CN203584411U - Centering short section for storage type instrument - Google Patents
Centering short section for storage type instrument Download PDFInfo
- Publication number
- CN203584411U CN203584411U CN201320686804.2U CN201320686804U CN203584411U CN 203584411 U CN203584411 U CN 203584411U CN 201320686804 U CN201320686804 U CN 201320686804U CN 203584411 U CN203584411 U CN 203584411U
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- China
- Prior art keywords
- main shaft
- outer end
- type instrument
- hinged
- support arm
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- Expired - Lifetime
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- 238000009827 uniform distribution Methods 0.000 claims description 10
- 230000035807 sensation Effects 0.000 claims description 4
- 238000005553 drilling Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
A centering short section for a storage type instrument comprises a main shaft and a supporting arm, wherein the supporting arm comprises a main supporting arm and an auxiliary supporting arm, the main supporting arm comprises two or more main plate springs which are evenly distributed in the circumference of the main shaft, the outer end of the main plate spring is hinged to a fixed base installed on the main shaft, the other end of the main plate spring is hinged to a sliding chunk clamped on the main shaft, the auxiliary supporting arm comprises two or more auxiliary plate springs which are evenly distributed in the circumference of the main shaft, the inner end of each auxiliary plate spring is hinged to an elastic cylindrical pin in a sliding groove in the main shaft and is pressed tightly through a pressing sleeve, and the outer end of each auxiliary plate spring is installed in a groove in the main shaft through the elastic cylindrical pin. By the centering short section for the storage type instrument, the centering operation of a logging instrument string is ensured, the measuring efficiency and accuracy rate are improved, and the safety of the instrument string is ensured.
Description
Technical field
The utility model relates to a kind of oil reservoir logging instrument, relates in particular to a kind of memory-type instrument centering short segment.
Background technology
Logging instrument is a kind of special-purpose geophysical prospecting equipment of measuring rock and coal bed physical property profile and drilling technique situation in boring, it can carry out continuous sweep to the borehole wall, also can carry out transversal scanning to any level, provide the technical data such as pit shaft sectional elevation, plane cross section, pit shaft useful area, pit shaft deflection distance.Well logging result can directly be shown by computer screen, also can be provided by plotter printer, flexible and convenient to use.The use of logger can prevent pit shaft deflection, reduces construction period, and accelerating construction progress, guarantees workmanship, and opinion economic benefit is obvious, social benefit highly significant.
Storage type logging system is comprised of ground installation and downhole instrument.Ground installation is by a notebook computer and a data acquisition device, sensor, and data reader forms.Downhole instrument comprises at present: upper hanger, sound wave, gamma, orientation, density, neutron, hole diameter, bilateral are to, eight side direction, hard electrode, insulating short section, rotating short-knot, shock absorber, lower hanging pup joint etc., every instrument of GIS60 storage type logging system is only joint formula, not electrical connection between instrument, only has mechanical connection, can, because of battery pack or instrument damage and affect other instruments always, not log well more reliable; Every instrument is independently-powered, and supplying cell only needs 1-2 joint, pot life 200 hours; More safe and reliable; Cable Follow-up type pumps well logging, and ground can monitor by tension force, CCL, the degree of depth three aspects: situation that pumps of instrument, guarantees reliable harmless the pumping of instrument; Cable can in officely be what is the need for and in time instrument be salvaged to well when wanting, and guarantees instrument safety; Surface readout and treatment facility are simple, and notebook computer and hand-held data reader and data acquisition device can read log data.Survey after completion can be within 20 minutes whole reading out datas carry out rdr playback, to check in time the curve quality of surveying; Log data format standard is compatible 5700rdr form, and 5700 operators can be skilled carries out after logging process; Can also require to carry other for data format according to user; Log can with 5700 contrasts, explain and 5700 compatibilities.
While adopting string well logging together, because instrument is more, down-hole situation is complicated, often causes instrument string or certain part to depart from, or is blocked, and causes error of measured data, affects logging effect.Therefore designed the servicing unit of logger: centralizer.
Utility model content
The utility model provides a kind of memory-type instrument centering short segment, and having solved logger string can not log well between two parties, causes the problem of logging error.
For reaching this object, the utility model by the following technical solutions:
A kind of memory-type instrument centering short segment, comprise main shaft and support arm, described support arm comprises master arm and secondary support arm, described master arm comprises two above mainboard springs along main shaft circumference uniform distribution, described mainboard spring outer end is hinged on the holder on main shaft, and the other end is hinged on the slip chuck being installed on main shaft;
Described secondary support arm comprises two above subplate springs along main shaft circumference uniform distribution, and described subplate spring medial end is hinged on the elastic cylindrical pin in the chute on main shaft, and adopts clamping sleeve to compress, and outer end is arranged in the groove on main shaft by elastic cylindrical pin.
As further preferred version, described master arm has six roots of sensation leaf spring circumference uniform distribution on main shaft, and described secondary support arm has four leaf spring circumference uniform distributions on main shaft.
As preferred version further, described mainboard spring outer end is hingedly mounted on the holder on main shaft by pin.
As preferred version further, on described main shaft, the one end in master arm outside is installed with neutron lower contact, in the cavity of described neutron lower contact outer end, anti-patch plug is installed, and neutron lower contact outer end is provided with plug; The described main shaft other end is provided with helmet, between described helmet and main shaft, by screw thread draw ring, is connected.
The beneficial effects of the utility model are: this centralizer is provided with two groups of support arms, principal arm is 6 support arms, auxiliary is 4 support arms, before well logging, first principal arm is compressed, slip chuck is stuck in main shaft, again auxiliary is compressed, make clamping sleeve fix slip chuck, put into drilling rod, principal arm can not flick after going out drilling rod, when stretching out drilling rod, auxiliary automatically springs open, thereby clamping sleeve is retracted, master arm can eject and block the borehole wall, start working, two groups of support arms prop up the borehole wall, make the operation between two parties of logger string, firm while guaranteeing well logging, measurement efficiency and accuracy rate have been improved, guaranteed the safety of instrument string, the rear support of having logged well arm draws in, applicable to hole condition environment such as straight well, inclined shaft, horizontal wells, especially, in the hole conditions such as inclined shaft, horizontal well, can be applicable to the measurement of different pit shaft hole diameters, is not easy to break down, measure simple to operate, good reliability, good stability in measuring process, survey data is very accurate.
Accompanying drawing explanation
Fig. 1 is the structural representation of centering short segment for memory-type instrument described in the utility model.
In figure:
1, helmet; 2, main shaft; 3, O RunddichtringO; 4, screw thread draw ring; 5, elastic cylindrical pin; 6, subplate spring; 7, clamping sleeve; 8, slip chuck; 9, pin; 10, extension spring holder; 11, mainboard spring; 12, extension spring; 13, fixed disk; 14, leaf spring holder; 15, neutron lower contact; 16, anti-patch plug; 17, plug.
The specific embodiment
As shown in Figure 1, provided a specific embodiment of the present utility model, below in conjunction with accompanying drawing, the present embodiment has been described.
In Fig. 1, the utility model main body is main shaft 2, major and minor two groups of support arms are installed on described main shaft 2, described master arm comprises that the six roots of sensation is along the mainboard spring 11 of main shaft 2 circumference uniform distributions, described mainboard spring 11 outer ends are hinged on the leaf spring holder 14 being arranged on main shaft 2, the other end is hinged on by pin 9 on the slip chuck 8 being installed on main shaft 2, and the main shaft section in the middle of described master arm is set with extension spring 12, and described extension spring 12 two ends are fixed on the extension spring holder 12 on main shaft 2.
Described secondary support arm comprises that four along the subplate spring 6 of main shaft 2 circumference uniform distributions, described subplate spring 6 medial ends are hinged on the elastic cylindrical pin 5 in the chute on main shaft 2, and adopting clamping sleeve 7 to compress, outer end is arranged in the groove on main shaft 2 by elastic cylindrical pin;
One end of master arm on described main shaft 2, the outside of described leaf spring holder 14, is installed with neutron lower contact 15 by trip bolt, in described neutron lower contact 15 outer end cavitys, anti-patch plug 16 is installed, and outer end is provided with plug 17; The other end of described main shaft 2 is provided with helmet 1, between described helmet 1 and main shaft 2, by screw thread draw ring 4, is connected, and between helmet 1 and main shaft 2, O RunddichtringO 3 is installed;
60 storage centralizer structures: this instrument has two groups of support arms, and principal arm is 6 support arms, and auxiliary is 4 support arms.
Operating principle of the present utility model is: before well logging, first master arm is compressed, slip chuck 8 is stuck on main shaft 2, again secondary support arm is compressed, make clamping sleeve 7 fix slip chuck 8, put into drilling rod, master arm can not flick after going out drilling rod, when stretching out drilling rod, secondary support arm automatically springs open, thereby clamping sleeve 7 is retracted, and master arm can eject and block the borehole wall, starts working.
Effect after this centralizer struts is mainly that instrument string can be worked between two parties, and centralizer and acoustic wave apparatus are used in conjunction with, and respectively once, acoustic wave apparatus is in centre up and down.
The mainboard spring that the present embodiment is lifted has the six roots of sensation, and subplate spring has four, and in practical application, mainboard spring and subplate spring can be two above fair amounts.
The utility model design is succinct, easy to use, is convenient to installation and removal, has guaranteed stable, the Measurement accuracy of during well logging Instrumental string.
Claims (4)
1. a memory-type instrument centering short segment, comprises main shaft and support arm, it is characterized in that:
Described support arm comprises master arm and secondary support arm, and described master arm comprises two above mainboard springs along main shaft circumference uniform distribution, and described mainboard spring outer end is hinged on the holder on main shaft, and the other end is hinged on the slip chuck being installed on main shaft;
Described secondary support arm comprises two above subplate springs along main shaft circumference uniform distribution, and described subplate spring medial end is hinged on the elastic cylindrical pin in the chute on main shaft, and adopts clamping sleeve to compress, and outer end is arranged in the groove on main shaft by elastic cylindrical pin.
2. a kind of memory-type instrument centering short segment according to claim 1, is characterized in that: described master arm has six roots of sensation leaf spring circumference uniform distribution on main shaft, and described secondary support arm has four leaf spring circumference uniform distributions on main shaft.
3. a kind of memory-type instrument centering short segment according to claim 1, is characterized in that: described mainboard spring outer end is hingedly mounted on the holder on main shaft by pin.
4. a kind of memory-type instrument centering short segment according to claim 1, it is characterized in that: on described main shaft, the one end in master arm outside is installed with neutron lower contact, in the cavity of described neutron lower contact outer end, anti-patch plug is installed, neutron lower contact outer end is provided with plug; The described main shaft other end is provided with helmet, between described helmet and main shaft, by screw thread draw ring, is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320686804.2U CN203584411U (en) | 2013-11-01 | 2013-11-01 | Centering short section for storage type instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320686804.2U CN203584411U (en) | 2013-11-01 | 2013-11-01 | Centering short section for storage type instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203584411U true CN203584411U (en) | 2014-05-07 |
Family
ID=50582347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320686804.2U Expired - Lifetime CN203584411U (en) | 2013-11-01 | 2013-11-01 | Centering short section for storage type instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203584411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939429A (en) * | 2018-09-21 | 2020-03-31 | 中国石油天然气股份有限公司 | Logging instrument |
-
2013
- 2013-11-01 CN CN201320686804.2U patent/CN203584411U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939429A (en) * | 2018-09-21 | 2020-03-31 | 中国石油天然气股份有限公司 | Logging instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180123 Address after: 300356 24, Tianjin Industrial Park, eight Li Town, Jinnan District, Jianshe Road Patentee after: JIAI (TIANJIN) PETROLEUM ENGINEERING TECHNOLOGY SERVICE CO.,LTD. Address before: 100070 Beijing city Fengtai District Haiying Road 1 Hospital No. 2 Building 2 Room 201 Patentee before: GI Technologies (Beijing) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee after: JIAI (TIANJIN) PETROLEUM ENGINEERING Co.,Ltd. Address before: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee before: JIAI (TIANJIN) PETROLEUM ENGINEERING TECHNOLOGY SERVICE CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee after: Jiai (Tianjin) automatic control intelligent equipment Co.,Ltd. Address before: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee before: JIAI (TIANJIN) PETROLEUM ENGINEERING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee after: Jichen Intelligent Equipment Group Co.,Ltd. Address before: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee before: Jiai (Tianjin) automatic control intelligent equipment Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |