CN203961866U - A kind of petroleum drilling and mining apparatus - Google Patents
A kind of petroleum drilling and mining apparatus Download PDFInfo
- Publication number
- CN203961866U CN203961866U CN201420414032.1U CN201420414032U CN203961866U CN 203961866 U CN203961866 U CN 203961866U CN 201420414032 U CN201420414032 U CN 201420414032U CN 203961866 U CN203961866 U CN 203961866U
- Authority
- CN
- China
- Prior art keywords
- expansion tube
- expansion
- block
- petroleum drilling
- mining apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of petroleum drilling and mining apparatus, comprise expansion tube, it is characterized in that, in described expansion tube, be provided with expansion cone, between expansion tube and expansion cone, be provided with connector assembly, the end of expansion tube is provided with end block, and one end of block of the described end is positioned at the outside of expansion tube, between one end in expansion tube of end block and expansion tube, be provided with elastic claw, described elastic claw is provided with wedge.The utility model good sealing effect, anti-pressure ability is strong.
Description
Technical field
The utility model relates to a kind of petroleum drilling and mining apparatus.
Background technology
Oil is one of important energy of society, in producing oil process, once casing damaged well middle sleeve damages distortion, directly affect the normal production of oil-water well, even can cause this oil-water well to stop production, the serious oil-water well that can make is scrapped, prolongation along with the oilfield exploitation time, Casing Failure deformed damaged phenomenon is on the rise, and therefore, the repair of casing damaged well casing failure has become an important topic in oilfield development process.The type of casing failure is broadly divided into four kinds: be out of shape, break, bad break and corrosion failure, for many years, for the types of damage of above four kinds of sleeve pipes, carried out a series of research, adopted several different methods to repair the sleeve pipe of casing damaged well, because the reparation difficulty of casing damaged well sleeve pipe is large, so the repairing effect to casing damaged well sleeve pipe is unsatisfactory, casing damaged well run through casing size after reparation reduces, sealing is poor, anti-pressure ability is more weak, use one end after the time, to there will be again problem, need to re-start reparation, increased cost of production.
Summary of the invention
For solving above-mentioned existing shortcoming, main purpose of the present utility model is to provide a kind of petroleum drilling and mining apparatus of practicality, good sealing effect, and anti-pressure ability is strong.
For reaching above-described object, a kind of petroleum drilling and mining of the present utility model is taked following technical scheme with apparatus:
A kind of petroleum drilling and mining apparatus, comprise expansion tube, it is characterized in that, in described expansion tube, be provided with expansion cone, between expansion tube and expansion cone, be provided with connector assembly, the end of expansion tube is provided with end block, and one end of block of the described end is positioned at the outside of expansion tube, between one end in expansion tube of end block and expansion tube, be provided with elastic claw, described elastic claw is provided with wedge.
Block inside is provided with through hole at the described end, and one end that end block is positioned at outside expansion tube is provided with external screw thread, between end block and expansion tube, is provided with sealing ring.
Adopt as above the utility model of technical scheme, there is following beneficial effect:
Make expansion pipe column there is higher sealing; because having increased end block, the end at expansion tube make expansion tube there is stronger anti-pressure ability simultaneously; and play protection expansion tube effect; prevent that expansion tube is because of the impaired problem that need to change whole piece expansion tube in end; save material, reduced cost of production.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
In order to further illustrate the utility model, below in conjunction with accompanying drawing, further describe:
As shown in Figure 1, a kind of petroleum drilling and mining apparatus of the present utility model, comprise expansion tube 1, in expansion tube 1, be provided with expansion cone 3, between expansion tube 1 and expansion cone 3, be provided with connector assembly 2, the end of expansion tube 1 is provided with end block 4, one end of end block 4 is positioned at the outside of expansion tube 1, between one end in expansion tube 1 of end block 4 and expansion tube 1, be provided with elastic claw 6, elastic claw 6 is provided with wedge 7, block 4 inside in the end are provided with through hole 5, one end that end block 4 is positioned at outside expansion tube 1 is provided with external screw thread, be convenient to install or connect, between end block 4 and expansion tube 1, be provided with sealing ring 8, sealing ring 8 has two, make the sealing effectiveness of expansion tube 1 better.
Claims (2)
1. a petroleum drilling and mining apparatus, comprise expansion tube, it is characterized in that, in described expansion tube, be provided with expansion cone, between expansion tube and expansion cone, be provided with connector assembly, the end of expansion tube is provided with end block, and one end of block of the described end is positioned at the outside of expansion tube, between one end in expansion tube of end block and expansion tube, be provided with elastic claw, described elastic claw is provided with wedge.
2. a kind of petroleum drilling and mining apparatus according to claim 1, is characterized in that, block inside, the described end is provided with through hole, and one end that end block is positioned at outside expansion tube is provided with external screw thread, between end block and expansion tube, is provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420414032.1U CN203961866U (en) | 2014-07-25 | 2014-07-25 | A kind of petroleum drilling and mining apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420414032.1U CN203961866U (en) | 2014-07-25 | 2014-07-25 | A kind of petroleum drilling and mining apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203961866U true CN203961866U (en) | 2014-11-26 |
Family
ID=51922465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420414032.1U Withdrawn - After Issue CN203961866U (en) | 2014-07-25 | 2014-07-25 | A kind of petroleum drilling and mining apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203961866U (en) |
-
2014
- 2014-07-25 CN CN201420414032.1U patent/CN203961866U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141126 Effective date of abandoning: 20160921 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |