Casing running device for petroleum drilling

Abstract

The utility model belongs to the technical field of petroleum drilling, and particularly relates to a casing running device for petroleum drilling, which comprises an upper pipeline, and further comprises an input shaft, an output shaft, a positioning sheet, a built-in bracket, a lifting pipe, a sleeve, a transmission rod, an insertion strip, a guide rail, an inner insertion hole, a lower pipeline and an outer insertion hole which are arranged on one side of the upper pipeline, the surface of the upper pipeline is rotationally connected with the surface of the input shaft, one end of the input shaft is further connected with one end of the output shaft in a meshed mode, and the surface of the output shaft is further provided with the positioning piece rotationally connected with the built-in support. According to the device, connection between the upper pipeline and the lower pipeline can be enhanced through simple rotation work of the input shaft, the upper pipeline and the lower pipeline can be communicated from different angles, the situation that the upper pipeline and the lower pipeline are separated and fall off in the using process can be avoided, the stability of mining work can be guaranteed, and the overall efficiency of the mining work can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of petroleum drilling, specifically relates to a casing lowering device for petroleum drilling. BACKGROUND

[0002] Petroleum drilling refers to the system engineering that utilizes petroleum drilling equipment to drill through multiple strata along the designed track from the ground to the predetermined target layer, forms the stable channel of oil and gas production or injection fluid, and completes coring, logging, well logging and testing work during drilling and after drilling, and obtains various information required for exploration, development and drilling;

[0003] According to the search, the announcement No. CN205713981U discloses a casing lowering device for petroleum drilling, which discloses that the adjacent casing fixing plates are connected through movable connecting pieces; the upper end of the casing fixing plate is provided with a rotary clamping piece; the right side of the casing fixing plate at the right end is provided with a locking male head, and the left side of the casing fixing plate at the left end is provided with a locking female head, and a connecting bolt is inserted into the locking female head; the locking male head and the locking female head are matched to connect the casing fixing plates and fix the casing lowering device; the device has the advantages of simple structure, novel design, combined casing fixing piece and suspension connecting groove; the drilling casing can be fixed well, and the casing can be accurately installed with the pipe lowering device, and the device is safe and reliable.

[0004] Although the design has the advantages of simple structure, novel design, combined casing fixing piece and suspension connecting groove; the drilling casing can be fixed well, and the casing can be accurately installed with the pipe lowering device, and the device is safe and reliable, the device cannot guarantee the stability of the connection between the pipes during the use of the pipes, and the pipes may be separated and fallen off during the subsequent use, so that the stability of the mining work cannot be guaranteed.

[0005] To solve the above problems, the casing lowering device for petroleum drilling is provided in the application. UTILITY MODEL CONTENTS

[0006] To solve the problems in the background art, the casing lowering device for petroleum drilling is provided, which can strengthen the connection between the upper pipe and the lower pipe by simple rotation of the input shaft, can connect the upper pipe and the lower pipe from different angles, can avoid separation and falling off of the two pipes during use, can guarantee the stability of the mining work, and can improve the overall efficiency of the mining work.

[0007] To achieve the above object, the utility model provides the following technical scheme: a casing device of petroleum drilling, including upper pipeline, still including input shaft, output shaft, locating piece, built -in support, lift pipe, sleeve, transmission rod, insert, guide rail, inner insert hole, lower pipeline and outer insert hole who sets up in one side of upper pipeline, the surface of upper pipeline and the surface of input shaft rotatory connection, and one end of input shaft still and one end of output shaft meshing connection, and the surface of output shaft still is provided with the locating piece rotatory connection with built -in support, while built -in support and the inner surface fixed connection of upper pipeline, and the inner surface of built -in support still is fixed with sleeve, and the inner surface of sleeve still has the lift pipe of screw connection with output shaft slidingly connected, the outer surface of lift pipe then and one end of transmission rod rotatory connection, and the other end of transmission rod and the surface of insert rotatory connection, the insert then and the guide rail of fixed installation under sleeve slidingly connected, and the insert still slidingly connected with the outer insert hole of setting in the surface of upper pipeline and the inner insert hole of setting in the surface of lower pipeline respectively, and the lower pipeline then and one end of upper pipeline rotatory connection.

[0008] As the casing device of petroleum drilling of the utility model preferably, the input shaft and the output shaft are perpendicular to each other, and the surface of the upper pipeline is provided with a through hole matched with the input shaft.

[0009] As the casing device of petroleum drilling of the utility model preferably, the built-in support and the upper pipeline form an integrated structure, and the built-in support is arranged in a ring-shaped hollow manner.

[0010] As the casing device of petroleum drilling of the utility model preferably, the surface of the sleeve is provided with a rectangular groove matched with the lift pipe at equal angles.

[0011] As the casing device of petroleum drilling of the utility model preferably, the transmission rod, the insert and the guide rail are arranged at equal angles on the outside of the sleeve.

[0012] As the casing device of petroleum drilling of the utility model preferably, the inner insert hole and the outer insert hole are matched with the shape of the insert, and the inner insert hole and the outer insert hole are interconnected.

[0013] Compared with the prior art, the utility model has the beneficial effects that: through the simple rotation work of the input shaft, the connection between the upper pipeline and the lower pipeline can be strengthened, the upper pipeline and the lower pipeline can be connected from different angles, the separation and falling of the two in the use process can be avoided, the stability of the mining work can be ensured, and the overall efficiency of the mining work is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, which are used together with embodiments of the present application to explain the present application, and do not constitute a limitation to the present application. In the drawings:

[0015] Figure 1 It is an upper pipeline and lower pipeline structure schematic view of the present application;

[0016] Figure 2 It is an upper pipeline and lower pipeline cross-section structure schematic view in the present application;

[0017] Figure 3 It is a positioning sheet and built-in bracket structure schematic view in the present application;

[0018] Figure 4 It is an output shaft and lifting tube structure schematic view in the present application;

[0019] Figure 5 It is an inserted strip extension state structure schematic view in the present application;

[0020] Figure 6 It is an inserted strip and inner and outer insertion hole connection state structure schematic view in the present application;

[0021] Figure 7 It is an explosion structure schematic view in the present application;

[0022] In the drawings:

[0023] 1, upper pipeline; 2, input shaft; 3, output shaft; 4, positioning sheet; 5, built-in bracket; 6, lifting tube; 7, sleeve; 8, transmission rod; 9, inserted strip; 10, guide rail; 11, inner insertion hole; 12, lower pipeline; 13, outer insertion hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Embodiment one

[0026] As shown in the drawings: Figure 1

[0027] A casing lowering device for oil drilling, comprising an upper pipeline 1.

[0028] ​In the present embodiment: the existing publication number: CN205713981U discloses a casing device for oil drilling, which will not be described here, for the improvement of the prior art, please refer to the following disclosure technology; in order to solve the technical problems existing in the prior art, as disclosed in the above background art, "the device is difficult to ensure the stability of the connection between the pipes during the use of the pipes, which may cause the separation and falling of the pipes during the subsequent use, and it is difficult to ensure the stability of the exploitation work", in combination with the use, this problem is obviously existing and difficult to solve, in view of this, in order to solve the above problems, the input shaft 2 and the output shaft 3 are increased on the basis.

[0029] Further:

[0030] As Figure 1 - Figure 7 shown:

[0031] In combination with the above content: also includes the input shaft 2, the output shaft 3, the positioning piece 4, the built-in bracket 5, the lifting pipe 6, the sleeve 7, the transmission rod 8, the plug 9, the guide rail 10, the inner plug hole 11, the lower pipe 12 and the outer plug hole 13 arranged on one side of the upper pipe 1, the surface of the upper pipe 1 and the surface of the input shaft 2 are rotatably connected, one end of the input shaft 2 is also engaged with one end of the output shaft 3, and the surface of the output shaft 3 is also provided with the positioning piece 4 rotatably connected with the built-in bracket 5, while the built-in bracket 5 and the inner surface of the upper pipe 1 are fixedly connected, and the inner surface of the built-in bracket 5 is also fixedly installed with the sleeve 7, and the inner surface of the sleeve 7 is also slidably connected with the lifting pipe 6 threadedly connected with the output shaft 3, the outer surface of the lifting pipe 6 is rotatably connected with one end of the transmission rod 8, the other end of the transmission rod 8 is rotatably connected with the surface of the plug 9, the plug 9 is slidably connected with the guide rail 10 fixedly installed below the sleeve 7, and the plug 9 is also slidably connected with the outer plug hole 13 opened on the surface of the upper pipe 1 and the inner plug hole 11 opened on the surface of the lower pipe 12, and the lower pipe 12 is rotatably connected with one end of the upper pipe 1.

[0032] In this embodiment: when the connection between the upper pipe 1 and the lower pipe 12 is completed, the inner plug hole 11 and the outer plug hole 13 are connected, at this time, the input shaft 2 can be rotated on the outside of the upper pipe 1, at this time, the input shaft 2 will drive the output shaft 3 and the positioning piece 4 to rotate at the same time, the positioning piece 4 and the built-in support 5 are rotated to maintain the height of the output shaft 3, at the same time, the output shaft 3 is in threaded connection with the inner surface of the lifting pipe 6 and pushes the lifting pipe 6 to slide downward along the inner surface of the sleeve 7, at the same time, the lifting pipe 6 pushes one end of the transmission rod 8, and the transmission rod 8 pushes the plug strip 9 to move along the path of the guide rail 10, as the lifting pipe 6 gradually descends, the plug strip 9 is inserted into the inner plug hole 11 and the outer plug hole 13 to connect the space between them, at this time, the upper pipe 1 and the lower pipe 12 cannot rotate again, and they will not fall off during the work process.

[0033] Further more:

[0034] In an optional embodiment, the input shaft 2 and the output shaft 3 are arranged perpendicular to each other, and the surface of the upper pipe 1 is provided with a through hole matched with the input shaft 2.

[0035] In this embodiment: the input shaft 2 and the output shaft 3 arranged perpendicular to each other can rotate the input shaft 2 on the outside of the upper pipe 1, and then the input shaft 2 can apply momentum to the output shaft 3 inside the upper pipe 1.

[0036] Further more:

[0037] In an optional embodiment, the built-in support 5 and the upper pipe 1 form an integrated structure, and the built-in support 5 is arranged in a ring-shaped hollow manner.

[0038] In this embodiment: the built-in support 5 arranged in a hollow manner can stably support the output shaft 3, and can also ensure that the upper pipe 1 and the lower pipe 12 can smoothly perform the conveying work.

[0039] Further more:

[0040] In an optional embodiment, the surface of the sleeve 7 is provided with a rectangular groove matched with the lifting pipe 6 at equal angles.

[0041] In this embodiment: the rectangular groove starting at equal angles can limit the rotation of the lifting pipe 6, and provide effective conditions for the up and down movement of the lifting pipe 6 and the threaded rotation between the lifting pipe 6 and the output shaft 3.

[0042] Further more:

[0043] In an optional embodiment, the transmission rod 8, the plug strip 9 and the guide rail 10 are arranged at equal angles on the outside of the sleeve 7.

[0044] In the embodiment, the transmission rod 8, the insertion strip 9 and the guide rail 10 arranged at equal angles outside the sleeve 7 can fix the upper pipe 1 and the lower pipe 12 from different angles, so that effective connection and fixation can be achieved, and the situation of falling off can be prevented.

[0045] Further,

[0046] In an optional embodiment, the inner insertion hole 11 and the outer insertion hole 13 are matched with the shape of the insertion strip 9, and the inner insertion hole 11 and the outer insertion hole 13 are communicated with each other.

[0047] In the embodiment, the inner insertion hole 11, the outer insertion hole 13 and the insertion strip 9 are matched in shape, and the angles of the inner insertion hole 11 and the outer insertion hole 13 can be fixed when the insertion strip 9 is connected with the two, so that the situation of falling off caused by reverse rotation between the upper pipe 1 and the lower pipe 12 can be avoided.

[0048] The working principle and the use process of the utility model are as follows: after the upper pipe 1 and the lower pipe 12 are connected, the inner insertion hole 11 and the outer insertion hole 13 are connected, at this time, the input shaft 2 can be rotated outside the upper pipe 1, at this time, the input shaft 2 will drive the output shaft 3 and the positioning piece 4 to rotate at the same time, the positioning piece 4 and the built-in bracket 5 are rotated to keep the height of the output shaft 3, at the same time, the output shaft 3 is in threaded connection with the inner surface of the lifting pipe 6 and pushes the lifting pipe 6 to slide downward along the inner surface of the sleeve 7, at the same time, the lifting pipe 6 pushes one end of the transmission rod 8, and the transmission rod 8 pushes the insertion strip 9 to move along the path of the guide rail 10, with the gradual descent of the lifting pipe 6, the insertion strip 9 is inserted into the inner insertion hole 11 and the outer insertion hole 13 to communicate the space between the two, at this time, the upper pipe 1 and the lower pipe 12 cannot rotate, and the two will not fall off in the subsequent working process.

[0049] Finally, it should be pointed out that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A casing running device for oil drilling, comprising an upper pipe (1), characterized in that: The utility model also includes input shaft (2), output shaft (3), positioning sheet (4), built-in support (5), lifting pipe (6), sleeve (7), transmission rod (8), insert strip (9), guide rail (10), inner insert hole (11), lower pipe (12) and outer insert hole (13) arranged on one side of upper pipe (1), the surface of upper pipe (1) is rotatably connected with the surface of input shaft (2), one end of input shaft (2) is also rotatably connected with one end of output shaft (3), the surface of output shaft (3) is also provided with positioning sheet (4) rotatably connected with built-in support (5), the inner surface of built-in support (5) is fixedly connected with the inner surface of upper pipe (1), the inner surface of built-in support (5) is also fixedly installed with sleeve (7), the inner surface of sleeve (7) is also slidably connected with lifting pipe (6) threadedly connected with output shaft (3), the outer surface of lifting pipe (6) is rotatably connected with one end of transmission rod (8), the other end of transmission rod (8) is rotatably connected with the surface of insert strip (9), insert strip (9) is slidably connected with guide rail (10) fixedly installed below sleeve (7), insert strip (9) is also slidably connected with outer insert hole (13) opened on the surface of upper pipe (1) and inner insert hole (11) opened on the surface of lower pipe (12), and the one end of lower pipe (12) is rotatably connected with upper pipe (1).

2. A casing lowering device for oil drilling as claimed in claim 1, characterized in that: The input shaft (2) and the output shaft (3) are arranged perpendicular to each other, and the surface of the upper pipe (1) is provided with a through hole matched with the input shaft (2).

3. The casing lowering device for oil drilling according to claim 1, characterized in that: The built-in support (5) and the upper pipe (1) form an integrated structure, and the built-in support (5) is arranged in a ring-shaped hollow manner.

4. The casing lowering device for oil drilling according to claim 1, characterized in that: The surface of the sleeve (7) is provided with a rectangular groove matched with the lifting pipe (6) at equal angles.

5. The casing lowering device for oil drilling according to claim 1, characterized in that: The transmission rod (8), the insert strip (9) and the guide rail (10) are arranged at equal angles outside the sleeve (7).

6. The casing lowering device for oil drilling according to claim 1, characterized in that: The inner insert hole (11) and the outer insert hole (13) are matched with the shape of the insert strip (9), and the inner insert hole (11) and the outer insert hole (13) are communicated with each other.

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