CN204532342U - Hole diameter logging instrument - Google Patents
Hole diameter logging instrument Download PDFInfo
- Publication number
- CN204532342U CN204532342U CN201420868982.1U CN201420868982U CN204532342U CN 204532342 U CN204532342 U CN 204532342U CN 201420868982 U CN201420868982 U CN 201420868982U CN 204532342 U CN204532342 U CN 204532342U
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- China
- Prior art keywords
- logging tool
- righting
- gage beam
- caliper logging
- housing
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- Expired - Fee Related
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- 238000005259 measurement Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The application discloses caliper logger, include: a housing; the measuring assembly is arranged in the shell and comprises a measuring arm capable of contracting and expanding; the measuring arm can be expanded to extend out of the shell to contact the inner wall of the sleeve; the driving piece is arranged in the shell and is connected with the measuring assembly; the drive member can drive the measuring arm to rotate around the axis of the shell. The measuring assembly comprises at least two groups of measuring arms which are arranged along the axial direction of the shell, and the number of the measuring arms in each group is multiple. The measuring assembly comprises two sets of measuring arms with opposite rotating directions. Each group of measuring arms is uniformly distributed along the circumferential direction of the shell. The driving piece is connected with a controller, and the controller can control the rotating speed of the driving piece. The application provides a caliper logger can improve the detectability to the longitudinal crack of sleeve pipe.
Description
Technical field
The application relates to petroleum well logging technology field, particularly relates to a kind of caliper logging tool.
Background technology
In process of oil production, the situation of casing wear is inevitable in oil field, pressure imbalance between well and well, is between layers caused in the implementation process of various oil recovery measure, exacerbate a series of casing damage phenomenons such as the activity of tomography, mud stone imbibition, chemical attack, make sleeve pipe occur wearing and tearing, burn into breakage and other deformations.At present, use caliper logging tool measuring unit Manifold technology to be one of effective means of effective detection thimble damage, caliper logging tool can react damaged and other deformations of the wearing and tearing of sleeve pipe, burn into by measuring unit bore.
Existing well logging apparatus generally adopts arm Caliper Log instrument, it is by being provided with the gage beam that can shrink and open, and then this arm Caliper Log instrument is lowered into by it, gage beam is opened after in sleeve pipe after contact with internal surface of sleeve pipe, in the upper CONTACT WITH FRICTION carried by gage beam and internal surface of sleeve pipe in process, reflect the internal diameter of sleeve pipe.
The gage beam of existing arm Caliper Log instrument is one group, containing the equally distributed gage beam of the branched circumference along logging instrument in group, and then between adjacent two gage beams, there is the gap of certain distance, and internal surface of sleeve pipe can exist longitudinally (also can be the axis of sleeve pipe) upper crack width and be less than the crack in the gap between adjacent two gage beams, this just makes in the measuring process of casing inner diameter, upper carry this arm Caliper Log instrument time above-mentioned crack be likely between adjacent two gage beams, cause this crack being detected, miss the detection to longitudinal crack, therefore the detectability of the many longitudinal cracks of existing arm Caliper Log instrument is poor, be necessary to propose a kind of new logging instrument to improve the detectability to sleeve pipe longitudinal crack.
Utility model content
In view of the deficiencies in the prior art, the application provides a kind of caliper logging tool, can improve the detectability to sleeve pipe longitudinal crack.
The application provides a kind of caliper logging tool, comprising:
Housing;
Be located at the measurement components in described housing, it comprises the gage beam that can shrink and open; Described gage beam can open and stretch out described housing with contact sleeve inside pipe wall;
Be located at the actuator in described housing, it connects described measurement components; Described actuator can drive described gage beam to rotate around the axis of described housing.
Preferably, the upper end of described housing is provided with the cable interface for stube cable, and described actuator comprises the motor connecting described cable interface.
Preferably, described measurement components comprises the described gage beam that at least two groups are axially arranged along described housing, and the quantity often organizing described gage beam is multiple.
Preferably, described measurement components comprises the contrary described gage beam of two groups of direction of rotation.
Preferably, often organize described gage beam to be uniformly distributed along described housing circumference.
Preferably, described housing is provided with righting assembly, and described righting assembly is used for the righting in sleeve pipe of described caliper logging tool.
Preferably, described righting assembly comprises righting part and lower righting part; Upper righting part comprises the upper righting arm can fitted with internal surface of sleeve pipe, and lower righting part comprises the lower righting arm can fitted with internal surface of sleeve pipe.
Preferably, described measurement components and described actuator are on described between righting part and lower righting part.
Preferably, the lower end of described housing is provided with the tail cap for leading.
Preferably, described actuator is connected with controller, and described controller can control the rotating speed of described actuator.
By above description, can find out that the caliper logging tool that the application provides passes through actuator and described measurement components to organically combine, actuator is made to drive described measurement components to rotate, and then longitudinal crack on internal surface of sleeve pipe can effectively be detected, and then the caliper logging tool using the application to provide can improve the detectability to sleeve pipe longitudinal crack.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the caliper logging tool that a kind of embodiment of the application provides.
Detailed description of the invention
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all should belong to the scope of the utility model protection.
Please refer to Fig. 1, the caliper logging tool that a kind of embodiment of the application provides, comprise housing 1; Be located at the measurement components in described housing 1, it comprises the gage beam 2 that can shrink and open; Described gage beam 2 can open and stretch out described housing 1 with contact sleeve inside pipe wall; Be located at the actuator in described housing 1, it connects described measurement components; Described actuator can drive described gage beam 2 to rotate around the axis of described housing 1.
During use, transfer to sleeve pipe after assigned address after the caliper logging tool stube cable that present embodiment is provided, described caliper logging tool is powered.Now, described gage beam 2 opens starts working, until open completely, and contacts laminating completely with internal surface of sleeve pipe.
Described caliper logging tool normal power-up is carried on starting after opening and is carried out casing caliper log work, now, described actuator drives described gage beam 2 to rotate, in described gage beam 2 rotary course, effectively can touch the longitudinal crack on internal surface of sleeve pipe, and then complete the detection of described longitudinal crack, and then described caliper logging tool omnibearingly can detect transverse direction/longitudinal crack, damage and distortion etc. in sleeve pipe, make an explanation finally by the data recorded by described caliper logging tool the internal diameter data processing and can obtain in measured sleeve pipe testing length.
By above description, can find out that the caliper logging tool that present embodiment provides passes through actuator and described measurement components to organically combine, actuator is made to drive described measurement components to rotate, and then longitudinal crack on internal surface of sleeve pipe can effectively be detected, and then the caliper logging tool using present embodiment to provide can improve the detectability to sleeve pipe longitudinal crack.
Please continue to refer to Fig. 1, described housing 1 entirety is cylindric, and it provides receiving space for described actuator and described measurement components.Described housing 1 can be divided into according to the function of different parts: upper righting section 11, measuring section 12 and lower righting section 13.Described upper righting section 11 and described lower righting section 13 play centralizing function for described caliper logging tool, and described measuring section 12 is provided with described measurement components, to carry out the surveying work of casing inner diameter in it.Described measuring section 12 can on described between righting section 11 and described lower righting section 13, and by removably connecting, concrete can for being threaded.
The two ends of described housing 1 can be respectively equipped with cable interface 5 and tail cap 6.Concrete, the upper end of described housing 1 is provided with described cable interface 5, and described cable interface 5 for connecting logging cable, and then provides electric energy for described actuator and described measurement components.Described cable interface 5 is connected by single core with described actuator.The lower end of described housing 1 is provided with tail cap 6, and described tail cap 6 is for for playing the guiding role when described caliper logging tool is transferred in sleeve pipe.Described tail cap 6 can be threaded connection the lower end at described housing 1.
Described housing 1 is provided with righting assembly, and described righting assembly is used for the righting in sleeve pipe of described caliper logging tool.Further, described righting assembly can comprise righting part 3 and lower righting part 4; Upper righting part 3 comprises the upper righting arm can fitted with internal surface of sleeve pipe, and lower righting part 4 comprises the lower righting arm can fitted with internal surface of sleeve pipe.Concrete, it is inner that described upper righting part 3 is located at described upper righting section 11, centralizer on composition.Described upper righting arm can shrink and open, on described time in whole caliper logging tool lower going-into-well, centralizer struts, whole caliper logging tool to be limited in the center (casing axis position) of whole sleeve pipe, to make described measurement components stretch out described gage beam 2 and measure more accurate.Same, it is inner that described lower righting part 4 is located at described lower righting section 13, the lower centralizer of composition.Described lower righting arm can stretch and open, and on described time in whole caliper logging tool lower going-into-well, centralizer struts, whole logging instrument to be limited in the center of whole sleeve pipe.Further, described measurement components and described actuator can be located between described upper righting part 3 and lower righting part 4, and then ensure that described gage beam 2 is positioned at the center of sleeve pipe when opening.
Described actuator can drive described gage beam 2 to rotate, and it can comprise the motor connecting described cable interface 5.Described motor can be provided with multiple, and the rotation direction of described motor can be two kinds: turn clockwise and be rotated counterclockwise, and to make described gage beam 2 have different direction of rotation, and then the inwall detecting described sleeve pipe is more comprehensive.Can be connected by pinion rotation between described actuator with described measurement components, be rotated by gage beam described in gear driven 2 when described actuator rotates.Described actuator is connected with controller, and described controller can control the rotating speed of described actuator.Described controller can be connected with described actuator by described cable interface 5, and then realize controlling described actuator, arranged by this kind, described controller can be located at outside described well, operating personnel can select different rotating speeds according to different hole conditions, and then obtain comparatively real measurement result.Certainly, described controller also can be circuit unit, and this circuit unit can according to the instruction of ground control system to control the rotating speed of described actuator, and the application is not as limit.
Described measurement components is positioned at the described measuring section 12 of described housing 1, the wall of described measuring section 12 can be provided with the open-work that the described gage beam 2 of multiple confession stretches out.When described caliper logging tool is not in running order, it is inner that described gage beam 2 is contracted in described measuring section 12 through described open-work.Described measurement components can know the internal diameter of sleeve pipe described in this position by the stretching degree of described gage beam 2, it includes the motor be connected with described gage beam 2.Be connected between described motor with described gage beam 2, simultaneously between described gage beam 2 and described housing 1 for being rotationally connected, and then described gage beam 2 can be promoted by the effect of described motor and stretch out described housing 1.Certainly, described motor also connects described cable interface 5, to receive electric energy.Described gage beam 2 is in testing process, and according to the change of casing inner diameter, its stretching degree can carry out adaptations, and then the internal diameter of described sleeve pipe can directly react in the stretching degree of described gage beam 2.Described gage beam 2 can be connected with elastic component and probe mechanism.Described probe mechanism comprises sensor, and described elastic component can stretch according to the stretching degree of described gage beam 2, and described sensor can measure the telescopic variation of described elastic component, and then measures the internal diameter drawing described sleeve pipe.Concrete, described elastic component is generally spring, and described gage beam 2 connects described probe mechanism by described spring.
Further, for ensureing the accuracy recording described casing inner diameter, the described caliper logging tool of further raising is to the detectability of longitudinal crack, and described measurement components can comprise the described gage beam 2 that at least two groups are axially arranged along described housing 1, and the quantity often organizing described gage beam 2 is multiple.Described measurement components can comprise the contrary described gage beam 2 of two groups of direction of rotation.Often organize described gage beam 2 to be uniformly distributed along described housing 1 circumference.The described gage beam 2 that two groups of direction of rotation are contrary can realize by connecting the contrary actuator of direction of rotation.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. a caliper logging tool, is characterized in that, comprising:
Housing;
Be located at the measurement components in described housing, it comprises the gage beam that can shrink and open; Described gage beam can open and stretch out described housing with contact sleeve inside pipe wall;
Be located at the actuator in described housing, it connects described measurement components; Described actuator can drive described gage beam to rotate around the axis of described housing.
2. caliper logging tool as claimed in claim 1, it is characterized in that: the upper end of described housing is provided with the cable interface for stube cable, described actuator comprises the motor connecting described cable interface.
3. caliper logging tool as claimed in claim 1, is characterized in that: described measurement components comprises the described gage beam that at least two groups are axially arranged along described housing, and the quantity often organizing described gage beam is multiple.
4. caliper logging tool as claimed in claim 3, is characterized in that: described measurement components comprises the contrary described gage beam of two groups of direction of rotation.
5. caliper logging tool as claimed in claim 3, is characterized in that: often organize described gage beam and be uniformly distributed along described housing circumference.
6. caliper logging tool as claimed in claim 1, is characterized in that: described housing is provided with righting assembly, and described righting assembly is used for the righting in sleeve pipe of described caliper logging tool.
7. caliper logging tool as claimed in claim 6, is characterized in that: described righting assembly comprises righting part and lower righting part; Upper righting part comprises the upper righting arm can fitted with internal surface of sleeve pipe, and lower righting part comprises the lower righting arm can fitted with internal surface of sleeve pipe.
8. caliper logging tool as claimed in claim 7, is characterized in that: described measurement components and described actuator are on described between righting part and lower righting part.
9. caliper logging tool as claimed in claim 1, is characterized in that: the lower end of described housing is provided with the tail cap for leading.
10. caliper logging tool as claimed in claim 1, it is characterized in that: described actuator is connected with controller, described controller can control the rotating speed of described actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868982.1U CN204532342U (en) | 2014-12-31 | 2014-12-31 | Hole diameter logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868982.1U CN204532342U (en) | 2014-12-31 | 2014-12-31 | Hole diameter logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204532342U true CN204532342U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420868982.1U Expired - Fee Related CN204532342U (en) | 2014-12-31 | 2014-12-31 | Hole diameter logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204532342U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975846A (en) * | 2015-07-21 | 2015-10-14 | 胡显三 | Hole diameter logging device |
| CN107366536A (en) * | 2017-09-13 | 2017-11-21 | 昆山哈伯希尔能源科技有限公司 | Based on rotary steering with drilling well footpath measuring method |
| CN108612522A (en) * | 2018-04-03 | 2018-10-02 | 中国石油天然气股份有限公司 | Casing pipe technical condition detection device and method |
| CN110375616A (en) * | 2019-08-13 | 2019-10-25 | 黄石佳鼎自动化科技有限公司 | A kind of anchor pole PORE SIZE APPARATUS FOR |
| EP3835544A1 (en) * | 2019-12-12 | 2021-06-16 | Services Pétroliers Schlumberger | Modular borehole imaging apparatus and methods |
| US11661840B2 (en) | 2019-12-12 | 2023-05-30 | Schlumberger Technology Corporation | Multi-finger caliper |
-
2014
- 2014-12-31 CN CN201420868982.1U patent/CN204532342U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975846A (en) * | 2015-07-21 | 2015-10-14 | 胡显三 | Hole diameter logging device |
| CN107366536A (en) * | 2017-09-13 | 2017-11-21 | 昆山哈伯希尔能源科技有限公司 | Based on rotary steering with drilling well footpath measuring method |
| CN107366536B (en) * | 2017-09-13 | 2020-05-08 | 昆山哈伯希尔能源科技有限公司 | Method for measuring borehole diameter while drilling based on rotary steering |
| CN108612522A (en) * | 2018-04-03 | 2018-10-02 | 中国石油天然气股份有限公司 | Casing pipe technical condition detection device and method |
| CN110375616A (en) * | 2019-08-13 | 2019-10-25 | 黄石佳鼎自动化科技有限公司 | A kind of anchor pole PORE SIZE APPARATUS FOR |
| EP3835544A1 (en) * | 2019-12-12 | 2021-06-16 | Services Pétroliers Schlumberger | Modular borehole imaging apparatus and methods |
| US11555395B2 (en) | 2019-12-12 | 2023-01-17 | Schlumberger Technology Corporation | Modular borehole imaging apparatus and methods |
| US11661840B2 (en) | 2019-12-12 | 2023-05-30 | Schlumberger Technology Corporation | Multi-finger caliper |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 |