CN212027726U - High-pressure oil gas well logging cable sealing device - Google Patents

Abstract

The utility model provides a high pressure oil gas well logging cable sealing device, including the big cross of well head, connect the through hole has been seted up to the solid fixed ring's of second upper surface, and the solid fixed ring's of second outside symmetry set up with the spacing hole of connect the through hole intercommunication, the top of the big cross of well head is provided with the well head and hangs sealing flange, the mounting groove has been seted up to the outside symmetry of go-between, the equal fixed mounting in inboard of every mounting groove has reset spring, reset spring's one end fixedly connected with and the gag lever post that spacing hole corresponds. The utility model provides a pair of high pressure oil gas well logging cable sealing device. The utility model provides a high pressure oil gas well logging cable sealing device, well head hang and seal flange and well head big cross between be connected through go-between and the solid fixed ring of second to utilize gag lever post and spacing hole, the card is solid under reset spring's effect, thereby has solved the well head and has hung sealed flange installation comparatively fixed, leads to being difficult to the dismouting, has caused the inconvenient problem of maintenance.

Description

High-pressure oil gas well logging cable sealing device

Technical Field

The utility model relates to an oil well oil recovery technical field especially relates to a high pressure oil gas well logging cable sealing device.

Background

At present, an oil well widely adopts an oil-submersible electric pump oil production technology, and has the characteristics of simple operation, convenient management, longer maintenance-free period, relatively higher oil well production time efficiency and the like.

Chinese patent network application CN201620077503.3 discloses a well head cable passes through sealing device, including the big cross of well head, well head suspension seal flange, the well head draws and connects the cable, cable seal connects, its characterized in that installs well head suspension seal flange on the top of the big cross of well head, is equipped with the screw hole on the terminal surface of well head suspension seal flange, installs cable seal on the screw hole and connects, the screw hole on the well head suspension seal flange terminal surface is worn out to the cable inside the big cross of well head, every cable seals through the taper sleeve and is connected with cable seal, the well head draws and connects the cable in cable seal connects upper end. Although the utility model has reasonable design, simple structure, easy manufacture, convenient installation and reliable sealing performance. However, the wellhead suspension sealing flange is relatively fixed, so that the wellhead suspension sealing flange is difficult to disassemble and assemble, and the problem of inconvenient maintenance is caused; and the well head hangs the leakproofness of sealed flange and the big cross of well head relatively poor, causes the corruption because of the infiltration easily, shortens life. Therefore, it is necessary to provide a high-pressure oil and gas well logging cable sealing device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-pressure oil gas well logging cable sealing device, which solves the problems that the installation of a well head suspension sealing flange is fixed, the disassembly and the assembly are difficult, and the maintenance is inconvenient; and the well head hangs the leakproofness of sealed flange and the big cross of well head relatively poor, causes the corruption because of the infiltration easily, shortens life's problem.

For solving the technical problem, the utility model provides a pair of high pressure oil gas well logging cable sealing device, including the big cross of well head, the solid fixed ring of outside fixed mounting of the big cross of well head, connect the through-hole has been seted up to the solid fixed ring's of second upper surface, just the spacing hole with the connect the through-hole intercommunication is seted up to the solid fixed ring's of second outside symmetry, the top of the big cross of well head is provided with the well head and hangs sealing flange, the well head hangs sealing flange's lower fixed surface and installs the go-between that corresponds with connect the through-hole, the mounting groove has been seted up to the outside symmetry of go-between, every the equal fixed mounting in inboard of mounting groove has reset spring, reset spring's one end fixedly connected with.

Preferably, a sealing plug is arranged in the limiting hole and is positioned on the outer side of the second fixing ring.

Preferably, the outside fixed mounting of the second fixed ring has a seal housing, the outside fixed mounting that the well head hangs the seal flange has a first fixed ring, the lower fixed surface of first fixed ring installs the sealing ring that matches with seal housing.

Preferably, the sealing ring is made of rubber materials, and the sealing ring and the wellhead suspension sealing flange are of an integrally formed structure.

Preferably, the connecting ring and the wellhead suspension sealing flange are of an integrally formed structure, and the second fixing ring and the wellhead large four-way are of an integrally formed structure.

Preferably, the upper surface of the wellhead suspension sealing flange is fixedly provided with a cable sealing joint, and the cable sealing joint penetrating through a wellhead large four-way joint is arranged inside the cable sealing joint.

Compared with the prior art, the utility model provides a pair of high pressure oil gas well logging cable sealing device has following beneficial effect:

the utility model provides a high pressure oil gas well logging cable sealing device, well head hang and seal flange and well head big cross between be connected through go-between and the solid fixed ring of second to utilize gag lever post and spacing hole, the card is solid under reset spring's effect, thereby has solved the well head and has hung sealed flange installation comparatively fixed, leads to being difficult to the dismouting, has caused the inconvenient problem of maintenance.

The utility model provides a high pressure oil gas well logging cable sealing device, well head hang and are provided with first solid fixed ring and seal housing between the big cross of sealed flange and well head to it is sealed through the sealing ring between first solid fixed ring and seal housing, it is relatively poor to have solved the leakproofness that the big cross of well head hung sealed flange and well head, causes the corruption because of the infiltration easily, shortens life's problem.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a high-pressure oil and gas well logging cable sealing device provided by the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a partial enlarged view of part a of the present invention.

Reference numbers in the figures: 1. a big four-way of a wellhead; 2. hanging a sealing flange at the wellhead; 3. a cable sealing joint; 4. leading and connecting a cable at a wellhead; 5. a first retaining ring; 6. sealing the housing; 7. a seal ring; 8. a sealing plug; 9. a limiting hole; 10. a limiting rod; 11. a return spring; 12. mounting grooves; 13. a connecting through hole; 14. a second retaining ring; 15. and (7) connecting rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a high-pressure oil and gas well logging cable sealing device according to the present invention; FIG. 2 is a front view of the present invention; fig. 3 is a partial enlarged view of part a of the present invention. The utility model provides a high pressure oil gas well logging cable sealing device, including the big cross 1 of well head, the solid fixed ring 14 of the outside fixed mounting of the big cross 1 of well head has the second, connecting hole 13 has been seted up to the upper surface of the solid fixed ring 14 of second, and the spacing hole 9 with the connecting hole 13 intercommunication is seted up to the outside symmetry of the solid fixed ring 14 of second, the top of the big cross 1 of well head is provided with well head suspension seal flange 2, well head suspension seal flange 2's lower fixed surface installs go-between 15 that corresponds with connecting hole 13, mounting groove 12 has been seted up to go-between 15's outside symmetry, the equal fixed mounting in inboard of every mounting groove 12 has reset spring 11, reset spring 11's one end fixedly connected with and the.

Further, a sealing plug 8 is arranged inside the limiting hole 9, and the sealing plug 8 is positioned outside the second fixing ring 14.

Further, the outside fixed mounting of second solid fixed ring 14 has seal housing 6, and well head hangs the outside fixed mounting of sealing flange 2 and has first solid fixed ring 5, and the lower fixed surface of first solid fixed ring 5 installs the sealing ring 7 that matches with seal housing 6.

Further, the sealing ring 7 is made of rubber materials, and the sealing ring 7 and the wellhead suspension sealing flange 2 are of an integrally formed structure.

Further, the connecting ring 15 and the wellhead suspension sealing flange 2 are of an integrally formed structure, and the second fixing ring 14 and the wellhead large four-way joint 1 are of an integrally formed structure.

Further, the upper surface of the wellhead suspension sealing flange 2 is fixedly provided with a cable sealing joint 3, and the cable sealing joint 3 penetrating through the wellhead large four-way joint 1 is arranged inside the cable sealing joint 3.

The utility model provides a pair of high pressure oil gas well logging cable sealing device's theory of operation as follows:

when needing to hang the big cross 1 of well head and the separation of well head sealing flange 2, at first take off sealing plug 8, and adopt the ejector pin of predetermineeing with the ejecting spacing hole 9 of gag lever post 10, reset spring 11 is compressed this moment, then keep the position of the big cross 1 of well head motionless, and upwards take up well head and hang sealing flange 2, make the go-between 15 of being connected with well head suspension sealing flange 2 break away from the inside of connecting hole 13, make the sealing ring 7 of being connected with first solid fixed ring 5 break away from the inside of seal shell 6, can take off well head suspension sealing flange 2.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a high pressure oil gas well logging cable sealing device, includes big cross (1) of well head, its characterized in that: the outside fixed mounting of the big cross of well head (1) has the solid fixed ring of second (14), connect through hole (13) have been seted up to the upper surface of the solid fixed ring of second (14), just spacing hole (9) of intercommunication with connect through hole (13) are seted up to the outside symmetry of the solid fixed ring of second (14), the top of the big cross of well head (1) is provided with well head suspension seal flange (2), the lower fixed surface that well head suspension seal flange (2) installs go-between (15) that correspond with connect through hole (13), mounting groove (12), every have been seted up to the outside symmetry of go-between (15) the equal fixed mounting in inboard of mounting groove (12) has reset spring (11), the one end fixedly connected with of reset spring (11) is with gag lever post (10) that spacing hole (9) correspond.

2. The high-pressure oil and gas well logging cable sealing device according to claim 1, wherein a sealing plug (8) is arranged inside the limiting hole (9), and the sealing plug (8) is positioned outside the second fixing ring (14).

3. The high-pressure oil and gas well logging cable sealing device according to claim 1, wherein a sealing shell (6) is fixedly mounted on the outer side of the second fixing ring (14), a first fixing ring (5) is fixedly mounted on the outer side of the wellhead suspension sealing flange (2), and a sealing ring (7) matched with the sealing shell (6) is fixedly mounted on the lower surface of the first fixing ring (5).

4. A high pressure oil and gas well logging cable sealing device according to claim 3, characterized in that the sealing ring (7) is made of rubber material, and the sealing ring (7) and the wellhead suspension sealing flange (2) are of an integrally formed structure.

5. The high-pressure oil and gas well logging cable sealing device according to claim 1, wherein the connecting ring (15) and the wellhead suspension sealing flange (2) are of an integrally formed structure, and the second fixing ring (14) and the wellhead large four-way joint (1) are of an integrally formed structure.

6. The high-pressure oil and gas well logging cable sealing device according to claim 1, wherein a cable sealing joint (3) is fixedly mounted on the upper surface of the wellhead suspension sealing flange (2), and the cable sealing joint (3) penetrating through a wellhead large four-way joint (1) is arranged inside the cable sealing joint (3).

Images