CN105888592A - Efficient well hole trimming tool - Google Patents
Efficient well hole trimming tool Download PDFInfo
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- CN105888592A CN105888592A CN201410591165.0A CN201410591165A CN105888592A CN 105888592 A CN105888592 A CN 105888592A CN 201410591165 A CN201410591165 A CN 201410591165A CN 105888592 A CN105888592 A CN 105888592A
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- cutting
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- sectional diameter
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- 238000009966 trimming Methods 0.000 title abstract 3
- 238000005520 cutting process Methods 0.000 claims abstract description 103
- 239000012530 fluid Substances 0.000 claims description 14
- 238000013019 agitation Methods 0.000 claims description 13
- 238000005553 drilling Methods 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract 2
- 238000005266 casting Methods 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses an efficient well hole trimming tool which comprises an upper cutting section. The lower end of the upper cutting section is connected with a lower cutting section through a first connecting section in the axial direction, the upper end of the upper cutting section is connected with a first connector for being connected with a well pipe string, the lower end of the lower cutting section is connected with a second connector for being connected with the well pipe string, and the cross section diameter of the first connecting section is smaller than that of the upper cutting section and that of the lower cutting section. The efficient well hole trimming tool is beneficial to well hole quality, ensures casting running and well cementing operation and is also beneficial to efficiency improvement and shortening of a 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
Along with oil-gas field development enters middle and late stage, oil field development difficulty progressively strengthens, and the complex situations such as annular space builds the pressure, shallow-layer undergauge, leakage take place frequently.In order to ensure downhole safety, in wellbore construction, drilling crew has to take the technical measures such as short trip, drifting reaming, reaming hole, even leak stopping, and this will have a strong impact on drilling well timeliness.
After Deep Wells In Tarim completion, in the presence of the difficult problem of sleeve pipe.Main reason is that well exists the phenomenons such as keyway, due to well depth, to keyway position under 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 the most repeatedly reaming, again with Exocarpium Citrulli drill bit drifting, the most no longer band drill collar after finishing drilling.Because Exocarpium Citrulli drill bit and borehole wall contact surface are points, drifting efficiency is the lowest.In order to ensure sleeve pipe can safely under enter, be often first one centralizer drifting of band, smoothly after carry two centralizers again, typically to accomplish to carry four centralizers.So making a trip often, delay length, sometimes up to two or three months.
Summary of the invention
It is an object of the invention to provide a kind of efficiently well dressing tool, it is conducive to improving hole quality, it is ensured that setting of casing, well cementing operation, and is conducive to potentiation of raising speed, and shortens drilling period.
To achieve these goals, the technical solution of the present invention is: a kind of efficiently well dressing tool, including upper segment of cutting, the lower end edge axis direction of described upper segment of cutting is connected by the first linkage section lower segment of cutting, the upper end of described upper segment of cutting connects the first union joint for being connected with well casing post, the lower end of described lower segment of cutting connects the second union joint for being connected with well casing post, and the cross-sectional diameter of described first linkage section is less than cross-sectional diameter and the cross-sectional diameter of lower segment of cutting of upper segment of cutting.
The present invention efficient well dressing tool, the outer surface top of wherein said first linkage section connects agitation hammer, and the cross-sectional diameter of described agitation hammer is more than the cross-sectional diameter of the first linkage section.
The present invention efficient well dressing tool, the outer surface of wherein said agitation hammer has been evenly distributed six grooves, and the cross section angle of each bar groove is 60 °, and each described groove outer is respectively arranged with the 3rd wear-resistant strip along cutting direction.
The present invention efficient well dressing tool, the outer surface bottom of wherein said first linkage section connects fluid speedup bulb, the cross-sectional diameter of described fluid speedup bulb is more than the cross-sectional diameter of the first linkage section, and is less than upper segment of cutting and the cross-sectional diameter of lower segment of cutting.
The present invention efficient well dressing tool, wherein said fluid speedup bulb is by little the second Rotary-table in the big bottom of the first Rotary-table and top that little bottom, top is big in connecting and composing up and down, and the bottom surface of described first Rotary-table is identical with the upper surface shape of the second Rotary-table and the two overlaps.
The present invention efficient well dressing tool, the outer surface of wherein said upper segment of cutting has been evenly distributed four the first cutting edges, on each first cutting edge along rotate to front side be respectively arranged with the first wear-resistant strip, the cross section angle of described first cutting edge is 60 °.
The present invention efficient well dressing tool, the outer surface of wherein said 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 described second cutting edge is 60 °, and described upper segment of cutting is contrary with the rotation direction of lower segment of cutting.
The present invention efficient well dressing tool, connect between wherein said upper segment of cutting and the first union joint and have upper end compliant section, the cross-sectional diameter of described upper end compliant section is less than cross-sectional diameter and the cross-sectional diameter of the first union joint of upper segment of cutting, connecting between described lower segment of cutting and the second union joint and have lower end compliant section, the cross-sectional diameter of described lower end compliant section is less than cross-sectional diameter and the cross-sectional diameter of the second union joint of lower segment of cutting.
The present invention efficient well dressing tool, it is connected between wherein said upper end compliant section and upper segment of cutting and has upper changeover portion, being connected between described lower end compliant section with lower segment of cutting and have lower changeover portion, the outer surface of described upper changeover portion and the outer surface of lower changeover portion are inlaid with PDC tooth respectively.
The present invention efficient well dressing tool, wherein said first union joint is box end, and the second union joint is pin end.
After using such scheme, the present invention efficient well dressing tool has the advantages that
1, designed by the bidirectional rotation of upper segment of cutting with lower segment of cutting, and the design of four the second cutting edges of four the first cutting edges of upper segment of cutting, lower segment of cutting, the efficiency making the finishing borehole wall is high and more thorough；
2, the design of fluid speedup bulb, beneficially cutting carring, it is ensured that well cleans；
3, between upper end compliant section with upper segment of cutting, changeover portion it is connected, lower changeover portion it is connected between lower end compliant section with lower segment of cutting, and the upper outer surface of changeover portion and the outer surface of lower changeover portion to inlay PDC tooth, so design respectively higher to well dressing efficiency, simultaneously work as reducing the effect of resistance；
4, between upper segment of cutting and the first union joint, connect upper end compliant section, between lower segment of cutting and the second union joint, connect lower end compliant section, use such flexible design, and this tool external diameter is slightly smaller, be conducive to this instrument to go out, enter well；
5, the swing of generation when this instrument is by rotating with drill string, it is achieved the cutting to borehole wall moment, impulsive force is bigger, and bigger to the crushing force of rock of borehole, stock-removing efficiency is higher；
6, whole instrument is an entirety, does not has mechanical movable part, and safety is high.
Accompanying drawing explanation
Fig. 1 be the present invention efficient well dressing tool partly cut open structure schematic front view；
Fig. 2 is the cross-sectional profile schematic diagram of the upper segment of cutting part of Fig. 1；
Fig. 3 is the cross-sectional profile schematic diagram of the lower segment of cutting part of Fig. 1；
Fig. 4 is the cross-sectional profile schematic diagram of the agitation hammer part of Fig. 1.
Below in conjunction with the accompanying drawings, by embodiment, the present invention is described further；
Detailed description of the invention
As depicted in figs. 1 and 2, the present invention efficient well dressing tool, it is sequentially connected with is constituted by the first union joint 1, upper end compliant section 2, upper changeover portion 3, upper segment of cutting the 4, first linkage section 5, agitation hammer 6, fluid speedup bulb 7, lower segment of cutting 8, lower changeover portion 9, lower end compliant section 10 and the second union joint 11 from top to bottom, the axial line of each parts overlaps, and axial line be vertical to；
First union joint 1 is box end, and the second union joint 11 is pin end, is respectively used to be connected with well casing post, may be otherwise by coordinating joint to connect；
The cross-sectional diameter of upper end compliant section 2 is less than cross-sectional diameter and the cross-sectional diameter of the first union joint 1 of upper segment of cutting 3, the cross-sectional diameter of lower end compliant section 10 is less than cross-sectional diameter and the cross-sectional diameter of the second union joint 11 of lower segment of cutting 8, upper end compliant section 2, lower end compliant section 10 achieve to produce when this instrument quickly rotates in well and swing, and upper end compliant section 2 is more longer than lower end compliant section 10 herein；
nullThe outer surface of upper segment of cutting 4 has been evenly distributed four the first cutting edges 12，It is respectively welded the first wear-resistant strip 13 along rotation to the front side of (for the direction that turns clockwise in figure) on each first cutting edge 12，The cross section angle of the first cutting edge 12 is 60 °，The outer surface of lower segment of cutting 8 has been evenly distributed four the second cutting edges 14，It is respectively welded the second wear-resistant strip 15 along rotation to the front side of (for direction of rotation counterclockwise in figure) on each second cutting edge 14，The cross section angle of the second cutting edge 14 is 60 °，Upper segment of cutting 4 is contrary with the rotation direction of lower segment of cutting 8，Upper segment of cutting 4 is so designed that with lower segment of cutting 8，When making instrument at the same borehole wall，The borehole wall will be by two kinds of antipodal cuttings in direction，Well is repaired more abundant、Thoroughly，First wear-resistant strip 13 is set and the second wear-resistant strip 15 is to strengthen the first cutting edge 12 respectively、The service life of the second cutting edge 14；
The cross-sectional diameter of the first linkage section 5 is less than cross-sectional diameter and the cross-sectional diameter of lower segment of cutting 8 of upper segment of cutting 4, the outer surface top of the first linkage section 5 connects agitation hammer 6, the outer surface of agitation hammer 6 has been evenly distributed six grooves 16, the design of this groove 16 can realize further to the agitation above returning drilling fluid, the drilling cuttings after cutting is allowed to return along on its groove 16 direction, avoid settling at this, the cross section of each bar groove 16 is inverted cone, its angle is 60 °, so design makes it have blender and promotes the similar functions of system, the outer of each groove 16 is respectively arranged with the 3rd wear-resistant strip 20 along cutting direction, the cross-sectional diameter of agitation hammer 6 is more than the cross-sectional diameter of the first linkage section 5；The outer surface bottom of the first linkage section 5 connects fluid speedup bulb 7, fluid speedup bulb 7 by little the second Rotary-table 18 in the big bottom of the first Rotary-table 17 and top that little bottom, top is big in connecting and composing up and down, the bottom surface of the first Rotary-table 17 is identical with the upper surface shape of the second Rotary-table 18 and the two overlaps, the cross-sectional diameter of fluid speedup 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 cross-sectional diameter of lower segment of cutting 8, fluid speedup bulb 7 will carry out speedup to the drilling fluid above returned, drilling cuttings after agitation cutting, avoid settling at this；
The outer surface of upper changeover portion 3 and the outer surface of lower changeover portion 9 are inlaid with PDC tooth 19 respectively, being so designed that of upper changeover portion 3 and lower changeover portion 19, when this instrument contacts with keyway, it is achieved the cutting to keyway is repaired, and designing PDC tooth 19 is the purpose in order to reach cutting.
The present invention efficient well dressing tool, when actually used, can concatenate 2-3 root drilling rod, concatenate this instrument the most again in those drilling rod lower ends, improve the dressing efficiency of well this instrument lower end.
Embodiment described above is only to be described the preferred embodiment of the present invention; not the scope of the present invention is defined; on the premise of designing spirit without departing from the present invention; various deformation that technical scheme is made by this area ordinary skill technical staff and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (10)
1. an efficient well dressing tool, it is characterised in that: include segment of cutting, the lower end edge axis side of described upper segment of cutting
Having lower segment of cutting to being connected by the first linkage section, the upper end of described upper segment of cutting connects the first company having for being connected with well casing post
Joint, the lower end of described lower segment of cutting connects the second union joint for being connected with well casing post, described first linkage section transversal
Face diameter is less than cross-sectional diameter and the cross-sectional diameter of lower segment of cutting of upper segment of cutting.
2. efficiently well dressing tool as claimed in claim 1, it is characterised in that: the outer surface top of described first linkage section
Connecting and have agitation hammer, the cross-sectional diameter of described 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 described agitation hammer is the most equal
Being furnished with six grooves, the cross section angle of each bar groove is 60 °, and each described groove outer is respectively arranged with the 3rd along cutting direction
Wear-resistant strip.
4. efficiently well dressing tool as claimed in claim 2, it is characterised in that: the outer surface bottom of described first linkage section
Connecting and have fluid speedup bulb, the cross-sectional diameter of described fluid speedup bulb is more than the cross-sectional diameter of the first linkage section and little
In upper segment of cutting and the cross-sectional diameter of lower segment of cutting.
5. efficiently well dressing tool as claimed in claim 4, it is characterised in that: described fluid speedup bulb by top little under
Little the second Rotary-table in the big bottom of the first Rotary-table and top that portion is big in connecting and composing up and down, the bottom surface of described first Rotary-table with
The upper surface shape of the second Rotary-table is identical and the two overlaps.
6. efficiently well dressing tool as claimed in claim 1, it is characterised in that: the outer surface of described upper segment of cutting is circumferentially
Be evenly equipped with four the first cutting edges, on each first cutting edge along rotate to front side be respectively arranged with the first wear-resistant strip, described first
The cross section angle of cutting edge is 60 °.
7. efficiently well dressing tool as claimed in claim 6, it is characterised in that: the outer surface of described lower segment of cutting is circumferentially
Be evenly equipped with four the second cutting edges, on each second cutting edge along rotate to front side be respectively arranged with the second wear-resistant strip, described second
The cross section angle of cutting edge is 60 °, and described upper segment of cutting is contrary with the rotation direction of lower segment of cutting.
8. efficiently well dressing tool as claimed in claim 7, it is characterised in that: described upper segment of cutting and the first union joint it
Between connect and have upper end compliant section, the cross-sectional diameter of described upper end compliant section connects less than the cross-sectional diameter of upper segment of cutting and first
The cross-sectional diameter of head, connects between described lower segment of cutting and the second union joint and has lower end compliant section, the horizontal stroke of described lower end compliant section
Diameter of section is less than cross-sectional diameter and the cross-sectional diameter of the second union joint of lower segment of cutting.
9. efficiently well dressing tool as claimed in claim 8, it is characterised in that: described upper end compliant section and upper segment of cutting it
Between connect have upper changeover portion, being connected between described lower end compliant section with lower segment of cutting has lower changeover portion, the appearance of described upper changeover portion
The outer surface of face and lower changeover portion is inlaid with PDC tooth respectively.
10. efficiently well dressing tool as claimed in claim 1, it is characterised in that；Described first union joint is box end,
Second union joint is 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 true CN105888592A (en) | 2016-08-24 |
| CN105888592B CN105888592B (en) | 2018-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410591165.0A Active CN105888592B (en) | 2014-10-30 | 2014-10-30 | Efficient well dressing tool |
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| Country | Link |
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| CN (1) | CN105888592B (en) |
Cited By (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 |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN105888592B (en) | 2018-04-03 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| 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 | ||
| 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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| PC01 | Cancellation 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 |