CN115478838A - Tandem logging device - Google Patents
Tandem logging device Download PDFInfo
- Publication number
- CN115478838A CN115478838A CN202211294395.1A CN202211294395A CN115478838A CN 115478838 A CN115478838 A CN 115478838A CN 202211294395 A CN202211294395 A CN 202211294395A CN 115478838 A CN115478838 A CN 115478838A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- tandem
- sleeves
- logging device
- logging
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 11
- 238000005553 drilling Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 206010029216 Nervousness Diseases 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Images
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
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
-
- 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
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Mechanical Engineering (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention provides a tandem logging device, which comprises two end sleeves and a tandem sleeve connected between the two end sleeves; the two adjacent tandem connection sleeves or the two tandem connection sleeves and the end part sleeve are connected through first connectors, elastic clamping components are arranged at two ends of each first connector, and first through holes matched with the elastic clamping components are formed in the end part sleeves and the cylinder walls of the tandem connection sleeves. The invention can arrange a plurality of logging instruments in the end part sleeves and the serial sleeves, the number of the serial sleeves can be determined according to the arrangement requirements of the logging instruments, the connection between the adjacent serial sleeves and between the end part sleeves and the serial sleeves is realized through the elastic clamping components at the two ends of the first connector, the unlimited extension of the serial logging device can be realized, the simultaneous measurement of a plurality of logging instruments can be conveniently realized, and the underground measurement efficiency can be effectively improved.
Description
Technical Field
The invention relates to the technical field of well logging, in particular to a tandem type well logging device.
Background
The well logging equipment has important significance for petroleum exploration and development, various physical information such as force, heat, nuclear and the like in an underground environment can be effectively collected by applying the well logging equipment and a well logging technology to detect a mine, in the process of developing and drilling an oil-gas field, in order to master underground geological conditions, different types of well logging instruments are required to be put into a well in the process of drilling operation to complete underground well logging, each type of well logging instrument is used for completing one underground detection task, and in order to reduce the well logging time and improve the underground detection efficiency, the various well logging instruments are required to be connected in series for carrying out multiple underground measurements.
In the process of the tandem connection of the logging instrument, the tandem connection firmness is further ensured, and the logging instrument is prevented from falling off along with a drill bit or while-drilling equipment during underground work, so that the working stability and reliability of the logging instrument are reduced.
In view of the foregoing, a need exists for a tandem-type logging device that solves the problems of the prior art.
Disclosure of Invention
The invention aims to provide a tandem logging device to solve the problem of downhole measurement of multiple logging instruments in tandem connection.
To achieve the above object, the present invention provides a tandem well logging apparatus, comprising two end sleeves and a tandem sleeve connected between the two end sleeves; the two adjacent series-connected sleeves or the series-connected sleeves and the end sleeve are connected through first connectors, elastic clamping components are arranged at two ends of each first connector, and first through holes matched with the elastic clamping components are formed in the end sleeve and the wall of the series-connected sleeve.
Preferably, one end of the end sleeve, which is far away from the serial sleeve, is provided with a connecting cap, and the connecting cap is provided with an elastic clamping assembly used for being connected with the end sleeve.
Preferably, the elastic clamping assembly comprises a limiting frame, a fixing plate, an elastic piece and bolt plates, the fixing plate is arranged in the middle of the inside of the limiting frame, the two bolt plates are arranged inside the limiting frame in a sliding mode, and the elastic piece is connected between the fixing plate and the bolt plates.
Preferably, the bolt plate comprises a plate body and a bolt connected to the plate body; the elastic piece is connected on the plate body, the both sides of spacing frame all are equipped with the through-hole two that is used for stretching out the bolt.
Preferably, the tandem logging apparatus further comprises a movable assembly; the movable assembly comprises a lantern ring and a pressing pin, a third through hole for inserting the pressing pin is formed in the wall of the lantern ring, the pressing pin can slide along the axis direction of the third through hole, the lantern ring can slide along the length direction of the end sleeve and the length direction of the series connection sleeve, and the pressing pin is used for inserting the first through hole to remove the matching between the elastic clamping assembly and the first through hole.
Preferably, a pressing pad is arranged on the pressing pin.
Preferably, the connecting cap is provided with a fourth through hole for inserting the pressing pin.
Preferably, the end sleeve and the sleeve that concatenates are the cylinder, all be equipped with the internal thread on the inner wall of end sleeve and the sleeve that concatenates, be equipped with on the outer wall of first connector be used for with interior thread fit's external screw thread.
Preferably, one end of the connecting cap close to the end sleeve is provided with a second connector, and the outer wall of the second connector is provided with an external thread used for being matched with the end sleeve.
Preferably, the inside of tip sleeve and the sleeve that concatenates all is equipped with the protective frame, the inside logging instrument that is equipped with of protective frame.
The technical scheme of the invention has the following beneficial effects:
(1) According to the invention, a plurality of logging instruments can be arranged in the end part sleeves and the serial sleeves, the number of the serial sleeves can be determined according to the setting requirements of the logging instruments, the connection between adjacent serial sleeves and between the end part sleeves and the serial sleeves is realized through the elastic clamping assemblies at the two ends of the first connector, the unlimited extension of the serial logging device can be realized, the simultaneous measurement of a plurality of logging instruments can be conveniently realized, and the underground measurement efficiency can be effectively improved.
(2) According to the invention, the elastic clamping assembly comprises a limiting frame, a fixing plate, an elastic piece and bolt plates, wherein the fixing plate is arranged in the middle of the inner part of the limiting frame, the two bolt plates are arranged on two sides of the inner part of the limiting frame in a sliding mode, the elastic piece is connected between the fixing plate and the bolt plates, the bolt plates are retracted through the compression of the elastic piece, the bolt plates extend outwards through the resetting after the compression of the elastic piece, and therefore the clamping between the bolt plates and the sleeve is realized.
(3) In the invention, the upper connecting cap and the lower connecting cap are both provided with hanging rings which are used for being connected with a traction device or other underground tandem logging devices.
(4) According to the invention, the movable assembly is sleeved on the connecting cap, when the clamping between the elastic clamping assembly and the end sleeve or the tandem sleeve needs to be released, the lantern ring can slide along the length direction of the end sleeve and the tandem sleeve, the pressing pin is used for being inserted into the first through hole, and the matching between the elastic clamping assembly and the first through hole is released after the bolt retracts into the limiting frame, so that the sleeve of the tandem logging device can be conveniently detached.
(5) According to the invention, the pressing pad is arranged on the pressing pin and is made of rubber or silica gel, so that the comfort of manually disassembling the sleeve is improved.
(6) In the invention, in order to improve the connection stability among the end sleeve, the tandem sleeve and the first connector, inner threads are arranged on the inner walls of the end sleeve and the tandem sleeve, and outer threads matched with the inner threads are arranged on the outer wall of the first connector; when the screw-thread fastening targets in place, the bolt in the cylindrical limiting frame just aims at the through hole one on the section of thick bamboo wall to realize the block, realizes dual fastening to effectively improved tandem type logging device's firm in connection nature, thereby made the logging instrument follow the drill bit or along with boring the difficult pine of equipment when carrying out the downhole operation and take off, promoted the stability and the reliability of logging device work.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic diagram of a tandem-type logging apparatus according to an embodiment of the present disclosure;
FIG. 2 is an enlarged detail view of portion A in FIG. 1 according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a portion of a tandem well logging apparatus according to an embodiment of the present application;
FIG. 4 is an enlarged detail view of portion B in FIG. 1 according to an embodiment of the present application;
wherein, 1, tip sleeve, 2, concatenate the sleeve, 3, first connector, 4, elasticity block subassembly, 4.1, spacing frame, 4.2, fixed plate, 4.3, elastic component, 4.4, bolt board, 4.4.1, the plate body, 4.4.2, the bolt, 5, connect the cap, 6, movable assembly, 6.1, the lantern ring, 6.2, press the round pin, 6.3, press the pad, 7, the second connector, 8, the protective frame, 9, logging instrument.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example (b):
referring to fig. 1 to 4, the present embodiment is applied to tandem measurement of a plurality of physical information measuring instruments in an underground environment.
A tandem logging device, see fig. 1, comprising two end sleeves 1 and a tandem sleeve 2 connected between the two end sleeves 1; the inside of tip sleeve 1 and the sleeve 2 of concatenating all is equipped with protective frame 8, protective frame 8 is inside to be equipped with logging instrument 9 for realize multiple physical information's in the underground environment measurement. The length and the quantity of the series-connected sleeves 2 can be set according to the requirements for setting the logging instruments 9, so that the infinite extension of the series-connected logging device is realized, the simultaneous measurement of various logging instruments 9 is realized conveniently, and the underground measurement efficiency can be effectively improved.
The connecting sleeve comprises two adjacent series-connected sleeves 2 or two adjacent series-connected sleeves 2 and end sleeves 1 which are connected through first connecting heads 3, two ends of each first connecting head 3 are respectively embedded into the end sleeves 1 or are arranged inside the series-connected sleeves 2, two ends of each first connecting head 3 are respectively provided with an elastic clamping component 4, and the end sleeves 1 and the cylinder walls of the series-connected sleeves 2 are respectively provided with a first through hole matched with the elastic clamping component 4, so that the connection between the plurality of series-connected sleeves 2 or the series-connected sleeves 2 and the end sleeves 1 can be realized through the clamping of the elastic clamping components 4 and the first through holes in the cylinder walls. During the clamping, the end face of the elastic clamping component 4 is attached to the end face of the protection frame 8, and the protection frame 8 is prevented from shaking inside the end sleeve 1 or the serial sleeve 2.
Referring to fig. 2, the elastic clamping component 4 includes a limiting frame 4.1, a fixing plate 4.2, an elastic element 4.3 and a latch plate 4.4, an installation cavity is formed inside the limiting frame 4.1, the fixing plate 4.2 is arranged in the middle of the installation cavity of the limiting frame 4.1, the two latch plates 4.4 are slidably arranged on two sides of the installation cavity of the limiting frame 4.1, the elastic element 4.3 is connected between the fixing plate 4.2 and the latch plates 4.4, the fixing plate 4.2 provides counter force for the elastic element 4.3, the latch plate 4.4 is retracted by the compression of the elastic element 4.3, and the latch plate 4.4 is extended outwards by the reset after the compression of the elastic element 4.3. In this embodiment, the elastic member 4.3 is a support spring.
In this embodiment, the latch plate 4.4 includes a plate body 4.4.1 and a latch 4.4.2 vertically connected to the plate body 4.4.1; elastic component 4.3 is connected on plate body 4.4.1, the both sides of spacing frame 4.1 all are equipped with through-hole two that are used for stretching out bolt 4.4.2, and bolt 4.4.2 receives elastic component 4.3's effect to insert through-hole one from through-hole two, realizes elasticity block subassembly 4 and tip sleeve 1 or concatenates the joint between the sleeve 2.
One end of the end sleeve 1, which is far away from the sleeve 2 connected in series, is provided with a connecting cap 5, the connecting cap 5 is provided with an elastic clamping component 4 connected with the end sleeve 1, the connection principle is the same as that of the connection device, and the description is omitted. In this embodiment, the connection cap 5 includes an upper connection cap and a lower connection cap, and both the upper connection cap and the lower connection cap are provided with hanging rings for connecting with a traction device (such as a drilling tool and a drilling device) or other underground tandem logging devices.
Referring to fig. 3 and 4, a tandem logging apparatus further includes a movable assembly 6; activity subassembly 6 includes the lantern ring 6.1 and presses round pin 6.2, be equipped with on the rampart of lantern ring 6.1 and be used for inserting three through-holes that press round pin 6.2, press round pin 6.2 can follow the axis direction slip of three through-holes, lantern ring 6.1 can be followed tip sleeve 1 and the length direction slip of concatenating sleeve 2, press round pin 6.2 and be arranged in inserting through-hole one, make bolt 4.4.2 withdraw and relieve the cooperation between elasticity block subassembly 4 and the through-hole one in spacing frame 4.1 after to realize the convenient dismantlement of each sleeve of tandem logging device. In this embodiment, the pressing pins 6.2 are disposed on two sides of the collar 6.1, and are used for pressing the pins 4.4.2 in the first through holes on two sides of the wall of the sleeve.
According to be equipped with on the round pin 6.2 and press pad 6.3, press pad 6.3's material is rubber or silica gel, causes the finger pain when avoiding pressing round pin 6.2, can promote the travelling comfort when the manual work is dismantled the sleeve.
When not using movable assembly 6, can establish movable assembly 6's lantern ring 6.1 cover on connecting cap 5, be equipped with the through-hole four that is used for inserting according to round pin 6.2 on connecting cap 5 for realize movable assembly 6's fixed, lose when avoiding movable assembly 6 not using. In this embodiment, the movable member 6 is detachably provided on the upper connection cap.
In this embodiment, the end sleeve 1 and the tandem sleeve 2 are both cylinders, and in order to improve the connection stability among the end sleeve 1, the tandem sleeve 2, and the first connector 3, inner walls of the end sleeve 1 and the tandem sleeve 2 are both provided with inner threads, and an outer wall of the first connector 3 is provided with outer threads for matching with the inner threads; when the screw-thread fastening targets in place, the bolt 4.4.2 in the cylindrical spacing frame 4.1 just in time aims at the through-hole one on the section of thick bamboo wall and realizes the block, realizes dual fastening, and the laminating of arc plate body 4.4.1 is on spacing frame 4.1's inner wall, and it is spacing to support bolt 4.4.2, realizes the stable connection between the sleeve.
Connect cap 5 one end that is close to tip sleeve 1 and be equipped with second connector 7, in order to promote the stability of being connected between second connector 7 and the tip sleeve 1, be equipped with on the outer wall of second connector 7 be used for with tip sleeve 1 complex external screw thread, when second connector 7 and tip sleeve 1's screw-thread fastening target in place, the bolt 4.4.2 of the elasticity block subassembly 4 that second connector 7 is connected just in time aims at the through-hole one on the tip sleeve 1, realizes dual fastening, realizes the stable connection between connecting cap 5 and the tip sleeve 1.
The connection firmness of the tandem logging device is comprehensively improved through two modes of threaded connection and clamping connection, so that the logging instrument is not easy to loosen when the logging instrument works underground along with a drill bit or while drilling equipment.
The use method of the tandem logging device comprises the following steps:
the method comprises the following steps: a measuring instrument 9 required for measuring the physical information of the underground environment is placed in the protective frame 8, and the protective frame 8 is placed in the end sleeve 1 or the tandem sleeve 2;
step two: the movable assembly 6 is fixed on the connecting cap 5, the second connector 7 of the connecting cap 5 is in threaded connection with the end sleeve 1, and when the second connector 7 and the end sleeve 1 are fastened in place through threads, the elastic clamping assembly 4 is used for clamping the connecting cap 5 and the end sleeve 1;
step three: a first connecting head 3 is screwed into one end of the end part sleeve 1 far away from the connecting cap 5, and when the first connecting head 3 and the thread of the end part sleeve 1 are fastened in place, a bolt 4.4.2 of an elastic clamping component 4 on the first connecting head 3 is clamped with a through hole I on the cylinder wall of the end part sleeve 1;
step four: the fixed connection between the series sleeve 2 and the end sleeve 1 and the fixed connection between the series sleeve 2 and the series sleeve 2 are realized according to the steps;
step five: putting the tandem logging device underground through traction equipment to measure physical information;
step six: after the measurement is completed, the tandem logging device is disassembled: the pressing pin 6.2 of the movable assembly 6 is pulled out from the through hole IV in the connecting cap 5, the lantern ring 6.1 slides along the length direction of the tandem logging device, when the lantern ring 6.1 moves to the position of the through hole I, the pressing pin 6.2 is pressed down, the bolt 4.4.2 is extruded out from the through hole I and retracts into the limiting frame 4.1, the end sleeve 1 or the tandem sleeve 2 is rotated, threaded connection is removed, and disassembly can be achieved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A tandem logging device, comprising two end sleeves (1) and a tandem sleeve (2) connected between the two end sleeves (1); two adjacent concatenate between the sleeve (2) or concatenate between sleeve (2) and tip sleeve (1) and all be connected through first connector (3), the both ends of first connector (3) all are equipped with elasticity block subassembly (4), all be equipped with on tip sleeve (1) and the section of thick bamboo wall of concatenating sleeve (2) be used for with elasticity block subassembly (4) complex through-hole one.
2. A tandem logging device according to claim 1, wherein the end of the end sleeve (1) remote from the tandem sleeve (2) is provided with a connection cap (5), and the connection cap (5) is provided with a resilient snap-in assembly (4) for connection with the end sleeve (1).
3. The tandem logging device of claim 1 or 2, wherein the elastic clamping assembly (4) comprises a limiting frame (4.1), a fixing plate (4.2), an elastic piece (4.3) and a bolt plate (4.4), the fixing plate (4.2) is arranged in the middle of the inside of the limiting frame (4.1), the two bolt plates (4.4) are arranged inside the limiting frame (4.1) in a sliding manner, and the elastic piece (4.3) is connected between the fixing plate (4.2) and the bolt plates (4.4).
4. A tandem logging device according to claim 3, wherein said latch plate (4.4) comprises a plate body (4.4.1) and a latch (4.4.2) connected to the plate body (4.4.1); the elastic piece (4.3) is connected to the plate body (4.4.1), and two sides of the limiting frame (4.1) are provided with second through holes used for extending out the bolts (4.4.2).
5. A tandem logging device according to claim 4, further comprising a movable assembly (6); the movable assembly (6) comprises a lantern ring (6.1) and a pressing pin (6.2), a third through hole for inserting the pressing pin (6.2) is formed in the wall of the lantern ring (6.1), the pressing pin (6.2) can slide along the axis direction of the third through hole, the lantern ring (6.1) can slide along the length direction of the end sleeve (1) and the tandem sleeve (2), and the pressing pin (6.2) is used for inserting the first through hole and removing the matching between the elastic clamping assembly (4) and the first through hole.
6. A tandem logging device according to claim 5, wherein the press pin (6.2) is provided with a press pad (6.3).
7. The tandem logging device of claim 5, wherein the connection cap (5) is provided with a fourth through hole for inserting a pressing pin (6.2).
8. A tandem logging device according to claim 2, wherein the end sleeve (1) and the tandem sleeve (2) are both cylindrical, inner threads are provided on the inner walls of the end sleeve (1) and the tandem sleeve (2), and outer threads for mating with the inner threads are provided on the outer wall of the first connector (3).
9. A tandem logging device according to claim 8, wherein a second connector (7) is arranged at one end of the connection cap (5) close to the end sleeve (1), and an external thread for cooperating with the end sleeve (1) is arranged on the outer wall of the second connector (7).
10. A tandem logging device according to claim 1, wherein both the end sleeve (1) and the tandem sleeve (2) are provided with a protective frame (8) inside, and the protective frame (8) is provided with a logging instrument (9) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211294395.1A CN115478838A (en) | 2022-10-21 | 2022-10-21 | Tandem logging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211294395.1A CN115478838A (en) | 2022-10-21 | 2022-10-21 | Tandem logging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115478838A true CN115478838A (en) | 2022-12-16 |
Family
ID=84395454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211294395.1A Pending CN115478838A (en) | 2022-10-21 | 2022-10-21 | Tandem logging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115478838A (en) |
-
2022
- 2022-10-21 CN CN202211294395.1A patent/CN115478838A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206657906U (en) | A kind of USB fixing devices for being easy to clamp | |
| CN208688849U (en) | A kind of New Rock sampler | |
| CN108168488A (en) | A kind of detection device of contact drilling quality | |
| CN218206665U (en) | Tandem logging device | |
| CN115478838A (en) | Tandem logging device | |
| CN206399338U (en) | Hole depth measuring mechanism | |
| CN201486548U (en) | Short section connecting structure of measurement-while-drilling instrument | |
| CN104475822B (en) | Support drill jig structure for drilling double lug piece part | |
| CN208399261U (en) | A kind of optical fiber production rupture strength detection device | |
| CN212808644U (en) | Fixing device for geophone for monitoring microseism | |
| CN217080386U (en) | Push-leaning type comprehensive logging instrument | |
| CN111706314B (en) | Gyro inclinometer | |
| CN210598884U (en) | Drill bit in geotechnical engineering investigation drilling equipment | |
| CN210049891U (en) | Telescopic probe lead printing tool | |
| CN207689050U (en) | A kind of sensor module | |
| CN210622710U (en) | Combined rock drill | |
| CN209927041U (en) | Detachable portable measuring tool | |
| CN210077762U (en) | Connect reliable orthopedics with boring bone drill chuck | |
| CN207373103U (en) | A kind of push rod of the freely adjustable length of Mine pit survey | |
| CN210918886U (en) | Percussion bit of geological exploration drilling machine | |
| CN210468683U (en) | Waterproof dust keeper of cable for logging | |
| CN215266961U (en) | Detachable double-end USB wall penetrating base | |
| CN214161508U (en) | Underwater drilling positioning mechanism | |
| CN220355100U (en) | Anti-seismic accelerometer | |
| CN209067255U (en) | A kind of anchor pole protruded length positioning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |