CN206071504U - A kind of down-hole nonmetal water power anchor - Google Patents
A kind of down-hole nonmetal water power anchor Download PDFInfo
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- CN206071504U CN206071504U CN201620925735.XU CN201620925735U CN206071504U CN 206071504 U CN206071504 U CN 206071504U CN 201620925735 U CN201620925735 U CN 201620925735U CN 206071504 U CN206071504 U CN 206071504U
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- anchor
- hole
- anchor fluke
- gland
- water power
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Abstract
This utility model is related to petroleum industry downhole tool, and in particular to a kind of down-hole nonmetal water power anchor.It includes main body, the main body is provided with multiple anchor fluke holes along its length direction, anchor fluke is connected with by gland and securing member in the anchor fluke hole, the anchor fluke includes anchor fluke seat and the non-metallic filler thing being arranged on anchor fluke seat, the separate setting of gland on two neighboring anchor fluke, gland are detachably connected with the anchor fluke hole;The anchor fluke seat includes a body, the hollow connecting portion stretched out by the first side of the body, and set to the concave the spring mounting groove for being formed by first side, and the annular seal space for being formed that set to the concave by the body second side.This utility model is due to the separate setting of gland on two neighboring anchor fluke, so reducing the moment of torsion of down-hole nonmetal water power anchor, and can compress each anchor fluke, and saves material.
Description
Technical field
This utility model is related to petroleum industry downhole tool, and in particular to a kind of down-hole nonmetal water power anchor.
Background technology
With continually developing for oil field, various interlayer contradictions become increasingly conspicuous.Then oil field is adopted using various instruments
Oil, water detection, blocking water hierarchical operation, but the phenomenon of string creep is easily produced in work progress, cause packer certainly
Dynamic deblocking, has had a strong impact on oil field and has normally produced.Existing hydraulic anchor anchor fluke material is metal, during grappling, anchor fluke stretch out with
Sleeve pipe is engaged, and causes grievous injury to sleeve pipe.
For the problems referred to above, Chinese Patent Application No. CN200720187765.6 discloses a kind of nonmetallic waterpower in down-hole
Anchor, which includes main body, is arranged on the anchor fluke in the anchor fluke hole of main body by gland and trip bolt, and bullet is set with anchor fluke
Spring, spring are located between gland and anchor fluke, and anchor fluke includes anchor fluke fuse and the vulcanite being arranged on anchor fluke fuse.This well
Although lower nonmetal water power anchor can solve the above problems, following weak point is yet suffered from:
1st, multiple anchor flukes are limited in the anchor fluke hole of main body by a monoblock type gland, so each cannot be compressed
Anchor fluke, causes anchor fluke and vulcanite easily to come off from anchor fluke fuse;And as gland is monoblock type, cause hydraulic anchor whole
Body moment of torsion is big, and material cost is high.
2nd, the poor sealing performance between anchor fluke and anchor fluke hole wall, causes down-hole liquid to enter inside hydraulic anchor, therefore structure
It is unreasonable, affect the service life of hydraulic anchor.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of this utility model is to propose a kind of nonmetallic waterpower in down-hole
Anchor.
To realize above-mentioned technical purpose, this utility model is adopted the following technical scheme that and is achieved.
A kind of down-hole nonmetal water power anchor, including main body, the main body are provided with multiple anchor fluke holes, institute along its length direction
State in anchor fluke hole and anchor fluke is connected with by gland and securing member, the anchor fluke includes anchor fluke seat and the non-gold being arranged on anchor fluke seat
Category implant, the separate setting of the gland on two neighboring anchor fluke, gland are detachably connected with the anchor fluke hole;The anchor fluke
Seat includes a body, and the hollow connecting portion stretched out by the first side of the body is set to the concave by first side
The spring mounting groove of formation, and the annular seal space for being formed that set to the concave by the body second side.
Preferably, the outer wall of the gland is connected with anchor fluke hole inner thread.
Preferably, the hollow connecting portion inwall is provided with the first female thread, in the non-metallic filler thing and described first
Thread contact.
Preferably, the non-metallic filler thing is rubber or nylon.
Preferably, the hollow connecting portion outer wall is provided with the first external screw thread, and first external screw thread connects an anchor post;It is described
Anchor post inwall is provided with the second female thread, and second female thread is contacted with the first external screw thread and the non-metallic filler thing respectively.
Preferably, a spring is arranged outside the anchor post, one end of the spring is located in the spring mounting groove, the bullet
The other end of spring abuts the gland.
Preferably, the gland is a cylinder, and the reducing hole of a both ends open, the reducing hole are provided with the middle of the cylinder
Including exit orifice and endoporus, the diameter with diameter greater than the endoporus of the exit orifice, the anchor post and Fei Jin in the exit orifice, are provided with
Category implant, an inner face of the endoporus abut one end of the spring.
Preferably, sealing device, the sealing dress are provided between the inwall in the outer wall of the anchor fluke seat and the anchor fluke hole
Put including a sealing ring for being arranged at the sealing intracavity, and the back-up ring for being arranged at the sealing ring both sides.
Preferably, the back-up ring is back-up ring made by politef.
The beneficial effects of the utility model:
1st, this utility model is due to the separate setting of gland on two neighboring anchor fluke, so it is nonmetallic to reduce down-hole
The moment of torsion of hydraulic anchor, and can each anchor fluke can compress, save material.
2nd, by being provided with sealing device between the inwall in the outer wall of anchor fluke seat and the anchor fluke hole, it is to avoid down-hole liquid enters
Enter inside hydraulic anchor, it is rational in infrastructure, improve the service life of hydraulic anchor.
Description of the drawings
Structural representations of the Fig. 1 for this utility model down-hole nonmetal water power anchor;
Fig. 2 is the enlarged drawing at I in Fig. 1;
Cross-sectional views of the Fig. 3 for this utility model anchor fluke seat;
Fig. 4 is the cross-sectional view of anchor post of the present utility model;
Fig. 5 is the cross-sectional view of gland of the present utility model;
Fig. 6 is the top view of gland of the present utility model;
In figure:1- glands;2- main bodys;3- anchor posts;4- springs;5- non-metallic filler things;6- sealing rings;7- back-up rings;8- anchors
Pawl seat;9- bodies;The hollow connecting portions of 10-;11- spring mounting grooves;12- annular seal spaces;The first female threads of 13-;The first outer spiral shells of 14-
Stricture of vagina;15- exit orifice;16- endoporus;The second female threads of 17-;18- inner faces;19- pin-and-holes;20- anchor flukes hole;91- first sides;92-
Second side.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings:
Embodiment 1
Fig. 1 and Fig. 2, a kind of down-hole nonmetal water power anchor that this utility model embodiment is provided, including main body 2 are referred to,
The main body 2 is provided with multiple anchor fluke holes 20 along its length direction, is connected with by gland 1 and securing member in the anchor fluke hole 20
Anchor fluke, the anchor fluke include anchor fluke seat 8 and the non-metallic filler thing 5 being arranged on anchor fluke seat 8, the gland on two neighboring anchor fluke
1 separate setting, gland 1 are detachably connected with the anchor fluke hole 20.
This utility model due to the 1 separate setting of gland on two neighboring anchor fluke, so it is nonmetallic to reduce down-hole
The moment of torsion of hydraulic anchor, and each anchor fluke can be compressed, save material.
During use, 5 radial dilatation of non-metallic filler thing is fitted with internal surface of sleeve pipe, with the increase of tubing pressure, normal
Under water injection pressure, the axial friction between non-metallic filler thing 5 and internal surface of sleeve pipe is more than the axial direction that oil pipe is subject at this pressure
Pulling force, so as to prevent the upper and lower play of oil pipe, reaches the purpose of grappling oil pipe.
Embodiment 2
On the basis of embodiment 1, the outer wall of the gland 1 is connected with 20 inner thread of anchor fluke hole, so as to by institute
State gland 1 to couple together with the main body 2.The gland is connected by middle employing securing member with the main body 2 compared to existing technology
The mode got up, this utility model using threaded connection, not only can more preferable transmitting torque, and mount and dismount also just
Just.
Embodiment 3
On the basis of embodiment 1, as shown in figure 3, the anchor fluke seat 8 includes a body 9, by the body 9
The hollow connecting portion 10 that first side 91 stretches out, set to the concave the spring mounting groove 11 for being formed by first side 91, and
Set to the concave the annular seal space 12 for being formed by the second side 92 of the body 9;It is provided with described non-in the hollow connecting portion 10
Metal charge 5.
10 inwall of hollow connecting portion is provided with the first female thread 13, spiral shell in the non-metallic filler thing 5 and described first
Stricture of vagina 13 is contacted, and the part non-metallic filler thing 5 protrudes from the hollow connecting portion 10 and arranges, and is increased by first female thread 13
Plus the bonding strength of non-metallic filler thing 5 so as to it is difficult for drop-off.The non-metallic filler thing 5 is rubber or nylon, preferred rubber
Glue, elasticity are big.
The outer wall of the hollow connecting portion 10 is provided with the first external screw thread 14, and first external screw thread 14 connects an anchor post 3;Institute
State 3 inwall of anchor post and be provided with the second female thread 17, second female thread 17 respectively with the first external screw thread 14 and described nonmetallic fill out
Fill thing 5 to contact, the bonding strength of non-metallic filler thing 5 is increased by second female thread 17 so as to difficult for drop-off.
The anchor post 3 is made up of non-ferrous metal, pyrite of the non-ferrous metal preferred hardness less than or equal to 175, pyrite material
Material wide material sources, are easily worked.
Embodiment 4
On the basis of embodiment 3, as shown in Fig. 2 being arranged a spring 4, one end position of the spring 4 outside the anchor post 3
In the spring mounting groove 11, the other end of the spring 4 abuts the gland 1.
As shown in Figure 5 and Figure 6, the gland 1 is a cylinder, and the reducing hole of a both ends open is provided with the middle of the cylinder,
The diameter with diameter greater than the endoporus 16 of the exit orifice 15, is provided with the anchor post 3 and non-metallic filler thing in the exit orifice 15
5, an inner face 18 of the endoporus 16 abuts one end of the spring 4.
The exit orifice 15 is provided with two pin-and-holes 19 being oppositely arranged from inwall to the direction of outer wall, and pin-and-hole 19 is installing hole,
Facilitate the installation and removal of gland 1.
Embodiment 5
On the basis of embodiment 3, as shown in Fig. 2 the sealing device includes that one is arranged in the annular seal space 12
Sealing ring 6, and it is arranged at the back-up ring 7 of 6 both sides of the sealing ring.The back-up ring 7 is back-up ring made by politef.Pass through
Sealing device is provided between the outer wall of anchor fluke seat 8 and the inwall in the anchor fluke hole 20, it is to avoid down-hole liquid is entered in hydraulic anchor
Portion, it is rational in infrastructure, improve the service life of hydraulic anchor.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this practicality to this utility model
New spirit and scope.So, if it is of the present utility model these modification and modification belong to this utility model claim and
Within the scope of its equivalent technologies, then this utility model is also intended to including including these changes and modification.
Claims (9)
1. a kind of down-hole nonmetal water power anchor, including main body (2), the main body (2) are provided with multiple anchor flukes along its length direction
Hole (20), is connected with anchor fluke by gland (1) and securing member in the anchor fluke hole (20), the anchor fluke include anchor fluke seat (8) and
The non-metallic filler thing (5) being arranged on anchor fluke seat (8), it is characterised in that:Gland (1) on two neighboring anchor fluke is separate
Arrange, gland (1) is detachably connected with the anchor fluke hole (20);The anchor fluke seat (8) includes a body (9), by described
The hollow connecting portion (10) that the first side (91) in body portion (9) stretches out, set to the concave the bullet for being formed by first side (91)
Spring mounting groove (11), and the annular seal space (12) for being formed that set to the concave by the second side (92) of the body (9).
2. down-hole nonmetal water power anchor according to claim 1, it is characterised in that:The outer wall of the gland (1) with it is described
Anchor fluke hole (20) inner thread connects.
3. down-hole nonmetal water power anchor according to claim 1, it is characterised in that:Hollow connecting portion (10) inwall sets
There is the first female thread (13), the non-metallic filler thing (5) is contacted with first female thread (13).
4. down-hole nonmetal water power anchor according to claim 1, it is characterised in that:The non-metallic filler thing (5) is rubber
Glue or nylon.
5. down-hole nonmetal water power anchor according to claim 1, it is characterised in that:The outer wall of the hollow connecting portion (10)
The first external screw thread (14) is provided with, first external screw thread (14) connects an anchor post (3);Anchor post (3) inwall is provided with second
Screw thread (17), second female thread (17) are contacted with the first external screw thread (14) and the non-metallic filler thing (5) respectively.
6. down-hole nonmetal water power anchor according to claim 5, it is characterised in that:A spring is arranged outside the anchor post (3)
(4), one end of the spring (4) is located in the spring mounting groove (11), and the other end of the spring (4) abuts the gland
(1)。
7. down-hole nonmetal water power anchor according to claim 6, it is characterised in that:The gland (1) is a cylinder, institute
The reducing hole that a both ends open is provided with the middle of cylinder is stated, the reducing hole includes exit orifice (15) and endoporus (16), the exit orifice
(15) anchor post (3) and non-metallic filler thing are provided with the diameter with diameter greater than the endoporus (16), the exit orifice (15)
(5), an inner face (18) of the endoporus (16) abuts one end of the spring (4).
8. down-hole nonmetal water power anchor according to claim 1, it is characterised in that:The outer wall of the anchor fluke seat (8) and institute
Sealing device is provided between the inwall for stating anchor fluke hole (20), the sealing device includes that one is arranged in the annular seal space (12)
Sealing ring (6), and it is arranged at the back-up ring (7) of the sealing ring (6) both sides.
9. down-hole nonmetal water power anchor according to claim 8, it is characterised in that:The back-up ring (7) is politef
Made by back-up ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620925735.XU CN206071504U (en) | 2016-08-23 | 2016-08-23 | A kind of down-hole nonmetal water power anchor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620925735.XU CN206071504U (en) | 2016-08-23 | 2016-08-23 | A kind of down-hole nonmetal water power anchor |
Publications (1)
Publication Number | Publication Date |
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CN206071504U true CN206071504U (en) | 2017-04-05 |
Family
ID=58431094
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CN201620925735.XU Active CN206071504U (en) | 2016-08-23 | 2016-08-23 | A kind of down-hole nonmetal water power anchor |
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CN (1) | CN206071504U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106321000A (en) * | 2016-08-23 | 2017-01-11 | 中国石油天然气股份有限公司 | Nonmetal hydraulic anchor |
-
2016
- 2016-08-23 CN CN201620925735.XU patent/CN206071504U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106321000A (en) * | 2016-08-23 | 2017-01-11 | 中国石油天然气股份有限公司 | Nonmetal hydraulic anchor |
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