CN211500576U

CN211500576U - Plugging device in oil well

Info

Publication number: CN211500576U
Application number: CN202020178660.XU
Authority: CN
Inventors: 冯继军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-09-15
Anticipated expiration: 2030-02-18

Abstract

The utility model discloses an oil plugging device in pit, including the pipeline, the dead lever, crossbeam and bracing piece, the dead lever sets up in the pipeline top and passes through screwed connection with the pipeline, the crossbeam sets up in the dead lever top and passes through screwed connection with the dead lever, the bracing piece sets up in crossbeam bottom intermediate position and passes through screwed connection with the crossbeam, the nested stop gear that is equipped with in the bracing piece outside keeps swing joint with the bracing piece, when the blowout appears, the automatic shutoff oil well pipeline of baffle, do not need the staff to block oil well pipeline with the baffle, the injured circumstances of staff can not appear.

Description

Plugging device in oil well

Technical Field

The utility model relates to a plugging device technical field specifically says a plugging device in oil well.

Background

The oil well is a hole drilled by a well drilling method, after an oil layer is drilled, an oil layer casing pipe is put into the oil layer casing pipe, oil well cement is injected into an annular space between the casing pipe and the well wall to maintain the well wall and seal an oil, gas and water layer, then the oil layer is jetted by a perforating gun according to the requirements of oil field development to form a channel, and during the well drilling process of a drill bit, the well blowout condition of some oil fields can occur, and the pipeline port of the oil well needs to be sealed by a baffle.

However, analysis shows that when the well blowout occurs, the existing blocking device is easy to injure workers due to the fact that the blocking device cannot block in time.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned not enough, the utility model provides a plugging device in oil pit herein, when the blowout appears, the automatic shutoff oil well pipeline of baffle does not need the staff to block off oil well pipeline with the baffle, the injured condition of staff can not appear.

The utility model discloses a realize like this, construct an oil blocking device in pit, including pipeline, dead lever, crossbeam and bracing piece, the dead lever sets up in the pipeline top and passes through screwed connection with the pipeline, and the crossbeam sets up in the dead lever top and passes through screwed connection with the dead lever, and the bracing piece sets up in crossbeam bottom intermediate position and passes through screwed connection with the crossbeam, and the nested stop gear that is equipped with in the bracing piece outside keeps swing joint with the bracing piece.

Furthermore, the blocking mechanism comprises a first supporting plate, a second supporting plate, a movable disc, a connecting rod, a second fixing plate, a first sealing layer and a hinge, wherein the first supporting plate is nested at one end of the outer side of the supporting rod and welded with the supporting rod, the second supporting plate with the same specification is arranged at both ends of the bottom of the first supporting plate and welded with the first supporting plate, the movable disc is nested at the outer side of the supporting rod, the other end of the movable disc is movably connected with the supporting rod, both ends of the top of the hinge are connected with the second supporting plate through screws, two steel sheets with the same specification are arranged at the bottom of the hinge and movably connected with the hinge, a plurality of movable rods with the same specification are arranged at the bottom of the steel sheets and connected with the steel sheets through screws, a plurality of first fixing plates with the same specification are arranged at the top of the, one end of the connecting rod is movably connected with the first fixing plate through a bearing, and the other end of the connecting rod is movably connected with the second fixing plate through a bearing; when oil field blowout appears, the oil is from pipeline bottom blowout, strike the movable disk bottom, make the movable disk up remove along the bracing piece outside, drive first fixed plate rather than being connected up and remove, the connecting rod of being connected with first fixed plate promotes second fixed plate and movable rod up removal, the movable rod drives the steel sheet and rotates in the hinge outside, make the steel sheet drive first sealing layer and the laminating of pipeline medial surface, the steel sheet through setting up blocks the oil, prevent the oil blowout, thereby, the automatic shutoff oil well pipeline of baffle, do not need the staff with baffle shutoff oil well pipeline, staff's injured circumstances can not appear.

Furthermore, the first supporting plate is nested at one end of the outer side of the supporting rod and is welded with the supporting rod; the first supporting plate through setting up plays the effect of stopping to the hinge, plays limiting displacement to the steel sheet to, when the blowout appears, the automatic shutoff oil well pipeline of baffle does not need the staff to block oil well pipeline with baffle, the injured condition of staff can not appear.

Further, the first sealing layer is arranged at one end of the movable rod and is connected with the movable rod through a screw; the first sealing layer is made of rubber, and the oil is blocked by the arranged first sealing layer, so that the oil is prevented from being sprayed out from a gap between the pipeline and the movable rod.

Furthermore, a limiting plate is arranged at the bottom end of the supporting rod and is welded with the supporting rod; the limiting plate through setting up plays the effect of blockking to the activity dish, prevents that the activity dish from breaking away from the bracing piece.

The utility model discloses when the blowout appears, the automatic shutoff oil well pipeline of baffle does not need the staff to use baffle shutoff oil well pipeline, the injured condition of staff can not appear, and concrete advantage embodies:

the method has the advantages that: when oil field blowout appears, the oil is from pipeline bottom blowout, strike movable plate bottom, make the movable plate up remove along the bracing piece outside, drive first fixed plate rather than being connected up remove, the connecting rod of being connected with first fixed plate promotes second fixed plate and movable rod up remove, the movable rod drives the steel sheet and rotates in the hinge outside, make the steel sheet drive first sealing layer and the laminating of pipeline medial surface, block the oil through the steel sheet that sets up, prevent the oil blowout.

The method has the advantages that: move up through the control movable rod, make the movable rod strut the steel sheet, make the inboard and the laminating of hinge of steel sheet, the steel sheet outside blocks the oil through the steel sheet that sets up with the laminating of first sealing layer, and first sealing layer is made by rubber, blocks the oil through the first sealing layer that sets up, prevents that the oil from going out the blowout from the gap between pipeline and the movable rod.

Drawings

FIG. 1 is a schematic structural view of the downhole petroleum plugging device of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1;

FIG. 3 is a side sectional view of the hinge of the present invention;

FIG. 4 is a top view of the steel sheet of the present invention;

fig. 5 is a side view of the first support plate of the present invention.

The figure illustrates the format: pipeline 1, dead lever 2, crossbeam 3, bracing piece 4, limiting plate 41, barrier mechanism 5, first backup pad 51, second backup pad 52, movable rod 53, activity dish 54, first fixed plate 55, connecting rod 56, second fixed plate 57, first sealing layer 58, steel sheet 59 and hinge 510.

Detailed Description

The present invention will be described in detail below with reference to the attached drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention; furthermore, the terms "first," "second," "third," "upper, lower, left, right," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides an oil plugging device in pit through improving here, as shown in the description attached drawing, can implement according to following mode; the pipeline fixing device comprises a pipeline 1, a fixing rod 2, a cross beam 3 and a supporting rod 4, wherein the fixing rod 2 is arranged at the top of the pipeline 1 and is connected with the pipeline 1 through a screw, the cross beam 3 is arranged at the top of the fixing rod 2 and is connected with the fixing rod 2 through a screw, the supporting rod 4 is arranged at the middle position of the bottom of the cross beam 3 and is connected with the cross beam 3 through a screw, and a blocking mechanism 5 is nested on the outer side of the supporting rod 4 and is movably;

more specifically, the blocking mechanism 5 comprises a first supporting plate 51, a second supporting plate 52, a movable disc 54, a connecting rod 56, a second fixing plate 57, a first sealing layer 58 and a hinge 510, wherein the first supporting plate 51 is nested at one end of the outer side of the supporting rod 4 and welded with the supporting rod 4, the second supporting plate 52 with the same specification is arranged at both ends of the bottom of the first supporting plate 51 and welded with the first supporting plate 51, the movable disc 54 is nested at the outer side of the supporting rod 4 and movably connected with the supporting rod 4 at the other end, both ends of the top of the hinge 510 are connected with the second supporting plate 52 through screws, two steel sheets 59 with the same specification are arranged at the bottom of the hinge 510 and movably connected with the hinge 510 through screws, a plurality of movable rods 53 with the same specification are arranged at the bottom of the steel sheets 59 and connected with the steel sheets 59 through screws, a plurality of first fixing plates 55, the second fixed plate 57 is arranged at one end of the bottom of the movable rod 53 and welded with the movable rod 53, one end of the connecting rod 56 is movably connected with the first fixed plate 55 through a bearing, and the other end of the connecting rod 56 is movably connected with the second fixed plate 57 through a bearing; when oil field blowout occurs, oil is sprayed out of the bottom of the pipeline 1, the bottom of the movable disc 54 is impacted, the movable disc 54 moves upwards along the outer side of the support rod 4 to drive the first fixing plate 55 connected with the movable disc to move upwards, the connecting rod 56 connected with the first fixing plate 55 pushes the second fixing plate 57 and the movable rod 53 to move upwards, the movable rod 53 drives the steel sheet 59 to rotate on the outer side of the hinge 510, the steel sheet 59 drives the first sealing layer 58 to be attached to the inner side face of the pipeline, and the oil is blocked through the arranged steel sheet 59 to prevent the oil from being sprayed out;

more specifically, the first support plate 51 is nested at one end of the outer side of the support rod 4 and welded with the support rod 4; the hinge 510 is blocked by the arranged first supporting plate 51, and the steel sheet 59 is limited;

more specifically, the first sealing layer 58 is disposed at one end of the movable rod 53 and is connected to the movable rod 53 by a screw; the first sealing layer 58 is made of rubber, and the oil is blocked by the arranged first sealing layer 58, so that the oil is prevented from being sprayed out from a gap between the pipeline 1 and the movable rod 53;

more specifically, the bottom end of the support rod 4 is provided with a limit plate 41 and welded with the support rod 4; the limiting plate 41 is arranged to block the movable disc 54, so as to prevent the movable disc 54 from separating from the support rod 4.

The working principle of the underground petroleum plugging device is as follows: when oil field blowout appears, oil spouts from pipeline 1 bottom, strike activity dish 54 bottom, make activity dish 54 up move along the bracing piece 4 outside, drive first fixed plate 55 rather than being connected and move up, connecting rod 56 who is connected with first fixed plate 55 promotes second fixed plate 57 and movable rod 53 and moves up, move up through controlling movable rod 53, make movable rod 53 strut steel sheet 59, movable rod 53 drives steel sheet 59 and rotates in the hinge 510 outside, make steel sheet 59 drive first sealing layer 58 and the laminating of pipeline medial surface, block oil through the steel sheet 59 that sets up, prevent oil blowout, first sealing layer 58 is made by rubber, block oil through the first sealing layer 58 that sets up, prevent that oil from exporting the blowout from the gap between pipeline 1 and the movable rod 53.

In conclusion; the utility model discloses plugging device in the pit of oil compares with current plugging device in the pit of oil, and when the blowout appears, the automatic shutoff oil well pipeline of baffle does not need the staff to block off oil well pipeline with the baffle, the injured condition of staff can not appear.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a plugging device in oil pit, includes pipeline (1), dead lever (2), crossbeam (3) and bracing piece (4), its characterized in that: dead lever (2) set up in pipeline (1) top and pass through screwed connection with pipeline (1), crossbeam (3) set up in dead lever (2) top and pass through screwed connection with dead lever (2), bracing piece (4) set up in crossbeam (3) bottom intermediate position and pass through screwed connection with crossbeam (3), the nested stop mechanism (5) that is equipped with in bracing piece (4) outside keeps swing joint with bracing piece (4).

2. An oil downhole plugging device according to claim 1, wherein: stop mechanism (5) including first backup pad (51), second backup pad (52), activity dish (54), connecting rod (56), second fixed plate (57), first sealing layer (58) and hinge (510), first backup pad (51) bottom both ends all are equipped with the same second backup pad of specification (52) and weld with first backup pad (51), activity dish (54) nestification sets up in bracing piece (4) outside and the other end keeps swing joint with bracing piece (4), hinge (510) top both ends pass through screwed connection with second backup pad (52), two same steel sheet of specification (59) are installed to hinge (510) bottom and keep swing joint with hinge (510), steel sheet (59) bottom is equipped with the same movable rod of a plurality of specifications (53) and passes through screwed connection with steel sheet (59), activity dish (54) top is equipped with the same first fixed plate of a plurality of specifications (55) and welds with activity dish (54) And the second fixing plate (57) is arranged at one end of the bottom of the movable rod (53) and welded with the movable rod (53), one end of the connecting rod (56) is movably connected with the first fixing plate (55) through a bearing, and the other end of the connecting rod (56) is movably connected with the second fixing plate (57) through a bearing.

3. An oil downhole plugging device according to claim 2, wherein: the first supporting plate (51) is nested at one end of the outer side of the supporting rod (4) and welded with the supporting rod (4).

4. An oil downhole plugging device according to claim 2, wherein: the first sealing layer (58) is arranged on the outer side of the steel sheet (59) and connected with the steel sheet (59) through screws.

5. An oil downhole plugging device according to claim 1, wherein: and a limiting plate (41) is arranged at the bottom end of the supporting rod (4) and is welded with the supporting rod (4).