CN104975846A - Hole diameter logging device - Google Patents
Hole diameter logging device Download PDFInfo
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- CN104975846A CN104975846A CN201510429459.8A CN201510429459A CN104975846A CN 104975846 A CN104975846 A CN 104975846A CN 201510429459 A CN201510429459 A CN 201510429459A CN 104975846 A CN104975846 A CN 104975846A
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- measurement components
- righting
- logging tool
- gage beam
- caliper logging
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Abstract
The invention discloses a hole diameter logging device. The logging device comprises a housing body. A first measuring assembly and a second measuring assembly, which are up-down distributed, are arranged outside the housing body. Each of the first measuring assembly and the second measuring assembly comprises preset numbers of measuring arms which are distributed on the housing body at an equal interval. The measuring arms of the firs measuring assembly and the measuring arms of the second measuring assembly are complementary in space. The logging device also comprises a driving piece which is connected with the first measuring assembly and the second measuring assembly and is capable of driving the measuring arms of the first measuring assembly and of the second measuring assembly to rotate around the axis of the housing body. According to the invention, seamless detection ability for longitudinal cracks of a sleeve can be improved.
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.
Summary of the invention
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 first measurement components and the second measurement components that described housing distributes outward from top to bottom, described first measurement components and the second measurement components comprise the gage beam be spacedly distributed on the housing of predetermined number respectively; The gage beam of described first measurement components spatially becomes complementary relationship with the gage beam of the second measurement components;
Be located at the actuator in described housing, it connects described first measurement components and the second measurement components; Described actuator can drive the gage beam of described first measurement components and the gage beam of the second measurement components 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, and the rotation direction of the gage beam of the second measurement components is consistent and rotary speed is identical for the gage beam of described first measurement components.
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 first measurement components and the second measurement components 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.
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.In addition, because the gage beam of two measurement components is spatially complementary, thus can realize carrying out seamless detection to internal surface of sleeve pipe.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention 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 some embodiments of the present invention, 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 protection of the invention.
Please refer to Fig. 1, the caliper logging tool that a kind of embodiment of the application provides, comprising: housing 1;
Be located at the first measurement components and the second measurement components that distribute outside described housing 1 from top to bottom, described first measurement components and the second measurement components comprise the gage beam 3,7 be spacedly distributed on described housing 1 of predetermined number respectively; The gage beam 3 of described first measurement components spatially becomes complementary relationship with the gage beam 7 of the second measurement components.Such as, gage beam 3 is made up of 3 arms, be respectively 0 ° in the distribution angle in space, 120 ° and 240 °, so gage beam 7 can be made up of 3 arms equally, being divided in the distribution angle in space is 60 °, 180 ° and 300 °, like this, gage beam 3 and gage beam 7 just spatially can form complementary relationship, along with the increase of gage beam quantity, thus can realize carrying out seamless detection to internal surface of sleeve pipe.
Be located at the actuator (not shown) in described housing, it connects described first measurement components and the second measurement components; Described actuator can drive the gage beam 3 of described first measurement components and the gage beam 7 of the second measurement components to rotate around the axis of described housing 1.
In the application one preferred embodiment, the upper end of described housing 1 is provided with the cable interface 5 for stube cable, and described actuator comprises the motor connecting described cable interface 5.
In the application one preferred embodiment, the rotation direction of the gage beam 3 of described first measurement components and the gage beam 7 of the second measurement components is consistent and rotary speed is identical.So just, the synchronous axial system of two groups of gage beams can be realized.
In the application one preferred embodiment, 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.
In the application one preferred embodiment, described righting assembly comprises righting part 11 and lower righting part 13; Upper righting part 11 comprises the upper righting arm 3 can fitted with internal surface of sleeve pipe, and lower righting part 13 comprises the lower righting arm 4 can fitted with internal surface of sleeve pipe.
In the application one preferred embodiment, described first measurement components and the second measurement components are on described between righting part 11 and lower righting part 13.Can arrange measuring section 12 between described first measurement components and the second measurement components, it is inner that described actuator just can be positioned at described measuring section 12.
In the application one preferred embodiment, the lower end of described housing 1 is provided with the tail cap 6 for leading.
The caliper logging tool that the application provides is by organically combining actuator and described measurement components, 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.In addition, because the gage beam of two measurement components is spatially complementary, thus can realize carrying out seamless detection to internal surface of sleeve pipe.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the scope of protection of present invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (7)
1. a caliper logging tool, is characterized in that, comprising: housing;
Be located at the first measurement components and the second measurement components that described housing distributes outward from top to bottom, described first measurement components and the second measurement components comprise the gage beam be spacedly distributed on the housing of predetermined number respectively; The gage beam of described first measurement components spatially becomes complementary relationship with the gage beam of the second measurement components;
Be located at the actuator in described housing, it connects described first measurement components and the second measurement components; Described actuator can drive the gage beam of described first measurement components and the gage beam of the second measurement components 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, and described actuator comprises the motor connecting described cable interface.
3. caliper logging tool as claimed in claim 1, is characterized in that, and the rotation direction of the gage beam of the second measurement components is consistent and rotary speed is identical for the gage beam of described first measurement components.
4. caliper logging tool as claimed in claim 1, it 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.
5. caliper logging tool as claimed in claim 4, it 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.
6. caliper logging tool as claimed in claim 5, is characterized in that, described first measurement components and the second measurement components are on described between righting part and lower righting part.
7. caliper logging tool as claimed in claim 1, it is characterized in that, the lower end of described housing is provided with the tail cap for leading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510429459.8A CN104975846A (en) | 2015-07-21 | 2015-07-21 | Hole diameter logging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510429459.8A CN104975846A (en) | 2015-07-21 | 2015-07-21 | Hole diameter logging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104975846A true CN104975846A (en) | 2015-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510429459.8A Pending CN104975846A (en) | 2015-07-21 | 2015-07-21 | Hole diameter logging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104975846A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2139626Y (en) * | 1992-09-29 | 1993-08-04 | 叶春荣 | Eight arm double well diameter measuring instrument |
| CN2435747Y (en) * | 2000-06-23 | 2001-06-20 | 西安石油勘探仪器总厂 | Direction lateral well-logging instrument |
| CN201090208Y (en) * | 2007-10-26 | 2008-07-23 | 大庆油田有限责任公司 | Well logger for independent arm hole diameter imaging |
| US7424912B2 (en) * | 2006-12-29 | 2008-09-16 | Schlumberger Technology Corporation | Wellbore treatment apparatus and method |
| CN202991012U (en) * | 2012-12-14 | 2013-06-12 | 北京阿达尔石油技术有限责任公司 | Multi-arm well diameter imager |
| CN203347785U (en) * | 2013-07-03 | 2013-12-18 | 北京环鼎科技有限责任公司 | D4CG four-arm independent hydraulic well-calipering apparatus |
| CN204532342U (en) * | 2014-12-31 | 2015-08-05 | 中国石油天然气股份有限公司 | Caliper logging tool |
-
2015
- 2015-07-21 CN CN201510429459.8A patent/CN104975846A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2139626Y (en) * | 1992-09-29 | 1993-08-04 | 叶春荣 | Eight arm double well diameter measuring instrument |
| CN2435747Y (en) * | 2000-06-23 | 2001-06-20 | 西安石油勘探仪器总厂 | Direction lateral well-logging instrument |
| US7424912B2 (en) * | 2006-12-29 | 2008-09-16 | Schlumberger Technology Corporation | Wellbore treatment apparatus and method |
| CN201090208Y (en) * | 2007-10-26 | 2008-07-23 | 大庆油田有限责任公司 | Well logger for independent arm hole diameter imaging |
| CN202991012U (en) * | 2012-12-14 | 2013-06-12 | 北京阿达尔石油技术有限责任公司 | Multi-arm well diameter imager |
| CN203347785U (en) * | 2013-07-03 | 2013-12-18 | 北京环鼎科技有限责任公司 | D4CG four-arm independent hydraulic well-calipering apparatus |
| CN204532342U (en) * | 2014-12-31 | 2015-08-05 | 中国石油天然气股份有限公司 | Caliper logging tool |
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Application publication date: 20151014 |