CN205135559U - Double helix expert washes rule - Google Patents
Double helix expert washes rule Download PDFInfo
- Publication number
- CN205135559U CN205135559U CN201520829026.7U CN201520829026U CN205135559U CN 205135559 U CN205135559 U CN 205135559U CN 201520829026 U CN201520829026 U CN 201520829026U CN 205135559 U CN205135559 U CN 205135559U
- Authority
- CN
- China
- Prior art keywords
- fan groove
- groove
- double helix
- pipe
- tube
- 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 a double helix expert washes rule, including the latus rectum pipe, pass the coaxial center tube that is provided with of latus rectum pipe, the outer wall of latus rectum pipe is provided with two sets of revolving to the same double helix groove, the latus rectum pipe is all stretched out at the both ends of center tube, and pipe joints an is connected to the one end of center tube, and the other end of center tube connects gradually pipe joints b and tip pipe, and longitudinal section one side of tip pipe free end is the acute angle tip, the center tube is provided with the external screw thread with the one end that pipe joints an is connected, and it is continuous with pipe joints a's interior screw -thread fit that the center tube passes through the external screw thread, revolving to the external screw thread of the one end setting all be connected with center tube and pipe joints a soon to on the contrary of two sets of double helix grooves. The utility model discloses a set up the double helix groove on the outer wall of latus rectum pipe, can effectively scrape the deposit, and through with the double helix groove revolve to set up as with the center tube on the revolving to on the contrary of external screw thread, can be when proposing this double helix expert washes rule effective anti -sticking, prevent string.
Description
Technical field
The utility model belongs to oil field drifting technical field of tools, is specifically related to a kind of double helix through wash rule, can realizes the combination function of drifting, sand-flushing.
Background technology
In oil field operation, drifting is one important operation.The object of drifting mainly in order to remove the solid impurity that internal surface of sleeve pipe adheres to, and can check sleeve pipe drifting and breakage thereof, deformation.Because downhole environment is complicated, and the drift size gauge tool of the prior art not only sedimental poor effect of scraping when drifting, cannot effective anti-sticking when proposing drift size gauge tool toward contact.And in current oil field operation, after usually first using drift size gauge tool drifting, it is tripped out in well, and then under enter Flushing tubular column and carry out sand-flushing, namely need to carry out two procedures and can complete drifting and well-flushing, so not only waste time and energy, and efficiency is very low.
Utility model content
The purpose of this utility model is to provide a kind of double helix through wash rule, solves drift size gauge tool scraping deposit poor effect in prior art and cannot the problem of effective anti-sticking, and integrates drifting and well-flushing, once completes two procedures.
The technical scheme that the utility model adopts is: a kind of double helix through wash rule, and comprise path tube, be coaxially arranged with central tube through path tube, the outer wall of path tube is provided with double spiral groove; Path tube is all stretched out in the two ends of central tube, one end connected pipes joint a of central tube, other end connected pipes joint b and the tip pipe successively of central tube, and the side, longitudinal section of tip pipe free end is acute angle tip; One end that central tube is connected with oil connection a is provided with external screw thread, and central tube is connected by the screw-internal thread fit of external screw thread with oil connection a; Double spiral groove is provided with two groups on the outer wall of path tube, and the rotation direction of two groups of double spiral grooves is identical, and all with central tube with the external thread rotary that one end that oil connection a is connected is arranged to contrary.
Feature of the present utility model is also:
The upper end of path tube has fan groove a and fan groove b, and the central angle of fan groove a and fan groove b is 90 °, and the central angle of fan groove a and fan groove b vertical angles each other; The lower end of path tube has fan groove c and fan groove d, and the central angle of fan groove c and fan groove d is also 90 °, and fan groove c and fan groove d lays respectively at the orthography position of fan groove a and fan groove b; One group in two groups of double spiral grooves initial from fan groove b, stops at fan groove c place; Another group in two groups of double spiral grooves is initial from fan groove a, stops at fan groove d place.
The beneficial effects of the utility model are: a kind of double helix through wash rule of the utility model, integrate drifting, well-flushing two procedures; After this double helix through wash advises well, by arranging double spiral groove on the outer wall of path tube, effective scraping can be carried out to deposit; And contrary with rotation direction externally threaded on central tube by the rotation direction of double spiral groove is set to, can propose this double helix through wash rule time effective anti-sticking, anti-extension.
Accompanying drawing explanation
Fig. 1 is that the master of a kind of double helix through wash rule of the utility model looks phantom drawing;
Fig. 2 is the top partial view diagram of a kind of double helix through wash rule of the utility model.
In figure, 1. oil connection a, 2. path tube, 3. double spiral groove, 4. central tube, 5. tip pipe, 6. oil connection b, 7. fan groove a, 8. fan groove b, 9. fan groove c, 10. fan groove d.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
A kind of double helix through wash rule of the utility model, as shown in Figure 1 and Figure 2, comprise path tube 2, be coaxially arranged with central tube 4 through path tube 2, the outer wall of path tube 2 is provided with double spiral groove 3; Path tube 2 is all stretched out at the two ends of central tube 4, one end connected pipes joint a1 of central tube 4, other end connected pipes joint b6 and the tip pipe 5 successively of central tube 4, and the side, longitudinal section of tip pipe 5 free end is acute angle tip; One end that central tube 4 is connected with oil connection a1 is provided with external screw thread, and central tube 4 is connected by the screw-internal thread fit of external screw thread with oil connection a1; Double spiral groove 3 is provided with two groups on the outer wall of path tube 2, and the rotation direction of two groups of double spiral grooves 3 is identical, and all with central tube 4 with the external thread rotary that one end that oil connection a1 is connected is arranged to contrary.The upper end of path tube 2 has fan groove a7 and fan groove b8, and the central angle of fan groove a7 and fan groove b8 is 90 °, and the central angle of fan groove a7 and fan groove b8 vertical angles each other; The lower end of path tube 2 has fan groove c9 and fan groove d10, and the central angle of fan groove c9 and fan groove d10 is also 90 °, and fan groove c9 and fan groove d10 lays respectively at the orthography position of fan groove a7 and fan groove b8; One group in two groups of double spiral grooves 3 initial from fan groove b8, stops at fan groove c9 place; Another group in two groups of double spiral grooves 3 is initial from fan groove a7, stops at fan groove d10 place.Preferably, the degree of depth of fan groove a7, fan groove b8, fan groove c9 and fan groove d10 is 20cm.So-called double spiral groove 3, two namely opened in a spiral form from top to bottom on the outer wall of path tube 2 grooves, have namely opened altogether four helicla flutes on the outer wall of path tube 2, as required, can also open several double spiral groove at the outer wall of path tube 2 more.
During use, by the tip pipe 5 of double helix through wash rule of the present utility model, G.I.H is to artificial bottom of a well or the position having sand face downwards, and when rotating this double helix through wash rule, double spiral groove 3 can carry out scraping effectively to deposits such as the greasy filth on the borehole wall.In central tube 4, squeeze into flushing fluid from well head and carry out well-flushing, as sand face, can sand-flushing be carried out; In sand washing process, this double helix through wash rule are constantly transferred, the deposit of double spiral groove 3 constantly on the scraping borehole wall, the deposit carried by flushing fluid finally by four fan grooves (fan groove a7, fan groove b8, fan groove c9 and fan groove d10) and sand return and eject, and namely complete the process of drifting of the present utility model, well-flushing.
When this double helix through wash rule are proposed in well, this double helix through wash rule are rotated with the direction of tightening oil connection a1, due to rotation direction and the central tube 4 of double spiral groove 3 with the external thread rotary that one end that oil connection a1 is connected is arranged to contrary, therefore, the setting of double spiral groove 3 can be beneficial to the proposition of this double helix through wash being advised, and prevents it from meeting card.
Claims (2)
1. double helix through wash rule, it is characterized in that, comprise path tube (2), be coaxially arranged with central tube (4) through path tube (2), the outer wall of described path tube (2) is provided with double spiral groove (3); Path tube (2) is all stretched out at the two ends of described central tube (4), one end connected pipes joint a (1) of central tube (4), other end connected pipes joint b (6) and the tip pipe (5) successively of central tube (4), the side, longitudinal section of tip pipe (5) free end is acute angle tip; One end that described central tube (4) is connected with oil connection a (1) is provided with external screw thread, and central tube (4) is connected by the screw-internal thread fit of external screw thread with oil connection a (1); Described double spiral groove (3) is provided with two groups on the outer wall of path tube (2), the rotation direction of two groups of double spiral grooves (3) is identical, and the external thread rotary that the one end be all connected with oil connection a (1) with central tube (4) is arranged is to contrary.
2. a kind of double helix through wash is advised according to claim 1, it is characterized in that, the upper end of described path tube (2) has fan groove a (7) and fan groove b (8), fan groove a (7) is 90 ° with the central angle of fan groove b (8), and the central angle vertical angles each other of fan groove a (7) and fan groove b (8); The lower end of described path tube (2) has fan groove c (9) and fan groove d (10), fan groove c (9) is also 90 ° with the central angle of fan groove d (10), and fan groove c (9) and fan groove d (10) lay respectively at the orthography position of fan groove a (7) and fan groove b (8); One group in described two groups of double spiral grooves (3) initial from fan groove b (8), stops at fan groove c (9) place; Another group in described two groups of double spiral grooves (3) is initial from fan groove a (7), stops at fan groove d (10) place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829026.7U CN205135559U (en) | 2015-10-23 | 2015-10-23 | Double helix expert washes rule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829026.7U CN205135559U (en) | 2015-10-23 | 2015-10-23 | Double helix expert washes rule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205135559U true CN205135559U (en) | 2016-04-06 |
Family
ID=55621364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520829026.7U Expired - Fee Related CN205135559U (en) | 2015-10-23 | 2015-10-23 | Double helix expert washes rule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205135559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209277A (en) * | 2018-10-29 | 2019-01-15 | 中国石油集团渤海钻探工程有限公司 | Borehole wall trimmer |
-
2015
- 2015-10-23 CN CN201520829026.7U patent/CN205135559U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209277A (en) * | 2018-10-29 | 2019-01-15 | 中国石油集团渤海钻探工程有限公司 | Borehole wall trimmer |
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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 |
Granted publication date: 20160406 Termination date: 20171023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |