Blowout prevention device for oil exploitation

Abstract

The utility model discloses a blowout prevention device for oil exploitation, which comprises a blowout prevention pipeline, a blowout prevention top cover and a blowout prevention plug, the top of the blowout prevention pipeline is fixedly connected with a flange, the edge of the flange is provided with fastening grooves which are uniformly distributed, the blowout prevention top cover is positioned at the top of the blowout prevention pipeline and is detachably connected with the blowout prevention pipeline, and the blowout prevention plug is arranged in the fastening grooves. The bottom of the blowout prevention top cover is provided with a blowout prevention plug, the blowout prevention plug is rotationally connected with the blowout prevention top cover, the lower edge of the blowout prevention top cover is provided with a protruding buckling table, the buckling table is connected with the edge of the flange in a buckled mode, the side wall of the blowout prevention top cover is provided with a limiting block, and the limiting block is connected with the buckling groove in a buckled mode. The blowout prevention device is composed of the blowout prevention pipeline, the blowout prevention top cover and the blowout prevention plug, the blowout prevention top cover can be fixedly installed on the top of the blowout prevention pipeline conveniently and rapidly, use of bolts is reduced, operation convenience of workers is improved, the blowout prevention device is matched with the blowout prevention plug to plug an oil exploitation pipeline, the blowout phenomenon is effectively avoided, and the blowout prevention effect is good. And the use and mining safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to petroleum exploitation technical field, concretely is a blowout preventer for petroleum exploitation. BACKGROUND

[0002] Petroleum refers to gaseous, liquid and solid hydrocarbon mixture, has natural occurrence, petroleum is a kind of viscous, dark brown liquid, upper layer part area of crust has petroleum storage, main component is the mixture of various alkane, naphthene, aromatic hydrocarbon, is one of main objects of geological exploration, petroleum is mainly used as fuel oil and gasoline, also is the raw material of many chemical industry products, such as solution, chemical fertilizer, pesticide and plastic etc.

[0003] At present, the blowout preventer for petroleum exploitation in the market usually uses a large number of bolts at the butt flange, on the one hand, increases the workload of the staff disassembly, on the other hand, also reduces the convenience of using the blowout preventer, and the butt joint is prone to leakage, which brings inconvenience to actual use. Therefore, a blowout preventer for petroleum exploitation is proposed. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies in the prior art, the utility model provides a blowout preventer for petroleum exploitation, which solves the problems of inconvenient disassembly and easy leakage of the existing blowout preventer for petroleum exploitation. The utility model utilizes the blowout preventer, the blowout preventer top cover and the blowout preventer plug to form the blowout preventer, which can conveniently and quickly fix and install the blowout preventer top cover on the top of the blowout preventer pipeline, reduce the use of bolts, improve the convenience of staff operation, cooperate with the blowout preventer plug to block the petroleum exploitation pipeline, greatly enhance the sealing property of blocking, effectively avoid the phenomenon of blowout, and improve the safety of use and exploitation.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model realizes by the following technical scheme: a blowout preventer for petroleum exploitation, including blowout preventer, blowout preventer top cover and blowout preventer plug, the top of the blowout preventer is fixedly connected with the flange, the edge of the flange is equipped with the evenly distributed buckle groove, the blowout preventer top cover is located at the top of the blowout preventer and is detachably connected with the blowout preventer, the bottom of the blowout preventer top cover is equipped with the blowout preventer plug, the blowout preventer plug is rotatably connected with the blowout preventer top cover, the lower edge of the blowout preventer top cover is equipped with the protruding buckle table, the buckle table and the edge of the flange are mutually buckled and connected, the sidewall of the blowout preventer top cover is equipped with the limiting block, and the limiting block and the buckle groove are mutually buckled and connected.

[0008] As an improvement of the above technical scheme, the connecting column is arranged at the connecting position of the blowout preventer plug and the blowout preventer top cover, and the blowout preventer plug is rotatably connected with the connecting column.

[0009] As the improvement of the above technical scheme, the side wall of the blowout preventer head is provided with an annular groove, and a sealing rubber ring is embedded and connected in the annular groove.

[0010] As the improvement of the above technical scheme, the blowout preventer head is internally provided with a sliding groove, and the limiting block is embedded in the sliding groove and in sliding connection with the sliding groove.

[0011] As the improvement of the above technical scheme, a guide inclined surface is formed at the lower edge of the limiting block, and an elastic sheet is arranged between the limiting block and the sliding groove.

[0012] As the improvement of the above technical scheme, the outer side wall of the blowout preventer head is provided with a pull rod in plug connection, and the inner end of the pull rod is fixedly connected with the limiting block.

[0013] (Three) beneficial effects

[0014] The utility model provides a blowout preventer device for oil exploitation. It has the following beneficial effects:

[0015] The utility model discloses a blowout preventer device for oil exploitation, which is composed of a blowout preventer pipe, a blowout preventer head and a blowout preventer head. The blowout preventer head is fixedly installed at the top of the blowout preventer pipe, reducing the use of bolts and improving the convenience of operation for workers. The blowout preventer head is used in combination with the blowout preventer head to block the oil exploitation pipe, greatly enhancing the sealing performance of the blockage and effectively preventing blowout phenomenon, thereby improving the safety of exploitation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structure schematic view of the whole blowout preventer device for oil exploitation.

[0017] Fig. 2 It is a structure schematic view of the whole blowout preventer device for oil exploitation.

[0018] Fig. 3 It is a structure schematic view of the whole blowout preventer device for oil exploitation.

[0019] In the figure: blowout preventer pipe-1, blowout preventer head-2, blowout preventer head-3, flange-4, buckling groove-5, buckling table-6, limiting block-7, connecting column-8, annular groove-9, sealing rubber ring-10, sliding groove-11, guide inclined surface-12, elastic sheet-13, pull rod-14. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0021] Please refer to Figs. 1-3 The utility model discloses an anti -blowout device for petroleum exploitation provides a technical scheme: an anti -blowout device for petroleum exploitation, including anti -blowout pipeline 1, anti -blowout top 2 and anti -blowout plug 3, the top of anti -blowout pipeline 1 is fixedly connected with the flange 4, the edge of flange 4 is equipped with the evenly distributed buckle groove 5, anti -blowout top 2 is located the top of anti -blowout pipeline 1 and with anti -blowout pipeline 1 can be dismantled and is connected, the bottom of anti -blowout top 2 is equipped with anti -blowout plug 3, anti -blowout plug 3 and anti -blowout top 2 rotation is connected, the lower edge of anti -blowout top 2 is equipped with the protruding buckle platform 6, the buckle platform 6 and the edge of flange 4 are mutually buckled and connected, the side wall of anti -blowout top 2 is equipped with the limit block 7, the limit block 7 and buckle groove 5 are mutually buckled and connected.

[0022] Further improvement, the connecting place of anti -blowout plug 3 and anti -blowout top 2 is equipped with connecting column 8, anti -blowout plug 3 and connecting column 8 rotation is connected, through anti -blowout plug 3 and anti -blowout top 2 rotation is connected, it is convenient to rotate anti -blowout top 2 after installing to anti -blowout pipeline 1, it is convenient to connect anti -blowout top 2 and anti -blowout plug 3.

[0023] Further improvement, the side wall of anti -blowout plug 3 is equipped with annular groove 9, the inside embedding of annular groove 9 is connected with sealing rubber ring 10, through being equipped with sealing rubber ring 10 in the side wall of anti -blowout plug 3, improve the airtightness of the connection between anti -blowout plug 3 and anti -blowout pipeline 1.

[0024] Further improvement, the inside of anti -blowout top 2 is equipped with sliding groove 11, the limit block 7 is embedded in sliding groove 11 and is connected with sliding groove 11 sliding, through being equipped with sliding groove 11 in the connecting place of anti -blowout top 2 and limit block 7, it is convenient for limit block 7 to stretch out and shrink, it is convenient to cooperate buckle groove 5 and limit anti -blowout top 2, improve the stability of anti -blowout top 2 and anti -blowout pipeline connection.

[0025] Further improvement, the lower edge of limit block 7 is equipped with guide inclined plane 12, the limit block 7 and sliding groove 11 are equipped with spring 13, through being equipped with guide inclined plane 12 in the lower edge of limit block 7, it is convenient to automatically push limit block 7 to shrink inwards when installing anti -blowout top 2, cooperate the spring 13 of inner wall, it is convenient to push limit block 7 and automatically pop out.

[0026] Specifically improved, the outer side wall of the blowout prevention top cover 2 is provided with a pull rod 14 connected by insertion, the inner end of the pull rod 14 is fixedly connected with the limiting block 7, by being provided with the pull rod 14 connected with the limiting block 7 on the outer side wall of the blowout prevention top cover 2, the movement of the limiting block 7 is facilitated, and the disassembly and assembly operation is facilitated.

[0027] The utility model discloses in using, will prevent spouting pipeline 1 pre -fixed installation in the top of exploitation pipeline, when needing to carry out the plugging of exploitation pipeline, will prevent spouting top cover 2 buckle in the top of prevent spouting pipeline 1, the buckle table 6 of prevent spouting top cover 2 inner wall is aligned with the buckle groove 5 at flange 4 edge, press down prevent spouting top cover 2, prevent spouting plug 3 embed prevent spouting pipeline 1, prevent spouting pipeline 1 is dead, then rotate prevent spouting top cover 2, make prevent spouting top cover 2 inner wall's buckle table 6 and the lower surface of flange 4 mutual buckle connection, after rotating prevent spouting top cover 2, limiting block 7 is embedded in buckle groove 5 under the action of elastic sheet 13, effectively prevent prevent spouting top cover 2 from rotating in use, improve the stability of prevent spouting top cover 2 and prevent spouting pipeline 1 connection, when removing prevent spouting top cover 2, pull rod 14 is pulled outward, limiting block 7 is inlaid in sliding groove 11, reverse rotation prevent spouting top cover 2 can be removed.

[0028] The utility model discloses solve the problem that the petroleum exploitation blowout preventer in market usually uses a large amount of bolt at the butt joint flange, on the one hand, increase the workload of staff disassembly, on the other hand, also reduce the convenience of using the blowout preventer, and the butt joint connection place is easy to leak, bring inconvenience to actual use, the utility model discloses utilize prevent spouting pipeline 1, prevent spouting top cover 2 and prevent spouting plug 3 and form prevent spouting device, convenient and fast prevent spouting top cover 2 fixed installation in the top of prevent spouting pipeline 1, reduce the use of bolt, improve the convenience of staff operation, cooperate prevent spouting plug 3 and carry out the plugging of petroleum exploitation pipeline, effectively avoid the phenomenon of blowout, improve the safety of use exploitation.

[0029] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" are based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

[0030] In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so the features limited by "first", "second", "third", "fourth" can explicitly or implicitly include at least one of the features.

[0031] In the utility model, unless another definite provision and limitation, the term " install ", " set ", " connect ", " fix ", " screw " and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated; can be mechanical connection, also can be electrical connection; can be directly connected, also can indirectly connect through intermediate medium, can be two element internal communication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the person of the art, can understand the above-mentioned term in the utility model's concrete meaning according to specific circumstances.

[0032] Finally should be explained is: above-mentioned only for the preferred embodiment of the utility model has, and does not for limiting the utility model, although referring to the foregoing embodiment has carried out detailed description to the utility model, for the person of the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical features thereof. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A blowout preventer for oil production, comprising a blowout preventer pipe (1), a blowout preventer head (2) and a blowout preventer cap (3), characterized in that: The flange (4) is uniformly provided with buckling grooves (5) at the edge, the blowout preventer top cover (2) is located at the top of the blowout preventer pipe (1) and detachably connected with the blowout preventer pipe (1), the blowout preventer top cover (2) is provided with a blowout preventer plug (3) at the bottom, the blowout preventer plug (3) is rotatably connected with the blowout preventer top cover (2), the blowout preventer top cover (2) is provided with a protruding buckling table (6) at the lower edge, the buckling table (6) and the edge of the flange (4) are buckled and connected with each other, the sidewall of the blowout preventer top cover (2) is provided with a limiting block (7), and the limiting block (7) and the buckling groove (5) are buckled and connected with each other.

2. A blowout preventer for use in oil production according to claim 1, characterized in that: The blowout preventer plug (3) is rotatably connected with the connecting column (8) at the connecting position of the blowout preventer plug (3) and the blowout preventer top cover (2).

3. A blowout preventer for oil production according to claim 1, characterized in that: The sidewall of the blowout preventer plug (3) is provided with an annular groove (9), and the sealing rubber ring (10) is embedded in the annular groove (9).

4. A blowout preventer for oil production according to claim 1, characterized in that: The blowout preventer top cover (2) is provided with a sliding groove (11) in the inside, the limiting block (7) is embedded in the sliding groove (11) and slidably connected with the sliding groove (11).

5. A blowout preventer for oil production according to claim 1, characterized in that: The lower edge of the limiting block (7) is provided with a guide inclined surface (12), and the limiting block (7) and the sliding groove (11) are provided with a spring sheet (13) therebetween.

6. A blowout preventer for oil production according to claim 1, characterized in that: The outer sidewall of the blowout preventer top cover (2) is provided with a pull rod (14) connected by inserting, and the inner end of the pull rod (14) is fixedly connected with the limiting block (7).

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