Over-well four-way joint for oil extraction

Abstract

The utility model discloses an above-well four-way joint for oil extraction, which comprises a four-way joint body, and a quick clamping combination connecting structure is mounted on the four-way joint body. The rapid clamping combination connecting structure comprises three discharge pipes, three switch valves, a connecting pipe, an inserting combination pipe, a combination fixing sleeve, a fixing clamping assembly and a combination internal thread. The utility model relates to the technical field of oil extraction equipment, and has the beneficial effects that the problems that all parts are connected by adopting a welding or bolt fastening mode in the existing above-well four-way design, the connection mode is tedious in operation and long in consumed time, and large-scale disassembly work is often needed when the parts need to be maintained or replaced, so that the cost is high, and the like are solved. And the oil extraction efficiency is greatly influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil extraction equipment technical field, concretely is a well four -way for oil extraction. BACKGROUND

[0002] In the oil exploitation process, the well four -way as the key wellhead device, plays the important role of connecting and controlling many oil extraction pipelines, the existing well four -way design often adopts the welding or bolt fastening mode to connect each component, this kind of connecting mode not only is cumbersome to operate, and the time is long, and when needing to maintain or replace the component, often needs to carry out the large -scale disassembly work, greatly influences the oil extraction efficiency. CONTENT OF UTILITY MODEL

[0003] In order to realize above -mentioned purpose, the utility model discloses the following technical schemes to be realized: a well four -way for oil extraction, comprising: four -way body, four -way body installs the quick clamping combination connecting structure on it;

[0004] The quick clamping combination connecting structure contains: three discharge pipes, three switch valves, connecting pipes, plug -in combination pipes, combination fixing sleeve, fixed clamping assembly and combination internal thread;

[0005] Three discharge pipes are installed on the upper end and both sides positions of four -way body, three switch valves are installed on three discharge pipes, connecting pipes are installed on the lower wall surface of four -way body, plug -in combination pipes are installed on the lower end of connecting pipes, combination fixing sleeve is movably installed on the outer wall surface of connecting pipes, fixed clamping assembly is installed on four -way body and combination fixing sleeve, and combination internal thread is set up on the inner wall surface of combination fixing sleeve.

[0006] Preferably, the connecting flange is installed on the three discharge pipes.

[0007] Preferably, the rotating groove is set up on the outer wall surface of connecting pipes.

[0008] Preferably, the sealing ring is arranged on the inner top of combination fixing sleeve.

[0009] Preferably, the anti -slip line is set up on the outer wall surface of combination fixing sleeve.

[0010] Preferably, the fixed clamping assembly contains: two pairs of fixed blocks, two pairs of spring telescopic rods, adjusting ratchet ring and fixed ratchet ring.

[0011] Two pairs of fixed blocks are installed on the lower wall surface of four -way body, and two pairs of fixed blocks are located at the position around connecting pipes, one end of two pairs of spring telescopic rods is installed on two pairs of fixed blocks, adjusting ratchet ring is installed on the other end of two pairs of spring telescopic rods, fixed ratchet ring is installed on the upper wall surface of combination fixing sleeve, and fixed ratchet ring is engaged with adjusting ratchet ring.

[0012] Beneficial effects

[0013] The utility model provides a kind of well four-way for oil production, with following beneficial effects: the present scheme uses fast clamping combination connecting structure, it is connected fast by the way of combination insertion, and it is fixed by thread combination simultaneously, it can be locked and fixed by ratchet structure simultaneously, prevent the vibration caused by use from causing connection loosening, ensure equipment installation safety, solve the problem that the design of existing well four-way is often connected each component by the way of welding or bolt fastening, this connection mode not only is tedious, time-consuming is longer, and when needing maintenance or replacing component, large-scale disassembly work is often needed, greatly influence the oil production efficiency problem. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view three-dimensional structure schematic diagram of the well four-way for oil production described in the utility model.

[0015] Figure 2 It is the bottom view three-dimensional structure schematic diagram of the well four-way for oil production described in the utility model.

[0016] Figure 3 It is the front view structure schematic diagram of the well four-way for oil production described in the utility model.

[0017] Figure 4 It is the front view partial sectional view structure schematic diagram of the well four-way for oil production described in the utility model.

[0018] In the drawing: 1-four-way body;2-discharge pipe;3-shutoff valve;4-connection pipe;5-insertion combination pipe;6-combination fixing sleeve;7-combination internal thread;8-connection flange;9-rotation groove;10-sealing ring;11-anti-slip pattern;12-fixing block;13-spring telescopic rod;14-adjusting ratchet ring;15-fixed ratchet ring. DETAILED DESCRIPTION

[0019] Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0020] Embodiment: please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of well four-way for oil production, the present scheme considers that the connection of the existing oil production well four-way is mostly fixed by welding or bolt, installation operation is more tedious, maintenance replacement is lower in efficiency, it is very inconvenient to use, based on above-mentioned content, the case is set as follows technical means;

[0021] Specifically, the present apparatus at least includes four-way body 1, three discharge pipes 2, three shutoff valves 3, connection pipe 4, insertion combination pipe 5, combination fixing sleeve 6, fixed clamping assembly and combination internal thread 7;

[0022] The fixed clamping assembly comprises two pairs of fixed blocks 12, two pairs of spring telescopic rods 13, an adjusting ratchet ring 14 and a fixed ratchet ring 15.

[0023] The four-way body 1 is mounted on the whole device, and when in use, the combined pipe 5 is inserted into the production pipe, the combined fixed sleeve 6 mounted on the connecting pipe 4 is rotated through the rotating groove 9, the combined internal thread 7 on the inner wall of the combined fixed sleeve 6 is matched with the external thread of the production pipe to be combined and connected, the four-way body 1 is mounted on the production pipe, and oil is discharged through the three discharge pipes 2.

[0024] Specifically, the three discharge pipes 2 are mounted on the upper end and both sides of the four-way body 1, the three switch valves 3 are mounted on the three discharge pipes 2, the connecting pipe 4 is mounted on the lower wall of the four-way body 1, the combined pipe 5 is mounted on the lower end of the connecting pipe 4, the combined fixed sleeve 6 is movably mounted on the outer wall of the connecting pipe 4, the fixed clamping assembly is mounted on the four-way body 1 and the combined fixed sleeve 6, and the combined internal thread 7 is formed on the inner wall of the combined fixed sleeve 6.

[0025] The two pairs of fixed blocks 12 are mounted on the lower wall of the four-way body 1, the two pairs of fixed blocks 12 are located at the periphery of the connecting pipe 4, one end of the two pairs of spring telescopic rods 13 is mounted on the two pairs of fixed blocks 12, the adjusting ratchet ring 14 is mounted on the other end of the two pairs of spring telescopic rods 13, the fixed ratchet ring 15 is mounted on the upper wall of the combined fixed sleeve 6, and the fixed ratchet ring 15 is engaged with the adjusting ratchet ring 14.

[0026] In the specific implementation process, further, the connecting flange 8 is mounted on the three discharge pipes 2.

[0027] In the specific implementation process, further, the rotating groove 9 is formed on the outer wall of the connecting pipe 4.

[0028] In the specific implementation process, further, the sealing ring 10 is arranged on the inner top of the combined fixed sleeve 6.

[0029] In the specific implementation process, further, the anti-skid lines 11 are formed on the outer wall of the combined fixed sleeve 6.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A wellhead cross passage for oil production, comprising: The four-way body (1) is characterized in that a quick-clamping combination connection structure is installed on the four-way body (1); The quick-clamping combination connection structure includes: three discharge pipes (2), three switch valves (3), connecting pipe (4), plug-in combination pipe (5), combination fixing sleeve (6), fixing clamping assembly and combination internal thread (7); Three discharge pipes (2) are installed on the upper end and both sides of the four-way body (1), three switch valves (3) are installed on the three discharge pipes (2), the connecting pipe (4) is installed on the lower wall of the four-way body (1), the plug-in combination pipe (5) is installed on the lower end of the connecting pipe (4), the combination fixing sleeve (6) is movably installed on the outer wall of the connecting pipe (4), the fixing clamping assembly is installed on the four-way body (1) and the combination fixing sleeve (6), and the combination internal thread (7) is opened on the inner wall of the combination fixing sleeve (6).

2. The wellhead cross-connector for oil production according to claim 1, characterized in that, Connecting flanges (8) are installed on the three discharge pipes (2).

3. The wellhead cross-connector for oil production according to claim 1, characterized in that, A rotating groove (9) is provided on the outer wall of the connecting pipe (4).

4. The wellhead cross-connector for oil production according to claim 1, characterized in that, A sealing ring (10) is provided at the top of the combined fixing sleeve (6).

5. The wellhead cross-connector for oil production according to claim 1, characterized in that, The outer wall surface of the combined fixing sleeve (6) is provided with anti-slip texture (11).

6. The wellhead cross-connector for oil production according to claim 1, characterized in that, The fixing and clamping assembly includes: two pairs of fixing blocks (12), two pairs of spring telescopic rods (13), an adjusting ratchet ring (14), and a fixing ratchet ring (15); Two pairs of fixing blocks (12) are installed on the lower wall of the four-way body (1). The two pairs of fixing blocks (12) are located around the connecting pipe (4). One end of the two pairs of spring telescopic rods (13) is installed on the two pairs of fixing blocks (12). The adjusting ratchet ring (14) is installed on the other end of the two pairs of spring telescopic rods (13). The fixing ratchet ring (15) is installed on the upper wall of the combined fixing sleeve (6). The fixing ratchet ring (15) meshes with the adjusting ratchet ring (14).

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