CN109322634A - A kind of fixed device of well mouth of oil well - Google Patents
A kind of fixed device of well mouth of oil well Download PDFInfo
- Publication number
- CN109322634A CN109322634A CN201710643169.2A CN201710643169A CN109322634A CN 109322634 A CN109322634 A CN 109322634A CN 201710643169 A CN201710643169 A CN 201710643169A CN 109322634 A CN109322634 A CN 109322634A
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- Prior art keywords
- fixed plate
- closing piece
- hole
- connection component
- open slot
- Prior art date
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- 239000003129 oil well Substances 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 claims abstract description 31
- 238000003475 lamination Methods 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 241000233855 Orchidaceae Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002002 slurry Substances 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
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)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of fixed devices of well mouth of oil well, belong to oilfield machinery field.The device includes: multiple fixed plates of lamination setting, multiple closing pieces, multiple first connection components, multiple second connection components；The open slot for running through up and down and be used to accommodate production string is provided in fixed plate, closing piece removably blocks the port of open slot；The lower end and upper end of first connection component are separately connected the first flange of multiple fixed plates, big four bottom；The top and bottom of second connection component are separately connected multiple fixed plates, the second flange on surface pipe.The device prevents the effect altered on well mouth of oil well good, avoids security risk caused by altering on well mouth of oil well and additional cost payout.
Description
Technical field
The present invention relates to oilfield machinery field, in particular to a kind of fixed device of well mouth of oil well.
Background technique
In oilfield process, since the temperature on stratum, pressure change and well cementation such as are not thorough at the factors, easily make oil reservoir
Casing is altered on occurring, and then makes to connect and be located at the upper end on the devices such as big four, the production tree of well mouth of oil well or component
It alters, referred to as " being altered on well mouth of oil well ".It is altered on well mouth of oil well and will lead to oil pipe pipeline (such as production string, sucker rod) drawing crack, also
The sealing device (such as packing box) of well mouth of oil well is worn, this will cause oil gas to reveal, and then cause fire, environmental pollution etc.
Safety problem.Also, when carrying out oil extraction operation, need to break oil pipe pipeline, occur eccentric wear sucker rod and
Packing box finishing, this seriously affects operating efficiency.Based on above-mentioned it is found that it is very necessary for providing a kind of fixed device of well mouth of oil well
's.
The prior art is using more iron wires as the fixed device of well mouth of oil well, in well mouth of oil well, the upper end of production string
It is connect with big four, big four bottom is provided with flange, and the upper end of big four is connect with production tree.In fixed well mouth of oil well,
By the way that more iron wires are wrapped on big four and production tree, and with other operating equipments for being arranged in beside well mouth of oil well
(such as pumping unit) is fixed, to prevent from altering on well mouth of oil well.
The inventor finds that the existing technology has at least the following problems:
After the prior art is using the fixed well mouth of oil well of iron wire, when altering on well mouth of oil well, iron wire is easy to be pulled off, fixing oil
The effect of well well head is poor.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that the oil that the effect for providing a kind of fixed well mouth of oil well is good
Well well head fixes device.Specific technical solution is as follows:
The embodiment of the invention provides a kind of fixed device of well mouth of oil well, described device includes: the multiple solid of lamination setting
Fixed board, multiple closing pieces, multiple first connection components, multiple second connection components；
The open slot for running through up and down and be used to accommodate production string is provided in the fixed plate, the closing piece is removably
Block the side port of the open slot；
The lower end and upper end of first connection component are separately connected multiple fixed plates, the first method of big four bottom
It is blue；
The top and bottom of second connection component are separately connected multiple fixed plates, the second method on surface pipe
It is blue.
Specifically, preferably, the fixed plate is in disk-shaped structure；
The open slot radially extends to the center point from the fixed plate outer peripheral edge.
Specifically, preferably, the open slot includes: sequentially connected first semi-circular groove and strip groove；
The closing piece is in a plate structure, and one end is provided with the second semi-circular groove；
When the closing piece blocks in the open slot, second semi-circular groove and first semi-circular groove cooperate
Form the cylindrical through slot for accommodating the production string.
Specifically, preferably, the open slot in the two neighboring fixed plate is staggered.
Specifically, preferably, being in 30 ° between the central axes of two open slots in the two neighboring fixed plate
~180 ° of angle.
Specifically, preferably, the fixed plate being located on the same floor and the closing piece constitute a unit；
The closing piece in unit described in top layer passes through multiple screws and the institute in unit described in adjacent lower
State fixed plate connection；
The closing piece in remaining each described unit passes through multiple screws and the institute in unit described in adjacent upper
State fixed plate connection.
Specifically, preferably, being provided with multiple first fixation holes and multiple second in the fixed plate, the closing piece
Fixation hole；
First fixation hole is connect with the lower end of first connection component；
Second fixation hole is connect with the upper end of second connection component.
Specifically, preferably, multiple second fixation holes include multiple cylindrical holes and waist-shaped hole；
The cylindrical hole and the circumferentially alternating setting of the waist-shaped hole are in the fixed plate；
The long side of the waist-shaped hole is parallel with the outer rim of the fixed plate.
Specifically, preferably, two neighboring through-hole of the waist-shaped hole in the second flange.
Specifically, preferably, first connection component includes: the first bolt and two the first nuts；
The both ends of first bolt are each passed through the through-hole in first fixation hole and the first flange, and respectively
Use two first nut checks；
Second connection component includes: the second bolt and two the second nuts；
The both ends of second bolt are each passed through the through-hole in second fixation hole and the second flange, and respectively
Use two second nut checks.
Technical solution provided in an embodiment of the present invention has the benefit that
The fixed device of well mouth of oil well provided in an embodiment of the present invention, by being arranged in fixed plate for accommodating production string
Open slot, and the closing piece of open slot port is removably blocked, convenient for making fixed plate and closing piece engagement sleeves mounted in oil reservoir set
Guan Shang.Multiple fixed plates and big four, Duo Gegu are separately connected by multiple first connection components and multiple second connection components
Big four is connect by fixed board and surface pipe with surface pipe, and then prevents big four with altering on production string, is avoided
It is altered on well mouth of oil well.By be arranged lamination multiple fixed plates and multiple closing pieces, and cooperate multiple first connection components and multiple
Second connection component makes the fixation device steadily fix well mouth of oil well.As it can be seen that fixed device provided in an embodiment of the present invention is anti-
The effect only altered on well mouth of oil well is good, avoids security risk caused by altering on well mouth of oil well and additional cost payout.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of the fixed device of well mouth of oil well provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of fixed plate provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of closing piece provided in an embodiment of the present invention.
Wherein, appended drawing reference respectively indicates:
1 fixed plate,
101 open slots,
1011 first semi-circular grooves,
1012 strip grooves,
102 first fixation holes,
103 second fixation holes,
2 closing pieces,
201 second semi-circular grooves,
3 first connection components,
301 first bolts,
302 first nuts,
4 second connection components,
401 second bolts,
402 second nuts,
5 first flanges,
6 second flanges,
7 production strings.
Specific embodiment
Unless otherwise defined, all technical terms used in the embodiment of the present invention all have usual with those skilled in the art
The identical meaning understood.
It should be noted that surface pipe is one section of casing being sleeved on outside production string, be located at well mouth of oil well stratum with
Under, it is fixed by cement slurry and the borehole wall, upper end is provided with large flange, i.e. second flange described in file, to cooperate well workover to make
Industry or drillng operation.The upper end of production string is connect with big four, and production string is easy to drive in big four generation and alter, surface layer
Casing is not susceptible to alter.
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiment of the invention provides a kind of fixed devices of well mouth of oil well, and as shown in Fig. 1, which includes: that lamination is set
Multiple fixed plates 1 for setting, multiple closing pieces 2, multiple first connection components 3, multiple second connection components 4；As shown in Fig. 2, Gu
The open slot 101 for running through up and down and be used to accommodate production string 7 is provided on fixed board 1, closing piece 2 removably blocks open slot
101 side port；The lower end and upper end of first connection component 3 are separately connected multiple fixed plates 1, the first method of big four bottom
Orchid 5；The top and bottom of second connection component 4 are separately connected multiple fixed plates 1, the second flange 6 on surface pipe.
It should be noted that lamination, which is set as multiple fixed plates 1, from top to bottom mutually stacks setting.
The working principle with regard to the fixed device of well mouth of oil well provided in an embodiment of the present invention, which is given, below describes:
In the application fixation device, the open slot 101 in multiple fixed plates 1 for placing lamination is sleeved on positioned at big by four
On the logical production string 7 between surface pipe, and multiple closing pieces 2 is made to distinguish the end for removably blocking open slot 101, with
It is set in production string 7 in open slot 101.Then by the lower end of each first connection component 3 and upper end respectively with it is multiple solid
Fixed board 1, big four bottom first flange 5 connect, by the top and bottom of each second connection component 4 respectively with multiple fixations
Second flange 6 on plate 1, surface pipe connects, and is all connected with to multiple first connection components 3 and multiple second connection components 4
Afterwards, which installs.
When altering trend on production string 7 has, since big four is connect by the fixation device with surface pipe, and surface layer
Casing is altered on not occurring, thus big four force production string 7 not on alter, the device for other well mouth of oil well being connect with big four
Or component, such as production tree, well mouth of oil well sealing device etc. will not occur on alter, so being avoided using the fixation device
The problems such as oil pipe pipeline rupture, sealing device (such as packing box) abrasion, oil gas leakage of initiation are altered on well mouth of oil well.
The fixed device of well mouth of oil well provided in an embodiment of the present invention, by being arranged in fixed plate 1 for accommodating oil reservoir set
The open slot 101 of pipe 7, and the closing piece 2 of 101 port of open slot is removably blocked, convenient for cooperating fixed plate 1 and closing piece 2
It is sleeved on production string 7.Multiple fixed plates 1 are separately connected by multiple first connection components 3 and multiple second connection components 4
With big four, multiple fixed plates 1 and surface pipe, big four is connect with surface pipe, and then prevents big four with oil
It is altered on layer casing 7, avoids and altered on well mouth of oil well.By the way that the multiple fixed plates 1 and multiple closing pieces 2 of lamination are arranged, and cooperate more
A first connection component 3 and multiple second connection components 4 make the fixation device steadily fix well mouth of oil well.As it can be seen that of the invention
The fixation device that embodiment provides prevents the effect altered on well mouth of oil well good, avoids security risk caused by altering on well mouth of oil well
With additional cost payout.
Fixed plate 1 can be set to various structures, such as square plate, circular slab or other irregular plate structures.
Under the premise of based on setting is easy, as shown in Fig. 2, fixed plate 1 is in disk-shaped structure；Open slot 101 is along diameter
The center point is extended to 1 outer peripheral edge of direction self-retaining plate.
Open slot 101 is arranged such, so that production string 7 is set in the middle part of fixed plate 1, and then be convenient for fixed plate 1
It is steadily connect with the first connection component 3, the second connection component 4.
Specifically, open slot 101 and closing piece 2 can be set to various structures, based on structure it is simple, reduce manufacture at
Under the premise of this, as shown in Fig. 2, open slot 101 includes: sequentially connected first semi-circular groove 1011 and strip groove 1012.
As shown in Fig. 3, closing piece 2 is in a plate structure, and one end is provided with the second semi-circular groove 201；When closing piece 2 blocks
When in open slot 101, the second semi-circular groove 201 and the first semi-circular groove 1011 cooperatively form the circle for accommodating production string 7
Cylindricality through slot.
The structure of open slot 101 and closing piece 2 is arranged such, convenient for make after 2 insertion opening slot 101 of closing piece with open slot 101
The cylindrical through slot for accommodating production string 7 is formed, to play limit and protective effect to production string 7.
In order to have the characteristics that beauty after cooperating closing piece 2 and open slot 101, and avoid the scuffing operator of closing piece 2
Finger, the other end of closing piece 2 is set as the arcuate structure with the outer rim rounding off of fixed plate 1.
Multiple fixed plates 1 and multiple closing pieces 2 in order to facilitate the installation of, and make multiple fixed plates 1 and the first connection component 3,
It is stably connected between second connection component 4, two open slots 101 in two neighboring fixed plate 1 are staggered.
It specifically, is in 30 °~180 ° of angle between the central axes of two open slots 101 in two neighboring fixed plate 1,
It such as can be 30 °, 50 °, 70 °, 90 °, 110 °, 130 °, 150 °, 180 ° etc..
" central axes " are the symmetrical bisector of open slot 101.
Closing piece 2 removably blocks there are many modes of the port of open slot 101, before based on easy setting and dismounting
It puts, three kinds of examples is given below:
As the first example: the fixed plate 1 and closing piece 2 being located on the same floor constitute a unit；In top layer unit
Closing piece 2 by multiple screws be located at adjacent lower unit in fixed plate 1 connect；Closing piece 2 in remaining each unit is logical
Multiple screws are crossed to connect with the adjacent fixed plate 1 in upper unit.
" remaining each unit " is other units other than being located at the unit of top layer.
It is simple by the way of the fixed closing piece 2 of screw, convenient for making closing piece 2 removably block the port of open slot 101.And
And after closing piece 2 and adjacent upper layer or lower layer's fixed plate 1 are fixed, the two forms annular plate, is sleeved in order to control
Multiple annular plates on production string 7 are connect with the first connection component 3, the second connection component 4.
As second of example: being provided with multiple first fixation holes 102 and multiple second in fixed plate 1, closing piece 2 and fix
Hole 103；First fixation hole 102 is connect with the lower end of the first connection component 3；Second fixation hole 103 is upper with the second connection component 4
End connection.
During installation, it is placed in second flange 6 by the multiple fixed plates 1 and multiple closing pieces 2 of placing lamination, then
By multiple fixed plates 1 of lamination, 102 consistency from top to bottom of the first fixation hole of multiple closing pieces 2,103 consistency from top to bottom of the second fixation hole, lead to
It crosses and respectively connects the first fixation hole 102 of the lower end of the first connection component 3 and consistency from top to bottom, upper end is connect with first flange 5,
The upper end of second connection component 4 and the second fixation hole 103 of consistency from top to bottom connect, and lower end is connect with second flange 6, are fixing this
While the device that inventive embodiments provide, closing piece 2 is made removably to have blocked the port of the open slot 101 of fixed plate 1.
As the third example: being provided with multiple first fixation holes 102 and multiple second in fixed plate 1, closing piece 2 and fix
Hole 103；First fixation hole 102 is connect with the lower end of the first connection component 3；Second fixation hole 103 is upper with the second connection component 4
End connection, and fixed between the wall of 101 two sides of closing piece 2 and open slot by frictional force.
By by 2 insertion opening slot 101 of closing piece, then by multiple fixed plates 1 of lamination, multiple closing pieces 2 it is first fixed
102 consistency from top to bottom of hole, 103 consistency from top to bottom of the second fixation hole, and use the lower end of the first connection component 3, the second connection component 4
Upper end connect with multiple first fixation holes 102, the second fixation hole 103 being aligned respectively, and then is removably attached to closing piece 2
In open slot 101.
When the second connection component 4 is connect with multiple fixed plates 1, multiple closing pieces 2 for convenience, multiple second fixation holes 103
To just, as shown in attached drawing 2 and attached drawing 3, multiple second fixation holes 103 include multiple cylindrical holes and waist-shaped hole；Cylindrical hole and
Waist-shaped hole is circumferentially alternating to be arranged in fixed plate 1；The long side of waist-shaped hole and the outer rim of fixed plate are parallel, referring to attached drawing 2.
It is aligned for the ease of adjusting multiple second fixation holes 103 with the through-hole in second flange 6, waist-shaped hole is across the second method
Two neighboring through-hole on orchid 6.
Be arranged such waist-shaped hole length, convenient for the second connection component 4 upper end penetrate waist-shaped hole after, from the one of waist-shaped hole
When a end is moved to the other end, it can be aligned, be moved to and another through-hole pair by a through-hole with second flange 6
Together.
In the present invention, the first connection component 3 and the second connection component 4 can be set to diversified forms, with the first connection
For component 3, the first connection component 3 can be strip board, and the both ends of strip board are respectively arranged with hook, and be hung in the
In through-hole on one fixation hole 102 and first flange 5.First connection component 3 can also be bolt assembly.
It is being easy to be arranged, under the premise of save the cost, as shown in Fig. 1, the first connection component 3 includes: the first bolt
301 and two the first nuts 302；The both ends of first bolt 301 are each passed through in the first fixation hole 102 and first flange 5
Through-hole, and locked respectively using two the first nuts 302.
Second connection component 4 includes: the second bolt 401 and two the second nuts 402；The both ends of second bolt 401 point
Not Chuan Guo through-hole on the second fixation hole 103 and second flange 6, and locked respectively using two the second nuts 402.
After first bolt 301 passes through the first fixation hole 102 of consistency from top to bottom, the first bolt is locked by the first nut 302
301 lower end, and the first nut 302 and the bottom wall of the fixed plate 1 and closing piece 2 that are located at bottom offset, the first bolt 301
Upper end penetrates the through-hole of first flange 5, is locked by another the first nut 302, and offset with the roof of first flange 5.Together
Reason after the second bolt 401 passes through the second fixation hole 103 of consistency from top to bottom, locks the second bolt 401 by the second nut 402
Upper end, and offset with the roof of the fixed plate 1 and closing piece 2 that are located at top layer, the lower end of the second bolt 401 penetrates second flange 6
Through-hole, locked, and offseted with the bottom wall of second flange 6 by another the second nut 402.
It is bonded for the ease of fixed plate 1 and the first connection component 3, the second connection component 4, the first fixation hole 102,
Be provided with internal screw thread on the inner wall of second fixation hole 103, with respectively with the outer spiral shell on the first bolt 301 and the second bolt 401
Line matches.
And bolt assembly is set by the first connection component 3 and the second connection component 4, by adjusting two spiral shells on bolt
Spacing between mother, thus it is possible to vary the spacing between a part of first flange 5 and a part of second flange 6, by oil well
The devices such as the production string 7 of well head, big four, production tree or component levelling, and then prevent sucker rod partial wear packing box.
It is being based on being easy setting, save the cost, and is guaranteeing under the premise of being stably connected with, the number of fixed plate 1 and closing piece 2
It is two.
For ease of description, the fixed plate 1 for being located at top layer and closing piece 2 are referred to as the first fixed plate 1, the first closing piece 2,
The second fixed plate 1, the second closing piece 2 are referred to as positioned at the fixed plate 1 and closing piece 2 of bottom.
The first fixed plate 1 is steadily supported for the ease of the second fixed plate 1, the thickness of the second fixed plate 1 is more fixed than first
Plate 1 is thick.For example, the first fixed plate 1 with a thickness of 15~25mm, such as can be 15mm, 17mm, 19mm, 22mm, 25mm
It Deng, the second fixed plate 1 with a thickness of 26~35mm, such as can be 26mm, 27mm, 31mm, 33mm, 35mm etc..
In embodiments of the present invention, fixed plate 1, the material of closing piece 2 are 45# steel, and the hardness of 45# steel is not high convenient for cutting
Processing, can bear biggish load, cheap, can satisfy the service performance of the fixed device of well mouth of oil well.
The foregoing is merely presently preferred embodiments of the present invention, the protection scope being not intended to limit the invention, all in this hair
Within bright spirit and principle, any modification, equivalent replacement, improvement and so on should be included in protection scope of the present invention
Within.
Claims (10)
1. a kind of fixed device of well mouth of oil well, which is characterized in that described device includes: multiple fixed plates (1), more of lamination setting
A closing piece (2), multiple first connection components (3), multiple second connection components (4)；
The open slot (101) for running through up and down and be used to accommodate production string (7), the closing piece are provided on the fixed plate (1)
(2) side port of the open slot (101) is removably blocked；
The lower end and upper end of first connection component (3) be separately connected multiple fixed plates (1), big four bottom first
Flange (5)；
The top and bottom of second connection component (4) are separately connected multiple fixed plates (1), second on surface pipe
Flange (6).
2. the apparatus according to claim 1, which is characterized in that the fixed plate (1) is in disk-shaped structure；
The open slot (101) radially extends to the center point from the fixed plate (1) outer peripheral edge.
3. the apparatus of claim 2, which is characterized in that the open slot (101) includes: sequentially connected the first half
Circular trough (1011) and strip groove (1012)；
The closing piece (2) is in a plate structure, and one end is provided with the second semi-circular groove (201)；
When the closing piece (2) are blocked when the open slot (101) is interior, second semi-circular groove (201) and described the first half
Circular trough (1011) cooperatively forms the cylindrical through slot for accommodating the production string (7).
4. device according to claim 3, which is characterized in that the open slot on the two neighboring fixed plate (1)
(101) it is staggered.
5. device according to claim 4, which is characterized in that opened described in two on the two neighboring fixed plate (1)
It is in 30 °~180 ° of angle between the central axes of mouth slot (101).
6. device according to claim 4, which is characterized in that the fixed plate (1) being located on the same floor and the closing piece
(2) unit is constituted；
The closing piece (2) in unit described in top layer by multiple screws with it is described in unit described in adjacent lower
Fixed plate (1) connection；
The closing piece (2) in remaining each described unit by multiple screws with it is described in unit described in adjacent upper
Fixed plate (1) connection.
7. the apparatus according to claim 1, which is characterized in that the fixed plate (1), the closing piece are provided on (2)
Multiple first fixation holes (102) and multiple second fixation holes (103)；
First fixation hole (102) connect with the lower end of first connection component (3)；
Second fixation hole (103) connect with the upper end of second connection component (4).
8. device according to claim 7, which is characterized in that multiple second fixation holes (103) include multiple cylinders
Shape hole and waist-shaped hole；
The cylindrical hole and the circumferentially alternating setting of the waist-shaped hole are on the fixed plate (1)；
The long side of the waist-shaped hole is parallel with the outer rim of the fixed plate (1).
9. device according to claim 8, which is characterized in that phase of the waist-shaped hole on the second flange (6)
Adjacent two through-holes.
10. device according to claim 7, which is characterized in that first connection component (3) includes: the first bolt
(301) and two the first nuts (302)；
The both ends of first bolt (301) are each passed through logical on first fixation hole (102) and the first flange (5)
Hole, and locked respectively using two first nuts (302)；
Second connection component (4) includes: the second bolt (401) and two the second nuts (402)；
The both ends of second bolt (401) are each passed through logical on second fixation hole (103) and the second flange (6)
Hole, and locked respectively using two second nuts (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643169.2A CN109322634B (en) | 2017-07-31 | 2017-07-31 | Oil well wellhead fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643169.2A CN109322634B (en) | 2017-07-31 | 2017-07-31 | Oil well wellhead fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109322634A true CN109322634A (en) | 2019-02-12 |
| CN109322634B CN109322634B (en) | 2021-01-01 |
Family
ID=65245084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710643169.2A Active CN109322634B (en) | 2017-07-31 | 2017-07-31 | Oil well wellhead fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109322634B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123751A (en) * | 2021-06-16 | 2021-07-16 | 东营政阳自动化科技有限公司 | Thermal recovery wellhead assembly |
| CN114165184A (en) * | 2021-12-17 | 2022-03-11 | 窑街煤电集团有限公司 | Method for reinforcing coal bed gas fracturing wellhead connecting device |
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| CN113123751A (en) * | 2021-06-16 | 2021-07-16 | 东营政阳自动化科技有限公司 | Thermal recovery wellhead assembly |
| CN113123751B (en) * | 2021-06-16 | 2021-09-17 | 东营市东达机械制造有限责任公司 | Thermal recovery wellhead assembly |
| CN114165184A (en) * | 2021-12-17 | 2022-03-11 | 窑街煤电集团有限公司 | Method for reinforcing coal bed gas fracturing wellhead connecting device |
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|---|---|
| CN109322634B (en) | 2021-01-01 |
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