CN218407416U - Permanent magnet structure of eccentric nuclear magnetic resonance logging instrument - Google Patents
Permanent magnet structure of eccentric nuclear magnetic resonance logging instrument Download PDFInfo
- Publication number
- CN218407416U CN218407416U CN202222141813.5U CN202222141813U CN218407416U CN 218407416 U CN218407416 U CN 218407416U CN 202222141813 U CN202222141813 U CN 202222141813U CN 218407416 U CN218407416 U CN 218407416U
- Authority
- CN
- China
- Prior art keywords
- magnetic resonance
- nuclear magnetic
- logging instrument
- resonance logging
- sleeve
- 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.)
- Expired - Fee Related
Links
- 238000005481 NMR spectroscopy Methods 0.000 title claims abstract description 44
- 238000009434 installation Methods 0.000 claims abstract description 14
- 239000002689 soil Substances 0.000 claims abstract description 9
- 230000008602 contraction Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 230000001739 rebound effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000005553 drilling Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005358 geomagnetic field Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model relates to a nuclear magnetic resonance logging instrument technical field especially relates to an eccentric type nuclear magnetic resonance logging instrument permanent magnet structure. The technical scheme comprises the following steps: soil layer, nuclear magnetic resonance logging instrument main part and screw rod, the exploration well has been seted up to the inside on soil layer, and the nuclear magnetic resonance logging instrument main part has been placed to the inside of exploration well, and the outside fixedly connected with installation cover of nuclear magnetic resonance logging instrument main part, the outside rotation mounting of installation cover has the movable sleeve. The utility model discloses a be provided with mutually supporting between shrink pole, movable sleeve, movable pulley and the sliding block, can be comparatively convenient can remove along the inside of movable sleeve through the shrink pole, make the sliding block convenient extrude reset spring, through reset spring's rebound effect, make the movable pulley laminate with the inner wall of exploration well, can effectually prevent that nuclear magnetic resonance logging instrument main part from producing the condition of rocking, make the data of examining time measuring more accurate, reduced working strength.
Description
Technical Field
The utility model relates to a nuclear magnetic resonance logging instrument technical field specifically is an eccentric type nuclear magnetic resonance logging instrument permanent magnet structure.
Background
The nuclear magnetic resonance logging is a logging method for measuring the free precession of hydrogen nuclei in a stratum in a geomagnetic field, and the nuclear magnetic resonance technology is widely applied to various fields as an important modern analysis means.
Through the retrieval, patent publication No. CN211856931U discloses a nuclear magnetic resonance logging instrument while drilling, this utility model relates to a nuclear magnetic resonance logging instrument while drilling, include: the antenna drill collar comprises a drill collar body, an antenna, an outer layer permanent magnet, an inner layer permanent magnet and a magnet insert, wherein the outer layer permanent magnet and the antenna are arranged on the drill collar body, the inner layer permanent magnet is arranged on the magnet insert and corresponds to the position of the outer layer permanent magnet arranged on the drill collar body, and the antenna arranged on the drill collar body is integrated with an auxiliary measurement system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an eccentric type nuclear magnetic resonance logging instrument permanent magnet structure to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an eccentric type nuclear magnetic resonance logging instrument permanent magnet structure, includes soil layer, nuclear magnetic resonance logging instrument main part and screw rod, the exploration well has been seted up to the inside on soil layer, the nuclear magnetic resonance logging instrument main part has been placed to the inside of exploration well, the outside fixedly connected with installation cover of nuclear magnetic resonance logging instrument main part, the movable sleeve is installed in the outside rotation of installation cover, the inside movable mounting of movable sleeve has the shrink rod, the outside movable mounting of the nuclear magnetic resonance logging instrument main part at installation cover top has the stop collar, the top fixedly connected with screw rod of nuclear magnetic resonance logging instrument main part, the top rotation of stop collar install with screw rod complex thread bush.
Can be comparatively convenient can move along the inside of movable sleeve through the shrink pole, make that the sliding block is convenient extrude reset spring, through reset spring's rebound effect, make the movable pulley can laminate with the inner wall of exploration well, can effectually prevent that nuclear magnetic resonance logging instrument main part from producing the condition of rocking, make the data of examining time measuring more accurate, reduced working strength.
Preferably, the limiting sleeve is fixedly connected with the threaded sleeve through the threaded sleeve, and an annular groove matched with the linkage rod is formed in the limiting sleeve. Can be comparatively convenient, through rotatory thread bush, make the gangbar can rotate in the inside of stop collar, make simultaneously to cooperate between screw rod and the thread bush, make the thread bush can remove along the screw rod to link the stop collar, under the effect of connecting rod, overturn the movable sleeve, it is more convenient at the in-process of accomodating to make, better usable floor area that reduces, it is more convenient when carrying.
Preferably, the nuclear magnetic resonance logging instrument main part outside cover has spacing spring, and spacing spring is located between spacing cover and the installation cover. Utilize spacing spring can be convenient extrude the stop collar, make the stop collar can be convenient carry on spacingly.
Preferably, the movable sleeve and the limiting sleeve are movably mounted through a connecting rod, and the bottom of the connecting rod is fixedly connected with a rotating seat matched with the movable sleeve. Make the thread bush can remove along the screw rod to link the stop collar, under the effect of connecting rod, overturn the movable sleeve, make the in-process of accomodating more convenient, better reduction usable floor area is more convenient when carrying.
Preferably, the inner side of the contraction rod is fixedly connected with a sliding block, and the sliding block is movably connected with the movable sleeve through a return spring. Through the inside of the movable sleeve that can be convenient of sliding block, make the sliding block can drive the shrink pole and stretch out and draw back, make the in-process of laminating inseparabler, can effectually prevent to produce the condition of rocking, can extrude the sliding block through reset spring simultaneously, make the nuclear magnetic resonance logging instrument main part can be more convenient install on the inner wall of exploration well, prevent to produce the skew, increased the precision.
Preferably, the mounting sleeve and the movable sleeve are rotatably mounted through a movable shaft, and a sliding wheel matched with the detection well is fixedly connected to the outer side of the contraction rod. Through the loose axle can be convenient rotate the movable sleeve, make the movable sleeve more convenient at the in-process of folding accomodating, make more high-efficient when using, simultaneously can be convenient through the movable pulley laminate with the inside of surveying the well, increase stable effect.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through being provided with shrink pole, movable sleeve, mutually supporting between movable pulley and the sliding block, can be comparatively convenient can remove along the inside of movable sleeve through shrink pole, make the sliding block convenient extrude reset spring, through reset spring's resilience effect, make the movable pulley can laminate with the inner wall of exploration well, can effectually prevent that nuclear magnetic resonance logging instrument main part from producing the condition of rocking, make the data of detecting time measuring more accurate, reduced working strength.
2. Through being provided with the thread bush, the stop collar, mutually support between gangbar and the ring channel, can be comparatively convenient, through rotatory thread bush, make the gangbar rotate in the inside of stop collar, make simultaneously to cooperate between screw rod and the thread bush, make the thread bush move along the screw rod, thereby link the stop collar, under the effect of connecting rod, overturn the movable sleeve, it is more convenient to make the in-process of accomodating, the better usable floor area that reduces, it is more convenient when carrying.
Drawings
Fig. 1 is a front schematic structural view of the present invention;
fig. 2 is a schematic diagram of the front structure of the nmr logging instrument of the present invention;
FIG. 3 is the internal structural intention of the front surface of the NMR logging instrument of the present invention;
fig. 4 is a schematic view of the internal partial structure of the movable sleeve of the present invention.
In the figure: 1. a soil layer; 101. a detection well; 2. a nuclear magnetic resonance logging tool body; 201. installing a sleeve; 202. a movable sleeve; 203. a retracting lever; 204. a sliding wheel; 205. a movable shaft; 206. a connecting rod; 207. a rotating base; 208. a position limiting sleeve; 209. a limiting spring; 3. a screw; 301. a threaded sleeve; 302. a linkage rod; 303. an annular groove; 4. a slider; 401. a return spring.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1, fig. 2, fig. 3, fig. 4 shows, the utility model provides an eccentric type nuclear magnetic resonance logging instrument permanent magnet structure, including soil layer 1, nuclear magnetic resonance logging instrument main part 2 and screw rod 3, exploration well 101 has been seted up to soil layer 1's inside, nuclear magnetic resonance logging instrument main part 2 has been placed to exploration well 101's inside, the outside fixedly connected with installation cover 201 of nuclear magnetic resonance logging instrument main part 2, the outside rotation of installation cover 201 installs movable sleeve 202, the inside movable mounting of movable sleeve 202 has shrink rod 203, the outside movable mounting of the nuclear magnetic resonance logging instrument main part 2 at installation cover 201 top has stop collar 208, the top fixedly connected with screw rod 3 of nuclear magnetic resonance logging instrument main part 2, the top rotation of stop collar 208 install with screw rod 3 complex thread bush 301, through thread bush 301 fixed connection between stop collar 208 and the thread bush 301, and the inside of stop collar 208 set have seted up with gangbar 302 complex ring channel 303, 2 outside cover has stop spring 209, and stop spring 209 is located between stop collar 208 and the installation cover 301, and the bottom movable sleeve 202 is connected with the movable sleeve 206 through the movable sleeve 206 and the bottom fixed mounting of connecting rod 202 and 206.
The working principle of the permanent magnet structure of the eccentric nuclear magnetic resonance logging instrument based on the embodiment 1 is as follows: can remove along the inside of movable sleeve 202 through shrink rod 203, make the convenient reset spring 401 of sliding block 4 extrude, rebound effect through reset spring 401, make movable pulley 204 can laminate with the inner wall of exploration well 101, can effectually prevent that nuclear magnetic resonance logging instrument main part 2 from producing the condition of rocking, make the data of examining time measuring more accurate, working strength is reduced, utilize rotatory thread bush 301, make gangbar 302 can rotate in the inside of stop collar 208, make simultaneously cooperate between screw rod 3 and the thread bush 301, make thread bush 301 can remove along screw rod 3, thereby link stop collar 208, under the effect of connecting rod 206, overturn movable sleeve 202, it is more convenient to make the in-process of accomodating, the better usable floor area that reduces, it is more convenient when carrying.
Example two
As shown in fig. 3 and 4, the utility model provides an eccentric type nmr logging instrument permanent magnet structure compares in embodiment one, and this embodiment still includes: the inner side of the contraction rod 203 is fixedly connected with a sliding block 4, the sliding block 4 is movably connected with the movable sleeve 202 through a return spring 401, the mounting sleeve 201 is rotatably mounted with the movable sleeve 202 through a movable shaft 205, and the outer side of the contraction rod 203 is fixedly connected with a sliding wheel 204 matched with the detection well 101.
In this embodiment, as shown in fig. 4, the sliding block 4 can conveniently slide along the inside of the movable sleeve 202, so that the sliding block 4 can drive the contraction rod 203 to extend and retract, so that the fitting process is more compact, and the shaking can be effectively prevented; as shown in fig. 3, the movable sleeve 202 can be conveniently rotated by the movable shaft 205, so that the movable sleeve 202 is more convenient to fold and store, and is more efficient to use, and meanwhile, the movable sleeve 204 can be conveniently attached to the inside of the detection well 101, and the stabilizing effect is improved.
The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.
Claims (6)
1. The utility model provides an eccentric type nuclear magnetic resonance logging instrument permanent magnet structure, includes soil layer (1), nuclear magnetic resonance logging instrument main part (2) and screw rod (3), its characterized in that: the utility model discloses a nuclear magnetic resonance logging instrument, including soil layer (1), nuclear magnetic resonance logging instrument main part (2), outside fixedly connected with installation cover (201) of nuclear magnetic resonance logging instrument main part (2), movable sleeve (202) are installed in the outside rotation of installation cover (201) to the inside of exploration well (101), the inside movable mounting of movable sleeve (202) has shrink pole (203), the outside movable mounting of the nuclear magnetic resonance logging instrument main part (2) at installation cover (201) top has stop collar (208), the top fixedly connected with screw rod (3) of nuclear magnetic resonance logging instrument main part (2), the top rotation of stop collar (208) install with screw rod (3) complex thread bush (301).
2. The permanent magnet structure of an eccentric nmr tool according to claim 1, wherein: the limiting sleeve (208) is fixedly connected with the threaded sleeve (301) through the threaded sleeve (301), and an annular groove (303) matched with the linkage rod (302) is formed in the limiting sleeve (208).
3. The permanent magnet structure of an eccentric nmr logging tool according to claim 1, wherein: the nuclear magnetic resonance logging instrument is characterized in that a limiting spring (209) is sleeved on the outer side of the nuclear magnetic resonance logging instrument body (2), and the limiting spring (209) is located between the limiting sleeve (208) and the mounting sleeve (201).
4. The permanent magnet structure of an eccentric nmr tool according to claim 1, wherein: the movable sleeve (202) and the limiting sleeve (208) are movably mounted through a connecting rod (206), and the bottom of the connecting rod (206) is fixedly connected with a rotating seat (207) matched with the movable sleeve (202).
5. The permanent magnet structure of an eccentric nmr logging tool according to claim 1, wherein: the inner side of the contraction rod (203) is fixedly connected with a sliding block (4), and the sliding block (4) is movably connected with the movable sleeve (202) through a return spring (401).
6. The permanent magnet structure of an eccentric nmr tool according to claim 1, wherein: the installation sleeve (201) and the movable sleeve (202) are rotatably installed through a movable shaft (205), and a sliding wheel (204) matched with the detection well (101) is fixedly connected to the outer side of the contraction rod (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222141813.5U CN218407416U (en) | 2022-08-15 | 2022-08-15 | Permanent magnet structure of eccentric nuclear magnetic resonance logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222141813.5U CN218407416U (en) | 2022-08-15 | 2022-08-15 | Permanent magnet structure of eccentric nuclear magnetic resonance logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218407416U true CN218407416U (en) | 2023-01-31 |
Family
ID=85025605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222141813.5U Expired - Fee Related CN218407416U (en) | 2022-08-15 | 2022-08-15 | Permanent magnet structure of eccentric nuclear magnetic resonance logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218407416U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117449837A (en) * | 2023-12-26 | 2024-01-26 | 河北华勘资环勘测有限公司 | Multifunctional measuring device for geothermal construction |
| CN118167289A (en) * | 2024-05-13 | 2024-06-11 | 四川泓腾能源集团有限公司 | Storage type logging instrument release device |
-
2022
- 2022-08-15 CN CN202222141813.5U patent/CN218407416U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117449837A (en) * | 2023-12-26 | 2024-01-26 | 河北华勘资环勘测有限公司 | Multifunctional measuring device for geothermal construction |
| CN117449837B (en) * | 2023-12-26 | 2024-04-05 | 河北华勘资环勘测有限公司 | Multifunctional measuring device for geothermal construction |
| CN118167289A (en) * | 2024-05-13 | 2024-06-11 | 四川泓腾能源集团有限公司 | Storage type logging instrument release device |
| CN118167289B (en) * | 2024-05-13 | 2024-07-26 | 四川泓腾能源集团有限公司 | Storage type logging instrument release device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218407416U (en) | Permanent magnet structure of eccentric nuclear magnetic resonance logging instrument | |
| CN1186649C (en) | Equipment and method for calculating spin-spin relaxation time distribution | |
| CN1253296A (en) | Equipment and method for obtaining nuclear magnetic resonance measured data during drilling process | |
| CN1253295A (en) | Equipment and method for producing pulse sequence | |
| CN106907980A (en) | Bearing windage detecting instrument | |
| CN217538579U (en) | Reamer for geological exploration | |
| US20140117984A1 (en) | Rotational indexing to optimize sensing volume of a nuclear magnetic resonance logging tool | |
| CN217980827U (en) | Hydrogeology sampling device | |
| CN214276754U (en) | River silt thickness detection device | |
| CN212646119U (en) | Geodetic prospecting geodetic apparatus | |
| CN207851095U (en) | A kind of Hall sensor speed measuring module installing mechanism | |
| CN219809730U (en) | Foldable investigation support | |
| CN2529257Y (en) | Ultrasonic delay effect investigating device | |
| CN206321451U (en) | A kind of geologic prospect soil sampler | |
| CN220623381U (en) | Auxiliary mapping device | |
| CN215218114U (en) | Portable deep soil sampler for geological exploration | |
| CN213600389U (en) | Prospecting probing sampling device | |
| CN116733375B (en) | Drilling device for adjustable multi-angle coal mining | |
| CN216078982U (en) | Anti-loosening structure of base for detection jig | |
| CN217865704U (en) | Portable geophysical prospecting magnetic sample measuring device | |
| CN114813221B (en) | Coastal waters saline and alkaline land geologic survey device | |
| CN218974617U (en) | Geophysical exploration device for marsh and beach transitional zone areas | |
| CN216588488U (en) | Drilling machine for transportation construction | |
| CN215217472U (en) | Coaxiality detection device for wheel of shield machine walking mechanism | |
| CN218669208U (en) | High-strength drilling tool device for geophysical prospecting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |