Control pipeline cleaner

Abstract

The utility model provides a control pipeline cleaner, which belongs to the technical field of oil and gas well completion, well repair and well discarding, and comprises a limiting bolt, a fixing bolt, a rubber ring and a body, the body comprises two fastening components, the two fastening components are respectively arranged at the upper end and the lower end of the rubber ring, and the limiting bolt is arranged on the rubber ring. The two fastening assemblies are detachably connected together through a fixing bolt, and meanwhile a limiting bolt is further connected between the two fastening assemblies. The device is simple in structure and convenient to operate, and pollutants on the control pipeline can be effectively removed.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil and gas well completion, workover and abandoned well technical field especially relates to a control pipeline cleaner. BACKGROUND

[0002] In the conventional oil and gas well completion, workover and abandoned well process, the downhole control pipeline is taken out with the pollutants such as crude oil and sewage, and the scattered crude oil and sewage during the recovery of the control pipeline will accumulate on the drilling platform, catwalk and deck, which is easy to cause environmental pollution, affect the on-site construction operation, and increase the cleaning difficulty. At present, when the downhole control pipeline is taken out, personnel usually use oil-absorbing felt to wipe the pipeline to remove the oil stains brought by the pipeline, but there are problems such as incomplete oil scraping and occupation of manpower.

[0003] Therefore, there is a lack of a tool that can effectively remove the pollutants on the outer wall of the control pipeline in the prior art to solve the problem of environmental pollution caused by the pollutants such as crude oil and sewage brought out by the downhole control pipeline during the taking out of the downhole control pipeline, achieve the purpose of environmental protection, and improve the operation efficiency. SUMMARY

[0004] Therefore, the utility model aims at providing a control pipeline cleaner which is simple in structure, convenient to operate, and can effectively remove the pollutants on the outer wall of the control pipeline during the taking out of the downhole control pipeline.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows: a control pipeline cleaner includes a limiting bolt, a fixing bolt, a rubber ring and a body, the body includes two fastening assemblies, the two fastening assemblies are respectively arranged at the upper and lower ends of the rubber ring, the two fastening assemblies are detachably connected together through the fixing bolt, and the limiting bolt is further connected between the two fastening assemblies.

[0006] Further, the limiting bolt and the fixing bolt are both screw rod structures, and the two ends of the limiting bolt and the two ends of the fixing bolt are respectively provided with nuts.

[0007] Further, the rubber ring is a two-piece structure, that is, it is composed of two structures to form a complete rubber ring structure, and the rubber ring is provided with an oil scraping hole at the center position.

[0008] Further, the material of the rubber ring is natural rubber or nitrile rubber.

[0009] Further, the fastening assembly includes a first part and a second part, the two ends of the first part are oppositely arranged with the two ends of the second part, and the first part and the second part are detachably connected, and the limiting bolt is installed at the middle position of the first part and the middle position of the second part.

[0010] The control pipeline cleaner has the following advantages relative to the prior art:

[0011] (1) The utility model discloses simple structure, low cost, convenient operation, easy maintenance.

[0012] (2) The utility model discloses utilize the spacing bolt to be able to effectively realize spacing to rubber ring, make rubber ring pressure control pipeline to realize scraping crude oil, sewage and so on, cooperate and use the recovery bucket under the cleaner, can realize oil stain recovery, do not pollute the well mouth, satisfy the environmental protection requirement.

[0013] (3) After installing the control pipeline cleaner of the utility model on the control pipeline, the oil scraping hole can closely adhere to the control pipeline, and the oil, sewage and other pollutants on the outer wall of the control pipeline can be automatically scraped off when the control pipeline is pulled out, without the need for additional manpower to clean the oil stains on the outer wall of the control pipeline, which not only simplifies the operation process and improves the cleaning effect of the pipeline, but also improves the oil and gas well completion, workover and abandonment efficiency, and effectively saves manpower.

[0014] (4) The utility model discloses setting up different models of rubber rings, which are suitable for control pipelines of different sizes and models, have strong universality and wide adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments of the application will be best understood by reference to the drawings, wherein:

[0016] Fig. 1 It is a front view of the control pipeline cleaner of the utility model embodiment.

[0017] Fig. 2 It is a top view of the control pipeline cleaner of the utility model embodiment.

[0018] BRIEF DESCRIPTION OF DRAWINGS

[0019] 1, spacing bolt, 2, fixed bolt, 3, rubber ring, 4, body, 5, oil scraping hole, 6, first part, 7, second part. DETAILED DESCRIPTION

[0020] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0021] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0022] As Figs. 1-2As shown, the utility model is a kind of control pipeline cleaner, including limiting bolt 1, fixed bolt 2, rubber ring 3 and body 4, the rubber ring 3 is placed in body 4, the body 4 includes two fastening components, two fastening components are respectively arranged in the upper and lower ends of rubber ring 3, two fastening components are detachably connected together by fixed bolt 2, the existence of fixed bolt 2, can effectively connect rubber ring 3 and two fastening components together, and rubber ring 3 is fixed in body 4, simultaneously, limiting bolt 1 is also connected between two fastening components, preferably, limiting bolt 1 is arranged at the position of the outer wall of rubber ring 3, the existence of limiting bolt 1, can effectively limit the radial displacement of rubber ring 3, avoid radial deviation of rubber ring 3 when working, cooperate with the use of fixed bolt 2, ensure that rubber ring 3 is more firm, reliable in body 4, ensure that rubber ring 3 is firmly fixed in body 4, to improve cleaning effect. Specifically, the fastening component includes first part 6 and second part 7, the two ends of first part 6 are oppositely arranged with the two ends of second part 7, and first part 6 and second part 7 are detachably connected, specifically, the two ends of first part 6 and second part 7 are respectively provided with connecting through holes, when first part 6 and second part 7 are connected, the two ends of second part 7 are overlapped together with the two ends of first part 6, and the connecting through holes of the two ends of first part 6 are aligned with the connecting through holes of the two ends of second part 7, then fixed bolt 2 is sequentially inserted into the connecting through holes of first part 6 and second part 7 of the upper and lower fastening components, the connection of first part 6 and second part 7 is realized by fixed bolt 2, and the connection of the upper and lower fastening components is also realized. Limiting bolt 1 is installed at the middle position of first part 6 and the middle position of second part 7 respectively. First part 6 and second part 7 form a circular structure after cooperation, the inner diameter size of the circular structure is less than the outer diameter size of rubber ring 3, which can effectively prevent rubber ring 3 from being pulled out of body 4, and the side of the circular structure in contact with rubber ring 3 is provided with a boss structure, the existence of the boss can effectively limit the radial movement of rubber ring 3. In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features.

[0023] The limiting bolt 1 and the fixing bolt 2 are both screw rod structures, and the two ends of the limiting bolt 1 and the two ends of the fixing bolt 2 are respectively provided with nuts. The two ends are provided with nut connections, and are matched with the upper and lower structures of the fastening assembly, so that the upper end and the lower end of the cleaner are not distinguished during the assembly of the control pipeline cleaner, thereby effectively improving the convenience and efficiency of operation.

[0024] The fixing bolt 2 can provide a hanging point. Specifically, after the two ends of the fixing bolt 2 are respectively provided with nuts, there will be a section of exposed screw rod structure. The exposed screw rod structure can be matched with a hanging pipeline (such as a steel wire rope with a threaded connector) to be hung on a fixed point of a drilling platform, so that the control pipeline cleaner can be hung on the fixed point. The hanging pipeline, the steel wire rope and the fixed point are all prior art.

[0025] The rubber ring 3 is a two-piece structure, that is, two structures are spliced together to form a complete rubber ring 3 structure. The rubber ring 3 is provided with an oil scraping hole 5 at the center position. During actual use, the control pipeline is placed in the oil scraping hole 5, and the oil scraping hole 5 can be tightly fitted with the outer wall of the control pipeline. The size of the rubber ring 3 is matched with the size of the body 4. The rubber ring 3 is provided with different sizes. The outer diameters of the rubber rings 3 of different sizes are the same, but the sizes of the oil scraping holes 5 provided inside are different. Different sizes of the oil scraping holes 5 correspond to different sizes of the control pipelines, such as 1 / 2'', 3 / 8'', 1 / 4'' and the like. Therefore, different sizes of the rubber rings 3 can be replaced to adapt to 1 / 2'', 3 / 8'', 1 / 4'' and the like different sizes of the control pipelines. Different sizes of the control pipelines are prior art.

[0026] The material of the rubber ring 3 is natural rubber or nitrile rubber.

[0027] During the operation of pulling out the downhole control pipeline, the body 4 of the cleaner is opened at a suitable position, the control pipeline is placed in the oil scraping hole 5, the rubber ring 3 is buckled, the oil scraping hole 5 is tightly fitted with the outer wall of the control pipeline, then the fastening assembly is adjusted, the inner wall of the boss on the fastening assembly is fitted with the outer wall of the rubber ring 3, then the nut on the fixing bolt 2 is tightened to ensure that the fixing bolt 2 is tightened, one end of the steel wire rope is connected with the hanging point on the fixing bolt 2, and the other end is connected with the fixed point, then the nut on the limiting bolt 1 is tightened to tightly fit the oil scraping hole 5 of the rubber ring 3 with the outer wall of the control pipeline, and a dirty oil recovery bucket is placed below the control pipeline cleaner to recover the oil stains. As the control pipeline pulls out the cleaner, the oil, sewage and other pollutants on the outer wall of the control pipeline can be automatically scraped off, without the need for additional manpower to separately wipe and clean the oil stains on the outer wall of the control pipeline. Not only can the oil stains be prevented from scattering on the drilling platform, catwalk or deck, but also manpower is effectively saved, thereby achieving the purposes of environmental protection and efficient operation.

[0028] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A control line cleaner characterized by: Including limit bolt (1), fixed bolt (2), rubber ring (3) and body (4), the body (4) includes two fastening assemblies, two fastening assemblies are arranged at the upper and lower ends of the rubber ring (3) respectively, two fastening assemblies are detachably connected together through the fixed bolt (2), meanwhile, the limit bolt (1) is also connected between the two fastening assemblies; The limit bolt (1) and the fixed bolt (2) are both screw rod structures, the two ends of the limit bolt (1) and the two ends of the fixed bolt (2) are respectively provided with nuts;After the two ends of the fixed bolt (2) are installed with nuts, the two ends of the fixed bolt (2) will have a section of exposed screw rod structure; The fastening assembly includes a first part (6) and a second part (7), the first part (6) and the second part (7) are matched to form a circular ring structure, the side of the circular ring structure in contact with the rubber ring (3) is provided with a boss structure, and the inner wall of the boss structure is attached to the outer wall of the rubber ring (3).

2. The control line cleaner of claim 1, wherein: The rubber ring (3) is a two-piece structure, that is, two structures are spliced together to form a complete rubber ring (3) structure, and an oil scraping hole (5) is arranged at the center position of the rubber ring (3).

3. The control line cleaner of claim 2, wherein: The material of the rubber ring (3) is natural rubber or nitrile rubber.

4. The control line cleaner of claim 1, wherein: The two ends of the first part (6) are oppositely arranged with the two ends of the second part (7), and the first part (6) and the second part (7) are detachably connected, and the limit bolt (1) is installed at the middle position of the first part (6) and the middle position of the second part (7) respectively.

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