CN208267814U - A kind of casing downhole hanger - Google Patents
A kind of casing downhole hanger Download PDFInfo
- Publication number
- CN208267814U CN208267814U CN201820284147.1U CN201820284147U CN208267814U CN 208267814 U CN208267814 U CN 208267814U CN 201820284147 U CN201820284147 U CN 201820284147U CN 208267814 U CN208267814 U CN 208267814U
- Authority
- CN
- China
- Prior art keywords
- screw thread
- inner sleeve
- wall
- snap ring
- outer tube
- 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
- Installation Of Indoor Wiring (AREA)
Abstract
The utility model discloses a kind of casing downhole hangers, including inner sleeve and outer tube, the inner sleeve is socketed in the inside of the outer tube, vacuum tube is provided between the inner sleeve and the outer tube, snap ring is provided between the vacuum tube and the inner sleeve, the both ends of the outer tube have been connected through a screw thread crossover sub one and crossover sub two, the utility model has the beneficial effects that, the two is spaced apart by setting vacuum tube between outer tube and inner sleeve, avoid outer tube and the impaired rear cable of wall friction directly and wall friction, lubricating oil is injected convenient for people outside hanger into pipe by oil receiving hole and the fuel feed hole that is corresponding to it simultaneously, the both ends of outer tube are connected separately with pipe coupling one and crossover sub two, connector external screw thread can be cooperatively connected with connector internal screw thread simultaneously, so as to according to engineer operation reality Border needs for more casing hangers to be connected in turn, and extends casing overall length, expands its use scope.
Description
Technical field
The utility model relates to underground ancillary equipment field, especially a kind of casing downhole hanger.
Background technique
Underground ancillary equipment is necessary a kind of ancillary equipment in underwater well head operation, is commonly used in underwater cable or pipe
Road makes it relative to platform stable operation, and there are length limited systems for downhole hanger at this stage, and being unable to satisfy heavy duty service needs
It wants, the problem of hanger tube wall is single layer tube wall, and tube wall and borehole wall serious wear will affect the stability of casing entirety.
Utility model content
Purpose of the utility model is to solve the above problems, devise a kind of casing downhole hanger.
Realize that above-mentioned purpose the technical solution of the utility model is a kind of casing downhole hanger, including inner sleeve and outer
Casing, the inner sleeve are socketed in the inside of the outer tube, are provided with vacuum tube between the inner sleeve and the outer tube,
Snap ring is provided between the vacuum tube and the inner sleeve, the both ends of the outer tube have been connected through a screw thread crossover sub one
With crossover sub two.
Snap ring inside groove is provided on the outer wall of the inner sleeve, the side of the snap ring inside groove is provided with double through-hole, described
For double through-hole along the inner sleeve radial equipartition, the side of the double through-hole is provided with multiple fuel feed holes, multiple oil inlets
Grooved hole, the inner sleeve is arranged far from one end of the fuel feed hole along the inner sleeve radial equipartition, the inner sleeve inside pipe wall in hole
The both ends of pipe outer wall are provided with the first seal groove.
The both ends of the outer sleeve inner wall are provided with pipe and connect internal screw thread, and the side that the pipe connects internal screw thread opposite direction at two is set
It is equipped with the second seal groove, oil receiving hole corresponding with the fuel feed hole is evenly equipped in the housing pipe outer wall.
Snap ring outer groove is offered on one end of the vacuum inside pipe wall, there are six flat for radial equipartition in the vacuum pipe outer wall
Bottom outlet, the flat-bottom hole are blind hole, and second seal groove, the two sides point of the flat-bottom hole are provided on the vacuum inside pipe wall
It is not provided with a third seal groove.
Card interface is provided on the tube wall of the snap ring.
The snap ring inside groove is equal with the width of the snap ring outer groove, the snap ring be installed on the snap ring inside groove with it is described
Between snap ring outer groove.
One end of one outer wall of crossover sub is provided with pipe and connects external screw thread, and its other end is provided with connector external screw thread,
The pipe connects externally threaded side and is provided with third seal groove.
Pipe is provided on the outer wall of described two one end of crossover sub and connects external screw thread, and is provided with and is connect on the inner wall of its other end
Head internal screw thread, the pipe connect externally threaded side and are provided with third seal groove.
The connector external screw thread can be cooperatively connected with the connector internal screw thread.
O-ring is provided in first seal groove, second seal groove and the third seal groove.
The beneficial effect is that being spaced apart the two by setting vacuum tube between 1. outer tubes and inner sleeve, avoid outer
After casing and wall friction are impaired cable directly and wall friction, while by oil receiving hole and the fuel feed hole that is corresponding to it convenient for people
Lubricating oil is injected into pipe outside hanger.
2. vacuum tube is used to support outer sleeve for connecting and inner sleeve, setting snap ring inside groove on vacuum inside pipe wall, outside inner sleeve
Snap ring outer groove is set on wall, is installed with snap ring between snap ring inside groove and snap ring outer groove, thus including making vacuum tube by snap ring
The axial position of casing is fixed.
3. the both ends of outer tube are connected separately with pipe coupling one and crossover sub two, while in connector external screw thread and connector
Screw thread can be cooperatively connected, and so as to which more casing hangers are connected in turn according to engineer operation actual needs, prolong
Long casing overall length, expands its use scope.
Detailed description of the invention
Fig. 1 is a kind of overall structure cross-sectional view of casing downhole hanger of the utility model；
Fig. 2 is a kind of inner sleeve structural schematic diagram of casing downhole hanger of the utility model；
Fig. 3 is a kind of outer sleeve structure schematic diagram of casing downhole hanger of the utility model；
Fig. 4 is a kind of vacuum tube structure schematic diagram of casing downhole hanger of the utility model；
Fig. 5 is a kind of one structural schematic diagram of crossover sub of casing downhole hanger of the utility model；
Fig. 6 is a kind of two structural schematic diagram of crossover sub of casing downhole hanger of the utility model；
Fig. 7 is a kind of Snap ring structure schematic diagram of casing downhole hanger of the utility model；
Fig. 8 is a kind of snap ring sectional view of casing downhole hanger of the utility model；
In figure, 1, inner sleeve；2, outer tube；3, vacuum tube；4, snap ring；5, crossover sub one；6, crossover sub two；7, block
Ring inside groove；8, double through-hole；9, fuel feed hole；10, slot；11, pipe connects internal screw thread；12, oil receiving hole；13, snap ring outer groove；14, it puts down
Bottom outlet；15, card interface；16, pipe connects external screw thread；17, connector external screw thread；18, connector internal screw thread；19, the first seal groove；20,
Two seal grooves；21, third seal groove.
Specific embodiment
The utility model is specifically described with reference to the accompanying drawing, as shown in Figure 1, a kind of casing downhole hanger, packet
Include inner sleeve (1) and outer tube (2), the inner sleeve (1) is socketed in the inside of the outer tube (2), the inner sleeve (1) with
Be provided with vacuum tube (3) between the outer tube (2), between outer tube and inner sleeve by setting vacuum tube will between the two every
It opens, avoids outer tube and the impaired rear cable of wall friction directly and wall friction, the vacuum tube (3) and the inner sleeve (1)
Between be provided with snap ring (4), the both ends of the outer tube (2) have been connected through a screw thread crossover sub one (5) and crossover sub two
(6)。
As shown in Fig. 2, being provided with snap ring inside groove (7) on the outer wall of the inner sleeve (1), the side of the snap ring inside groove (7)
It being provided with double through-hole (8), the double through-hole (8) is along the inner sleeve (1) radial equipartition, and the one of the double through-hole (8)
Side is provided with multiple fuel feed holes (9), and multiple fuel feed holes (9) are along the inner sleeve (1) radial equipartition, the inner sleeve (1)
Grooved hole (10) are arranged far from one end of the fuel feed hole (9) in inner wall, and the both ends of inner sleeve (1) outer wall are provided with the first sealing
Slot (19).
As shown in figure 3, the both ends of outer tube (2) inner wall are provided with pipe and connect internal screw thread (11), the pipe is connect at two
The side of internal screw thread (11) opposite direction is provided with the second seal groove (19), is evenly equipped with and the oil inlet on outer tube (2) outer wall
The corresponding oil receiving hole (12) in hole (9) is infused outside hanger into pipe by oil receiving hole and the fuel feed hole that is corresponding to it convenient for people
Enter lubricating oil.
As shown in figure 4, offering snap ring outer groove (13) on one end of vacuum tube (3) inner wall, the vacuum tube (3) is outside
For radial equipartition there are six flat-bottom hole (14), the flat-bottom hole (14) is blind hole on wall, is provided with one on vacuum tube (3) inner wall
A second seal groove (19), the two sides of the flat-bottom hole (14) are respectively arranged with a third seal groove (19).
As shown in fig. 7, being provided with card interface (15) on the tube wall of the snap ring (4).
As Figure 2-3, the snap ring inside groove (7) is equal with the width of the snap ring outer groove (13), snap ring (4) card
Between the snap ring inside groove (7) and the snap ring outer groove (13), it is installed with snap ring between snap ring inside groove and snap ring outer groove, from
And by snap ring vacuum tube is fixed in the axial position of inner sleeve.
As seen in figs. 5-6, one end of crossover sub one (5) outer wall is provided with pipe and connects external screw thread (16), and its is another
End is provided with connector external screw thread (17), and the side that the pipe connects external screw thread (16) is provided with third seal groove (19)；The conversion
It is provided with the pipe on the outer wall of connector two (6) one end and connects external screw thread (16), and is provided in connector on the inner wall of its other end
Screw thread (18), the side that the pipe connects external screw thread (16) are provided with third seal groove (19)；The connector external screw thread (17) and institute
Stating connector internal screw thread (18) can be cooperatively connected, and the both ends of outer tube are connected separately with pipe coupling one and crossover sub two, simultaneously
Connector external screw thread can be cooperatively connected with connector internal screw thread, so as to be actually needed according to engineer operation by more casing hangers
It is connected in turn, extends casing overall length, expand its use scope.
O is provided in first seal groove (19), second seal groove (20) and the third seal groove (21)
Type circle.
Working principle:
A kind of casing downhole hanger of embodiment 1., snap ring is strutted along card interface, card interface is caught in the snap ring of inner sleeve
Inside groove is put into O-ring in the seal groove of vacuum inside pipe wall and outer wall, and vacuum tube is sleeved on inner sleeve from one end of inner sleeve
Outside, until so that the snap ring outer groove of vacuum tube is corresponded to snap ring position, due to O-ring in the installation process of vacuum tube
In the presence of assembling process is caused, there are larger frictional resistance, can be connected on the flat-bottom hole of vacuum tube with spanner and facilitate its assembly,
Then outer tube is sleeved on to the outside of vacuum tube from one end of inner sleeve, so that oil receiving hole is corresponded to each other with fuel feed hole, so far,
The assembly for completing inner sleeve, vacuum tube, snap ring and outer tube, is respectively put into seal groove of the crossover sub one with crossover sub two
One O-ring, one end that outer tube is provided with oil receiving hole is connected through a screw thread crossover sub one, and its other end is connected by screw thread
Crossover sub two is connect, to complete a kind of assembly of casing downhole hanger.
In actual use, at this moment required pipe range can be incited somebody to action often beyond the length of a casing downhole hanger
More casing downhole hangers join end to end, and pass through the crossover sub two adjacent thereto of the connector external screw thread by crossover sub one
Connector internal screw thread is connected through a screw thread, so that more casing downhole hangers be linked together, is reached and is met real work need
Want the purpose of length.
Embodiment 2. replaces with " flat-bottom hole of vacuum tube " described in embodiment 1 " anti-slip layer of vacuum tube ", or
A kind of non-skid coating is added in " flat-bottom hole of vacuum tube " position, other are same as Example 1, can play similarly convenient for spanner
It is clamped vacuum tube, consequently facilitating the effect of vacuum tube installation.
" one end that outer tube is provided with oil receiving hole is connected through a screw thread crossover sub to embodiment 3. by described in embodiment 1
One, and its other end be connected through a screw thread crossover sub two " replace with " outer tube be provided with oil receiving hole one end pass through screw thread connect
Crossover sub two is connect, and its other end is connected through a screw thread crossover sub one ", other are same as Example 1, this can be made practical
It is novel to play same using effect.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art
Personnel embody the principles of the present invention to some variations that some of them part may be made, and belong to the utility model
Protection scope within.
Claims (10)
1. a kind of casing downhole hanger, including inner sleeve (1) and outer tube (2), which is characterized in that inner sleeve (1) set
The inside in the outer tube (2) is connect, is provided between the inner sleeve (1) and the outer tube (2) vacuum tube (3), it is described
It is provided between vacuum tube (3) and the inner sleeve (1) snap ring (4), the both ends of the outer tube (2), which have been connected through a screw thread, to be turned
Changing-over first (5) and crossover sub two (6).
2. a kind of casing downhole hanger according to claim 1, which is characterized in that on the outer wall of the inner sleeve (1)
It is provided with snap ring inside groove (7), the side of the snap ring inside groove (7) is provided with double through-hole (8), and the double through-hole (8) is along described
The side of inner sleeve (1) radial equipartition, the double through-hole (8) is provided with multiple fuel feed holes (9), multiple fuel feed holes (9)
Along the inner sleeve (1) radial equipartition, grooved hole is arranged far from one end of the fuel feed hole (9) in inner sleeve (1) inner wall
(10), the both ends of inner sleeve (1) outer wall are provided with the first seal groove (19).
3. a kind of casing downhole hanger according to claim 2, which is characterized in that the two of outer tube (2) inner wall
End is provided with pipe and connects internal screw thread (11), and the side that the pipe connects internal screw thread (11) opposite direction at two is provided with the second seal groove
(20), oil receiving hole (12) corresponding with the fuel feed hole (9) is evenly equipped on outer tube (2) outer wall.
4. a kind of casing downhole hanger according to claim 2, which is characterized in that the one of vacuum tube (3) inner wall
It is offered on end snap ring outer groove (13), there are six flat-bottom hole (14), the flat-bottom holes for radial equipartition on vacuum tube (3) outer wall
(14) it is blind hole, second seal groove (20), the two sides point of the flat-bottom hole (14) is provided on vacuum tube (3) inner wall
It is not provided with a third seal groove (21).
5. a kind of casing downhole hanger according to claim 1, which is characterized in that opened on the tube wall of the snap ring (4)
There are card interface (15).
6. a kind of casing downhole hanger according to claim 1, which is characterized in that the snap ring inside groove (7) with it is described
The width of snap ring outer groove (13) is equal, the snap ring (4) be installed on the snap ring inside groove (7) and the snap ring outer groove (13) it
Between.
7. a kind of casing downhole hanger according to claim 2, which is characterized in that crossover sub one (5) outer wall
One end be provided with pipe and connect external screw thread (16), and its other end is provided with connector external screw thread (17), and the pipe connects external screw thread (16)
Side be provided with third seal groove (21).
8. a kind of casing downhole hanger according to claim 7, which is characterized in that described crossover sub two (6) one end
Outer wall on be provided with the pipe and connect external screw thread (16), and connector internal screw thread (18) are provided on the inner wall of its other end.
9. a kind of casing downhole hanger according to claim 8, which is characterized in that the connector external screw thread (17) and institute
Stating connector internal screw thread (18) can be cooperatively connected.
10. a kind of casing downhole hanger according to claim 4, which is characterized in that first seal groove (19), institute
It states in the second seal groove (20) and the third seal groove (21) and is provided with O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820284147.1U CN208267814U (en) | 2018-02-28 | 2018-02-28 | A kind of casing downhole hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820284147.1U CN208267814U (en) | 2018-02-28 | 2018-02-28 | A kind of casing downhole hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208267814U true CN208267814U (en) | 2018-12-21 |
Family
ID=64675469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820284147.1U Active CN208267814U (en) | 2018-02-28 | 2018-02-28 | A kind of casing downhole hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208267814U (en) |
-
2018
- 2018-02-28 CN CN201820284147.1U patent/CN208267814U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7661474B2 (en) | Connector assembly and method of use | |
| US7866708B2 (en) | Joining tubular members | |
| US11649683B2 (en) | Non-threaded tubular connection | |
| CN102374360B (en) | Hydraulic drive telescopic downhole tool running device of horizontal well | |
| CA2577645C (en) | Energizing seal for expandable connections | |
| CA2689858A1 (en) | Modular connector and method | |
| GB2257180A (en) | Tubing connector | |
| CN104074485B (en) | A kind of horizontal well lost circulation prevention cyclone sand washing device device and sand washing process thereof | |
| EP3170964A1 (en) | Underground opening self-locking well casing pipe centering device | |
| CN109763795B (en) | Bypass diversion screen pipe | |
| WO1986003274A1 (en) | Oilwell tubing connector | |
| CN105715221A (en) | Seafloor sediment rope coring three-layer pipe drilling tool suitable for seafloor drilling machine | |
| CN216430819U (en) | Bidirectional telescopic self-balancing rotary pipe joint and pipe manifold device thereof | |
| CN208267814U (en) | A kind of casing downhole hanger | |
| CN210714497U (en) | Double-layer combined sleeve | |
| US8973664B2 (en) | Subsea wellhead stabilization using cylindrical sockets | |
| CN108240189A (en) | A kind of hydraulic control liquid drives continuous pipe drilling tractor | |
| CN206458381U (en) | A kind of hydraulic control liquid drives continuous pipe drilling tractor | |
| US10087726B2 (en) | System and method for rotating casing string | |
| CN212743948U (en) | Plug-in sealing device | |
| CN109611052B (en) | Casing packer | |
| CN207064012U (en) | Gas screen casing | |
| CA3114074C (en) | Lobular connection for tubulars | |
| CN207453900U (en) | A kind of hydraulic type continuous pressure send drill tools | |
| CN203742526U (en) | Cement filling type packer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300000 16 Baoyuan Road, Jinnan Economic Development Zone, Jinnan District, Tianjin Patentee after: Tianjin Jinggong petroleum special pipe fittings Co., Ltd Address before: 300000 16 Baoyuan Road, Jinnan Economic Development Zone, Jinnan District, Tianjin Patentee before: TIANJIN JINGGONG PETROLEUM PIPE FITTINGS CO., LTD. |