CN212985150U - Sleeve pipe unfreezing device - Google Patents
Sleeve pipe unfreezing device Download PDFInfo
- Publication number
- CN212985150U CN212985150U CN202021925943.2U CN202021925943U CN212985150U CN 212985150 U CN212985150 U CN 212985150U CN 202021925943 U CN202021925943 U CN 202021925943U CN 212985150 U CN212985150 U CN 212985150U
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- China
- Prior art keywords
- pipe
- sleeve pipe
- inner cavity
- sleeve
- unfreezing
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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 - Fee Related
Links
- 238000003466 welding Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000005553 drilling Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to the technical field of oil drilling equipment, and discloses a sleeve pipe unfreezing device, which comprises a sleeve pipe body, a sleeve pipe unfreezing device body, wherein the inner cavity of the sleeve pipe body is hollow, a through hole is formed at the bottom of the sleeve pipe body, a flow guide pipe which is matched with the inner cavity of the sleeve pipe body is sleeved in the inner cavity of the sleeve pipe body, a through hole is formed at the bottom of the flow guide pipe, the through hole formed at the bottom of the flow guide pipe is internally penetrated and welded with the unfreezing device body which is matched with the inner cavity of the sleeve pipe body, the inner cavity of the sleeve pipe is hollow, a connecting pipe which is matched with the inner cavity of the sleeve pipe is sleeved in the inner cavity of the sleeve pipe, the size of the connecting pipe is the same as that of the flow guide pipe, the lower end of the through hole formed at the bottom of the flow guide pipe is vertically penetrated and welded with the unfr, the problem that the leakproofness is not high can effectively improve the practicality of sleeve pipe unfreezing device.
Description
Technical Field
The utility model relates to an oil drilling equipment technical field specifically is sleeve pipe unfreezing device.
Background
The casing is a steel pipe used for supporting the well wall of an oil well or a gas well so as to ensure the normal operation of the whole oil well after the well drilling process and the well completion, each well needs to use several layers of casings according to different drilling depths and geological conditions, the casings are cemented by cement after going down the well, the casings are different from oil pipes and drill rods and cannot be reused, and the casings belong to disposable consumption materials, so the consumption of the casings accounts for more than 70 percent of the total oil well pipe, and the casings can be divided into the following parts according to the use conditions: pipe, top casing, technical casing and oil reservoir casing, present sleeve pipe need use the device of unfreezing in the use, but present unfreezing device unfreezes the operation effect not enough, and the easy card of taking place bores the accident, and the leakproofness is not high simultaneously, can not satisfy people's demand.
The automatic casing running grouting and unfreezing device comprises a joint, threads are arranged on the outer side of the joint, a central pipe is connected to the upper end of the joint, a one-way valve is arranged on one side of the central pipe, a hollow adjusting nut is arranged at the bottom of the one-way valve, the top of the hollow adjusting nut is connected with an adjusting spring, one end of the adjusting spring is connected with a flow limiting ball, a limiting step is arranged above the flow limiting ball, a rubber pad is arranged between the limiting step and the flow limiting ball, a closing valve pin is arranged at the top of the limiting step, a reset spring is sleeved on the outer side of the closing valve pin, a closing valve is connected onto the reset spring, a pipe plug is arranged on one side of the one-way valve, the top of the pipe plug is connected.
Above-mentioned utility model although can realize the use of sleeve pipe unfreezing device, nevertheless to some extent not enough in the aspect of the operation effect of unfreezing, because the structure is complicated, can not ensure the problem of leakproofness, and the practicality is not high, to above-mentioned problem, for this reason, we have designed the sleeve pipe unfreezing device.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a sleeve pipe unfreezing device has solved the unfreezing operation effect that proposes in the above-mentioned background art not enough, problem that the leakproofness is not high.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the sleeve pipe unfreezing device comprises a sleeve pipe body, a sleeve pipe unfreezing device body, wherein an inner cavity of the sleeve pipe body is hollow, a through hole is formed in the bottom of the sleeve pipe body, a flow guide pipe which is in fit with the sleeve pipe body is sleeved in the inner cavity of the sleeve pipe body, the bottom of the flow guide pipe is provided with the through hole, the through hole formed in the bottom of the flow guide pipe is internally penetrated and welded with the unfreezing device body which is in fit with the sleeve pipe body, the bottom of the sleeve pipe body is penetrated and welded with the sleeve pipe which is in fit with the sleeve pipe body, the inner cavity of the sleeve pipe is hollow, a connecting pipe which is in fit with the sleeve pipe is sleeved in the inner cavity of the sleeve pipe body, the size of the connecting pipe is the same as that of the flow guide pipe.
Further, the welding of spring bottom is followed outside the connecting pipe top, and the equidistant V-arrangement spout of transversely having seted up a set of symmetry on the sleeve pipe body inside wall, sliding butt has the slider that agrees with mutually in the V-arrangement spout, and the slider other end welds perpendicularly on the honeycomb duct lateral wall.
Furthermore, the other end of the unfreezing pipe is positioned in the inner cavity of the connecting pipe, a clamping ring which is matched with the pipe is welded on the outer ring at the bottom of the unfreezing pipe, and an arc-shaped slide way is transversely arranged at the upper part of the inner side wall of the connecting pipe.
Further, all vertical welding has a plurality of groups of pressure springs on the lateral wall about in the arc slide, and the pressure spring other end is located the arc slide and follows the welding outward and have a set of semi-circular joint piece that the symmetry agrees with, all bond the sealing washer that has agreeing with mutually on the joint piece inside wall.
Furthermore, the pipe size of unfreezing is less than the connecting pipe, and joint ring outer lane and the inboard wall of connecting pipe agree with closely butt, be equipped with the channel of unfreezing in the connecting pipe inner chamber.
The utility model has the advantages that:
1. the utility model discloses a, through being equipped with the unfreezing device body, the unfreezing sleeve pipe body of being convenient for on the one hand, easy operation is convenient, the manpower has been saved relatively, on the other hand buffer pressure of being convenient for, the life of sleeve pipe body has been improved relatively, the sleeve pipe damage has been prevented relatively and the problem that causes the sticking of a card brill is prevented, the operation of unfreezing is effectual simultaneously, the emergence of sticking of a card brill accident has been avoided relatively, work efficiency has been improved relatively when having saved manpower and materials, when the unfreezing operation, the honeycomb duct is pushed down, thereby drive the shrink of spring atress, and then drive the slider and slide in the V-arrangement spout, make the honeycomb duct follow-up and-down motion in the unfreezing passageway of sleeve pipe body inner chamber, thereby it moves up and down to drive unfreezing pipe and joint ring follow-up and move in the unfr.
2. The utility model discloses a, through being equipped with the joint ring, joint piece and sealing washer cooperate, the joint of being convenient for on the one hand is separated the sealing connection nature of card pipe and connecting pipe, on the other hand is convenient for avoid the grit relatively to get into the emergence of intraductal or the refluence phenomenon of cover, and then avoided the problem that causes the sand card relatively, during the use, the card pipe is separated to the pressure, thereby it pushes down to drive the joint ring, and then drive the shrink of pressure spring atress, make the joint piece shrink thereupon advance in the arc slide, thereby the card pipe is separated to the joint, and then it is sealed to be convenient for the butt through the sealing washer, the whole leakproofness of sleeve pipe.
Drawings
FIG. 1 is a front view of the main structure of the present invention;
FIG. 2 is a sectional view of the structure of the jam clearing device body of the present invention;
fig. 3 is a cross-sectional view of the structure of the joint block of the present invention.
In the figure: 1. a sleeve body; 2. sleeving a pipe; 3. a flow guide pipe; 4. releasing the pipe from the clamp; 5. a snap ring; 6. a connecting pipe; 7. a clamping block; 8. a V-shaped chute; 9. a slider; 10. a spring; 11. a pressure spring; 12. an arc-shaped slideway; 13. a seal ring; 14. an unfreezing channel; 15. the unfreezing device body.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.
Referring to FIGS. 1-3: sleeve pipe unfreezing device, including sleeve pipe body 1, the honeycomb duct 3 that agrees with mutually cup joints in the sleeve pipe body 1 inner chamber, and honeycomb duct 3 bottom has seted up the through-hole, it has the unfreezing device body 15 that agrees with mutually to run through the welding in the through-hole that honeycomb duct 3 bottom was seted up, and sleeve pipe body 1 bottom has link up the welding and has the sleeve pipe 2 that agrees with mutually, 2 inner chambers of sleeve pipe are hollow, and the connecting pipe 6 that agrees with mutually has cup jointed in the 2 inner chambers of sleeve pipe, 6 size of a dimension of connecting pipe is the same with honeycomb duct 3, and the through-hole lower extreme that honeycomb duct 3 bottom was seted up has link up the welding perpendicularly and has the unfreezing pipe 4 that agrees with mutually, the spring 10 that agrees with mutually has cup jointed on the outer lane of unfreezing pipe 4, and the welding of spring 10 top is.
It should be noted that, the welding of spring 10 bottom is along outside 6 tops of connecting pipe, and the equidistance transversely sets up the V-arrangement spout 8 of a set of symmetry on the 1 inside wall of sleeve pipe body, and the sliding butt has the slider 9 that agrees with mutually in the V-arrangement spout 8, and the perpendicular welding of the slider 9 other end is on 3 lateral walls of honeycomb duct, is convenient for relatively effectual completion unfreezing operation.
The other end of the pipe 4 is located in the inner cavity of the connecting pipe 6, the clamping ring 5 which is matched with the pipe 4 is welded on the outer ring of the bottom of the pipe 4, and the arc-shaped slide rail 12 is transversely arranged at the upper part of the inner side wall of the connecting pipe 6, so that the clamping is convenient to realize the sealing and connecting performance of the pipe 4 and the connecting pipe 6.
Wherein, all vertical welding has a plurality of groups of pressure spring 11 on the lateral wall about in the arc slide 12, and the pressure spring 11 other end is located arc slide 12 outer along the welding have a set of semi-circular joint piece 7 that the symmetry agrees with, all bonds the sealing washer 13 that has agreeing with mutually on the joint piece 7 inside wall, is convenient for improved the whole leakproofness of sleeve pipe unfreezing device relatively.
Wherein, the pipe 4 size of unfreezing is less than connecting pipe 6, and 5 outer lanes in the joint ring agree with inseparable butts with the connecting pipe 6 inside wall, is equipped with the channel 14 of unfreezing in the connecting pipe 6 inner chamber, is convenient for prevent the sleeve pipe relatively and damages and cause the problem of sticking of tool, and the operation of unfreezing is effectual simultaneously, has avoided the emergence of sticking of tool accident relatively.
To sum up, when the utility model is used, the sleeve pipe body 1 is convenient to be unlocked through the releasing device body 15, the operation is simple and convenient, the manpower is relatively saved, the buffer pressure is convenient, the service life of the sleeve pipe body 1 is relatively prolonged, the problem of stuck drill caused by sleeve pipe damage is relatively prevented, the releasing operation effect is good, the occurrence of stuck drill accidents is relatively avoided, the working efficiency is relatively improved while the manpower and material resources are saved, when the releasing operation is carried out, the guide pipe 3 is pressed down, the spring 10 is driven to shrink under the stress, the slide block 9 is driven to slide in the V-shaped chute 8, the guide pipe 3 is driven to move up and down in the inner cavity of the sleeve pipe body 1, the releasing pipe 4 and the clamping ring 5 are driven to move up and down in the releasing channel 14 in the inner cavity of the connecting pipe 6, and the releasing operation is relatively effectively completed, the practicability of the sleeve pipe unfreezing device is relatively improved.
Through joint ring 5, joint piece 7 and sealing washer 13 cooperate, the joint of being convenient for on the one hand separates the sealing connection nature of card pipe 4 and connecting pipe 6, on the other hand is convenient for avoid the grit relatively to get into the sleeve intraductal or the emergence of refluence phenomenon, and then avoided the problem that causes the sand card relatively, during the use, it separates card pipe 4 to push down, thereby drive joint ring 5 and push down, and then drive the shrink of pressure spring 11 atress, make joint piece 7 follow-up receipts indentation arc slide 12 in, thereby the joint separates card pipe 4, and then it is sealed to be convenient for the butt through sealing washer 13, the whole leakproofness of sleeve pipe separation device has been improved relatively.
The above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments without departing from the spirit or scope of the present invention.
Claims (5)
1. The sleeve pipe unfreezing device comprises a sleeve pipe body (1), a sleeve pipe (2) and an unfreezing device body (15), and is characterized in that: the inner cavity of the sleeve body (1) is hollow, and the bottom of the sleeve body (1) is provided with a through hole, a flow guide pipe (3) which is matched with the inner cavity of the sleeve body (1) is sleeved in the inner cavity of the sleeve body, and the bottom of the flow guide pipe (3) is provided with a through hole, the through hole arranged at the bottom of the flow guide pipe (3) is internally welded with a matched unfreezing device body (15) in a penetrating way, and the bottom of the sleeve body (1) is welded with a sleeve pipe (2) which is fit with the sleeve pipe in a run-through way, the inner cavity of the sleeve pipe (2) is hollow, and a connecting pipe (6) which is fit with the inner cavity of the sleeve pipe (2) is sleeved in the inner cavity of the sleeve pipe (2), the size of the connecting pipe (6) is the same as that of the guide pipe (3), the lower end of a through hole arranged at the bottom of the flow guide pipe (3) is vertically welded with a corresponding releasing pipe (4) in a penetrating way, the outer ring of the releasing pipe (4) is sleeved with a spring (10) which is matched with the releasing pipe, and the top end of the spring (10) is welded at the bottom of the flow guide pipe (3).
2. The cannula stuck freeing device of claim 1, wherein: spring (10) bottom welding is followed outside connecting pipe (6) top, and the equidistance transversely sets up V-arrangement spout (8) of a set of symmetry on sleeve pipe body (1) inside wall, sliding butt has slider (9) that agree with mutually in V-arrangement spout (8), and the perpendicular welding of slider (9) other end is on honeycomb duct (3) lateral wall.
3. The cannula stuck freeing device of claim 2, wherein: the other end of the pipe (4) is positioned in the inner cavity of the connecting pipe (6), the outer ring at the bottom of the pipe (4) is welded with a clamping ring (5) which is engaged with the outer ring, and the upper part of the inner side wall of the connecting pipe (6) is transversely provided with an arc-shaped slide way (12).
4. The cannula stuck freeing device of claim 3, wherein: equal vertical welding has a plurality of groups of pressure spring (11) on the lateral wall about in arc slide (12), and pressure spring (11) other end is located arc slide (12) outer along the welding have semicircular joint piece (7) that a set of symmetry agreed with, all bond on joint piece (7) inside wall has sealing washer (13) that agree with mutually.
5. The cannula stuck freeing device of claim 4, wherein: the size of the unfreezing pipe (4) is smaller than that of the connecting pipe (6), the outer ring of the clamping ring (5) is matched with the inner side wall of the connecting pipe (6) to be tightly abutted, and an unfreezing channel (14) is arranged in the inner cavity of the connecting pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021925943.2U CN212985150U (en) | 2020-09-07 | 2020-09-07 | Sleeve pipe unfreezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021925943.2U CN212985150U (en) | 2020-09-07 | 2020-09-07 | Sleeve pipe unfreezing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212985150U true CN212985150U (en) | 2021-04-16 |
Family
ID=75416156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021925943.2U Expired - Fee Related CN212985150U (en) | 2020-09-07 | 2020-09-07 | Sleeve pipe unfreezing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212985150U (en) |
-
2020
- 2020-09-07 CN CN202021925943.2U patent/CN212985150U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |