CN203856441U - Under-pressure leakage blocking device applicable to petroleum and natural gas wellhead and conveying pipeline - Google Patents

Under-pressure leakage blocking device applicable to petroleum and natural gas wellhead and conveying pipeline Download PDF

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Publication number
CN203856441U
CN203856441U CN201420245268.7U CN201420245268U CN203856441U CN 203856441 U CN203856441 U CN 203856441U CN 201420245268 U CN201420245268 U CN 201420245268U CN 203856441 U CN203856441 U CN 203856441U
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China
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sealing agent
high pressure
hydraulic oil
well head
gas well
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CN201420245268.7U
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Chinese (zh)
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梅宗禄
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Individual
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Abstract

The utility model discloses a under-pressure leakage blocking device applicable to a petroleum and natural gas wellhead and conveying pipeline. The under-pressure leakage blocking device comprises a low-pressure cavity body, a pressurizing push rod, a high-pressure cavity body, a leakage blocking agent storage cavity and a front end cover. The low-pressure cavity body is connected with the high-pressure cavity body through a fastener. One end of the pressurizing push rod is located in the low-pressure cavity body, and the other end thereof is disposed in the high-pressure cavity body. The high-pressure cavity body is detachably connected with the front end cover. The front end cover is connected with the natural gas wellhead through a leakage blocking agent passage. The leakage blocking agent storage cavity is arranged in the high-pressure cavity body and extends to be communicated with the leakage blocking agent passage of the front end cover. A hydraulic oil inlet is formed in the low-pressure cavity body. The under-pressure leakage blocking device has the advantages that the device is simple in structure and convenient for large-scale production; compared with the prior art, the device is good in leakage blocking effect of leaking points, under-pressure leakage blocking is achieved without stopping production, normal production is unaffected, and resource waste caused by petroleum and natural gas leakage is reduced effectively.

Description

Be applied to the tape-pressure leakage clogging device of petroleum gas well head and conveyance conduit
Technical field
The utility model belongs to petroleum gas implement field, specifically refers to the tape-pressure leakage clogging device that is applied to petroleum gas well head and conveyance conduit.
Background technology
Modern times petroleum gas refinery factory area constantly increases, petroleum gas treating capacity is more and more higher, in oil and gas transmission or manufacturing process, all may relate to inflammable, explosive, susceptibility-to-corrosion medium, thereby exist and may break or control system lost efficacy and causes petroleum gas leakage because of equipment, container, pipeline, valve, thereby cause security incident and waste bulk petroleum natural gas resource, therefore need in the situation that not stopping production, stop the continuation of leaking to occur, carry out pressure sealing.
utility model content
The purpose of this utility model is: overcome the above-mentioned defect of prior art, a kind of tape-pressure leakage clogging device that is applied to petroleum gas well head and conveyance conduit is provided, realize the leakage points such as petroleum gas well head or conveyance conduit are carried out to pressure sealing, prevent the continuation of revealing, reduce the waste of oil-gas resource.
The utility model is achieved through the following technical solutions: the tape-pressure leakage clogging device that is applied to petroleum gas well head and conveyance conduit, comprise low pressure chamber body, supercharging push rod, high pressure chest body, sealing agent storage chamber and drive end bearing bracket, described low pressure chamber body is connected with high pressure chest body by securing member, described supercharging push rod one end is positioned at low pressure chamber body, the other end is located in high pressure chest body, described high pressure chest body and drive end bearing bracket removably connect, described drive end bearing bracket is connected with natural gas well head by sealing agent passage, in described high pressure chest body, be provided with sealing agent storage chamber, described sealing agent storage chamber and the sealing agent channel connection that extends to drive end bearing bracket, described low pressure chamber body is provided with hydraulic oil import, the utility model operating principle is as follows: dismantle drive end bearing bracket, sealing agent is put into sealing agent storage chamber, again drive end bearing bracket is combined on high pressure chest body, drive end bearing bracket is connected with sealing agent passage simultaneously, and sealing agent passage is connected with the petroleum gas well head or the conveyance conduit place that occur to reveal, further by oil pipeline, hydraulic oil import is connected with hydraulic pump, under the dynamic action of hydraulic pump, injection liquid force feed in from hydraulic oil import to low pressure chamber body, thereby promoting supercharging push rod moves to sealing agent storage chamber, form high pressure, and then sealing agent is extruded to sealing agent storage chamber, the sealing agent of sealing agent storage chamber enters sealing agent passage, sealing agent will be transported to natural gas well head or conveyance conduit leakage place is carried out shutoff to leak point, to reach the object of pressure sealing, and the securing member in the utility model is mainly realized high pressure chest body and is closely connected with the sealing of low pressure chamber body, described high pressure chest body and drive end bearing bracket removably connect, can be convenient to drive end bearing bracket and high pressure chest body is tightly connected in the time of conveying liquid force feed, also can ensure that drive end bearing bracket disassembles from high pressure chest body, other structure working principles in the utility model are the common practise of affiliated technical field, repeat no more.
Further, in order to realize being tightly connected of high pressure chest body and low pressure chamber body, be equipped with sealing device at described securing member, supercharging push rod two ends, simultaneously for the ease of device for plugging lower operation in working order, and prevent that between high pressure chest and low pressure chamber, hydraulic oil string leaks, at supercharging push rod two ends, sealing device is set, while guaranteeing that hydraulic oil import flows into hydraulic oil, supercharging push rod is multiplied at the pressure of high pressure chest output.
Further, the long-pending high pressure chest body cross-section that is greater than of described low pressure chamber body cross-section is amassed, here high pressure chest body and low pressure chamber body construction are carried out further preferably, be beneficial to when realizing hydraulic oil and entering low pressure chamber body, promote supercharging push rod and move to sealing agent storage chamber, now, supercharging push rod is multiplied at high pressure chest body output pressure, realize this device for plugging pressure sealing, prevent leak point continuation leakage.
Further, described drive end bearing bracket is connected with high pressure chest body bolt, and drive end bearing bracket and high pressure chest body are realized the mode being tightly connected to be had multiplely, is preferably bolted here, and bolt junction is provided with sealing device, can further prevent that in sealing agent storage chamber, sealing agent leaks.
Further, described hydraulic oil import is to be located at and the first hydraulic oil import of the perpendicular end of sealing agent passage.
Further, described the first hydraulic oil import is connected with hydraulic pump by oil pipeline.
Further, described hydraulic oil import is to be located at the second hydraulic oil import that parallels end with sealing agent passage.
Further, described the second hydraulic oil import is connected with hydraulic pump by oil pipeline.
Further, described securing member is bolt, and fastener constructions has multiple, and preferred bolt here realizes high pressure chest body and is connected with the tight of low pressure chamber body, prevents that between low pressure chamber body and high pressure chest body, hydraulic oil string leaks.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model is by amassing and be greater than the long-pending setting of high pressure chest body cross-section low pressure chamber body cross-section, in the time having hydraulic oil to enter hydraulic oil entrance, supercharging push rod gos deep under the promotion of hydraulic oil in high pressure chest body, thereby the pressure in the output of high pressure chest body constantly increases at double, and then pass to the sealing agent of sealing agent passage, carry out pressure sealing, and produce good plugging effect.
(2) the utility model is applied to petroleum gas well head and conveyance conduit device for plugging is simple in structure; be convenient to safeguard and scale manufacture; effective to the anti-leak stopping in leak point with respect to prior art; and pressure sealing; in the situation that not stopping production, carry out; do not affect normal production, and effectively reduced petroleum gas because reveal the wasting of resources causing.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Wherein: 1-low pressure chamber body, 2-supercharging push rod, the 3-the second hydraulic oil import, 4-high pressure chest body, 5-sealing agent storage chamber, 6-drive end bearing bracket, 7-sealing agent passage, 8-natural gas well head, the 9-the first hydraulic oil import.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment 1:
The primary structure of the present embodiment, as shown in Figure 1, be applied to the tape-pressure leakage clogging device of petroleum gas well head and conveyance conduit, comprise low pressure chamber body 1, supercharging push rod 2, high pressure chest body 4, sealing agent storage chamber 5 and drive end bearing bracket 6, described low pressure chamber body 1 is connected with high pressure chest body 4 by securing member, described supercharging push rod 2 one end are positioned at low pressure chamber body 1, the other end is located in high pressure chest body 4, described high pressure chest body 4 removably connects with drive end bearing bracket 6, described drive end bearing bracket 6 is connected with natural gas well head 8 by sealing agent passage 7, in described high pressure chest body 4, be provided with sealing agent storage chamber 5, described sealing agent storage chamber 5 is communicated with the sealing agent passage 7 that extends to drive end bearing bracket 6, described low pressure chamber body 1 is provided with hydraulic oil import.
The utility model operating principle is as follows: dismantle drive end bearing bracket 6, sealing agent is put into sealing agent storage chamber 5, again drive end bearing bracket 6 is combined on high pressure chest body 4, drive end bearing bracket 6 is connected with sealing agent passage 7 simultaneously, and sealing agent passage 7 is connected with the petroleum gas well head 8 or the conveyance conduit place that occur to reveal, further by oil pipeline, the second hydraulic oil import 3 or the first hydraulic oil import 9 are connected with hydraulic pump, under the dynamic action of hydraulic pump, from hydraulic oil import to the interior injection liquid force feed of low pressure chamber body 1, thereby promoting supercharging push rod 2 moves to sealing agent storage chamber 5, form high pressure, and then sealing agent is extruded to sealing agent storage chamber 5, the sealing agent of sealing agent storage chamber 5 enters sealing agent passage 7, sealing agent will be transported to natural gas well head or conveyance conduit 8 carries out shutoff to leak point, to reach pressure sealing object, and the securing member in the utility model is mainly realized high pressure chest body 4 and is closely connected with 1 sealing of low pressure chamber body, described high pressure chest body 4 removably connects with drive end bearing bracket 6, can be convenient to drive end bearing bracket 6 is tightly connected in the time of conveying liquid force feed with high pressure chest body 4, also can ensure that drive end bearing bracket 6 disassembles from high pressure chest body 4.
Embodiment 2:
The present embodiment defines described securing member on the basis of embodiment 1, supercharging push rod 2 two ends are equipped with sealing device, in order to realize high pressure chest body and low pressure chamber body is tightly connected, on the securing member of junction, sealing device is set, descend in working order trouble-free operation for the ease of device for plugging simultaneously, prevent that between high pressure chest body and low pressure chamber body, hydraulic oil string leaks, at supercharging push rod two ends, sealing device is set, and then guarantee that hydraulic oil import is in the time of feed liquor force feed, supercharging push rod is multiplied at high pressure chest output pressure, thereby leak stopping is carried out smoothly, other parts of the present embodiment are identical with embodiment 1, repeat no more.
Embodiment 3:
The present embodiment further limits described low pressure chamber body 1 cross-sectional area and is greater than high pressure chest body 4 cross-sectional areas on the basis of above-described embodiment, here high pressure chest body and low pressure chamber body construction are carried out further preferably, be beneficial to when realizing hydraulic oil and entering low pressure chamber body, promoting supercharging push rod moves to sealing agent storage chamber, now, supercharging push rod is multiplied at high pressure chest body output pressure, realize this device for plugging pressure sealing, prevent leak point continuation leakage, other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 4:
The present embodiment further limits described drive end bearing bracket 6 and is connected with high pressure chest body 4 bolts on the basis of above-described embodiment, described hydraulic oil import is that being located at the first hydraulic oil import 9 or the described hydraulic oil import of sealing agent passage 7 perpendicular ends is to be located at the second hydraulic oil import 3 that parallels end with sealing agent passage 7, wherein said the first hydraulic oil import 9 is connected with hydraulic pump by oil pipeline, described the second hydraulic oil import 3 is connected with hydraulic pump by oil pipeline, other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 5:
The present embodiment further limits described low pressure chamber body 1 and is connected by securing member with high pressure chest body on the basis of above-described embodiment, described securing member is bolt, fastener constructions has multiple, here preferred bolt, realize high pressure chest body and be closely connected with low pressure chamber body, prevent that between low pressure chamber body and high pressure chest body, hydraulic oil string leaks, guarantee anti-blocking neglected loading plugging effect, other structures of the present embodiment are same as the previously described embodiments, repeat no more.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technical spirit of the present utility model is done above embodiment, all fall into protection domain of the present utility model.

Claims (9)

1. be applied to the tape-pressure leakage clogging device of petroleum gas well head and conveyance conduit, it is characterized in that: comprise low pressure chamber body (1), supercharging push rod (2), high pressure chest body (4), sealing agent storage chamber (5) and drive end bearing bracket (6), described low pressure chamber body (1) is connected with high pressure chest body (4) by securing member, described supercharging push rod (2) one end is positioned at low pressure chamber body (1), the other end is located in high pressure chest body (4), described high pressure chest body (4) removably connects with drive end bearing bracket (6), described drive end bearing bracket (6) is connected with natural gas well head (8) by sealing agent passage (7), in described high pressure chest body (4), be provided with sealing agent storage chamber (5), described sealing agent storage chamber (5) is communicated with the sealing agent passage (7) that extends to drive end bearing bracket (6), described low pressure chamber body (1) is provided with hydraulic oil import.
2. the tape-pressure leakage clogging device that is applied to petroleum gas well head and conveyance conduit according to claim 1, is characterized in that: described securing member, supercharging push rod (2) two ends are equipped with sealing device.
3. the tape-pressure leakage clogging device that is applied to petroleum gas well head and conveyance conduit according to claim 1, is characterized in that: described low pressure chamber body (1) cross-sectional area is greater than high pressure chest body (4) cross-sectional area.
4. according to the tape-pressure leakage clogging device that is applied to petroleum gas well head and conveyance conduit described in claim 1 or 2 or 3, it is characterized in that: described drive end bearing bracket (6) is connected with high pressure chest body (4) bolt.
5. the tape-pressure leakage clogging device that is applied to petroleum gas well head and conveyance conduit according to claim 4, is characterized in that: described hydraulic oil import is for being located at and the first hydraulic oil import (9) of the perpendicular end of sealing agent passage (7).
6. the tape-pressure leakage clogging device that is applied to petroleum gas well head and conveyance conduit according to claim 5, is characterized in that: the first hydraulic oil import (9) is connected with hydraulic pump by oil pipeline.
7. the tape-pressure leakage clogging device that is applied to petroleum gas well head and conveyance conduit according to claim 4, is characterized in that: described hydraulic oil import is for being located at the second hydraulic oil import (3) that parallels end with sealing agent passage (7).
8. the conveying device with pressure that is applied to petroleum gas well head and conveyance conduit according to claim 7, is characterized in that: the second hydraulic oil import (3) is connected with hydraulic pump by oil pipeline.
9. the tape-pressure leakage clogging device that is applied to petroleum gas well head and conveyance conduit according to claim 8, is characterized in that: described securing member is bolt.
CN201420245268.7U 2014-05-14 2014-05-14 Under-pressure leakage blocking device applicable to petroleum and natural gas wellhead and conveying pipeline Active CN203856441U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420245268.7U CN203856441U (en) 2014-05-14 2014-05-14 Under-pressure leakage blocking device applicable to petroleum and natural gas wellhead and conveying pipeline

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105822248A (en) * 2016-03-22 2016-08-03 孟庆拥 Under-pressure well workover method
CN113932087A (en) * 2021-10-29 2022-01-14 四川华宇石油钻采装备有限公司 Oil casing head pressurized leakage blocking system and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105822248A (en) * 2016-03-22 2016-08-03 孟庆拥 Under-pressure well workover method
CN105822248B (en) * 2016-03-22 2018-05-11 孟庆拥 A kind of method for well fixing with pressure
CN113932087A (en) * 2021-10-29 2022-01-14 四川华宇石油钻采装备有限公司 Oil casing head pressurized leakage blocking system and method

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