CN205858211U - Oil well casing lifting device - Google Patents
Oil well casing lifting device Download PDFInfo
- Publication number
- CN205858211U CN205858211U CN201620689826.8U CN201620689826U CN205858211U CN 205858211 U CN205858211 U CN 205858211U CN 201620689826 U CN201620689826 U CN 201620689826U CN 205858211 U CN205858211 U CN 205858211U
- Authority
- CN
- China
- Prior art keywords
- oil well
- well casing
- dish
- flange
- lifting sub
- 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.)
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Links
- 239000003129 oil well Substances 0.000 title claims abstract description 56
- 230000008878 coupling Effects 0.000 claims abstract description 26
- 238000010168 coupling process Methods 0.000 claims abstract description 26
- 238000005859 coupling reaction Methods 0.000 claims abstract description 26
- 230000002787 reinforcement Effects 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses an oil well casing hoisting device belongs to oil field machinery. The device comprises an oil pipe coupling, a lifting short section, a connecting disc, a detachable fixed component and a bottom flange; the oil pipe coupling is sleeved at the upper end of the lifting short section, and the lower end of the lifting short section is vertical and fixed on the upper disc surface of the connecting disc; the connecting disc and the bottom flange are detachably connected through a detachable fixing component; the bottom flange is used for being in threaded connection with an oil well casing to be lifted. The utility model provides an oil well casing lifting device has safe and reliable, convenient operation, time weak point consuming, facilitate promotion's characteristics.
Description
Technical field
This utility model relates to field of petroleum machinery, particularly to a kind of oil well casing lifting device.
Background technology
Oil well casing is the steel pipe for supporting oil-well wall, whole after using oil well casing can ensure smooth drilling well and completion
Individual oil mining operation properly functioning.But during oilfield exploitation, sink due to the earth and other factors make oil well set
Pipe is altered on occurring, and the upper end of the oil well casing after above altering is exposed above oil well mouth, and this just will have a strong impact on oilfield exploitation
Often run.Currently mainly by alter after higher than the oil well casing cutaway of oil well mouth, then use threading tool at oil well set
The tube wall of pipe upper end is got on the bus upper screw thread, and then makes the upper end of oil well casing threaded with end flange.After completing above-mentioned cutting,
Need to cutting after oil well casing promote, to stretch this oil well casing, thus eliminate alter on it to oil-water well produce institute
The impact caused.As can be seen here, it is provided that a kind of device that can promote oil well casing is the most necessary.
Prior art mainly promotes oil well casing by the way of steel wire rope lifts.General by the one ends wound of steel wire rope
In the upper end of oil well casing, the other end is wrapped on workover rig or other hanging devices, then by workover rig or other liftings
Equipment applies power and promotes oil well casing.
Designer finds that prior art at least there is problems in that
The employing steel wire rope lifting that prior art provides promotes the mode of oil well casing and wire cable rupture easily occurs, and exists
Potential safety hazard, simultaneously complex operation, short time consumption is long.
Utility model content
In order to solve problem of the prior art, this utility model embodiment provides a kind of operation safe and reliable, convenient, consumption
Time the time is short, be easy to promote oil well casing lifting device.Described technical scheme is as follows:
This utility model provides a kind of oil well casing lifting device, and described device includes tubing coupling, lifting sub, company
Flange, dismantled and assembled fixation kit, end flange；Described tubing coupling is sleeved on the upper end of described lifting sub, described lifting sub
Lower end vertical and be fixed on the upper disk surface of described connection dish；Described connection dish and flange of the described end are by described dismantled and assembled solid
Determine assembly to removably connect；Flange of the described end is for threadeding with oil well casing to be hoisted.
Specifically, as preferably, the wall thickness of described tubing coupling is 5-12mm.
Specifically, as preferably, described dismantled and assembled fixation kit is bolt and supporting nut；Described connection dish and described
It is provided with the bolt hole of multiple correspondence on end flange, is bolted to described in described bolt hole by described nut.
Specifically, as preferably, the inwall of described tubing coupling is provided with the first female thread, described lifting sub upper
End is provided with the first external screw thread, and described tubing coupling is connected with the threaded upper ends of described lifting sub.
Specifically, as preferably, described connection dish is circular discs, and the lower end of described lifting sub is upper with described circular discs
The center of card removably connects.
Specifically, as preferably, the lower end of described lifting sub is threaded with the center of the described upper disk surface being connected dish.
Specifically, as preferably, the thickness of described connection dish is 4-7cm.
Specifically, as preferably, described device also includes at least two reinforcements, and described reinforcement is obliquely installed, described
The two ends of reinforcement connect with described lifting sub and the described dish that is connected respectively.
Specifically, as preferably, described reinforcement is 30 °-60 ° with the described angle being connected dish.
Specifically, as preferably, flange of the described end includes disk segments and cylindrical section, described disk segments and the described dish that is connected
Lower card contacts, and described cylindrical section is connected with the threaded upper ends of oil well casing.
The technical scheme that this utility model embodiment provides has the benefit that
This utility model provides a kind of oil well casing lifting device, when carrying out oil well casing and promoting operation, first will
End flange in this device is connected with the threaded upper ends of oil well casing, by dismantled and assembled fixation kit by solid to connection dish and end flange
Fixed connection, is then stuck in pipe elevator on lifting sub, and startup hanging device promotes pipe elevator and this utility model carries
The oil well casing lifting device of confession, and then promote oil well casing.Owing to tubing coupling is enclosed within lifting sub, when pipe elevator card
Time on lifting sub, tubing coupling, using as the stop step stoping this pipe elevator to move up, prevents pipe elevator from taking off
Fall.Connected fixing to connection dish and end flange by dismantled and assembled fixation kit, it is simple to removing and installing of connection dish and end flange,
And then be easy to the Reusability of oil well casing lifting device that this utility model provides, and use the dress that this utility model provides
Put and can promote oil well casing at short notice.Visible, this utility model provide oil well casing lifting device have safe and reliable,
Conveniently operate, short time consumption is short, be easy to the feature of popularization.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, required in embodiment being described below
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only realities more of the present utility model
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the structural representation of the oil well casing lifting device that this utility model embodiment provides.
Wherein, reference represents respectively:
1 tubing coupling,
2 lifting subs,
3 connection dishes,
4 dismantled and assembled fixation kits,
401 nuts,
402 bolts,
5 end flanges,
501 disk segments,
502 cylindrical sections,
6 reinforcements,
7 oil well casings.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Type embodiment is described in further detail.
This utility model embodiment provides a kind of oil well casing lifting device, and as shown in Figure 1, this device includes oil pipe
Box cupling 1, lifting sub 2, connection dish 3, dismantled and assembled fixation kit 4, end flange 5；Wherein, tubing coupling 1 is sleeved on lifting sub 2
Upper end, the lower end of lifting sub 2 is vertical and is fixed on the upper disk surface of connection dish 3；Connection dish 3 and end flange 5 are by removable
Dress fixation kit 4 removably connects；End flange 5 is for threadeding with oil well casing 7 to be hoisted.
This utility model provides a kind of oil well casing lifting device, when carrying out oil well casing 7 and promoting operation, first will
End flange 5 in this device is connected with the threaded upper ends of oil well casing 7, by dismantled and assembled fixation kit 4 by connection dish 3 and end method
Blue 5 fixing connections, are then stuck in pipe elevator on lifting sub 2, start hanging device and promote pipe elevator and this practicality
Oil well casing 7 lifting device of novel offer, and then promote oil well casing 7.Owing to tubing coupling 1 is enclosed within lifting sub 2, when
When pipe elevator is stuck on lifting sub 2, tubing coupling 1 is using as the stop step stoping this pipe elevator to move up, anti-
Only pipe elevator comes off.By dismantled and assembled fixation kit 4 by connection dish 3 and the fixing connection of end flange 5, it is simple to connection dish 3 and the end
Removing and installing of flange 5, and then it is easy to the Reusability of oil well casing 7 lifting device that this utility model provides, and adopt
The device provided with this utility model can promote oil well casing 7 at short notice.Visible, that this utility model provides oil well casing
Lifting device has operation safe and reliable, convenient, short time consumption is short, be easy to the feature of popularization.
Specifically, as shown in Figure 1, the inwall of the tubing coupling 1 in the device that this utility model embodiment provides sets
Being equipped with the first female thread, the upper end of lifting sub 2 is provided with the first external screw thread, tubing coupling 1 and the threaded upper ends of lifting sub 2
Connect.The connected mode being arranged such tubing coupling 1 and lifting sub 2 is easy to both remove and install, and is easy to select
The tubing coupling 1 of different wall is arranged on the upper end of lifting sub 2.Wherein, the wall thickness of tubing coupling 1 is 5-12mm, such as may be used
Think 5mm, 5.5mm, 6mm, 6.5mm, 7.5mm, 10mm, 12mm etc..Tubing coupling 1 has above-mentioned wall thickness can be made to be stuck in lifting
Pipe elevator on pipe nipple 2 is stuck in the lower surface of tubing coupling 1, the i.e. lower surface of tubing coupling 1 and defines when moving up
Stoping the stop step that pipe elevator moves up, this is possible to prevent pipe elevator to come off.
Specifically, the connection dish 3 in the device that this utility model embodiment provides is circular discs, the lower end of lifting sub 2
Removably connect with the center of the upper disk surface of circular discs.Connection dish 3 is provided in round dish and is easy to complete with the end face of end flange 5
Laminating, it is ensured that during promoting oil well casing 7, connection dish 3 and end flange 5 stress equalization, and then can ensure that oil well
Sleeve pipe 7 moves up under the effect of steady pulling force.The lower end arranging lifting sub 2 removably connects with the center being connected dish 3,
It is easy to the dismounting of the device that this utility model embodiment provides and carries.As preferably, the lower end of lifting sub 2 be connected dish 3
The center of upper disk surface threaded, select threaded mode to be easy to lifting sub 2 and be connected dish 3 remove and install,
And threaded mode is easily arranged, screw thread dismounting is simple with screwing operation.Wherein, the thickness of connection dish 3 is 4-
7cm, for example, 4cm, 5cm, 6cm, 7cm etc., connection dish 3 has above-mentioned thickness, it is simple at the centrally disposed screw of connection dish 3,
And then it is easy to the lower end of lifting sub 2 with to be connected dish 3 threaded.
Specifically, connection dish 3 and end flange 5 are removably connected by dismantled and assembled fixation kit 4, and this is easy to connection dish 3 He
Removing and installing of end flange 5, and then it is easy to the Reusability of oil well casing 7 lifting device that this utility model provides.Specifically
Ground, dismantled and assembled fixation kit 4 can be the steel wire rope with buckle, with lock reinforcing bar, bolt 402 and supporting nut
401 etc..Wherein, the buckle with the steel wire rope two ends of buckle can be stuck in the upper disk surface of connection dish 3 and end flange 5 times
End, and then connection dish 3 and end flange 5 are connected, the steel wire rope with buckle is dismantled, connection dish 3 and end flange 5 can be torn open
Open.When being provided with through hole on connection dish 3 and end flange 5, the reinforcing bar with lock can be used through connection dish 3 and end flange 5
On through hole and lock, and then connection dish 3 and end flange 5 are fixed, after pulling down the reinforcing bar with lock, can be by connection dish 3 He
End flange 5 is taken apart.As preferably, as shown in Figure 1, dismantled and assembled fixation kit 4 is bolt 402 and supporting nut 401, even
The bolt hole of multiple correspondence can be provided with on flange 3 and end flange 5, by nut 401, bolt 402 is fixed in bolt hole,
Connection dish 3 and end flange 5 can be connected, connection dish 3 and end flange 5 can be taken apart by dismounting nut 401 and bolt 402.
Specifically, the device that this utility model embodiment provides also includes at least two reinforcements 6, and this reinforcement 6 tilts
Arrange, and the two ends of reinforcement 6 respectively with lifting sub 2 and be connected dish 3 and connect.This reality can be made by arranging reinforcement 6
The device provided by new embodiment does not deforms in the case of bearing bigger pulling force or ruptures.As preferably, reinforcement 6
Respectively with lifting sub 2 and be connected dish 3 and be welded to connect, it is welded to connect and can increase reinforcement 6 and lifting sub 2 and be connected dish 3
Attachment force.Wherein, the number of reinforcement 6 can be two, three, four, five etc., can be according to concrete use requirement
Select to arrange different number of reinforcement 6, and need reinforcement 6 is evenly provided on the surrounding of lifting sub 2 and connects
In the card of flange 3, to ensure that the active force of lifting sub 2 and connection dish 3 is equalized by reinforcement 6.Wherein, as shown in Figure 1,
Triangle is may be constructed, the structure of triangle between the reinforcement 6 being obliquely installed and connected lifting sub 2, connection dish 3
The device that this utility model embodiment can be enable to provide bears bigger pulling force effect.In more detail, reinforcement 6 and company
The angle of flange 3 is 30 °-60 °, for example, 30 °, 35 °, 40 °, 45 °, 50 °, 55 °, 60 ° etc., be arranged such reinforcement 6 with even
The angle of flange 3, it is simple to reinforcement 6 plays optimal stiffening effect.
Wherein, the end flange 5 in the device that this utility model embodiment provides includes disk segments 501 and cylindrical section 502, circle
Dish section 501 contacts with the lower card being connected dish 3, and cylindrical section 502 is connected with the threaded upper ends of oil well casing 7, selects this knot
The end flange 5 of structure meets it and can connect with being connected dish 3, can be connected with the threaded upper ends of oil well casing 7, further again
The device that being easy to this utility model embodiment provides drives lifting oil well casing 7 during elevated.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (10)
1. an oil well casing lifting device, it is characterised in that described device includes tubing coupling (1), lifting sub (2), connects
Flange (3), dismantled and assembled fixation kit (4), end flange (5)；
Described tubing coupling (1) is sleeved on the upper end of described lifting sub (2), and the lower end of described lifting sub (2) vertically and is consolidated
It is scheduled on the upper disk surface of described connection dish (3)；
Described connection dish (3) and flange of the described end (5) are removably connected by described dismantled and assembled fixation kit (4)；
Flange of the described end (5), is for threadeding with oil well casing to be hoisted.
Device the most according to claim 1, it is characterised in that the wall thickness of described tubing coupling (1) is 5-12mm.
Device the most according to claim 1, it is characterised in that described dismantled and assembled fixation kit (4) is bolt and supporting
Nut；
The bolt hole of multiple correspondence it is provided with, by described nut by described spiral shell on described connection dish (3) and flange of the described end (5)
Bolt is fixed in described bolt hole.
Device the most according to claim 1, it is characterised in that in being provided with first on the inwall of described tubing coupling (1)
Screw thread, the upper end of described lifting sub (2) is provided with the first external screw thread, described tubing coupling (1) and described lifting sub (2)
Threaded upper ends connects.
Device the most according to claim 1, it is characterised in that described connection dish (3) is circular discs, described lifting sub
(2) lower end removably connects with the center of the upper disk surface of described circular discs.
Device the most according to claim 5, it is characterised in that the lower end of described lifting sub (2) is connected dish (3) with described
The center of upper disk surface threaded.
Device the most according to claim 1, it is characterised in that the thickness of described connection dish (3) is 4-7cm.
Device the most according to claim 1, it is characterised in that described device also includes at least two reinforcements (6), described
Reinforcement (6) is obliquely installed, and the two ends of described reinforcement (6) connect with described lifting sub (2) and the described dish (3) that is connected respectively
Connect.
Device the most according to claim 8, it is characterised in that described reinforcement (6) with the described angle being connected dish (3) is
30°-60°。
Device the most according to claim 1, it is characterised in that flange of the described end (5) includes disk segments and cylindrical section, institute
Stating disk segments to contact with the described lower card being connected dish (3), described cylindrical section is connected with the threaded upper ends of oil well casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620689826.8U CN205858211U (en) | 2016-07-01 | 2016-07-01 | Oil well casing lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620689826.8U CN205858211U (en) | 2016-07-01 | 2016-07-01 | Oil well casing lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205858211U true CN205858211U (en) | 2017-01-04 |
Family
ID=57644401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620689826.8U Active CN205858211U (en) | 2016-07-01 | 2016-07-01 | Oil well casing lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205858211U (en) |
-
2016
- 2016-07-01 CN CN201620689826.8U patent/CN205858211U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |