CN204851093U - Stabilizer - Google Patents
Stabilizer Download PDFInfo
- Publication number
- CN204851093U CN204851093U CN201520388298.8U CN201520388298U CN204851093U CN 204851093 U CN204851093 U CN 204851093U CN 201520388298 U CN201520388298 U CN 201520388298U CN 204851093 U CN204851093 U CN 204851093U
- Authority
- CN
- China
- Prior art keywords
- centralizer
- wheel seat
- righting wheel
- body part
- righting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a stabilizer, including the stabilizer body with right the wheel seat, right the wheel seat pass through wheel seat bolted connection structure detachable fixing in on the stabilizer body. Right the wheel seat and pass through wheel seat bolted connection structure and stabilizer body releasable connection, if set upright or straight that the wheel seat damages the accessible more renew set upright or straight the wheel seat, reduced stabilizer's use cost, and when the sleeve pipe to different diameters, also can satisfy sleeve pipe diameter demand through changing the different wheel seats of setting upright or straight to stabilizer's commonality has been increased.
Description
Technical field
The utility model relates to a kind of centralizer.
Background technology
Oil well logging instrument is in well logging, instrument occupy pit shaft central authorities, the realistic requirement of the well-log information gathered, success log ratio is also higher, as instrument is not placed in the middle, the well-log information gathered there will be instability or truly can not reflect stratum characteristic, the meeting of simultaneous logging instrument and wall friction, shortens instrument application life.Therefore need to arrange centralizer, existing centralizer is disclosed in Chinese patent CN2844221Y " centralizer ", this centralizer comprises the centralizer body of the tubular construction that integrated axis extends along the longitudinal direction, around intrinsic at least three the righting wheel seats of circumferential interval welding on centralizer body, each righting wheel seat is all rotatably equipped with the pivot center bearing of trend righting wheel vertical with fore-and-aft direction.Be fixedly arranged on logger by centralizer during use, righting wheel coordinates with this with the inwall roll extrusion of sleeve pipe to ensure the placed in the middle of logger.Existing this centralizer Problems existing is: righting wheel seat can not be dismantled from centralizer body, if single righting wheel seat damages, just must replace whole centralizer, cause the use cost of centralizer very high, in addition for different oil wells, casing diameter is also different, and existing righting wheel seat can not be changed, each centralizer only can be suitable for a kind of sleeve pipe of aperture, and the versatility of centralizer is very poor; In addition in order to prevent the wheel shaft of righting wheel from deviating from by righting wheel seat, need wheel shaft to be made into Step Shaft, this will increase cost of manufacture and the installation difficulty of wheel shaft.
Summary of the invention
The purpose of this utility model is to provide a kind of righting wheel seat dismountable centralizer.
In order to solve the problem, the technical solution of the utility model is:
Centralizer, comprises centralizer body and righting wheel seat, and righting wheel seat is assigned on described centralizer body by wheel seat bolt fastening structure is dismantled and assembled.
Described centralizer body is the cover shape structure that axis extends along the longitudinal direction, centralizer body is provided with and described righting wheel seat installing hole one to one around circumference is spaced apart, described righting wheel seat comprises the left side passed by described installing hole from the inside to the outside, right plate, left, the righting wheel shaft that right plate is extended in left-right direction by axis is rotatably equipped with righting wheel, left, turn up to have and spacingly with described centralizer body coordinate with spacingly turning edge of limiting that righting wheel seat deviate from by described installing hole from the inside to the outside in the inner of right plate, described wheel seat bolt fastening structure is arranged at described spacingly to turn edge and between centralizer body.
The inner peripheral surface of described centralizer body offers for the described spacing mounting groove that turns edge loaded that turns edge.
Described left plate limits described righting wheel shaft towards moving left the limit with described righting wheel shaft left end spacing cooperation; Described right plate limits described righting wheel shaft towards moving right the limit with described righting wheel shaft right-hand member spacing cooperation.
Described righting wheel is made up of Teflon or plastics.
Described centralizer body is the cover shape structure that axis extends along the longitudinal direction, the body Part I that centralizer body is arranged by split and body Part II make-up form, and described body Part I is connected by body connecting bolt syndeton with body Part II.
The make-up end face of described body Part I and body Part II is step surface structure.
The beneficial effects of the utility model are: righting wheel seat is by wheel seat bolt fastening structure and centralizer body releasable connection, if righting wheel seat damages, by the righting wheel seat more renewed, reduce the use cost of centralizer, and when the sleeve pipe for different-diameter, also can meet casing diameter demand by changing different righting wheel seats, thus add the versatility of centralizer.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present utility model;
Fig. 2 is the right view of Fig. 1.
Detailed description of the invention
The embodiment of centralizer is as shown in Figure 1 and 2: comprise centralizer body and four around the spaced righting wheel seat 7 of centralizer body circumference, righting wheel seat is assigned on centralizer body by wheel seat bolt fastening structure is dismantled and assembled.Centralizer body is the cover shape structure that axis extends along the longitudinal direction, the body Part I 5 that centralizer body is arranged by split and body Part II 6 make-up form, body Part I is connected by body connecting bolt syndeton with body Part II, the make-up end face 10 of body Part I and body Part II is step surface structure, and body connecting bolt syndeton comprises the body connecting bolt 9 be installed on the make-up end face of body Part I and body Part II.Centralizer body is provided with and righting wheel seat installing hole one to one around circumference is spaced apart, righting wheel seat comprises the left plate 1 passed by installing hole from the inside to the outside, right plate 4, left, right plate is rotatably equipped with righting wheel 2 by the righting wheel shaft 3 extended in left-right direction, righting wheel is made up of Teflon material, left, turn up to have and spacingly with centralizer body coordinate with spacingly turning edge of limiting that righting wheel seat deviate from by installing hole from the inside to the outside in the inner of right plate, the inner peripheral surface of centralizer body offer for the spacing mounting groove that turns edge loaded that turns edge, wheel seat bolt fastening structure is arranged at spacing to turn edge and between centralizer body, wheel seat bolt fastening structure comprises and is threaded onto spacing turning edge and wheel seat connecting bolt 8 between centralizer body.Within the inner of wheel shaft is positioned at installing hole, therefore the left plate 1 of righting wheel seat coordinates to limit righting wheel towards moving left the limit with righting wheel shaft 3 left end is spacing, and right plate 4 and righting wheel shaft 3 right-hand member be spacing to be coordinated and to move right the limit to limit righting wheel shaft court.
During use, righting wheel seat passing by installing hole from the inside to the outside, left, spacing on right plate turn edge snap in centralizer body turn edge in mounting groove, then by wheel seat connecting bolt, righting wheel seat is fixed on centralizer body, when centralizer installed by needs on logger, by body Part I, body Part II radially spiral-lock is fixed on logger, then body connecting bolt is passed through by body Part I, body Part II is fixed together, just complete the installation of centralizer, centralizer can be clamped by draw-in groove and be fixed on logger, centralizer can also be fixed on logger by jackscrew.When logger enters well surveying examination, centralizer can contact the borehole wall, makes logger and the borehole wall keep certain distance, and then makes logger occupy the relative centre position of sleeve pipe, reaches the effect improving logging data quality.When high angle hole and horizontal cementing well logging, this centralizer changes the friction mode of logger and casing wall, reduce friction factor, when sleeve pipe liquid is clear water, make logger sliding to hole deviation more than 80 degree, improve well logging timeliness, nonmetallic righting wheel design, collision and the interference of fricative acoustic signals can be reduced, improve logging quality; Prevent wheel shaft from deviating from by left and right side plate and the end face of wheel shaft spacing cooperation, the safety that righting wheel uses can be ensured, also make the installation of righting wheel simple especially simultaneously; When using the sleeve pipe of different-diameter, only righting wheel seat need be changed.
In other embodiment of this centralizer: the interface of body Part I, body Part II also can be plane; Certain centralizer body also can adopt integrated structure; The number of righting wheel seat also can be arranged as required, such as one, two or other number; Installing hole on centralizer body also can not be established, and now righting wheel seat can be fixed on the outer peripheral face of centralizer body by wheel seat bolt fastening structure; Righting wheel also can be made up of plastics or metal material; The inner of wheel shaft also can not be positioned at installing hole.
Claims (7)
1. centralizer, comprises centralizer body and righting wheel seat, it is characterized in that: righting wheel seat is assigned on described centralizer body by wheel seat bolt fastening structure is dismantled and assembled.
2. centralizer according to claim 1, it is characterized in that: described centralizer body is the cover shape structure that axis extends along the longitudinal direction, centralizer body is provided with and described righting wheel seat installing hole one to one around circumference is spaced apart, described righting wheel seat comprises the left side passed by described installing hole from the inside to the outside, right plate, left, the righting wheel shaft that right plate is extended in left-right direction by axis is rotatably equipped with righting wheel, left, turn up to have and spacingly with described centralizer body coordinate with spacingly turning edge of limiting that righting wheel seat deviate from by described installing hole from the inside to the outside in the inner of right plate, described wheel seat bolt fastening structure is arranged at described spacingly to turn edge and between centralizer body.
3. centralizer according to claim 2, is characterized in that: the inner peripheral surface of described centralizer body offers for the described spacing mounting groove that turns edge loaded that turns edge.
4. centralizer according to claim 2, is characterized in that: described left plate limits described righting wheel shaft towards moving left the limit with described righting wheel shaft left end spacing cooperation; Described right plate limits described righting wheel shaft towards moving right the limit with described righting wheel shaft right-hand member spacing cooperation.
5. the centralizer according to claim 2 ~ 4 any one, is characterized in that: described righting wheel is made up of Teflon or plastics.
6. centralizer according to claim 1, it is characterized in that: described centralizer body is the cover shape structure that axis extends along the longitudinal direction, the body Part I that centralizer body is arranged by split and body Part II make-up form, and described body Part I is connected by body connecting bolt syndeton with body Part II.
7. centralizer according to claim 6, is characterized in that: the make-up end face of described body Part I and body Part II is step surface structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520388298.8U CN204851093U (en) | 2015-06-08 | 2015-06-08 | Stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520388298.8U CN204851093U (en) | 2015-06-08 | 2015-06-08 | Stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204851093U true CN204851093U (en) | 2015-12-09 |
Family
ID=54741651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520388298.8U Active CN204851093U (en) | 2015-06-08 | 2015-06-08 | Stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204851093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762427A (en) * | 2016-08-18 | 2018-03-06 | 中国石油化工股份有限公司 | A kind of rigid centralizer |
-
2015
- 2015-06-08 CN CN201520388298.8U patent/CN204851093U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762427A (en) * | 2016-08-18 | 2018-03-06 | 中国石油化工股份有限公司 | A kind of rigid centralizer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204851093U (en) | Stabilizer | |
| CN109854228B (en) | Geophysical logging instrument convenient to control for oil exploration | |
| CN101581203A (en) | Near-bit centralizer of riser pipe under simulated injection method | |
| CN103091404A (en) | Self-adaptive tracking probe applied to ultrasonic scanning detection | |
| CN208815703U (en) | A kind of spiral energy-dissipating and shock-absorbing constraint support device | |
| CN102749654A (en) | Little loop support device for lanes and tunnels in underground transient electromagnetic method | |
| CN207034080U (en) | Axial vibration damper for measurement while-drilling instrument | |
| CN206093487U (en) | Connecting section bar | |
| CN110644974B (en) | Method for preventing continuous gyro inclinometer from autorotation in oil well | |
| CN103171575B (en) | A kind of locomotive bindiny mechanism and locomotive three-axle bogie radial direction mechanism | |
| CN205675471U (en) | The support supporting construction of drilling rod | |
| CN111878007A (en) | Self-adaptive friction-reducing resistance centralizer | |
| CN204527542U (en) | The device of focus array subarray spacing relative position is stablized in water | |
| CN207842442U (en) | Nib assembly device | |
| CN206530302U (en) | Centralizer and horizontal positioning drill guide detection system | |
| CN203126874U (en) | Connection mechanism for locomotive and locomotive three-axle bogie radial mechanism | |
| CN205744805U (en) | A kind of shock absorber fitting bolt and use its bumper installation structure | |
| CN111105898A (en) | Cable for rail transit with angle-adjustable mounting bracket | |
| CN219840595U (en) | Spring piece centralizer suitable for different sleeves | |
| CN113983041A (en) | Marine riser vortex-induced vibration suppression device | |
| CN205618823U (en) | Double bracing formula elastic supporting tube card mechanism | |
| CN203796184U (en) | Resistance and torque reducing device for drill stem | |
| CN104290663A (en) | Novel automobile rearview mirror folding mechanism | |
| CN204821556U (en) | Hang a round assembly | |
| CN115075752B (en) | Drilling deviation preventing structure for geotechnical engineering investigation and use method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |