CN207406289U - Impeller-driven has the friction reduced stabilizer of pressurization propulsion functions - Google Patents
Impeller-driven has the friction reduced stabilizer of pressurization propulsion functions Download PDFInfo
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- CN207406289U CN207406289U CN201721562137.1U CN201721562137U CN207406289U CN 207406289 U CN207406289 U CN 207406289U CN 201721562137 U CN201721562137 U CN 201721562137U CN 207406289 U CN207406289 U CN 207406289U
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- Prior art keywords
- impeller
- worm
- worm gear
- axle
- seat
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Abstract
The utility model is related to the friction reduced stabilizers that a kind of impeller-driven has pressurization propulsion functions, and including power end and righting end, technical solution is：Top connection, righting cylinder and lower contact pass sequentially through threaded connection；Axle sleeve, blower inlet casing, impeller and clamp nut are respectively arranged in impeller axle, and impeller axle is connected through a screw thread successively with central tube, worm screw and worm seat；Righting cylinder is bead type structure, and worm gear is mounted at the terrace with edge that circumferential direction is evenly arranged on righting cylinder, and is passed through axis pin, worm gear seat and bolt and be connected with righting cylinder, and worm gear is intermeshed with worm screw, realizes the transmission of worm and wheel.The utility model drives worm screw to rotate by impeller, and worm drive worm gear rotates, and worm gear rolls on the borehole wall and provides axial propulsive force for drill string, so as to reduce frictional resistance of the down-hole equipment in drilling process between the borehole wall, effectively extends borehole length.
Description
Technical field
The utility model is related to one kind for field of oil drilling, the impeller-driven that axial propulsive force can be provided for drill string has
There is the friction reduced stabilizer of pressurization propulsion functions.
Background technology
In oil and gas exploitation field, as conventional gas and oil resource is petered out so that oil drilling constantly to deep-well,
Horizontal well and extended reach well direction are developed, different from conventional drilling, rub in horizontal well, extended reach well drilling process drill string and the borehole wall
Wipe resistance bigger.The frictional resistance of drill string and the borehole wall in wellbore is made of radial friction torque and axial rub resistance, drilling mode
Mainly slipping drilling, drill string is in the well section that hole curvature is larger or horizontal segment is longer, due to gravity direction suffered by drill string and well
Eye axis direction has very large deviation, and the reasons such as difficulty are returned in borehole wall difference and landwaste so that and drill string always againsts borehole wall slip,
Contact area can be more much larger than conventional well, drill string is caused to be sent into difficult, can not effectively control well track, and serious restriction wellbore is long
The extension of degree, influences drilling quality.
In drilling process, in order to reduce the friction between drill string and the borehole wall, effectively extend borehole length, can generally use
The friction reduced stabilizer of idler wheel is installed, the sliding friction between drill string and wellbore is become into rolling friction, however, conventional idler wheel
Centralizer is merely capable of playing the role of dropping the drag reduction that rubs to a certain extent, with the increase of well depth, particularly horizontal section wellbore
The extension of length is difficult to ensure that effective transmission being sent into bit pressure of drill string always.Therefore, need one kind can in drilling process
In the practical centralizer for reducing drill string with active propulsion being provided while frictional.
The content of the invention
In order to solve horizontal well described in background technology, drill string and wall friction present in extended reach well drilling process
The problems such as resistance is big, and drill string is sent into difficulty, and wellbore extension is limited realizes that the active to drill string is sent into, effectively transfers bit pressure, accurately
Well track is controlled, reduces drilling cost, the utility model, which provides a kind of impeller-driven, has the antifriction of pressurization propulsion functions
Centralizer.
To achieve the above object, the technical solution adopted in the utility model is：Impeller-driven has pressurization propulsion functions
Friction reduced stabilizer is made of power end and righting end, it is characterised in that：The power end includes top connection, clamp nut, leaf
Wheel, impeller axle, Simmer ring, sleeve seal circle, axle sleeve, blower inlet casing, O-ring seal, sleeve, upper sealing ring, central tube；It is described
Righting end include worm screw, worm seat, bearing, lower seal, lower contact, righting cylinder, worm gear seat, worm gear, axis pin, bolt；Institute
Top connection, righting cylinder and the lower contact stated pass sequentially through threaded connection；Axle sleeve, blower inlet casing, impeller are sequentially arranged at impeller axle
On, impeller is helical blade structure, is fixed on by clamp nut in impeller axle, and it is axial fixed that blower inlet casing is realized by sleeve
Position, is sealed, blower inlet casing and impeller axle by Simmer ring, sleeve seal circle respectively between impeller axle, axle sleeve and blower inlet casing
Between sealed by O-ring seal, prevent drilling fluid from entering；The impeller axle and central tube, worm screw and worm seat by up to
Under pass sequentially through threaded connection, central tube center portion is provided with blind hole, and middle part is circumferentially evenly arranged with three inclined holes connected with blind hole,
Lower part is machined with the seal groove for installing sealing ring, and worm seat lower part lower seal is sealed with righting cylinder, real by lower contact
Existing axially position；The righting cylinder is bead type structure, is arranged circumferentially there are three terrace with edge, and installation is provided on each terrace with edge
The groove of worm gear, groove are connected with righting cylinder middle through-hole；The worm gear is mounted in the groove on terrace with edge, and passes through pin
Axis, worm gear seat and bolt are connected with righting cylinder, and worm gear is intermeshed with worm screw, realize the transmission between worm and wheel, snail
Wheel rolls on the borehole wall and provides axial propulsive force for drill string, so as to reduce down-hole equipment rubbing between the borehole wall in drilling process
Resistance is wiped, effectively extends borehole length.
Compared with the prior art, its advantage is the utility model：（1）Impeller-driven has subtracting for pressurization propulsion functions
The centralizer that rubs drives worm screw to rotate using impeller, and worm drive worm gear rotates, and provides axial propulsive force for drill string, changes tradition
Drill string be sent into mode, thus greatly reduce frictional resistance of the down-hole equipment in drilling process between the borehole wall, effectively prolong
Stretch borehole length；（2）The utility model is simple and reliable using drilling fluid drive control using unique screw blade structure；
（3）The utility model is simple in structure, convenient disassembly, can effectively alleviate drilling tool decentralization and be hampered or meet card problem, it is easier to adapt to
The operating mode of underground complexity.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
In figure：1- top connections, 2- clamp nuts, 3- impellers, 4- impeller axles, 5- Simmer rings, 6- sleeve seal circles, 7-
Axle sleeve, 8- blower inlet casings, 9- O-ring seals, 10- sleeves, the upper sealing rings of 11-, 12- central tubes, 13- worm screws, 14- worm seats,
15- bearings, 16- lower seals, 17- lower contacts, 18- righting cylinders, 19- worm gear seats, 20- worm gears, 21- axis pins.
Fig. 2 is the sectional view in A-A faces in the utility model Fig. 1.
Fig. 3 is the sectional view in B-B faces in the utility model Fig. 1.
Fig. 4 is the structure diagram at the utility model righting end.
In figure：22- bolts.
Fig. 5 is the schematic three dimensional views at the utility model righting end.
Fig. 6 is the schematic three dimensional views of the utility model righting cylinder.
Fig. 7 is the schematic three dimensional views of the utility model blower inlet casing.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
Shown with reference to the accompanying drawings, impeller-driven has the friction reduced stabilizer of pressurization propulsion functions, by power end and righting end group
Into, it is characterised in that：The power end includes top connection 1, clamp nut 2, impeller 3, impeller axle 4, Simmer ring 5, sleeve
Sealing ring 6, axle sleeve 7, blower inlet casing 8, O-ring seal 9, sleeve 10, upper sealing ring 11, central tube 12；The righting end includes
Worm screw 13, worm seat 14, bearing 15, lower seal 16, lower contact 17, righting cylinder 18, worm gear seat 19, worm gear 20, axis pin 21, spiral shell
Bolt 22；Top connection 1, righting cylinder 18 and the lower contact 17 passes sequentially through threaded connection；By axle sleeve 7, blower inlet casing 8, impeller 3 according to
Secondary to be mounted in impeller axle 4, impeller 3 is helical blade structure, is fixed on by clamp nut 2 in impeller axle 4, and blower inlet casing 8 is logical
It crosses sleeve 10 and realizes axially position, pass through Simmer ring 5, sleeve seal circle 6 between impeller axle 4, axle sleeve 7 and blower inlet casing 8 respectively
It is sealed, is sealed between blower inlet casing 8 and impeller axle 4 by O-ring seal 9, prevent drilling fluid from entering；The impeller axle 4
It from top to bottom passes sequentially through and is threadedly coupled with central tube 12, worm screw 13 and worm seat 14,12 center portion of central tube is provided with blind hole, middle part
Three inclined holes connected with blind hole circumferentially are evenly arranged with, lower part is machined with the seal groove for installing sealing ring 11, worm seat 14
Middle part is equipped with bearing 15, and lower part is realized by lower seal 16 and righting cylinder 18 and sealed, and it is axial fixed to be carried out using lower contact 17
Position；The righting cylinder 18 is bead type structure, is arranged circumferentially there are three terrace with edge, and installation worm gear 20 is provided on each terrace with edge
Groove, groove connects with 18 middle through-hole of righting cylinder；The worm gear 20 is mounted in the groove on terrace with edge, and passes through axis pin
21st, worm gear seat 19 and bolt 22 are connected with righting cylinder 18, and worm gear 20 is intermeshed with worm screw 13, realize worm screw 13 and worm gear 20
Between transmission.
The utility model is using unique screw impeller structure, and using drilling fluid drive control, drilling fluid flows through impeller
（3）, blower inlet casing（8）, then pass through central tube（12）On inclined hole enter worm screw（13）, finally by worm seat（14）It is connect under
Head（17）Outflow, impeller（3）Drive central tube（12）And worm screw（13）Rotation, worm screw（13）Drive worm gear（20）It rotates, worm gear
（20）It is rolled on the borehole wall and for drill string provides axial propulsive force, so as to reduce down-hole equipment in drilling process between the borehole wall
Frictional resistance effectively extends borehole length.
Claims (4)
1. impeller-driven has the friction reduced stabilizer of pressurization propulsion functions, it is made of power end and righting end, it is characterised in that：Institute
The power end stated includes top connection（1）, clamp nut（2）, impeller（3）, impeller axle（4）, Simmer ring（5）, sleeve seal circle
（6）, axle sleeve（7）, blower inlet casing（8）, O-ring seal（9）, sleeve（10）, upper sealing ring（11）, central tube（12）；Described helps
Anode includes worm screw（13）, worm seat（14）, bearing（15）, lower seal（16）, lower contact（17）, righting cylinder（18）, worm gear
Seat（19）, worm gear（20）, axis pin（21）, bolt（22）；The top connection（1）, righting cylinder（18）And lower contact（17）Successively
It is connected through a screw thread；By axle sleeve（7）, blower inlet casing（8）, impeller（3）And clamp nut（2）It is sequentially arranged at impeller axle（4）On, it leads
Flow shell（8）Pass through sleeve（10）Realize axially position, impeller axle（4）, axle sleeve（7）And blower inlet casing（8）Between it is close by axis respectively
Seal（5）, sleeve seal circle（6）It is sealed, blower inlet casing（8）And impeller axle（4）Between pass through O-ring seal（9）Sealing is prevented
Only drilling fluid enters；The impeller axle（4）With central tube（12）, worm screw（13）And worm seat（14）From top to bottom pass sequentially through
It is threadedly coupled, worm seat（14）Pass through lower contact（17）Realize axially position；The righting cylinder（18）For bead type structure, week
To being evenly arranged there are three terrace with edge, installation worm gear is provided on each terrace with edge（20）Groove, groove and righting cylinder（18）Middle part leads to
Hole connects；The worm gear（20）In the groove on terrace with edge, and pass through axis pin（21）, worm gear seat（19）And bolt（22）
With righting cylinder（18）It is connected, worm gear（20）With worm screw（13）Worm screw is realized in intermeshing（13）With worm gear（20）Between biography
It is dynamic.
2. impeller-driven according to claim 1 has the friction reduced stabilizer of pressurization propulsion functions, it is characterised in that：It is described
Impeller（3）For helical blade structure, pass through clamp nut（2）Mounted on impeller axle（4）On, impeller（3）Drive worm screw（13）
Rotation, worm screw（13）Drive worm gear（20）It rotates.
3. impeller-driven according to claim 1 has the friction reduced stabilizer of pressurization propulsion functions, it is characterised in that：It is described
Central tube（12）Top and impeller axle（4）Connection, lower part and worm screw（13）Connection, central tube（12）Center portion is provided with blind hole, in
Portion is circumferentially evenly arranged with three inclined holes connected with blind hole, and lower part, which is machined with, installs sealing ring（11）Seal groove.
4. impeller-driven according to claim 1 has the friction reduced stabilizer of pressurization propulsion functions, it is characterised in that：It is described
Worm seat（14）Top and worm screw（13）Connection, middle part is equipped with bearing（15）, lower part passes through lower seal（16）With righting
Cylinder（18）Realize sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721562137.1U CN207406289U (en) | 2017-11-21 | 2017-11-21 | Impeller-driven has the friction reduced stabilizer of pressurization propulsion functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721562137.1U CN207406289U (en) | 2017-11-21 | 2017-11-21 | Impeller-driven has the friction reduced stabilizer of pressurization propulsion functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207406289U true CN207406289U (en) | 2018-05-25 |
Family
ID=62316998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721562137.1U Expired - Fee Related CN207406289U (en) | 2017-11-21 | 2017-11-21 | Impeller-driven has the friction reduced stabilizer of pressurization propulsion functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207406289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2777048C1 (en) * | 2021-11-26 | 2022-08-01 | Публичное акционерное общество "Татнефть" имени В.Д. Шашина | Device for creating an axial force on a chisel when drilling horizontal wells |
-
2017
- 2017-11-21 CN CN201721562137.1U patent/CN207406289U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2777048C1 (en) * | 2021-11-26 | 2022-08-01 | Публичное акционерное общество "Татнефть" имени В.Д. Шашина | Device for creating an axial force on a chisel when drilling horizontal wells |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180525 Termination date: 20181121 |