CN107201886A - A kind of casing head being convenient for changing - Google Patents
A kind of casing head being convenient for changing Download PDFInfo
- Publication number
- CN107201886A CN107201886A CN201710628445.8A CN201710628445A CN107201886A CN 107201886 A CN107201886 A CN 107201886A CN 201710628445 A CN201710628445 A CN 201710628445A CN 107201886 A CN107201886 A CN 107201886A
- Authority
- CN
- China
- Prior art keywords
- casing
- sleeve pipe
- described sleeve
- head
- convenient
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000008878 coupling Effects 0.000 claims abstract description 44
- 238000010168 coupling process Methods 0.000 claims abstract description 44
- 238000005859 coupling reaction Methods 0.000 claims abstract description 44
- 210000004907 gland Anatomy 0.000 claims abstract description 38
- 238000013023 gasketing Methods 0.000 claims description 9
- 230000000452 restraining effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 244000147058 Derris elliptica Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/04—Casing heads; Suspending casings or tubings in well heads
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Revetment (AREA)
Abstract
The present invention relates to casing head technical field, and disclose a kind of casing head being convenient for changing, including casing coupling, casing head gland is provided with the top and bottom of described sleeve pipe box cupling, the inside of described sleeve pipe head gland is installed with casing joint, the inwall of described sleeve pipe joint is installed with two relative limited blocks, two ends of the relative side of two limited blocks respectively with T-shaped support bar are fixedly connected, the side of described sleeve pipe head gland is arranged with rubber seal, the casing head being convenient for changing, by way of bolt positioning and internal leakproof, effectively it can change at the scene of progress, it is simple to operate, effectively raise packaging efficiency, each interface internal is provided with leak-proof device, reduce the outflow of liquid, all parts are processed using special equipment, it ensure that all parts dimensionally stable, standardization is installed for product and creates condition, it is greatly lowered replacement cost.
Description
Technical field
The present invention relates to casing head technical field, specially a kind of casing head being convenient for changing.
Background technology
Casing head is typically made of high-quality alloy steel, casing hanger is also set up in casing head, to hang corresponding rule
The casing string of lattice, most of casing head is used for the well head of fixed drilling well, connects wellhead casing pipe post, to support protective casing and
The gravity of production string, and annular clearance is sealed, the annular space between each layer pipe is sealed, to install preventer, tubing head, is recovered the oil
Tree provides transition connection.
Casing head in the market is inconvenient to change, so propose a kind of casing head being convenient for changing to solve above-mentioned institute
The problem of mentioning.
The content of the invention
（One）The technical problem of solution
In view of the shortcomings of the prior art, the invention provides a kind of casing head being convenient for changing, possess and be convenient for changing,
The problem of casing head solved in the market is inconvenient to change.
（Two）Technical scheme
To realize purpose that above-mentioned casing head is convenient for changing, the present invention provides following technical scheme：A kind of sleeve pipe being convenient for changing
Be provided with casing head gland at the top and bottom of head, including casing coupling, described sleeve pipe box cupling, described sleeve pipe head gland it is interior
Portion is installed with casing joint, and the inwall of described sleeve pipe joint is installed with two relative limited blocks, described two limits
Two ends of the block relative side in position respectively with T-shaped support bar are fixedly connected, and are leaned on inside described sleeve pipe joint and positioned at limited block
The side of nearly casing coupling is provided with the screen pack run through one end in the middle part of screen pack, the T-shaped support bar and extends to sleeve pipe
Restraining position ring block is fixedly mounted close to one end of casing coupling in box cupling, the T-shaped support bar, and the spacing ring is close to casing coupling
Side is arranged with taper and blocked up block, and spring is arranged with the T-shaped support bar, and the side of described sleeve pipe head gland is arranged with rubber
Sealing ring, described sleeve pipe head gland is installed with circular orientation block close to the side of casing coupling, and described sleeve pipe box cupling is close
The side of casing head gland is offered to be all provided with the top and bottom of annular positioning groove corresponding with circular orientation block, described sleeve pipe box cupling
It is equipped with the screwed hole offered at the top of rubber sheet gasketing, described sleeve pipe head gland using casing joint as symmetry axis, the set
The screw top of tube head gland is connected with the bolt through screwed hole, and the top and bottom of described sleeve pipe box cupling are offered and spiral shell
The corresponding thread groove of pit, the inside of described sleeve pipe box cupling is offered in casing coupling hole, described sleeve pipe box cupling hole inwall
Portion is installed with two or so relative positioning blocks, the inside in described sleeve pipe box cupling hole and the top and bottom for being located at locating piece
Screen pack is provided with, two relative sides of the locating piece are fixedly connected with the connecting rod, and two connecting rods are relative
One end be installed with and push pin.
It is preferred that, the one end of described sleeve pipe joint away from casing coupling is run through and extends casing head gland.
It is preferred that, two described sleeve pipe head glands are symmetrical using the horizontal median axis of casing coupling as symmetry axis.
It is preferred that, the spring one end is fixedly mounted on T-shaped support bar, and the spring other end is fixedly mounted on taper
Block up on the top of block.
It is preferred that, the shape of the limited block, locating piece and rubber sheet gasketing is in annular shape.
It is preferred that, described sleeve pipe head gland connects by bolt-through screwed hole and with the thread groove screw thread on casing coupling
Connect.
It is preferred that, it is described to push pin through screen pack and extend casing coupling mouthful.
It is preferred that, the rubber sheet gasketing diameter is less than the diameter of annular positioning groove.
（Three）Beneficial effect
Compared with prior art, the invention provides a kind of casing head being convenient for changing, possesses following beneficial effect：
1st, the casing head being convenient for changing, by way of bolt positioning and internal leakproof, is convenient for changing all parts, can be with
Effective carry out scene is changed, simple to operate, effectively raises packaging efficiency.
2nd, casing head being convenient for changing, by way of bolt positioning and internal leakproof, when changing, in each interface
Portion is provided with leak-proof device, reduces the outflow of liquid, effectively raises the efficiency of replacing, all parts are using special
Equipment is processed, it is ensured that all parts dimensionally stable, is that product installation standardization creates condition, replacement cost is greatly dropped
It is low.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is A schematic enlarged-scale views in Fig. 1 of the present invention；
Fig. 3 is structure top view of the present invention.
In figure：1 casing head gland, 2 casing joints, 3 limited blocks, 4 bolts, 5 screwed holes, 6 thread grooves, 7 casing couplings, 8
Rubber seal, 9 springs, 10 connecting rods, 11 locating pieces, 12 T-shaped support bars, 13 tapers are blocked up block, 14 circular orientation blocks, 15
Annular positioning groove, 16 rubber sheet gasketings, 17 screen packs, 18 casing coupling holes, 19 push pin, 20 spacing rings.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1-3, a kind of casing head being convenient for changing, including casing coupling 7, the top and bottom of casing coupling 7
Casing head gland 1 is provided with, the inside of casing head gland 1 is installed with casing joint 2, and casing joint 2 connects away from sleeve pipe
One end of hoop 7 is run through and extends casing head gland 1, and the inwall of casing joint 2 is installed with two relative limited blocks 3,
Two ends of the relative side of two limited blocks 3 respectively with T-shaped support bar 12 are fixedly connected, inside casing joint 2 and positioned at limit
Position block 3 is provided with the screen pack 17 run through one end in the middle part of screen pack 17, T-shaped support bar 12 close to the side of casing coupling 7 simultaneously
Casing coupling 7 is extended to, restraining position ring block 20 is fixedly mounted close to one end of casing coupling 7 in T-shaped support bar 12, and spacing ring 20 is close
The side of casing coupling 7 is arranged with taper and blocked up block 13, and spring 9 is arranged with T-shaped support bar 12, and the one end of spring 9 is fixedly mounted
On T-shaped support bar 12, the other end of spring 9 be fixedly mounted on taper block up block 13 top on, the side of casing head gland 1 set
Provided with rubber seal 8, casing head gland 1 is installed with circular orientation block 14, casing coupling close to the side of casing coupling 7
7 offer annular positioning groove 15 corresponding with circular orientation block 14 close to the side of casing head gland 1, the top of casing coupling 7 and
Bottom is provided with rubber sheet gasketing 16, and the diameter of rubber sheet gasketing 16 is less than the diameter of annular positioning groove 15, casing head pressure
The top of lid 1 offers the screwed hole 5 for symmetry axis with casing joint 2, and the screw top of casing head gland 1 is connected with through spiral shell
The bolt 4 of pit 5, the top and bottom of casing coupling 7 offer the thread groove 6 corresponding with screwed hole 5, casing head gland
1 is threadedly coupled through screwed hole 5 and with the thread groove 6 on casing coupling 7 by bolt 4, and the inside of casing coupling 7 offers set
Pipe box cupling hole 18, two casing head glands 1 are symmetrical using the horizontal median axis of casing coupling 7 as symmetry axis, casing coupling hole
It is installed with two or so relative positioning blocks 11 in the middle part of 18 inwalls, the inside in casing coupling hole 18 and positioned at locating piece 11
Top and bottom be provided with screen pack 17, the relative side of two locating pieces 11 is fixedly connected with connecting rod 10, two
The relative one end of connecting rod 10, which is installed with, pushes pin 19, pushes pin and 19 through screen pack 17 and extends 7 mouthfuls of casing coupling, limits
The shape of position block 3, locating piece 11 and rubber sheet gasketing 16 is in annular shape.
Operation principle：When in use, the top and bottom of casing coupling 7 extend into spiral shell by bolt 4 through screwed hole 5
6 sets of groove is threadedly coupled with tube head gland 1, when casing coupling 7 is extruded by casing head gland 1, and 19 promotion tapers of pushing pin are blocked up
Buccal mass 13 moves casing head insertion to screen pack 17.
In summary, the top and bottom of casing coupling 7 are provided with casing head gland 1, and the inside of casing head gland 1 is consolidated
Dingan County is equipped with casing joint 2, and the inwall of casing joint 2 is installed with two relative limited blocks 3, and two limited blocks 3 are relative
Two ends of the side respectively with T-shaped support bar 12 be fixedly connected, the inside of casing joint 2 and connect positioned at limited block 3 close to sleeve pipe
The side of hoop 7 is provided with screen pack 17, and restraining position ring block 20 is fixedly mounted close to one end of casing coupling 7 in T-shaped support bar 12, spacing
Ring 20 is arranged with taper close to the side of casing coupling 7 and blocked up block 13, and spring 9, casing head gland are arranged with T-shaped support bar 12
1 side is arranged with rubber seal 8, when casing head is changed, and pushes pin 19 in not stressing, taper blocks up block 13 by bullet
The elastic force of spring 9 blocks rapidly outlet, more facilitates when having reached replacing casing head, liquid will not be spilt, the set being convenient for changing
Tube head, by way of bolt positioning and internal leakproof, is convenient for changing all parts, effectively can change at the scene of progress,
It is simple to operate, packaging efficiency is effectively raised, when changing, each interface internal is provided with leak-proof device, reduces
The outflow of liquid, effectively raises the efficiency of replacing, and all parts are processed using special equipment, it is ensured that all parts
Dimensionally stable, is that product installation standardization creates condition, is greatly lowered replacement cost.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of casing head being convenient for changing, including casing coupling（7）, it is characterised in that：Described sleeve pipe box cupling（7）Top and
Bottom is provided with casing head gland（1）, described sleeve pipe head gland（1）Inside be installed with casing joint（2）, the set
Pipe joint（2）Inwall be installed with two relative limited blocks（3）, two limited blocks（3）Relative side respectively with T-shaped
Support bar（12）Two ends be fixedly connected, described sleeve pipe joint（2）It is internal and positioned at limited block（3）Close to casing coupling（7）
Side be provided with screen pack（17）, the T-shaped support bar（12）The screen pack that the one end at middle part is run through（17）And extend to set
Pipe box cupling（7）, the T-shaped support bar（12）Close to casing coupling（7）One end be fixedly mounted restraining position ring block（20）, it is described spacing
Ring（20）Close to casing coupling（7）Side be arranged with taper and block up block（13）, the T-shaped support bar（12）On be arranged with spring
（9）, described sleeve pipe head gland（1）Side be arranged with rubber seal（8）, described sleeve pipe head gland（1）Close to casing coupling
（7）Side be installed with circular orientation block（14）, described sleeve pipe box cupling（7）Close to casing head gland（1）Side open up
Have and circular orientation block（14）Corresponding annular positioning groove（15）, described sleeve pipe box cupling（7）Top and bottom are provided with rubber
Gasket seal（16）, described sleeve pipe head gland（1）Top offer with casing joint（2）For the screwed hole of symmetry axis（5）, institute
State casing head gland（1）Screw top be connected with through screwed hole（5）Bolt（4）, described sleeve pipe box cupling（7）Top and
Bottom is offered and screwed hole（5）Corresponding thread groove（6）, described sleeve pipe box cupling（7）Inside offer casing coupling
Hole（18）, described sleeve pipe box cupling hole（18）Two or so relative positioning blocks are installed with the middle part of inwall（11）, described sleeve pipe
Box cupling hole（18）Inside and positioned at locating piece（11）Top and bottom be provided with screen pack（17）, two positioning
Block（11）Relative side is and connecting rod（10）It is fixedly connected, two connecting rods（10）Relative one end is fixedly mounted
Push pin（19）.
2. a kind of casing head being convenient for changing according to claim 1, it is characterised in that：Described sleeve pipe joint（2）It is remote
Casing coupling（7）One end run through and extend casing head gland（1）.
3. a kind of casing head being convenient for changing according to claim 1, it is characterised in that：Two described sleeve pipe head glands
（1）With casing coupling（7）Horizontal median axis for symmetry axis it is symmetrical.
4. a kind of casing head being convenient for changing according to claim 1, it is characterised in that the spring（9）One end and T
Shape support bar（12）It is fixedly connected, spring（9）The other end and taper block up block（13）It is fixedly connected.
5. a kind of casing head being convenient for changing according to claim 1, it is characterised in that：The limited block（3）, locating piece
（11）And rubber sheet gasketing（16）Shape in annular shape.
6. a kind of casing head being convenient for changing according to claim 1, it is characterised in that：Described sleeve pipe head gland（1）It is logical
Cross bolt（4）Through screwed hole（5）And and casing coupling（7）On thread groove（6）Threaded connection.
7. a kind of casing head being convenient for changing according to claim 1, it is characterised in that：The rubber sheet gasketing（16）
Diameter is less than annular positioning groove（15）Diameter.
8. a kind of casing head being convenient for changing according to claim 1, it is characterised in that：It is described to push pin（19）Through filtering
Net（17）And extend casing coupling（7）Mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628445.8A CN107201886A (en) | 2017-07-28 | 2017-07-28 | A kind of casing head being convenient for changing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628445.8A CN107201886A (en) | 2017-07-28 | 2017-07-28 | A kind of casing head being convenient for changing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107201886A true CN107201886A (en) | 2017-09-26 |
Family
ID=59911389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710628445.8A Withdrawn CN107201886A (en) | 2017-07-28 | 2017-07-28 | A kind of casing head being convenient for changing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107201886A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724096A (en) * | 2019-02-22 | 2019-05-07 | 南通港华锅炉有限公司 | A kind of heating hot water boiler exhaust pipe being convenient for changing |
| CN111408184A (en) * | 2020-03-30 | 2020-07-14 | 吕梁学院 | Filter plate replacing mechanism of filter device for water pollution control |
| CN114607299A (en) * | 2020-12-09 | 2022-06-10 | 中国石油天然气股份有限公司 | Sleeve fixing device |
-
2017
- 2017-07-28 CN CN201710628445.8A patent/CN107201886A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724096A (en) * | 2019-02-22 | 2019-05-07 | 南通港华锅炉有限公司 | A kind of heating hot water boiler exhaust pipe being convenient for changing |
| CN109724096B (en) * | 2019-02-22 | 2023-10-17 | 南通港华锅炉有限公司 | Exhaust pipe convenient to replace for heating hot water boiler |
| CN111408184A (en) * | 2020-03-30 | 2020-07-14 | 吕梁学院 | Filter plate replacing mechanism of filter device for water pollution control |
| CN114607299A (en) * | 2020-12-09 | 2022-06-10 | 中国石油天然气股份有限公司 | Sleeve fixing device |
| CN114607299B (en) * | 2020-12-09 | 2023-09-26 | 中国石油天然气股份有限公司 | Casing pipe fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170926 |
|
| WW01 | Invention patent application withdrawn after publication |