Wellhead safety protection device of oil field water injection well

Abstract

The utility model discloses an oil field water injection well mouth safety protection device which comprises an oil field water injection well mouth water injection channel and a protection ring fixedly connected to the top of the oil field water injection well mouth water injection channel. A plurality of fixing assemblies used for fixing the protective ring are arranged at the edge of the protective ring at equal intervals, each fixing assembly comprises an installation groove formed in the protective ring, a fixing bolt is rotationally installed on the side face of the inner wall of each installation groove through a bearing, a threaded sleeve is in threaded connection with each fixing bolt, and a fixing clamping plate is fixedly connected to the bottom of each threaded sleeve. The protective ring can be suitable for installation and fixation of well mouths with different calibers through the arrangement of the adjustable fixing assembly, and sundries falling from the well mouths can be received through the arrangement of the protective net, so that the sundries are prevented from falling into the well, and then the practicability of the protective ring is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oilfield wellhead protection technical field especially relates to a kind of oilfield injection well wellhead safety protection device. BACKGROUND

[0002] The wellhead of the injection well of oilfield is often higher than ground by a section, and protective measures need to be taken for the wellhead when it is not in use to prevent accidents.

[0003] A kind of oilfield injection wellhead protection device is disclosed in Chinese patent with publication number CN209621277U, including wellhead, protective cover, positioning plate, limiting plate, cover plate, connecting plate, screw rod, the protective cover has protective cover inner hole, wellhead is arranged in protective cover inner hole, protective cover lower surface is connected with ground, positioning plate outside is connected with protective cover inner hole, positioning plate has multiple insertion rods, protective cover inner side has multiple insertion rod grooves, insertion rod and insertion rod groove are adapted, insertion rod is inserted into insertion rod groove, positioning plate has positioning side plate, positioning side plate has wellhead groove, wellhead outside and wellhead groove are adapted, wellhead outside is connected with wellhead groove, positioning plate is symmetrically arranged on the left and right sides of wellhead, limiting plate hole is formed in the upper portion of positioning side plate, limiting plate groove is formed in the inner side of protective cover, limiting plate groove corresponds with limiting plate hole, limiting plate is inserted into limiting plate groove through limiting plate hole, limiting plate lower surface is connected with wellhead upper surface, limiting plate is connected with wellhead by bolt, protective cover diameter is greater than wellhead diameter, and protective cover is higher than wellhead.

[0004] Although the above technical solution solves the corresponding technical problems, the above technical solution still has the following defects:

[0005] The above technical solution is not convenient to adjust the installation distance from the wellhead, so it is difficult to be applicable to wellhead installation of different diameters, and it is not convenient to receive falling objects, so it is easy to cause the falling of sundries into the well, thereby causing poor practicality. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of oilfield injection well wellhead safety protection device, not only by being provided with adjustable fixed component, so that protective ring can be applicable to the wellhead installation of different diameters, and by being provided with protective net, the sundries falling from wellhead can be received, so as to avoid the falling of sundries into the well, thereby improve the practicality of the utility model

[0007] In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises:

[0008] A kind of oilfield injection well wellhead safety protection device, comprising:

[0009] The utility model provides an oilfield injection well wellhead water injection channel and the protection ring fixedly connected at the top of the oilfield injection well wellhead water injection channel, the top of protection ring is provided with detachable protection cover, the edge of protection ring is provided with equidistance arrangement a plurality of fixed components for fixing protection ring.

[0010] The oilfield injection well wellhead safety protection device, wherein the fixed component comprises a mounting groove opened on the protection ring, a side surface of an inner wall of the mounting groove is rotatably installed with a fixing bolt through a bearing, a threaded sleeve is threadedly connected to the fixing bolt, and a fixing clamp plate is fixedly connected to a bottom of the threaded sleeve.

[0011] The oilfield injection well wellhead safety protection device, wherein a side surface of the fixing clamp plate is fixedly connected with a clamping pad.

[0012] The oilfield injection well wellhead safety protection device, wherein a top of the threaded sleeve is fixedly connected with a limiting sliding block, and a top of the inner wall of the mounting groove and a position corresponding to the limiting sliding block are provided with a limiting sliding groove matched with the limiting sliding block.

[0013] The oilfield injection well wellhead safety protection device, wherein a side surface of the protection ring and a position corresponding to the fixing bolt are provided with a limiting bearing sleeve rotatably connected with the fixing bolt.

[0014] The oilfield injection well wellhead safety protection device, wherein an inside of the oilfield injection well wellhead water injection channel is further provided with a detachable protection net.

[0015] The oilfield injection well wellhead safety protection device, wherein an inner wall of the oilfield injection well wellhead water injection channel and a position corresponding to the protection net are fixedly connected with a positioning ring, and a bottom of the protection net and a top of the positioning ring are in contact with each other.

[0016] The oilfield injection well wellhead safety protection device, wherein a center of a top of the protection net is fixedly connected with an operation handle.

[0017] The oilfield injection well wellhead safety protection device, wherein an edge of a bottom of the protection net is fixedly connected with equidistance arrangement a plurality of positioning columns, and the positioning ring and a position corresponding to the positioning columns are provided with a plurality of positioning holes corresponding one by one with the positioning columns.

[0018] The utility model at least has following beneficial effects:

[0019] The oilfield injection well wellhead safety protection device provided by the utility model can be fixed on the wellhead of different diameters through the adjustable fixing assembly, and the falling sundries can be received through the protective net, so that the sundries cannot fall into the well, and the practicability of the utility model is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and serve to explain the principles of the application, and do not limit the application. In the drawings:

[0021] Figure 1 It is a structural schematic view of the oilfield injection well wellhead safety protection device of the utility model;

[0022] Figure 2 It is a structural schematic view of the oilfield injection well wellhead safety protection device of the utility model installed on the wellhead;

[0023] Figure 3 It is a structural schematic view of the oilfield injection well wellhead safety protection device of the utility model; Figure 2

[0024] Figure 4 It is a structural schematic view of the protective net in the oilfield injection well wellhead safety protection device of the utility model;

[0025] Figure 5 It is a structural schematic view of the positioning ring in the oilfield injection well wellhead safety protection device of the utility model.

[0026] BRIEF DESCRIPTION OF DRAWINGS

[0027] 1, oilfield injection well wellhead injection channel; 2, protective ring; 3, protective cover; 4, fixing assembly; 5, protective net;

[0028] 401, installation groove; 402, fixed bolt; 403, threaded sleeve; 404, fixed clamping plate; 4041, clamping pad;

[0029] 4021, limit bearing sleeve;

[0030] 4031, limit sliding block; 4032, limit sliding slot;

[0031] 501, positioning ring;

[0032] 502, operation handle;

[0033] 503, positioning column; 5031, positioning hole. DETAILED DESCRIPTION

[0034] ​The embodiments of the present application will be described in detail below with the accompanying drawings and examples, so that the realization process of how the present application applies technical means to solve technical problems and achieves technical effects can be fully understood and implemented.

[0035] Please refer to Figures 1 to 5 The utility model discloses an oilfield injection well wellhead safety protection device provides, including: oilfield injection well wellhead injection channel 1 and the fixed connection of oilfield injection well wellhead injection channel 1 top's protection ring 2, the top of protection ring 2 is provided with detachable protection cover 3, and the edge of protection ring 2 is provided with the fixed assembly 4 for fixing protection ring 2 of equidistance arrangement several,

[0036] Through adopting the above technical scheme, not only through setting adjustable fixed assembly 4, make protection ring 2 can be applicable to the wellhead installation fixed of different caliber, and through setting protection net 5 can be received the sundries of wellhead drop, to avoid sundries drop to well, then improved the practicability of the utility model.

[0037] Please refer to Figures 1 to 5 Fixed assembly 4 includes the installation groove 401 being opened in protection ring 2, the side of the inner wall of installation groove 401 is rotatably installed with fixed bolt 402 through bearing, and the fixed bolt 402 is threadedly connected with threaded sleeve 403, the bottom of threaded sleeve 403 is fixedly connected with fixed clamping plate 404, by rotating fixed bolt 402, and under the thread action of threaded sleeve 403, drive fixed clamping plate 404 to approach wellhead inner wall, and then the oilfield injection well wellhead injection channel 1 can be stably supported in wellhead.

[0038] Please refer to Figures 1 to 5 The side of fixed clamping plate 404 is fixedly connected with clamping pad 4041, and the stability of fixed clamping plate 404 abutting to wellhead is increased by setting clamping pad 4041.

[0039] Please refer to Figures 1 to 5 The top of threaded sleeve 403 is fixedly connected with limit sliding block 4031, and the top of the inner wall of installation groove 401 and the position corresponding limit sliding block 4031 are provided with limit sliding groove 4032 matched with limit sliding block 4031, and the threaded sleeve 403 is limited by setting limit sliding block 4031 and limit sliding groove 4032, so as to increase the stability of threaded sleeve 403 adjustment.

[0040] Please refer to Figures 1 to 5 The side of protection ring 2 and the position corresponding fixed bolt 402 are installed with limit bearing sleeve 4021 rotatably connected with fixed bolt 402, and the fixed bolt 402 is limited by limit bearing sleeve 4021, so as to increase the stability of fixed bolt 402 rotation.

[0041] Please refer to Figures 1 to 5 As shown, the inside of the oilfield injection wellhead injection channel 1 is also provided with a detachable protective net 5, which can receive the falling sundries at the wellhead, thereby avoiding the sundries from falling into the well.

[0042] Please refer to Figures 1 to 5 As shown, the inner wall of the oilfield injection wellhead injection channel 1 is fixedly connected with a positioning ring 501 corresponding to the position of the protective net 5, and the bottom of the protective net 5 is in contact with the top of the positioning ring 501, which increases the stability of the protective net 5 installed in the oilfield injection wellhead injection channel 1.

[0043] Please refer to Figures 1 to 5 As shown, the top center of the protective net 5 is fixedly connected with an operating handle 502, which facilitates pulling and taking out the protective net 5.

[0044] Please refer to Figures 1 to 5 As shown, the edge of the bottom of the protective net 5 is fixedly connected with a plurality of positioning columns 503 arranged at equal distances, and the positioning ring 501 is provided with a plurality of positioning holes 5031 corresponding to the positioning columns 503, which limits the protective net 5 and increases the stability of the protective net 5 installed on the positioning ring 501.

[0045] The working principle of the utility model is: first, the oilfield injection wellhead injection channel 1 is placed in the wellhead, and the protective ring 2 abuts on the wellhead, then the fixed bolt 402 is rotated, under the thread action of the fixed bolt 402 and the threaded sleeve 403, the fixed clamp plate 404 at the bottom of the fixed clamp plate 404 is moved, and the clamping pad 4041 on the side of the fixed clamp plate 404 abuts on the inner wall of the wellhead, so that the oilfield injection wellhead injection channel 1 can be conveniently installed, and the adjustable fixed clamp plate 404 can be used to install and fix the oilfield injection wellhead injection channel 1 with different diameters, and the protective net 5 can receive the falling sundries at the wellhead, thereby avoiding the sundries from falling into the well, thereby improving the practicability of the utility model.

[0046] The above description shows and describes several preferred embodiments of the present application, but as previously described, it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the application conceived herein, by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the claims of the present application.

Claims

1. An oilfield injection wellhead safety protection device, comprising an oilfield injection wellhead injection channel (1) and a protection ring (2) fixedly connected to the top of the oilfield injection wellhead injection channel (1), characterized in that, The top of the protective ring (2) is provided with a detachable protective cover (3), and the edge of the protective ring (2) is provided with a plurality of fixing assemblies (4) arranged at equal distances.

2. The safety protector for the wellhead of the water injection well of claim 1, characterized in that: The fixing assembly (4) comprises a mounting groove (401) opened on the protective ring (2), the side surface of the inner wall of the mounting groove (401) is rotatably connected with a fixing bolt (402) through a bearing, the fixing bolt (402) is threadedly connected with a threaded sleeve (403), and the bottom of the threaded sleeve (403) is fixedly connected with a fixing clamp plate (404).

3. An oilfield injection wellhead safety protector according to claim 2, characterized in that: The side surface of the fixing clamp plate (404) is fixedly connected with a clamping pad (4041).

4. An oilfield injection wellhead safety protector according to claim 3, characterized in that: The top of the threaded sleeve (403) is fixedly connected with a limiting sliding block (4031), and the top of the inner wall of the mounting groove (401) and corresponding to the position of the limiting sliding block (4031) is provided with a limiting sliding groove (4032) matched with the limiting sliding block (4031).

5. An oilfield injection wellhead safety protector according to claim 4, characterized in that: The side surface of the protective ring (2) and corresponding to the position of the fixing bolt (402) is provided with a limiting bearing sleeve (4021) rotatably connected with the fixing bolt (402).

6. An oilfield injection wellhead safety protector according to claim 5, characterized in that: The inside of the oilfield injection well wellhead water injection channel (1) is also provided with a detachable protective net (5).

7. An oilfield injection wellhead safety protector according to claim 5, characterized in that: The inner wall of the oilfield injection well wellhead water injection channel (1) and corresponding to the position of the protective net (5) is fixedly connected with a positioning ring (501), and the bottom of the protective net (5) and the top of the positioning ring (501) are in contact with each other.

8. An oilfield injection wellhead safety guard according to claim 7, characterized in that: The top of the protective net (5) is fixedly connected with an operating handle (502) at the center.

9. An oilfield injection wellhead safety guard according to claim 8, characterized in that: The edge of the bottom of the protective net (5) is fixedly connected with a plurality of positioning columns (503) arranged at equal distances, and the positioning ring (501) is provided with a plurality of positioning holes (5031) corresponding to the positioning columns (503) one by one.

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