CN201148865Y - Ultrasonic imaging logging tool - Google Patents
Ultrasonic imaging logging tool Download PDFInfo
- Publication number
- CN201148865Y CN201148865Y CNU2007201903684U CN200720190368U CN201148865Y CN 201148865 Y CN201148865 Y CN 201148865Y CN U2007201903684 U CNU2007201903684 U CN U2007201903684U CN 200720190368 U CN200720190368 U CN 200720190368U CN 201148865 Y CN201148865 Y CN 201148865Y
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- sonic system
- capsule
- probe
- sonic
- logging instrument
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Abstract
The utility model relates to an ultrasonic imaging logging instrument, which is applied to the construction of the ultrasonic image logging in an oil well. The ultrasonic imaging logging instrument mainly comprises a probe mechanical-transmission part and a capsule hanging part, wherein, the probe mechanical-transmission part comprises a hysteresis synchronous motor, an outer cylinder, a slip ring component and a probe; the lower end of the outer cylinder is connected with a sonic system lower-contact. The ultrasonic imaging logging instrument is characterized in that the probe is sleeved at the periphery of a columniform centre shaft of the sonic system lower-contact; a bearing and a locking sheet for supporting the probe are arranged at the upper middle part of the sonic system lower-contact; a cylindric polyfluortetraethylene acoustic window is fixed on the external diameter of the sonic system lower-contact; a sonic system capsule connector is fixed at the lower end of the acoustic window; a cylindric sonic system capsule outer-shell is connected with the outer wall of the sonic system capsule connector; a capsule is fixed at the lower end of the sonic system capsule connector. The ultrasonic imaging logging instrument has the effects that hydraulic liquid is filled in the capsule to balance the internal and external pressures; the sonic system capsule connector is hung at the lower part of the sonic system lower-contact, so that the service life of the probe is prolonged.
Description
Technical field
The utility model relates to oil well logging instrument, and the particularly machinery of ultrasonic image logging instrument and sealing is a kind of machinery and sealing device that improves the safety of ultrasonic image logging instrument probe.
Background technology
Supersonic imaging logger is a kind of ultrasonic probe emission sound wave pulse that utilizes, and receives reflective sound wave, record reflective sound wave impulse amplitude and sound wave hourage produces the equipment of borehole wall image signal, can finish acoustic logging task under the oil well.
At present, the position of ultrasonic image logging instrument probe is in the bottom of logging instrument.Because the probe of ultrasonic image logging instrument is fragile, again owing to the bottom of the position of popping one's head at logging instrument, and probe will support the most of weight of instrument, transfer in the process at logger like this, be easy to damage the probe of ultrasonic image logging instrument, can not launch and accept acoustic signals, cause the acoustic travel time logging failure.
The utility model content
The purpose of this utility model is: a kind of ultrasonic image logging instrument is provided, adopts the structure and the joint suspended structure that make ultrasonic image logging instrument internal and external pressure balance, improve the safety in utilization and the life-span of logger probe and logger.Overcome the probe of damage fragility easily in the process that logger is transferred, under the complex conditions of down-hole, damage the deficiency of probe easily.
The technical solution adopted in the utility model is: the ultrasonic image logging instrument mainly comprises probe mechanical driving part and capsule suspended portion composition.
The probe mechanical driving part comprises hysteresis synchronous motor, urceolus, upward slip ring assembly, following slip ring assembly, cog assembly and lower gear assembly and probe are formed.Hysteresis synchronous motor, cog assembly 3 and lower gear assembly 7 are installed in the urceolus of sealing.The lower end of urceolus is connected with the sonic system lower contact.It is characterized in that: outer shaft sleeve is equipped with probe in sonic system lower contact cylindrical.The middle part has bearing and stay to support probe in the sonic system lower contact.Be fixed with polytetrafluoroethylene (PTFE) sound transmitting window cylindraceous at sonic system lower contact external diameter.Be fixed with sonic system capsule joint in the lower end of sound transmitting window.Probe can rotate on the cylindrical axis of sonic system lower contact, sees through sound transmitting window, scans to external world.
The capsule suspended portion comprises sonic system capsule joint, sonic system capsule shell and capsule.On the outer wall of sonic system capsule joint, be connected with sonic system capsule shell cylindraceous, be fixed with capsule in the lower end of sonic system capsule joint.
Fixedly the method for capsule can adopt the copper wire binding, promptly in the outside binding of capsule copper wire is arranged.In order to bundle firmly, sonic system capsule joint with the capsule contact surface on annular projection is arranged.
For the weight that makes the capsule suspended portion is born by the sonic system lower contact.The upper end of sonic system capsule joint is enclosed within the lower end of sonic system lower contact, and in the lower end of lower contact the screw-threaded coupling cap is arranged, and the last plane of locking cap is against on the lower plane of interior step of sonic system capsule joint.Locking sonic system capsule joint and bear the weight of sonic system capsule joint like this.The following weight of sonic system capsule joint is suspended on sonic system lower contact bottom like this.
Stable for the relative position that makes sonic system lower contact and sonic system capsule joint, between sonic system lower contact and sonic system capsule joint, flat key is arranged.
In order to improve the sealing performance of ultrasonic image logging instrument, between polytetrafluoroethylene (PTFE) sound transmitting window cylindraceous and sonic system lower contact, sealing ring is arranged, and adopt hoop to compress sealing ring.Between polytetrafluoroethylene (PTFE) sound transmitting window cylindraceous and sonic system capsule joint, sealing ring is arranged, and adopt hoop to compress sealing ring.
Stable for relative position between sonic system capsule joint and the sonic system capsule shell, between sonic system capsule joint and sonic system capsule shell, positioning key and threaded collar are arranged.
The operating principle of ultrasonic image logging instrument: hysteresis synchronous motor, cog assembly and lower gear assembly drive probe and are rotated scanning.Owing to require probe to require probe and extraneous sealing strictness simultaneously freely around the center-pole rotation of sonic system lower contact.Mechanical connection between sonic system lower contact and the sonic system capsule shell had both required load-bearing like this, required sealing again.Load-bearing connects sonic system capsule joint by sonic system lower contact bottom and realizes that the main weight of instrument is suspended on sonic system lower contact lower end; And sealing is to realize by hoop and sealing ring.Fill balanced hydraulic oil in capsule, ultrasonic image logging instrument external and internal pressure is realized pressure balance by capsule.
The beneficial effects of the utility model: the utility model ultrasonic image logging instrument, adopt capsule to make internal and external pressure balance; Adopt sonic system lower contact bottom to hang sonic system capsule joint design, improve the application life of popping one's head in, improve the acoustic logging quality.Overcome the deficiency of the probe of damage fragility easily in the process that logger is transferred.
Description of drawings
Fig. 1 is the utility model ultrasonic image logging instrument structural profile schematic diagram.
Among the figure, 1. hysteresis synchronous motor, 2. urceolus, assembly 3. cogs, 4. go up slip ring assembly, 5. descend slip ring assembly, 6. sonic system lower contact, 7. lower gear assembly, 8. stay, 9. sound transmitting window, 10. hoop, 11. sealing rings, 12. flat key, 13. threaded collar, 14. locking caps, 15. sonic system capsule joints, 16. positioning key, 17. sealing rings, 18. sonic system capsule shells, 19. copper wire, 20. capsules, 21. probes.
The specific embodiment
Embodiment 1: consult accompanying drawing 1.A ultrasonic image logging instrument, at the probe mechanical driving part, hysteresis synchronous motor 1, the assembly 3 that cogs, lower gear assembly 7, last slip ring assembly 4 and following slip ring assembly 5 are installed in the urceolus 2 of sealing.90 millimeters of the external diameters of urceolus 2.The lower end of urceolus 2 is connected with sonic system lower contact 6.Outer shaft sleeve is equipped with a probe 21 in sonic system lower contact 6 cylindrical.The middle part has bearing and internal thread stay 8 to support probe 21 in sonic system lower contact 6.On sonic system lower contact 6 outer walls, be fixed with a polytetrafluoroethylene (PTFE) sound transmitting window 9 cylindraceous.3 millimeters of the thickness of sound transmitting window 9,88 millimeters of external diameters, 90 millimeters of length.Be fixed with sonic system capsule joint 15 in the lower end of sound transmitting window 9.Between polytetrafluoroethylene (PTFE) sound transmitting window 9 cylindraceous and sonic system lower contact 6, sealing ring 11 is arranged, and adopt hoop 10 to compress sealing ring 11.Between polytetrafluoroethylene (PTFE) sound transmitting window 9 cylindraceous and sonic system capsule joint 15, sealing ring 11 is arranged, and adopt hoop 10 to compress sealing ring 11.
The capsule suspended portion comprises sonic system capsule joint 15, sonic system capsule shell 18 and capsule 20.On the outer wall of sonic system capsule joint 15, be connected with sonic system capsule shell 18 cylindraceous, positioning key 16, threaded collar 13 and sealing ring 17 are arranged between sonic system capsule joint 15 and sonic system capsule shell 18.Lower end at sonic system capsule joint 15 is fixed with annular projection, and capsule 20 is enclosed within on the annular projection.In capsule 20 outside bindings copper wire 19 is arranged.The upper end of sonic system capsule joint 15 is enclosed within the lower end of sonic system lower contact 6, and in the lower end of lower contact 6 screw-threaded coupling cap 14 is arranged, and the last plane of locking cap 14 is against on the lower plane of interior step of sonic system capsule joint 15.Between sonic system lower contact 6 and sonic system capsule joint 15, a flat key 12 is arranged.
Claims (6)
1, a kind of ultrasonic image logging instrument mainly comprises probe mechanical driving part and capsule suspended portion composition,
The probe mechanical driving part comprises hysteresis synchronous motor (1), urceolus (2), last slip ring assembly (4), following slip ring assembly (5), assembly (3) and lower gear assembly (7) and probe (21) composition cog, hysteresis synchronous motor (1), cog assembly (3) and lower gear assembly (7) is installed in the urceolus (2) of sealing, the lower end of urceolus (2) is connected with sonic system lower contact (6), it is characterized in that: outer shaft sleeve is equipped with probe (21) in sonic system lower contact (6) cylindrical, going up the middle part in sonic system lower contact (6) has bearing and stay (8) to support probe (21), be fixed with polytetrafluoroethylene (PTFE) sound transmitting window cylindraceous (9) at sonic system lower contact (6) external diameter, be fixed with sonic system capsule joint (15) in the lower end of sound transmitting window (9);
The capsule suspended portion comprises sonic system capsule joint (15), sonic system capsule shell (18) and capsule (20), on the outer wall of sonic system capsule joint (15), be connected with sonic system capsule shell cylindraceous (18), be fixed with capsule (20) in the lower end of sonic system capsule joint (15).
2, ultrasonic image logging instrument according to claim 1 is characterized in that: in the outside binding of capsule (20) copper wire (19) is arranged, sonic system capsule joint (15) with capsule (20) contact surface on annular projection is arranged.
3, ultrasonic image logging instrument according to claim 1 and 2, it is characterized in that: the upper end of sonic system capsule joint (15) is enclosed within the lower end of sonic system lower contact (6), and in the lower end of lower contact (6) screw-threaded coupling cap (14) is arranged, the last plane of locking cap (14) is against on the lower plane of interior step of sonic system capsule joint (15).
4, ultrasonic image logging instrument according to claim 3 is characterized in that: between sonic system lower contact (6) and sonic system capsule joint (15) flat key (12) is arranged.
5, ultrasonic image logging instrument according to claim 1 and 2, it is characterized in that: between polytetrafluoroethylene (PTFE) sound transmitting window cylindraceous (9) and sonic system lower contact (6), sealing ring (11) is arranged, and adopt hoop (10) to compress sealing ring (11), between polytetrafluoroethylene (PTFE) sound transmitting window cylindraceous (9) and sonic system capsule joint (15), sealing ring (11) is arranged, and adopt hoop (10) to compress sealing ring (11).
6, ultrasonic image logging instrument according to claim 1 and 2 is characterized in that: positioning key (16) and threaded collar (13) are arranged between sonic system capsule joint (15) and sonic system capsule shell (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201903684U CN201148865Y (en) | 2007-11-27 | 2007-11-27 | Ultrasonic imaging logging tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201903684U CN201148865Y (en) | 2007-11-27 | 2007-11-27 | Ultrasonic imaging logging tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201148865Y true CN201148865Y (en) | 2008-11-12 |
Family
ID=40116631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201903684U Expired - Lifetime CN201148865Y (en) | 2007-11-27 | 2007-11-27 | Ultrasonic imaging logging tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201148865Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926740A (en) * | 2012-11-15 | 2013-02-13 | 中国石油天然气股份有限公司 | Hydraulic sidewall contact device for through casing resistivity logger |
| CN105952444A (en) * | 2016-06-03 | 2016-09-21 | 中国科学院声学研究所 | Acoustic system of ultrasonic imaging logging instrument |
| CN107830961A (en) * | 2017-12-06 | 2018-03-23 | 中国地质科学院地质力学研究所 | A kind of underground hydrofracturing induces crack ultrasonic wave dynamic imaging device and system |
| CN110397434A (en) * | 2019-07-01 | 2019-11-01 | 大庆油田有限责任公司 | A kind of well bore situation imaging logging instrument and logging method |
-
2007
- 2007-11-27 CN CNU2007201903684U patent/CN201148865Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926740A (en) * | 2012-11-15 | 2013-02-13 | 中国石油天然气股份有限公司 | Hydraulic sidewall contact device for through casing resistivity logger |
| CN102926740B (en) * | 2012-11-15 | 2015-07-01 | 中国石油天然气股份有限公司 | Hydraulic sidewall contact device for through casing resistivity logger |
| CN105952444A (en) * | 2016-06-03 | 2016-09-21 | 中国科学院声学研究所 | Acoustic system of ultrasonic imaging logging instrument |
| CN107830961A (en) * | 2017-12-06 | 2018-03-23 | 中国地质科学院地质力学研究所 | A kind of underground hydrofracturing induces crack ultrasonic wave dynamic imaging device and system |
| CN107830961B (en) * | 2017-12-06 | 2018-09-14 | 中国地质科学院地质力学研究所 | A kind of underground hydrofracturing induces crack ultrasonic wave dynamic imaging device and system |
| CN110397434A (en) * | 2019-07-01 | 2019-11-01 | 大庆油田有限责任公司 | A kind of well bore situation imaging logging instrument and logging method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081112 |