CN201125693Y - Branch well open window tools - Google Patents
Branch well open window tools Download PDFInfo
- Publication number
- CN201125693Y CN201125693Y CNU200720183322XU CN200720183322U CN201125693Y CN 201125693 Y CN201125693 Y CN 201125693Y CN U200720183322X U CNU200720183322X U CN U200720183322XU CN 200720183322 U CN200720183322 U CN 200720183322U CN 201125693 Y CN201125693 Y CN 201125693Y
- Authority
- CN
- China
- Prior art keywords
- locating cone
- transverse plane
- upright
- end surfaces
- plane
- 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 - Lifetime
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Abstract
The utility model relates to a branched well windowing tool, which comprises a main body (1), a chip structure, a cuttings chute (7), a flow passage and a hydrophthalmos; the chip structure comprises a plurality of vertical planes (2), end surfaces (4), vertical end surfaces (5), vertical side surfaces (6); the appropriate position in the middle of the main body (1) has a hole with thread; protruding locating cones (3) are arranged at a certain distance away from the centers of the end surfaces (4), the locating cone (3) is a cone or a circular cylinder, and the whole of the locating cone (3) is welded with polycrystalline diamond fragments; the end surfaces (4) are processed into inclined planes with a certain inclination angle, and are in the petal shape, the petal uses the locating cone (3) as a center to be in helix dextral or symmetric arrangement; PDC teeth are uniformly arranged on the vertical end surfaces (5); the other surface are all welded with polycrystalline diamond fragments. The utility model has an unique chip structure, which causes that the speed of opening windows of the sleeve is fast, and has a high reliability, the widows opened on the sleeve has a good quality.
Description
Technical field
The utility model relates to the down-hole milling tool that oil drilling is used, and particularly a kind of down-hole casing inward instrument that is used for belongs to the downhole tool class.
Background technology
Follow the Multilateral Wells technology rapid development, the casing sidetracking instrument is one of important tool of Multilateral Wells sidetracking, and the window quality of quality and the speed speed of windowing of the instrument of windowing directly has influence on carrying out smoothly of Multilateral Wells construction.The at present used compound awl that mills of the many employings of all kinds of instruments of windowing, its structure more complicated, the speed of windowing is slow, influences the duration.
Summary of the invention
The utility model purpose is to provide a kind of instrument that the down-hole casing milling is windowed that is used for simple in structure.
Employing technical scheme of the present utility model is: it mainly is made up of body 1, smear metal structure, chip area 7, runner and hydrophthalmia; The smear metal structure mainly is made up of some upright planes 2, transverse plane 4, upright end face 5, upright side 6; There is a tapped hole appropriate location, body 1 middle part; There is a locating cone 3 that protrudes at transverse plane 4 centers, and locating cone 3 is the conical cylinder shape, and locating cone 3 integral body are covered and are welded with the polycrystalline diamond fragment; Transverse plane 4 is processed into the inclined-plane, and transverse plane 4 is a petal-shaped, and petal with locating cone 3 centers in the shape of a spiral line dextrorotation arrange or be symmetric mode and arrange; Found PDC (composite polycrystal-diamond) tooth of evenly arranging on the end face 5; All cover on the fillet surface between upright plane 2, transverse plane 4, upright side 6, chip area 7 and upright plane 2 and the body 1 and be welded with the polycrystalline diamond fragment; Locating cone 3 centers overlap or are offset certain distance with transverse plane 4 centers; Locating cone 3 can also be a cylindrical shape; The petal-shaped of transverse plane 4 can also be symmetric mode with locating cone 3 centers and arrange.
Advantage of the present utility model is: the instrument of windowing has unique cutting structure, makes that casing sidetracking speed is fast, reliability is high, and the window quality of leaving on the sleeve pipe is good.
Description of drawings
Fig. 1 the utility model structural representation;
Fig. 2 the utility model left view.
Specific embodiments
The utility model is described in more detail below in conjunction with accompanying drawing.
With reference to the accompanying drawings 1, shown in the accompanying drawing 2, the utility model mainly is made up of body 1, smear metal structure, chip area 7, runner and hydrophthalmia; The smear metal structure mainly is made up of some upright planes 2, transverse plane 4, upright end face 5, upright side 6; There is a tapped hole appropriate location, body 1 middle part; There is a locating cone 3 that protrudes at transverse plane 4 centers, and locating cone 3 is a cone shape, and locating cone 3 integral body are covered and are welded with the polycrystalline diamond fragment; Transverse plane 4 is processed into the inclined-plane, and transverse plane 4 is a petal-shaped, and petal with locating cone 3 centers in the shape of a spiral line dextrorotation arrange or be symmetric mode and arrange; Found PDC (composite polycrystal-diamond) tooth of evenly arranging on the end face 5; All cover on the fillet surface between upright plane 2, transverse plane 4, upright side 6, chip area 7 and upright plane 2 and the body 1 and be welded with the polycrystalline diamond fragment; Locating cone 3 centers overlap or are offset certain distance with transverse plane 4 centers; Locating cone 3 can also be a cylindrical shape; The petal-shaped of transverse plane 4 can also be symmetric mode with locating cone 3 centers and arrange.
The utility model operating principle is: the Multilateral Wells instrument of windowing utilizes the female hole of its appropriate location, body 1 middle part to be used pinning to link to each other with whipstock, pinning is cut off in pressurization after treating under the utility model the precalculated position, ground applies certain the pressure of the drill, start the rotating disk rotation, carry out windowing task.
Claims (3)
1. Multilateral Wells instrument of windowing, it mainly is made up of body (1), smear metal structure, chip area (7), runner and hydrophthalmia, it is characterized in that: the smear metal structure mainly is made up of some upright planes (2), transverse plane (4), upright end face (5), upright side (6); There is a tapped hole appropriate location, body (1) middle part; There is a locating cone (3) that protrudes at transverse plane (4) center, and locating cone (3) is conical cylinder shape or cylindrical shape, and locating cone (3) integral body is covered and is welded with the polycrystalline diamond fragment; Transverse plane (4) is processed into the inclined-plane, and transverse plane (4) is a petal-shaped, and petal with locating cone (3) center in the shape of a spiral line dextrorotation arrange or be symmetric mode and arrange; Found the PDC tooth of evenly arranging on the end face (5); All cover on the fillet surface between upright plane (2), transverse plane (4), upright side (6), chip area (7) and upright plane (2) and the body (1) and be welded with the polycrystalline diamond fragment.
2. a kind of Multilateral Wells as claimed in claim 1 instrument of windowing, it is characterized in that: locating cone (3) center overlaps or is offset with transverse plane (4) center.
3. as claim 1 or the described a kind of Multilateral Wells of claim 2 instrument of windowing, it is characterized in that: the petal-shaped of transverse plane (4) can also locating cone (3) center be symmetric mode and arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720183322XU CN201125693Y (en) | 2007-09-22 | 2007-09-22 | Branch well open window tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720183322XU CN201125693Y (en) | 2007-09-22 | 2007-09-22 | Branch well open window tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201125693Y true CN201125693Y (en) | 2008-10-01 |
Family
ID=39999164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720183322XU Expired - Lifetime CN201125693Y (en) | 2007-09-22 | 2007-09-22 | Branch well open window tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201125693Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162343A (en) * | 2011-04-14 | 2011-08-24 | 中国海洋石油总公司 | Milling shoes for casing window sidetracking |
| CN103556951A (en) * | 2013-10-29 | 2014-02-05 | 中国石油化工股份有限公司 | Casing windowing drill bit |
-
2007
- 2007-09-22 CN CNU200720183322XU patent/CN201125693Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162343A (en) * | 2011-04-14 | 2011-08-24 | 中国海洋石油总公司 | Milling shoes for casing window sidetracking |
| CN102162343B (en) * | 2011-04-14 | 2014-02-12 | 中国海洋石油总公司 | Milling shoes for casing window sidetracking |
| CN103556951A (en) * | 2013-10-29 | 2014-02-05 | 中国石油化工股份有限公司 | Casing windowing drill bit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090109 Address after: Hongyan Karamay Road, the Xinjiang Uygur Autonomous Region No. 80, zip code: 834000 Patentee after: Western Drilling Kelamayi Drilling Technology Institute Address before: Hongyan Karamay Road, the Xinjiang Uygur Autonomous Region No. 80, zip code: 834000 Patentee before: Research Inst of Drilling Technology, Xinjiang Petroleum Administration |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Patentee Correct: Western Drilling Kelamayi Drilling Technology Institute False: Western drilling Kelamayi Drilling Technology Research Institute Number: 5 Page: 812 Volume: 25 |
|
| ASS | Succession or assignment of patent right |
Owner name: WEST DRILLING KARAMAY DRILLING CRAFT RESEARCH INST Free format text: FORMER OWNER: DRILLING WELL TECHNOLOGY INSTITUTE, PETROLEUM ADMINISTRATION BUREAU, XINJIANG Effective date: 20090109 |
|
| ERR | Gazette correction |
Free format text: CORRECT: PATENTEE; FROM: WEST KELAMAYI DRILLING CRAFT RESEARCH INSTITUTE TO: WEST DRILLING KARAMAY DRILLING CRAFT RESEARCH INSTITUTE |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081001 |
|
| CX01 | Expiry of patent term |