CN204552680U - Temperature control type hydraulic packer - Google Patents

Temperature control type hydraulic packer Download PDF

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Publication number
CN204552680U
CN204552680U CN201520199313.4U CN201520199313U CN204552680U CN 204552680 U CN204552680 U CN 204552680U CN 201520199313 U CN201520199313 U CN 201520199313U CN 204552680 U CN204552680 U CN 204552680U
Authority
CN
China
Prior art keywords
interior pipe
fixed mechanism
hydraulic cylinder
snap ring
ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201520199313.4U
Other languages
Chinese (zh)
Inventor
尚俊涛
逄铭玉
王舒涵
孙杭军
李涛
徐娟
成卫海
马虎子
王世超
张文波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGYING BAIHUA PETROLEUM TECHNOLOGY DEVELOPMENT Co Ltd
Original Assignee
DONGYING BAIHUA PETROLEUM TECHNOLOGY DEVELOPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DONGYING BAIHUA PETROLEUM TECHNOLOGY DEVELOPMENT Co Ltd filed Critical DONGYING BAIHUA PETROLEUM TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN201520199313.4U priority Critical patent/CN204552680U/en
Application granted granted Critical
Publication of CN204552680U publication Critical patent/CN204552680U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of temperature control type hydraulic packer, lower fixed mechanism is arranged on the bottom of interior pipe, interior pipe there is unidirectional outer clasp, packing element suit on inner pipe, the lower seat of packing element is on lower fixed mechanism, one-way locking mechanism is placed on the top of packing element, the inwall of the in-house lock ring of one-way locking there is the inner lock buckle matched with unidirectional outer clasp, fixed mechanism is installed in the middle and upper part of interior pipe, hydraulic cylinder is sleeved on interior pipe downwards from the top of interior pipe, outside upper fixed mechanism, it is temperature control hanging ring between hydraulic cylinder and interior pipe, hydraulic cylinder is hung on inner pipe, temperature control hanging ring is low-melting alloy, interior pipe, hydraulic cylinder, cavity is formed between upper fixed mechanism, upper sealing ring is had between interior pipe and hydraulic cylinder, outer side seal circle is had between hydraulic cylinder and upper fixed mechanism, inner seal circle is had between upper fixed mechanism and interior pipe, upper sealing ring, outer side seal circle, inner seal circle makes cavity become closed chamber, the bottom of hydraulic cylinder is connected with one-way locking mechanism, one-way locking mechanism is moved with hydraulic cylinder.The utility model can improve the production cycle of thick oil thermal extraction, reduces construction sequence.

Description

Temperature control type hydraulic packer
Technical field
The utility model belongs to the water-tight equipment of oil field oil-field thick-oil thermal production well, is a kind of temperature control type hydraulic packer.
Background technology
In order to steam injection recovery after heavy crude reservoir sieve tube completion, need the packer entering the outer layering of pipe under in well.Current external packer of pipe complex structure, component are many, poor reliability, and application life is short, the oil well production cycle is short, and it is setting to need ground to suppress ability, and the bottom of packer also will configure the instrument of the airtight tubing string of energy, this cover instrument also needs the later stage open-minded, and thus construction sequence is many, and completion period is long.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, designs a kind of temperature control type hydraulic packer, high temperature when utilizing steam injection recovery and pressure setting, improve the production cycle of thick oil thermal extraction, reduce construction sequence.
The purpose of this utility model is achieved in that and comprises interior pipe, hydraulic cylinder, temperature control hanging ring, upper sealing ring, upper fixed mechanism, outer side seal circle, inner seal circle, one-way locking mechanism, packing element, lower fixed mechanism, lower fixed mechanism is arranged on the bottom of interior pipe, lower fixed mechanism can not move axially on inner pipe, interior pipe there is unidirectional outer clasp, packing element suit on inner pipe, the lower seat of packing element is on lower fixed mechanism, one-way locking mechanism is placed on the top of packing element, the inwall of the in-house lock ring of one-way locking there is the inner lock buckle matched with unidirectional outer clasp, fixed mechanism is installed in the middle and upper part of interior pipe, upper fixed mechanism can not move axially on inner pipe, and upper fixed mechanism is on one-way locking mechanism, and hydraulic cylinder is sleeved on interior pipe downwards from the top of interior pipe, outside upper fixed mechanism, be temperature control hanging ring between hydraulic cylinder and interior pipe, hydraulic cylinder is hung on inner pipe, and temperature control hanging ring is low-melting alloy, interior pipe, hydraulic cylinder, form cavity between upper fixed mechanism, between interior pipe and hydraulic cylinder, have upper sealing ring, between hydraulic cylinder and upper fixed mechanism, have outer side seal circle, have inner seal circle between upper fixed mechanism and interior pipe, upper sealing ring, outer side seal circle, inner seal circle makes cavity become closed chamber, and the bottom of hydraulic cylinder is connected with one-way locking mechanism, and one-way locking mechanism is moved with hydraulic cylinder.
Hydraulic cylinder is arranged UNICOM road, make cavity and external communication, in described UNICOM road, blocking is installed, makes described UNICOM road by shutoff.
Lower fixed mechanism comprises lower buckle closure, lower snap ring, lower bracket, lower snap ring is semicircular ring, the inner diameter of lower snap ring is less than the external diameter of interior pipe, lower snap ring sticks in the groove of interior pipe, lower buckle closure is sleeved on after outside lower snap ring, make lower snap ring diametrically can not outwards movement, lower buckle closure be fixed on inner pipe after being threaded with lower bracket.
Upper fixed mechanism comprises buckle closure, upper snap ring, upper bracket, upper snap ring is semicircular ring, the inner diameter of upper snap ring is less than the external diameter of interior pipe, upper snap ring sticks in the groove of interior pipe, upper buckle closure is sleeved on after outside snap ring, make snap ring diametrically can not outwards movement, be fixed on inner pipe after upper buckle closure is threaded with upper bracket.
The beneficial effects of the utility model are: being assembled into the rear cavity of one is airtight chamber, arrive down external pressure after in well high, internal pressure is low, temperature control hanging ring is low-melting alloy, during steam injection recovery, well temperature is higher than the fusing point of temperature control hanging ring, temperature control hanging ring melts, hydraulic cylinder produces downward axial force under pressure, drive one-way locking mechanism to descending compression packing element, make it expand change and seal the borehole wall greatly, hydraulic cylinder drives one-way locking mechanism also to go downwards to unidirectional external lock buckle to the in-house lock ring of one-way locking time descending, inner lock buckle on the inwall of the in-house lock ring of one-way locking and the outer clasp on interior pipe are fastened togather, one-way locking mechanism can not be return, packing element is made forever to be in expansion compressive state, the utility model utilizes the pressure and temperature of self in well to realize setting, do not need before steam injection to suppress separately, thus structure is simple, functional reliability is high, the production cycle of thick oil thermal extraction can be improved, simultaneously because construction sequence is few, short construction period, there is significant economic benefit.
Accompanying drawing explanation
Fig. 1 is the assembling drawing of the utility model embodiment.
Fig. 2 is the structure chart of upper fixed mechanism.
Fig. 3 is the structure chart of lower fixed mechanism.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model embodiment is described.
As seen from the figure, embodiment of the present utility model comprises interior pipe 1, hydraulic cylinder 2, temperature control hanging ring 3, upper sealing ring 4, upper fixed mechanism 7, outer side seal circle 8, inner seal circle 9, one-way locking mechanism 10, packing element 12, lower fixed mechanism 13, lower fixed mechanism 13 is arranged on the bottom of interior pipe 1, lower fixed mechanism 13 can not move axially on interior pipe 1, interior pipe 1 there is unidirectional outer clasp 11, packing element 12 is sleeved on interior pipe 1, the lower seat of packing element 12 is on lower fixed mechanism 13, one-way locking mechanism 10 is placed on the top of packing element 12, the inwall of the lock ring in one-way locking mechanism 10 there is the inner lock buckle matched with unidirectional outer clasp 11, (the Y441 in this structure and oil field, one-way mechanism on the packers such as Y445 is identical, those skilled in the art is very familiar) middle and upper part of interior pipe 1 installs fixed mechanism 7, upper fixed mechanism 7 can not move axially on interior pipe 1, upper fixed mechanism 7 is on one-way locking mechanism 10, hydraulic cylinder 2 is sleeved on interior pipe 1 downwards from the top of interior pipe 1, outside upper fixed mechanism 7, it is temperature control hanging ring 3 between hydraulic cylinder 2 and interior pipe 1, hydraulic cylinder 2 is made to be suspended on interior pipe 1, temperature control hanging ring 3 is low-melting alloy, its fusing point is lower than the temperature injecting steam, the position of the corresponding temperature control hanging ring 3 of hydraulic cylinder 2 has duct, from then on temperature control hanging ring 3 is circulated into position as shown in Figure 1 in duct after being fused into liquid, temperature decline after coagulation bears suspension force, interior pipe 1, hydraulic cylinder 2, cavity 6 is formed between upper fixed mechanism 7, upper sealing ring 4 is had between interior pipe 1 and hydraulic cylinder 2, outer side seal circle 8 is had between hydraulic cylinder 2 and upper fixed mechanism 7, inner seal circle 9 is had between upper fixed mechanism 7 and interior pipe 1, upper sealing ring 4, outer side seal circle 8, inner seal circle 9 makes cavity 6 become closed chamber, the upper end area making hydraulic cylinder 2 bear high pressure is greater than lower end area, the bottom of hydraulic cylinder 2 is connected with one-way locking mechanism 10, one-way locking mechanism 10 is moved with hydraulic cylinder 2.
Hydraulic cylinder 2 is arranged UNICOM road, make cavity 6 and external communication, in described UNICOM road, blocking 5 is installed, make described UNICOM road by shutoff, ensure that cavity 6 is in air-tight state.Hydraulic cylinder 2 arranges UNICOM road, is for the ease of assembling, and when preventing from assembling, during the smaller volume of cavity 6, air is compressed and assembles difficulty in the street.
Lower fixed mechanism 13 is to form the strong point on interior pipe 1, axial force is transferred on interior pipe 1, lower fixed mechanism comprises lower buckle closure 13-1, lower snap ring 13-2, lower bracket 13-3, lower snap ring 13-2 is semicircular ring (installation two pieces), the inner diameter of lower snap ring 13-2 is less than the external diameter of interior pipe 1, lower snap ring 13-2 sticks in the groove of interior pipe 1, lower buckle closure 13-1 is sleeved on after outside lower snap ring 13-2, make lower snap ring 13-2 diametrically can not outwards movement, lower buckle closure 13-1 is fixed in after being threaded with lower bracket 13-3 on interior pipe 1, lower fixed mechanism 13 can not be moved axially on inner pipe.
Upper fixed mechanism 7 is to form the strong point on interior pipe 1, axial force is transferred on interior pipe 1, upper fixed mechanism 7 comprises buckle closure 7-1, upper snap ring 7-2, upper bracket 7-3, upper snap ring 7-2 is semicircular ring (installation two pieces), the inner diameter of upper snap ring 7-2 is less than the external diameter of interior pipe 1, upper snap ring 7-2 sticks in the groove of interior pipe 1, upper buckle closure 7-1 is sleeved on after outside snap ring 7-2, make snap ring 7-2 diametrically can not outwards movement, be fixed on interior pipe 1 after upper buckle closure 7-1 is threaded with upper bracket 7-3.

Claims (4)

1. a temperature control type hydraulic packer, comprise interior pipe (1), hydraulic cylinder (2), temperature control hanging ring (3), upper sealing ring (4), upper fixed mechanism (7), outer side seal circle (8), inner seal circle (9), one-way locking mechanism (10), packing element (12), lower fixed mechanism (13), it is characterized in that: lower fixed mechanism (13) is arranged on the bottom of interior pipe (1), lower fixed mechanism (13) can not move axially on interior pipe (1), interior pipe (1) there is unidirectional outer clasp (11), packing element (12) is sleeved on interior pipe (1), the lower seat of packing element (12) is on lower fixed mechanism (13), one-way locking mechanism (10) is placed on the top of packing element (12), the inwall of the lock ring in one-way locking mechanism (10) there is the inner lock buckle matched with unidirectional outer clasp (11), fixed mechanism (7) is installed in the middle and upper part of interior pipe (1), upper fixed mechanism (7) can not move axially on interior pipe (1), upper fixed mechanism (7) is on one-way locking mechanism (10), hydraulic cylinder (2) is sleeved on interior pipe (1) downwards from the top of interior pipe (1), upper fixed mechanism (7) outward, temperature control hanging ring (3) between hydraulic cylinder (2) and interior pipe (1), hydraulic cylinder (2) is made to be suspended on interior pipe (1), temperature control hanging ring (3) is low-melting alloy, interior pipe (1), hydraulic cylinder (2), cavity (6) is formed between upper fixed mechanism (7), upper sealing ring (4) is had between interior pipe (1) and hydraulic cylinder (2), outer side seal circle (8) is had between hydraulic cylinder (2) and upper fixed mechanism (7), inner seal circle (9) is had between upper fixed mechanism (7) and interior pipe (1), upper sealing ring (4), outer side seal circle (8), inner seal circle (9) makes cavity (6) become closed chamber, the bottom of hydraulic cylinder (2) is connected with one-way locking mechanism (10), make one-way locking mechanism (10) mobile with hydraulic cylinder (2).
2. temperature control type hydraulic packer according to claim 1, is characterized in that: (2) arrange UNICOM road to hydraulic cylinder, makes cavity (6) and external communication, installs blocking (5), make described UNICOM road by shutoff in described UNICOM road.
3. temperature control type hydraulic packer according to claim 1, it is characterized in that: lower fixed mechanism comprises lower buckle closure (13-1), lower snap ring (13-2), lower bracket (13-3), lower snap ring (13-2) is semicircular ring, the inner diameter of lower snap ring (13-2) is less than the external diameter of interior pipe (1), lower snap ring (13-2) sticks in the groove of interior pipe (1), lower buckle closure (13-1) be sleeved on lower snap ring (13-2) outward after, make lower snap ring (13-2) diametrically can not outwards movement, lower buckle closure (13-1) is fixed on interior pipe (1) after being threaded with lower bracket (13-3).
4. the temperature control type hydraulic packer according to claim 1 or 3, it is characterized in that: upper fixed mechanism comprises buckle closure (7-1), upper snap ring (7-2), upper bracket (7-3), upper snap ring (7-2) is semicircular ring, the inner diameter of upper snap ring (7-2) is less than the external diameter of interior pipe (1), upper snap ring (7-2) sticks in the groove of interior pipe (1), upper buckle closure (7-1) be sleeved on snap ring (7-2) outward after, make snap ring (7-2) diametrically can not outwards movement, upper buckle closure (7-1) is fixed on interior pipe (1) after being threaded with upper bracket (7-3).
CN201520199313.4U 2015-04-04 2015-04-04 Temperature control type hydraulic packer Withdrawn - After Issue CN204552680U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520199313.4U CN204552680U (en) 2015-04-04 2015-04-04 Temperature control type hydraulic packer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520199313.4U CN204552680U (en) 2015-04-04 2015-04-04 Temperature control type hydraulic packer

Publications (1)

Publication Number Publication Date
CN204552680U true CN204552680U (en) 2015-08-12

Family

ID=53827807

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520199313.4U Withdrawn - After Issue CN204552680U (en) 2015-04-04 2015-04-04 Temperature control type hydraulic packer

Country Status (1)

Country Link
CN (1) CN204552680U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104727777A (en) * 2015-04-04 2015-06-24 东营百华石油技术开发有限公司 Temperature-control type hydraulic packer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104727777A (en) * 2015-04-04 2015-06-24 东营百华石油技术开发有限公司 Temperature-control type hydraulic packer
CN104727777B (en) * 2015-04-04 2017-03-08 东营百华石油技术开发有限公司 Temperature control type hydraulic packer

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20150812

Effective date of abandoning: 20171114