CN101131089B - Push-pull type multi-arm righting hole diameter micrologging instrument - Google Patents
Push-pull type multi-arm righting hole diameter micrologging instrument Download PDFInfo
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- CN101131089B CN101131089B CN2006101125245A CN200610112524A CN101131089B CN 101131089 B CN101131089 B CN 101131089B CN 2006101125245 A CN2006101125245 A CN 2006101125245A CN 200610112524 A CN200610112524 A CN 200610112524A CN 101131089 B CN101131089 B CN 101131089B
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Abstract
The push type multiple arm microelectrode well logger includes one link rod, one righting support arm, one microelectrode plate, one piston spring, caliper logging arms, one supporting arm and other parts. The microelectrode plate has the lower part supported with one main supporting arm fixed through one rotating shaft on the support casing and installed through one link rod on the driving shafttogether with the microelectrode sliding spring box; the righting support arm is connected through one other link rod to the sliding block; one built-in spring mounted on the driving shaft is contacted with the caliper logging arms during the shift of the driving shaft; and all the caliper logging arms are controlled with the driving shaft for synchronous stretching out and collecting. Each of the caliper logging arms can operate alone.
Description
Technical field
The present invention relates to a kind of logging instrument of open hole well, specifically, is a kind of push-pull type multi-arm righting hole diameter micrologging instrument.
Background technology
Existing hole diameter microelectrode combination logging tool mostly is to be made of two gage beams or four measuring arm, and two arms are to be symmetrically distributed in same sagittal plane position, and four arms are to be mutually equal angles to distribute in same sagittal plane position.Microelectrode is attached on one of them gage beam.This hole diameter microelectrode system instrument that two gage beams or four measuring arm arranged all is to promote gage beam by drive unit to open and be affixed to the well arm.Instrument has only a point to contact with the borehole wall in the axial direction.
Along with the development of oil field prospecting exploitation, the inclined shaft of probing is more and more, and hole condition is also complicated more, and is also more and more higher to the requirement of geologic parameter, need carry out more detailed description to the stratum, so that solve complicated more geological phenomenon.Above-mentioned hole diameter microelectrode combination logging tool can not be placed in the middle in inclined shaft, owing to have only a point to contact with the borehole wall in the axial direction, occurs swing easily.Therefore the needs of measuring inclined shaft can not have been satisfied.
Summary of the invention
The purpose of this invention is to provide a kind of push-pull type multi-arm righting hole diameter micrologging instrument that can under inclined shaft, obtain qualified geologic information with the function set upright.
The technical solution adopted for the present invention to solve the technical problems is: in support housing, drive motors is fixed in the housing, and power transmission shaft links to each other with drive motors and places the housing axle center, and power transmission shaft is connected by multistage.Many gage beam is divided into several groups in the axial direction, just can guarantee have multiple spot to contact with the well arm on the axial direction when work.The installation that has a certain degree mutually of adjacent gage beam group, the gage beam in every group arranges that in the radial direction equal angles every gage beam all is installed on the support housing by a rotating shaft.One end of every gage beam all is connected on the power transmission shaft by a connecting rod.Drive motors drives the power transmission shaft motion, and power transmission shaft just drives the rotating shaft of every gage beam on housing and rotates and open or draw in by being connected in top connecting rod.All gage beams all are to open simultaneously or draw in by the control of power transmission shaft.Down, each is organized gage beam and can work alone again in working order.
Description of drawings
Fig. 1 is a drive part structural representation of the present invention.
Fig. 2 is a microelectrode part-structure schematic diagram of the present invention.
Fig. 3 is a hole diameter part-structure schematic diagram of the present invention.
Fig. 4 sets upright the part-structure schematic diagram under of the present invention.
The specific embodiment
Shown in Figure 1 is drive part, and drive motors 2 and power transmission shaft 3 are fastened in the pressure bearing and seal tube 1, and power transmission shaft 3 is formed by connecting by multistage, is convenient to install.The drive motors 2 and the power transmission shaft 3 that connect are placed in the support housing 5 by 4 supports of pressure bearing and seal support plug.Support housing 5 also is formed by connecting by several parts, is convenient to install.
Be the microelectrode part shown in figure 2.Microelectrode plate 15 is fixed on the support housing 5 by the 11 usefulness rotating shafts 8 of microelectrode auxiliary support arm.Microelectrode plate 15 bottoms are supported with microelectrode master arm 12.The other end of microelectrode master arm 12 is fixed on the support housing 5 with rotating shaft 8.By connecting rod I9 microelectrode master arm 12 and microelectrode sliding spring box 10 are installed on the power transmission shaft 3 built-in spring 6.Set upright support arm I14 and be connected with slide block 7 by connecting rod II13, built-in spring 6 is installed on the power transmission shaft 3.Article three, set upright support arm I14 and microelectrode master arm 12 and be mutually 90 ° of distributions.Along with moving of power transmission shaft 3, driving superincumbent slide block 7 of connection and microelectrode sliding spring box 10 moves together, just drive microelectrode master arm 12 and set upright support arm I14 8 rotations around the shaft, so just guaranteed microelectrode master arm 12 and set upright support arm I14 and open or draw in by connecting rod I9 and connecting rod II13.After opening, it is motionless that power transmission shaft 3 just keeps, and microelectrode plate 15 and set upright support arm I14 stressed the time just drives microelectrode sliding spring box 10 and slide block 7 compression springs 6 by connecting rod I9 and connecting rod II13 again, plays a supportive role with elastic force.
Shown in Figure 3 is the hole diameter part.Caliper logging arm 19 is fixed on the support housing 5 by rotating shaft 8, and the cam portion of caliper logging arm 19 contacts with power transmission shaft 3 on one side, and another side contacts with piston rod 18.Piston spring 16 is installed on the piston rod 18, is contained in the spring case 17.Article four, caliper logging arm 19 all is mutually 90 ° of distributions by rotating shaft 8.When power transmission shaft 3 moved, piston spring 16 was delivered to elastic force on the caliper logging arm 19 by piston rod 18, had just guaranteed opening or drawing in of caliper logging arm 19.
Set upright part under being shown in Figure 4.Set upright support arm II20 and be fixed on the support housing 5 by rotating shaft 8, the other end of setting upright support arm II20 is with connecting rod III21 and set upright spring case 22 and be mounted on the power transmission shaft 3 built-in spring 6.Article four, set upright support arm II20 and all be connected in by a connecting rod III21 separately and set upright on the spring case 22, be mutually 90 ° of distributions.The lower end of power transmission shaft 3 is supported plug 4 by pressure bearing and seal and is supported, and seals with pressure bearing and seal storehouse 23 and is used for equilibrium pressure.Along with power transmission shaft 3 moves, drive and to set upright spring case 22 and move together, just drive and set upright support arm II20 and 8 rotate around the shaft by connecting rod III21, just guaranteed to set upright opening or drawing in of support arm II20.After opening, it is motionless that power transmission shaft 3 keeps, set upright support arm II20 stressed in, just drive by connecting rod III21 again and set upright spring case 22 compression springs 6, play a supportive role with elastic force.
In the course of the work, drive motors 2 drives power transmission shaft 3 and axially moves, power transmission shaft 3 just with superincumbent slide block 7, microelectrode sliding spring box 10 are installed, with the caliper logging arm 19 of power transmission shaft contact with set upright spring case 22 and move, so just drive corresponding microelectrode part (Fig. 2) and hole diameter part (Fig. 3) and under set upright partly that (Fig. 4) opens or draw in.At axial direction, just have microelectrode part (Fig. 2), hole diameter part (Fig. 3) and under set upright partly that (Fig. 4) three contacts site contact with the borehole wall, instrument in the down-hole with regard to more stable difficult swing.Simultaneously, microelectrode part (Fig. 2), hole diameter part (Fig. 3) and under set upright partly (Fig. 4) installation that has a certain degree mutually, angular range is 30 °～60 °, like this in axial tangent plane, adjacent funtion part just has three contact arms to contact with the borehole wall, has strengthened the stability of instrument.After opening, it is motionless that power transmission shaft 3 keeps, microelectrode part (Fig. 2), hole diameter part 3 and under set upright part 4 and when stressed, can independently draw in separately again.
The microelectrode part, the microresistivity that is used for the stratum is measured, and also plays centralizing function simultaneously;
The hole diameter part is used for the measurement of borehole size;
Under set upright part, be used for centralizing function;
The power transmission shaft of multistage combination is used for goes through torque conversion with drive motors and is in line mobilely, and transmits the required power of push-pull type multi-arm righting hole diameter micrologging instrument.
Control microelectrode part, hole diameter part simultaneously and set upright opening or drawing in of part down by a power transmission shaft, after opening, can work alone separately again.
Axial direction microelectrode part, hole diameter part and under set upright part installation at an angle to each other, guarantee that part adjacent in axial tangent plane has three support arms to contact with the borehole wall.
Microelectrode master arm and set upright support arm I and all be installed on the power transmission shaft by connecting rod is controlled its gathering or is opened by power transmission shaft, can control it by the elastic force of spring again and work alone after opening.
The caliper logging arm is controlled it by power transmission shaft and is opened or draw in, can control by the elastic force of piston spring again to work alone after opening.
Set upright support arm II and be installed on the power transmission shaft, control it by power transmission shaft and open or draw in, after opening, can control it by the elastic force of spring again and work alone by connecting rod.
Power transmission shaft can be expanded, and can articulate more gage beam and other with a power transmission shaft backup needs backup to paste the functor of the borehole wall.
Claims (4)
1. push-pull type multi-arm righting hole diameter micrologging instrument, comprise pressure bearing and seal tube (1), drive motors (2), power transmission shaft (3), support plug (4), support housing (5), spring (6), slide block (7), rotating shaft (8), connecting rod I (9), microelectrode sliding spring box (10), microelectrode auxiliary support arm (11), microelectrode master arm (12), connecting rod II (13), set upright support arm I (14), microelectrode plate (15), piston spring (16), spring case (17), piston rod (18), caliper logging arm (19), support arm II (20), connecting rod III (21), set upright spring case (22), pressure bearing and seal storehouse (23), it is characterized in that: drive motors (2) and power transmission shaft (3) are fastened in the pressure bearing and seal tube (1), and drive motors (2) and power transmission shaft (3) support plug (4) support by pressure bearing and seal and place in the support housing (5); Microelectrode plate (15) is fixed on the support housing (5) with rotating shaft (8) by microelectrode auxiliary support arm (11), microelectrode plate (15) bottom is supported with microelectrode master arm (12), the other end of microelectrode master arm (12) is fixed on the support housing (5) with rotating shaft (8), by connecting rod I (9) microelectrode master arm (12) and microelectrode sliding spring box (10) are installed on the power transmission shaft (3), setting upright support arm I (14) is connected with slide block (7) by connecting rod II (13), built-in spring (6) is installed in last and the moving along with power transmission shaft (3) of power transmission shaft (3), power transmission shaft (3) is connected with slide block (7), drives microelectrode master arm (12) and sets upright support arm I (14) (8) rotation around the shaft by connecting rod I (9) and connecting rod II (13); Caliper logging arm (19) is fixed on the support housing (5) by rotating shaft (8), the cam portion of caliper logging arm (19) contacts with power transmission shaft (3) on one side, another side contacts with piston rod (18), and piston spring (16) is installed on the piston rod (18), is contained in the spring case (17); Support arm II (20) is fixed on the support housing (5) by rotating shaft (8), the other end of support arm II (20) is with connecting rod III (21) and set upright spring case (22) and be mounted on the power transmission shaft (3), the lower end of power transmission shaft (3) is supported plug (4) by pressure bearing and seal and is supported, pressure bearing and seal storehouse (23) is connected with support housing (5), and connecting rod III (21) is connected with support arm II (20).
2. push-pull type multi-arm righting hole diameter micrologging instrument according to claim 1 is characterized in that: set upright support arm I more than (14) at least one, set upright support arm I (14) and microelectrode master arm (12) is mutually 90 ° of distributions.
3. push-pull type multi-arm righting hole diameter micrologging instrument according to claim 1 is characterized in that: the caliper logging arm is mutually 90 ° of distributions by rotating shaft (8) more than (19) at least one.
4. push-pull type multi-arm righting hole diameter micrologging instrument according to claim 1 is characterized in that: support arm II is more than (20) at least one, and the connecting rod III (21) by correspondence is connected in and sets upright on the spring case (22), and is mutually 90 ° of distributions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101125245A CN101131089B (en) | 2006-08-23 | 2006-08-23 | Push-pull type multi-arm righting hole diameter micrologging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101125245A CN101131089B (en) | 2006-08-23 | 2006-08-23 | Push-pull type multi-arm righting hole diameter micrologging instrument |
Publications (2)
| Publication Number | Publication Date |
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| CN101131089A CN101131089A (en) | 2008-02-27 |
| CN101131089B true CN101131089B (en) | 2010-11-03 |
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| CN2006101125245A Active CN101131089B (en) | 2006-08-23 | 2006-08-23 | Push-pull type multi-arm righting hole diameter micrologging instrument |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403298B (en) * | 2008-11-19 | 2012-07-25 | 陈耕 | Double-driving combination logging probe |
| CN102330550B (en) * | 2011-10-18 | 2014-01-15 | 上海大学 | Drifting tubular column carrying bidirectional-moving caliper for horizontal open-hole wells |
| CN106321077A (en) * | 2015-07-02 | 2017-01-11 | 中石化石油工程技术服务有限公司 | Four-arm microelectrode measuring instrument for borehole diameters |
| CN110965993B (en) * | 2019-11-19 | 2023-01-10 | 中国石油天然气集团有限公司 | Push-leaning type three-arm temperature logging instrument |
| CN113775328B (en) * | 2020-06-09 | 2024-06-25 | 中石化石油工程技术服务有限公司 | Output profile logging instrument and pushing power connector thereof |
| CN113802982A (en) * | 2021-09-27 | 2021-12-17 | 青岛康太源建设集团有限公司 | Building construction drilling equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4407157A (en) * | 1981-08-05 | 1983-10-04 | Dresser Industries, Inc. | Apparatus for measuring the diameter of a borehole |
| CN2344544Y (en) * | 1998-07-22 | 1999-10-20 | 汤井林 | Sidewall contact hole diameter microelectrode combined logging instrument |
| CN2372447Y (en) * | 1999-05-12 | 2000-04-05 | 中国海洋石油测井公司 | Eight-arm sidewall contact device of petroleum logging instrument |
| CN2753881Y (en) * | 2004-12-09 | 2006-01-25 | 王晓东 | Electronic-sensing type well-diameter micro electrode combined logging instrument |
-
2006
- 2006-08-23 CN CN2006101125245A patent/CN101131089B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4407157A (en) * | 1981-08-05 | 1983-10-04 | Dresser Industries, Inc. | Apparatus for measuring the diameter of a borehole |
| CN2344544Y (en) * | 1998-07-22 | 1999-10-20 | 汤井林 | Sidewall contact hole diameter microelectrode combined logging instrument |
| CN2372447Y (en) * | 1999-05-12 | 2000-04-05 | 中国海洋石油测井公司 | Eight-arm sidewall contact device of petroleum logging instrument |
| CN2753881Y (en) * | 2004-12-09 | 2006-01-25 | 王晓东 | Electronic-sensing type well-diameter micro electrode combined logging instrument |
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| CN101131089A (en) | 2008-02-27 |
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