CN201705338U - Sidewall contact device of combination logging instrument - Google Patents
Sidewall contact device of combination logging instrument Download PDFInfo
- Publication number
- CN201705338U CN201705338U CN2010202521034U CN201020252103U CN201705338U CN 201705338 U CN201705338 U CN 201705338U CN 2010202521034 U CN2010202521034 U CN 2010202521034U CN 201020252103 U CN201020252103 U CN 201020252103U CN 201705338 U CN201705338 U CN 201705338U
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- Prior art keywords
- spring
- assembly
- casing
- arm
- pole plate
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- Expired - Fee Related
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Abstract
A sidewall contact device of a combination logging instrument comprises a protective cap, a lower plug and a casing. The sidewall contact device is characterized in that the casing comprises an upper casing, a lower casing and a Y-shaped crawler, an upper joint is connected between the upper casing and the protective cap, a power source socket is arranged in the upper joint and is connected with a motor arranged in the upper casing, a transmission assembly, a pressure balance assembly, a borehole diameter potentiometer, a spring assembly and a hinge assembly are downwards arranged in sequence along the axial direction of the motor, the hinge assembly comprises a connecting frame, an upper connecting rod and a lower connecting rod, the upper and lower connecting rods are respectively connected with a sidewall contact arm and a lower supporting arm, the sidewall contact arm is connected with a polar plate bracket, a polar plate is mounted on the polar plate bracket, the polar plate bracket and the lower casing are both hinged with an upper arm, and the lower casing is connected with the lower plug. The sidewall contact device increases logging efficiency and logging quality greatly, is stable and reliable in operation, and has the advantages of wide applicable range, simple structure, convenient use, capability of reducing maintenance cost and the like.
Description
Technical field
The utility model relates to the oil reservoir logging technical field, specifically a kind of combined telescoping ram for logging instrument of once finishing caliper logging.
Background technology
Because geological conditions and drilling technology is different, drill bit is withdrawn from the back borehole wall, and situations such as pressure extrusion is out of shape, loose geology pull-up falls may take place, so the oil field at first will be measured hole diameter by logging equipment before following pipe variation, what this logging equipment was more common is exactly telescoping ram, but the mechanism of telescoping ram is unreasonable at present, the backup spring force is little and easily get rusty, and pole plate is prone to push away and receives fault and cause well logging to be hampered.
Summary of the invention
The purpose of this utility model provides a kind of combined telescoping ram for logging instrument of once finishing caliper logging.
The purpose of this utility model is achieved in that it includes helmet, lower end cap, housing, the pole plate carriage, pole plate and backup arm, it is characterized in that: described housing comprises upper shell and lower house, between upper shell and lower house, be set with the herringbone crawl device, between upper shell and helmet, be connected with top connection, in top connection, be provided with electrical socket, this electrical socket motor interior with being arranged on upper shell is connected, this motor shaft is disposed with drive assembly to downwards, the pressure balance assembly, hole diameter potentiometer assembly, main assemblage of spring and hinge assembly, wherein drive assembly is connected with main assemblage of spring by thrust plate, main assemblage of spring also is connected with the hinge assembly with hole diameter potentiometer assembly, the hinge assembly includes link span and the last connecting rod and the lower link that are hinged on the link span, described lower link is connected with lower branch arm, last connecting rod is connected with backup arm, backup arm is connected with the pole plate carriage, the pole plate carriage is provided with pole plate, this pole plate carriage and lower house are all hinged with upper arm, and lower house connects lower end cap.
Described drive assembly includes power transmission shaft, the power transmission shaft upper end connects motor output shaft by shaft coupling, the power transmission shaft lower end is connected with leading screw by bearing support and bearing, leading screw is arranged in the stop sleeve and with screw and is connected, the screw upper thrust rod interior with being arranged on transition joint is connected, and this upper push-rod is connected with lower push-rod.
Described lower push-rod also is connected with thrust plate, and thrust plate is connected with main assemblage of spring.
Described main assemblage of spring includes spring, spring lever, and the spring lever upper axial end is provided with the spring platen of band telescopic spring joint, and the spring lever lower axial end is set with loose collar, and this loose collar is connected with thrust plate.
Described pressure balance assembly comprises sealing nut, sealing cap and limited block.
Described hole diameter potentiometer assembly comprises fixed mount, fixed mount is provided with the stifled spring base of band oil, upper axial end at spring base is provided with the seal nipple that has the hole diameter retaining ring, lower axial end at spring base is provided with sealing cap, and the axial centre position of spring base is provided with telescopic spring pulling potentiometer.
The utility model integrates driving, transmission device and the well logging apparatus of backup structure, and its well logging is once finished, and improves logging efficiency greatly; The herringbone crawl device axially rotates the formation augmented thrust, remains on position stable in high angle hole, the horizontal well test job process, reliable required well logging, improves logging quality greatly; Hole diameter potentiometer assembly band hydraulic pressure; Its applied range footpath of not only can logging well can also the micrometer electrode, data such as microballoon, also possess simple in structure, easy to use, reduce advantage such as maintenance cost.
Description of drawings
Fig. 1 is a broken section simplified schematic diagram of the present utility model;
Fig. 2 is drive assembly 6 and pressure balance assembly 8 complete section structure for amplifying simplified schematic diagram among Fig. 1;
Fig. 3 is the complete section structure for amplifying simplified schematic diagram of hole diameter potentiometer assembly 9 and partial spring assembly 10 among Fig. 1;
Fig. 4 for the A-A of Fig. 1 to analysing and observe the structure for amplifying simplified schematic diagram;
Fig. 5 is part main assemblage of spring 10 and hinge assembly 13 and an axially following duty complete section structure for amplifying simplified schematic diagram thereof among Fig. 1.
The utility model is described in further detail by example below in conjunction with accompanying drawing; but following example only is the utility model example wherein; the rights protection scope of not representing the utility model and being limited, rights protection scope of the present utility model is as the criterion with claims.
The specific embodiment
Shown in Fig. 1～5, the utility model primary structure helmet 1, lower end cap 17 and housing, this housing comprises upper shell 4 and lower house 18, between upper shell 4 and lower house 18, be set with herringbone crawl device 7, between upper shell 4 and helmet 1, be connected with top connection 2, in top connection 2, be provided with electrical socket 3, this electrical socket 3 is connected with motor 5 in being arranged on upper shell 4, this motor shaft is disposed with drive assembly 6 to downwards, pressure balance assembly 8, hole diameter potentiometer assembly 9, main assemblage of spring 10 and hinge 13 assemblies, wherein drive assembly 6 includes power transmission shaft, the power transmission shaft upper end connects motor output shaft by shaft coupling 601, the power transmission shaft lower end is connected leading screw 604 by bearing support 602 with bearing 603, leading screw 604 is arranged in the stop sleeve 605 and with screw 607 and is connected, screw 607 is connected with upper thrust rod 608 in being arranged on transition joint 606, this upper push-rod 608 is connected with lower push-rod 609, lower push-rod 609 also is connected with the thrust plate 20 near housing, lower push-rod 609 is sleeved in the pressure balance assembly 8, this pressure balance assembly 8 comprises sealing nut 801, sealing cap 802 and limited block 803, hole diameter potentiometer assembly 9 comprises fixed mount 906, fixed mount 906 is provided with the spring base 903 of band oil stifled 905, upper axial end at spring base 903 is provided with the seal nipple 902 that has hole diameter retaining ring 901, lower axial end at spring base 903 is provided with sealing cap 907, the axial centre position of spring base is provided with telescopic spring pulling potentiometer 904, main assemblage of spring 10 includes spring 1004, spring lever 1003, spring lever 1003 upper axial end are provided with the spring platen 1002 of band telescopic spring joint 1001, spring lever 1003 lower axial end are set with movable 1005 rings, this loose collar 1005 is connected with thrust plate 20, and telescopic spring joint 1001 is connected by drive link 19 with telescopic spring pulling potentiometer 904.Hinge assembly 13 includes link span 1301 and the last connecting rod 1302 and the lower link 1303 that are hinged on the link span 1301, described lower link 1303 is connected, goes up connecting rod 1302 and is connected with backup arm 16 with lower branch arm 12, backup arm 16 is connected with pole plate carriage 14, pole plate carriage 14 is provided with pole plate 15, this pole plate carriage 14 and lower house 18 are all hinged with upper arm 11, and lower house 18 connects lower end cap 17.
The course of work
1. whether first inspection apparatus is normal before using, and unloads helmet 1, and whether the insulating properties of inspection apparatus and break-make be good.
2. after the passed examination, top connection 2 links to each other with the ground transmission mechanism, by the ground transmission mechanism instrument is transported to the position of the required well logging of oil well during well logging, when to the test of high angle hole, horizontal well, axially rotate by the herringbone crawl device and to form augmented thrust, will reach the position that instrument is carried required well logging.
3. power to socket 3 by cable, give motor 5 power supplies by socket 3 again, motor 5 work, drive drive assembly 6 work by shaft coupling 601, promote upper thrust rod 607, lower thrust rod 608 motions by bearing support 602, bearing 603, leading screw 604, stop sleeve 605, transition joint 606 again, moved downward vertically by lower thrust rod 608 pulling thrust plates 20, pressure balance assembly 8 pressure of being made up of sealing nut 801, sealing cap 802, limited block 803 increase again.
4. thrust plate 20 axially promotes downwards, power is sent on the loose collar 1005 of main assemblage of spring 10, by loose collar 1005 folding and unfolding springs 1004, promote the link span 1301 of hinge assembly 13, last connecting rod 1302 and lower link 1303 by hinge assembly 13 is transported to thrust on backup arm 16 and the lower branch arm 12 respectively again, reach pole plate carriage 14 and upper arm 11 again, pole plate carriage 14 is held in the palm pole plate 15 to desired location, cause lower branch arm 12 and pole plate carriage 14 to be opened, pole plate 15 on support arm 12 and the pole plate carriage 14 abuts on the borehole wall, this moment, motor 5 quit work, pressure balance this moment assembly 8 produces negative pressure, improve the stability of drive assembly 6, the well logging work of instrument begins.Change by telescopic spring pulling potentiometer 904 strokes, well radius variations and the plate signal that records is sent to hole diameter potentiometer assembly 9 by cable, subsequently information is reached ground, thereby obtain information needed.
5. after finishing well logging work, power supply is oppositely powered to motor 5 once more, and the gathering work of lower branch arm 12 and pole plate 15 etc. is finished in motor 5 counter-rotatings.By the ground driver instrument is risen to ground again, finish logging tasks.
Claims (6)
1. combined telescoping ram for logging instrument, it includes helmet, lower end cap, housing, the pole plate carriage, pole plate and backup arm, it is characterized in that: described housing comprises upper shell and lower house, between upper shell and lower house, be set with the herringbone crawl device, between upper shell and helmet, be connected with top connection, in top connection, be provided with electrical socket, this electrical socket motor interior with being arranged on upper shell is connected, this motor shaft is disposed with drive assembly to downwards, the pressure balance assembly, hole diameter potentiometer assembly, main assemblage of spring and hinge assembly, wherein drive assembly is connected with main assemblage of spring by thrust plate, main assemblage of spring also is connected with the hinge assembly with hole diameter potentiometer assembly, the hinge assembly includes link span and the last connecting rod and the lower link that are hinged on the link span, described lower link is connected with lower branch arm, last connecting rod is connected with backup arm, backup arm is connected with the pole plate carriage, the pole plate carriage is provided with pole plate, this pole plate carriage and lower house are all hinged with upper arm, and lower house connects lower end cap.
2. combined telescoping ram for logging instrument according to claim 1, it is characterized in that: described drive assembly includes power transmission shaft, the power transmission shaft upper end connects motor output shaft by shaft coupling, the power transmission shaft lower end is connected with leading screw by bearing support and bearing, leading screw is arranged in the stop sleeve and with screw and is connected, the screw upper thrust rod interior with being arranged on transition joint is connected, and this upper push-rod is connected with lower push-rod.
3. combined telescoping ram for logging instrument according to claim 2 is characterized in that: described lower push-rod also is connected with thrust plate, and thrust plate is connected with main assemblage of spring.
4. according to claim 1 or 3 described combined telescoping ram for logging instrument, it is characterized in that: described main assemblage of spring includes spring, spring lever, the spring lever upper axial end is provided with the spring platen of band telescopic spring joint, and the spring lever lower axial end is set with loose collar, and this loose collar is connected with thrust plate.
5. combined telescoping ram for logging instrument according to claim 1 is characterized in that: described pressure balance assembly comprises sealing nut, sealing cap and limited block.
6. combined telescoping ram for logging instrument according to claim 1, it is characterized in that: described hole diameter potentiometer assembly comprises fixed mount, fixed mount is provided with the stifled spring base of band oil, upper axial end at spring base is provided with the seal nipple that has the hole diameter retaining ring, lower axial end at spring base is provided with sealing cap, and the axial centre position of spring base is provided with telescopic spring pulling potentiometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202521034U CN201705338U (en) | 2010-07-09 | 2010-07-09 | Sidewall contact device of combination logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202521034U CN201705338U (en) | 2010-07-09 | 2010-07-09 | Sidewall contact device of combination logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201705338U true CN201705338U (en) | 2011-01-12 |
Family
ID=43442492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202521034U Expired - Fee Related CN201705338U (en) | 2010-07-09 | 2010-07-09 | Sidewall contact device of combination logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201705338U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892835A (en) * | 2010-07-09 | 2010-11-24 | 沈阳新锦石油设备有限公司 | Combined telescoping ram for logging instrument |
| CN104632114A (en) * | 2014-12-30 | 2015-05-20 | 中国石油天然气股份有限公司 | Crawl device for testing and regulating inclined water injection well water distributor |
-
2010
- 2010-07-09 CN CN2010202521034U patent/CN201705338U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892835A (en) * | 2010-07-09 | 2010-11-24 | 沈阳新锦石油设备有限公司 | Combined telescoping ram for logging instrument |
| CN104632114A (en) * | 2014-12-30 | 2015-05-20 | 中国石油天然气股份有限公司 | Crawl device for testing and regulating inclined water injection well water distributor |
| CN104632114B (en) * | 2014-12-30 | 2017-05-10 | 中国石油天然气股份有限公司 | Crawl device for testing and regulating inclined water injection well water distributor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20120709 |