CN209637701U - A kind of high temperature safe connector - Google Patents
A kind of high temperature safe connector Download PDFInfo
- Publication number
- CN209637701U CN209637701U CN201920118019.4U CN201920118019U CN209637701U CN 209637701 U CN209637701 U CN 209637701U CN 201920118019 U CN201920118019 U CN 201920118019U CN 209637701 U CN209637701 U CN 209637701U
- Authority
- CN
- China
- Prior art keywords
- sealing
- sleeve
- connector
- high temperature
- 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.)
- Active
Links
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model provides a kind of high temperature safe connector, including top connection, connector sleeve, locating slide sleeve, lower contact, the first sealing and the second sealing；Top connection lower part is connect with connector sleeve top, connector sleeve lower part is connect with lower contact top, locating slide sleeve is fixed on inside connector sleeve, and the contact surface on connector sleeve top and locating slide sleeve top is equipped with the first sealing, and connector sleeve lower part and the contact surface of locating slide sleeve lower part are equipped with the second sealing；First sealing includes upper seal and the first combined sealing ring, and the second sealing includes lower seal and the second combined sealing ring.High temperature safe connector provided by the utility model, sealing is set to include sealing ring and combined sealing ring, combined sealing ring plays primary seal, sealing encloses auxiliary seal effect, preferably guarantee sealing in the high temperature environment also can steady operation, to make high temperature safe connector that can all have good sealing function under high/low temperature working condition.
Description
Technical field
This application involves field of petroleum exploitation, and in particular, to a kind of high temperature safe connector.
Background technique
During oil-gas mining, high temperature safe connector is the security tool of a kind of disengagement, the docking for down-hole string,
It is that will meet card tubing string when underground is broken down or tubing string card resistance and disengage from high temperature safe joint, to reduce that it, which is acted on,
Operating risk reduces workload, improves the safety of operation.Oil recovery by heating is presently the most effective the Technology of Heavy Oil Recovery,
It is related to high temperature and high pressure condition condition, steam injection pressure is up to 21MPa, and steam injecting temperature is up to 350 DEG C.Therefore, it is used in thermal production well
High temperature safe connector, it is desirable that all have good sealing performance during entire note is adopted, this requires high temperature safe connectors
Sealing mechanism is able to bear high temperature, and load performance with higher in the steam injection stage, after production phase temperature of recovering the oil is fallen after rise,
It is still able to maintain good load performance, alternately variation is not influenced by temperature.
Currently, common high temperature safe connector mainly has shear pin formula and two kinds of back-buckling type, conventional shear pin formula high temperature safe is connect
Head only connects upper lower contact by shear pin, is easy to be influenced by operation and hole condition and cause midway disconnected de- during operation, causes operation
Accident；Sawtooth pattern left-hand thread high temperature safe connector, the cooperation of screw thread need certain preload, and it is larger to disengage difficulty.And it is existing
Some high temperature safe connectors, whether back-buckling type or shear pin formula, adopt what well designed both for cold greatly, interior sealing is all made of rubber
Glue sealing ring, heatproof are usually no more than 150 DEG C, can fail under the high temperature conditions, are unable to satisfy the work of thermal production well high/low temperature alternation
Condition condition, and then influence steam injection and production.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of high temperature safe connector, the high temperature safe connector
It is applicable to the working condition of thermal production well high/low temperature alternation, the operation is stable, structure is reliable.
In order to reach the purpose of this utility model, the technical solution that the utility model is taken is as follows:
The utility model provides a kind of high temperature safe connector, including top connection, connector sleeve, locating slide sleeve, lower contact,
One sealing and the second sealing；
The top connection lower part is connect with the connector sleeve top, and the connector sleeve lower part and the lower contact top connect
It connects, the locating slide sleeve is fixed on inside connector sleeve, is set on the connector sleeve top and the contact surface on the locating slide sleeve top
There is the first sealing, the contact surface of the connector sleeve lower part and the locating slide sleeve lower part is equipped with the second sealing；
First sealing includes multiple upper seals, and second sealing includes multiple lower seals.
Optionally, first sealing further includes the first combined sealing ring, and first combined sealing ring includes multiple
Graphite annulus and multiple high carbon fiber rings, the graphite annulus and the high carbon fiber ring are alternately distributed；
Second sealing further includes the second combined sealing ring, second combined sealing ring include multiple graphite annulus and
Multiple high carbon fiber rings, the graphite annulus and the high carbon fiber ring are alternately distributed.
Optionally, the high temperature safe connector further includes connecting mandrel；The connecting mandrel is arranged under the connector sleeve
Between portion and the locating slide sleeve lower part, the connecting mandrel and the locating slide sleeve lower part is arranged in second sealing
On contact surface, the connecting mandrel top is equipped with fixing pin.
Optionally, the locating slide sleeve top is equipped with first annular groove, and first combined sealing ring is mounted on described
In first annular groove；
The locating slide sleeve lower part is equipped with second annular groove, and second combined sealing ring is mounted on second annular
In groove.
Optionally, first sealing further includes the first clamping sleeve, first clamping sleeve and the connection external threading
Connection, the lower part of first clamping sleeve resists the top of first combined sealing ring；
Second sealing further includes the second clamping sleeve, and second clamping sleeve is threadedly coupled with the connector sleeve, institute
The top for stating the second clamping sleeve resists the lower part of second combined sealing ring.
Optionally, graphite annulus is installed in the first annular groove and the second annular groove bottom, with the first clamping sleeve
With the high carbon fiber ring of installation at the second clamping sleeve abutting.
Optionally, the graphite annulus and the high carbon fiber ring with a thickness of 6-10mm.
Optionally, adjusting ring is additionally provided on the outside of the lower contact, the adjusting ring is installed to the connector sleeve lower section and supported
Connector sleeve is stated in residence, is provided with anti-turn screw on the adjusting ring.
Optionally, the lower part of the connector sleeve, the top of the lower contact and the screw thread for adjusting ring are reverse thread.
Optionally, the middle part of the connector sleeve is equipped with location hole.
Compared with the prior art, the utility model has the following beneficial effects:
High temperature safe connector provided by the utility model sets sealing to include sealing ring and combined sealing ring, group
It closes sealing ring and plays primary seal, sealing encloses auxiliary seal effect, preferably guarantees that sealing in the high temperature environment also can be steady
Fixed work, to make high temperature safe connector that can all have good sealing function under high/low temperature working condition, avoids existing
High temperature safe connector in technology at high temperature seal failure the problem of, high temperature safe connector provided by the utility model can be fast
Speed separates tubing string, can satisfy the unfreezing job requirements of thermal production well underground exception lock of tool drilling, improves thermal production well and makees
The safety and timeliness of industry, are widely portable to field of heavy oil thermal recovery.The high temperature safe joint structure stabilization, reliable operation,
Long service life substantially increases the practicability of high temperature safe connector.
Other features and advantage will illustrate in the following description, also, partly become from specification
It obtains it is clear that being understood and implementing the application.The purpose of the application and other advantages can be by specifications, right
Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solutions of the utility model, and constitutes part of specification,
It is used to explain the technical solution of the utility model together with embodiments herein, not constitute to technical solutions of the utility model
Limitation.
Fig. 1 is the structural schematic diagram of high temperature safe connector described in the utility model embodiment；
Fig. 2 is the enlarged diagram of the portion A structure in Fig. 1.
It illustrates:
1- top connection, 2- connector sleeve, 21- location hole, 3- locating slide sleeve, 31- first annular groove, the second annular of 32- are recessed
Slot, 4- lower contact, the first sealing of 5-, 51- upper seal, the first combined sealing ring of 52-, 521- graphite annulus, 522- high carbon fiber
Dimension ring, the first clamping sleeve of 53-, the second sealing of 6-, 61- lower seal, the second combined sealing ring of 62-, the second clamping sleeve of 63-,
7- connecting mandrel, 71- fixing pin, 8- adjust ring, 81- anti-turn screw.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with attached drawing to this
The embodiment of utility model is described in detail.It should be noted that in the absence of conflict, embodiment in the application and
Feature in embodiment can mutual any combination.
The utility model provides a kind of high temperature safe connector, including top connection 1, connector sleeve 2, locating slide sleeve 3, lower contact
4, the first sealing 5 and the second sealing 6；
1 lower part of top connection is threadedly coupled with 2 top of connector sleeve, and 2 lower part of connector sleeve is threadedly coupled with 4 top of lower contact, fixed
Position sliding sleeve 3 is fixed on inside connector sleeve 2, and the contact surface on 2 top of connector sleeve and 3 top of locating slide sleeve is equipped with the first sealing 5,
The contact surface of 2 lower part of connector sleeve and 3 lower part of locating slide sleeve is equipped with the second sealing 6；
First sealing 5 includes multiple upper seals 51 and the first combined sealing ring 52, under the second sealing 6 includes multiple
Sealing ring 61 and the second combined sealing ring 62.It should be noted that " multiple " herein indicate 2 or 2 or more.Such as Fig. 1 and Fig. 2
Shown, the quantity of upper seal 51 and lower seal 61 is 2 in figure.
Upper seal 51 and lower seal 61 are all made of special high temperature-resistant material and are made, such as: fluorubber.Upper seal 51
2 are respectively set as with the quantity of lower seal 61.
In actual use, which connect in tripping in thermal production well according to design requirement with tubing string, completes construction
After operation, tubing string is without the direct upper lifting pipe post of card resistance phenomenon.If tubing string meets card, tubing string is rotated in the forward direction, then upper lifting pipe post, the company of proposition
With the tubing string of upper bit, (lower contact 4, the second clamping sleeve 63, connecting mandrel 7, adjusting ring 8 and anti-turn screw 81 stay in well to female connector 2
Under), then tripping in fishing tool salvages lower part and meets card tubing string again.
High temperature safe connector provided by the utility model sets sealing to include sealing ring and combined sealing ring, group
It closes sealing ring and plays primary seal, sealing encloses auxiliary seal effect, preferably guarantees that sealing in the high temperature environment also can be steady
Fixed work, to make high temperature safe connector that can all have good sealing function under high/low temperature working condition, avoids existing
High temperature safe connector in technology at high temperature seal failure the problem of, high temperature safe connector provided by the utility model can be fast
Speed separates tubing string, can satisfy the unfreezing job requirements of thermal production well underground exception lock of tool drilling, improves thermal production well and makees
The safety and timeliness of industry, are widely portable to field of heavy oil thermal recovery.The high temperature safe joint structure stabilization, reliable operation,
Long service life substantially increases the practicability of high temperature safe connector.
Optionally, as shown in Fig. 2, the first combined sealing ring 52 includes multiple graphite annulus 521 and multiple high carbon fiber rings
522, graphite annulus 521 and high carbon fiber ring 522 are alternately distributed；Second combined sealing ring 62 includes multiple graphite annulus and multiple high-carbon
Fibrous ring, graphite annulus and high carbon fiber ring are alternately distributed.
By graphite annulus and high-elasticity fiber ring, alternately installation forms combined sealing ring, wherein and graphite annulus plays main seal,
High temperature resistant, still has good sealing performance in the high temperature environment, and high carbon fiber ring primarily serves protective effect, avoids installing
And high temperature safe splice failure or graphite annulus is impaired during other.High carbon fiber ring replaces installation with graphite annulus, can be in high temperature
Good sealing function is played under adjusting, and is hardly damaged, and functional reliability is high.
Optionally, as shown in Figure 1, high temperature safe connector further includes connecting mandrel 7；Connecting mandrel 7 is arranged under connector sleeve 2
Between 3 lower part of portion and locating slide sleeve, the second sealing 6 is arranged on connecting mandrel 7 and the contact surface of 3 lower part of locating slide sleeve, even
It connects 7 top of mandrel and fixing pin 71 is installed.
7 lower outside of connecting mandrel is threadedly coupled with 4 upper inner of lower contact, is equipped with fixing pin on connecting mandrel 7
71, prevent the rotational slide on locating slide sleeve 3 of connecting mandrel 7.Wherein, the quantity of fixing pin 71 be set as 4 or 4 with
On, it is evenly distributed.
Optionally, 3 top of locating slide sleeve is equipped with first annular groove 31, and the first combined sealing ring 52 is mounted on first annular
In the gap of groove 31 and connector sleeve 2；
3 lower part of locating slide sleeve is equipped with second annular groove 32, and the second combined sealing ring 62 is mounted on second annular groove 32
In the gap of connecting mandrel 7.
Optionally, as shown in Fig. 2, the first sealing 5 further includes the first clamping sleeve 53, the first clamping sleeve 53 and connector sleeve 2
It is threadedly coupled, the lower part of the first clamping sleeve 53 resists the top of the first combined sealing ring 52；
Second sealing 6 further includes the second clamping sleeve 63, and the second clamping sleeve 63 is threadedly coupled with connector sleeve 2, and second compresses
The top of set 63 resists the lower part of the second combined sealing ring 62.
Combined sealing ring is mounted in annular groove, the graphite annulus and high carbon fiber ring quantity in each combined sealing ring it
It is preferred with to be greater than 10, to guarantee sealing effect (quantity is only illustrated in attached drawing for 4).
Optionally, graphite annulus is installed in first annular groove 31 and 32 bottom of second annular groove, with the first clamping sleeve 53 and
High carbon fiber ring is installed at 63 abutting of the second clamping sleeve.
Annular groove bottom installation graphite annulus guarantee sealing effect, the high carbon fiber ring of the selection abutted with clamping sleeve, from
And graphite annulus is protected not to be extruded damage.
Optionally, graphite annulus and high carbon fiber ring with a thickness of 6-10mm.
Graphite annulus is consistent with the size of high carbon fiber ring, and 9mm can be selected in thickness, guarantees sealing effect.
Optionally, ring 8 is adjusted as shown in Figure 1, being additionally provided on the outside of lower contact 4, adjusted below the installation to connector sleeve 2 of ring 8 simultaneously
Connector sleeve 2 is resisted, adjusts and is provided with anti-turn screw 81 on ring 8.
It adjusts ring 8 to be fixed by anti-turn screw 81, keeps adjusting ring 8 fixed in the axial direction of lower contact 4, adjust ring 8
Connector sleeve 2 can be limited, connector sleeve 2 is avoided excessively to install.Wherein, the quantity of anti-turn screw 81 be set as 4 or 4 with
On, it is evenly distributed.
Optionally, the screw thread of the lower part of connector sleeve 2, the top of lower contact 4 and adjusting ring 8 is reverse thread.
The lower inside of connector sleeve 2, the upper outside of lower contact 4 and the screw thread for adjusting 8 inside of ring are reverse thread, high
Other connection screw threads of warm safety joint are forward screw thread, after being arranged in this way, (are connect with high temperature safe by rotating in the forward direction tubing string
Head top is connected) it can be realized the tripping of high temperature safe connector, easy to operate, safe and reliable,
Optionally, as shown in Figure 1, the middle part of connector sleeve 2 is equipped with location hole 21.
Location hole 21 can be used for examining whether high temperature safe connector is installed in place.
In addition, 1 top of top connection and 4 lower part of lower contact are additionally provided with forward screw thread, for connecting tubing string or other oil well works
Tool.
In description in the present invention, it should be noted that term " multiple " refers to two or more, "upper",
The orientation or positional relationship of the instructions such as "lower" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this reality
With it is novel and simplify description, rather than the structure of indication or suggestion meaning have specific orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.
In the description of the utility model embodiment unless specifically defined or limited otherwise, term " connection ", " phase
Even ", " installation " shall be understood in a broad sense, for example, term " connection " may be a fixed connection, may be a detachable connection or one
Connect to body；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.
For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain
Justice.
Although embodiment disclosed by the application is as above, the content only for ease of understanding the application and use
Embodiment is not limited to the application.Technical staff in any the application fields, is taken off not departing from the application
Under the premise of the spirit and scope of dew, any modification and variation, but the application can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of high temperature safe connector, it is characterised in that: including top connection, connector sleeve, locating slide sleeve, lower contact, the first sealing
Portion and the second sealing；
The top connection lower part is connect with the connector sleeve top, and the connector sleeve lower part is connect with the lower contact top, institute
It states locating slide sleeve to be fixed on inside connector sleeve, the contact surface on the connector sleeve top and the locating slide sleeve top is equipped with first
The contact surface of sealing, the connector sleeve lower part and the locating slide sleeve lower part is equipped with the second sealing；
First sealing includes multiple upper seals, and second sealing includes multiple lower seals.
2. high temperature safe connector according to claim 1, it is characterised in that: first sealing further includes the first combination
Sealing ring, first combined sealing ring include multiple graphite annulus and multiple high carbon fiber rings, the graphite annulus and the high-carbon
Fibrous ring is alternately distributed；
Second sealing further includes the second combined sealing ring, and second combined sealing ring includes multiple graphite annulus and multiple
High carbon fiber ring, the graphite annulus and the high carbon fiber ring are alternately distributed.
3. high temperature safe connector according to claim 2, it is characterised in that: the high temperature safe connector further includes connection core
Axis；The connecting mandrel is arranged between the connector sleeve lower part and the locating slide sleeve lower part, the second sealing setting
On the contact surface of the connecting mandrel Yu the locating slide sleeve lower part, the connecting mandrel top is equipped with fixing pin.
4. high temperature safe connector according to claim 3, it is characterised in that: the locating slide sleeve top is equipped with first annular
Groove, first combined sealing ring are mounted in the first annular groove；
The locating slide sleeve lower part is equipped with second annular groove, and second combined sealing ring is mounted on the second annular groove
In.
5. high temperature safe connector according to claim 2, it is characterised in that: first sealing further includes the first compression
Set, first clamping sleeve are threadedly coupled with the connector sleeve, and it is close that the lower part of first clamping sleeve resists first combination
The top of seal ring；
Second sealing further includes the second clamping sleeve, and second clamping sleeve is threadedly coupled with the connector sleeve, and described
The top of two clamping sleeves resists the lower part of second combined sealing ring.
6. high temperature safe connector according to claim 4, it is characterised in that: the first annular groove and second ring
Graphite annulus is installed in connected in star bottom, installs high carbon fiber ring with the first clamping sleeve and the second clamping sleeve place of abutting.
7. high temperature safe connector according to claim 6, it is characterised in that: the graphite annulus and the high carbon fiber ring
With a thickness of 6-10mm.
8. high temperature safe connector as claimed in any of claims 1 to 7, it is characterised in that: on the outside of the lower contact
It is additionally provided with adjusting ring, the adjusting ring is installed to the connector sleeve lower section and resists the connector sleeve, is arranged on the adjusting ring
There is anti-turn screw.
9. high temperature safe connector according to claim 8, it is characterised in that: the lower part of the connector sleeve, the lower contact
Top and it is described adjust ring screw thread be reverse thread.
10. high temperature safe connector as claimed in any of claims 1 to 7, it is characterised in that: in the connector sleeve
Portion is equipped with location hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118019.4U CN209637701U (en) | 2019-01-23 | 2019-01-23 | A kind of high temperature safe connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118019.4U CN209637701U (en) | 2019-01-23 | 2019-01-23 | A kind of high temperature safe connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209637701U true CN209637701U (en) | 2019-11-15 |
Family
ID=68478993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920118019.4U Active CN209637701U (en) | 2019-01-23 | 2019-01-23 | A kind of high temperature safe connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209637701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109273A (en) * | 2020-08-26 | 2022-03-01 | 中国石油化工股份有限公司 | Safety device for thickened oil thermal production well |
-
2019
- 2019-01-23 CN CN201920118019.4U patent/CN209637701U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109273A (en) * | 2020-08-26 | 2022-03-01 | 中国石油化工股份有限公司 | Safety device for thickened oil thermal production well |
| CN114109273B (en) * | 2020-08-26 | 2024-04-19 | 中国石油化工股份有限公司 | Safety device for thickened oil thermal recovery well |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB2429023A (en) | Connector Assembly | |
| CN209637701U (en) | A kind of high temperature safe connector | |
| CN206830123U (en) | A kind of HTHP packer of band elasticity deblocking ratchet and balance bypass | |
| CN201851057U (en) | Casing-broken well repair tubular column | |
| CN215860026U (en) | Rotatable telescopic short section and acid fracturing well completion pipe string | |
| CN109138856A (en) | Coiled tubing connector | |
| CN208122775U (en) | A kind of anti-rotational safety joint of band thermal compensation | |
| CN109779537A (en) | A kind of safety joint | |
| CN210714497U (en) | Double-layer combined sleeve | |
| RU2667956C2 (en) | Pipe coupling with load deflecting region | |
| CN200971776Y (en) | Thermal insulation underground multi-stage compensation for oil field gas injection well | |
| CN110924888A (en) | Multifunctional metal sealing type casing head | |
| CN109707343A (en) | A kind of thermal recovery underground annular control valve | |
| CN206554903U (en) | Thermal stress compensator for casing of thermal production well | |
| CN113445958B (en) | Compression packer | |
| CN212479153U (en) | Multifunctional metal sealing type casing head | |
| CN103206188A (en) | Isolation packer | |
| US20220010629A1 (en) | System and method for anti-rotation between tubulars | |
| CN212272046U (en) | Telescopic pipe capable of transmitting torque | |
| CN209212173U (en) | Coiled tubing connector | |
| RU202611U1 (en) | THREADED DRILL PIPE CONNECTION | |
| CN201865595U (en) | Damage-free oil tube centralizer | |
| CN115596369A (en) | Rotatable telescopic short section, acid fracturing well completion pipe string and acid fracturing well completion method | |
| RU200381U1 (en) | THREADED DRILL PIPE CONNECTION | |
| RU203057U1 (en) | THREADED DRILL PIPE CONNECTION |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |