Oil pipe four-way device for Christmas tree

Abstract

The utility model provides an oil pipe four-way device for a Christmas tree, which belongs to the field of oil pipe four-way devices, and comprises a Christmas tree main body, an oil outlet pipe, an oil inlet pipe and an oil outlet pipe, an oil discharge filtering assembly; the oil discharging and filtering assembly comprises a conveying pipe connected with the oil outlet pipe, a plurality of short pipes are installed at the bottom of the conveying pipe, detachable connecting pipes are installed at the bottoms of the short pipes, detachable mounting rings are installed between the connecting pipes and the short pipes, and filter screens are fixed in the mounting rings. The filter screens are independently arranged and do not interfere with one another, so that impurities in the oil body can be effectively and stably filtered; when the filter screen needs to be cleaned, the valve is closed, the connecting pipe is rotated to be separated from the short pipe, then the mounting ring is taken down, the filter screen can be disassembled, cleaning is convenient, operation is easy and convenient, and the defect that in the prior art, the filter screen is blocked, and consequently follow-up filtering and conveying of the oil body are affected is overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil pipe four way device technical field especially relates to an oil pipe four way device for Christmas tree. BACKGROUND

[0002] The Christmas tree is the wellhead device for self-flowing well and machine mining well and is used for mining oil, and it is the main equipment for controlling and adjusting oil and gas production in the uppermost part of the oil and gas well, mainly including a casing head, a tubing head and a Christmas tree body.

[0003] The prior art with the publication number CN222253896U discloses an oil pipe four way device for Christmas tree, which sets different mesh filters to filter impurities; however, when the front filter is filtered, the flow of oil body is seriously hindered, thereby affecting the subsequent oil body conveying and filtering, that is, the front filter is blocked, and the subsequent filters need to be disassembled and cleaned whether they are blocked or not, which is inconvenient to use; therefore, the present application provides an oil pipe four way device for Christmas tree. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model provides an oil pipe four way device for Christmas tree.

[0005] The embodiment of the utility model provides an oil pipe four way device for Christmas tree, which comprises:

[0006] A Christmas tree body is provided with an oil outlet pipe;

[0007] An oil discharge filter assembly is provided, which comprises a conveying pipe connected with the oil outlet pipe, a plurality of short pipes are installed at the bottom of the conveying pipe, a valve is installed on the short pipe, a detachable connecting pipe is installed at the bottom of the short pipe, a detachable mounting ring is installed between the connecting pipe and the short pipe, and a filter screen is fixed in the mounting ring.

[0008] Further, the oil outlet pipe and the conveying pipe are both provided with connecting flanges, and the two connecting flanges are connected through bolts and nuts.

[0009] Further, the bottom of the short pipe is fixed with an integral threaded ring, the upper end of the connecting pipe is provided with an annular groove, the inner wall of the annular groove is provided with an internal thread, and the threaded ring and the internal thread are threadedly connected to fix the short pipe and the connecting pipe together.

[0010] Further, the mounting ring is slidingly connected in the annular groove, and the outer wall of the mounting ring is covered with a rubber film, and the rubber film is in contact with the inner wall of the annular groove.

[0011] Further, the upper end of the mounting ring is provided with an annular limiting groove, and a sealing ring is placed in the annular limiting groove.

[0012] Further, the bottom of the Christmas tree body is provided with an oil inlet pipe, and the oil inlet pipe is connected with the Christmas tree body through a flange.

[0013] Compared with the prior art, the oil pipe cross device has the following beneficial effects:

[0014] The filter screen is independently arranged and does not interfere with each other, so that the impurities in the oil can be effectively and stably filtered. When the filter screen needs to be cleaned, the valve is closed, the connecting pipe is separated from the short pipe, the mounting ring is removed, and the filter screen is disassembled, so that the filter screen can be cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 The utility model discloses an oil pipe cross device for a Christmas tree.

[0016] Fig. 2 The utility model discloses an oil pipe cross device for a Christmas tree.

[0017] Fig. 3 The utility model discloses an oil pipe cross device for a Christmas tree.

[0018] In the above drawings: 1 is a Christmas tree body, 2 is an oil inlet pipe, 3 is an oil outlet pipe, 4 is a conveying pipe, 5 is a short pipe, 6 is a connecting pipe, 7 is a valve, 8 is a threaded ring, 9 is an annular groove, 10 is an internal thread, 11 is a mounting ring, 12 is a filter screen, 13 is an annular limiting groove, and 14 is a sealing ring. DETAILED DESCRIPTION

[0019] The technical scheme of the utility model will be further described below with reference to the drawings and embodiments.

[0020] As shown in the drawings, Figs. 1-3 The utility model discloses an oil pipe cross device for a Christmas tree, which comprises:

[0021] The Christmas tree body 1 is provided with an oil outlet pipe 3; wherein the bottom of the Christmas tree body 1 is provided with an oil inlet pipe 2, and the oil inlet pipe 2 is connected with the Christmas tree body 1 through a flange.

[0022] The oil discharge filter assembly comprises a delivery pipe 4 connected with the oil discharge pipe 3, the oil discharge pipe 3 and the delivery pipe 4 are provided with connecting flanges, and the two connecting flanges are connected through bolts and nuts; the bottom of the delivery pipe 4 is provided with a plurality of short pipes 5, the short pipes 5 are provided with valves 7, and the opening and closing of the short pipes 5 can be controlled through the control of the valves 7, so as to control the flow of the oil body and the flow rate of the oil body.

[0023] The bottom of the short pipe 5 is provided with a detachable connecting pipe 6, the bottom of the short pipe 5 is fixed with an integral threaded ring 8, the upper end of the connecting pipe 6 is provided with an annular groove 9, the inner wall of the annular groove 9 is provided with an internal thread 10, the threaded ring 8 is threadedly connected with the internal thread 10 to fix the short pipe 5 and the connecting pipe 6 together, and the threaded connection is simple in installation and good in stability.

[0024] A detachable mounting ring 11 is mounted between the connecting pipe 6 and the short pipe 5, in order to increase the stability between the mounting ring 11 and the annular groove 9, the mounting ring 11 is slidingly connected in the annular groove 9, and the outer wall of the mounting ring 11 is covered with a rubber film, the rubber film abuts against the inner wall of the annular groove 9, and the stability of the mounting ring 11 in the annular groove 9 is ensured.

[0025] A filter screen 12 is fixed in the mounting ring 11, the upper end of the mounting ring 11 is provided with an annular limiting groove 13, and a sealing ring 14 is placed in the annular limiting groove 13, the sealing ring 14 is limited in the annular limiting groove 13 and is not easy to move, so as to be opposite to the threaded ring 8 and ensure the sealing property; when the threaded ring 8 is threadedly connected with the internal thread 10, the threaded ring 8 abuts against the sealing ring 14, so as to ensure the sealing property between the connecting pipe 6 and the short pipe 5, and the threaded ring 8 extrudes the sealing ring 14 and the mounting ring 11, so as to limit the mounting ring 11 and the filter screen 12.

[0026] The oil body is delivered into the short pipe 5 through the delivery pipe 4, and then flows into the connecting pipe 6 through the filter screen 12, the connecting pipe 6 can be connected with a collecting tank for collecting the oil body; since the three filter screens 12 are separately arranged and do not interfere with each other, the impurities in the oil body can be effectively and stably filtered; when the filter screen 12 needs to be cleaned, the valve 7 is closed, the connecting pipe 6 is rotated to be separated from the short pipe 5, then the mounting ring 11 is removed, and the filter screen 12 can be disassembled for cleaning, so that the operation is simple and convenient, and the defects that the filter screen is blocked in the prior art and affects the subsequent oil body filtering and delivery are avoided.

[0027] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application but not limit the present application, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all of them should be covered in the scope of the claims of the present application.

Claims

1. A tubing spool for use with a Christmas tree, characterized by, Include: The Christmas tree main body (1), the Christmas tree main body (1) is installed on the oil pipe (3); The oil discharge filter assembly; the oil discharge filter assembly includes a delivery pipe (4) connected with the oil pipe (3), the bottom of the delivery pipe (4) is provided with a plurality of short pipes (5), the short pipe (5) is provided with a valve (7), the bottom of the short pipe (5) is provided with a detachable connecting pipe (6), the connecting pipe (6) and the short pipe (5) are provided with a detachable mounting ring (11), the mounting ring (11) is fixed with a filter screen (12).

2. A tubing spool for use with a Christmas tree as claimed in claim 1, wherein, Wherein: The oil pipe (3), delivery pipe (4) are provided with connecting flange, two connecting flanges are connected by bolt and nut.

3. A tubing spool for use with a Christmas tree as claimed in claim 1, wherein, Wherein: The bottom of the short pipe (5) is fixed with a integral threaded ring (8), the upper end of the connecting pipe (6) is provided with an annular groove (9), the inner wall of the annular groove (9) is provided with an internal thread (10), the threaded ring (8) and the internal thread (10) are threadedly connected to fix the short pipe (5) and the connecting pipe (6) together.

4. A tubing spool for use with a Christmas tree as claimed in claim 3, wherein, Wherein: The mounting ring (11) is slidingly connected in the annular groove (9), and the outer wall of the mounting ring (11) is covered with a rubber film, and the rubber film abuts against the inner wall of the annular groove (9).

5. A tubing spool for use with a Christmas tree as claimed in claim 4, wherein, Wherein: The upper end of the mounting ring (11) is provided with an annular limiting groove (13), the annular limiting groove (13) is placed with a sealing ring (14), when the threaded ring (8) and the internal thread (10) are threadedly connected, the threaded ring (8) abuts against the sealing ring (14).

6. A tubing spool for use with a Christmas tree as defined in claim 1, wherein, Wherein: The bottom of the Christmas tree main body (1) is provided with an oil inlet pipe (2), the oil inlet pipe (2) is connected with the Christmas tree main body (1) through a flange plate.

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