CN107740687A - Caliper logging tool - Google Patents
Caliper logging tool Download PDFInfo
- Publication number
- CN107740687A CN107740687A CN201710964658.8A CN201710964658A CN107740687A CN 107740687 A CN107740687 A CN 107740687A CN 201710964658 A CN201710964658 A CN 201710964658A CN 107740687 A CN107740687 A CN 107740687A
- Authority
- CN
- China
- Prior art keywords
- reed
- expansion link
- main expansion
- outer sleeve
- ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 46
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000008859 change Effects 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 241001391944 Commicarpus scandens Species 0.000 abstract description 2
- 244000089486 Phragmites australis subsp australis Species 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001595 contractor effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000003090 exacerbative effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/08—Measuring diameters or related dimensions at the borehole
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The application is related to petroleum well logging technology field, more particularly to a kind of caliper logging tool, and main expansion link is arranged in outer sleeve, and the lower end of outer sleeve is openend；Main expansion link outer wall is provided with retainer ring；Also include the elastic reed of more root long bar shapeds, reed one end is fixed in retainer ring, other end installation ball；More reeds are symmetrically distributed in around main expansion link, and reed is arcuate structure, and convex surface facing main expansion link, ball is close on the inwall of outer sleeve under the elastic force of reed；Displacement transducer is installed on ball.The present invention, which provides, is released ball using its own resilient of reed, is measured at any time, it is not necessary to provides other external force, reed collapses simple respectively, it is not easy to breaks down；Simple to operate, good reliability is measured, stability is good in measurement process, and measurement data is very accurate.
Description
Technical field
The application is related to petroleum well logging technology field, more particularly to a kind of caliper logging tool.
Background technology
In process of oil production, the situation of casing wear is inevitable in oil field, the implementation process of various oil recovery measures
In cause pressure imbalance between well and well, between layers, the activity, mud stone water swelling, chemistry for exacerbating tomography are rotten
The a series of casing damage phenomenons such as erosion so that abrasion, burn into breakage and other deformations occurs in sleeve pipe.At present, using well
Footpath logging instrument measurement sleeve technology is one of effective means of effective detection casing damage, and caliper logging tool can pass through measuring unit
The abrasion of sleeve pipe, burn into be damaged and other deformations to react for bore.
Existing well logging apparatus generally uses arm Caliper Log instrument, it by provided with the measuring arm that can shrink opening,
And then after the arm Caliper Log instrument is lowered into sleeve pipe by its measuring arm is opened after contact with internal surface of sleeve pipe, carried upper
During by measuring arm and the CONTACT WITH FRICTION of internal surface of sleeve pipe, to reflect the internal diameter of sleeve pipe.
After this device transfers to underground, after telescoping ram pushes the measuring arm of instrument open, four measuring arms of instrument with hole diameter change
Change freedom retractable, each free band electrokinetic potential device moves four well logging support arms, and the transfer effect of this device is good, reflects borehole wall diameter
Change accuracy it is also higher, but this device well logging support arm expansion and contractive action carried out all by motor, knot
Structure is complicated, and cumbersome, and reliability is poor, and energy resource consumption is high, simultaneously because stablizing for motor and running part is poor, holds
Easily break down, can thus make the data of detection inaccurate, influence project progress.
The content of the invention
To solve the above problems, the present invention provides a kind of caliper logging tool, simple in construction, easy to operate, good reliability, energy
Source consumption is low, detection data are accurate.
Concrete technical scheme is：
Caliper logging tool, including outer sleeve and main expansion link, described main expansion link are arranged in outer sleeve, main expansion link
With outer sleeve coaxial inner conductor, main expansion link is controlled by expansion controller；Described expansion controller is arranged on the top of outer sleeve；
There is guide pad inside described outer sleeve, there is through hole to be passed through for main expansion link in described guide pad；The lower end of outer sleeve
For openend；
Described main expansion link outer wall is provided with retainer ring；Also include the elastic reed of more root long bar shapeds, described spring
Piece one end is fixed in retainer ring, other end installation ball；Reed described in more is symmetrically distributed in around main expansion link, and
And reed is arcuate structure, convex surface facing main expansion link, concave surface is towards outer sleeve, when described main expansion link contraction state,
Described ball is close on the inwall of outer sleeve under the elastic force of reed；And ball is located in the openend of outer sleeve；Institute
Displacement transducer is installed on the ball stated.
Described main expansion link lower end connection center-pole, is cased with the collar on described center-pole, and the described collar can be
Slided on center-pole；Each described ball connects an elastic threads respectively, and the other end of elastic threads is fixed on the collar.
Described center-pole is scalable pole, includes the loop bar of multistage Diameter Gradual Change, and most the preceding paragraph loop bar is outermost layer
Loop bar, lower end are cased with the loop bar received in Diameter Gradual Change I successively.
The wing connection of flexibility is passed sequentially through between reed described in more；The openend of outer sleeve is stretched out in the ball of reed
When outer maximum displacement position, described chord is tight.
Described openend outer wall is provided with the flange that a circle turns up.
Compared with prior art the invention has the advantages that：
Caliper logging tool provided by the invention, as long as main expansion link is released when going into the well, utilizes its own resilient of reed
Ball is released, measured at any time, it is not necessary to hole diameter leg, therefore other external force need not be provided again, reduce disappearing for the energy
Consumption；The measurement of various sizes of pit shaft hole diameter, particularly deep-well can be adapted to measure, reed also can remote control stretch out, and pass through
The displacement transducer that ball carries passes data to out, it is ensured that everything goes well with your work carries out for normal measurement, and reed collapses difference
Simply, it is not easy to break down；Simple to operate, good reliability is measured, stability is good in measurement process, and measurement data is very accurate
Really.
Figure of description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is one of use state diagram of the present invention；
Fig. 3 is the two of the use state diagram of the present invention.
Embodiment
In conjunction with accompanying drawing, the invention will be further described.
Embodiment 1
As shown in figure 1, caliper logging tool, including outer sleeve 1 and main expansion link 3, described main expansion link 3 are arranged on overcoat
In cylinder 1, main expansion link 3 and the coaxial inner conductor of outer sleeve 1, main expansion link 3 are controlled by expansion controller 2；Described expansion controller 2
Installed in the top of outer sleeve 1；There is guide pad 8 inside described outer sleeve 1, there is through hole to be used to lead in described guide pad 8
Expansion link 3 passes through；The lower end of outer sleeve 1 is openend 10；
The described outer wall of main expansion link 3 is provided with retainer ring 4；Also include the elastic reed 5 of more root long bar shapeds, it is described
The one end of reed 5 is fixed in retainer ring 4, other end installation ball 12；Reed 5 described in more is symmetrically distributed in main expansion link
Around 3, and reed 5 is arcuate structure, and convex surface facing main expansion link 3, concave surface is towards outer sleeve 1, when described main expansion link 3
During contraction state, described ball 12 is close on the inwall of outer sleeve 1 under the elastic force of reed 5；And ball 12 is positioned at outer
In the openend 10 of sleeve 1；Displacement transducer is installed on described ball 12.
Measurement it is preceding first caliper logging tool is transferred to wait to log well in, then expansion controller 2 control main expansion link 3 to
Lower stretching, expansion controller 2 can be the mechanical mechanism that electric cylinders, cylinder etc. can stretch.
As shown in Fig. 2 after main expansion link 3 stretches out, the reed 5 in retainer ring 4 is driven to move down together, the ball 12 of reed 5
Stretched out from the openend 10 of outer sleeve 1, the lower half of reed 5 is also gradually stretched out outside openend 10, and the lower half of reed 5 is gradually lost
The constraint of outer sleeve 1 has been gone, the elastic force release of reed 5, ball 12 has been extrapolated always, until touching the borehole wall, ball 12 carries
Displacement transducer monitoring displacement data, the diameter of well herein is calculated according to the horizontal position in-migration of ball 12.
When converting measurement position, as long as mobile outer sleeve 1, ball 12 roll on well inwall, continue to measure.
After measurement terminates, by lifting main expansion link 3, reed 5 and ball 12 are recovered in outer sleeve 1, facilitate hole diameter
Logging instrument smoothly gug.
Embodiment 2
In order to ensure stabilization that each reed 5 is collapsed and decontroled, on the basis of embodiment 1, in addition to following technology is special
Sign：
The described lower end of main expansion link 3 connects center-pole 6, is cased with the collar 9 on described center-pole 6, the described collar 9 can
To be slided on center-pole 6；Each described ball 12 connects an elastic threads 11 respectively, and the other end of elastic threads 11 is fixed on
On the collar 9.
Elastic threads 11 can constrain reed 5 and stretch out long, influence measurement effect.And contribute to reed 5 and ball 12
Withdraw.The each extension elongation of reed 5 of holding that other elastic threads 11 can also try one's best is similar, and center-pole 6 can be located at as far as possible
On the center line of well, it is ensured that the accuracy of measurement.
Embodiment 3
When for measuring close to the position in shaft bottom, after being stretched out due to reed 5, flip over, and ball 12
Also shaft bottom being proximate to, in order to avoid center-pole 6 withstands on shaft bottom so that ball 12 can not be attached to shaft bottom, therefore in the skill of embodiment 2
In art scheme, design centre bar 6 is scalable pole, includes the loop bar of multistage Diameter Gradual Change, and most the preceding paragraph loop bar is outermost layer
Loop bar, lower end are cased with the loop bar received in Diameter Gradual Change I successively.As shown in figure 3, when bottoming out, center-pole 6 is packed up, it is ensured that
Ball 12 be attached to shaft bottom measurement,
Embodiment 4
On the basis of above example, the wing 7 that flexibility is passed sequentially through between the reed 5 described in more connects；In reed 5
Ball 12 when stretch out the outer maximum displacement position in openend 10 of outer sleeve 1, the described wing 7 is tensioned.The effect of the wing 7 is set
Be in order to protect reed 5, to prevent cross deform, when ball 12 stretch out maximum displacement position when, the wing 7 is tensioned, reed 5 it is mutual it
Between pin down, it is impossible to continue to open, to prevent cross deform, it is impossible to resile, influence instrument service life.
In addition in use, it may also be ensured that each reed 5 keeps being symmetrically distributed in around main expansion link 3, when it
In two neighboring reed 5 swing, when causing the spacing of two reeds 5 excessive, the wing 7 will be also tensioned in advance, to prevent entering
One step spacing becomes big, can so improve measurement accuracy.
The described outer wall of openend 10 is provided with the flange 13 that a circle turns up.Ball 12 is recovered in outer sleeve 1 respectively.
Claims (5)
1. caliper logging tool, it is characterised in that including outer sleeve (1) and main expansion link (3), the installation of described main expansion link (3)
In outer sleeve (1), main expansion link (3) and outer sleeve (1) coaxial inner conductor, main expansion link (3) are controlled by expansion controller (2)；
Described expansion controller (2) is arranged on the top of outer sleeve (1)；There are guide pad (8), institute in described outer sleeve (1) inside
There is through hole to be passed through for main expansion link (3) in the guide pad (8) stated；The lower end of outer sleeve (1) is openend (10)；
Described main expansion link (3) outer wall is provided with retainer ring (4)；Also include the elastic reed (5) of more root long bar shapeds, it is described
Reed (5) one end be fixed in retainer ring (4), the other end installation ball (12)；Reed (5) described in more is symmetrically distributed
Around main expansion link (3), and reed (5) is arcuate structure, and convex surface facing main expansion link (3), concave surface is towards outer sleeve
(1), when described main expansion link (3) contraction state, described ball (12) is close to overcoat under the elastic force of reed (5)
On the inwall of cylinder (1)；And ball (12) is located in the openend (10) of outer sleeve (1)；It is provided with described ball (12)
Displacement transducer.
2. caliper logging tool according to claim 1, it is characterised in that described main expansion link (3) lower end connection center
Bar (6), the collar (9) is cased with described center-pole (6), the described collar (9) can slide on center-pole (6)；Each institute
The ball (12) stated connects an elastic threads (11) respectively, and the other end of elastic threads (11) is fixed on the collar (9).
3. caliper logging tool according to claim 2, it is characterised in that described center-pole (6) is scalable pole, bag
The loop bar of multistage Diameter Gradual Change is included, most the preceding paragraph loop bar is outermost layer loop bar, and lower end is cased with what is received in Diameter Gradual Change I successively
Loop bar.
4. according to the caliper logging tool described in any one of Claim 1-3, it is characterised in that between the reed (5) described in more
Pass sequentially through the wing (7) connection of flexibility；Ball (12) in reed (5) stretches out openend (10) outer dominant bit of outer sleeve (1)
When pan position, the described wing (7) tensioning.
5. caliper logging tool according to claim 1, it is characterised in that described openend (10) outer wall is provided with a circle
The flange (13) to turn up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710964658.8A CN107740687B (en) | 2017-10-17 | 2017-10-17 | Hole diameter logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710964658.8A CN107740687B (en) | 2017-10-17 | 2017-10-17 | Hole diameter logging instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107740687A true CN107740687A (en) | 2018-02-27 |
| CN107740687B CN107740687B (en) | 2020-10-23 |
Family
ID=61236841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710964658.8A Expired - Fee Related CN107740687B (en) | 2017-10-17 | 2017-10-17 | Hole diameter logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107740687B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700813A (en) * | 2019-12-03 | 2020-01-17 | 中国石油化工股份有限公司 | Logging instrument fixing device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1242252A (en) * | 1967-11-02 | 1971-08-11 | Schlumberger Prospection | Improvements in and relating to apparatus for use in boreholes |
| US4243099A (en) * | 1978-05-24 | 1981-01-06 | Schlumberger Technology Corporation | Selectively-controlled well bore apparatus |
| SU1382937A1 (en) * | 1986-07-23 | 1988-03-23 | Всесоюзный научно-исследовательский институт нефтепромысловой геофизики | Deep-well profile gauge |
| SU1686148A1 (en) * | 1989-04-04 | 1991-10-23 | Всесоюзный научно-исследовательский и проектно-конструкторский институт геофизических методов исследований, испытания и контроля нефтегазоразведочных скважин | Well profile measurement device |
| CN201265412Y (en) * | 2008-10-16 | 2009-07-01 | 刘小白 | Down-hole tube diameter and tube position temperature tester |
| CN202170792U (en) * | 2011-07-25 | 2012-03-21 | 中国石油大学(北京) | Measuring device of radial deformation of well hole |
| CN202596721U (en) * | 2012-05-31 | 2012-12-12 | 北京阿达尔石油技术有限责任公司 | Forty-arm caliper |
| CN203685170U (en) * | 2014-01-10 | 2014-07-02 | 瑞和安惠项目管理集团有限公司 | Aperture detecting device of pile hole for project supervision |
| CN205100966U (en) * | 2015-11-04 | 2016-03-23 | 东营仪锦能源科技有限公司 | Cross four arm caliper survey appearance of drilling rod storage formula |
| CN105986818A (en) * | 2015-02-28 | 2016-10-05 | 中国石油集团长城钻探工程有限公司 | Dual lateral logging unit |
| CN206016801U (en) * | 2016-08-10 | 2017-03-15 | 延长油田股份有限公司 | A kind of 40 arm calliper log devices |
| CN206338064U (en) * | 2016-12-30 | 2017-07-18 | 吉艾（天津）石油工程技术服务有限公司 | A kind of caliper logging tool |
-
2017
- 2017-10-17 CN CN201710964658.8A patent/CN107740687B/en not_active Expired - Fee Related
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1242252A (en) * | 1967-11-02 | 1971-08-11 | Schlumberger Prospection | Improvements in and relating to apparatus for use in boreholes |
| US3685158A (en) * | 1967-11-02 | 1972-08-22 | Schlumberger Technology Corp | Sondes with articulated arms used in well logging |
| US4243099A (en) * | 1978-05-24 | 1981-01-06 | Schlumberger Technology Corporation | Selectively-controlled well bore apparatus |
| SU1382937A1 (en) * | 1986-07-23 | 1988-03-23 | Всесоюзный научно-исследовательский институт нефтепромысловой геофизики | Deep-well profile gauge |
| SU1686148A1 (en) * | 1989-04-04 | 1991-10-23 | Всесоюзный научно-исследовательский и проектно-конструкторский институт геофизических методов исследований, испытания и контроля нефтегазоразведочных скважин | Well profile measurement device |
| CN201265412Y (en) * | 2008-10-16 | 2009-07-01 | 刘小白 | Down-hole tube diameter and tube position temperature tester |
| CN202170792U (en) * | 2011-07-25 | 2012-03-21 | 中国石油大学(北京) | Measuring device of radial deformation of well hole |
| CN202596721U (en) * | 2012-05-31 | 2012-12-12 | 北京阿达尔石油技术有限责任公司 | Forty-arm caliper |
| CN203685170U (en) * | 2014-01-10 | 2014-07-02 | 瑞和安惠项目管理集团有限公司 | Aperture detecting device of pile hole for project supervision |
| CN105986818A (en) * | 2015-02-28 | 2016-10-05 | 中国石油集团长城钻探工程有限公司 | Dual lateral logging unit |
| CN205100966U (en) * | 2015-11-04 | 2016-03-23 | 东营仪锦能源科技有限公司 | Cross four arm caliper survey appearance of drilling rod storage formula |
| CN206016801U (en) * | 2016-08-10 | 2017-03-15 | 延长油田股份有限公司 | A kind of 40 arm calliper log devices |
| CN206338064U (en) * | 2016-12-30 | 2017-07-18 | 吉艾（天津）石油工程技术服务有限公司 | A kind of caliper logging tool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700813A (en) * | 2019-12-03 | 2020-01-17 | 中国石油化工股份有限公司 | Logging instrument fixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107740687B (en) | 2020-10-23 |
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Granted publication date: 20201023 Termination date: 20211017 |