Adjusting device for wellhead cutting support

Abstract

The adjusting device comprises an adjusting assembly and a clamping part, the adjusting assembly comprises a telescopic column, a connecting piece and a vertically-arranged supporting cylinder, part of the telescopic column is arranged in the supporting cylinder, the side portion of the telescopic column is provided with a plurality of first connecting holes formed in the axis direction of the telescopic column, and the clamping part is arranged in the first connecting holes. The side portion of the supporting cylinder is provided with a plurality of second connecting holes formed in the axis direction of the supporting cylinder, the connecting pieces penetrate through the second connecting holes and the first connecting holes to connect the supporting cylinder with the telescopic column, the top end of the telescopic column is connected with the clamping part, and the clamping part is clamped on the outer surface of the cutting support. According to the adjusting device, the gun head can effectively cut a wellhead cutting point for a long time, the problem of pressure drop of the oil cylinder caused by the adoption of an excavator is solved, the stability of wellhead cutting is improved, the emergency rescue speed is high, and the emergency disposal efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of well repairing operation, and concretely relates to an adjusting device for wellhead cutting support. BACKGROUND

[0002] The security and fire center of the oil field takes well control emergency rescue as the main task, quickly disposes the occurred accidents and timely provides powerful guarantee to ensure the safety production of the oil field. Wellhead cutting is an important link of well control emergency rescue, and is usually carried out in the following mode: the tail end of the cutting support is connected with the fracturing truck, and water is boosted in the fracturing truck, the pipeline of the cutting support is used to transport the stone pomegranate sand in the fracturring truck to the cutting gun head at the front end of the cutting support, and the high-speed jet flow sprayed by the cutting gun head is used to cut the wellhead. In actual operation, the excavator is hung at the middle point of the cutting support, and the height of the cutting support is adjusted by the up and down movement of the long arm to align the wellhead cutting point. Since the cutting support transports high-pressure stone pomegranate sand at a long distance, the front end of the cutting support and the gun head are unstable due to high-pressure shaking, and the gun head cannot effectively cut the wellhead cutting point for a long time due to the pressure drop of the oil cylinder of the excavator, which causes cutting misalignment and seriously affects the cutting rescue task. SUMMARY

[0003] One purpose of the utility model is to provide an adjusting device for wellhead cutting support, which can enable the gun head to effectively cut the wellhead cutting point for a long time, avoid the pressure drop of the oil cylinder caused by the excavator, improve the stability of cutting the wellhead, and improve the speed of rescue and the efficiency of emergency disposal.

[0004] According to the utility model, an adjusting device for wellhead cutting support is provided, which comprises an adjusting assembly and a clamping part. The adjusting assembly comprises telescopic columns, connecting pieces and a vertically arranged support cylinder. Part of the telescopic columns is arranged inside the support cylinder. The side of the telescopic column has a plurality of first connecting holes arranged along the axis direction thereof. The side of the support cylinder has a plurality of second connecting holes arranged along the axis direction thereof. The connecting pieces pass through the second connecting holes and the first connecting holes to connect the support cylinder and the telescopic column. The top end of the telescopic column is connected with the clamping part. The clamping part is clamped to the outer surface of the cutting support.

[0005] In a preferred embodiment, the second connecting holes and the first connecting holes are threaded holes, and the connecting pieces are hand wheel bolts.

[0006] In a preferred embodiment, the adjusting device comprises two adjusting assemblies. The two adjusting assemblies are arranged at the two ends of the lower surface of the clamping part.

[0007] In a preferred embodiment, the column segments of the two telescopic columns extending out of the support cylinder are connected by a first support rod.

[0008] In a preferred embodiment, the two support cylinders are connected by a second support rod, which is parallel to the first support rod.

[0009] In a preferred embodiment, the first connecting holes are arranged in a straight line on the side of the telescopic column, and the second connecting holes are arranged in a straight line on the side of the support cylinder.

[0010] In a preferred embodiment, the distance between adjacent second connecting holes is the same.

[0011] In a preferred embodiment, the distance between adjacent first connecting holes is the same.

[0012] In a preferred embodiment, the clamping part includes an adjusting member, a first clamping piece, and a second clamping piece arranged directly above the first clamping piece, and the adjusting member passes through and is threadedly connected with the second clamping piece and the first clamping piece.

[0013] In a preferred embodiment, the bottom end of the support cylinder is fixedly arranged on the upper surface of the base.

[0014] The utility model has at least the following technical effects:

[0015] According to the utility model, the adjusting assembly and the clamping part are provided, and the adjusting assembly comprises a telescopic column, a connecting piece, and a vertically arranged support cylinder. Part of the telescopic column is arranged inside the support cylinder, the side of the telescopic column has a plurality of first connecting holes arranged along the axial direction thereof, the side of the support cylinder has a plurality of second connecting holes arranged along the axial direction thereof, the connecting piece passes through the second connecting hole and the first connecting hole to connect the support cylinder and the telescopic column, the top end of the telescopic column is connected with the clamping part, and the clamping part is clamped to the outer surface of the cutting support. Since the clamping part is clamped to the outer surface of the cutting support, the length of the telescopic column inserted into the support cylinder can be adjusted according to the height of the well mouth to be cut, and the telescopic column and the support cylinder are fixed through the connecting piece, so that the gun head of the cutting support can effectively cut the well mouth cutting point for a long time, the problem of cylinder pressure drop caused by the use of excavators is avoided, the stability of cutting the well mouth is improved, the rescue speed is fast, and the emergency disposal efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The overall structure schematic diagram of the adjusting device for the well mouth cutting support according to one embodiment of the utility model is schematically shown.

[0017] In the present application, all the drawings are schematic drawings, which are only used to illustrate the principles of the utility model, and are not drawn according to the actual proportion. DETAILED DESCRIPTION

[0018] The technical solutions of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are some of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0020] In the utility model, unless otherwise explicitly specified and limited, the term "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through an intermediate medium; it can be internal communication of two elements or mutual action relationship of two elements. For those skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0021] As Figure 1 As shown in the utility model, the adjusting device 100 for wellhead cutting support includes an adjusting assembly, the adjusting assembly includes telescopic columns 2, connecting pieces 7 and a vertically arranged support cylinder 1, part of the telescopic columns 2 is arranged inside the support cylinder 1, the side of the telescopic column 2 has a plurality of first connecting holes (not shown in the drawing) arranged along the axial direction thereof, the side of the support cylinder 1 has a plurality of second connecting holes 11 arranged along the axial direction thereof, the connecting pieces pass through the second connecting holes 11 and the first connecting holes to connect the support cylinder 1 and the telescopic column 2, part of the telescopic column 2 extends from the top of the support cylinder 1, and the top end of the telescopic column 2 is connected with a clamping part 5, the clamping part 5 is clamped to the outer surface of the cutting support (not shown in the drawing).

[0022] According to the utility model, provide the adjusting assembly and clamping part 5, adjusting assembly includes: telescopic column 2, connecting piece 7 and vertical setting support cylinder 1. Part telescopic column 2 is arranged in the inside of support cylinder 1, and the side portion of telescopic column 2 has a plurality of first connecting holes along its axial direction arrangement, and the side portion of support cylinder 1 has a plurality of second connecting holes 11 along its axial direction arrangement, and connecting piece passes through second connecting hole 11, first connecting hole to connect support cylinder 1 with telescopic column 2, and the top end of telescopic column 2 is connected clamping part 5, and clamping part 5 is clamped to the outer surface of cutting support. Since clamping part 5 is clamped to the outer surface of cutting support, and the length of telescopic column 2 inserted into the inside of support cylinder 1 can be adjusted according to the height of the wellhead to be cut and fixed by connecting piece, so that the gun head of the cutting support can effectively cut the wellhead cutting point for a long time, avoiding the problem of cylinder pressure drop caused by excavator, improving the stability of cutting wellhead, and the speed of emergency rescue is fast and the emergency disposal efficiency is high.

[0023] In one or more embodiments, the second connecting hole 11 and the first connecting hole are both threaded holes, and the connecting piece 7 is a hand wheel bolt.

[0024] In one or more embodiments, the support cylinder 1 is fixedly arranged on the upper surface of the base 3. The base 3 is configured as a hexagonal steel plate, and optionally, the support cylinder 1 is connected with the base 3 through a latch.

[0025] In one or more embodiments, the adjusting device 100 for the wellhead cutting support includes two adjusting assemblies, which are respectively arranged at both ends of the lower surface of the clamping part 5.

[0026] In one or more embodiments, the telescopic columns 2 of the two adjusting assemblies are connected through the column segments of the support cylinder 1 and the first support rod 4. Optionally, the two telescopic columns 2 are integrally connected through the first support rod 4.

[0027] In one or more embodiments, the support cylinders 1 of the two adjusting assemblies are connected through the second support rod 6, and the second support rod 6 is parallel to the first support rod 4. Optionally, the two support cylinders 1 are integrally connected through the second support rod 6.

[0028] In one or more embodiments, the plurality of first connecting holes are uniformly arranged in a linear form on the side portion of the telescopic column 2, and the plurality of second connecting holes 11 are uniformly arranged in a linear form on the side portion of the support cylinder 1.

[0029] In one or more embodiments, the distance between adjacent second connecting holes 11 is the same. Optionally, the distance between adjacent second connecting holes 11 is 10 cm.

[0030] In one or more embodiments, the distance between adjacent first connecting holes is the same. Optionally, the distance between adjacent first connecting holes is 10 cm.

[0031] In one or more embodiments, the clamping part 5 comprises an adjusting member 8, a first clamping piece 51 and a second clamping piece 52 arranged directly above the first clamping piece 51, the first clamping piece 51 and the second clamping piece 52 are structurally identical, and the first clamping piece 51 and the second clamping piece 52 are used to clamp the segment of the cutting support close to the gun head. The adjusting member 8 passes through the second clamping piece 52 and the first clamping piece 51 and is screwed with both. By screwing the adjusting member 8, the distance between the second clamping piece 52 and the first clamping piece 51 can be adjusted to clamp the cutting support to prevent it from jumping and improve the stability of the cutting support. The adjusting member 8 can be a hand wheel bolt. The two ends of the first clamping piece 51 and the second clamping piece 52 are respectively provided with bolts for fixing the clamping part 5 to the fixing point of the cutting support.

[0032] Although the utility model has been described with reference to the preferred embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the technical features mentioned in each embodiment can be combined in any way. The utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An adjustment device for a wellhead cutting support, characterized in that, The utility model relates to a cutting support device, including: Adjusting assembly and clamping part, the adjusting assembly includes: telescopic column, connecting piece and vertical setting support cylinder, part telescopic column is arranged in the inside of support cylinder, the side of telescopic column has a plurality of first connecting hole along its axial direction arrangement, the side of support cylinder has a plurality of second connecting hole along its axial direction arrangement, connecting piece passes through second connecting hole, first connecting hole to connect support cylinder with telescopic column, the top end of telescopic column is connected clamping part, and clamping part is clamped to the outer surface of cutting support.

2. An adjustment device for a wellhead cutting support according to claim 1, characterized in that, Second connecting hole, first connecting hole are all threaded holes, and the connecting piece is hand wheel bolt.

3. An adjustment device for a wellhead cutting support according to claim 1 or 2, characterized in that Including: Two adjusting assemblies are arranged at two ends of the lower surface of the clamping part respectively.

4. An adjustment device for a wellhead cutting support according to claim 3, characterized in that, Two telescopic columns are connected through a first support rod.

5. An adjustment device for a wellhead cutting support according to claim 4, characterized in that, Two support cylinders are connected through a second support rod, and the second support rod is parallel to the first support rod.

6. The adjustment device for a wellhead cutting support of claim 1, wherein, Multiple first connecting holes are arranged in a straight line on the side of the telescopic column, and multiple second connecting holes are arranged in a straight line on the side of the support cylinder.

7. An adjustment device for a wellhead cutting support according to claim 6, characterized in that The spacing between adjacent second connecting holes is the same.

8. The adjustment device for a wellhead cutting support of claim 6, wherein, The spacing between adjacent first connecting holes is the same.

9. The adjustment device for a wellhead cutting support of claim 1, wherein, The clamping part includes an adjusting piece, a first clamping piece, and a second clamping piece arranged directly above the first clamping piece. The adjusting piece passes through the second clamping piece and the first clamping piece and is threadedly connected with both.

10. The adjustment device for a wellhead cutting bracket of claim 1, wherein, The bottom end of the support cylinder is fixedly arranged on the upper surface of the base.

Images