CN105604485A - Axial vibration crawl device - Google Patents
Axial vibration crawl device Download PDFInfo
- Publication number
- CN105604485A CN105604485A CN201511027250.5A CN201511027250A CN105604485A CN 105604485 A CN105604485 A CN 105604485A CN 201511027250 A CN201511027250 A CN 201511027250A CN 105604485 A CN105604485 A CN 105604485A
- Authority
- CN
- China
- Prior art keywords
- annular tooth
- crawl device
- axial vibration
- box
- annular
- 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.)
- Granted
Links
- 239000004576 sand Substances 0.000 claims abstract description 6
- 238000009825 accumulation Methods 0.000 abstract description 3
- 239000012634 fragment Substances 0.000 abstract 1
- 239000011435 rock Substances 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 210000004233 talus Anatomy 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
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1085—Wear protectors; Blast joints; Hard facing
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to an axial vibration crawl device which comprises a crawl device body, a male buckle and a female buckle, wherein 4-10 annular teeth equal in size are longitudinally and uniformly arranged on the outer surface of the crawl device body; sand guide grooves equal in size are uniformly formed in each annular tooth; each annular tooth has a right triangular cross section, and the right-angle side of each annular tooth faces the female buckle; the first annular tooth close to the female buckle side has a double bevel cross section. The axial vibration crawl device is simple in structure, and can prevent counter motion of a drill column and accumulation of rock fragments.
Description
Technical field
The invention belongs to field of mechanical technique, particularly a kind of oil gas well drilling instrument.
Background technology
The exploration and development technology of the Holes of Complicated Wells such as horizontal well, extended reach well body structure well is more and more ripe in recent years.Because hole angle is large, the problem such as pit shaft fluid column and the larger pressure reduction of stratum formation, talus deposit, make drill stringFrictional resistance larger, cause that load transfer is obstructed, rate of penetration reduction and drill string, casing wear be seriousEtc. problem. Experts and scholars develop axial vibration antifriction tool both at home and abroad, and drill string produces axial vibration by a small margin,Make between drill string and the borehole wall static friction in the axial direction change dynamic friction into, can effectively reduce Value of Friction Loss.
But in the time that axial vibration generator is worked, some active force points to drill bit direction, can make to boreTool combination results advancing by a small margin, provides fraction the pressure of the drill to drill bit. Another part deviates from drill bit directionActive force can make BHA produce falling back by a small margin, affects drilling efficiency.
Summary of the invention
The object of the present invention is to provide a kind of axial vibration crawl device that can prevent drill string reverse movement.
Technical scheme of the present invention is as follows:
The present invention includes body, pin thread and box, wherein, it is large that this external surface is longitudinally evenly provided with 4-10 barLittle equal annular tooth, is equipped with equal-sized thin sand launder between every annular tooth; Each annular tooth cross sectionBe right angled triangle, and right angle one is facing to box one side, by first annular tooth cross section of box one sideFor double inclined plane.
When use, the pin thread of axial vibration crawl device or box are connected with axial vibration generator, when axially shakingWhen moving generator drives drill string to do the axial vibration contrary with drilling direction in pit shaft, axial vibration crawl deviceRing-like tooth group right angle one side of outer surface contacts with the borehole wall, and resistance is larger, can effectively stop the contrary of whole drill stringTo motion. Otherwise annular tooth inclined-plane contacts with the borehole wall while vibration to drilling direction, resistance is little, before energy is smoothEnter. Thin sand launder in annular tooth group can prevent the accumulation of landwaste, the double inclined plane annular tooth 7 of adjacent box one sideCan facilitate drill string to remove.
The present invention compared with prior art tool has the following advantages:
(1) simple in structure;
(2) prevent drill string reverse movement and prevent the accumulation of landwaste.
Brief description of the drawings
Fig. 1 is structural representation part figure of the present invention.
In figure: 1-box, 2-body, 3-annular tooth, 4-pin thread, 5-dredges sand launder, 6-double inclined plane annular tooth.
Detailed description of the invention
In the axial vibration crawl device schematic diagram shown in Fig. 1, one end of body 2 is connected with box 1, shouldThe other end of body is connected with pin thread 4, and the outer surface of body is axially evenly provided with 6 equal-sized annularsTooth 3, is equipped with equal-sized thin sand launder 5 between every annular tooth; Each annular tooth cross section is right angle threeDihedral, and right angle one is facing to box one side, is double inclined plane by first annular tooth 6 cross sections of box one side.
This instrument is connected with axial vibration generator by screw thread, should, according to concrete operating mode, optionally use.
Claims (1)
1. an axial vibration crawl device, it comprises body, pin thread and box, it is characterized in that: described bodyOuter surface is longitudinally evenly provided with the equal-sized annular tooth of 4-10 bar, is equipped with big or small phase between every annular toothDeng thin sand launder; Each annular tooth cross section is right angled triangle, and right angle one is facing to box one side, leans onFirst annular tooth cross section of box one side is double inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027250.5A CN105604485B (en) | 2015-12-31 | 2015-12-31 | Axial vibration crawl device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027250.5A CN105604485B (en) | 2015-12-31 | 2015-12-31 | Axial vibration crawl device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105604485A true CN105604485A (en) | 2016-05-25 |
| CN105604485B CN105604485B (en) | 2017-11-24 |
Family
ID=55984771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511027250.5A Active CN105604485B (en) | 2015-12-31 | 2015-12-31 | Axial vibration crawl device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105604485B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542424A (en) * | 2017-09-25 | 2018-01-05 | 西南石油大学 | The cased cementing system of robot assisted and method are drawn in a kind of horizontal well mud driving |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2106469C1 (en) * | 1996-05-12 | 1998-03-10 | Уфимский государственный нефтяной технический университет | Vibration damper-centralizer of drilling tool |
| CN101220732A (en) * | 2008-01-23 | 2008-07-16 | 西南石油大学 | Reduction-resistant vibration-damping break-proof righting coupling for gas drilling |
| CN204386504U (en) * | 2015-01-15 | 2015-06-10 | 新疆罡拓能源科技有限公司 | A kind of righting drag reduction adapter device |
| GB2520998A (en) * | 2013-12-06 | 2015-06-10 | Schlumberger Holdings | Expandable Reamer |
| CN204851095U (en) * | 2015-07-09 | 2015-12-09 | 中国石油集团长城钻探工程有限公司 | Piping tool cluster hinders instrument with antifriction in succession |
-
2015
- 2015-12-31 CN CN201511027250.5A patent/CN105604485B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2106469C1 (en) * | 1996-05-12 | 1998-03-10 | Уфимский государственный нефтяной технический университет | Vibration damper-centralizer of drilling tool |
| CN101220732A (en) * | 2008-01-23 | 2008-07-16 | 西南石油大学 | Reduction-resistant vibration-damping break-proof righting coupling for gas drilling |
| GB2520998A (en) * | 2013-12-06 | 2015-06-10 | Schlumberger Holdings | Expandable Reamer |
| CN204386504U (en) * | 2015-01-15 | 2015-06-10 | 新疆罡拓能源科技有限公司 | A kind of righting drag reduction adapter device |
| CN204851095U (en) * | 2015-07-09 | 2015-12-09 | 中国石油集团长城钻探工程有限公司 | Piping tool cluster hinders instrument with antifriction in succession |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542424A (en) * | 2017-09-25 | 2018-01-05 | 西南石油大学 | The cased cementing system of robot assisted and method are drawn in a kind of horizontal well mud driving |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105604485B (en) | 2017-11-24 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |