back, top, bottom, left, and right are based on the Figure 1 The layout direction is determined by the

[0017] The present invention will be further described below in conjunction with the embodiments and accompanying drawings:

[0018] As attached Figure 1 、 2As shown, the dustproof magnetic shock device includes a main dustproof cover 1 and a logging wire 2; a baffle 3 is fixedly installed at the lower part of the inner cavity of the main dustproof cover 1, a lower magnet 4 is fixedly installed on the baffle 3, a slider 5 that can slide up and down is installed in the middle part of the inner cavity of the main dustproof cover 1, an upper magnet 6 is fixedly installed at the bottom of the slider 5, the upper magnet 6 and the lower magnet 4 are magnetically attracted together, a spring 7 is installed in the cavity of the main dustproof cover 1 above the slider 5, the lower end of the logging wire 2 passes through the main dustproof cover 1 and the spring 7 and is fixedly connected to the slider 5, and at least one row of guide holes 8 is provided on the main dustproof cover 1. The main dust cover 1 is an inverted barrel-shaped dust cover with a blind top; the upper magnet 6 and the lower magnet 4 are publicly known and can be magnets or magnetic steels that can attract each other; in this way, when the instrument encounters a jam, the upper magnet 6 and the lower magnet 4 are quickly separated and attracted by lifting and lowering the logging wire 2, so that the impact block 12 hits the upper part of the main dust cover 1, and the operation is repeated to achieve the purpose of unblocking. It has the characteristics of safety and reliability, facilitates operation, improves work efficiency, and ensures normal operation.

[0019] The dust-proof magnetic shock device can be further optimized and / or improved according to actual needs:

[0020] As attached Figure 1 、 2 As shown, a mounting groove 9 is provided on the bottom end surface of the slider 5, and the upper magnet 6 is fixedly installed in the mounting groove 9 of the slider 5; a receiving groove 10 is provided on the upper inner wall of the main body dust cover 1. The mounting groove 9 is provided to facilitate the installation of the upper magnet 6.

[0021] As attached Figure 1 、 2 As shown, a mounting hole 11 is provided on the upper portion of the main body dust cover 1, and the lower end of the logging wire 2 passes through the mounting hole 11 of the main body dust cover 1 and is fixedly connected to the slider 5. The mounting hole 11 facilitates lifting and lowering the logging wire 2.

[0022] As attached Figure 1 、 2 As shown, an impact block 12 is integrally fixed to the top of the slider 5, the lower part of the spring 7 is sleeved on the outside of the impact block 12, the lower end of the spring 7 and the slider 5 are fixedly connected together, the upper end of the spring 7 and the top inner wall of the main body dust cover 1 are fixedly connected together, and the lower end of the logging wire 2 and the impact block 12 are fixedly connected together.

[0023] As attached Figure 1 、 2As shown, a cross-shaped connecting rod 13 is fixedly connected to the upper portion of the impact block 12. A connector 14 is fixedly connected to the top of the connecting rod 13. The lower end of the logging wire 2 is fixedly connected to the connector 14. Connector 14 is a commonly used connector and can be a wire connector. If the instrument becomes stuck, the logging wire 2 is lifted upward, and the impact block 12 strikes the upper inner wall of the main body dust cover 1, while the connector 14 is not impacted. At this time, the connector 14 is located in the receiving groove 10, which serves to protect the connector 14.

[0024] As attached Figure 1 、 2 As shown, four rows of guide holes 8 are arranged on the main dust cover 1 along the circumference, and each row of guide holes 8 is connected to the upper inner cavity and the middle inner cavity of the main dust cover 1. Each row of guide holes 8 includes three guide holes 8, and adjacent rows of guide holes 8 are staggered.

[0025] The working process of the utility model is as follows: when working, the dust-proof magnetic shock device of the utility model is installed on the upper part of the water injection well gauge or the downhole instrument. When the instrument encounters a jam, the logging wire 2 is lifted up, and the upper magnet 6 and the lower magnet 4 are quickly separated under a certain tension, the spring 7 contracts, and the impact block 12 hits the upper part of the main dust cover 1. During the lowering process of the logging wire 2, the spring 7 is reset, and the upper magnet 6 and the lower magnet 4 are magnetically attracted together again. The operation is repeated to achieve the purpose of unblocking.

[0026] The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect. Non-essential technical features can be added or removed according to actual needs to meet the requirements of different situations.

Claims

1. A dustproof magnetic shock device, characterized in that It includes a main dust cover and a logging wire; a baffle is fixedly installed at the lower part of the inner cavity of the main dust cover, a lower magnet is fixedly installed on the baffle, a slider that can slide up and down is installed in the middle part of the inner cavity of the main dust cover, an upper magnet is fixedly installed at the bottom of the slider, the upper magnet and the lower magnet are magnetically attracted together, a spring is installed in the cavity of the main dust cover above the slider, the lower end of the logging wire passes through the main dust cover and the spring and is fixedly connected to the slider, and at least one row of guide holes is provided on the main dust cover.

2. The dustproof magnetic shock device according to claim 1, characterized in that A mounting groove is provided on the bottom end surface of the slider, and the upper magnet is fixedly installed in the mounting groove of the slider; and a receiving groove is provided on the upper inner wall of the main body dust cover.

3. The dustproof magnetic shock device according to claim 1 or 2, characterized in that A mounting hole is provided on the upper portion of the main dust cover, and the lower end of the logging wire passes through the mounting hole of the main dust cover and is fixedly connected to the slider.

4. The dustproof magnetic shock device according to claim 1 or 2, characterized in that The top of the slider is fixed with an impact block, the lower part of the spring is sleeved on the outside of the impact block, the lower end of the spring is fixedly connected to the slider, the upper end of the spring is fixedly connected to the top inner wall of the main body dust cover, and the lower end of the logging wire is fixedly connected to the impact block.

5. The dustproof magnetic shock device according to claim 3, characterized in that The top of the slider is fixed with an impact block, the lower part of the spring is sleeved on the outside of the impact block, the lower end of the spring is fixedly connected to the slider, the upper end of the spring is fixedly connected to the top inner wall of the main body dust cover, and the lower end of the logging wire is fixedly connected to the impact block.

6. The dustproof magnetic shock device according to claim 1 or 2, characterized in that A cross-shaped connecting rod is fixedly connected to the upper part of the impact block, a connecting head is fixedly connected to the top of the connecting rod, and the lower end of the logging wire is fixedly connected to the connecting head.

7. The dustproof magnetic shock device according to claim 3, characterized in that A cross-shaped connecting rod is fixedly connected to the upper part of the impact block, a connecting head is fixedly connected to the top of the connecting rod, and the lower end of the logging wire is fixedly connected to the connecting head.

8. The dustproof magnetic shock device according to claim 5, characterized in that A cross-shaped connecting rod is fixedly connected to the upper part of the impact block, a connecting head is fixedly connected to the top of the connecting rod, and the lower end of the logging wire is fixedly connected to the connecting head.

9. The dustproof magnetic shock device according to claim 1 or 2, characterized in that Four rows of guide holes are arranged at intervals along the circumference of the main dust cover. Each row of guide holes is connected to the upper inner cavity and the middle inner cavity of the main dust cover. Each row of guide holes includes three guide holes, and adjacent rows of guide holes are staggered.

10. The dustproof magnetic shock device according to claim 8, characterized in that Four rows of guide holes are arranged at intervals along the circumference of the main dust cover. Each row of guide holes is connected to the upper inner cavity and the middle inner cavity of the main dust cover. Each row of guide holes includes three guide holes, and adjacent rows of guide holes are staggered.

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