CN201771458U - Apparatus for expanding well and salvaging - Google Patents
Apparatus for expanding well and salvaging Download PDFInfo
- Publication number
- CN201771458U CN201771458U CN2010205287236U CN201020528723U CN201771458U CN 201771458 U CN201771458 U CN 201771458U CN 2010205287236 U CN2010205287236 U CN 2010205287236U CN 201020528723 U CN201020528723 U CN 201020528723U CN 201771458 U CN201771458 U CN 201771458U
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- CN
- China
- Prior art keywords
- well
- hollow pipe
- expansion
- cylinder type
- fishing device
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an apparatus for expanding well and salvaging being composed of a joint, an expanding well device which is fixedly connected to the lower end of the joint, and a salvaging pike which is fixedly connected to the lower end of the expanding well device, wherein the expanding well device contains a cylindrical hollow pipe, a plurality of expanding well plates being arranged on the external of the cylindrical hollow pipe, the cylindrical hollow pipe being fixedly connected to the lower end of the joint, the salvaging pike including a salvaging lever which is provided with a plurality of barbs, the salvaging lever being fixedly connected to the lower end of the cylindrical hollow pipe. The utility model can handle two kinds of main accidents underground at one time, specifically expanding well and salvaging. The utility model has the advantages of simple structure, rational design, simple and convenient operation, high working efficiency, and strong practicality.
Description
Technical field
The utility model relates to a kind of oilfield downhole operation instrument, especially relates to a kind of expansion well fishing device.
Background technology
In the oil drilling work progress, run into following two kinds of major accidents through regular meeting: cement residue that formation burr, well cementation are left in (1) oil well casing and open hole well are because the imbibition effect of rock stratum causes necking down and protective casing distortion through regular meeting; (2) people is that the fall ribbons such as wire rope of well are present in oil well.At above two kinds of accidents, do not have the instrument that can handle simultaneously in the prior art, and workload is bigger in concrete operations, operation is more loaded down with trivial details.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of expansion well fishing device is provided, it is simple in structure, reasonable in design and use easy and simple to handle, the two kinds of major accidents in energy disposable processing down-hole, promptly expand well and fishing, the operating efficiency height is practical simultaneously.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of expansion well fishing device, it is characterized in that: form by joint and the well-expanding device of fixedlying connected and lance three parts of dragging for of fixedlying connected with described well-expanding device lower end with the joint lower end, described well-expanding device comprises the cylinder type hollow pipe, described cylinder type hollow pipe arranged outside has a plurality of expansion well plates, described cylinder type hollow pipe is fixedlyed connected with the joint lower end, the described lance that drags for comprises and drags for bar, the described bar that drags for is provided with a plurality of barbs, and the described bar that drags for is fixedlyed connected with cylinder type hollow pipe lower end.
Above-mentioned a kind of expansion well fishing device is characterized in that: described cylinder type hollow pipe top is symmetrical arranged and is useful on the well washing hole that impacts oil well sand face.
Above-mentioned a kind of expansion well fishing device, it is characterized in that: the quantity of described well washing hole is two.
Above-mentioned a kind of expansion well fishing device is characterized in that: described well washing hole be shaped as rectangle, square or circular.
Above-mentioned a kind of expansion well fishing device is characterized in that: described expansion well plate is even laying in the cylinder type hollow pipe outside.
Above-mentioned a kind of expansion well fishing device, it is characterized in that: the quantity of described expansion well plate is four.
Above-mentioned a kind of expansion well fishing device is characterized in that: described expansion well plate is that the well steel plate is expanded in taper.
Above-mentioned a kind of expansion well fishing device is characterized in that: described barb is even laying dragging on the bar.
Above-mentioned a kind of expansion well fishing device, it is characterized in that: described barb is the taper barb, and the vertical sectional shape of described taper barb is an obtuse triangle.
Above-mentioned a kind of expansion well fishing device is characterized in that: between described joint lower end and the cylinder type hollow pipe and cylinder type hollow pipe lower end and the connected mode of dragging between the bar are welding.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design, this expansion well fishing device is made up of joint and the well-expanding device of fixedlying connected with the joint lower end and lance three parts of dragging for of fixedlying connected with the well-expanding device lower end, well-expanding device comprises the cylinder type hollow pipe, cylinder type hollow pipe arranged outside has a plurality of expansion well plates, drag for lance and comprise and drag for bar, drag for bar and be provided with a plurality of barbs.
2, use is easy and simple to handle, repeat to put to put and expand the well fishing device, the burr and the iron filings of the borehole wall fouling of open hole well, the residual cement of cementing the well, protective casing distortion can be rooted out, and ribbon such as steel wire, cable in the sleeve pipe is picked up, realize expanding well and fishing.
3, operating efficiency height, can disposable processing down-hole two kinds of major accidents, promptly expand well and fishing, it is big to have solved in the prior art workload, the problem that operation is loaded down with trivial details.
4, practical, this expansion well fishing device can expand well and fishing simultaneously, has overcome the technological deficiency that does not have to carry out simultaneously two kinds of power tools in the prior art.
Below by drawings and Examples, the utility model is described in further detail.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model.
Description of reference numerals:
The 1-joint; 2-cylinder type hollow pipe; 3-expands the well plate;
4-drags for bar; The 5-barb; The 6-well washing hole.
The specific embodiment
A kind of expansion well fishing device as shown in Figure 1, form by joint 1 and the well-expanding device of fixedlying connected and lance three parts of dragging for of fixedlying connected with described well-expanding device lower end with joint 1 lower end, described well-expanding device comprises cylinder type hollow pipe 2, described cylinder type hollow pipe 2 arranged outside have a plurality of expansion well plates 3, described cylinder type hollow pipe 2 is fixedlyed connected with joint 1 lower end, the described lance that drags for comprises and drags for bar 4, and the described bar 4 that drags for is provided with a plurality of barbs 5, and the described bar 4 that drags for is fixedlyed connected with cylinder type hollow pipe 2 lower ends.
As shown in Figure 1, described cylinder type hollow pipe 2 tops are symmetrical arranged and are useful on the well washing hole 6 that impacts oil well sand face, and the quantity of described well washing hole 6 is two, described well washing hole 6 be shaped as rectangle, square or circular.
As shown in Figure 1, described expansion well plate 3 is even laying in cylinder type hollow pipe 2 outsides, and the quantity of described expansion well plate 3 is four, and described expansion well plate 3 expands the well steel plate for taper.This expansion well plate employing taper expansion well steel plate not only is convenient to expand the well operation and is carried out, and mechanical strength is good.
As shown in Figure 1, described barb 5 is even laying dragging on the bar 4, and described barb 5 is the taper barb, and the vertical sectional shape of described taper barb is an obtuse triangle.Being convenient to salvage operation carries out.
In the utility model, between described joint 1 lower end and the cylinder type hollow pipe 2 and cylinder type hollow pipe 2 lower ends and the connected mode of dragging between the bar 4 are welding.This connected mode is not only easy to connect, and safe and reliable.
Operating principle of the present utility model is: will expand the well fishing device and be put in oil well under slowly, lean out the top of fish position, transfer fast after then it being mentioned 7m-8m, the expansion well plate 3 in this process on the well-expanding device can be rooted out the burr and the iron filings of the borehole wall fouling of open hole well, the residual cement of cementing the well, protective casing distortion under action of gravity; Simultaneously, ribbon such as steel wire, cable in the sleeve pipe can be hooked and picks up, repeat repeatedly to move, can finish and expand the well fishing by the barb 5 that drags on the lance.In addition,, can also utilize the well washing hole 6 on the cylinder type hollow pipe 2 to impact the sand faces, reach the purpose of salvaging junk if sand buries fish in the process that expands the well salvaging.Therefore, the utlity model has can be disposable finish and expand well and fishing, and the operating efficiency height, use characteristics easy and simple to handle, and it is big to have solved in the prior art workload, the problem that operation is loaded down with trivial details.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (10)
1. expansion well fishing device, it is characterized in that: form by joint (1) and the well-expanding device of fixedlying connected and lance three parts of dragging for of fixedlying connected with described well-expanding device lower end with joint (1) lower end, described well-expanding device comprises cylinder type hollow pipe (2), described cylinder type hollow pipe (2) arranged outside has a plurality of expansion well plates (3), described cylinder type hollow pipe (2) is fixedlyed connected with joint (1) lower end, the described lance that drags for comprises and drags for bar (4), the described bar (4) that drags for is provided with a plurality of barbs (5), and the described bar (4) that drags for is fixedlyed connected with cylinder type hollow pipe (2) lower end.
2. according to the described a kind of expansion well fishing device of claim 1, it is characterized in that: described cylinder type hollow pipe (2) top is symmetrical arranged and is useful on the well washing hole (6) that impacts oil well sand face.
3. according to the described a kind of expansion well fishing device of claim 2, it is characterized in that: the quantity of described well washing hole (6) is two.
4. according to the described a kind of expansion well fishing device of claim 2, it is characterized in that: described well washing hole (6) be shaped as rectangle, square or circular.
5. according to the described a kind of expansion well fishing device of claim 1, it is characterized in that: described expansion well plate (3) is even laying in cylinder type hollow pipe (2) outside.
6. according to the described a kind of expansion well fishing device of claim 5, it is characterized in that: the quantity of described expansion well plate (3) is four.
7. according to the described a kind of expansion well fishing device of claim 5, it is characterized in that: described expansion well plate (3) expands the well steel plate for taper.
8. according to the described a kind of expansion well fishing device of claim 1, it is characterized in that: described barb (5) is even laying dragging on the bar (4).
9. according to the described a kind of expansion well fishing device of claim 8, it is characterized in that: described barb (5) is the taper barb, and the vertical sectional shape of described taper barb is an obtuse triangle.
10. according to the described a kind of expansion well fishing device of claim 1, it is characterized in that: between described joint (1) lower end and the cylinder type hollow pipe (2) and cylinder type hollow pipe (2) lower end and the connected mode of dragging between the bar (4) are welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205287236U CN201771458U (en) | 2010-09-14 | 2010-09-14 | Apparatus for expanding well and salvaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205287236U CN201771458U (en) | 2010-09-14 | 2010-09-14 | Apparatus for expanding well and salvaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201771458U true CN201771458U (en) | 2011-03-23 |
Family
ID=43751303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205287236U Expired - Fee Related CN201771458U (en) | 2010-09-14 | 2010-09-14 | Apparatus for expanding well and salvaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201771458U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747976A (en) * | 2012-07-12 | 2012-10-24 | 中国海洋石油总公司 | Fishing needle, fishing device and fishing method for fishing a soft material in tube for oil gas well |
| CN110608008A (en) * | 2019-10-25 | 2019-12-24 | 淮南矿业(集团)有限责任公司 | Fishing device |
-
2010
- 2010-09-14 CN CN2010205287236U patent/CN201771458U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747976A (en) * | 2012-07-12 | 2012-10-24 | 中国海洋石油总公司 | Fishing needle, fishing device and fishing method for fishing a soft material in tube for oil gas well |
| CN110608008A (en) * | 2019-10-25 | 2019-12-24 | 淮南矿业(集团)有限责任公司 | Fishing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20170914 |