CN2921257Y - Centering guide for wellhole verticality measurement - Google Patents
Centering guide for wellhole verticality measurement Download PDFInfo
- Publication number
- CN2921257Y CN2921257Y CNU2005201447729U CN200520144772U CN2921257Y CN 2921257 Y CN2921257 Y CN 2921257Y CN U2005201447729 U CNU2005201447729 U CN U2005201447729U CN 200520144772 U CN200520144772 U CN 200520144772U CN 2921257 Y CN2921257 Y CN 2921257Y
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- Prior art keywords
- holding
- tube
- wellhole
- test
- pull bar
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Abstract
A centralizer for borehole verticality testing comprises a righting barrel, a pull rod mechanism provided in said righting barrel, a pull rope that controls the vertical movement of said pull rod mechanism and multiple righting plates provided symmetrically around said righting barrel. Said pull rod mechanism opens and closes said righting plate with multiple parallelogram mechanisms respectively; a tester fixing device is also provided in said righting barrel. The utility model is characterized by simple structure, ease of use, low cost and reliable righting performance. The vertical movement of the pull rod mechanism is controlled by the pull rope, driving the parallelogram mechanism to rotate clockwise and anticlockwise, so that the righting plate opens or closes, centering the tester on the borehole.
Description
Technical field:
The utility model relates to a kind of erection device, especially a kind of centralizer that is used for the test of wellhole verticality.
Background technology:
When the wellhole verticality is tested, generally instrument is put into wellhole by cable, can be in the centre of wellhole for making tester, therefore often need centralizer to assist its location.Transferring to of spring chip centralizer existence is difficult in the wellhole, in a single day spring leaf is obstructed easy jammed defective in order to solve in the prior art, has designed the centralizer that a kind of spring leaf can open or close up as required.For example, ZL91206400.5 number disclosed oil well test centralizer of China's utility model patent, it comprises shell and is located at the interior control circuit of shell, motor, ball screw, ball, the ball overcoat, drive sleeve, core bar, positioning sleeve, upper sliding sleeve, the compression spring, low sleeve, steel wire etc., during work, control circuit control motor just changes, the drive screw mandrel rotates, promote the ball overcoat successively by ball, drive sleeve, core bar moves down, core bar drives positioning sleeve again, upper sliding sleeve moves down, steel wire is opened with the wellhole inwall to be contacted, thereby tester is set upright centre in wellhole, when steel wire need draw in, control circuit was controlled motor counter-rotating again and is made to move on the said mechanism and get final product.Though this centralizer has solved the above-mentioned defective of spring chip centralizer, also exists following deficiency: 1, owing to having increased control circuit and motor, so cost increases considerably; 2, when setting upright work, the contact surface that opens back and wellhole inwall owing to steel wire is very little, thereby is difficult to guarantee that tester can be in the centre of wellhole, and it is unreliable to set upright performance; 3, structure is very complicated.
The utility model content:
The technical problem that the utility model solves is the deficiency that overcomes above-mentioned prior art, and a kind of centralizer that is used for the test of wellhole verticality is provided, and it is not only simple in structure, easy to use, cost is low, and sets upright dependable performance.
A kind of centralizer that is used for wellhole verticality test that provides according to the utility model, comprise and hold up tube, described holding up is provided with a drag link mechanism in the tube, described drag link mechanism is controlled it by a stay cord and is moved up and down, a described periphery of holding up is arranged with a plurality of plates of holding up, and described drag link mechanism is controlled the described folding of holding up plate respectively by a plurality of parallel-crank mechanisms; The described fastening devices that also is provided with the fixing test instrument in the tube of holding up.
The utility model also has following attached technical characterictic:
Described drag link mechanism comprises is located at described first pull bar of holding up an internal upper part center, be fixed on the backstop of the described first pull bar lower end, first sleeve of being located at described backstop below and can supplying described first pull bar to pass freely through, be located at the cross driving-disc of described backstop top, second sleeve of being located at described cross driving-disc top and can supplying described first pull bar to pass freely through, four second pull bars that are fixed on the tension spring of the described second sleeve lower end and are symmetricly set on four ends of described cross driving-disc; The described periphery of tube of holding up is arranged with the bilevel described plate of holding up, and every layer has four, and the two ends up and down of described each root second pull bar and described hold up plate between corresponding with its position all connect by a parallel-crank mechanism.
Described each parallel-crank mechanism includes two isometric rocking arms, one end of described two rocking arms is rotatably connected to the described plate of holding up, the other end is rotatably connected to the described perisporium of tube of holding up, and a rocking arm wherein extends to described holding up in the tube, and is rotatably connected to an end of described pull bar.
Described fastening devices comprise be located at described first sleeve below fixed head, be symmetricly set on described two stop blocks holding up a bottom and be used for clamping test instrument bottom, then be provided with the through hole that passes for described pull bar on the described fixed head and be used for the through hole of clamping test instrument upper end.
The described plate of holding up is a watt shape, and its radian is consistent with the radian of wellhole inwall.
The described tube of holding up is spliced by three sections cylindrical body, and its top and bottom are equipped with opening, also are provided with eight through holes corresponding with holding up Board position on the perisporium, and an end of described rocking arm is hinged on holding up on the barrel in the through hole.
The described periphery of tube of holding up is provided with the multistage guard ring.
According to a kind of centralizer that is used for the test of wellhole verticality that the utility model provides, prior art has following advantage relatively:
At first, the utility model moves up and down by stay cord control pull rod mechanism, drive parallel-crank mechanism suitable, be rotated counterclockwise, make and hold up plate to open or close up, thereby tester is set upright centre in wellhole, thereby easy to use.
Secondly, the utility model has replaced machinery and circuit structure combining in the prior art with simple mechanical mechanism under the prerequisite with prior art said function, thereby simple in structure, cost also reduces significantly.
Once more, the utility model holds up plate to replace steel wire of the prior art to cooperate with the wellhole inwall with polylith, and contact area increases greatly, thereby can guarantee effectively that tester is in the centre of wellhole, and it is very reliable to set upright performance.
Description of drawings:
The embodiment that provides below in conjunction with accompanying drawing is elaborated to the utility model:
A kind of structural representation that be used for the centralizer of wellhole verticality test of Fig. 1 for providing according to the utility model.
The specific embodiment:
Referring to Fig. 1, a kind of embodiment that provides as the utility model, this is used for the centralizer of wellhole verticality test, comprise and hold up tube 1, described holding up in the tube 1 is provided with a drag link mechanism 11, it moves up and down described drag link mechanism 11 by a stay cord 2 controls, during specific design, stay cord 2 can be locked by the locking device that is arranged on well head, described tube 1 periphery of holding up is arranged with a plurality of plates 12 of holding up, and described drag link mechanism 11 is controlled the described folding of holding up plate 12 respectively by a plurality of parallel-crank mechanisms 13; The described fastening devices that also is provided with fixing test instrument 4 in the tube 1 of holding up.This centralizer is mainly used in setting upright of tester in the MD-01 moldeed depth hole perpendicularity detector, suitable well diameter is 134mm～156mm, can implement to set upright in the optional position of 50m well depth, mechanism's each several part adopts antimagnetic material, it moves up and down by stay cord 2 control pull rod mechanisms 11, drive parallel-crank mechanism 13 suitable, be rotated counterclockwise, make and hold up plate 12 to open or close up, thereby it is tester 4 is set upright centre in wellhole, thereby easy to use; And this centralizer has replaced machinery and circuit structure combining in the prior art with simple mechanical mechanism under the prerequisite with prior art said function, thereby simple in structure, cost also reduces significantly.
Referring to Fig. 1, drag link mechanism 11 comprises is located at first pull bar 111 of holding up tube 1 internal upper part center, be fixed on the backstop 112 of first pull bar, 111 lower ends, first sleeve 113 of being located at backstop 112 belows and can supplying first pull bar 111 to pass freely through, be located at the cross driving-disc 114 of backstop 112 tops, second sleeve 117 of being located at cross driving-disc 114 tops and can supplying first pull bar 111 to pass freely through, four second pull bars 115 that are fixed on the tension spring 116 of second sleeve, 117 lower ends and are symmetricly set on 114 4 ends of cross driving-disc, wherein, first sleeve 113, the cross driving-disc 114 and second sleeve 117 all are fixed on the inwall of holding up tube 1, and cross driving-disc 114 is formed by the two block sizes plate quadrature consistent with length; Hold up the periphery of tube 1 to be arranged with the bilevel plate 12 of holding up, every layer has four, and the two ends up and down of each root second pull bar 115 and hold up plate 12 between corresponding with its position all connect by a parallel-crank mechanism 13.Each parallel-crank mechanism 13 includes two isometric rocking arms 131 and 132, two rocking arms 131 and an end of 132 are with holding up plate 12 to be rotatably connected to, the other end is rotatably connected to the perisporium of holding up tube 1, and a rocking arm wherein extends in holding up tube 1, and is rotatably connected to an end of second pull bar 115.
As mentioned above, hold up plate 12 to be a watt shape, its radian is consistent with the radian of wellhole inwall (to be that each holds up plate 12 after opening, hold up the outer face of plate 12 closely to contact) with corresponding position wellhole inwall, the utility model holds up plate 12 to replace steel wire of the prior art to cooperate with the wellhole inwall with two-layer symmetrically arranged 8 watts of shapes about dividing, contact area increases greatly, thereby can guarantee effectively that tester is in the centre of wellhole, and it is very reliable to set upright performance.
Fastening devices comprise be located at first sleeve, 113 belows fixed head 141, be symmetricly set on and hold up tube 1 bottom and be used for two stop blocks 142 of clamping test instrument bottom, then be provided with the through hole that passes for second pull bar 115 on the fixed head 141 and be used for the through hole of clamping test instrument upper end.Hold up tube 1 to be spliced by three sections cylindrical body, its top and bottom are equipped with opening, the opening on top is used to pass stay cord 2 and the cable 3 that is connected tester 4, the opening of bottom is used to pass the head of tester 4, hold up the perisporium of tube 1 to be provided with eight through holes 121 corresponding; an end of rocking arm is hinged on holding up on the barrel in the through hole 121, hold up the periphery of tube 1 also to be provided with multistage guard ring 15, damage parts when avoiding holding up tube 1 in well, to move up and down collide hole wall with holding up plate 12 positions.
Operating principle of the present utility model is: at ordinary times, hold up plate 12 to be in and close up state; After centralizer is put into the wellhole desired depth, upwards spur stay cord 2, drive first pull bar 111, cross driving-disc 114 successively, four second pull bars 115 move up, simultaneously, parallel-crank mechanism 13 turns clockwise, make and to hold up plate outwards to open, till fitting, thereby tester is set upright centre in wellhole with the wellhole inwall; When test finishes centralizer need be taken the time, unclamp stay cord 2, this moment, first pull bar 111, cross driving-disc 114, four second pull bars 115 all resetted downwards under the effect of tension spring 116, parallel-crank mechanism 13 is rotated counterclockwise, and holds up plate also to reset to the initial state that closes up.
The foregoing description is only for the usefulness that the utility model is described; and be not to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (7)
1, a kind of centralizer that is used for the test of wellhole verticality, comprise and hold up tube (1), it is characterized in that: described holding up in the tube (1) is provided with a drag link mechanism (11), described drag link mechanism (11) is controlled it by stay cord (2) and is moved up and down, described tube (1) periphery of holding up is arranged with a plurality of plates (12) of holding up, and described drag link mechanism (11) is controlled the described folding of holding up plate (12) respectively by a plurality of parallel-crank mechanisms (13); The described fastening devices that also is provided with the fixing test instrument in the tube (1) of holding up.
2, a kind of centralizer that is used for the test of wellhole verticality according to claim 1 is characterized in that: described drag link mechanism (11) comprises is located at described first pull bar (111) of holding up tube (1) internal upper part center, be fixed on the backstop (112) of described first pull bar (111) lower end, first sleeve (113) of being located at described backstop (112) below and can supplying described first pull bar (111) to pass freely through, be located at the cross driving-disc (114) of described backstop (112) top, second sleeve (117) of being located at described cross driving-disc (114) top and can supplying described first pull bar (111) to pass freely through, four second pull bars (115) that are fixed on the tension spring (116) of described second sleeve (117) lower end and are symmetricly set on (114) four ends of described cross driving-disc; The described periphery of tube (1) of holding up is arranged with the bilevel described plate (12) of holding up, every layer has four, and the two ends up and down of described each root second pull bar (115) and described hold up plate (12) between corresponding with its position all connect by a parallel-crank mechanism (13).
3, a kind of centralizer that is used for the test of wellhole verticality according to claim 2, it is characterized in that: described each parallel-crank mechanism (13) includes two isometric rocking arms (131,132), one end of described two rocking arms (131,132) is rotatably connected to the described plate (12) of holding up, the other end is rotatably connected to the described perisporium of tube (1) of holding up, and a rocking arm wherein extends to described holding up in the tube (1), and is rotatably connected to an end of described second pull bar (115).
4, a kind of centralizer that is used for the test of wellhole verticality according to claim 2, it is characterized in that: described fastening devices comprises the fixed head (141) of being located at described first sleeve (113) below, is symmetricly set on described two stop blocks (112) of holding up tube (1) bottom and being used for clamping test instrument bottom, then is provided with the through hole that passes for described second pull bar (115) on the described fixed head (141) and is used for the through hole of clamping test instrument upper end.
5, according to claim 1 or 2 or 3 or 4 described a kind of centralizers that are used for the test of wellhole verticality, it is characterized in that: the described plate (12) of holding up is a watt shape, and its radian is consistent with the radian of wellhole inwall.
6, according to claim 1 or 2 or 3 or 4 described a kind of centralizers that are used for the test of wellhole verticality, it is characterized in that: the described tube (1) of holding up is spliced by three sections cylindrical body, its top and bottom are equipped with opening, also be provided with eight through holes (121) corresponding with holding up plate (12) position on the perisporium, an end of described rocking arm is hinged on holding up on the barrel in the through hole (121).
7, a kind of centralizer that is used for the test of wellhole verticality according to claim 6 is characterized in that: the described periphery of tube (1) of holding up is provided with multistage guard ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201447729U CN2921257Y (en) | 2005-12-20 | 2005-12-20 | Centering guide for wellhole verticality measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201447729U CN2921257Y (en) | 2005-12-20 | 2005-12-20 | Centering guide for wellhole verticality measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2921257Y true CN2921257Y (en) | 2007-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201447729U Expired - Fee Related CN2921257Y (en) | 2005-12-20 | 2005-12-20 | Centering guide for wellhole verticality measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2921257Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033146A (en) * | 2014-06-04 | 2014-09-10 | 成都来宝石油设备有限公司 | Oil well perpendicularity measuring tool convenient to disassemble |
| CN104033145A (en) * | 2014-06-04 | 2014-09-10 | 成都来宝石油设备有限公司 | Oil well measurement tool |
| CN104712319A (en) * | 2015-03-13 | 2015-06-17 | 成都大漠石油机械有限公司 | Oil well gradient measuring device |
| CN104790937A (en) * | 2015-03-13 | 2015-07-22 | 成都大漠石油机械有限公司 | Real-time monitoring mechanism for oil well conditions |
| CN110631797A (en) * | 2019-10-17 | 2019-12-31 | 中国石油集团渤海钻探工程有限公司 | Dynamic impact test device for rigid and semi-rigid centralizer |
| CN111426562A (en) * | 2020-04-26 | 2020-07-17 | 鞍山昊成石油机械制造有限公司 | Centralizer performance detection device and detection method |
-
2005
- 2005-12-20 CN CNU2005201447729U patent/CN2921257Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033146A (en) * | 2014-06-04 | 2014-09-10 | 成都来宝石油设备有限公司 | Oil well perpendicularity measuring tool convenient to disassemble |
| CN104033145A (en) * | 2014-06-04 | 2014-09-10 | 成都来宝石油设备有限公司 | Oil well measurement tool |
| CN104033145B (en) * | 2014-06-04 | 2016-10-05 | 新昌县羽林街道昱泉机械厂 | Well measurement instrument |
| CN104033146B (en) * | 2014-06-04 | 2017-01-04 | 成都来宝石油设备有限公司 | The oil well verticality measuring tool of convenient dismounting |
| CN104712319A (en) * | 2015-03-13 | 2015-06-17 | 成都大漠石油机械有限公司 | Oil well gradient measuring device |
| CN104790937A (en) * | 2015-03-13 | 2015-07-22 | 成都大漠石油机械有限公司 | Real-time monitoring mechanism for oil well conditions |
| CN110631797A (en) * | 2019-10-17 | 2019-12-31 | 中国石油集团渤海钻探工程有限公司 | Dynamic impact test device for rigid and semi-rigid centralizer |
| CN111426562A (en) * | 2020-04-26 | 2020-07-17 | 鞍山昊成石油机械制造有限公司 | Centralizer performance detection device and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: INERTIAL AEROSPACE SCIENCE AND INDUSTRY TECHNOLOG Free format text: FORMER OWNER: BEIJING HANGTIANWANXIN SCIENCE CO., LTD. Effective date: 20080606 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080606 Address after: Beijing City, Fengtai Science City Haiying Road No. 1 1-10, zip code: 100070 Patentee after: Aerospace Science and Industry Inertia Technology Co., Ltd. Address before: Beijing City, Fengtai Science City Haiying Road No. 3 wonew, zip code: 100070 Patentee before: Hangtian Wanxi Science & Technology Co., Ltd., Beijing |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070711 Termination date: 20121220 |