CN203488113U - Centralizer resistance reducing device and orientated opposite penetrating device - Google Patents
Centralizer resistance reducing device and orientated opposite penetrating device Download PDFInfo
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- CN203488113U CN203488113U CN201320576383.8U CN201320576383U CN203488113U CN 203488113 U CN203488113 U CN 203488113U CN 201320576383 U CN201320576383 U CN 201320576383U CN 203488113 U CN203488113 U CN 203488113U
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- centralizer
- damper
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- roller
- inserting tube
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Abstract
The utility model provides a centralizer resistance reducing device and an orientated opposite penetrating device. The centralizer resistance reducing device comprises a centralizer resistance reducing device body (13), a plurality of rolling wheels (12) used for supporting the centralizer resistance reducing device body (13) are arranged on the surface of the centralizer resistance reducing device body (13), and the distances between the axes of the rolling wheels (12) and the central line (11) of the centralizer resistance reducing device body are the same. The orientated opposite penetrating device comprising the centralizer resistance reducing device can prevent an exploring tube from being attached to the lower well wall in the lifting up and putting down process of the exploring tube of an instrument, abrasion of the exploring tube and the centralizer resistance reducing device is reduced, and the problem that the instrument is clamped when passing through a cave is solved.
Description
Technical field
The utility model relates to coal bed gas or oilfield exploitation technical field, and specifically a kind of centralizer damper, or a kind of orientation is to penetrating device.
Background technology
China's bed gas reservoir generally has the reservoir characteristics of low pressure, hyposmosis, and adopts vertical well fracture mode to exist control area low through practice for many years, and the shortcoming such as yield poorly.In conventional development well be substantially in industry since two thousand five horizontal well (engineering well) with straight well (producing well) to wearing, by straight well gas production and obtain extraordinary effect.Owing to being subject to the restriction of topography and geomorphology, some place does not possess above-mentioned through well spacing condition, so developed again a kind of new for the technology of wearing---and directed to wearing, horizontal well 6 is worn with 7 pairs of directional wells, as shown in Figure 1.In the through process of orientation, directional well is made cave and is used instrument inserting tube to there will be two problems later: 1, inserting tube is necessarily attached to the lower borehole wall of directional well well in directional well under Action of Gravity Field.2, after directional well is made cave, inserting tube when entering cavern location, vertically enters cave along directional well well course bearing under Action of Gravity Field, and in the upper process of carrying inserting tube, inserting tube exists the risk of meeting card like this.
Utility model content
Directed to paste the lower borehole wall and easy technical problem of meeting card through inserting tube in journey in order to solve.The utility model provides a kind of centralizer damper and directed to penetrating device, this centralizer damper and orientation can be avoided the borehole wall under inserting tube subsides to penetrating device in the process that instrument inserting tube raises and decentralizes, both alleviated the wearing and tearing of inserting tube and centralizer damper, and solved again instrument and crossed the problem that card is met in cave.
The utility model for solving the technical scheme of its technical problem employing is: a kind of centralizer damper, comprise centralizer damper body, the surface of centralizer damper body is provided with a plurality of for supporting the roller of centralizer damper body, and the axis of all rollers is all identical to the distance of the center line of centralizer damper body.
Centralizer damper body is cylindrical shape.
A plurality of rollers are divided into many group rollers along the direction of the center line of centralizer damper body.
A plurality of rollers are divided into three groups of rollers along the direction of the center line of centralizer damper body, first group of roller in three groups of rollers contains two along the circumferential equally distributed roller of centralizer damper body, second group of roller in three groups of rollers contains two along the circumferential equally distributed roller of centralizer damper body, and the 3rd group of roller in three groups of rollers contains two along the circumferential equally distributed roller of centralizer damper body.
In first group of roller, in the line of two rollers and second group of roller, the angle between the line of two rollers is 60 °.
In first group of roller, in the line of two rollers and the 3rd group of roller, the angle between the line of two rollers is 120 °.
A kind of orientation is to penetrating device, comprise inserting tube and above-mentioned centralizer damper, inserting tube is fixedly connected with described centralizer damper, described orientation also comprises the fixing centralizer and be arranged on the winch outside directional well well head of well head that is arranged on directional well well head to penetrating device, well head fixedly centralizer contains fixed pulley, the cable of inserting tube can be connected with winch through fixed pulley, and fixed pulley makes the center line of cable overlap with the center line of directional well well head in the time of can making inserting tube and centralizer damper be lowered to directional well.
Described orientation comprises the centralizer damper described in two to penetrating device, and one end of inserting tube is fixedly connected with a centralizer damper, and the other end of inserting tube is fixedly connected with another centralizer damper.
Well head fixedly centralizer also comprises for the fixing base fixed disk of fixed pulley.
Base fixed disk is annular, and the bottom of base fixed disk is provided with casing adapter.
The beneficial effects of the utility model are: this centralizer damper and orientation can be avoided the borehole wall under inserting tube subsides to penetrating device in the process that instrument inserting tube raises and decentralizes, both alleviated the wearing and tearing of inserting tube and centralizer damper, and solved again instrument and crossed the problem that card is met in cave.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, centralizer damper described in the utility model and orientation are described in further detail penetrating device.
Fig. 1 is directed to wearing schematic diagram.
Fig. 2 is the schematic diagram of centralizer damper.
Fig. 3 is the left view of centralizer damper.
Fig. 4 is the fixedly schematic diagram of centralizer of well head.
Fig. 5 is the directed use view to penetrating device.
1. centralizer dampers wherein, the center line of 11. centralizer damper bodies, 12. rollers, 13. centralizer damper bodies, the 2. fixing centralizer of well head, 21. fixed pulleys, 22. base fixed disks, 23. casing adapters, 3. winch, 4. inserting tube, 41. cables, 5. directional well well head, 6. horizontal well, 7. directional well.
The specific embodiment
Below in conjunction with accompanying drawing, centralizer damper described in the utility model and orientation are described in further detail penetrating device.A kind of centralizer damper, comprise centralizer damper body 13, the surface of centralizer damper body 13 is provided with a plurality of for supporting the roller 12 of centralizer damper body 13, the axis of all rollers 12 is all identical to the distance of the center line 11 of centralizer damper body, as shown in Figures 2 and 3, all or part of of roller 12 is exposed to outside centralizer damper body 13.
In the time of in conventional straight well, for receiving the inserting tube 4 of magnetic signal, normally should be the center that is suspended in glass reinforced plastic sleeve (or cave), and in directional well 7, due to the effect of gravity, the certain lower borehole wall near glass reinforced plastic sleeve (or cave) of inserting tube 4.After being fixedly connected with inserting tube 4, this centralizer damper 1 is lowered to as shown in Figure 1 and Figure 5 in directional well 7, during connection, centralizer damper 1 is coaxial with inserting tube 4, can reach two effects: 1, according to the suitable external diameter of size Selection of directional well institute lower-glass steel sleeve (or cave) and the centralizer damper 1 of length, when centralizer damper 1 is arranged in the hypomere of Fig. 1 directional well 7, centralizer damper 1 can slide in this glass reinforced plastic sleeve, and the roller on centralizer damper 1 12 can contact with the inner wall surface of this glass reinforced plastic sleeve, so just, can make the centre of inserting tube 4 in glass reinforced plastic sleeve, reduce eccentric risk, 2, reduce the frictional resistance that inserting tube 4 raises and decentralizes, because there is the roller 12 of a plurality of different directions on centralizer damper 1, in the process raising and decentralizing at inserting tube 4 like this, reduced the frictional resistance between centralizer damper 1 and sleeve pipe, both the wearing and tearing of inserting tube and centralizer damper had been alleviated, solve again instrument and crossed the problem that card is met in cave, as solve inserting tube 4 in cave, meet card problem time, to select according to the length in cave the length of centralizer damper 1, the length of centralizer damper 1 is more a little longer than the length in cave, can solve like this inserting tube 4 and in cave, meet the problem of card.
Concrete, centralizer damper body 13 is cylindrical shape.A plurality of rollers 12 are divided into many group rollers along the direction of the center line 11 of centralizer damper body.As shown in Figure 2, a plurality of rollers 12 are divided into three groups of left, center, right roller along the direction of the center line 11 of centralizer damper body, first group of roller (left side) in three groups of rollers contains two along the circumferential equally distributed roller 12 of centralizer damper body 13, second group of roller in three groups of rollers (centre) contains two and contains two along the circumferential equally distributed roller 12 of centralizer damper body 13 along the 3rd group of roller (right side) in 12, three groups of rollers of the circumferential equally distributed roller of centralizer damper body 13.As shown in Figure 3, in first group of roller, in the line of two rollers 12 and second group of roller, the angle between the line of two rollers 12 is 60 °.In first group of roller, in the line of two rollers 12 and the 3rd group of roller, the angle between the line of two rollers 12 is 120 °.
A kind of orientation is to penetrating device, comprise inserting tube 4 and above-mentioned centralizer damper 1, inserting tube 4 is fixedly connected with described centralizer damper 1, described orientation also comprises the fixing centralizer 2 and be arranged on the winch 3 outside directional well well head 5 of well head that is arranged on directional well well head 5 to penetrating device, well head fixedly centralizer 2 contains fixed pulley 21, the cable 41 of inserting tube 4 can be connected with winch 3 through fixed pulley 21, winch 4 can raise and decentralize inserting tube 4 and centralizer damper 1, fixed pulley 21 makes the center line of cable 41 overlap with the center line of directional well well head 5 in the time of can making inserting tube 4 and centralizer damper 1 be lowered to directional well 7, as shown in Figure 4 and Figure 5.
At inserting tube 4 and centralizer damper 1, be lowered to after directional well, cable 41 can play three effects by this well mouth centering fastening devices 2: 1, prevent from turning round into 41 dozens, well cable.2, the cable 41 of assurance inserting tube 4 is state placed in the middle when entering well.3, be fixed on well head inserting tube 4 and 1 one fulcrums of centralizer damper to down-hole.
Concrete, described orientation comprises the centralizer damper 1 described in two to penetrating device, and one end of inserting tube 4 is fixedly connected with centralizer damper 1 screw thread, and the axis of inserting tube 4 overlaps with the center line of this centralizer damper 1; The other end of inserting tube 4 is fixedly connected with another centralizer damper 1 screw thread, and the center line of another centralizer damper 1 of the axis and this of inserting tube 4 overlaps.
Well head fixedly centralizer 2 also comprises for the fixing base fixed disk 22 of fixed pulley 21.Base fixed disk 22 is annular, and the bottom of base fixed disk 22 is provided with the casing adapter 23 for being connected with glass reinforced plastic sleeve.Winch 3 drives control by control device.
The above; be only specific embodiment of the utility model, can not limit the scope that utility model is implemented with it, so the displacement of its equivalent assemblies; or the equivalent variations of doing according to the utility model scope of patent protection and modification, all should still belong to the category that this patent is contained.
Claims (10)
1. a centralizer damper, it is characterized in that, described centralizer damper comprises centralizer damper body (13), the surface of centralizer damper body (13) is provided with a plurality of for supporting the roller (12) of centralizer damper body (13), and the axis of all rollers (12) is all identical to the distance of the center line (11) of centralizer damper body.
2. centralizer damper according to claim 1, is characterized in that: centralizer damper body (13) is cylindrical shape.
3. centralizer damper according to claim 1, is characterized in that: a plurality of rollers (12) are divided into many group rollers along the direction of the center line (11) of centralizer damper body.
4. centralizer damper according to claim 3, it is characterized in that: a plurality of rollers (12) are divided into three groups of rollers along the direction of the center line (11) of centralizer damper body, first group of roller in three groups of rollers contains two along the circumferential equally distributed roller of centralizer damper body (13) (12), second group of roller in three groups of rollers contains two along the circumferential equally distributed roller of centralizer damper body (13) (12), and the 3rd group of roller in three groups of rollers contains two along the circumferential equally distributed roller of centralizer damper body (13) (12).
5. centralizer damper according to claim 4, is characterized in that: in first group of roller, in the line of two rollers (12) and second group of roller, the angle between the line of two rollers (12) is 60 °.
6. centralizer damper according to claim 4, is characterized in that: in first group of roller, in the line of two rollers (12) and the 3rd group of roller, the angle between the line of two rollers (12) is 120 °.
7. an orientation is to penetrating device, it is characterized in that: described orientation comprises in inserting tube (4) and claim 1～6 centralizer damper (1) described in any one to penetrating device, inserting tube (4) is fixedly connected with described centralizer damper (1), described orientation also comprises the fixing centralizer (2) and be arranged on the outer winch (3) of directional well well head (5) of well head that is arranged on directional well well head (5) to penetrating device, well head fixedly centralizer (2) contains fixed pulley (21), the cable (41) of inserting tube (4) can pass fixed pulley (21) and be connected with winch (3), fixed pulley (21) makes the center line of cable (41) overlap with the center line of directional well well head (5) in the time of can making inserting tube (4) and centralizer damper (1) be lowered to directional well.
8. orientation according to claim 7 is to penetrating device, it is characterized in that: described orientation comprises the centralizer damper (1) described in two to penetrating device, one end of inserting tube (4) is fixedly connected with a centralizer damper (1), and the other end of inserting tube (4) is fixedly connected with another centralizer damper (1).
9. orientation according to claim 7, to penetrating device, is characterized in that: well head fixedly centralizer (2) also comprises for the fixing base fixed disk (22) of fixed pulley (21).
10. orientation according to claim 9, to penetrating device, is characterized in that: base fixed disk (22) is annular, and the bottom of base fixed disk (22) is provided with casing adapter (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576383.8U CN203488113U (en) | 2013-09-17 | 2013-09-17 | Centralizer resistance reducing device and orientated opposite penetrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576383.8U CN203488113U (en) | 2013-09-17 | 2013-09-17 | Centralizer resistance reducing device and orientated opposite penetrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203488113U true CN203488113U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320576383.8U Expired - Fee Related CN203488113U (en) | 2013-09-17 | 2013-09-17 | Centralizer resistance reducing device and orientated opposite penetrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203488113U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894780A (en) * | 2017-03-14 | 2017-06-27 | 天津森特聚尔新能源技术有限公司 | A kind of docking of L-type well magnetic steering inserting tube conveying device and docking calculation |
| CN109989716A (en) * | 2019-05-22 | 2019-07-09 | 贾晓鹏 | A kind of geophysical logging inserting tube clamping erection device |
-
2013
- 2013-09-17 CN CN201320576383.8U patent/CN203488113U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894780A (en) * | 2017-03-14 | 2017-06-27 | 天津森特聚尔新能源技术有限公司 | A kind of docking of L-type well magnetic steering inserting tube conveying device and docking calculation |
| CN109989716A (en) * | 2019-05-22 | 2019-07-09 | 贾晓鹏 | A kind of geophysical logging inserting tube clamping erection device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20210917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |