CN105888592B - Efficient well dressing tool - Google Patents
Efficient well dressing tool Download PDFInfo
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- CN105888592B CN105888592B CN201410591165.0A CN201410591165A CN105888592B CN 105888592 B CN105888592 B CN 105888592B CN 201410591165 A CN201410591165 A CN 201410591165A CN 105888592 B CN105888592 B CN 105888592B
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- 238000005520 cutting process Methods 0.000 claims abstract description 100
- 239000012530 fluid Substances 0.000 claims description 14
- 238000013019 agitation Methods 0.000 claims description 13
- 238000005553 drilling Methods 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 3
- 241000219109 Citrullus Species 0.000 description 2
- 235000012828 Citrullus lanatus var citroides Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a kind of efficiently well dressing tool, including upper segment of cutting, the lower end of the upper segment of cutting is connected with lower segment of cutting by the first linkage section in the axial direction, the upper end of the upper segment of cutting is connected with the first connector for being connected with well casing post, the lower end of the lower segment of cutting is connected with the second connector for being connected with well casing post, and the cross-sectional diameter of first linkage section is less than the cross-sectional diameter of upper segment of cutting and the cross-sectional diameter of lower segment of cutting.Efficiently well dressing tool of the invention is advantageous to improve hole quality, ensures setting of casing, well cementing operation, and is advantageous to synergy of raising speed, and shortens drilling period.
Description
Technical field
The present invention relates to a kind of dressing tool, espespecially a kind of efficiently well dressing tool.
Background technology
As oil-gas field development enters the middle and later periods, oil field development difficulty progressively increases, and annular space builds the pressure, shallow-layer undergauge, leakage
Taken place frequently etc. complex situations.In order to ensure downhole safety, in wellbore construction, drilling crew has to take short trip, and drifting is drawn
Eye, reaming hole, or even the technical measures such as leak stopping, this will have a strong impact on drilling well timeliness.
After Deep Wells In Tarim completion, the problem of setting of casing difficulty be present.Main reason is that phenomena such as keyway be present in well, by
Keyway position is arrived under well depth, sleeve pipe, it is possible to be directly clamped among on the borehole wall, cause not going under sleeve pipe.
In order to solve this problem, the current practice of Tarim Basin is, in addition to drilling process is with regard to multiple reaming, after finishing drilling again
With watermelon peel drill bit drifting, general no longer band drill collar.Because watermelon peel drill bit and borehole wall contact surface are a points, drifting efficiency is very
Lowly.In order to ensure sleeve pipe can safe tripping in, be often first one centralizer drifting of band, smoothly after two centralizers of band again, typically
Accomplish four centralizers of band.So make a trip often, delay length, sometimes up to two or three months.
The content of the invention
It is an object of the invention to provide a kind of efficiently well dressing tool, it is advantageous to improve hole quality, under guarantee
Sleeve pipe, well cementing operation, and be advantageous to synergy of raising speed, shorten drilling period.
To achieve these goals, technical solution of the invention is：A kind of efficiently well dressing tool, including
Upper segment of cutting, the lower end of the upper segment of cutting are connected with lower segment of cutting, the upper cutting by the first linkage section in the axial direction
The upper end of section is connected with the first connector for being connected with well casing post, and the lower end of the lower segment of cutting, which is connected with, to be used for and well casing
Second connector of post connection, the cross-sectional diameter of first linkage section are less than the cross-sectional diameter of upper segment of cutting and lower cutting
The cross-sectional diameter of section.
Efficiently well dressing tool of the invention, wherein the outer surface top of first linkage section is connected with agitation hammer, institute
The cross-sectional diameter for stating agitation hammer is more than the cross-sectional diameter of the first linkage section.
Efficiently well dressing tool of the invention, wherein the outer surface of the agitation hammer has been evenly distributed six grooves, respectively
The cross section angle of bar groove is 60 °, and each groove outer is respectively arranged with the 3rd wear-resistant strip along cutting direction.
Efficiently well dressing tool of the invention, wherein the outer surface bottom of first linkage section is connected with fluid speedup lamp
Bubble, the cross-sectional diameter of the fluid speedup bulb are more than the cross-sectional diameter of the first linkage section, and less than upper segment of cutting and under
The cross-sectional diameter of segment of cutting.
Efficiently well dressing tool of the invention, wherein the fluid speedup bulb is by the first big round estrade of the small bottom in top
With the second small round estrade of the big bottom in top in up and down connecting and composing, the bottom surface of first round estrade is upper with the second round estrade
Surface configuration is identical and the two is overlapped.
Efficiently well dressing tool of the invention, cuts wherein the outer surface of the upper segment of cutting has been evenly distributed four first
Cut sword, on each first cutting edge along rotate to front side be respectively arranged with the first wear-resistant strip, the cross section of first cutting edge
Angle is 60 °.
Efficiently well dressing tool of the invention, wherein the outer surface that section is cut in the incision has been evenly distributed four second and cut
Cut sword, on each second cutting edge along rotate to front side be respectively arranged with the second wear-resistant strip, the cross section of second cutting edge
Angle is 60 °, and the upper segment of cutting is opposite with the rotation direction of lower segment of cutting.
Efficiently well dressing tool of the invention, wherein being connected with upper end flexibility between the upper segment of cutting and the first connector
Section, the cross-sectional diameter of the upper end compliant section are straight less than the cross-sectional diameter of upper segment of cutting and the cross section of the first connector
Footpath, is connected with lower end compliant section between the lower segment of cutting and the second connector, the cross-sectional diameter of the lower end compliant section is small
In the cross-sectional diameter of lower segment of cutting and the cross-sectional diameter of the second connector.
Efficiently well dressing tool of the invention, wherein being connected with transition between the upper end compliant section and upper segment of cutting
Section, is connected with lower changeover portion, the outer surface of the upper changeover portion and lower changeover portion between the lower end compliant section and lower segment of cutting
Outer surface be inlaid with PDC teeth respectively.
Efficiently well dressing tool of the invention, wherein first connector is box end, the second connector is pin end.
After such scheme, efficiently well dressing tool has the advantages that the present invention：
1st, designed by the bidirectional rotation of upper segment of cutting and lower segment of cutting, and four the first cutting edges of upper segment of cutting, under
The design of four the second cutting edges of segment of cutting, make the efficiency high of the finishing borehole wall, and it is more thorough；
2nd, the design of fluid speedup bulb, be advantageous to cutting carring, ensure well cleaning；
3rd, changeover portion is connected between upper end compliant section and upper segment of cutting, is connected between lower end compliant section and lower segment of cutting
Lower changeover portion, and PDC teeth are inlayed in the outer surface of upper changeover portion and the outer surface of lower changeover portion respectively, so design is repaired to well
It is more efficient, while play a part of reducing resistance；
4th, upper end compliant section is connected between upper segment of cutting and the first connector, is connected between lower segment of cutting and the second connector
Lower end compliant section is connect, using such flexible design, and the tool external diameter is slightly smaller, is advantageous to the instrument and goes out, enters well；
5th, the instrument realizes the cutting to borehole wall moment, impulsive force is bigger, right by rotating caused swing with drill string
The crushing force of rock of borehole is bigger, and stock-removing efficiency is higher；
6th, whole instrument is integral, safe without mechanical movable part.
Brief description of the drawings
Fig. 1 is the half-sectional structure of the main view of efficiently well dressing tool of the invention；
Fig. 2 is the cross-sectional profile schematic diagram of Fig. 1 upper segment of cutting part；
Fig. 3 is the cross-sectional profile schematic diagram of Fig. 1 lower segment of cutting part；
Fig. 4 is the cross-sectional profile schematic diagram of Fig. 1 agitation hammer portion point.
Below in conjunction with the accompanying drawings, by embodiment, the present invention is described further；
Embodiment
As depicted in figs. 1 and 2, the efficient well dressing tool of the present invention, it is flexible by the first connector 1, upper end from top to bottom
Section 2, upper changeover portion 3, upper segment of cutting 4, the first linkage section 5, agitation hammer 6, fluid speedup bulb 7, lower segment of cutting 8, lower changeover portion
9th, the connector 11 of lower end compliant section 10 and second is sequentially connected composition, and the axial line of each part overlaps, and axial line for vertically to；
First connector 1 is box end, and the second connector 11 is pin end, is respectively used to be connected with well casing post, herein
Can be by coordinating joint to connect；
The cross-sectional diameter of upper end compliant section 2 is less than the cross-sectional diameter of upper segment of cutting 3 and the cross section of the first connector 1
Diameter, the cross-sectional diameter of lower end compliant section 10 are less than the cross-sectional diameter of lower segment of cutting 8 and the cross section of the second connector 11
Diameter, upper end compliant section 2, lower end compliant section 10 realize the instrument and produce swing during quick rotation in well, herein upper end
Compliant section 2 is slightly more longer than lower end compliant section 10；
The outer surface of upper segment of cutting 4 has been evenly distributed four the first cutting edges 12, and edge rotates on each first cutting edge 12
The first wear-resistant strip 13, the cross section angle of the first cutting edge 12 are respectively welded on front side of to (for the direction that turned clockwise in figure)
For 60 °, the outer surface of lower segment of cutting 8 has been evenly distributed four the second cutting edges 14, on each second cutting edge 14 along rotate to
The second wear-resistant strip 15 is respectively welded on front side of (for rotate counterclockwise direction in figure), the cross section angle of the second cutting edge 14 is
60 °, the rotation direction of upper segment of cutting 4 and lower segment of cutting 8 makes instrument on the contrary, being so designed that for upper segment of cutting 4 and lower segment of cutting 8
During by the same borehole wall, the borehole wall will be by two kinds of antipodal cuttings in direction, and well is repaired more fully, thoroughly, if
It is to strengthen the use longevity of the first cutting edge 12, the second cutting edge 14 respectively to put the first wear-resistant strip 13 and the second wear-resistant strip 15
Life；
The cross-sectional diameter of first linkage section 5 is straight less than the cross-sectional diameter of upper segment of cutting 4 and the cross section of lower segment of cutting 8
Footpath, the outer surface top connection agitation hammer 6 of the first linkage section 5, the outer surface of agitation hammer 6 has been evenly distributed six grooves 16,
The design of the groove 16 can further realize the agitation to above returning drilling fluid, and the drilling cuttings allowed after cutting is along on its direction of groove 16
Return, avoid settling herein, the cross section of each bar groove 16 is back taper, and its angle is 60 °, and so design makes it have stirring
The similar functions of machine lifting system, the outer of each groove 16 are respectively arranged with the 3rd wear-resistant strip 20, agitation hammer 6 along cutting direction
Cross-sectional diameter be more than the first linkage section 5 cross-sectional diameter；The outer surface bottom connecting fluid speedup lamp of first linkage section 5
Bubble 7, fluid speedup bulb 7 are presented by the second small round estrade 18 of the big big bottom of the first round estrade 17 and top in the small bottom in top
Under connect and compose, the bottom surface of the first round estrade 17 it is identical with the upper surface shape of the second round estrade 18 and the two overlap, fluid increase
The cross-sectional diameter of fast bulb 7 is more than the cross-sectional diameter of the first linkage section 5, and less than upper segment of cutting 4 and the horizontal stroke of lower segment of cutting 8
Diameter of section, fluid speedup bulb 7 will carry out speedup to the drilling fluid above returned, the drilling cuttings after agitation cutting, avoid settling herein；
The outer surface of upper changeover portion 3 and the outer surface of lower changeover portion 9 are inlaid with PDC teeth 19, upper changeover portion 3 and lower mistake respectively
Cross being so designed that for section 19, when the instrument contacts with keyway, realize to keyway cutting finishing, and design PDC teeth 19 be for
Reach the purpose of cutting.
Efficiently well dressing tool of the invention can concatenate 2-3 root drilling rods in actual use the instrument lower end, it
The instrument is concatenated in those drilling rod lower ends again afterwards, improves the dressing efficiency of well.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the scope of the present invention
It is defined, on the premise of design spirit of the present invention is not departed from, technology of this area ordinary skill technical staff to the present invention
The various modifications and improvement that scheme is made, it all should fall into the protection domain of claims of the present invention determination.
Claims (7)
- A kind of 1. efficiently well dressing tool, it is characterised in that：Including upper segment of cutting, the lower end edge axis side of the upper segment of cutting Be connected with lower segment of cutting to by the first linkage section, the upper end of the upper segment of cutting be connected with for be connected with well casing post first Connector, the lower end of the lower segment of cutting are connected with the second connector for being connected with well casing post, first linkage section Cross-sectional diameter is less than the cross-sectional diameter of upper segment of cutting and the cross-sectional diameter of lower segment of cutting, the appearance of first linkage section Face bottom is connected with fluid speedup bulb, and the cross-sectional diameter of the fluid speedup bulb is straight more than the cross section of the first linkage section Footpath, and less than upper segment of cutting and the cross-sectional diameter of lower segment of cutting, the outer surface of the upper segment of cutting has been evenly distributed four First cutting edge, on each first cutting edge along rotate to front side be respectively arranged with the first wear-resistant strip, first cutting edge Cross section angle is 60 °, and the outer surface of the lower segment of cutting has been evenly distributed four the second cutting edges, on each second cutting edge Along rotate to front side be respectively arranged with the second wear-resistant strip, the cross section angle of second cutting edge is 60 °, the upper cutting Section is opposite with the rotation direction of lower segment of cutting.
- 2. efficiently well dressing tool as claimed in claim 1, it is characterised in that：The outer surface top of first linkage section Agitation hammer is connected with, the cross-sectional diameter of the agitation hammer is more than the cross-sectional diameter of the first linkage section.
- 3. efficiently well dressing tool as claimed in claim 2, it is characterised in that：The outer surface of the agitation hammer is circumferentially equal Six grooves are furnished with, the cross section angle of each bar groove is 60 °, and each groove outer is respectively arranged with the 3rd along cutting direction Wear-resistant strip.
- 4. efficiently well dressing tool as claimed in claim 1, it is characterised in that：The fluid speedup bulb by top it is small under The second small round estrade of the big big bottom of the first round estrade and top in portion is in connect and compose up and down, the bottom surface of first round estrade And the two coincidence identical with the upper surface shape of the second round estrade.
- 5. efficiently well dressing tool as claimed in claim 1, it is characterised in that：The upper segment of cutting and the first connector it Between be connected with upper end compliant section, the cross-sectional diameter of the upper end compliant section is less than the cross-sectional diameter of upper segment of cutting and first connected The cross-sectional diameter of joint, lower end compliant section, the lower end compliant section are connected between the lower segment of cutting and the second connector Cross-sectional diameter be less than lower segment of cutting cross-sectional diameter and the second connector cross-sectional diameter.
- 6. efficiently well dressing tool as claimed in claim 5, it is characterised in that：The upper end compliant section and upper segment of cutting it Between be connected with changeover portion, be connected with lower changeover portion between the lower end compliant section and lower segment of cutting, the upper changeover portion it is outer Surface and the outer surface of lower changeover portion are inlaid with PDC teeth respectively.
- 7. efficiently well dressing tool as claimed in claim 1, it is characterised in that：First connector is box end, the Two connectors are pin end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591165.0A CN105888592B (en) | 2014-10-30 | 2014-10-30 | Efficient well dressing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591165.0A CN105888592B (en) | 2014-10-30 | 2014-10-30 | Efficient well dressing tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105888592A CN105888592A (en) | 2016-08-24 |
| CN105888592B true CN105888592B (en) | 2018-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410591165.0A Active CN105888592B (en) | 2014-10-30 | 2014-10-30 | Efficient well dressing tool |
Country Status (1)
| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677706A (en) * | 2016-12-19 | 2017-05-17 | 四川宏华电气有限责任公司 | Control method and system for automatic redressing of winch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011031164A1 (en) * | 2009-09-10 | 2011-03-17 | Bruce Allan Flanders | Well tool and method for severing and withdrawing a pipe section from a pipe string in a well |
| CN102691477A (en) * | 2012-06-19 | 2012-09-26 | 东北石油大学 | Rock debris cleaning device for drilling tool |
| CN202900078U (en) * | 2012-11-21 | 2013-04-24 | 重庆科技学院 | Horizontal well section cuttings bed cleaning tool |
| CN203097830U (en) * | 2013-01-10 | 2013-07-31 | 中国石油天然气股份有限公司 | Oil field well drilling borehole dressing tool |
| CN204200136U (en) * | 2014-10-30 | 2015-03-11 | 新疆格瑞迪斯石油技术股份有限公司 | Efficient well dressing tool |
-
2014
- 2014-10-30 CN CN201410591165.0A patent/CN105888592B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011031164A1 (en) * | 2009-09-10 | 2011-03-17 | Bruce Allan Flanders | Well tool and method for severing and withdrawing a pipe section from a pipe string in a well |
| CN102691477A (en) * | 2012-06-19 | 2012-09-26 | 东北石油大学 | Rock debris cleaning device for drilling tool |
| CN202900078U (en) * | 2012-11-21 | 2013-04-24 | 重庆科技学院 | Horizontal well section cuttings bed cleaning tool |
| CN203097830U (en) * | 2013-01-10 | 2013-07-31 | 中国石油天然气股份有限公司 | Oil field well drilling borehole dressing tool |
| CN204200136U (en) * | 2014-10-30 | 2015-03-11 | 新疆格瑞迪斯石油技术股份有限公司 | Efficient well dressing tool |
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| Publication number | Publication date |
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| CN105888592A (en) | 2016-08-24 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: High efficiency hole dressing tool Effective date of registration: 20220325 Granted publication date: 20180403 Pledgee: Agricultural Bank of China Limited Bayingolin branch Pledgor: XINJIANG GRAND OILFIELD TECHNOLOGY Co.,Ltd. Registration number: Y2022650000012 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230320 Granted publication date: 20180403 Pledgee: Agricultural Bank of China Limited Bayingolin branch Pledgor: XINJIANG GRAND OILFIELD TECHNOLOGY Co.,Ltd. Registration number: Y2022650000012 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Efficient borehole dressing tool Effective date of registration: 20230322 Granted publication date: 20180403 Pledgee: Agricultural Bank of China Limited Bayingolin branch Pledgor: XINJIANG GRAND OILFIELD TECHNOLOGY Co.,Ltd. Registration number: Y2023980035709 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20180403 Pledgee: Agricultural Bank of China Limited Bayingolin branch Pledgor: XINJIANG GRAND OILFIELD TECHNOLOGY Co.,Ltd. Registration number: Y2023980035709 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |