CN1038326A - Multifunctional hydraulic direction-changing apparatus for drill bit - Google Patents
Multifunctional hydraulic direction-changing apparatus for drill bit Download PDFInfo
- Publication number
- CN1038326A CN1038326A CN 89105068 CN89105068A CN1038326A CN 1038326 A CN1038326 A CN 1038326A CN 89105068 CN89105068 CN 89105068 CN 89105068 A CN89105068 A CN 89105068A CN 1038326 A CN1038326 A CN 1038326A
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- liquid capsule
- overcoat
- drill bit
- drilling
- drilling tool
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Abstract
The invention discloses a kind of device-multifunctional hydraulic direction-changing apparatus for drill bit of controlling wellbore trajectory in rotating disk brill drilling straight-hole and deviated directional drilling process, it belongs to the drill and petroleum extraction tools series products.Characteristics of the present invention are by being fixed on two liquid capsule delivery pressures that are full of liquid and interconnect on the main body, thereby drill bit is crept into along desired direction, form the wellbore trajectory that conforms with designing requirement.The present invention has the function of 16 kinds of control drill bit directions, does not need to connect centralizer, can strengthen the pressure of the drill brute force and creep into.This saves drilling cost for changing wellbore trajectory, and good approach has been opened up in the drilling well of high-quality high speed.
Description
The invention discloses a kind of a kind of device-multifunctional hydraulic direction-changing apparatus for drill bit of controlling wellbore trajectory in rotating disk brill drilling straight-hole and deviated directional drilling process, it belongs to the drill and petroleum extraction tools series products.
In oil, geological prospecting, bore a bite straight well, the common practice is to form packed hole assembly with several centralizers identical with bit diameter and drill bit, under the effect of the pressure of the drill drill bit is crept into along vertical.Or use pendulum assembly, and add less the pressure of the drill, drill bit is crept into along vertical.
Packed hole assembly produces hole deviation sometimes in drilling process, and in case hole deviation takes place, this drilling tool is difficult to make hole deviation to lower, and does not often satisfy the designing requirement heavily brill of doing over again because of hole deviation is excessive.Pendulum assembly then often increases hole deviation because of the pressure of the drill increases, and does not satisfy the well bore designing requirement.Particularly bore deviated directional drilling, not only require drilling tool control well oblique angle effectively in drilling process, also controlling party parallactic angle exactly.Situ of drilling well uses a kind of apparatus that increases and decreases the well bore orientation in the past usually, and it is that two friction plates that handle contacts with the borehole wall are contained on the stiff shaft, relies on the counter-force of the suffered borehole wall of friction plate in the drilling process to increase and decrease the orientation.Its structure is complicated, can only increase and decrease the orientation, function singleness, and its effect is not really desirable.Just because of this, generally do not consume a large amount of drilling costs now, drilling cost is improved because of wellbore trajectory satisfies designing requirement.
The objective of the invention is to overcome ubiquitous problem in the prior art and a kind of reasonable in design, economy and durability is provided, can changes the various functions of hole angle and azimuth multifunctional hydraulic direction-changing apparatus for drill bit product that be integrated in one and that inclinometer is used.
The present invention can realize by following measure:
Main body of the present invention upper end connects drill collar, and the lower end connects drill bit by a cooperation joint.Along main body a groove axially arranged, in be welded with a pressure tube.The two ends up and down of pressure tube are communicated with last liquid capsule and following liquid capsule respectively, and upper and lower liquid capsule is bonded between anti-grinding segment and the wear plate and whole being enclosed within along on the minor axis of main body 4 overcoats spaced apart.When main body was crept in gradient well, the wear plate of last liquid capsule outside contacted with the borehole wall and pressurized, and last liquid capsule is pressurized simultaneously, and fluid pressure is passed to down the liquid capsule by pressure tube, and the pressure of following liquid capsule raises, and pushes the wear plate of its outside to the borehole wall.At this moment, the borehole wall is just given the lateral force of first change direction of the go-ahead brill of rotation, and drilling tool whenever revolves and turns around with regard to effect once, and drill bit is crept into along desired direction gradually.
Purpose of the present invention is realized by following measure simultaneously:
Main body of the present invention 4 overcoats that are connected, fixed by pressure cap, trim ring and piston ring spaced apart are from top to bottom all welding a minor axis vertically on each overcoat.Be with anti-grinding segment and wear plate on the minor axis of two overcoats in upper end, last liquid capsule is bonded between anti-grinding segment and the wear plate with cementing agent.Also be with anti-grinding segment and wear plate on the minor axis of two overcoats in lower end, following liquid capsule also is bonded between anti-grinding segment and the wear plate with cementing agent.On the overcoat circumferential surface of last liquid capsule upper/lower terminal, be carved with the Arabic numerals numbering of 1-16, screw of each numbering expression.Screw is 0 °, 30 °, 45 °, 60 °, 90 °, to be arranged in order at its excess-three quadrant in the situation that first quartile distributes successively.Following liquid capsule is fixed on 0 ° of position all the time.Last liquid capsule can be gone up when changing to some extent to hole angle and azimuthal requirement or according to the inclinometer measured result and to hole angle and azimuth according to design, changes the position by dog screw.The change of upper and lower liquid capsule relative position will be to the present invention with multiple function.
Desire realizes above-mentioned certain function of the present invention, does not need to connect centralizer, and can strengthen the pressure of the drill brute force and creep into, even be used for preventing that oblique or well straightening also is like this.Use multifunctional hydraulic direction-changing apparatus for drill bit provided by the invention, save drilling cost for changing wellbore trajectory, good approach has been opened up in the drilling well of high-quality high speed undoubtedly.
Accompanying drawing the 1,2,3, the 4th, the structure chart of multifunctional hydraulic direction-changing apparatus for drill bit provided by the invention.
The present invention is made up of following parts:
Main body 1, pressure cap 2, overcoat 3, trim ring 4, piston ring 5, dog screw 6, feed liquor are chewed son 7, wear plate 8, top connection 9, overcoat 10, overcoat 11, lower contact 12, overcoat 13, protection piece 14, lower liquid capsule 15, pressure tube 16, screw 17, anti-bar 8, upper liquid capsule 19, piece 20 forms between two parties.
Describe in detail with regard to concrete enforcement of the present invention and operational detail thereof below in conjunction with accompanying drawing.
Main body 1 is to form with the transformation of the way of existing drill collar, and the upper end is connected with drill collar in the drilling tool by 410 drilling rod buttons, and the lower end is passed through 410 * 630 cooperation joint and is connected with used drill bit.Be intervally distributed with overcoat 3, overcoat 10, overcoat 11, overcoat 13 to the lower end from the upper end of main body 1, they all are connected with pressure cap 2 by the trapezoidal thread of T190 * 8, and are fastened on the main body 1 by trim ring 4, piston ring 5.On the circumferential surface of overcoat 3, overcoat 10, be carved with 1-16 Arabic numerals numbering, M16 screw of each numbering expression.Also be intervally distributed with the positioning screw hole of 4 M16 on a bus of main body 1, the position of two the M16 screws in top is corresponding with numbering 1 on overcoat 3, the overcoat 10.Treat that screwhole position on overcoat 3, the overcoat 10 is selected and with after the positioning screw hole on the main body 1 is aimed at according to functional requirement, dog screw 6 is screwed into.Because following liquid capsule 15 is that to be fixed on of main body 1 by dog screw 6 locational all the time, upper and lower like this liquid capsule 19,15 forms different angles with respect to main body 1, to realize the requirement of various functions.Last liquid capsule 19, following liquid capsule 15 are to be bonded between anti-grinding segment 18 and the wear plate 8 with chlorine tincture phenol glue.An anti-grinding segment 18 and an anti-end that wastes sheet 8 all have an annular cover, are enclosed within respectively on the minor axis that is welded on overcoat 3, overcoat 10 and overcoat 11, overcoat 13.For preventing the rotation of grinding segment 18, be fixed on the main body 1 by screw 17 again.Last liquid capsule 19 and following liquid capsule 15 usefulness rubber, cloth and steel wire are processed into, and have certain elasticity.Last liquid capsule 19 be equipped with feed liquor chew the son 7, it by joint, chew son, sealing mat constitutes.Last liquid capsule 19 is connecting pressure tube 16 by long rubber hose on itself and top connection 9, links to each other with pressure tube 16 through lower contact 12 again.Pressure tube 16 is the seamless steel pipe of ∮ 20mm.The matrix adopting 35CrMo of wear plate 8, it is carried out with MBD superhard wear welding rod in its surface.Be welded with piece 20 placed in the middle on the overcoat 3, be used for guaranteeing main body 1 rotation reposefully in the well that tilts.Be welded with protection piece 14 on the overcoat 13, be used for guaranteeing, do not damage wear plate 8 and reach liquid capsule 15 down when bit wear, when diameter diminishes.The matrix of piece 20 placed in the middle, protection piece 14 also adopts the 35CrMo steel, and lid layer MBD ultra-hard abrasive material is all carried out on its surface.
Go up before going into the well and inject how much expanding into than the big slightly 1-2 millimeter of used bit diameter of liquid in liquid capsule 19 and the following liquid capsule 15 and be as the criterion with two wear plates 8.Because the liquid capsule has certain elasticity, when wear plate 8 was subjected to borehole wall pressure a little, its diameter dimension can equate with drill bit.Liquid in the liquid capsule can be according to the difference of temperature changes to some extent, and available water is full of more than 0 °, 0 ° of following available water and glycerine (glycerine) mixed solution, and winter can be antifreeze.
Claims (5)
1, a kind of drilling tool that is drilled in control wellbore trajectory in drilling straight-hole and the deviated directional drilling process with rotating disk, its upper end directly is connected with drill collar, the lower end is connected with drill bit by cooperating joint, it is mainly by main body 1, along main body 1 overcoat 3 spaced apart, overcoat 10, overcoat 11 and overcoat 13, with last liquid capsule 19, the pressure tube 16 that following liquid capsule 15 is communicated with, and be enclosed within anti-grinding segment 18 on each overcoat minor axis, wear plate 8 is formed, its spy is filled with liquid in liquid capsule 19 and the following liquid capsule 15, when last liquid capsule 19 pressurizeds, fluid pressure passes to down liquid capsule 15 by pressure tube, and the pressure of following liquid capsule 15 raises, and pushes the wear plate 8 of its outside to the borehole wall.
2, according to the said drilling tool of claim 1, liquid capsule 15 all is bonded between anti-grinding segment 18 and the wear plate 8 with cementing agent to it is characterized in that reaching down by liquid capsule 19.
3, according to the said drilling tool of claim 1, it is characterized in that being carved with on the circumferential surface of overcoat 3 and overcoat 10 the Arabic numerals numbering of 1-16, screw of each numbering expression, situation about distributing successively at first quartile is: 0 °, 30 °, 45 °, 60 °, 90 °, be arranged in order at its excess-three quadrant.
4,, it is characterized in that liquid capsule 19 and following liquid capsule 15 usefulness rubber, cloth and steel wire make according to the said drilling tool of claim 1.
5, according to the said drilling tool of claim 1, it is characterized in that the matrix adopting 35CrMo material of wear plate 8, it is covered with MBD superhard wear welding rod in its surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89105068 CN1014162B (en) | 1989-04-24 | 1989-04-24 | Multifunctional hydraulic direction-changing apparatus for drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89105068 CN1014162B (en) | 1989-04-24 | 1989-04-24 | Multifunctional hydraulic direction-changing apparatus for drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1038326A true CN1038326A (en) | 1989-12-27 |
| CN1014162B CN1014162B (en) | 1991-10-02 |
Family
ID=4855839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89105068 Expired CN1014162B (en) | 1989-04-24 | 1989-04-24 | Multifunctional hydraulic direction-changing apparatus for drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1014162B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103012264A (en) * | 2012-12-25 | 2013-04-03 | 常州市亚邦医药研究所有限公司 | Method for resolving 3-substituted amino-hexahydro-1H-azacycloheptane |
| CN104453711A (en) * | 2014-11-04 | 2015-03-25 | 宝鸡石油机械有限责任公司 | Automatic vertical well drilling tool |
-
1989
- 1989-04-24 CN CN 89105068 patent/CN1014162B/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103012264A (en) * | 2012-12-25 | 2013-04-03 | 常州市亚邦医药研究所有限公司 | Method for resolving 3-substituted amino-hexahydro-1H-azacycloheptane |
| CN104453711A (en) * | 2014-11-04 | 2015-03-25 | 宝鸡石油机械有限责任公司 | Automatic vertical well drilling tool |
| CN104453711B (en) * | 2014-11-04 | 2016-08-24 | 宝鸡石油机械有限责任公司 | A kind of automatic vertical drilling tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1014162B (en) | 1991-10-02 |
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| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |