CN202771011U - Through-casing resistivity electrode probe - Google Patents
Through-casing resistivity electrode probe Download PDFInfo
- Publication number
- CN202771011U CN202771011U CN 201220303838 CN201220303838U CN202771011U CN 202771011 U CN202771011 U CN 202771011U CN 201220303838 CN201220303838 CN 201220303838 CN 201220303838 U CN201220303838 U CN 201220303838U CN 202771011 U CN202771011 U CN 202771011U
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- Prior art keywords
- electrode probe
- motor
- probe
- tcr
- insulating
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Abstract
Disclosed is a through-casing resistivity electrode probe, which comprises an electrode probe, an external insulating sleeve and an internal insulating sleeve both used for insulating the electrode probe from the outside and a signal lead-out device used for leading out signals of the electrode probe. The through-casing resistivity electrode probe is characterized by further comprising a motor used for driving the electrode probe to rotate, a rotating bracket used for fixing the motor, a rotary lead screw used for controlling the advance and retreat as well as the stroke of the electrode probe, and an insulating frame used for connecting the electrode probe and the motor and insulating the electrode probe from the motor.
Description
Technical field
The utility model relates to the geophysical well logging field, relates to especially a kind of TCR electrode probe.
Background technology
Through casing resistivity logging can be used for estimating remaining oil saturation, improving recovery ratio, thereby is a kind of advanced person's cased-hole measurement resistivity logging method.Can behind cover, log well and be applied.
Through casing resistivity logging instrument potential electrode probe adopts pushing structure at present, with hydraulic pressure or electric backup electrode probe is directly pushed against internal surface of sleeve pipe.In theory, need 6-8 atmospheric pressure that electrode probe and internal surface of sleeve pipe are tightly sticked, actual design also adopts 6-8 atmospheric pressure.In practical logging, electrode probe many times can not close contact with internal surface of sleeve pipe, even does not contact, thereby affects well logging progress and logging quality, even causes and log well unsuccessfully.Therefore need a kind of reliable electrode probe of development, make it and the inwall close contact, thereby obtain the TCR data.
The utility model content
The utility model provides a kind of rotary TCR electrode probe.This rotary electrode probe can rotate as drill bit in the environment of well logging High Temperature High Pressure, thereby makes electrode probe penetrate internal surface of sleeve pipe, thus with the internal surface of sleeve pipe close contact, and then obtain the TCR data.
According to the utility model, a kind of TCR electrode probe is provided, it comprises electrode probe, be used for making the external insulation sleeve of electrode probe and exterior insulation and interior insulating sleeve, for the signal ejector of drawing described electrode probe signal, it is characterized in that, also comprise motor, be used for making described electrode probe rotation; Runing rest is used for fixing described motor; Rotating threaded shaft is for advance and retreat and the stroke of controlling described electrode probe; And insulating frame, be used for connecting described electrode probe and described motor and make described electrode probe and described electrical machine insulation.
Preferably, this electrode probe also comprises seal member, is used for described electrode probe and described motor seal.
Preferably, described seal member can adopt the form of O-ring seal.
Preferably, described signal ejector can adopt the form of carbon brush or slip ring.
Preferably, described motor can be micromachine or large-size machine.
Simple in structure according to rotary TCR electrode probe of the present utility model, reliability is strong, and maintenance is convenient, has solved electrode probe and internal surface of sleeve pipe contact problems, has satisfied the environment of well logging High Temperature High Pressure.
In addition, the lantern body formula hydraulic pressure such as that this rotary TCR electrode probe can be applicable to is bladder, piston type or electric backup system also can be applicable to the positioning arm of hydraulic pressure or electric backup, also can independently use as the TCR electrode probe.
Description of drawings
Should be appreciated that, only not necessarily be shown to scale for all parts in exemplary and the accompanying drawing at the accompanying drawing shown in this.In the accompanying drawings:
Fig. 1 is the structural drawing according to the rotary TCR electrode probe of an embodiment of the present utility model.
Embodiment
With reference now to accompanying drawing, and by embodiment the utility model is described in detail.Should be appreciated that, only be exemplary in this description of carrying out, therefore scope of the present utility model do not limited.
With reference to figure 1, it shows the structural drawing according to the rotary TCR electrode probe of an embodiment of the present utility model.Rotary TCR electrode probe as shown in Figure 1 comprises electrode suppor 1, fixed screw 2, insulation compressing tablet 3, electrode probe 4, interior insulating sleeve 5, seal member 6, signal ejector 7, insulation spacer 8, insulating frame 9, seal member 10, runing rest 11, rotating threaded shaft 12, external insulation sleeve 13 and motor 14.
In the present embodiment, motor 14 can be used for providing rotary power to electrode probe 4; Runing rest 11 can be used for fixing motor 14; Rotating threaded shaft 12 can control electrode advance and retreat and the stroke of probe 4; Signal ejector 7 can be used for the signal of electrode probe 4 is drawn; The interior insulating sleeve 5 of electrode probe 4 and external insulation sleeve 13 can be used for electrode probe 4 and exterior insulation; Insulating frame 9 can be used for connecting electrode probe 4 and motor 14 and make electrode probe 4 and motor 14 insulation.
Alternatively, in one embodiment, signal ejector 7 wherein can adopt carbon brush or slip ring form.
In one embodiment, the lantern body formula hydraulic pressure such as that rotary TCR electrode probe can be applicable to is bladder, piston type or electric backup system also can be applicable to hydraulic pressure or electric backup fixed arm, also can independently work as the TCR electrode probe.
In one embodiment, rotary TCR electrode probe be applied to lantern body formula backup system and electrode probe part with hydraulic thrust by the time, can use electrode suppor 1 and first lantern body formula backup system to be connected the support that leans on hydraulic thrust with electrode probe and be connected.And, have corresponding seal member.In the operating process of this embodiment, at first with electrode probe 4 backups to internal surface of sleeve pipe, then to motor 14 power supply.Motor 14 rotates immediately to drive electrode probe 4 and begin rotation as drill bit.The secondary backup after beginning rotation, electrode probe 4 is provided, thereby thereby making electrode probe 4 utilize rotary drill to open sleeve surface penetrates in the internal surface of sleeve pipe better, the good contact with inside pipe casing is provided thus.In this operating process, need to seal with motor 14 during electrode probe 4 rotation.Seal member 10 among Fig. 1 can play this effect.Particularly, seal member can adopt the form of O-ring seal.Certainly, should be appreciated that to adopt and well known to a person skilled in the art the sealing of other effective ways.
In one embodiment, the rotary electrode probe can use at the positioning arm of hydraulic pressure or electric backup.When being applied to the positioning arm of hydraulic pressure or electric backup, rotary TCR electrode probe can be fixed on the backup fixed arm, hydraulic pressure or electric backup system can shift the backup fixed arm onto internal surface of sleeve pipe.At this moment, can be to motor 14 power supplies.Motor 14 rotates immediately to drive electrode probe 4 and begin rotation as drill bit.The secondary backup after beginning rotation, electrode probe 4 is provided, thereby thereby making electrode probe 4 utilize rotary drill to open sleeve surface penetrates in the internal surface of sleeve pipe better, the good contact with inside pipe casing is provided thus.In this embodiment, do not need during electrode probe 4 rotation and motor 4 sealings, so can remove or omit as shown in fig. 1 the seal member such as seal member 10.
In another embodiment, rotary TCR electrode probe can be used as individual system operation, in this case, can amplify and adds in addition stationary installation (such as sway brace) and use large-size machine.
For above-mentioned some embodiment, can use micromachine or large-size machine according to operating environment and service condition.
In sum, the utility model has been described some preferred embodiment and modification thereof.Those skilled in the art are reading and are understanding instructions and can expect other modification and variation later.Thereby the utility model is not limited to as being used for implementing the disclosed specific embodiment of optimal mode of the present utility model, and the utility model will comprise all embodiment that fall in the claim scope.
Claims (5)
1. TCR electrode probe, it comprises electrode probe, be used for making the external insulation sleeve of electrode probe and exterior insulation and interior insulating sleeve, for the signal ejector of drawing described electrode probe signal, it is characterized in that, also comprises:
Motor is used for making described electrode probe rotation;
Runing rest is used for fixing described motor;
Rotating threaded shaft is for advance and retreat and the stroke of controlling described electrode probe; And
Insulating frame is used for connecting described electrode probe and described motor and makes described electrode probe and described electrical machine insulation.
2. electrode probe according to claim 1 is characterized in that, it also comprises seal member, is used for described electrode probe and described motor seal.
3. electrode probe according to claim 2 is characterized in that, described seal member adopts the form of O-ring seal.
4. electrode probe according to claim 1 is characterized in that, described signal ejector adopts the form of carbon brush or slip ring.
5. each described electrode probe is characterized in that according to claim 1-4, and described motor is micromachine or large-size machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303838 CN202771011U (en) | 2012-06-27 | 2012-06-27 | Through-casing resistivity electrode probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303838 CN202771011U (en) | 2012-06-27 | 2012-06-27 | Through-casing resistivity electrode probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202771011U true CN202771011U (en) | 2013-03-06 |
Family
ID=47777574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220303838 Expired - Fee Related CN202771011U (en) | 2012-06-27 | 2012-06-27 | Through-casing resistivity electrode probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202771011U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821503A (en) * | 2014-02-25 | 2014-05-28 | 北京石大华旭建邦石油科技有限公司 | Device capable of recovering probe and for through casing resistivity logging instrument |
| CN103821497A (en) * | 2014-03-04 | 2014-05-28 | 西安石油大学 | Electrode telescoping ram |
| CN104500053A (en) * | 2014-12-11 | 2015-04-08 | 中国石油天然气集团公司 | Compound probe for rock sample testing |
-
2012
- 2012-06-27 CN CN 201220303838 patent/CN202771011U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821503A (en) * | 2014-02-25 | 2014-05-28 | 北京石大华旭建邦石油科技有限公司 | Device capable of recovering probe and for through casing resistivity logging instrument |
| CN103821503B (en) * | 2014-02-25 | 2016-09-14 | 北京石大华旭建邦石油科技有限公司 | A kind of recoverable probe unit in through casing resistivity logging instrument |
| CN103821497A (en) * | 2014-03-04 | 2014-05-28 | 西安石油大学 | Electrode telescoping ram |
| CN104500053A (en) * | 2014-12-11 | 2015-04-08 | 中国石油天然气集团公司 | Compound probe for rock sample testing |
| CN104500053B (en) * | 2014-12-11 | 2017-05-10 | 中国石油天然气集团公司 | Compound probe for rock sample testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20150627 |
|
| EXPY | Termination of patent right or utility model |