CN202731799U - Multifunctional casing shaping tool - Google Patents
Multifunctional casing shaping tool Download PDFInfo
- Publication number
- CN202731799U CN202731799U CN201220425832.4U CN201220425832U CN202731799U CN 202731799 U CN202731799 U CN 202731799U CN 201220425832 U CN201220425832 U CN 201220425832U CN 202731799 U CN202731799 U CN 202731799U
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- CN
- China
- Prior art keywords
- cone
- shaping tool
- casing
- adjusting device
- head
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- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a multifunctional casing shaping tool which comprises a cone center shaft (1), a connecting and limiting pressing cap (3), a propelling spring (4) and a cone expansion head (5). The propelling spring (4) is sleeved on the cone center shaft (1), the lower end of the propelling spring (4) and the lower end of the cone center shaft (1) are mounted in the cone expansion head (5) together, and the connecting and limiting pressing cap (3) is connected with the cone expansion head (5) and presses the propelling spring (4). The multifunctional casing shaping tool is characterized by further comprising an adjusting device (2), the adjusting device (2) is in butt joint with the cone center shaft (1), and the lower end of the adjusting device (2) is tightened with the connecting and limiting pressing cap (3). The multifunctional casing shaping tool has the advantages that the multifunctional casing shaping tool is simple in structure, the diameter of a casing can be increased step by step, damage to the casing is reduced, the original size of the casing is basically recovered after the casing is shaped by the multifunctional casing shaping tool, the shaping tool is not limited by the size of the casing when descending into a well, and is safe and reliable, and the construction cycle is short.
Description
Technical field
The utility model relates to the casing swage technology in the oil well technology, and a kind of Multifunctional casing shaping tool is provided especially.
Background technology
At present, process the casing swage restorative procedure and mainly contain mechanical type shaping reparation, milling shaping reparation, explosive shaping reparation.A large amount of site operations facts have proved, mechanical type shaping restorative procedure is only applicable to the less situation of casing deformation amount.The milling shaping is by milling or mills cone and will be out of shape and protrude the position milling and fall, and pour into the cement paste sealing, the method exists damage sleeve pipe and long construction period, is easy to cause casing sidetracking in the middle of work progress again.Explosive shaping technology, its dosage are difficult to hold, and the sleeve pipe of distortion is often with wall unevenness, and the non-directional of blast easily causes great destruction to sleeve pipe.
Therefore, in order to solve the above problems, people are studying a kind of few to casing damage always, short construction period, the casing swage instrument that shaping effect is good.
The utility model content
The purpose of this utility model is to provide a kind of Multifunctional casing shaping tool, to solve, the long construction period large to casing damage that exists in the casing swage in the past, the problem that shaping effect is undesirable.
The Multifunctional casing shaping tool that the utility model provides, this kit contains cone central axis 1, connect spacing pressure cap 3, propelling spring 4 and cone expansion-head 5, wherein, propelling spring 4 lugs are on cone central axis 1, jointly pack into 5 li of cone expansion-head of propelling spring 4 and cone central axis 1 lower end, connecting spacing pressure cap 3 is connected with cone expansion-head 5 make-ups and compresses propelling spring 4, it is characterized in that: described instrument also includes adjusting device 2, described adjusting device 2 is connected with cone central axis 1 make-up, the lower end of adjusting device 2 be connected spacing pressure cap 3 and tight.
Preferred adjusting device 2 is made of upper helmet 6, upper staple 7, friction block 8, brake pad 9, spring leaf 10, lower helmet 11 and lower staple 12; Wherein, upper helmet 6 links to each other with friction block 8 tops and uses staple 7 and fix, lower helmet 11 links to each other with friction block 8 bottoms and fixes with lower staple 12, be laid with four groups of pressure spring slots on the friction block 8, four groups of spring leafs 10 are installed in respectively in the pressure spring slot and compress by four groups of brake pads 9, the upper end of brake pad 9 is lifted and is enclosed within 6 li of helmets, and the lower end of brake pad 9 is lifted and is enclosed within 11 li of lower helmets.
The inside of preferred cone central axis 1 lower end and cone expansion-head 5 is equipped with stopper slot, and the stopper slot of the two cooperatively interacts, guarantee that the track that both move is consistent, and guaranteed that instrument self is injury-free, the spacing definite size of the conical surface of leaning on cone central axis 1 and cone expansion-head 5 to cooperatively interact, sleeve pipe is carried out step by step hole enlargement, reduced the damage of sleeve pipe in the shaping process, repair the rear sleeve internal diameter and substantially recover original size.
The Multifunctional casing shaping tool that the utility model provides, but by having increased by a cover righting, friction, rotary adjusting device 2, so that cone expansion-head 5 can be regulated control in well, make it reach the optimal shaping size, so that instrument is in the G.I.H precalculated position, by at ground swivelling pipe cornice movable cone central axis 1 synchronous rotary, it is inactive state that adjusting device 2 is subjected to self friction piece and casing wall to support friction, be rotation status with respect to adjusting device 2 in the time of cone central axis 1 rotation, thereby realize detaining and move back button on cone central axis 1 and adjusting device 2 are mutually, it is mobile at cone central axis 1 that meanwhile cone expansion-head 5 is followed adjusting device 2 under the effect of propelling spring 4, cone central axis 1 cooperates by mutual stopper slot with cone expansion-head 5, guarantee that the track that both move is consistent, by the spacing definite size of the conical surface that cone central axis 1 and cone expansion-head 5 cooperatively interact, make it reach the required ideal dimensions of shaping.Work as reshaper when casing deformation is serious and in the shaping process, be stuck in distortion place, the upper lifting pipe post, the effect lower cone central axis of upper lifting force move and the cone expansion-head between form one section free space, continue the upper lifting pipe post, the resilience of cone expansion-head breaks away from stuck point, and instrument can trip out safely.
The Multifunctional casing shaping tool that the utility model provides, its advantage is: simple in structure, to step by step hole enlargement of sleeve pipe, reduce the damage to sleeve pipe, the shaping rear sleeve recovers original size substantially, and shaping tool is not limited by casing size in the process of going into the well, short construction period, safe and reliable.
Description of drawings
Below in conjunction with drawings and the embodiments the utility model is described in further detail:
Fig. 1 is the structural representation of Multifunctional casing shaping tool;
Fig. 2 is the structural representation of adjusting device;
Fig. 3 is cone central axis and cone expansion-head bottom view.
The specific embodiment
Be illustrated in figure 1 as the Multifunctional casing shaping tool, this kit contains cone central axis 1, connect spacing pressure cap 3, propelling spring 4 and cone expansion-head 5, wherein, propelling spring 4 lugs are on cone central axis 1, jointly pack into 5 li of cone expansion-head of propelling spring 4 and cone central axis 1 lower end, the inside of cone central axis 1 lower end and cone expansion-head 5 is equipped with stopper slot as shown in Figure 3, and the stopper slot of the two cooperatively interacts, cone expansion-head 5 is multi-clove type, connecting spacing pressure cap 3 is connected with cone expansion-head 5 and compresses propelling spring 4, realize that cone central axis 1 and cone expansion-head 5 are mutually supported and suspended, this instrument also includes adjusting device 2, described adjusting device 2 is connected with cone central axis 1 make-up, the lower end of adjusting device 2 be connected spacing pressure cap 3 and tight.
Wherein, be illustrated in figure 2 as adjusting device, adjusting device is made of upper helmet 6, upper staple 7, friction block 8, brake pad 9, spring leaf 10, lower helmet 11 and lower staple 12; Wherein, upper helmet 6 links to each other with friction block 8 tops and uses staple 7 and fix, lower helmet 11 links to each other with friction block 8 bottoms and fixes with lower staple 12, be laid with four groups of pressure spring slots on the friction block 8, four groups of spring leafs 10 are installed in respectively in the pressure spring slot and compress by four groups of brake pads 9, the upper end of brake pad 9 is lifted and is enclosed within 6 li of helmets, and the lower end of brake pad 9 is lifted and is enclosed within 11 li of lower helmets.
Above-mentioned Multifunctional casing shaping tool, be connected with cone expansion-head 5 and compress propelling spring 4 by connecting spacing pressure cap 3, realized that cone central axis 1 and cone expansion-head 5 are mutually supported and suspended, increased adjusting device 2 on cone central axis 1 top, so that cone expansion-head 5 can be regulated control in well, make it reach the optimal shaping size, during construction operation, when instrument is lowered to the precalculated position, by at ground swivelling pipe cornice movable cone central axis 1 synchronous rotary, it is inactive state that adjusting device 2 is subjected to self friction piece and casing wall to support friction, be rotation status with respect to adjusting device 2 in the time of cone central axis 1 rotation, thereby realize detaining and move back button on cone central axis 1 and adjusting device 2 are mutually, it is mobile at cone central axis 1 that meanwhile cone expansion-head 5 is followed adjusting device 2 under the effect of propelling spring 4, cone central axis 1 cooperates by mutual stopper slot with cone expansion-head 5, guarantee the consistent and synchronous rotary of track that both move, by the spacing definite size of the conical surface that cone central axis 1 and cone expansion-head 5 cooperatively interact, make it reach the required ideal dimensions of shaping.Provide thrust power to be applied on the Multifunctional casing shaping tool by powered hydraulic tool, sleeve pipe is carried out step by step hole enlargement, in whole shaping repair process, sleeve pipe is not caused damage, repair the rear sleeve internal diameter and substantially recover original size.
When casing swage is constructed, if shaping tool is stuck in distortion place in the shaping process, the upper lifting pipe post, effect lower cone central axis 1 at lifting force moves and one section free space of cone expansion-head 5 formation, continue the upper lifting pipe post, a swollen resilience breaks away from stuck point, and instrument can trip out safely.
Claims (7)
1. Multifunctional casing shaping tool, this kit contains cone central axis (1), connects spacing pressure cap (3), propelling spring (4) and cone expansion-head (5), wherein, propelling spring (4) lug is on cone central axis (1), connecting spacing pressure cap (3) is connected with cone expansion-head (5) and compresses propelling spring (4), it is characterized in that: described instrument also includes adjusting device (2), described adjusting device (2) is connected with cone central axis (1) make-up, the lower end of adjusting device (2) be connected spacing pressure cap (3) and tight.
2. according to the described Multifunctional casing shaping tool of claim 1, it is characterized in that: described adjusting device (2) is made of upper helmet (6), upper staple (7), friction block (8), brake pad (9), spring leaf (10), lower helmet (11) and lower staple (12); Wherein, upper helmet (6) links to each other with friction block (8) top and uses staple (7) and fix, lower helmet (11) links to each other with friction block (8) bottom and is fixing with lower staple (12), be laid with four groups of pressure spring slots on the friction block (8), four groups of spring leafs (10) are installed in respectively in the pressure spring slot and compress by four groups of brake pads (9), the upper end of brake pad (9) lifts that to be enclosed within helmet (6) inner, and the lower end of brake pad (9) lifts that to be enclosed within lower helmet (11) inner.
3. according to claim 1 or 2 described Multifunctional casing shaping tools, it is characterized in that: the inside of described cone central axis (1) lower end and cone expansion-head (5) is equipped with stopper slot, and the stopper slot of the two cooperatively interacts.
4. according to claim 1 or 2 described Multifunctional casing shaping tools, it is characterized in that: described cone expansion-head (5) is multi-clove type.
5. according to the described Multifunctional casing shaping tool of claim 3, it is characterized in that: described cone expansion-head (5) is multi-clove type.
6. according to the described Multifunctional casing shaping tool of claim 2, it is characterized in that: upper helmet (6), be that make-up is connected with the connected mode of the block (8) that rubs.
7. according to the described Multifunctional casing shaping tool of claim 2, it is characterized in that: lower helmet (11) is that make-up is connected with the connected mode of friction block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220425832.4U CN202731799U (en) | 2012-08-27 | 2012-08-27 | Multifunctional casing shaping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220425832.4U CN202731799U (en) | 2012-08-27 | 2012-08-27 | Multifunctional casing shaping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202731799U true CN202731799U (en) | 2013-02-13 |
Family
ID=47657511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220425832.4U Expired - Lifetime CN202731799U (en) | 2012-08-27 | 2012-08-27 | Multifunctional casing shaping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202731799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119108A (en) * | 2018-02-08 | 2018-06-05 | 盘锦勇盛利石油科技开发有限公司 | A kind of oil pipe hydraulic pressure perforating device |
-
2012
- 2012-08-27 CN CN201220425832.4U patent/CN202731799U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119108A (en) * | 2018-02-08 | 2018-06-05 | 盘锦勇盛利石油科技开发有限公司 | A kind of oil pipe hydraulic pressure perforating device |
| CN108119108B (en) * | 2018-02-08 | 2022-02-11 | 盘锦勇盛利石油科技开发有限公司 | Oil pipe hydraulic pressure perforating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |