Non-welding quick-assembly casing cement head

Abstract

The utility model discloses a non-welding fast-assembly casing pipe cement head, which belongs to the technical field of cement heads, and comprises a cement head, an installation pipe, a plurality of union slurry inlets and a stop pin assembly, a fixed clamping groove is arranged at the position of one end of the cement head close to the bottom, two connecting clamping blocks are arranged on the fixed clamping groove, and the two connecting clamping blocks are connected with the installation pipe. And first connecting plates are integrally arranged at the two ends of the connecting clamping blocks correspondingly, a connecting pipe is connected between the bottoms of the two connecting clamping blocks through connecting bolts, and a first hoop groove is formed in the bottom of the mounting pipe. According to the utility model, the connecting pipe, the clamp block and other parts are matched for use, so that the cement head can be conveniently connected and fixed, the mounting work of cement heads with different sizes is realized, and the convenience and adaptability of the mounting are improved.

Description

Technical Field

[0001] This utility model relates to the field of cement head technology, specifically a non-welded quick-installation sleeve cement head. Background Technology

[0002] With the continuous development of drilling technology, deep and ultra-deep wells have become an important direction for oil and gas development, and the cementing operation environment is becoming increasingly complex. Among them, the cement head, as one of the key pieces of equipment in cementing operations, requires operators to perform tasks such as tool installation, plug release, and manifold switching at the wellhead, which places higher demands on the overall safety and ease of operation of the casing cement head.

[0003] However, existing non-welded quick-install cement heads have the following problems during use: due to the relatively simple structure of the clamps, different sizes of cement heads can only be fixed with corresponding clamps, which cannot effectively secure cement heads of different sizes, making installation inconvenient. Therefore, it is necessary to design corresponding technical solutions to solve the existing technical problems. Utility Model Content

[0004] The purpose of this utility model is to provide a non-welded quick-installation sleeve cement head, which solves the technical problem that the installation of cement heads is inconvenient because the structure of the clamp is relatively simple and different sizes of cement heads can only be fixed with corresponding clamps. This meets the actual use needs.

[0005] To achieve the above objectives, this utility model provides the following technical solution: it includes a cement head, an installation pipe, several union mud inlets and a stop pin assembly. The cement head has a fixing groove near one end of its bottom. The fixing groove has two connecting blocks. Each connecting block has a first connecting plate integrally installed at both ends. The bottoms of the two connecting blocks are connected by a connecting bolt to a connecting pipe. The bottom of the connecting pipe has a clamp groove.

[0006] Two clamping plates are provided at one top end of the installation tube. A second connecting plate is integrally connected to both ends of the clamping plates. A clamping ring is provided on the top inner side of the clamping plate. A clamping block is provided on the inner ring of the clamping ring. A clamping groove is provided on the inner side of the clamping plate near the bottom end. A sealing top block is provided on the top of the installation tube.

[0007] In a preferred embodiment of this utility model, a cement head cap is integrally connected to the top of the cement head, a plurality of union mud inlets are evenly installed on the cement head, the stop pin assembly is integrally connected to the cement head, and the cross-section of the installation pipe is T-shaped.

[0008] In a preferred embodiment of this utility model, a portion of the connecting block is located on the fixing slot, and the first connecting plate and the second connecting plate are fixedly connected by a bolt and nut structure. The connecting bolt passes through the connecting block and is threadedly connected to the top of the connecting pipe.

[0009] In a preferred embodiment of this utility model, the inner ring of the connecting pipe is circular, and the outer ring is either circular or conical. The clamp block is inserted into the clamp groove, and the connecting pipe is located inside the clamp plate.

[0010] In a preferred embodiment of this utility model, both the clamp plate and the connecting block are semi-circular ring structures. The side of the clamp ring is fixedly connected to the outer side of the clamp plate by bolts, and the outer side of the clamp ring is attached to the inner wall of the clamp plate.

[0011] In a preferred embodiment of this utility model, the structural dimensions of the clamp block are the same as those of the clamp groove one, the clamp groove two is snapped onto the top of the installation pipe, the sealing top block is in the form of a circular ring structure, the outer ring size of the sealing top block is the same as the inner ring size of the clamp plate, and the inner ring size is the same as the inner wall of the bottom end of the cement head.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] By using connecting pipes and clamp rings, cement heads can be easily fixed to the installation pipe, and the system can adapt to the rapid installation needs of cement heads of different sizes. When installing cement heads, connecting pipes or clamp rings of the corresponding size can be selected and installed on the connecting block and clamp plate. During installation, the connecting pipe is placed on the sealing block at the top of the installation end, and the connecting pipe is clamped and fixed by the clamp block on the clamp ring. This clamps and fixes the cement head, improving the convenience of installation and solving the problem of inconvenient installation. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall design of this utility model;

[0015] Figure 2 This is a structural diagram of the connecting pipe described in this utility model;

[0016] Figure 3 This is a structural diagram of the clamp plate described in this utility model.

[0017] In the diagram: Cement head cap-1, Unified mud inlet-2, Cement head-3, Connecting pipe-4, Installation pipe-5, Clamp plate-6, Connecting block-7, Stop pin assembly-8, Sealing top block-9, Clamp groove two-10, Second connecting plate-11, Clamp ring-12, Clamp block-13, Clamp groove one-14, First connecting plate-15, Fixing groove-16, Connecting bolt-17. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figure 1-3 This utility model provides a technical solution: a non-welded quick-installation sleeve cement head, comprising: a cement head 3, an installation pipe 5, several union mud inlets 2 and a stop pin assembly 8. The cement head 3 is provided with a fixing groove 16 near the bottom end. Two connecting blocks 7 are provided on the fixing groove 16. A first connecting plate 15 is integrally provided on both ends of the connecting blocks 7. The bottom of the two connecting blocks 7 is connected to the connecting pipe 4 by connecting bolts 17. A clamp groove 14 is provided on the bottom of the connecting pipe 4.

[0020] Two clamping plates 6 are provided at the top end of the mounting pipe 5. A second connecting plate 11 is integrally connected to both ends of the clamping plate 6. A clamping ring 12 is provided on the top inner side of the clamping plate 6. A clamping block 13 is provided on the inner ring of the clamping ring 12. A clamping groove 10 is provided on the inner side of the clamping plate 6 near the bottom end. A sealing top block 9 is provided on the top of the mounting pipe 5.

[0021] Further improvements include an integrally connected cement head cap 1 on the top of the cement head 3, several uniformly installed slurry inlets 2 on the cement head 3, an integrally connected stop pin assembly 8 on the cement head 3, and a "T" shaped cross-section for the pipe opening of the installation pipe 5.

[0022] In a further improvement, part of the connecting block 7 is located on the fixed slot 16, and the first connecting plate 15 and the second connecting plate 11 are fixedly connected by bolts and nuts. The connecting bolt 17 passes through the connecting block 7 and is threaded to the top of the connecting pipe 4.

[0023] Further improvements include a circular inner ring for the connecting pipe 4 and a circular or conical outer ring for the connecting pipe 4. The clamp block 13 is inserted into the clamp groove 14, and the connecting pipe 4 is located inside the clamp plate 6.

[0024] In a further improvement, both the clamp plate 6 and the connecting block 7 are semi-circular ring structures. The side of the clamp ring 12 is fixedly connected to the outer side of the clamp plate 6 by bolts, and the outer side of the clamp ring 12 is attached to the inner wall of the clamp plate 6.

[0025] Further improvements include that the structural dimensions of clamp block 13 are the same as those of clamp groove 14, clamp groove 10 is snapped onto the top of installation pipe 5, and sealing top block 9 has an overall annular structure. The outer ring size of sealing top block 9 is the same as the inner ring size of clamp plate 6, and the inner ring size is the same as the inner wall of the bottom end of cement head 3.

[0026] In use: First, according to the size of the installation pipe 5, select the corresponding size clamp plate 6 and fix the clamp ring 12 to the clamp plate 6. Place the sealing top block 9 on the top of the installation pipe 5. At this time, place part of the connecting block 7 on the fixing groove 16 and fix the first connecting plate 5 with bolts and nuts. Then, fix the corresponding size connecting pipe 4 to the connecting block 7 with bolts. During installation, after aligning the bottom of the connecting pipe 4 with the top of the sealing top block 9, move the two clamp plates 6 to the connecting pipe 4 and the installation pipe 5. Simultaneously, the clamp groove 10 is clamped on the top of the installation pipe 5, the clamp block 13 moves to the clamp groove 14, and the second connecting plate 11 is fixedly connected with bolts and nuts. The cement head clamp is then fixed to the installation pipe 5.

[0027] The cement cap-1 of this utility model consists of a slurry inlet-2, a cement head-3, a connecting pipe-4, an installation pipe-5, a clamp plate-6, a connecting block-7, a stop pin assembly-8, a sealing top block-9, a second clamp groove-10, a second connecting plate-11, a clamp ring-12, a clamp block-13, a first clamp groove-14, a first connecting plate-15, a fixing groove-16, and a connecting bolt-17. All components are general standard parts or parts known to those skilled in the art. Their structure and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods. The problem solved by this utility model is... The structure of traditional clamps is relatively simple. When installing cement heads, different sizes of cement heads can only be fixed with clamps of corresponding sizes, which makes installation inconvenient due to the inability to properly fix cement heads of different sizes. This invention, through the combination of the above-mentioned components, such as the connecting block, connecting pipe, clamp ring, and clamp block, can conveniently fix cement heads of different sizes. By fixing the connecting pipe and clamp ring of different sizes with bolts, it is possible to easily adapt cement heads of different sizes to the clamp plate, thereby facilitating the fixing of cement heads and improving installation efficiency.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A non-welded quick-installation sleeve cement head, characterized in that: It includes a cement head (3), an installation pipe (5), several union mud inlets (2) and a stop pin assembly (8). The cement head (3) has a fixing groove (16) near the bottom end. The fixing groove (16) has two connecting blocks (7). Both ends of the connecting blocks (7) are integrally provided with a first connecting plate (15). The bottoms of the two connecting blocks (7) are connected to a connecting pipe (4) by connecting bolts (17). The bottom of the connecting pipe (4) is provided with a clamp groove (14). Two clamping plates (6) are provided on one top end of the mounting tube (5). A second connecting plate (11) is integrally connected to both ends of the clamping plate (6). A clamping ring (12) is provided on the top inner side of the clamping plate (6). A clamping block (13) is provided on the inner ring of the clamping ring (12). A clamping groove (10) is provided on the inner side of the clamping plate (6) near the bottom end. A sealing top block (9) is provided on the top of the mounting tube (5).

2. The non-welded quick-installation sleeve cement head according to claim 1, characterized in that: The top of the cement head (3) is integrally connected to a cement head cap (1), and several of the Union mud inlets (2) are evenly installed on the cement head (3). The stop pin assembly (8) is integrally connected to the cement head (3), and the cross-section of the pipe opening of the installation pipe (5) is "T" shaped.

3. The non-welded quick-installation sleeve cement head according to claim 1, characterized in that: Part of the connecting block (7) is located on the fixed slot (16). The first connecting plate (15) and the second connecting plate (11) are fixedly connected by bolts and nuts. The connecting bolt (17) passes through the connecting block (7) and is threaded to the top of the connecting pipe (4).

4. The non-welded quick-installation sleeve cement head according to claim 1, characterized in that: The inner ring of the connecting pipe (4) is circular, and the outer ring is either circular or conical. The clamp block (13) is inserted into the clamp groove (14), and the connecting pipe (4) is located inside the clamp plate (6).

5. The non-welded quick-installation sleeve cement head according to claim 1, characterized in that: Both the clamp plate (6) and the connecting block (7) are semi-circular ring structures. The side of the clamp ring (12) is fixedly connected to the outer side of the clamp plate (6) by bolts. The outer side of the clamp ring (12) is attached to the inner wall of the clamp plate (6).

6. The non-welded quick-installation sleeve cement head according to claim 1, characterized in that: The structural dimensions of the clamp block (13) are the same as those of the clamp groove one (14). The clamp groove two (10) is clamped on the top of the installation pipe (5). The sealing top block (9) has an overall ring structure. The outer ring size of the sealing top block (9) is the same as that of the inner ring of the clamp plate (6), and the inner ring size is the same as that of the bottom end of the cement head (3).

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