CN115288664A - Modular assembly type near-bit measuring instrument - Google Patents
Modular assembly type near-bit measuring instrument Download PDFInfo
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- CN115288664A CN115288664A CN202211014781.0A CN202211014781A CN115288664A CN 115288664 A CN115288664 A CN 115288664A CN 202211014781 A CN202211014781 A CN 202211014781A CN 115288664 A CN115288664 A CN 115288664A
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- 238000005259 measurement Methods 0.000 claims abstract description 40
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000008054 signal transmission Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 12
- 238000004806 packaging method and process Methods 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 9
- 238000005538 encapsulation Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 13
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 238000012937 correction Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001915 proofreading effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
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- 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
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- 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
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- 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
- E21B47/017—Protecting measuring instruments
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- 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)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a modular assembly type near-bit measuring instrument, which belongs to the technical field of near-bit measurement and comprises an installation main body, a fixed outer sleeve and a power supply base, wherein the installation main body comprises a top seat, the bottom of the top seat is fixedly connected with a fixed clamping seat, the top of the top seat is fixedly connected with a drill rod connecting seat, a plurality of side slots are formed in a side wall array of the fixed clamping seat, a plurality of measuring modules are arranged in each side slot, the measuring sensors are conveniently protected through a plurality of independently packaged measuring modules in the measuring instrument, the plurality of measuring modules are used for synchronous measurement, the measuring capacity of the measuring instrument is conveniently adjusted through the modular measuring modules, the comparison and correction of data can be realized through the plurality of measuring modules with the same function, the normal function can be still kept when one of the measuring instruments fails, and the economic loss of shutdown caused by the problem of the measuring instrument is effectively reduced.
Description
Technical Field
The invention relates to the technical field of near-bit measurement, in particular to a modular assembly type near-bit measuring instrument.
Background
Along with the increase of the well depth of oil and gas drilling, particularly the development of various branch wells and horizontal wells, the accurate measurement while drilling technology of engineering parameters such as drilling pressure, torque and the like and temperature deviation angles at the position close to a drill bit is a precondition and guarantee of a risk-free drilling technology. The ultra-short near bit while drilling can be impacted and extruded by the rock wall when drilling, the abrasion of the drill bit can be accelerated when the drill bit is continuously drilled, and meanwhile, the drilling depth and position also need to be mastered when drilling.
When oil and gas drilling is carried out, various measuring sensors are required to be used for measuring different data, the types of the measuring sensors used according to different requirements of underground environments are different, the existing measuring instrument is fixed in structure and troublesome to install, is inconvenient to use according to the measured data in a combined mode, needs to be stopped for maintenance when underground damage occurs, and causes huge economic loss, and therefore the modularized assembled near-bit measuring instrument is provided.
Disclosure of Invention
The invention aims to provide a modular assembly type near-bit measuring instrument, which can realize that a modular measuring module is convenient to adjust the measuring capacity of the measuring instrument, can realize the comparison and correction of data through the arrangement of a plurality of measuring modules with the same function, can still keep normal function when one of the measuring modules fails, and effectively reduces the economic loss of shutdown caused by the problem of the measuring instrument.
In order to solve the problems, the invention adopts the following technical scheme:
a modular assembly type near-bit measuring instrument comprises,
the installation main body comprises a top seat, the bottom of the top seat is fixedly connected with a fixing clamping seat, the top of the top seat is fixedly connected with a drill rod connecting seat, a plurality of side slots are formed in the side wall array of the fixing clamping seat, a plurality of measuring modules are arranged in each side slot, a wireless short transmission module is arranged in the center of the interior of the top seat, and the wireless short transmission module is electrically connected with the signal output ends of the measuring modules; and the number of the first and second groups,
the fixing outer sleeve comprises a sleeve main body, the sleeve main body is sleeved outside the fixing clamping seat, and the side wall of the sleeve main body is provided with detection holes corresponding to the positions of the plurality of measuring modules; and the number of the first and second groups,
the power supply base comprises a base shell, the upper end of the base shell is abutted to the bottom of the fixed clamping seat, a drill rod connecting plug is arranged at the bottom of the base shell, a storage battery is arranged in the base shell, and the storage battery is electrically connected with the plurality of measuring modules.
As a preferred scheme of the present invention, the measurement module includes a package housing, a measurement sensor chip is embedded in the package housing, one side of the package housing, which is away from the center of the fixed card seat, is provided with measurement probes, and the measurement probes are arranged in one-to-one correspondence with the detection holes.
As a preferred embodiment of the present invention, a wire channel is disposed at the center of the fixing card holder, a signal transmission line is disposed in the wire channel, an output end of the signal transmission line is electrically connected to the wireless short transmission module, input ports are disposed on the side wall of the signal transmission line corresponding to the installation positions of the plurality of measurement modules, a signal output head is disposed on one side of the package housing close to the center of the fixing card holder, and the signal output head is electrically connected to the input port of the signal transmission line at the corresponding position.
As a preferable scheme of the invention, the center of the upper end of the drill rod connecting plug is fixedly connected with a connecting screw rod, the bottom of the inner wall of the wire channel is provided with internal threads, and the connecting screw rod penetrates through the center of the base shell and then is in threaded connection with the bottom of the fixed clamping seat.
As a preferred scheme of the present invention, an electricity connection socket is disposed at an upper end of the base housing, and the electricity connection socket is electrically connected to the storage battery, an electrically conductive support block is fixedly connected to the upper end of the electricity connection socket, the upper end of the electrically conductive support block is inserted into the bottom of the side slot, the upper end of the electricity connection socket is electrically connected to the bottom of the electrically conductive support block, and the upper end of the electrically conductive support block is electrically connected to the plurality of measurement modules.
As a preferred scheme of the invention, the conductive supporting block comprises a supporting sleeve and a supporting piston, a sealing rubber sleeve is arranged on the outer wall of the supporting piston, the supporting piston is inserted into the supporting sleeve, an electric connection plug is arranged at the bottom of the supporting piston, a conductive socket matched with the electric connection plug is arranged at the upper end of the electric connection socket, a parallel conductive contact piece is arranged at the upper end of the supporting sleeve, and the parallel conductive contact piece is electrically connected with the electric connection plug through a spiral lead in an inner cavity of the supporting sleeve.
As a preferable scheme of the present invention, the upper and lower ends of the package housing are provided with measurement power connection members, the measurement sensor chips in the package housing are connected in parallel by the measurement power connection members, and the measurement power connection member at the lowermost end is in contact with the parallel conductive contact piece for conduction.
As a preferable scheme of the invention, the outer wall of the packaging shell is fixedly connected with a compression rubber block, and one side of the compression rubber block, which is far away from the side slot, is attached to the inner wall of the sleeve main body.
As a preferred scheme of the invention, a replacement filling block is also inserted into the side slot, the replacement filling block is a cavity metal block with the same shape as the package shell, the filling block power connection seats at two ends of the replacement filling block have the same power connection mode as the measurement power connection pieces at two ends of the package shell, a rubber sealing insertion block is arranged at the position, corresponding to the detection hole, of the side wall of the replacement filling block, and the rubber sealing insertion block is matched with the detection hole.
As a preferred scheme of the invention, sealing gaskets are respectively arranged at two ends of the sleeve main body corresponding to the bottom of the top seat and the upper end of the base shell, and a rubber lining is arranged on the inner wall of the sleeve main body.
Compared with the prior art, the invention has the advantages that:
this scheme passes through a plurality of independent encapsulated measurement module in the measuring instrument, be convenient for to the protection of measuring sensor, and a plurality of measurement module synchronous measurement, the measuring result transmits for wireless short pass module through signal transmission line, utilize wireless short pass module wireless transmission to drill bit control terminal, be convenient for to the monitoring of drill bit behavior, the measuring capability of measuring instrument is convenient for adjust to modular measurement module, and can realize the contrast proofreading of data through the measurement module setting of a plurality of same functions, and can still keep normal function when one of them trouble became invalid, the economic loss because measuring instrument problem leads to shutting down has effectively been reduced.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front sectional view of the present invention.
Fig. 3 is a top sectional view of the present invention.
Fig. 4 is a side cross-sectional view of a conductive support block of the present invention.
FIG. 5 is a side cross-sectional view of a measurement module of the present invention.
FIG. 6 is a circuit diagram of the connection between the measurement module and the power socket of the present invention.
The reference numbers in the figures illustrate:
100. mounting the main body; 101. a top seat; 102. fixing the card holder; 103. side slot; 104. a wireless short transmission module; 105. a drill rod connecting seat; 106. a wire passage; 107. a signal transmission line; 200. fixing the outer sleeve; 201. a sleeve body; 202. a detection hole; 203. a rubber lining; 204. replacing the filler blocks; 205. the filling block is connected with the electric base; 300. a power supply base; 301. a base housing; 302. a storage battery; 303. a power connection socket; 304. the drill rod is connected with the plug; 305. connecting a screw rod; 306. a conductive support block; 306a, a support sleeve; 306b, a support piston; 306c, a power plug; 306d, connecting the conductive contact pieces in parallel; 400. a measurement module; 401. a package housing; 402. a signal output head; 403. measuring the sensor chip; 404. measuring the power connection piece; 405. a measuring probe; 406. and pressing the rubber block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are merely exemplary embodiments, rather than exemplary embodiments, and that all other embodiments may be devised by those skilled in the art without departing from the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-6, a modular assembly near-bit measuring instrument includes,
the installation main body 100 comprises a top seat 101, the bottom of the top seat 101 is fixedly connected with a fixed clamping seat 102, the top of the top seat 101 is fixedly connected with a drill rod connecting seat 105, a plurality of side slots 103 are formed in the side wall array of the fixed clamping seat 102, a plurality of measuring modules 400 are arranged in each side slot 103, a wireless short transmission module 104 is arranged in the center of the inside of the top seat 101, and the wireless short transmission module 104 is electrically connected with the signal output ends of the measuring modules 400; and the number of the first and second groups,
the fixing outer sleeve 200, the fixing outer sleeve 200 includes a sleeve main body 201, the sleeve main body 201 is sleeved outside the fixing clamping seat 102, and the side wall of the sleeve main body 201 is provided with detection holes 202 corresponding to the positions of the plurality of measuring modules 400; and (c) a second step of,
the power supply base 300 comprises a base shell 301, the upper end of the base shell 301 is abutted to the bottom of the fixed clamping seat 102, a drill rod connecting plug 304 is arranged at the bottom of the base shell 301, a storage battery 302 is arranged in the base shell 301, and the storage battery 302 is electrically connected with the plurality of measuring modules 400.
Specifically, the measurement module 400 includes a package shell 401, a measurement sensor chip 403 is embedded in the package shell 401, a measurement probe 405 is disposed on one side of the package shell 401 away from the center of the fixed card seat 102, and the measurement probe 405 and the detection holes 202 are disposed in a one-to-one correspondence manner; through a plurality of measuring sensor chips 403 who sets up, be convenient for realize different measurement function, through the measuring probe 405 who sets up, measuring probe 405 passes through probing hole 202 and external contact and adds the survey, guarantees measurement function's normal use.
Specifically, a wire channel 106 is formed in the center of the fixed card holder 102, a signal transmission line 107 is arranged in the wire channel 106, an output end of the signal transmission line 107 is electrically connected with the wireless short transmission module 104, input ports are formed in the side wall of the signal transmission line 107 corresponding to the installation positions of the plurality of measurement modules 400, a signal output head 402 is arranged on one side of the packaging shell 401 close to the center of the fixed card holder 102, and the signal output head 402 is electrically connected with the input port of the signal transmission line 107 at the corresponding position; through the wire channel 106 who sets up, the setting of the signal transmission line 107 of being convenient for, signal transmission line 107 can be connected with the signal output part of a plurality of measuring module 400, receives the measured data signal of telecommunication, simple structure, convenient to use.
Specifically, the center of the upper end of the drill rod connecting plug 304 is fixedly connected with a connecting screw 305, the bottom of the inner wall of the wire channel 106 is provided with internal threads, and the connecting screw 305 penetrates through the center of the base shell 301 and then is in threaded connection with the bottom of the fixed clamping seat 102; through the connecting screw 305, the connecting screw 305 can be matched with the thread at the bottom of the fixed clamping seat 102 to tighten and fix the whole device, so that the device is convenient to assemble.
Specifically, the upper end of the base shell 301 is provided with an electric connection socket 303, the electric connection socket 303 is electrically connected with the storage battery 302, the upper end of the electric connection socket 303 is fixedly connected with a conductive supporting block 306, the upper end of the conductive supporting block 306 is inserted into the bottom of the side slot 103, the upper end of the electric connection socket 303 is electrically connected with the bottom of the conductive supporting block 306, and the upper end of the conductive supporting block 306 is electrically connected with the plurality of measurement modules 400; through the electric socket 303 that connects that sets up, battery 302 output electric energy, through the electrically conductive supporting shoe 306 that sets up, connecting screw 305 and measurement module 400 cooperation, for measurement module 400 switch on power.
Specifically, the conductive supporting block 306 comprises a supporting sleeve 306a and a supporting piston 306b, a sealing rubber sleeve is arranged on the outer wall of the supporting piston 306b, the supporting piston 306b is inserted into the supporting sleeve 306a, an electric connection plug 306c is arranged at the bottom of the supporting piston 306b, a conductive socket matched with the electric connection plug 306c is arranged at the upper end of the electric connection socket 303, a parallel conductive contact piece 306d is arranged at the upper end of the supporting sleeve 306a, and the parallel conductive contact piece 306d is electrically connected with the electric connection plug 306c through a spiral lead in the inner cavity of the supporting sleeve 306 a; through the supporting sleeve 306a and the supporting piston 306b, the supporting sleeve 306a and the supporting piston 306b are respectively contacted with the power connection socket 303 and the measuring module 400 through the power connection plug 306c and the parallel conductive contact piece 306d to realize electric conduction, and meanwhile, elastic support is realized through the sealing cylinder structure of the supporting sleeve 306a and the supporting piston 306b, so that the plurality of measuring modules 400 are pressed and fixed in the side slot 103.
Specifically, the upper and lower ends of the package housing 401 are provided with the measurement connecting pieces 404, the measurement sensor chips 403 in the package housing 401 are connected in parallel through the measurement connecting pieces 404, and the measurement connecting pieces 404 at the lowermost end are in contact with the parallel conductive contact piece 306d for conduction; through the arranged measuring electric connection piece 404, the electric connection piece 404 is measured between the adjacent measuring modules 400 and is inserted and connected end to be conductive, waterproof sealant is coated on the contact surfaces between the adjacent measuring modules 400 and the contact surfaces of the conductive supporting blocks 306, so that the multiple measuring sensor chips 403 can be connected in parallel conveniently, the sealing and waterproof performance of the internal electric connection position of the device is kept, and the phenomenon that drilling fluid enters to cause short circuit failure of an internal circuit is avoided.
Specifically, the outer wall of the package housing 401 is fixedly connected with a compression rubber block 406, and one side of the compression rubber block 406 away from the side slot 103 is attached to the inner wall of the sleeve main body 201; through a plurality of rubber blocks 406 that compress tightly that set up, be convenient for press the fastening in side slot 103 and sleeve main part 201 to encapsulation shell 401 to have good water-proof effects.
Specifically, a replacement filling block 204 is also inserted into the side slot 103, the replacement filling block 204 is a cavity metal block with the same shape as the package housing 401, the filling block electrical connection seats 205 at two ends of the replacement filling block 204 are the same as the measurement electrical connection pieces 404 at two ends of the package housing 401, rubber sealing insertion blocks are arranged on the side wall of the replacement filling block 204 corresponding to the detection holes 202, and the rubber sealing insertion blocks are matched with the detection holes 202; through the replacement filling block 204, when a plurality of measuring modules 400 are not needed to be used, the empty measuring modules 400 can be filled in the mounting positions of the measuring modules 204, the electric connection of the measuring modules 400 is ensured, and the unused detecting holes 202 can be blocked by the rubber sealing block.
Specifically, two ends of the sleeve main body 201, which correspond to the bottom of the top seat 101 and the upper end of the base shell 301, are provided with sealing gaskets, and the inner wall of the sleeve main body 201 is provided with a rubber lining 203; the integrity and sealing of the device is improved by the provision of a sealing gasket and rubber lining 203.
The working principle is as follows: when the device is used, near-bit measuring sensors are packaged through a packaging shell 401 to form a modularized measuring module 400, the measuring modules 400 corresponding to different measuring sensor functions are sequentially assembled in a side slot 103 according to requirements, a fixing outer sleeve 200 is sleeved on the outer wall of a fixing clamping seat 102 after the assembly is completed, a plurality of measuring modules 400 are fixed, a base shell 301 is installed, a conductive supporting block 306 is in contact with the measuring modules 400 to conduct electricity to supply power for the measuring modules 400, a drill rod connecting plug 304 is fixed with the bottom of the fixing clamping seat 102 through a connecting screw 305, the installation main body 100, the fixing outer sleeve 200 and the power supply base 300 are connected into a complete measuring instrument, the installation main body 100, the fixing outer sleeve 200 and the power supply base 300 are arranged close to a bit during use, the protection of the measuring sensors is facilitated through the plurality of independently packaged measuring modules 400 in the measuring instrument, the plurality of measuring modules 400 are synchronously measured, a measuring result is transmitted to a wireless short transmission module 104 through a signal transmission line 107, the wireless short transmission module 104 is wirelessly transmitted to a bit control terminal, the monitoring of the working condition of the bit is facilitated, the modularized measuring module 400 is convenient for adjusting the measuring instrument, the measuring ability of the same measuring instrument, and the economic calibration of the measuring instrument can be realized through the arrangement of the multiple measuring instruments, and the fault of the measuring instruments, and the measuring instruments, the problem that the normal measurement loss can be reduced when the fault of the measuring instrument is effectively reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (10)
1. A modular assembly type near-bit measuring instrument is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the mounting main body (100) comprises a top seat (101), the bottom of the top seat (101) is fixedly connected with a fixed clamping seat (102), the top of the top seat (101) is fixedly connected with a drill rod connecting seat (105), a plurality of side slots (103) are formed in the side wall array of the fixed clamping seat (102), a plurality of measuring modules (400) are arranged in each side slot (103), a wireless short transmission module (104) is arranged in the center of the inside of the top seat (101), and the wireless short transmission module (104) is electrically connected with the signal output ends of the measuring modules (400); and the number of the first and second groups,
the fixing outer sleeve (200) comprises a sleeve main body (201), the sleeve main body (201) is sleeved outside the fixing clamping seat (102), and detection holes (202) are formed in the side wall of the sleeve main body (201) corresponding to the positions of the plurality of measuring modules (400); and (c) a second step of,
the power supply base (300) comprises a base shell (301), the upper end of the base shell (301) is abutted to the bottom of the fixed clamping seat (102), a drill rod connecting plug (304) is arranged at the bottom of the base shell (301), a storage battery (302) is arranged in the base shell (301), and the storage battery (302) is electrically connected with the plurality of measuring modules (400).
2. A modular assembled near-bit measuring instrument according to claim 1, wherein: the measuring module (400) comprises a packaging shell (401), a measuring sensor chip (403) is buried in the packaging shell (401), a measuring probe (405) is arranged on one side, away from the center of the fixed clamping seat (102), of the packaging shell (401), and the measuring probe (405) and the detecting hole (202) are arranged in a one-to-one correspondence mode.
3. A method as claimed in claim 2 a modular assembly-type near-bit measuring instrument, the method is characterized in that: the wire channel (106) is arranged at the center of the fixed card holder (102), a signal transmission line (107) is arranged in the wire channel (106), the output end of the signal transmission line (107) is electrically connected with the wireless short transmission module (104), the installation positions of the side walls of the signal transmission line (107) corresponding to the plurality of measuring modules (400) are provided with input ports, a signal output head (402) is arranged on one side, close to the center of the fixed card holder (102), of the packaging shell (401), and the signal output head (402) is electrically connected with the input ports of the signal transmission line (107) at the corresponding position.
4. A method as claimed in claim 3 a modular assembly-type near-bit measuring instrument, the method is characterized in that: the center of the upper end of the drill rod connecting plug (304) is fixedly connected with a connecting screw rod (305), the bottom of the inner wall of the wire channel (106) is provided with internal threads, and the connecting screw rod (305) penetrates through the center of the base shell (301) and then is in threaded connection with the bottom of the fixed clamping seat (102).
5. A method as claimed in claim 2 a modular assembly-type near-bit measuring instrument, the method is characterized in that: the power connection device is characterized in that a power connection socket (303) is arranged at the upper end of the base shell (301), the power connection socket (303) is electrically connected with the storage battery (302), a conductive supporting block (306) is fixedly connected to the upper end of the power connection socket (303), the upper end of the conductive supporting block (306) is inserted into the bottom of the side slot (103), the upper end of the power connection socket (303) is electrically connected with the bottom of the conductive supporting block (306), and the upper end of the conductive supporting block (306) is electrically connected with the plurality of measuring modules (400).
6. A process according to claim 5 a modular assembly-type near-bit measuring instrument, the method is characterized in that: the conductive supporting block (306) comprises a supporting sleeve (306 a) and a supporting piston (306 b), a sealing rubber sleeve is arranged on the outer wall of the supporting piston (306 b), the supporting piston (306 b) is inserted into the supporting sleeve (306 a), an electric connection plug (306 c) is arranged at the bottom of the supporting piston (306 b), a conductive socket matched with the electric connection plug (306 c) is arranged at the upper end of the electric connection socket (303), a parallel conductive contact piece (306 d) is arranged at the upper end of the supporting sleeve (306 a), and the parallel conductive contact piece (306 d) is electrically connected with the electric connection plug (306 c) through a spiral lead in the inner cavity of the supporting sleeve (306 a).
7. A modular assembly near-bit measuring instrument according to claim 6, the method is characterized in that: the upper end and the lower end of the packaging shell (401) are provided with a measuring electric connection piece (404), the measuring sensor chip (403) in the packaging shell (401) is connected in parallel through the measuring electric connection piece (404), and the measuring electric connection piece (404) at the lowest end is in contact with the parallel conductive contact piece (306 d) to be conductive.
8. A modular assembly near-bit measuring instrument according to claim 2, the method is characterized in that: the outer wall fixedly connected with of encapsulation shell (401) compresses tightly rubber block (406), and compresses tightly one side that side slot (103) were kept away from in rubber block (406) and the inner wall of sleeve main part (201) and laminates mutually.
9. A method as claimed in claim 1 a modular assembly-type near-bit measuring instrument, the method is characterized in that: still insert in side slot (103) and be equipped with replacement filling block (204), replacement filling block (204) are the appearance and the same cavity metal block of encapsulation shell (401), and the both ends filling block of replacement filling block (204) connects electrical socket (205), and the both ends filling block connects electrical socket (205) and measurement electrical connector (404) at encapsulation shell (401) both ends and connects the electrical mode the same, the lateral wall of replacement filling block (204) corresponds detection hole (202) position and is provided with the sealed inserted block of rubber, and the sealed inserted block of rubber and detection hole (202) phase-match.
10. A modular assembly near-bit measuring instrument according to claim 1, the method is characterized in that: the both ends of sleeve main part (201) correspond footstock (101) bottom and base shell (301) upper end and all are provided with seal ring, and the inner wall of sleeve main part (201) is provided with rubber inside lining (203).
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| CN202211014781.0A CN115288664B (en) | 2022-08-23 | 2022-08-23 | Modular assembly type near-bit measuring instrument |
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Denomination of invention: A modular assembled near drill bit measuring instrument Effective date of registration: 20231115 Granted publication date: 20230307 Pledgee: China Construction Bank Corporation Dongying nonggao District sub branch Pledgor: Shandong Wan Yang Petroleum Technology Co.,Ltd. Registration number: Y2023980065946 |
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