CN201401142Y - Horizontal well high-efficiency composite mill shoe - Google Patents
Horizontal well high-efficiency composite mill shoe Download PDFInfo
- Publication number
- CN201401142Y CN201401142Y CN2008202315716U CN200820231571U CN201401142Y CN 201401142 Y CN201401142 Y CN 201401142Y CN 2008202315716 U CN2008202315716 U CN 2008202315716U CN 200820231571 U CN200820231571 U CN 200820231571U CN 201401142 Y CN201401142 Y CN 201401142Y
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- CN
- China
- Prior art keywords
- junk mill
- mill shoe
- hard alloy
- mill body
- shoe body
- 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
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 9
- 239000000956 alloy Substances 0.000 claims abstract description 21
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims description 10
- 238000005476 soldering Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000005219 brazing Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000003801 milling Methods 0.000 description 6
- 238000000227 grinding Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model relates to a horizontal well high-efficiency composite mill shoe for horizontal well and straight well repairing, which comprises a connector, a mill shoe body, a keyway type ball, an octagonal hard alloy tooth and a bump-type YD hard alloy particle mill shoe body; the bottom surface and the side surface of the mill shoe body are provided with overflow sinks; the mill shoe body is provided with a water eye, the connector and a mill shoe screw thread from up to down; the keyway type ball is arranged in a ball slot on the side surface of the mill shoe body; and then the octagonal hard alloy tooth is arranged in a pre-reserved hole of the overflow sink on the bottom surface of the mill shoe body, and connected by brazing; the bump-type YD hard alloy particle mill shoe body is formed by YD hard alloy by surfacing welding; and the octagonal hard alloy tooth is connected with the bump-type YD hard alloy particle mill shoe body by welding. The horizontal well high-efficiencycomposite mill shoe solves the problems that the prior mill shoe is easy to outwear the sleeve and mills new boreholes in the well repairing process, and can be widely applied to horizontal and straight well repairing.
Description
Technical field:
The utility model relates to a kind of horizontal well efficient composite junk mill that horizontal well, straight well workover treatment are used.
Background technology:
The oil field mainly contains following several junk mill through efficient milling shoes commonly used at present: flat junk mill: being used for the down-hole small article, is the common tool of repairing top of fish; Concave bottom junk mill: be used to grind down-hole smallclothes junk and other unstable junk; Neck eye junk mill: be used for the junk that milling has endoporus and rocks in the down-hole; The taper junk mill: be used to repair the little local distortion of sleeve pipe, cleaning borehole wall foreign material, the shortcoming that above-mentioned several junk mills commonly used often occur is to be prone to the sleeve pipe of grinding away in the well workover process; The side milling well that makes new advances.
The utility model content:
The purpose of this utility model provides a kind of horizontal well efficient composite junk mill, and it has solved the existing efficient milling shoes that exists in the prior art and be prone to the sleeve pipe of grinding away in the well workover process; The make new advances problem of well of side milling.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of horizontal well efficient composite junk mill is by fittings body, the junk mill body, keyway formula spin, eight prismatic hard-metal inserts, concave-convex type YD hard alloy particle junk mill body is formed: be provided with tank in junk mill body bottom surface and side, the junk mill body is provided with hydrophthalmia from top to bottom, fittings body and the screwed connection of junk mill body, keyway formula ball is contained in the ball grooves of junk mill body side surface, again eight prismatic hard-metal inserts are packed into the bottom surface of junk mill body crosses that soldering connects in the tank preformed hole, be welded into concave-convex type YD hard alloy particle junk mill body with the YD carbide reactor, eight prismatic hard-metal inserts and concave-convex type YD hard alloy particle junk mill body are welded to connect; Horizontal well efficient composite junk mill is to be the instrument of grinding trouble of lost tool in hole and repairing top of fish with carbide alloy eight prisms of bottom surface welding-on or built-up welding YD hard alloy particle junk mill body.Be mainly used in grinding down-hole smallclothes junk and other unstable junk.As steel ball, bolt, nut, big gun mat, drilling rod, gear wheel etc.; The design feature of this junk mill is integral threaded connection assembly welding structure, and these footwear have two kinds: a kind of is that ground is 5 °-30 ° matrix particle junk mill bodies, and it is suitable for firm hard formation; Another kind is a convex particle junk mill body, and it is suitable for soft formation.When this junk mill was used for the open hole eye, its external diameter should be littler by 10% than well, and the junk mill external diameter should be than the little 6.5mm of casing inner diameter when using in sleeve pipe.
The beneficial effects of the utility model are: simple in structure, and utilize eight prismatic carbide alloy, the YD carbide alloy junk mill of the built-up welding of bottom surface institute to go the interior fish tubing string of comprehensive milling well can increase work efficiency 2-3 doubly; The keyway formula ball assembly that centralizing function has been arranged on the junk mill cylinder, the radial frictional force that produces when offsetting grinding does not grind inclined to one side internal surface of sleeve pipe when junk mill is worked in well.
Description of drawings:
Fig. 1 is the utility model overall structure matrix particle junk mill body schematic diagram.
Fig. 2 is the utility model overall structure convex particle junk mill body schematic diagram.
Fig. 3 is the utility model right view.
Among the figure 1, fittings body, 2, the junk mill body, 3, keyway formula ball, 4, eight prismatic hard-metal inserts, 5, concave-convex type YD hard alloy particle junk mill body.
The specific embodiment:
At Fig. 1, among Fig. 2, a kind of horizontal well efficient composite junk mill is by fittings body 1, junk mill body 2, keyway formula ball 3, eight prismatic hard-metal inserts 4, concave-convex type YD hard alloy particle junk mill body 5 is formed: be provided with tank in junk mill body 2 bottom surfaces and side, the junk mill body is provided with hydrophthalmia from top to bottom, fittings body 1 and 2 screwed connections of junk mill body, keyway formula ball 3 is contained in the ball grooves of junk mill body 1 side, again eight prismatic hard-metal inserts 4 are packed into the bottom surface of junk mill body 2 crosses that soldering connects in the tank preformed hole, being welded into concave-convex type YD hard alloy particle junk mill body 5, eight prismatic hard-metal inserts 4 with the YD carbide reactor is welded to connect with concave-convex type YD hard alloy particle junk mill body 5; This junk mill has two kinds: a kind of is that ground is 5 °-30 ° matrix particle junk mill bodies, and it is suitable for firm hard formation; Another kind is a convex particle junk mill body, and it is suitable for soft formation.When this junk mill was used for the open hole eye, its external diameter should be littler by 10% than well, and the junk mill external diameter should be than the little 6.5mm of casing inner diameter when using in sleeve pipe.
Claims (1)
1, a kind of horizontal well efficient composite junk mill is by fittings body (1), junk mill body (2), keyway formula ball (3), eight prismatic hard-metal inserts (4), concave-convex type YD hard alloy particle junk mill body is formed (5), it is characterized in that: be provided with tank in junk mill body (2) bottom surface and side, the junk mill body is provided with hydrophthalmia from top to bottom, fittings body (1) and junk mill body (2) screwed connection, keyway formula ball (3) is contained in the ball grooves of junk mill body (1) side, again eight prismatic hard-metal inserts (4) are packed into the bottom surface of junk mill body (2) crosses that soldering connects in the tank preformed hole, be welded into concave-convex type YD hard alloy particle junk mill body (5) with the YD carbide reactor, eight prismatic hard-metal inserts (4) are welded to connect with concave-convex type YD hard alloy particle junk mill body (5); When this junk mill was used for the open hole eye, its external diameter should be littler by 10% than well, and the junk mill external diameter should be than the little 6.5mm of casing inner diameter when using in sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008202315716U CN201401142Y (en) | 2008-12-12 | 2008-12-12 | Horizontal well high-efficiency composite mill shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008202315716U CN201401142Y (en) | 2008-12-12 | 2008-12-12 | Horizontal well high-efficiency composite mill shoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201401142Y true CN201401142Y (en) | 2010-02-10 |
Family
ID=41660942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008202315716U Expired - Fee Related CN201401142Y (en) | 2008-12-12 | 2008-12-12 | Horizontal well high-efficiency composite mill shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201401142Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775014A (en) * | 2012-12-14 | 2014-05-07 | 贵州高峰石油机械股份有限公司 | Grinding shoe used for grinding and milling under the shaft of oil field and manufacturing method thereof |
| CN104259709A (en) * | 2014-09-23 | 2015-01-07 | 菏泽市恒大石油机械配件厂 | Production method of grinding shoes, milling shoes or milling drums |
| CN104439589A (en) * | 2014-10-31 | 2015-03-25 | 中国石油化工股份有限公司 | Shoe milling tool and manufacturing process thereof |
| CN104533328A (en) * | 2014-12-08 | 2015-04-22 | 沈阳航空航天大学 | Novel oil well casing pipe repair tool |
| CN104747111A (en) * | 2013-12-26 | 2015-07-01 | 贵州高峰石油机械股份有限公司 | Method for improving grinding efficiency of grind shoe and impregnated grind shoe |
| CN105257231A (en) * | 2015-10-22 | 2016-01-20 | 中国石油化工股份有限公司 | Extruding and drilling integral milling shoe |
| CN104514506B (en) * | 2014-12-18 | 2018-03-27 | 贵州高峰石油机械股份有限公司 | The improved method of junk mill and the spiral impregnated type junk mill with reaming hole function |
| CN108843264A (en) * | 2018-05-26 | 2018-11-20 | 锦州清华机械有限公司 | The multi-functional milling cone of line cutting type |
| CN110410029A (en) * | 2019-08-02 | 2019-11-05 | 盐城市东荣石油机械有限公司 | A kind of efficient variable diameter junk mill |
| CN115142805A (en) * | 2022-06-09 | 2022-10-04 | 淮安市井神钻采机具有限公司 | Composite milling shoe |
-
2008
- 2008-12-12 CN CN2008202315716U patent/CN201401142Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775014B (en) * | 2012-12-14 | 2017-07-11 | 贵州高峰石油机械股份有限公司 | A kind of oil field well milling junk mill |
| CN103775014A (en) * | 2012-12-14 | 2014-05-07 | 贵州高峰石油机械股份有限公司 | Grinding shoe used for grinding and milling under the shaft of oil field and manufacturing method thereof |
| CN104747111A (en) * | 2013-12-26 | 2015-07-01 | 贵州高峰石油机械股份有限公司 | Method for improving grinding efficiency of grind shoe and impregnated grind shoe |
| CN104259709A (en) * | 2014-09-23 | 2015-01-07 | 菏泽市恒大石油机械配件厂 | Production method of grinding shoes, milling shoes or milling drums |
| CN104259709B (en) * | 2014-09-23 | 2016-02-03 | 菏泽市恒大石油机械配件厂 | The manufacture method of a kind of junk mill, milling shoe or casing section mill |
| CN104439589A (en) * | 2014-10-31 | 2015-03-25 | 中国石油化工股份有限公司 | Shoe milling tool and manufacturing process thereof |
| CN104439589B (en) * | 2014-10-31 | 2018-01-19 | 中国石油化工股份有限公司 | A kind of junk mill frock and its manufacturing process |
| CN104533328A (en) * | 2014-12-08 | 2015-04-22 | 沈阳航空航天大学 | Novel oil well casing pipe repair tool |
| CN104514506B (en) * | 2014-12-18 | 2018-03-27 | 贵州高峰石油机械股份有限公司 | The improved method of junk mill and the spiral impregnated type junk mill with reaming hole function |
| CN105257231A (en) * | 2015-10-22 | 2016-01-20 | 中国石油化工股份有限公司 | Extruding and drilling integral milling shoe |
| CN108843264A (en) * | 2018-05-26 | 2018-11-20 | 锦州清华机械有限公司 | The multi-functional milling cone of line cutting type |
| CN108843264B (en) * | 2018-05-26 | 2024-03-01 | 锦州清华机械有限公司 | Line cutting type multifunctional milling cone |
| CN110410029A (en) * | 2019-08-02 | 2019-11-05 | 盐城市东荣石油机械有限公司 | A kind of efficient variable diameter junk mill |
| CN115142805A (en) * | 2022-06-09 | 2022-10-04 | 淮安市井神钻采机具有限公司 | Composite milling shoe |
| CN115142805B (en) * | 2022-06-09 | 2024-06-04 | 淮安市井神钻采机具有限公司 | Composite grinding shoes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100210 Termination date: 20111212 |