CN201347725Y - Non-rotating outer sleeve stabilizing device of rotary steerable drilling tool - Google Patents
Non-rotating outer sleeve stabilizing device of rotary steerable drilling tool Download PDFInfo
- Publication number
- CN201347725Y CN201347725Y CNU2008202337132U CN200820233713U CN201347725Y CN 201347725 Y CN201347725 Y CN 201347725Y CN U2008202337132 U CNU2008202337132 U CN U2008202337132U CN 200820233713 U CN200820233713 U CN 200820233713U CN 201347725 Y CN201347725 Y CN 201347725Y
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- rotary sleeve
- pack support
- wall
- wheels
- rotating outer
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Abstract
The utility model relates to a non-rotating outer sleeve stabilizing device of rotary steerable drilling tool, which is characterized by comprising a plurality of sets of stabilizer wheel group assemblies which are evenly distributed in grooves which are opened on the outer wall of a non-rotating outer sleeve of a rotational steering tool, wherein each assembly comprises a wheel group bracket which is radially supported on the outer wall of the non-rotating outer sleeve through a spring, and the two ends of the wheel group bracket are respectively provided with a limit block which is used for limiting the radial displacement of the wheel group bracket. The wheel group bracket is provided with a plurality of wheel groups, wherein each wheel group comprises a wheel shaft, and a plurality of idler wheels are threaded and arranged on the wheel shaft, the idler wheels are higher than the wheel group bracket, and the rolling direction of the idler wheels is identical with the moving direction of the non-rotating outer sleeve. The non-rotating outer sleeve stabilizing device has the advantages that the idler wheels can roll on the wall of a well along the axial cord direction of a drill hole, do not affect the drilling, and can still contact with the wall of the well under the effect of the spring, and the rotation of the stabilizer wheel group assemblies along the circumferential direction is limited, thereby preventing the rotation of the non-rotating outer sleeve, and keeping the tool surfaces of rotary steerable drilling tools stable.
Description
Technical field
The utility model relates to a kind of oil exploration drilling instrument, particularly about a kind of non-rotating outer liner stabilizing device of rotating guide drilling tool.
Background technology
The rotary steerable drilling technology is to occur the eighties in 20th century, an oil drilling new technology that grows up the nineties, compare with traditional slide-and-guide drilling well, have hole trajectory control precision height, the well slyness that gets out, frictional resistance, moment of torsion are low, the drilling well extreme displacement is big, and down-hole accident is few, and bit speed is fast, therefore advantages such as drilling cost is low can satisfy highly difficult special well steerable drilling demands such as horizontal well, extended reach well, three-dimensional multi target well.
Present rotary steering drilling tool mainly can be divided into modulation system rotary steering drilling tool and rotary sleeve formula rotary steering drilling tool not.As shown in Figure 1, not rotary sleeve formula rotary steering drilling tool mainly by drive spindle 1, rotary sleeve 2, hydraulic system 3, rib 4, bearings system 5, sealing system 6 etc. are not formed.Drive spindle 1 top is connected with drill string, and the bottom is connected (not looking out among drill string, the drill bit figure) with drill bit.Drive spindle 1 is inserted into not in the rotary sleeve 2, and is connected with sealing system 6 by bearings system 5.Rotary sleeve 2 is not provided with hydraulic system 3, for the rib 4 on the rotary sleeve 2 not provides telescopic drive power, rib 4 can be supported on the borehole wall.Rib 4 provides the lateral force or the displacement of biasing for simultaneously drive spindle 1, thereby makes drill bit by estimating that the drilling tool face creeps into.Because the tool-face of rotary sleeve formula rotary steering drilling tool is not that benchmark is controlled with rotary sleeve not, therefore in the steerable drilling process, rotary sleeve 2 need not keep static with respect to the borehole wall, so that keep the tool-face of rotary steering drilling tool stable, realize the control of well track.But owing between rotary sleeve 2 and the drive spindle 1 bearings system 5 and sealing system 6 not being installed, there is frictional force, like this when guiding is crept into not rotary sleeve 2 will take place to rotate slowly along with the rotation of drive spindle 1, thereby the tool-face of rotary steering drilling tool is changed, the guiding control that the influence guiding is crept into.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides a kind of not rotary sleeve stabilising arrangement of rotary steering drilling tool, and this device makes not rotary sleeve move and can not rotate along the borehole axis direction, thereby stablizes the tool-face of rotary steerable tool.
For achieving the above object, the utility model is taked following technical scheme: a kind of non-rotating outer liner stabilizing device of rotating guide drilling tool, it comprises 3～4 cover stabilizer wheels assemblies that are evenly arranged on the rotary sleeve outer wall not, each described stabilizer wheels assembly includes one and takes turns pack support, the described pack support of taking turns is by being fixed on spring radial support on the rotary sleeve not on described not rotary sleeve outer wall, on the described not rotary sleeve of taking turns the pack support two ends the described limited block of taking turns the pack support radial displacement of a restriction is set respectively; The described pack support of taking turns is provided with 3～4 groups of wheels of being made up of roller, and described roller is higher than the described pack support of taking turns, the rolling to consistent with described not rotary sleeve moving direction of described roller.
The described pack support of taking turns supports by the described spring that is fixed in the groove of offering on the rotary sleeve outer wall not, and described limited block is fixed on the groove two ends of offering on the rotary sleeve outer wall not.
Described each wheels comprise a wheel shaft, wear 3～4 described rollers on the wheel shaft, after described wheel shaft two ends pass described two side of taking turns pack support, be inserted into respectively on the guide pad in the corresponding blind hole that is provided with, described guide pad is arranged on described wheels rack side wall and not between the rotary sleeve groove.
The utility model is owing to take above technical scheme, it has the following advantages: 1, the utility model comprises several stabilizer wheels assemblies, along the circumferential direction be evenly distributed on the not rotary sleeve of rotary steering drilling tool, only need on rotary sleeve not, to set out several grooves and can divide into groups to install, simple and convenient.2, the utility model all is not provided with several wheels in the groove of rotary sleeve at each, several wheels roll and are arranged on one and are taken turns in the pack support by spring-supported, both can be in the not radial motion of rotary sleeve of the support lower edge of spring, reach with the tight of the borehole wall and contact, can on the borehole axis direction, move with rotary sleeve again.3, the utility model wheels frame bottom is by the spring-supported while, and the end makes it can slippage not go out not rotary sleeve again in that rotary sleeve is directly upwards not mobile again by the restriction of two limited blocks.4, in like manner, the utility model wheels are connected in series by a wheel shaft, and the rotating direction of wheels is set and the rotary sleeve moving direction is not consistent, after wheel shaft passes the wheels rack side wall, two ends are inserted into respectively in the guide pad, be directed to the piece guiding, wheels, wheel shaft, guide pad all can also can move along the borehole axis direction together with the radial motion of wheel pack support like this.5, the utility model is provided with wheels and is higher than the wheel pack support, because the structural configuration of spring and wheels, wheels make stabilizer wheels assembly not rotate with drive spindle with after the borehole wall closely contacts, thereby also prevented the not rotation of rotary sleeve, stablized the tool-face of rotary steering drilling tool.
Description of drawings
Fig. 1 is existing rotary steering drilling tool schematic diagram
Fig. 2 is equipped with rotary steering drilling tool schematic diagram of the present utility model
Fig. 3 is the utility model schematic representation of apparatus
Fig. 4 is the axial sectional view of Fig. 3
Fig. 5 is the A-A sectional view of Fig. 4
Fig. 6 is the B-B sectional view of Fig. 4
The specific embodiment
Be described in detail of the present utility model below in conjunction with drawings and Examples.
As Fig. 2, shown in Figure 3, the utility model comprises 3～4 cover stabilizer wheels assemblies 7 on 360 ° of not rotary sleeve 2 outer walls that are distributed on rotary steerable tool, is that example describes with three cover stabilizer wheels assemblies 7 in the present embodiment.
Shown in Fig. 4～6, each stabilizer wheels assembly 7 all comprises takes turns pack support 8, and 8 of pack supports of wheel are located in the groove that rotary sleeve 2 is not offered in advance.Between the groove of the bottom of wheel pack support 8 and rotary sleeve 2 not, be supported with some springs 9, make wheel pack support 8 can edges not rotary sleeve 2 move radially.In order to keep the stable of spring 9, offer some blind holes in the bottom correspondence of taking turns pack support 8, each spring 9 is inserted into respectively in the corresponding blind hole (as shown in Figure 5).Being respectively arranged with a limited block 10, two limited blocks 10 at the two ends of wheel pack support 8 is
The shape symmetry is pressed in the two ends of wheel pack support 8, and is fixed on the not rotary sleeve 2 at groove two ends.Though therefore take turns pack support 8 can be in the support lower edge of spring 9 not rotary sleeve 2 radially carry out resilient movement, but because wheel pack support 8 is spacing by two limited blocks 10, wheel pack support 8 mobile being limited within the specific limits diametrically can not unrestrictedly outwards be moved.
As shown in Figure 6, the wheel pack support 8 inside, be arranged at intervals with several wheels 11, the quantity of wheels 11 be three or four can.For each wheels 11, it comprises a wheel shaft 12 again, on wheel shaft 12, be installed with several rollers 13, can be around roller bearing 12 rotations, the quantity of roller 13 is decided on the space size of wheel pack support 8, be traditionally arranged to be about three, four, after roller 13 was installed in the wheel pack support 8, its wheel rim slightly exceeded wheel pack support 8.Behind the wheel shaft 12 serial connection upper rollers 13, its two ends pass the two side of wheel pack support 8, make the rotating direction of roller 13 simultaneously and rotary sleeve 2 is not consistent along the moving direction of the borehole wall.After wheel shaft 12 two ends pass the two side of wheel pack support 8, be inserted in the blind hole of a guide pad 14 again respectively, guide pad 14 is arranged on the sidewall of wheel pack support 8 and not between the groove of rotary sleeve 2, can again wheel pack support 8 be play the guiding role simultaneously with taking turns not radially sliding of rotary sleeve 2 of pack support 8 edges.
In drilling process, wheel pack support 8 along moving radially of rotary sleeve 2 not, and limits its outside slippage and goes out the not groove of rotary sleeve 2 under the effect of spring 9 under the effect of limited block 9.When wheel pack support 8 outwards moved, roller 13 remained with the borehole wall and contacts, and can roll on the borehole wall along the borehole axis direction; Simultaneously, the structural configuration owing to spring 9 and roller 13 makes stabilizer wheels assembly 7 along the circumferential direction not rotate, thereby has also prevented the not rotation of rotary sleeve 2, has stablized the tool-face of rotary steering drilling tool.
Claims (4)
1, a kind of non-rotating outer liner stabilizing device of rotating guide drilling tool, it is characterized in that: it comprises 3～4 cover stabilizer wheels assemblies that are evenly arranged on the rotary sleeve outer wall not, each described stabilizer wheels assembly includes one and takes turns pack support, the described pack support of taking turns is by being fixed on spring radial support on the rotary sleeve not on described not rotary sleeve outer wall, on the described not rotary sleeve of taking turns the pack support two ends the described limited block of taking turns the pack support radial displacement of a restriction is set respectively; The described pack support of taking turns is provided with 3～4 groups of wheels of being made up of roller, and described roller is higher than the described pack support of taking turns, the rolling to consistent with described not rotary sleeve moving direction of described roller.
2, a kind of non-rotating outer liner stabilizing device of rotating guide drilling tool as claimed in claim 1, it is characterized in that: the described pack support of taking turns supports by the described spring that is fixed in the groove of offering on the rotary sleeve outer wall not, and described limited block is fixed on the groove two ends of offering on the rotary sleeve outer wall not.
3, a kind of non-rotating outer liner stabilizing device of rotating guide drilling tool as claimed in claim 1, it is characterized in that: described each wheels comprise a wheel shaft, wear 3～4 described rollers on the wheel shaft, after described wheel shaft two ends pass described two side of taking turns pack support, be inserted into respectively on the guide pad in the corresponding blind hole that is provided with, described guide pad is arranged on described wheels rack side wall and not between the rotary sleeve groove.
4, a kind of non-rotating outer liner stabilizing device of rotating guide drilling tool as claimed in claim 2, it is characterized in that: described each wheels comprise a wheel shaft, wear 3～4 described rollers on the wheel shaft, after described wheel shaft two ends pass described two side of taking turns pack support, be inserted into respectively on the guide pad in the corresponding blind hole that is provided with, described guide pad is arranged on described wheels rack side wall and not between the rotary sleeve groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202337132U CN201347725Y (en) | 2008-12-19 | 2008-12-19 | Non-rotating outer sleeve stabilizing device of rotary steerable drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202337132U CN201347725Y (en) | 2008-12-19 | 2008-12-19 | Non-rotating outer sleeve stabilizing device of rotary steerable drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201347725Y true CN201347725Y (en) | 2009-11-18 |
Family
ID=41367197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202337132U Expired - Lifetime CN201347725Y (en) | 2008-12-19 | 2008-12-19 | Non-rotating outer sleeve stabilizing device of rotary steerable drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201347725Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277047A (en) * | 2013-05-06 | 2013-09-04 | 北京市普利门电子科技有限公司 | Single-shaft stabilized platform device for rotary steering drilling tool and stabilizing method thereof |
| CN107939288A (en) * | 2017-11-14 | 2018-04-20 | 中国科学院地质与地球物理研究所 | A kind of anti-rotation device and rotary guiding device of non-rotating set |
-
2008
- 2008-12-19 CN CNU2008202337132U patent/CN201347725Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277047A (en) * | 2013-05-06 | 2013-09-04 | 北京市普利门电子科技有限公司 | Single-shaft stabilized platform device for rotary steering drilling tool and stabilizing method thereof |
| CN103277047B (en) * | 2013-05-06 | 2015-05-20 | 北京市普利门电子科技有限公司 | Single-shaft stabilized platform device for rotary steering drilling tool and stabilizing method thereof |
| CN107939288A (en) * | 2017-11-14 | 2018-04-20 | 中国科学院地质与地球物理研究所 | A kind of anti-rotation device and rotary guiding device of non-rotating set |
| CN107939288B (en) * | 2017-11-14 | 2019-04-02 | 中国科学院地质与地球物理研究所 | A kind of anti-rotation device and rotary guiding device of non-rotating set |
| EP3611330A4 (en) * | 2017-11-14 | 2020-07-22 | Institute of Geology and Geophysics, Chinese Academy of Sciences | Anti-rotation device of non-rotating sleeve and rotation guide device |
| US10815730B2 (en) | 2017-11-14 | 2020-10-27 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | Anti-rotating device of non-rotating sleeve and a rotary guiding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC Research Institute Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Research Center |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091118 |
|
| CX01 | Expiry of patent term |