CN205592561U - A pressure testing head for liner hanger - Google Patents
A pressure testing head for liner hanger Download PDFInfo
- Publication number
- CN205592561U CN205592561U CN201620054730.4U CN201620054730U CN205592561U CN 205592561 U CN205592561 U CN 205592561U CN 201620054730 U CN201620054730 U CN 201620054730U CN 205592561 U CN205592561 U CN 205592561U
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- China
- Prior art keywords
- pressure testing
- testing head
- head
- extension hanger
- end socket
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Abstract
The utility model discloses a pressure testing head for liner hanger. Be provided with a plurality of ribs along the circumference interval on liner hanger and the outer wall part that the pressure testing head links to each other, the pressure testing head includes the head body, is provided with a plurality of dogs along the circumference interval on the head body and the inner wall part that liner hanger links to each other, forms the groove that is used for passing liner hanger's rib between two adjacent dogs. The utility model discloses a pressure testing head for liner hanger has realized harmless, high efficiency pressure testing to liner hanger.
Description
Technical field
This utility model relates to oil-well drilling equipment field, seals particularly to a kind of pressure testing for extension hanger
Head.
Background technology
Extension hanger is a kind of conventional cementing tool, and it is used for hanging tail pipe and by tail pipe and upper strata sleeve pipe phase
Connect, be the key device implementing drilling liner cementing technology.In order to ensure qualification rate and the scene of extension hanger
Normal effect, extension hanger needs complete machine pressure testing detection of first marching into the arena before dispatching from the factory, it is qualified that complete machine occurs without seepage.
Existing pressure-measuring method be typically the lower contact of end socket with extension hanger is threaded connection, then from
Note test medium at end socket and carry out pressure testing.This method is primarily present three shortcomings: one, in hanger lower contact
Screw thread can be operated by the pulling force produced during with the screwing force of end socket, pressure testing and human error and affected and lead
Cause screw thread damage, deformation；Two, the instrument such as pipe wrench, chain wrench or upper shackling machine needed in end socket connection procedure,
The upper shackle time is longer, and labor intensity is bigger；Three, same specification but the hanger of different button-type are needed to add
The pressure testing head that work is different, adds processing cost, for the special thread especially for non-API standard,
The processing cost of single screw thread just needs thousands of unit the most up to ten thousand.
Utility model content
Being connected with the quick of pressure testing head to realize extension hanger, when reducing pressure testing, pressure testing head is to tail simultaneously
The damage of pipe hanger, the utility model proposes a kind of pressure testing head for extension hanger.
According to this utility model provide a kind of pressure testing head for extension hanger, extension hanger with examination
Circumferentially spaced being provided with multiple rib on the outer wall of the part that press seal head is connected, pressure testing head includes end socket main body,
Circumferentially spaced on the inwall of the part being connected with extension hanger of end socket main body it is provided with multiple block, adjacent
The groove for the rib through extension hanger is formed between two blocks.
Of the present utility model in the pressure testing head of extension hanger, when needs connect pressure testing head pressure testing
Time, the groove on pressure testing head is alignd with the rib on hanger, and pushes pressure testing head, subsequently by end socket main body
Rotate a certain angle the connection that can realize extension hanger with pressure testing head.At the pressure testing mouth of pressure testing head
Connect pressure testing pipeline and can complete pressure testing.After pressure testing, pressure testing head is inverted identical angle, can be by
End socket is pulled down.Pressure testing head for extension hanger of the present utility model has abandoned use screw thread in prior art
Connecting the pressure testing form of end socket, the form using block to match with the rib of hanger bears pressure test pressure, it is to avoid
The damage that during pressure testing, extension hanger is caused by pressure testing head.Examination for extension hanger of the present utility model
Press seal head achieves lossless, rapidly and efficiently pressure testing to extension hanger.
In some embodiments, the circumferential width of block is more than or equal to the circumferential width of rib.This setting can increase
The contact area of rib and block, so that it is guaranteed that coordinating of block and rib, has fully ensured that pressure testing head is outstanding with tail pipe
The clamping of hanging device.
In some embodiments, block is face contact with contacting of rib.This setting further increase rib with
The contact area of block, makes rib more stable with the connection of the contact position of block simultaneously.
In some embodiments, the surface construction contacted with rib of groove becomes shiny surface.This shiny surface is easy to pressure testing
The groove of end socket is through the rib of extension hanger, thus improves the fluency that extension hanger is connected with pressure testing head.
In some embodiments, the outer wall of the close block of end socket main body offers observation port.By this sight
Examine hole can to the block of pressure testing head with observe the coordinating of rib of extension hanger, so that it is guaranteed that pressure testing head
Connective stability with extension hanger.
In some embodiments, observation port is between adjacent two blocks, and the circumferential width of observation port
Circumferential width equal to groove.By this set, after pushing pressure testing head, by observation port it can be seen that rib
In observation port central authorities, subsequently end socket main body is rotated a certain angle, rib is staggered with observation port, until vertically
Observe in observation port and can't see rib, show that pressure testing head has been reliably connected with hanger.After pressure testing,
Pressure testing head is inverted identical angle, rib is alignd with observation port, end socket can be pulled down.
In some embodiments, observation port is circumferentially spacedly distributed, and the number of observation port is the individual of groove
/ 2nd of number.This setting make user in use can arbitrarily angled or side look up pressure testing head with
The connection of extension hanger, simultaneously, it is possible to ensure the comprcssive strength of end socket main body.
In some embodiments, pressure testing head also includes subring.This subring can facilitate end socket main body
Angle is adjusted, thus realizes pressure testing head and the connection of extension hanger and dismounting.
In some embodiments, end socket main body also includes the head sealing cover being fixed on the end of end socket main body, end socket
It is provided with the first sealing member between lid and end socket main body.End socket main body can be carried out forever by welding with head sealing cover
Connect, it is also possible to using end socket main body and head sealing cover as overall processing.
In some embodiments, the position between observation port and head sealing cover on the inwall of end socket main body is also
It is provided with the second sealing member.When pressure testing head is connected pressure testing with hanger, the second sealing member is fitted with hanger
Seal.
Compared with prior art, the pressure testing head for extension hanger of the present utility model has the advantage that
(1) pressure testing head for extension hanger of the present utility model has abandoned use screw thread in prior art
Connecting the pressure testing form of end socket, the form using block to match with the rib of hanger bears pressure test pressure, and same
Time have employed sealing member and seal, it is to avoid during threaded pressure testing, pressure testing head is to the spiral shell on extension hanger
The damage that stricture of vagina causes；
(2) in this utility model, when the rib of extension hanger passes the groove of pressure testing head, only need to will try
Press seal head rotates to an angle and can complete quickly being connected of pressure testing head and extension hanger.Therefore, this practicality
The novel more enough realizations of the pressure testing head for extension hanger to extension hanger lossless, rapidly and efficiently try
Pressure；
(3) pressure testing head for extension hanger of the present utility model is applicable to the various of same dimensions
The extension hanger of button-type, has good versatility；
(4) pressure testing head for extension hanger of the present utility model is without instruments such as upper shackling machine, pipe wrench,
Alleviate the labor intensity of labourer greatly, improve pressure testing efficiency；
(5) pressure testing head for extension hanger of the present utility model is particularly well-suited to the spy of non-API standard
Different button-type, can save the high expense of processing special thread end socket, provide special buckle simultaneously and protect completely.
Accompanying drawing explanation
Hereinafter based on embodiment reference accompanying drawing, this utility model will be described in more detail.Its
In:
Fig. 1 is the cross-sectional schematic of the structure according to pressure testing head of the present utility model；
Fig. 2 is the fundamental diagram according to pressure testing head of the present utility model.
In the accompanying drawings, identical parts use identical reference.Accompanying drawing is not drawn according to actual ratio.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Details described here is exemplary, and is only used for carrying out embodiment of the present utility model illustratively
Discussing, the presence of which is to provide for being considered as most useful in terms of principle of the present utility model and concept
The most intelligible description.About this point, it is not attempted to here CONSTRUCTED SPECIFICATION of the present utility model is surpassed
For the introduction of the degree needed for basic comprehension this utility model, those skilled in the art by description and
Accompanying drawing is clearly understood that how to be practically carrying out several form of the present utility model.
Fig. 1 shows the knot of a kind of pressure testing head 100 for extension hanger provided according to this utility model
Structure schematic diagram.Shown in Fig. 2, the outer wall of the part being connected with pressure testing head 100 of extension hanger 200
Upper the most circumferentially spaced being provided with multiple rib 210, pressure testing head 100 includes end socket main body 10, end socket main body 10
The part being connected with extension hanger 200 inwall on circumferentially spaced be provided with multiple block 11, adjacent two
The groove 12 for the rib 210 through extension hanger 200 is formed between individual block 11.
Of the present utility model in the pressure testing head 100 of extension hanger, when needs connect pressure testing head 100
During pressure testing, the groove 12 on pressure testing head 100 is alignd with the rib 210 on hanger 200, and pushes pressure testing
End socket 100, rotates a certain angle end socket main body 10 subsequently and can realize extension hanger 200 and pressure testing envelope
The connection of 100.At the pressure testing mouth 20 of pressure testing head 100, connect pressure testing pipeline can complete pressure testing.Examination
After pressure, end socket main body 10 is inverted identical angle, pressure testing head 100 can be pulled down.This practicality
The novel pressure testing head 100 for extension hanger has abandoned the examination using threaded end socket in prior art
Swaging formula, the form using block 11 to match with the rib 210 of hanger 200 bears pressure test pressure, it is to avoid
The damage that during pressure testing, extension hanger 200 is caused by pressure testing head 100.Of the present utility model outstanding for tail pipe
The pressure testing head 100 of hanging device achieves lossless, rapidly and efficiently pressure testing to extension hanger 200.
In a preferred embodiment, the circumferential width of block 11 is more than or equal to the circumferential width of rib 210.
This setting can increase the contact area of rib 210 and block 11, so that it is guaranteed that the coordinating of block 11 and rib 210,
Fully ensure that the clamping of pressure testing head 100 and extension hanger 200.
Preferably, block 11 is face contact with contacting of rib 210.This setting further increases rib 210
With the contact area of block 11, make rib 210 more stable with the connection of the contact position of block 11 simultaneously.
It is further preferred that the surface construction contacted with rib 210 of groove 12 becomes shiny surface.This shiny surface is easy to pressure testing
The groove 12 of end socket 100 is through the rib 210 of extension hanger 200, thus improves extension hanger 200 and pressure testing
The fluency that end socket 100 connects.
According to this utility model, as it is shown in figure 1, offer on the outer wall of the close block 11 of end socket main body 10
Observation port 16.Can be to the rib 210 of the block 11 of pressure testing head with extension hanger 200 by this observation port 16
Cooperation observe, so that it is guaranteed that the connective stability of pressure testing head 100 and extension hanger 200.
Preferably, observation port 16 is between adjacent two blocks 11, and the circumferential width of observation port 16
Circumferential width equal to groove 12.By this set, after pushing pressure testing head 100, by observation port 16
It can be seen that rib 210 is in observation port 16 central authorities, subsequently end socket main body 100 is rotated a certain angle, by rib
210 stagger with observation port 16, until vertical observation in observation port 16 can't see rib 210, show that pressure testing is sealed
100 have been reliably connected with hanger 200.After pressure testing, pressure testing head 100 is inverted identical angle
Degree, aligns rib 210 with observation port 16, can be pulled down by pressure testing head 100.
It is further preferred that observation port 16 is circumferentially spacedly distributed, and the number of observation port 16 is groove 12
/ 2nd of number.This setting makes user can look up pressure testing head in arbitrarily angled or side in use
100 with the connection of extension hanger 200, simultaneously, it is possible to ensure the comprcssive strength of end socket main body 10.
In the embodiment shown in fig. 1, pressure testing head 100 also includes subring 30.This subring 30 can
The convenient angle to end socket main body 10 is adjusted, thus realizes pressure testing head 100 and extension hanger 200
Connection and dismounting.
It addition, end socket main body 10 also includes the head sealing cover 14 being fixed on the end of end socket main body 10, head sealing cover
The first sealing member 15 it is provided with between 14 and end socket main body 10.End socket main body 10 can pass through with head sealing cover 14
Welding carries out permanently connected, it is also possible to using end socket main body 10 with head sealing cover 14 as overall processing.
Additionally, as it is shown in figure 1, on the inwall of end socket main body 10 be positioned at observation port 16 and head sealing cover 14 it
Between position be additionally provided with the second sealing member 13.When pressure testing head 100 is connected pressure testing with hanger 200, the
Two sealing members 13 seal with hanger 200 laminating.
Extension hanger 200 according to different models can make the pressure testing head 100 of different model accordingly.Example
As, experimenter uses 7 " lossless pressure testing head and 7 " new packer liner-hanger hanger coordinate carry out pressure testing, whole pressure testing
End socket connection procedure only needs 2 minutes, and the whole connection procedure of threaded end socket of routine need 10 minutes with
On, pressure testing efficiency improves more than 5 times.Complete machine pressure testing 25MPa after end socket clamping, close in hanger entirety
In the case of sealing property is good, voltage stabilizing 15 minutes, without pressure drop, pressure testing head good seal is described.
Further for example, experimenter uses 7 " pressure testing head and lower contact button-type be the 7 of VAM-TOP button " embedded tail pipe
Hanger cooperation carries out pressure testing, and pressure testing efficiency can improve more than 5 times equally.Complete machine examination after pressure testing head clamping
Pressure 25MPa, in the case of hanger overall sealing performance is good, voltage stabilizing 15 minutes, without pressure drop, explanation
This pressure testing head has good versatility for the extension hanger with different screw thread, saves pressure test tool
Cost, owing to end socket need not the VAM-TOP screw thread that processing is expensive, saves processing cost further, tool
There is obvious economic benefit.
It should be noted that foregoing example is only to be construed to purpose, and it is not construed as limiting this practicality
Novel.Although this utility model being described according to exemplary embodiment, it being understood, however, that this
In use descriptive and illustrative language rather than restrictive language.In presently described and amendment
Scope of the following claims in, in the scope without departing from scope and spirit of the present utility model, can be right
This utility model is changed.Although it is the newest to this practicality according to specific mode, material and embodiment
Type is described, but this utility model is not limited in details disclosed herein；On the contrary, this utility model can
Expand to the structure of all identical functions the most within the scope of the appended claims, methods and applications.
Claims (10)
1. for the pressure testing head of extension hanger, described extension hanger with described pressure testing head phase
Circumferentially spaced on the outer wall of part even it is provided with multiple rib, it is characterised in that described pressure testing head includes envelope
Head body, circumferentially spaced setting on the inwall of the part being connected with described extension hanger of described end socket main body
There is multiple block, between adjacent two described blocks, form the groove for the rib through described extension hanger.
Pressure testing head for extension hanger the most according to claim 1, it is characterised in that described
The circumferential width of block is more than or equal to the circumferential width of described rib.
Pressure testing head for extension hanger the most according to claim 1 and 2, it is characterised in that
Described block is face contact with contacting of described rib.
Pressure testing head for extension hanger the most according to claim 3, it is characterised in that described
The surface construction contacted with described rib of groove becomes shiny surface.
Pressure testing head for extension hanger the most according to claim 1 and 2, it is characterised in that
Observation port is offered on the outer wall of the close described block of described end socket main body.
Pressure testing head for extension hanger the most according to claim 5, it is characterised in that described
Observation port is between adjacent two described blocks, and the circumferential width of described observation port is equal to the week of described groove
To width.
Pressure testing head for extension hanger the most according to claim 5, it is characterised in that described
Observation port is circumferentially spacedly distributed, and 1/2nd of the number that the number of described observation port is described groove.
Pressure testing head for extension hanger the most according to claim 1 and 2, it is characterised in that
Described pressure testing head also includes subring.
Pressure testing head for extension hanger the most according to claim 5, it is characterised in that described
End socket main body also includes the head sealing cover being fixed on the end of described end socket main body, and described head sealing cover is with described end socket originally
The first sealing member it is provided with between body.
Pressure testing head for extension hanger the most according to claim 9, it is characterised in that described
It is close that the position between described observation port and described head sealing cover on the inwall of end socket main body is additionally provided with second
Sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620054730.4U CN205592561U (en) | 2016-01-20 | 2016-01-20 | A pressure testing head for liner hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620054730.4U CN205592561U (en) | 2016-01-20 | 2016-01-20 | A pressure testing head for liner hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205592561U true CN205592561U (en) | 2016-09-21 |
Family
ID=56927052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620054730.4U Active CN205592561U (en) | 2016-01-20 | 2016-01-20 | A pressure testing head for liner hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205592561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021040686A1 (en) * | 2019-08-26 | 2021-03-04 | Halliburton Energy Services, Inc. | Liner hanger with a test packer for wellbore operations |
-
2016
- 2016-01-20 CN CN201620054730.4U patent/CN205592561U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021040686A1 (en) * | 2019-08-26 | 2021-03-04 | Halliburton Energy Services, Inc. | Liner hanger with a test packer for wellbore operations |
| GB2597435A (en) * | 2019-08-26 | 2022-01-26 | Halliburton Energy Services Inc | Liner hanger with a test packer for wellbore operations |
| US11480036B2 (en) | 2019-08-26 | 2022-10-25 | Halliburton Energy Services, Inc. | Liner hanger with a test packer for wellbore operations |
| GB2597435B (en) * | 2019-08-26 | 2023-04-05 | Halliburton Energy Services Inc | Liner hanger with a test packer for wellbore operations |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |