CN110359846A - A kind of nearly frameholst hole reaming tool - Google Patents
A kind of nearly frameholst hole reaming tool Download PDFInfo
- Publication number
- CN110359846A CN110359846A CN201810005856.6A CN201810005856A CN110359846A CN 110359846 A CN110359846 A CN 110359846A CN 201810005856 A CN201810005856 A CN 201810005856A CN 110359846 A CN110359846 A CN 110359846A
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- curved cylinder
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- cylinder
- outer circle
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000005553 drilling Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to the nearly frameholst hole reaming tools that the operation of downhole drill reaming hole and borehole wall repair are used in a kind of drilling engineering.It realizes the function of downhole drill reaming hole and borehole wall reparation.Its technical solution is: upper curved cylinder upper end and mud motor output shaft screwed connection, lower shell lower end and drill bit screwed connection；Curved cylinder top inner hole under upper curved cylinder lower part outer circle insertion, under steel ball merging in the radial screw bore of curved cylinder top, steel ball half slides into the sliding slot of curved cylinder lower part outer circle, the other half is mounted on down in the radial screw bore of curved cylinder top steel ball, and nut curved cylinder top radial screw bore under fastens；Water nozzle interference is mounted on down in the stepped hole of curved cylinder lower part inner hole upper end；Six stop pins are mounted on down in the space that six pin grooves and the six pin sliding slots in lower shell inner cavity top are formed in the middle part of curved cylinder outer circle.Drill bit may be implemented around 0~6 ° of well dynamic torque central axis of rotation in the present invention, effectively realizes underground variable diameter reaming hole function.
Description
Technical field
The present invention relates to the nearly drill bit changes that the operation of downhole drill reaming hole and borehole wall repair are used in a kind of drilling engineering
Diameter hole reaming tool.
Background technique
In oil and gas industry, drillng operation has the characteristics that the period is long, investment is high, risk is big, technical requirements are high.
With the development of drilling technology, drilling depth is deeper and deeper, wellbore diminution cause round trip to be hampered, meets block when have
Occur.In recent years, application of the reaming while drilling technology in drilling engineering significantly reduces drilling cost, improves oil/gas well matter
Amount.The problems such as underground hole shrinkage can be effectively treated in reaming while drilling technology, the effects of borehole wall is repaired is realized, in drilling engineering
More and more applied.
The hole reaming tool of country's oil gas well drilling is broadly divided into arm-type reamer and block formula reamer, arm-type reaming hole at present
Device wing intensity is low, is easy to be destroyed；And the expanding range of block formula reamer is small, it is difficult to be applied to big reaming hole well section.It is above-mentioned
Structure is complicated for two kinds of hole reaming tools, and components are more, and reaming hole size is fixed in the universal course of work, it is difficult to different work
Block adjusts the problem of variable diameter size in real time.
Based on above-mentioned technical background, the present invention provides a kind of nearly frameholst hole reaming tools, can realize in underground more
Size range variable diameter function meets reaming while drilling technical functionality demand.
Summary of the invention
The purpose of the present invention is: the function in order to realize downhole drill reaming hole and borehole wall reparation provides a kind of nearly drill bit
Variable diameter hole reaming tool.
In order to achieve the above object, the invention adopts the following technical scheme: a kind of nearly frameholst hole reaming tool, is by upper
Curved cylinder, nut, steel ball, water nozzle, under curved cylinder, it is anti-cap off, trundle, lower shell and spring are constituted；Its structure feature is: upper curved cylinder
Upper end and mud motor output shaft screwed connection, lower shell lower end and drill bit screwed connection；Upper curved cylinder top is set as public
The angle of screw thread, upper one circle sliding slot of curved cylinder lower part outer circle setting, upper curved cylinder central upper portion axis and upper curved cylinder lower central axis is 3 °；
Under curved cylinder top inner hole central axis and under the angle of curved cylinder lower part inner hole central axis be 3 °, under the radial screw thread of curved cylinder top setting one
Hole, under curved cylinder lower part inner hole upper end one stepped hole is set, under it is circumferential in the middle part of curved cylinder outer circle be uniformly arranged six pin grooves, under curved cylinder
Outer circle lower part is set as Step Shaft；Curved cylinder top inner hole under upper curved cylinder lower part outer circle insertion, curved cylinder top is radial under steel ball merging
In threaded hole, steel ball half is slid into the sliding slot of curved cylinder lower part outer circle, steel ball the other half be mounted on down curved cylinder top radial direction spiral shell
In pit, nut curved cylinder top radial screw bore under is fastened；Water nozzle interference is mounted on down the step of curved cylinder lower part inner hole upper end
In hole；One circle step surface of setting in the middle part of lower shell inner cavity, lower shell inner cavity top is circumferentially uniformly arranged six pin sliding slots, lower cylinder
External circle upper end is set as male thread；Under curved cylinder lower part be inserted into lower shell inner cavity top, spring is mounted on down curved cylinder outer circle lower part
Step Shaft on；It is sliding that six stop pins are mounted on down six pin grooves and six, lower shell inner cavity top pin in the middle part of curved cylinder outer circle
In the space that slot is formed；It is anti-to cap off and the upper end screwed connection of lower shell outer circle.
The beneficial effects of the present invention are: drill bit may be implemented around 0~6 ° of well dynamic torque central axis of rotation in (1) present invention
Turn, effectively realizes underground variable diameter reaming hole function；(2) present invention can carry out the adjusting of reaming hole size in underground, and reaming hole range is big；
(3) reaming hole range of the present invention is controlled using mud flow rate, easy to operate；(4) components of the present invention are few, mechanical structure letter
It is single.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of nearly frameholst hole reaming tool reaming hole state of the present invention；
Fig. 2 is a kind of structural schematic diagram of the nearly non-reaming hole state of frameholst hole reaming tool of the present invention；
Fig. 3 is Fig. 2A-A cross-sectional view；
Fig. 4 is the three dimensional structure diagram of upper curved cylinder；
Fig. 5 is the circumference expanding map of upper curved cylinder lower part outer circle sliding slot；
In figure: curved cylinder under curved cylinder, 2. nuts, 3. steel balls, 4. water nozzles, 5. on 1., 6. it is anti-cap off, 7. trundles, 8. lower cylinders
Body, 9. springs, 101. sliding slots.
Specific embodiment
As depicted in figs. 1 and 2, a kind of nearly frameholst hole reaming tool, be by upper curved cylinder 1, nut 2, steel ball 3, water nozzle 4,
Under curved cylinder 5, anti-6, trundle 7, lower shell 8 and the spring 9 of capping off constitute；Its structure feature is: upper curved 1 upper end of cylinder and well dynamic
Drilling tool output shaft screwed connection, 8 lower end of lower shell and drill bit screwed connection；Upper 1 top of curved cylinder is set as male thread, upper curved cylinder 1
One circle sliding slot 101 of lower part outer circle setting, the angle of 1 lower central axis of upper curved 1 central upper portion axis of cylinder and upper curved cylinder is 3 °；Under curved cylinder
5 top inner hole central axises and under the angle of curved 5 lower part inner hole central axis of cylinder be 3 °, under curved 5 top of cylinder one radial screw bore is set,
Under curved 5 lower part inner hole upper end of cylinder one stepped hole is set, under it is circumferential in the middle part of curved 5 outer circle of cylinder be uniformly arranged six pin grooves, under curved cylinder 5
Outer circle lower part is set as Step Shaft；Curved 5 top inner hole of cylinder under upper 1 lower part outer circle of curved cylinder insertion, curved 5 top of cylinder under steel ball 3 is placed in
In radial screw bore, 3 half of steel ball is slid into the sliding slot 101 of curved 1 lower part outer circle of cylinder, steel ball 3 the other half be mounted on down curved cylinder 5
In the radial screw bore of top, the curved 5 top radial screw bore of cylinder under of nut 2 is fastened；4 interference of water nozzle is mounted on down curved 5 lower part of cylinder
In the stepped hole of inner hole upper end；One circle step surface of setting in the middle part of 8 inner cavity of lower shell, 8 inner cavity top of lower shell is circumferentially uniformly arranged
Six pin sliding slots, 8 outer circle upper end of lower shell are set as male thread；Under curved 5 lower part of cylinder be inserted into 8 inner cavity top of lower shell, spring 9
It is mounted on down on the Step Shaft of curved 5 outer circle lower part of cylinder；As shown in figure 3, six stop pins 7 are mounted on down six in the middle part of curved 5 outer circle of cylinder
In the space that a pin grooves and lower shell 8 inner cavity tops, six pin sliding slots are formed；It is anti-to cap off terminal filament in 6 and 8 outer circle of lower shell
Button connection.
As shown in Figure 4 and Figure 5, the structure guarantee steel ball 3 of sliding slot 101 is in sliding slot 101 when axial rolling, and steel ball 3 is in cunning
101 inner circumferential of slot one-directional rotation.
A kind of working principle of nearly frameholst hole reaming tool of the present invention is: the tripping in present invention to design well depth position, just
Beginning state is as shown in Figure 2；When reaming hole operation, drill string certain distance is above mentioned, the slide downward under the effect of 9 elastic force of spring of lower shell 8,
Turn on pump circulating fluid, curved cylinder 5 is axial under pushing under the throttling action of water nozzle 4 moves down for drilling fluid, with curved cylinder 5 at present in steel ball
Rotate in a circumferential direction certain angle under the action of 3；Since the angle of 1 lower central axis of upper curved 1 central upper portion axis of cylinder and upper curved cylinder is 3 °,
Under curved 5 top inner hole central axis of cylinder and under the angle of curved 5 lower part inner hole central axis of cylinder be 3 °, under after curved cylinder 5 rotates in a circumferential direction, under it is curved
The angle of 5 lower parts of cylinder and 1 central upper portion axis of upper curved cylinder can be adjusted within the scope of 0~6 °, to adjust the size model of drill bit reaming hole
It encloses.
Claims (1)
1. a kind of nearly frameholst hole reaming tool, be by upper curved cylinder (1), nut (2), steel ball (3), water nozzle (4), under curved cylinder (5),
Anti- (6), trundle (7), lower shell (8) and the spring (9) of capping off is constituted；It is characterized by: upper curved cylinder (1) upper end and well dynamic
Drilling tool output shaft screwed connection, lower shell (8) lower end and drill bit screwed connection；Upper curved cylinder (1) top is set as male thread, upper curved
One circle sliding slot (101) of cylinder (1) lower part outer circle setting, the angle of upper curved cylinder (1) central upper portion axis and upper curved cylinder (1) lower central axis
It is 3 °；Under curved cylinder (5) top inner hole central axis and under the angle of curved cylinder (5) lower part inner hole central axis be 3 °, under curved cylinder (5) top
One radial screw bore is set, under curved cylinder (5) lower part inner hole upper end one stepped hole is set, under it is circumferential uniform in the middle part of curved cylinder (5) outer circle
Six pin grooves are set, under curved cylinder (5) outer circle lower part be set as Step Shaft；Under upper curved cylinder (1) lower part outer circle insertion on curved cylinder (5)
Portion's inner hole, under steel ball (3) merging in the radial screw bore of curved cylinder (5) top, steel ball (3) half slides into upper curved cylinder (1) lower part outer circle
Sliding slot (101) in, the other half is mounted on down in the radial screw bore of curved cylinder (5) top steel ball (3), nut (2) and under curved cylinder (5)
Top radial screw bore fastens；Water nozzle (4) interference is mounted on down in the stepped hole of curved cylinder (5) lower part inner hole upper end；Lower shell (8)
One circle step surface of setting, lower shell (8) inner cavity top are circumferentially uniformly arranged six pin sliding slots in the middle part of inner cavity, and lower shell (8) is outside
Circle upper end is set as male thread；Under curved cylinder (5) lower part be inserted into lower shell (8) inner cavity top, spring (9) is mounted on down curved cylinder (5)
On the Step Shaft of outer circle lower part；Six stop pins 7 are mounted on down in the middle part of curved cylinder (5) outer circle in six pin grooves and lower shell (8)
In the space that the six pin sliding slots in chamber top are formed；It is anti-to cap off (6) and lower shell (8) outer circle upper end screwed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810005856.6A CN110359846A (en) | 2018-01-03 | 2018-01-03 | A kind of nearly frameholst hole reaming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810005856.6A CN110359846A (en) | 2018-01-03 | 2018-01-03 | A kind of nearly frameholst hole reaming tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110359846A true CN110359846A (en) | 2019-10-22 |
Family
ID=68211827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810005856.6A Pending CN110359846A (en) | 2018-01-03 | 2018-01-03 | A kind of nearly frameholst hole reaming tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110359846A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608000A (en) * | 2019-11-11 | 2019-12-24 | 陕西固德石油工程有限公司 | Impact rotary reaming type centralizing nipple device |
| CN112282652A (en) * | 2020-11-30 | 2021-01-29 | 西华大学 | Eccentric rotary punching reaming tool |
| CN112983278A (en) * | 2021-04-12 | 2021-06-18 | 西华大学 | Mechanical eccentric reaming recovery positioning device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1802060C (en) * | 1990-12-29 | 1993-03-15 | Всесоюзный научно-исследовательский институт гидрогеологии и инженерной геологии | Device for hole reaming |
| CN2453105Y (en) * | 2000-11-02 | 2001-10-10 | 辽河石油勘探局工程技术研究院 | Under-reaming tool for small hole |
| CN101205796A (en) * | 2006-12-20 | 2008-06-25 | 杜晓瑞 | Device for drilling large borehole by small drill bit |
| US20090266544A1 (en) * | 2006-08-21 | 2009-10-29 | Redlinger Thomas M | Signal operated tools for milling, drilling, and/or fishing operations |
| CN102345442A (en) * | 2011-06-29 | 2012-02-08 | 西南石油大学 | Electric hole diameter expander |
| CN202627968U (en) * | 2012-06-30 | 2012-12-26 | 黑龙江北方双佳钻采机具有限责任公司 | Diameter variable reaming while drilling device |
| CN103615196A (en) * | 2013-12-12 | 2014-03-05 | 西南石油大学 | Plunger type significantly-variable-diameter reaming-while-drilling tool |
| CN104806170A (en) * | 2015-05-13 | 2015-07-29 | 西南石油大学 | Drilling and coal mining large-variable-diameter reaming bit |
| CN106285483A (en) * | 2016-10-10 | 2017-01-04 | 贵州高峰石油机械股份有限公司 | A kind of reducing reamer and reaming hole method thereof |
-
2018
- 2018-01-03 CN CN201810005856.6A patent/CN110359846A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1802060C (en) * | 1990-12-29 | 1993-03-15 | Всесоюзный научно-исследовательский институт гидрогеологии и инженерной геологии | Device for hole reaming |
| CN2453105Y (en) * | 2000-11-02 | 2001-10-10 | 辽河石油勘探局工程技术研究院 | Under-reaming tool for small hole |
| US20090266544A1 (en) * | 2006-08-21 | 2009-10-29 | Redlinger Thomas M | Signal operated tools for milling, drilling, and/or fishing operations |
| CN101205796A (en) * | 2006-12-20 | 2008-06-25 | 杜晓瑞 | Device for drilling large borehole by small drill bit |
| CN102345442A (en) * | 2011-06-29 | 2012-02-08 | 西南石油大学 | Electric hole diameter expander |
| CN202627968U (en) * | 2012-06-30 | 2012-12-26 | 黑龙江北方双佳钻采机具有限责任公司 | Diameter variable reaming while drilling device |
| CN103615196A (en) * | 2013-12-12 | 2014-03-05 | 西南石油大学 | Plunger type significantly-variable-diameter reaming-while-drilling tool |
| CN104806170A (en) * | 2015-05-13 | 2015-07-29 | 西南石油大学 | Drilling and coal mining large-variable-diameter reaming bit |
| CN106285483A (en) * | 2016-10-10 | 2017-01-04 | 贵州高峰石油机械股份有限公司 | A kind of reducing reamer and reaming hole method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608000A (en) * | 2019-11-11 | 2019-12-24 | 陕西固德石油工程有限公司 | Impact rotary reaming type centralizing nipple device |
| CN112282652A (en) * | 2020-11-30 | 2021-01-29 | 西华大学 | Eccentric rotary punching reaming tool |
| CN112282652B (en) * | 2020-11-30 | 2022-03-25 | 西华大学 | Eccentric rotary punching reaming tool |
| CN112983278A (en) * | 2021-04-12 | 2021-06-18 | 西华大学 | Mechanical eccentric reaming recovery positioning device |
| CN112983278B (en) * | 2021-04-12 | 2024-01-12 | 西华大学 | Mechanical eccentric reaming recovery positioning device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191022 |
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| WD01 | Invention patent application deemed withdrawn after publication |