CN207568504U - Power drilling tool seal transmission shaft without untwisting angle - Google Patents
Power drilling tool seal transmission shaft without untwisting angle Download PDFInfo
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- CN207568504U CN207568504U CN201721495514.4U CN201721495514U CN207568504U CN 207568504 U CN207568504 U CN 207568504U CN 201721495514 U CN201721495514 U CN 201721495514U CN 207568504 U CN207568504 U CN 207568504U
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- drill bit
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- mandrel
- drilling tool
- transmission shaft
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Abstract
The utility model is related to a kind of power drilling tool seal transmission shafts of no untwisting angle.Its technical solution is：Lower part of the housing is reduced diameter section, strip through-hole there are six being uniformly distributed around reduced diameter section, planetary gear is separately installed in six strip through-holes, it is mandrel in the inside of housing, the upper end of drill bit pup joint in the pin thread connection of lower end, the lower end of interior drill bit pup joint is connect by female thread with interior drill bit, upper end pin thread and the universal axis connection of motor, centre wheel is equipped among mandrel, it is engaged with six planetary gears, housing bottom diameter has screw thread, it is connect by screw thread with lower sealing righting section, cavity is formed between mandrel and housing, balanced seal piston is provided in cavity.The beneficial effects of the utility model are：Tool-face is constant after the position of tool-face and turn on pump pressurize before the non-turn on pump pressurization of the utility model realization so that become easy in deep-well, extended reach well, it is time saving and energy saving.
Description
Technical field
The utility model is related to a kind of oil well device, more particularly to a kind of power drilling tool seal transmission shaft of no untwisting angle.
Background technology
Deep-well, extended reach well orientation work progress in, use screw rod（Or turbine）Slide-and-guide technology is crept into, finally
When stage adjusts track, it is frequently present of the problem of tool-face is difficult to control.With the increase of drilling tool length, the flexibility of entire drilling tool
Also increase therewith, thus ground is also greatly increased in face of the control difficulty of downhole motor tool-face, this has been resulted in practice of construction
In, can be gone to put tool-face with a large amount of time, often by tool-face placement one think suitable position when, as long as（Turn on pump follows
Ring）Drill bit one contacts shaft bottom, and tool-face inverts almost without restrictions, at random to time, and turn round several circles sometimes, pressurization
It is preceding to be unable to estimate at all.Since the frictional resistance of drilling tool and the borehole wall is not known yet, the reaction torque on drilling rod is passed to be come less than ground, also root
This, which does not have to lock turntable, prevents turntable from reversing.Only accidental chance tool-face places very suitable position, and reaction torque is also just
It could stablize at the desired position when equal with frictional resistance（Tool face angle is suitable）.Have no regularly, to only rely on accidental chance in this way
Tool-face is ajusted, has both wasted a large amount of drilling time, very without resistance to, many difficulties also are brought to construction by technical staff.
Invention content
The purpose of this utility model provides a kind of power of no untwisting angle aiming at drawbacks described above of the existing technology
Drilling tool seal transmission shaft, tool-face is constant after the position of tool-face and turn on pump pressurize before the non-turn on pump pressurization of the utility model realization,
So that become easy in deep-well, extended reach well, it is time saving and energy saving.
Its technical solution is：Including mandrel, housing, planetary gear, lower sealing righting section, interior drill bit pup joint, housing is hollow
Cylinder pipe nipple, housing upper-end inner diameter be equipped with female thread, lower part of the housing is reduced diameter section, be uniformly distributed around reduced diameter section there are six
Strip through-hole is separately installed with planetary gear in six strip through-holes, is mandrel in the inside of housing, and mandrel is hollow
Axis, is equipped with third rotating seal ring between housing and mandrel, the upper and lower ends of mandrel are equipped with pin thread, drill bit in the connection of lower end pin thread
The upper end of pipe nipple, the lower end of interior drill bit pup joint are connect by female thread with interior drill bit, upper end pin thread and the universal axis connection of motor, mandrel
Centre is equipped with centre wheel, is engaged with six planetary gears, and housing bottom diameter is equipped with screw thread, is connected by screw thread and lower sealing righting section
It connects, the second rotating seal ring is equipped between housing lower end and lower sealing righting section, uniformly divide in lower sealing righting section top periphery
Three groups of sieve pores of cloth, the cavity between sieve pore connection housing and mandrel, form cavity, balanced seal piston between mandrel and housing
It is provided in cavity.
Above-mentioned lower sealing righting section is hollow cylinder, and the lower end inner cavity of lower sealing righting section is equipped with alignment bearing and the 4th
Rotating seal ring is equipped with seal groove among the outside of lower sealing righting section, the first rotating seal ring is equipped in seal groove,
Half the circumference of the sleeve where it joins the shoulder is equipped in the external upper of lower sealing righting section, drop-hanger bearing, the outer drill bit pup joint of drop-hanger bearing carry are placed at half the circumference of the sleeve where it joins the shoulder
With outer drill bit.
Above-mentioned planetary gear is for straight spur gear body, and planetary gear both ends are equipped with axis, is coordinated by axis and strip through-hole,
The inside teeth of planetary gear are engaged with centre wheel, and the outside of planetary gear is engaged with the internal gear of outer drill bit pup joint, form planet tooth
Train.
Above-mentioned drop-hanger bearing is sliding bearing.
Above-mentioned outer drill bit studs with the hollow boring bit of teeth for lower end.
Extrapolability bearing is installed at above-mentioned outer half the circumference of the sleeve where it joins the shoulder in the lower part of the housing and the interior half the circumference of the sleeve where it joins the shoulder of outer drill bit pup joint.
Above-mentioned interior drill bit studs with the hollow boring bit of teeth for lower end, and the diameter of interior drill bit is less than outer drill bit.
Above-mentioned first rotating seal ring, the second rotating seal ring, third rotating seal ring, the 4th rotating seal ring are circle
Ring-type, and inside is equipped with annular groove, and elastic component is equipped in groove.
Above-mentioned balanced seal piston forms sealing cavity to the 4th rotating seal ring, and lubricating oil is marked in sealing cavity.
The beneficial effects of the utility model are：The position of tool-face adds with turn on pump before the non-turn on pump pressurization of the utility model realization
Tool-face is constant after pressure so that becomes easy in deep-well, extended reach well, time saving and energy saving, the novel planetary gear that is equipped with is in
Heart wheel, planetary inside teeth are engaged with centre wheel, and planetary outside is engaged with the internal gear of outer drill bit pup joint, shape
Into planetary gear train, by Planetary Gear Transmission, planetary gear is fixed in this structure housing, it is impossible to make planetary motion, it can only
Then autobiography drives outer drill bit pup joint to rotate round about, in this way, when drill bit all contacts shaft bottom pressurization cutting stratum, production
Raw opposite reaction torque, size is identical, reacts and cancels out each other on drilling tool, this is novel directly to be connect with screw motor, shape
Into the power drilling tool of no untwisting angle, balanced seal piston to the 4th rotating seal ring forms sealing cavity, is noted in sealing cavity
There is lubricating oil, planetary gear train and bearing all in oil bath, employ balanced seal piston balanced seal technology, sealed reliable,
It ensure that working performance and the service life of moving component.
Description of the drawings
Attached drawing 1 is the structure diagram of the utility model；
Attached drawing 2 is the scheme of installation of drop-hanger bearing；
Attached drawing 3 is the structure diagram of planetary gear train；
Attached drawing 4 is planetary structure diagram；
Attached drawing 5 is the scheme of installation of extrapolability bearing；
Attached drawing 6 is the structure diagram of the first rotating seal ring；
In figure：Mandrel 1, housing 2, planetary gear 3, lower sealing righting section 4, drop-hanger bearing 5, extrapolability bearing 6, outer drill bit are short
Section 7, outer drill bit 8, interior drill bit pup joint 9, interior drill bit 10, the first rotating seal ring 11, the second rotating seal ring 12, balanced seal are lived
Plug 13, third rotating seal ring 14, alignment bearing 15, the 4th rotating seal ring 16, centre wheel 17, seal groove 18, half the circumference of the sleeve where it joins the shoulder 19, axis
20th, outer half the circumference of the sleeve where it joins the shoulder 21, interior half the circumference of the sleeve where it joins the shoulder 22, groove 23, elastic component 24,25 in cavity.
Specific embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
Embodiment is selected to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1：The utility model includes mandrel 1, housing 2, planetary gear 3, lower sealing righting section 4, interior drill bit pup joint 9,
Housing 2 is hollow cylinder pipe nipple, and 2 upper-end inner diameter of housing is equipped with female thread, and 2 lower part of housing is reduced diameter section, around reduced diameter section
Strip through-hole there are six being uniformly distributed, is separately installed with planetary gear 3 in six strip through-holes, is in the inside of housing 2
Mandrel 1, mandrel 1 are hollow axis, and third rotating seal ring 14 is equipped between housing 2 and mandrel, and the upper and lower ends of mandrel 1 are equipped with
Pin thread, the upper end of drill bit pup joint 9 in the connection of lower end pin thread, the lower end of interior drill bit pup joint 9 connect by female thread with interior drill bit 10, on
Pin thread and the universal axis connection of motor are held, centre wheel 17 is equipped among mandrel 1, is engaged with six planetary gears 3,2 bottom diameter of housing
Equipped with screw thread, it is connect by screw thread with lower sealing righting section 4, the second rotation is equipped between 2 lower end of housing and lower sealing righting section 4
Sealing ring 12 is uniformly distributed three groups of sieve pores, the chamber between sieve pore connection housing 2 and mandrel 1 in lower 4 top periphery of sealing righting section
Body can be entered in the cavity between housing and mandrel by sieve pore annular space drilling fluid filtrate and pressure, balanced seal is pushed to live
Plug axially movable, forms cavity 25, balanced seal piston 13 is provided in cavity 25, in sky between mandrel 1 and housing 2
Intracavitary is axially moved.
Wherein, the lower sealing righting section 4 is hollow cylinder, and the lower end inner cavity of lower sealing righting section 4 is equipped with righting axis
15 and the 4th rotating seal ring 16 are held, seal groove 18 is equipped among the outside of lower sealing righting section 4, is installed in seal groove 18
There is the first rotating seal ring 11, be equipped with half the circumference of the sleeve where it joins the shoulder 19 in the external upper of lower sealing righting section 4, drop-hanger bearing is placed at half the circumference of the sleeve where it joins the shoulder 19
5, centralizing function is played in the outer drill bit pup joint 7 of 5 carry of drop-hanger bearing and outer drill bit 8,15 center roller of alignment bearing, 2 lower part.
In addition, the planetary gear 3 is for straight spur gear body, 3 both ends of planetary gear are equipped with axis 20, pass through axis 20 and strip
Shape through-hole coordinates, and the inside teeth of planetary gear 3 are engaged with centre wheel 17, the outside of planetary gear 3 and the internal gear of outer drill bit pup joint 7
Engagement forms planetary gear train.
In addition, drop-hanger bearing 5 is sliding bearing.
In addition, the outer drill bit 8 studs with the hollow boring bit of teeth for lower end, stratum is cut for inverting, and balance interior bore
The torque of head.
In addition, interior drill bit 10 studs with the hollow boring bit of teeth for lower end, the diameter of interior drill bit 10 is less than outer drill bit 8.
In addition, the first rotating seal ring 11, the second rotating seal ring 12, third rotating seal ring 14, the 4th rotatory sealing
Circle 16 is annular shape, and inside is equipped with annular groove 23, and elastic component 24 is equipped in groove 23.
In addition, balanced seal piston 13 forms sealing cavity 26 to the 4th rotating seal ring 16, noted in sealing cavity 26
There is lubricating oil, planetary gear train and bearing all in oil bath, employ 13 balanced seal technology of balanced seal piston, sealing can
It leans on, ensure that working performance and the service life of moving component.
Embodiment 2：
Difference from Example 1 is：At the outer half the circumference of the sleeve where it joins the shoulder 21 of 2 lower part of housing and the interior half the circumference of the sleeve where it joins the shoulder 22 of outer drill bit pup joint 7
Extrapolability bearing 6 is installed, the upward breaking-out of the external drill bit in stratum is born and exerts oneself.
Tool-face is constant after the position of tool-face and turn on pump pressurize before the non-turn on pump pressurization of the utility model realization so that in depth
Become easy in well, extended reach well, this is novel equipped with planetary gear and centre wheel, and planetary inside teeth are nibbled with centre wheel
It closes, planetary outside is engaged with the internal gear of outer drill bit pup joint, forms planetary gear train, passes through Planetary Gear Transmission, row
Star gear is fixed in this structure housing, it is impossible to make planetary motion, can only autobiography, then drive outer drill bit pup joint round about
Rotation in this way, when drill bit all contacts shaft bottom pressurization cutting stratum, generates opposite reaction torque, size is identical, reacts in drilling tool
On cancel out each other, the novel power drilling tool that can be directly connect with screw motor, form no untwisting angle.
The above, is only the preferred embodiment of the utility model, and any those skilled in the art may profit
Equivalent technical solution is changed the utility model or is revised as with the technical solution of above-mentioned elaboration.Therefore, foundation
Any simple modification or substitute equivalents that the technical solution of the utility model is carried out belong to the greatest extent the requires of the utility model protection
Range.
Claims (9)
1. a kind of power drilling tool seal transmission shaft of no untwisting angle, it is characterized in that：Including mandrel（1）, housing（2）, planetary gear
（3）, it is lower sealing righting section（4）, interior drill bit pup joint（9）, housing（2）For hollow cylinder pipe nipple, housing（2）Upper-end inner diameter is equipped with mother
Button, housing（2）Lower part is reduced diameter section, is uniformly distributed around reduced diameter section there are six strip through-hole, in six strips
Planetary gear is separately installed in through-hole（3）, in housing（2）Inside be mandrel（1）, mandrel（1）For hollow axis, housing（2）
Third rotating seal ring is equipped between mandrel（14）, mandrel（1）Upper and lower ends be equipped with pin thread, lower end pin thread connection in drill bit
Pipe nipple（9）Upper end, interior drill bit pup joint（9）Lower end pass through female thread and interior drill bit（10）Connection, upper end pin thread and motor are universal
Axis connection, mandrel（1）Centre is equipped with centre wheel（17）, with six planetary gears（3）Engagement, housing（2）Bottom diameter is equipped with screw thread,
Pass through screw thread and lower sealing righting section（4）Connection, housing（2）Lower end and lower sealing righting section（4）Between be equipped with second rotation it is close
Seal（12）, in lower sealing righting section（4）Top periphery is uniformly distributed three groups of sieve pores, sieve pore connection housing（2）With mandrel（1）It
Between cavity, in mandrel（1）And housing（2）Between form cavity（25）, balanced seal piston（13）It is provided in cavity（25）
It is interior.
2. the power drilling tool seal transmission shaft of no untwisting angle according to claim 1, it is characterized in that：The lower sealing righting
Section（4）For hollow cylinder, lower sealing righting section（4）Lower end inner cavity be equipped with alignment bearing（15）With the 4th rotating seal ring
（16）, in lower sealing righting section（4）External intermediate be equipped with seal groove（18）, in seal groove（18）It is close that first rotation is inside installed
Seal（11）, in lower sealing righting section（4）External upper be equipped with half the circumference of the sleeve where it joins the shoulder（19）, in half the circumference of the sleeve where it joins the shoulder（19）Place drop-hanger bearing in place（5）,
Drop-hanger bearing（5）The outer drill bit pup joint of carry（7）With outer drill bit（8）.
3. the power drilling tool seal transmission shaft of no untwisting angle according to claim 1, it is characterized in that：The planetary gear（3）
It is for straight spur gear body, planetary gear（3）Both ends are equipped with axis（20）, pass through axis（20）Coordinate with strip through-hole, planetary gear
（3）Inside teeth and centre wheel（17）Engagement, planetary gear（3）Outside and outer drill bit pup joint（7）Internal gear engagement, formed
Planetary gear train.
4. the power drilling tool seal transmission shaft of no untwisting angle according to claim 2, it is characterized in that：Drop-hanger bearing（5）For
Sliding bearing.
5. the power drilling tool seal transmission shaft of no untwisting angle according to claim 2, it is characterized in that：The outer drill bit（8）
The hollow boring bit of teeth is studded with for lower end.
6. the power drilling tool seal transmission shaft of no untwisting angle according to claim 1 or 2, it is characterized in that：Extrapolability bearing
（6）Mounted on housing（2）The outer half the circumference of the sleeve where it joins the shoulder of lower part（21）With outer drill bit pup joint（7）Interior half the circumference of the sleeve where it joins the shoulder（22）Place.
7. the power drilling tool seal transmission shaft of no untwisting angle according to claim 1, it is characterized in that：Interior drill bit（10）For under
End studs with the hollow boring bit of teeth, interior drill bit（10）Diameter be less than outer drill bit（8）.
8. the power drilling tool seal transmission shaft of no untwisting angle according to claim 1 or 2, it is characterized in that：First rotation is close
Seal（11）, the second rotating seal ring（12）, third rotating seal ring（14）, the 4th rotating seal ring（16）It is interior for annular shape
Side is equipped with annular groove（23）, groove（23）It is interior to be equipped with elastic component（24）.
9. the power drilling tool seal transmission shaft of no untwisting angle according to claim 1, it is characterized in that：Balanced seal piston
（13）To the 4th rotating seal ring（16）Form sealing cavity（26）, in sealing cavity（26）Inside it is marked with lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721495514.4U CN207568504U (en) | 2017-11-10 | 2017-11-10 | Power drilling tool seal transmission shaft without untwisting angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721495514.4U CN207568504U (en) | 2017-11-10 | 2017-11-10 | Power drilling tool seal transmission shaft without untwisting angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207568504U true CN207568504U (en) | 2018-07-03 |
Family
ID=62693049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721495514.4U Active CN207568504U (en) | 2017-11-10 | 2017-11-10 | Power drilling tool seal transmission shaft without untwisting angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207568504U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915602A (en) * | 2018-07-11 | 2018-11-30 | 江苏师范大学 | A kind of bilayer dust suction drill bit |
| CN117569736A (en) * | 2024-01-15 | 2024-02-20 | 山东星辉航空液压有限公司 | Machine carries formula multipurpose jumbolter |
-
2017
- 2017-11-10 CN CN201721495514.4U patent/CN207568504U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915602A (en) * | 2018-07-11 | 2018-11-30 | 江苏师范大学 | A kind of bilayer dust suction drill bit |
| CN117569736A (en) * | 2024-01-15 | 2024-02-20 | 山东星辉航空液压有限公司 | Machine carries formula multipurpose jumbolter |
| CN117569736B (en) * | 2024-01-15 | 2024-05-03 | 山东星辉航空液压有限公司 | Machine carries formula multipurpose jumbolter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220216 Address after: 100029 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: Shengli directional well company of Sinopec Jingwei Co.,Ltd. Address before: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee before: DRILLING WELL ENGINEERING TECHNOLOGY COMPANY OF SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. |
|
| TR01 | Transfer of patent right |