CN204877399U - But glib cover of pressure release oil well - Google Patents

But glib cover of pressure release oil well Download PDF

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Publication number
CN204877399U
CN204877399U CN201520526889.7U CN201520526889U CN204877399U CN 204877399 U CN204877399 U CN 204877399U CN 201520526889 U CN201520526889 U CN 201520526889U CN 204877399 U CN204877399 U CN 204877399U
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China
Prior art keywords
plug
oil nozzle
side opening
pressure release
oil well
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Active
Application number
CN201520526889.7U
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Chinese (zh)
Inventor
夏良明
夏鑫
佟年
宋丽
陈红
田园园
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China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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Priority to CN201520526889.7U priority Critical patent/CN204877399U/en
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Publication of CN204877399U publication Critical patent/CN204877399U/en
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Abstract

The utility model discloses a but glib cover of pressure release oil well, include: casing, plug, glib talker, clamp head, play oil pipe, pressure release pipe, relief valve when the mediation is glib, need not to open the relief valve with the glib release pressure of iron wire mediation, can release glibly and produce the pressure between the valve, avoid the staff to take and press the operation, effectively prevent personal damage accident such as " the high pressure strike ". And take the plug of cone, and can play the cushioning effect, it is stifled to prevent that stratum sand that the voltol oil air current carried from hitting threading, and the life of extension plug prevents oil gas blowout polluted environment, reduces maintenance cost and staff's work load.

Description

One can pressure release oil well resistance oil nozzle sleeve
Technical field
The utility model relates to petroleum works technical field, and particularly relating to one can pressure release oil well resistance oil nozzle sleeve.
Background technology
Oil nozzle controls oil well production, the vitals of adjustment producing pressure differential.Due to oil well paraffinication, often there will be paraffin blockage oil nozzle, cause oil well output to decline or stop production, having a strong impact on oil well and normally produce, therefore need employee to want irregular carrying out to check, change oil nozzle and draw wax work.
At present, the oil well resistance oil nozzle sleeve that oil field uses, oil nozzle does not have pressure release place to producing between valve.Once after oil nozzle blocked completely, employee can only dredge oil nozzle pressure release with iron wire, and oil nozzle is in resistance oil nozzle sleeve depths, and iron wire is difficult to pass therethrough.If think by mistake, pressure discharges, and oil nozzle still has very high pressure to producing between valve, goes hastily to unload oil nozzle, very easily causes personal injury accidents such as " high pressure strikes ".
Utility model content
For solving the problems of the technologies described above, the utility model provides one can pressure release oil well resistance oil nozzle sleeve, comprising: housing, plug, oil nozzle, hoop, flowline, relief tube, relief valve; Described housing is cylinder, first end and the described hoop of described housing are structure as a whole, described casing center is provided with waney through hole, the inner step of described through hole is provided with the first internal thread, second end of described housing is provided with the second internal thread, and the sidewall of described housing is provided with the first side opening and the second side opening; The first end of described plug is hexagonal prism, and intermediate ends and described second internal thread of described plug are spirally connected, and the second end of described plug is cone; Described oil nozzle and described first internal thread are spirally connected; Described hoop is provided with annular groove, the production valve clamp connection of fitted seal steel ring and production tree; Described flowline welds with described first side opening; The first end of described relief tube welds with described second side opening, and the second end of described relief tube is connected with described relief valve.
Preferably, described first side opening is different with the aperture of described second side opening.
Preferably, the aperture of described first side opening is greater than the aperture of described second side opening.
Preferably, the second end of described relief tube and described relief valve are spirally connected.
By one or more technical scheme of the present utility model, the utility model has following beneficial effect or advantage:
The utility model discloses one can pressure release oil well resistance oil nozzle sleeve, comprise: housing, plug, oil nozzle, hoop, flowline, relief tube, relief valve, when dredging oil nozzle, without the need to dredging oil nozzle release pressure with iron wire, open relief valve, the pressure that can discharge oil nozzle and produce between valve, avoids employee to be with press operation, effectively prevents personal injury accidents such as " high pressure strikes ".And the plug of band cone, can play cushioning effect, the reservoir sand preventing hydraulic oil air-flow from carrying punctures plug, extends the application life of plug, prevents oil gas from spraying contaminated environment, reduces the workload of maintenance cost and employee.
The utility model cost of manufacture is low, and simple installation is swift to operate, safe and reliable, and operating efficiency is high, decreases and stops taking out the closed-in time, improves the production time efficiency of oil well, has the value that promotes the popularization use.
Accompanying drawing explanation
Fig. 1 for the utility model embodiment provide can the structural representation of pressure release oil well resistance oil nozzle sleeve.
Description of reference numerals: housing 1, plug 2, oil nozzle 3, hoop 4, flowline 5, relief tube 6, relief valve 7.
Detailed description of the invention
In order to make the utility model the technical staff in the technical field more clearly understand the utility model, below in conjunction with accompanying drawing, by specific embodiment, technical solutions of the utility model are described in detail.
See Fig. 1, the one that the utility model embodiment provides can pressure release oil well resistance oil nozzle sleeve, comprising: housing 1, plug 2, oil nozzle 3, hoop 4, flowline 5, relief tube 6, relief valve 7.
Lower mask body introduces all parts:
Described housing 1 is cylinder, first end and the described hoop 4 of described housing 1 are structure as a whole, described housing 1 center is provided with waney through hole, the inner step of described through hole is provided with the first internal thread, second end of described housing 1 is provided with the second internal thread, and the sidewall of described housing 1 is provided with the first side opening and the second side opening.Specifically, described first side opening is different with the aperture of described second side opening.Further, the aperture of described first side opening is greater than the aperture of described second side opening.
The first end of described plug 2 is hexagonal prism, and intermediate ends and described second internal thread of described plug 2 are spirally connected, and the second end of described plug 2 is cone;
Described oil nozzle 3 is spirally connected with described first internal thread;
Described hoop 4 is provided with annular groove, the production valve clamp connection of fitted seal steel ring and production tree;
Described flowline 5 welds with described first side opening;
The first end of described relief tube 6 welds with described second side opening, and the second end of described relief tube 6 is connected with described relief valve 7.Specifically, the second end of described relief tube 6 and described relief valve 7 are spirally connected.
As shown in Figure 1, the utility model, on the basis of original oil well resistance oil nozzle sleeve, increases the plug 2 devising relief tube 6 and band cone in this design, resistance oil nozzle sleeve agent structure and load performance constant, be applicable to oilfield production tree.
The utility model relate to can the number of assembling steps of pressure release oil well resistance oil nozzle sleeve as follows:
1, be embedded in ring gasket at the annular groove of hoop 4, align the annular groove that production tree produces valve, card front band, bolts in diagonal angle.
2, the macropore (that is: the first side opening) of housing 1 welds with flowline 5.
3, the aperture (that is: the second side opening) of housing 1 welds with relief tube 6, and the end of thread is screwed on relief valve 7.
4, select suitable oil nozzle 3, be screwed into the stage in housing 1 through hole with special spanner.
5, be wrapped with raw material band at the screw thread place of plug 2, be screwed into housing 1.
The utility model relate to can pressure release oil well resistance oil nozzle sleeve inspection, to change oil nozzle operating procedure as follows:
1. stop oil pumper, close oil well production valve, close back pressure valve, open sample cock, then open relief valve 7, by the pressure-emptying of oil nozzle 3 two end.
2. lay down resistance oil nozzle sleeve plug 2, lay down oil nozzle 3 with special spanner, carry out checking, changing oil nozzle operation.
3. after checking, changing oil nozzle end of operation, install and tighten resistance oil nozzle sleeve plug 2, closing sample cock, closing relief valve 7.
4. open back pressure valve, open oil well production valve, start oil pumper, recover oil well production.
Use is of the present utility model can after pressure release oil well resistance oil nozzle sleeve, check, change oil nozzle operation, only need can complete for 10 minutes, improve operating efficiency, decrease and stop taking out the closed-in time, effectively prevent personal injury accident and crude oil pollution environment such as " high pressure strikes ".
By one or more technical scheme of the present utility model, the utility model has following beneficial effect or advantage:
The utility model discloses one can pressure release oil well resistance oil nozzle sleeve, comprise: housing, plug, oil nozzle, hoop, flowline, relief tube, relief valve, when dredging oil nozzle, without the need to dredging oil nozzle release pressure with iron wire, open relief valve, the pressure that can discharge oil nozzle and produce between valve, avoids employee to be with press operation, effectively prevents personal injury accidents such as " high pressure strikes ".And the plug of band cone, can play cushioning effect, the reservoir sand preventing hydraulic oil air-flow from carrying punctures plug, extends the application life of plug, prevents oil gas from spraying contaminated environment, reduces the workload of maintenance cost and employee.
The utility model cost of manufacture is low, and simple installation is swift to operate, safe and reliable, and operating efficiency is high, decreases and stops taking out the closed-in time, improves the production time efficiency of oil well, has the value that promotes the popularization use.
Although described preferred embodiment of the present utility model, one of ordinary skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.

Claims (4)

1. can a pressure release oil well resistance oil nozzle sleeve, it is characterized in that, comprising: housing, plug, oil nozzle, hoop, flowline, relief tube, relief valve;
Described housing is cylinder, first end and the described hoop of described housing are structure as a whole, described casing center is provided with waney through hole, the inner step of described through hole is provided with the first internal thread, second end of described housing is provided with the second internal thread, and the sidewall of described housing is provided with the first side opening and the second side opening;
The first end of described plug is hexagonal prism, and intermediate ends and described second internal thread of described plug are spirally connected, and the second end of described plug is cone;
Described oil nozzle and described first internal thread are spirally connected;
Described hoop is provided with annular groove, the production valve clamp connection of fitted seal steel ring and production tree;
Described flowline welds with described first side opening;
The first end of described relief tube welds with described second side opening, and the second end of described relief tube is connected with described relief valve.
2. as claimed in claim 1 can pressure release oil well resistance oil nozzle sleeve, it is characterized in that, described first side opening is different with the aperture of described second side opening.
3. as claimed in claim 2 can pressure release oil well resistance oil nozzle sleeve, it is characterized in that, the aperture of described first side opening is greater than the aperture of described second side opening.
4. as claimed in claim 1 can pressure release oil well resistance oil nozzle sleeve, it is characterized in that, the second end and the described relief valve of described relief tube are spirally connected.
CN201520526889.7U 2015-07-20 2015-07-20 But glib cover of pressure release oil well Active CN204877399U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520526889.7U CN204877399U (en) 2015-07-20 2015-07-20 But glib cover of pressure release oil well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520526889.7U CN204877399U (en) 2015-07-20 2015-07-20 But glib cover of pressure release oil well

Publications (1)

Publication Number Publication Date
CN204877399U true CN204877399U (en) 2015-12-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108443245A (en) * 2018-05-11 2018-08-24 中国航发湖南动力机械研究所 Pressure-stabilizing pressure reducing sleeve and Pressure-stabilizing pressure reducing structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108443245A (en) * 2018-05-11 2018-08-24 中国航发湖南动力机械研究所 Pressure-stabilizing pressure reducing sleeve and Pressure-stabilizing pressure reducing structure
CN108443245B (en) * 2018-05-11 2021-03-02 中国航发湖南动力机械研究所 Pressure-stabilizing and pressure-reducing sleeve and pressure-stabilizing and pressure-reducing structure

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