Anti-blocking Y521 backwashing packer

Abstract

The utility model discloses an anti-blocking Y521 backwashing packer which comprises a main body assembly, the main body assembly comprises a Y521 backwashing packer main body, an upper interface and a lower interface, the upper interface is fixed at one end of the Y521 backwashing packer main body, and the lower interface is fixed at the other end of the Y521 backwashing packer main body; the anti-blocking assembly is arranged on the main body assembly and comprises an anti-blocking piece and a fixing piece, the anti-blocking piece is arranged on the lower connector, and the fixing piece is arranged on the anti-blocking piece. The anti-blocking backwashing packer has the advantages that the anti-blocking piece is arranged and used for blocking sundries, the Y521 backwashing packer body is further prevented from being blocked, the anti-blocking piece is conveniently installed and fixed to the lower connector through the fixing piece, and therefore the anti-blocking piece can be conveniently disassembled and maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of oil field production, in particular to an anti-blocking card Y521 backwashing packer. Background Art

[0002] Packers are commonly used downhole tools for oil field production. For example, the stratified production, stratified water injection, fracturing, acidizing and other measures of oil, gas and water wells in the oil field require the insertion of packers in the well. However, when the existing Y521 backwash packer is in use, the fine particles contained in the well washing fluid will enter the Y521 backwash packer, which will cause the fine particles to accumulate in the Y521 backwash packer, thereby causing blockage in the Y521 backwash packer. Utility Model Content

[0003] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the above problems and / or the problems existing in the existing anti-blocking card Y521 backwash packer, the utility model is proposed.

[0005] Therefore, the problem to be solved by the utility model is that when the existing Y521 backwash packer is in use, fine particles contained in the well washing fluid will enter the Y521 backwash packer, which will cause the fine particles to accumulate in the Y521 backwash packer, thereby causing blockage in the Y521 backwash packer.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a Y521 backwash packer with anti-blocking card, which includes a main body component, including a Y521 backwash packer body, an upper interface and a lower interface, wherein the upper interface is fixed to one end of the Y521 backwash packer body, and the lower interface is fixed to the other end of the Y521 backwash packer body; and

[0007] The anti-blocking component is arranged on the main body component, and comprises an anti-blocking part and a fixing part. The anti-blocking part is arranged on the lower interface, and the fixing part is arranged on the anti-blocking part.

[0008] As a preferred solution of the anti-blocking card Y521 backwash packer of the utility model, the anti-blocking component includes a fixed frame and a filter net, the fixed frame is arranged on the lower interface, and the filter net is fixed on the fixed frame.

[0009] As a preferred solution of the anti-blocking card Y521 backwash packer described in the utility model, the anti-blocking component also includes a sliding block, the sliding block is fixed to the outside of the fixed frame, a sliding groove is opened on the lower interface, and the sliding block slides in the sliding groove.

[0010] As a preferred solution of the anti-blocking card Y521 backwash packer described in the utility model, the fixing part includes a positioning block, a first fixing block and a second fixing block, the positioning block is fixed on the fixing frame, and the first fixing block and the second fixing block slide in the two ends of the positioning block respectively.

[0011] As a preferred solution of the anti-blocking card Y521 backwash packer described in the utility model, wherein: the fixing part also includes a bidirectional threaded rod and a worm gear, the bidirectional threaded rod is rotatably connected in the positioning block, the two ends of the bidirectional threaded rod are respectively threadedly connected to the first fixing block and the second fixing block, and the worm gear is fixed to the outside of the bidirectional threaded rod.

[0012] As a preferred solution of the anti-blocking card Y521 backwash packer of the utility model, the fixing part also includes a worm and a knob, the worm is rotatably connected in the positioning block, the worm is meshed with the worm wheel, and the knob is fixed to one end of the worm.

[0013] The beneficial effects of the utility model are as follows: through the provision of the anti-blocking piece, it is used to block debris, thereby preventing the Y521 backwash packer body from being blocked; through the provision of the fixing piece, it is convenient to install and fix the anti-blocking piece to the lower interface, thereby facilitating the disassembly and maintenance of the anti-blocking piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0015] Figure 1 This is the overall structure diagram of the anti-blocking Y521 backwash packer.

[0016] Figure 2 This is a cross-sectional structural diagram of the fixings of the anti-blocking Y521 backwash packer.

[0017] Figure 3 To prevent the Y521 backwash packer from blocking Figure 2 A partial enlarged structural diagram in the middle.

[0018] In the figure: 100, main component; 101, Y521 backwash packer main body; 102, upper interface; 103, lower interface; 200, anti-blocking component; 201, anti-blocking part; 202, fixing part; 201a, fixing frame; 201b, filter screen; 201c, slider; W, slide groove; 202a, positioning block; 202b, first fixing block; 202c, second fixing block; 202d, bidirectional threaded rod; 202e, worm gear; 202f, worm; 202g, knob. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0021] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0022] Example 1

[0023] Reference Figure 1 to Figure 3 , which is the first embodiment of the utility model, and this embodiment provides an anti-blocking card Y521 backwash packer. The anti-blocking card Y521 backwash packer includes a main body component 100 and an anti-blocking component 200. Through the cooperation of the two, blockage in the Y521 backwash packer main body 101 can be avoided.

[0024] The main assembly 100 includes a Y521 backwash packer main body 101 , an upper interface 102 and a lower interface 103 . The upper interface 102 is fixed to one end of the Y521 backwash packer main body 101 , and the lower interface 103 is fixed to the other end of the Y521 backwash packer main body 101 .

[0025] The Y521 backwash packer body 101 is provided to fix the upper interface 102, and both the upper interface 102 and the lower interface 103 are provided to play a connecting role.

[0026] The anti-blocking component 200 is arranged on the main component 100 , and includes an anti-blocking member 201 and a fixing member 202 . The anti-blocking member 201 is arranged on the lower interface 103 , and the fixing member 202 is arranged on the anti-blocking member 201 .

[0027] The anti-blocking component 201 is provided to block debris, thereby preventing the Y521 backwash packer body 101 from being blocked. The fixing component 202 is provided to facilitate installation and fixing of the anti-blocking component 201 to the lower interface 103, thereby facilitating disassembly and maintenance of the anti-blocking component 201.

[0028] Example 2

[0029] Reference Figure 1 to Figure 3 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0030] Specifically, the anti-blocking member 201 includes a fixing frame 201a and a filter screen 201b. The fixing frame 201a is disposed on the lower interface 103, and the filter screen 201b is fixed on the fixing frame 201a.

[0031] The fixing frame 201a is provided to fix the filter net 201b, thereby enabling the filter net 201b to filter.

[0032] Specifically, the anti-blocking member 201 further includes a sliding block 201c, which is fixed to the outside of the fixing frame 201a. A sliding groove W is provided on the lower interface 103, and the sliding block 201c slides in the sliding groove W.

[0033] The slider 201c is arranged to position the fixed frame 201a.

[0034] Example 3

[0035] Reference Figure 1 to Figure 3 , which is the third embodiment of the utility model, and this embodiment is based on the first two embodiments.

[0036] Specifically, the fixing member 202 includes a positioning block 202a, a first fixing block 202b and a second fixing block 202c. The positioning block 202a is fixed on the fixing frame 201a, and the first fixing block 202b and the second fixing block 202c slide in two ends of the positioning block 202a respectively.

[0037] The positioning block 202a is used to position the first fixing block 202b and the second fixing block 202c. The first fixing block 202b and the second fixing block 202c cooperate with each other to fix the fixing frame 201a on the lower interface 103.

[0038] Specifically, the fixing member 202 also includes a bidirectional threaded rod 202d and a worm gear 202e. The bidirectional threaded rod 202d is rotatably connected to the positioning block 202a. The two ends of the bidirectional threaded rod 202d are respectively threadedly connected to the first fixing block 202b and the second fixing block 202c. The worm gear 202e is fixed to the outside of the bidirectional threaded rod 202d.

[0039] The worm gear 202e is configured to drive the bidirectional threaded rod 202d to rotate, thereby driving the first fixed block 202b and the second fixed block 202c to move.

[0040] Specifically, the fixing member 202 further includes a worm 202f and a knob 202g. The worm 202f is rotatably connected to the positioning block 202a. The worm 202f is meshed with the worm wheel 202e. The knob 202g is fixed to one end of the worm 202f.

[0041] The knob 202g is configured to drive the worm 202f to rotate, thereby driving the worm wheel 202e to rotate.

[0042] When in use, the staff first puts the fixed frame 201a into the lower interface 103, and makes the slider 201c enter the slide groove W. When the slider 201c slides to the bottom of the slide groove W, the knob 202g is turned to drive the worm 202f to rotate, and then the worm wheel 202e is driven to rotate, thereby driving the bidirectional threaded rod 202d to rotate, thereby driving the first fixed block 202b and the second fixed block 202c to move, so that the first fixed block 202b and the second fixed block 202c fix the fixed frame 201a in the lower interface 103, so that the filter net 201b is filtered, thereby preventing the Y521 backwash seal body 101 from being blocked.

[0043] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An anti-blocking card Y521 backwash packer, characterized by: include, A main body assembly (100) comprises a Y521 backwash packer main body (101), an upper interface (102) and a lower interface (103), wherein the upper interface (102) is fixed to one end of the Y521 backwash packer main body (101), and the lower interface (103) is fixed to the other end of the Y521 backwash packer main body (101); and, The anti-blocking component (200) is arranged on the main component (100), and comprises an anti-blocking component (201) and a fixing component (202), wherein the anti-blocking component (201) is arranged on the lower interface (103), and the fixing component (202) is arranged on the anti-blocking component (201).

2. The anti-blocking card Y521 backwash packer according to claim 1 is characterized in that: The anti-blocking component (201) comprises a fixing frame (201a) and a filter screen (201b); the fixing frame (201a) is arranged on the lower interface (103); and the filter screen (201b) is fixed on the fixing frame (201a).

3. The anti-blocking card Y521 backwash packer according to claim 2 is characterized in that: The anti-blocking member (201) further comprises a sliding block (201c), wherein the sliding block (201c) is fixed to the outside of the fixing frame (201a), a sliding groove (W) is provided on the lower interface (103), and the sliding block (201c) slides in the sliding groove (W).

4. The anti-blocking card Y521 backwash packer according to claim 3 is characterized in that: The fixing member (202) comprises a positioning block (202a), a first fixing block (202b) and a second fixing block (202c); the positioning block (202a) is fixed on the fixing frame (201a); the first fixing block (202b) and the second fixing block (202c) respectively slide in two ends of the positioning block (202a).

5. The anti-blocking card Y521 backwash packer according to claim 4 is characterized in that: The fixing member (202) further comprises a bidirectional threaded rod (202d) and a worm gear (202e); the bidirectional threaded rod (202d) is rotatably connected to the positioning block (202a); two ends of the bidirectional threaded rod (202d) are respectively threadedly connected to the first fixing block (202b) and the second fixing block (202c); and the worm gear (202e) is fixed to the outside of the bidirectional threaded rod (202d).

6. The anti-blocking card Y521 backwash packer according to claim 5, characterized in that: The fixing member (202) further comprises a worm (202f) and a knob (202g), wherein the worm (202f) is rotatably connected to the positioning block (202a), the worm (202f) is meshed with the worm wheel (202e), and the knob (202g) is fixed to one end of the worm (202f).

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