CN114412454A

CN114412454A - Oil drilling is with logging instrument while drilling with high-strength antidetonation function

Info

Publication number: CN114412454A
Application number: CN202210132292.9A
Authority: CN
Inventors: 王静凯
Original assignee: Individual
Current assignee: Shandong Scheer Geological Exploration Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-04-29
Anticipated expiration: 2042-02-14
Also published as: CN114412454B

Abstract

The invention relates to the field of logging while drilling, in particular to a logging while drilling instrument with a high-strength anti-seismic function for petroleum drilling. The technical problem to be solved is as follows: the damping effect of the rubber damping ring is reduced, so that the logging instrument is connected with the drill collar in a hard mode, vibration on the drill collar is transmitted to the logging instrument completely, the service life of the logging instrument is shortened, and the logging instrument is damaged even in the drilling process. The technical scheme of the invention is as follows: a logging-while-drilling instrument with high-strength anti-seismic function for petroleum drilling comprises an inner drill collar, a logging instrument, a circumferential damping mechanism and a hydraulic damping mechanism, wherein the circumferential damping mechanism is arranged between the outer side surfaces of the inner drill collar and the logging instrument, and the hydraulic damping mechanism for absorbing torsional impact is arranged on the lower side of the logging instrument. The hydraulic shock absorption device has the advantages that the circumferential shock absorption mechanism is arranged, so that the damage of the logging instrument due to collision with the inner drill collar is avoided, and the hydraulic shock absorption mechanism is arranged, so that the damage of the logging instrument is avoided.

Description

Oil drilling is with logging instrument while drilling with high-strength antidetonation function

Technical Field

The invention relates to the field of logging while drilling, in particular to a logging while drilling instrument with a high-strength anti-seismic function for petroleum drilling.

Background

The logging while drilling technology utilizes the measured drilling parameters and stratum parameters to timely adjust the track of the drill bit to drill along the direction of a target layer, because the stratum parameters obtained by logging while drilling are the stratum parameters just drilled and are closest to the original state of the stratum, the logging while drilling instrument is placed in a drill collar to measure the drilling parameters such as drilling pressure, torque, rotating speed, annular pressure, temperature, chemical components and the like besides conventional logging and certain imaging logging of resistivity, sound velocity, neutron porosity, density and the like.

The logging-while-drilling instrument is arranged in the drill collar by using the rubber ring damping ring, the damping effect of the rubber damping ring is reduced under the environment of long-time high temperature and vibration, and the good damping effect cannot be achieved under the complex underground working condition, so that the logging-while-drilling instrument is connected with the drill collar in a hard manner, the vibration on the drill collar is completely transmitted to the logging instrument, the service life of the logging instrument is shortened, and the logging instrument is damaged even in the drilling process.

Therefore, in order to overcome the defects in the prior art, a drilling tool for petroleum drilling with a high-strength anti-seismic function is needed.

Disclosure of Invention

In order to overcome the defects that the damping effect of the rubber damping ring is reduced, the logging instrument is hard connected with the drill collar, so that the vibration on the drill collar is completely transmitted to the logging instrument, the service life of the logging instrument is shortened, and the logging instrument is damaged even in the drilling process, the technical problem to be solved is as follows: provides a logging-while-drilling instrument with high-strength and anti-seismic functions for petroleum drilling.

The technical scheme of the invention is as follows: the logging-while-drilling instrument comprises an outer drill collar, an inner drill collar, a logging instrument, a circumferential damping mechanism, a hydraulic damping mechanism and an impact prevention mechanism, wherein the inner drill collar is arranged in the middle of the outer drill collar, the logging instrument is installed in a cavity formed by the outer drill collar and the inner drill collar, the circumferential damping mechanism is arranged between the logging instrument and the outer side surface of the inner drill collar and used for arranging the hydraulic damping mechanism for absorbing torsional impact at the lower side of the logging instrument, the impact prevention mechanism is arranged at the lower side of the hydraulic damping mechanism, and the impact prevention mechanism is mechanically matched with the hydraulic damping mechanism.

Furthermore, the circumferential damping mechanism comprises a damping rubber ring, an annular plate, a first fixed shell, a sliding block, a first spring, a spring piece, a first guide plate, a connecting rod, a first fixed seat, a first fixed ring, a first limit part and a speed reduction component, wherein the upper outer side surface and the lower outer side surface of the logging instrument are respectively fixedly connected with the damping rubber ring for absorbing impact force, the outer annular surface of the damping rubber ring is arranged in a protruding manner, the inner annular surface is made of hard material, the annular plate is arranged at the lower side of the logging instrument, a plurality of first fixed shells are fixedly connected to the upper side surface of the annular plate at equal intervals in the circumferential direction, the sliding block is connected in the first fixed shells in a sliding manner, the upper side surface of the sliding block is contacted with the logging instrument, the first spring is arranged in the first fixed shells, two ends of the first spring are respectively fixedly connected to the first fixed shells and the sliding block, a plurality of spring pieces are arranged at equal intervals in the circumferential direction on the outer side surface of the inner drill collar, the lower ends of the spring pieces are hinged with the outer side surface of the inner drill collar, a plurality of groups of first guide plates are fixedly connected to the upper part of the outer side surface of the inner drill collar at equal intervals in the circumferential direction, two groups of first guide plates are arranged, a sliding groove is formed in the inner side surface of each group of first guide plates, the upper end of a spring piece is rotatably connected with a rotating shaft, sliders are respectively arranged at the left end and the right end of the rotating shaft of the spring piece, the outer side surface of the spring piece is fixedly connected with the inner side surface of a logging instrument, the spring piece is hinged to a connecting rod through the rotating shaft, teeth are arranged in the middle of the outer side surface of the connecting rod, a plurality of first fixing seats for guiding the connecting rod are fixedly connected to the outer side surface of the inner drill collar at equal intervals, a square through hole is formed in the middle of each first fixing seat, the connecting rod penetrates through the square through hole of the adjacent first fixing seat, a first fixing ring is fixedly connected to the upper part of the outer side surface of the inner drill collar, the first fixing ring is positioned above the first fixing seats, a plurality of first limiting parts for limiting the connecting rod are arranged on the upper side surface of the first fixing ring at equal intervals, the first limiting part is in contact fit with the upper part of the connecting rod through the side face, and the speed reducing mechanism is arranged below the first fixing ring.

Furthermore, the speed reducing component comprises a second fixed seat, a rotating shaft, a one-way gear, a first bevel gear, a connecting seat, a second bevel gear, a straight gear, a second fixed ring, a rotating ring, a first sliding rod, a first sliding plate, a second spring, a rotating block and a connecting shaft, wherein the outer side surface of the inner drill collar is fixedly connected with a plurality of second fixed seats at equal intervals in the circumferential direction, the second fixed seat is positioned between the first fixed seat and the first fixed ring, the connecting rod penetrates through the middle part of the adjacent second fixed seat, the second fixed seat is rotatably connected with the rotating shaft, one end of the rotating shaft is provided with the one-way gear, the one-way gear is meshed with the teeth of the adjacent connecting rod, the other end of the rotating shaft is fixedly connected with the first bevel gear, the outer side surface of the second fixed seat is fixedly connected with the connecting seat, the rotating shaft is rotatably connected on the connecting seat, the upper end of the rotating shaft on the connecting seat is fixedly connected with the second bevel gear, the lower end of the rotating shaft on the connecting seat is fixedly connected with the straight gear, the second fixed ring is fixedly connected to the upper part of the inner side surface of the outer drill collar, the second fixed ring is positioned below the first fixed ring, the upper part of the second fixed ring is rotatably connected with a rotating ring, damping exists between the second fixed ring and the rotating ring, teeth are arranged on the inner side surface of the rotating ring, a straight gear is meshed with the teeth of the rotating ring, arc-shaped chutes are respectively arranged on the front part and the rear part of the second fixed ring, first sliding rods are respectively and slidably connected in the arc-shaped chutes of the second fixed ring, the upper end of each first sliding rod is arranged in a circular plate manner, a first sliding plate is slidably connected to the middle part of the outer side surface of each first sliding rod, the first sliding plates are respectively positioned on the upper side surface of the second fixed ring, a second spring is sleeved on the upper part of the outer side surface of each first sliding rod in a sleeved manner, the two ends of the second spring are fixedly connected to the first sliding rods and the first sliding plates, the lower end of each first sliding rod is rotatably connected with a rotating block, and the lower side surface of the rotating block is fixedly connected with a second spring, the connecting shaft is rotatably connected with the logging instrument.

Furthermore, the hydraulic damping mechanism comprises a fixed ring, a fixed strip, a first fixed plate, a second limiting part, an arc-shaped shell, an annular rod, a second fixed plate and a hydraulic buffer component, wherein the fixed ring is fixedly connected to the inner side surface of the outer drill collar, the fixed ring is positioned below the annular plate, the left part and the right part of the lower side surface of the annular plate are respectively fixedly connected with the fixed strip, the middle part of the fixed strip is provided with a sliding groove, the outer side surfaces of the two fixed strips are respectively fixedly connected with the first fixed plate, the middle part of the first fixed plate is provided with a groove, the groove of the first fixed plate is arranged in a circular chamfer, the left part and the right part of the inner side surface of the outer drill collar are respectively fixedly connected with the second limiting part, the second limiting part is matched with the groove of the first fixed plate, the front part and the rear part of the inner side surface of the fixed ring are respectively fixedly connected with the arc-shaped shell, the middle part of the arc-shaped shell is provided with a circular cavity, the hydraulic oil is filled in the circular cavity of the arc-shaped shell, the annular rod passes through the two arc-shaped shells, annular pole and arc shell sliding connection, annular pole pass the sliding tray of two fixed strips, and two parts do not the rigid coupling have two second fixed plates about the annular pole, and two second fixed plates are located the front and back both sides of adjacent fixed strip respectively, and hydraulic buffer subassembly is located the circular cavity of arc shell.

Furthermore, the hydraulic buffer component comprises a sliding plug, semicircular shells, supporting bars, a second sliding rod, a third spring, semicircular sealing plates, a second sliding plate, a connecting bar and a fourth spring, wherein the sliding plugs are respectively and slidably connected in the circular cavities of the two arc-shaped shells, the sliding plugs are fixedly connected with the annular bars, the upper part and the lower part of each sliding plug are respectively communicated with the semicircular shells, the left part of the inner side surface of the semicircular shell at the lower side and the right part of the inner side surface of the semicircular shell at the upper side are respectively and fixedly connected with the supporting bars, the two supporting bars are respectively and slidably connected with the second sliding rod, the outer side surfaces of the two second sliding rods are annularly sleeved with the third spring, the two ends of the third spring are respectively and fixedly connected with the supporting bars and the second sliding rod, the outer ends of the two second sliding rods are respectively and fixedly connected with the semicircular sealing plates, the two semicircular sealing plates are respectively in sealing fit with the adjacent semicircular shells, the front part and the rear part of the two semicircular sealing plates are respectively provided with circular through holes, the left side and the right side of the sliding plug are respectively provided with a second sliding plate, the second sliding plates are connected with the annular rod in a sliding mode, the inner side faces of the two second sliding plates are respectively fixedly connected with a connecting column, the connecting columns are in contact with the adjacent semicircular sealing plates, and fourth springs are fixedly connected between the second sliding plates and the arc-shaped shell. Furthermore, the impact-proof mechanism comprises a sliding round shell, a second guide plate, limiting assemblies, an annular shell, a piston, telescopic rods, support frames and tension springs, the sliding round shell is rotatably connected to the lower ends of the two fixing strips, a sliding groove is formed in the outer side surface of the sliding round shell, the second guide plate is fixedly connected to the inner side surface of the outer drill collar at equal intervals in the circumferential direction, the sliding round shell is slidably connected with the second guide plate through the sliding groove, a plurality of limiting assemblies are arranged between the sliding round shell and the outer drill collar, a fixing plate is arranged at the lower portion of the annular shell, the annular shell is fixedly connected to the lower portion of the inner side surface of the outer drill collar through the fixing plate at the lower portion, the piston is slidably connected to the upper portion of the inner side surface of the annular shell, the plurality of telescopic rods are fixedly connected between the piston and the sliding round shell at equal intervals in the circumferential direction, a plurality of support frames are fixedly connected to the outer side surface of the annular shell at equal intervals, and the tension springs are fixedly connected between the support frames and the piston.

Further, the limiting assembly comprises a second fixing shell, a sliding limiting block, a fifth spring, a fixing frame, a rotating plate and a sixth spring, the second fixing shell is fixedly connected to the outer side face of the sliding round shell, the inner side face of the second fixing shell is slidably connected with the sliding limiting block, a groove is formed in the middle of the sliding limiting block, the fifth spring is fixedly connected between the second fixing shell and the sliding limiting block, the fixing frame is fixedly connected to the inner side face of the outer drill collar, the rotating plate is rotatably connected to the lower portion of the fixing frame, the inner end of the rotating plate is arranged in a long strip plate mode, the inner end of the rotating plate is matched with the groove of the sliding limiting block, the distance from the outer end to the rotating shaft is shorter than that of the outer end of the rotating plate, and the sixth spring is fixedly connected between the outer portion of the upper side face of the rotating plate and the fixing frame.

Furthermore, the groove of the sliding limiting block is chamfered with an oblique angle, and the upper part and the lower part of the sliding limiting block are chamfered with fillets.

Further, the sealing device comprises a circular tube, an annular frame, a third sliding rod, a seventh spring, a sealing shell and a connecting plate, wherein the left part and the right part of the annular shell are respectively communicated with the circular tube, the outer side surface of the circular tube is fixedly connected with the annular frame, the upper part and the lower part of the annular frame are respectively connected with the third sliding rod in a sliding manner, the outer side surface of the third sliding rod is sleeved with the seventh spring in a ring manner, two ends of the seventh spring are respectively fixedly connected to the annular frame and the third sliding rod, the outer ends of the two circular tubes are provided with the sealing shell, the sealing shell is in sealing fit with the circular tube, the upper part and the lower part of the sealing shell are respectively fixedly connected with the connecting plate, and the connecting plate is fixedly connected with the adjacent third sliding rod.

Furthermore, the sealing shell is frustum-shaped, and a round hole for air circulation is formed in the middle of the sealing shell.

The invention has the beneficial effects that: the shock absorption rubber ring is arranged to prevent the logging instrument from colliding with the interior of the outer drill collar due to large circumferential shaking; through the arrangement of the circumferential damping mechanism, the spring piece deforms to damp and buffer the logging instrument, so that the logging instrument is prevented from being collided and damaged with the inner drill collar, the connecting rod is matched with the first limiting part, when the outer drill collar and the inner drill collar slightly shake, the logging instrument does not shake circumferentially, the logging instrument is prevented from being in a shaking state all the time in the drilling process, damping exists between the second fixing ring and the rotating ring, the connecting rod and the spring piece drive the logging instrument to slowly reset, and the situation that the logging instrument cannot reach a stable state quickly after being reset too fast is avoided; by arranging the hydraulic damping mechanism, the first fixing plate is matched with the second limiting part, so that the logging instrument is prevented from shaking for a long time when the logging instrument shakes in a smaller rotating direction, electronic components in the logging instrument are influenced by mechanical stress, the logging accuracy is reduced, hydraulic oil can only flow through circular through holes formed in the upper semicircular sealing plate and the lower semicircular sealing plate when the sliding plug is reset, the resetting speed of the sliding plug and parts on the sliding plug is reduced, the logging instrument is prevented from being too fast in resetting speed, and the logging instrument shakes in the opposite direction; the sliding round shell is fixed through the matching of the sliding limiting block and the rotating plate by the anti-impact mechanism, so that the logging instrument is prevented from shaking all the time in the downward drilling process, an electronic element in the logging instrument is influenced by mechanical stress, the logging accuracy of the logging instrument is reduced, air in the annular shell is extruded through the tension of the tension spring and the elastic piston of the second spring, the impact force of the logging instrument in the vertical direction is buffered, and the logging instrument is prevented from being damaged; inside entering into the annular shell through making the circular through-hole on the air passes through the sealed shell, slowed down the speed that resets of piston, so avoided the logging instrument to slide from top to bottom in the crude oil position after resetting fast, can not reach stable state fast.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial perspective view of the first circumferential damping mechanism according to the present invention.

Fig. 3 is a partial perspective view of a second circumferential damping mechanism according to the present invention.

Fig. 4 is a partial perspective view of a third circumferential damping mechanism according to the present invention.

Fig. 5 is an enlarged schematic perspective view of the invention at a.

Fig. 6 is a partial perspective view of the deceleration assembly of the present invention.

Fig. 7 is a schematic perspective view of the hydraulic damping mechanism of the present invention.

Fig. 8 is a partial perspective view of the hydraulic shock absorbing mechanism of the present invention.

Fig. 9 is a partially sectional perspective view of the hydraulic damper mechanism according to the present invention.

Fig. 10 is a schematic cross-sectional perspective view of a hydraulic cushion assembly according to the present invention.

Fig. 11 is a partially sectional perspective view of the impact prevention mechanism of the present invention.

Fig. 12 is an enlarged perspective view of the present invention at B.

Fig. 13 is a schematic view of the present invention in a partially cut-away perspective structure.

Reference numbers in the drawings: 1-outer drill collar, 2-inner drill collar, 3-logging instrument, 401-damping rubber ring, 402-annular plate, 403-first fixed shell, 404-sliding block, 405-first spring, 406-spring plate, 407-first guide plate, 408-connecting rod, 409-first fixed seat, 410-first fixed ring, 411-first limiting member, 412-second fixed seat, 413-rotating shaft, 414-one-way gear, 415-first bevel gear, 416-connecting seat, 417-second bevel gear, 418-spur gear, 419-second fixed ring, 420-rotating ring, 421-first sliding rod, 422-first sliding plate, 423-second spring, 424-rotating block, 425-connecting shaft, 501-fixed ring, 502-fixed bar, 5021-sliding groove, 503-first fixed plate, 504-second stop, 505-arc shell, 506-annular rod, 507-second fixed plate, 508-sliding plug, 509-semicircular shell, 510-supporting bar, 511-second sliding rod, 512-third spring, 513-semicircular sealing plate, 514-second sliding plate, 515-connecting column, 516-fourth spring, 601-sliding circular shell, 602-second guide plate, 603-second fixed shell, 604-sliding stop block, 6041-fifth spring, 605-fixed frame, 606-rotating plate, 607-sixth spring, 608-annular shell, 609-piston, 610-telescopic rod, 611-supporting frame, 612-tension spring, 613-circular tube, 614-annular frame, 615-third sliding rod, 616-seventh spring, 617-sealing shell, 618-connecting plate.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings.

Example 1

A logging-while-drilling instrument with high-strength anti-seismic function for petroleum drilling comprises an outer drill collar 1, an inner drill collar 2, a logging instrument 3, a circumferential damping mechanism, a hydraulic damping mechanism and an impact prevention mechanism, wherein the inner drill collar 2 is arranged in the middle of the outer drill collar 1, the logging instrument 3 is arranged in a cavity formed by the outer drill collar 1 and the inner drill collar 2, the circumferential damping mechanism is arranged between the logging instrument 3 and the outer side surface of the inner drill collar 2, the hydraulic damping mechanism for absorbing torsional impact is arranged on the lower side of the logging instrument 3, the impact prevention mechanism is arranged on the lower side of the hydraulic damping mechanism, and the impact prevention mechanism is mechanically matched with the hydraulic damping mechanism, as shown in figures 1-12.

When the device is used, the device is arranged at the rear part of a drill bit through the outer drill collar 1 and the inner drill collar 2, then the well logging instrument 3 follows the drill bit to detect the well wall downwards, the drill bit is contacted with rocks to generate larger circumferential vibration in the well drilling process, when the circumferential vibration occurs, the well logging instrument 3 extrudes the circumferential damping mechanism, the circumferential damping mechanism performs damping and buffering on the well logging instrument 3 to avoid the well logging instrument 3 from being damaged, meanwhile, the drill bit can generate larger torsion in the drilling process, the outer drill collar 1 and the inner drill collar 2 generate torsional vibration in the rotating direction at the moment, the well logging instrument 3 extrudes the hydraulic damping mechanism, the hydraulic damping mechanism performs damping and protection on the well logging instrument 3 to avoid the well logging instrument 3 from being damaged, and because the drill bit is applied with larger pressure on the drill bit, when the drill bit passes through a harder rock stratum, impact force in the vertical direction can occur, at this moment, the impact prevention mechanism carries out damping and buffering on the logging instrument 3, and the logging instrument 3 is prevented from being damaged.

Example 2

On the basis of embodiment 1, as shown in fig. 2 to 6, the circumferential damping mechanism includes a damping rubber ring 401, an annular plate 402, a first fixing shell 403, a sliding block 404, a first spring 405, a spring plate 406, a first guide plate 407, a connecting rod 408, a first fixing seat 409, a first fixing ring 410, a first limiting member 411, a second fixing seat 412, a rotating shaft 413, a one-way gear 414, a first bevel gear 415, a connecting seat 416, a second bevel gear 417, a spur gear 418, a second fixing ring 419, a rotating ring 420, a first sliding rod 421, a first sliding plate 422, a second spring 423, a rotating block 424 and a connecting shaft 425, the damping rubber ring 401 for absorbing impact force is fixedly connected to the outer side surfaces of the upper and lower portions of the logging instrument 3, the outer ring surface of the damping rubber ring 401 is convex, the inner ring surface is made of hard material, the annular plate 402 is disposed on the lower side of the logging instrument 3, the annular plate 402 is fixedly connected with nine first fixing shells 403 at equal intervals in the circumferential direction, a sliding block 404 is connected in the first fixed shell 403 in a sliding manner, the upper side surface of the sliding block 404 is in contact with the logging instrument 3, a first spring 405 is arranged in the first fixed shell 403, two ends of the first spring 405 are respectively and fixedly connected to the first fixed shell 403 and the sliding block 404, a plurality of spring pieces 406 are arranged on the outer side surface of the inner drill collar 2 at equal intervals in the circumferential direction, the lower end of each spring piece 406 is hinged with the outer side surface of the inner drill collar 2, a plurality of groups of first guide plates 407 are fixedly connected to the upper portion of the outer side surface of the inner drill collar 2 at equal intervals in the circumferential direction, two groups of first guide plates 407 are arranged, sliding grooves are formed in the inner side surfaces of the first guide plates 407, a rotating shaft is rotatably connected to the upper end of each spring piece 406, sliding blocks are respectively arranged at the left end and the right end of the rotating shaft of each spring piece 406, each spring piece 406 is slidably connected to the sliding groove of the first guide plates through the sliding blocks on the rotating shaft, the outer side surfaces of the spring pieces 406 are fixedly connected to the inner side surface of the logging instrument 3, the spring piece 406 is hinged with a connecting rod 408 through a rotating shaft, the middle part of the outer side surface of the connecting rod 408 is provided with teeth, the outer side surface of the inner drill collar 2 is fixedly connected with a plurality of first fixing seats 409 for guiding the connecting rod 408 at equal intervals, the middle part of the first fixing seat 409 is provided with a square through hole, the connecting rod 408 passes through the square through hole of the adjacent first fixing seat 409, the upper part of the outer side surface of the inner drill collar 2 is fixedly connected with a first fixing ring 410, the first fixing ring 410 is positioned above the first fixing seat 409, the upper part of the connecting rod 408 passes through the first fixing ring 410, the upper side surface of the first fixing ring 410 is provided with a plurality of first limiting parts 411 for limiting the connecting rod 408 at equal intervals, the first limiting parts 411 are in side contact fit with the upper part of the connecting rod 408, the outer side surface of the inner drill collar 2 is fixedly connected with a plurality of second fixing seats 412 at equal intervals in the circumferential direction, and the second fixing seats 412 are positioned between the first fixing seats 410, the connecting rod 408 penetrates through the middle of the adjacent second fixing seat 412, a rotating shaft 413 is rotatably connected to the second fixing seat 412, a one-way gear 414 is mounted at one end of the rotating shaft 413, the one-way gear 414 is engaged with the teeth of the adjacent connecting rod 408, a first bevel gear 415 is fixedly connected to the other end of the rotating shaft 413, a connecting seat 416 is fixedly connected to the outer side surface of the second fixing seat 412, a rotating shaft is rotatably connected to the connecting seat 416, a second bevel gear 417 is fixedly connected to the upper end of the rotating shaft on the connecting seat 416, a straight gear 418 is fixedly connected to the lower end of the rotating shaft on the connecting seat 416, a second fixing ring 419 is fixedly connected to the upper portion of the inner side surface of the outer drill collar 1, the second fixing ring 419 is located below the first fixing ring 410, a rotating ring 420 is rotatably connected to the upper portion of the second fixing ring 419, damping exists between the second fixing ring 419 and the rotating ring 420, the inner side surface of the rotating ring 420 is provided with teeth, the straight gear 418 is engaged with the teeth of the rotating ring 420, and arc chutes are respectively formed in the front and back portions of the second fixing ring 419, the arc-shaped sliding grooves of the second fixing ring 419 are internally and respectively connected with a first sliding rod 421 in a sliding manner, the upper end of the first sliding rod 421 is arranged as a circular plate, the middle part of the outer side surface of the first sliding rod 421 is connected with a first sliding plate 422 in a sliding manner, the first sliding plate 422 is respectively positioned on the upper side surface of the second fixing ring 419, the upper part of the outer side surface of the first sliding rod 421 is sleeved with a second spring 423 in a surrounding manner, two ends of the second spring 423 are fixedly connected with the first sliding rod 421 and the first sliding plate 422, the lower end of the first sliding rod 421 is rotatably connected with a rotating block 424, the lower side surface of the rotating block 424 is fixedly connected with a connecting shaft 425, and the connecting shaft 425 is rotatably connected with the logging instrument 3.

As shown in fig. 7-10, the hydraulic damping mechanism includes a fixed ring 501, fixed bars 502, a first fixed plate 503, a second limiting member 504, an arc-shaped shell 505, an annular rod 506, a second fixed plate 507, a sliding plug 508, a semicircular shell 509, a support bar 510, a second sliding rod 511, a third spring 512, a semicircular sealing plate 513, a second sliding plate 514, a connection column 515, and a fourth spring 516, the fixed ring 501 is fixedly connected to the inner side of the outer drill collar 1, the fixed ring 501 is located below the annular plate 402, the left and right portions of the lower side of the annular plate 402 are respectively fixedly connected with the fixed bars 502, the middle portion of the fixed bars 502 is provided with a sliding groove 5021, the outer side surfaces of the two fixed bars 502 are respectively fixedly connected with the first fixed plate 503, the middle portion of the first fixed plate 503 is provided with a groove, the groove of the first fixed plate 503 is provided with a circular chamfer, the left and right portions of the inner side of the outer drill collar 1 are respectively fixedly connected with the second limiting member 504, the second limiting member 504 is matched with the groove of the first fixing plate 503, the front and rear parts of the inner side surface of the fixing ring 501 are respectively fixedly connected with an arc-shaped shell 505, the middle part of the arc-shaped shell 505 is provided with a circular cavity, hydraulic oil is filled in the circular cavity of the arc-shaped shell 505, the annular rod 506 passes through the two arc-shaped shells 505, the annular rod 506 is slidably connected with the arc-shaped shells 505, the annular rod 506 passes through the sliding grooves 5021 of the two fixing bars 502, the left and right parts of the annular rod 506 are respectively fixedly connected with two second fixing plates 507, the two second fixing plates 507 are respectively positioned at the front and rear sides of the adjacent fixing bars 502, the circular cavities of the two arc-shaped shells 505 are respectively slidably connected with sliding plugs 508, the sliding plugs 508 are fixedly connected with the annular rod 506, the upper and lower parts of the sliding plugs 508 are respectively communicated with semicircular shells, the left part of the inner side surface of the semicircular shell 509 at the lower side and the right part of the inner side surface of the semicircular shell 509 at the upper side are respectively fixedly connected with supporting bars 510, the two supporting bars 510 at the front and rear sides are respectively slidably connected with the second sliding rods 511, the outer side surfaces of the two second sliding rods 511 at the front side and the rear side are sleeved with third springs 512 in a surrounding manner, two ends of each third spring 512 are fixedly connected to the supporting bar 510 and the second sliding rod 511 respectively, the outer ends of the two second sliding rods 511 at the front side and the rear side are fixedly connected with semicircular sealing plates 513 respectively, the two semicircular sealing plates 513 at the front side and the rear side are in sealing fit with the adjacent semicircular shell 509 respectively, the front part and the rear part of the two semicircular sealing plates 513 at the front side and the rear side are provided with circular through holes respectively, the left side and the right side of the sliding plugs 508 at the front side and the rear side are provided with second sliding plates 514 respectively, the second sliding plates 514 are in sliding connection with the annular rods 506, the inner side surfaces of the two second sliding plates 514 at the front side and the rear side are fixedly connected with connecting columns 515 respectively, the connecting columns 515 are in contact with the adjacent semicircular sealing plates 513, and fourth springs 516 are fixedly connected between the second sliding plates 514 and the arc-shaped shell 505.

As shown in fig. 11-12, the impact-proof mechanism includes a sliding circular shell 601, a second guide plate 602, a limiting component, an annular shell 608, a piston 609, a telescopic rod 610, a support frame 611 and a tension spring 612, the sliding circular shell 601 is rotatably connected to the lower ends of the two fixing strips 502, the outer side surface of the sliding circular shell 601 is provided with a sliding slot, the inner side surface of the outer drill collar 1 is fixedly connected with a plurality of second guide plates 602 at equal intervals in the circumferential direction, the sliding circular shell 601 is slidably connected with the second guide plates 602 through the sliding slot, a plurality of limiting components are arranged between the sliding circular shell 601 and the outer drill collar 1, the lower portion of the annular shell 608 is provided with a fixing plate, the annular shell 608 is fixedly connected to the lower portion of the inner side surface of the outer drill collar 1 through the fixing plate at the lower portion, the upper portion of the inner side surface of the annular shell 608 is slidably connected with the piston 609, the piston 609 is fixedly connected with the sliding circular shell 601 at equal intervals in the circumferential direction, the outer side surface of the annular shell 608 is fixedly connected with a plurality of the support frames 611 at equal intervals in the circumferential direction, a tension spring 612 is fixedly connected between the support frame 611 and the piston 609.

As shown in fig. 12, the limiting assembly comprises a second fixed shell 603, a sliding limiting block 604 and a fifth spring 6041, the second fixing shell 603 is fixedly connected to the outer side surface of the sliding circular shell 601, the inner side surface of the second fixing shell 603 is connected with a sliding limiting block 604 in a sliding mode, a groove is formed in the middle of the sliding limiting block 604, an oblique angle is formed in the groove of the sliding limiting block 604, the upper portion and the lower portion of the sliding limiting block 604 are provided with round corners, a fifth spring 6041 is fixedly connected between the adjacent second fixing shell 603 and the sliding limiting block 604, the fixing shell 605 is fixedly connected to the inner side surface of the outer drill collar 1, the lower portion of the fixing shell 605 is rotatably connected with a rotating plate 606, the inner end of the rotating plate 606 is arranged in a long strip mode, the inner end of the rotating plate 606 is matched with the groove of the sliding limiting block 604, the distance between the inner end of the rotating plate 606 and the rotating shaft is shorter than the distance between the outer end of the rotating plate 606 and the fixing shell 605, and the sixth spring 607 is fixedly connected between the outer portion of the upper side surface of the rotating plate 606 and the fixing shell 605.

When the outer drill collar 1 and the inner drill collar 2 shake circumferentially, the damping rubber ring 401 at the lower part of the logging instrument 3 drives the sliding block 404 at one side to slide along the first fixed shell 403, the sliding block 404 extrudes the first spring 405 to decelerate and buffer the logging instrument 3, the damping rubber ring 401 is arranged to avoid large circumferential shake to cause the logging instrument 3 to collide with the inside of the outer drill collar 1, the logging instrument 3 drives the rotating block 424 and the connecting shaft 425 to rotate along the first sliding rod 421, meanwhile, the inner side surface of the logging instrument 3 extrudes the spring piece 406 at one side, the upper end of the spring piece 406 slides upwards along the sliding groove of the first guide plate 407 through the sliding block on the rotating shaft, the logging instrument 3 pulls the spring piece 406 at the other side, the spring piece 406 deforms to damp and buffer the logging instrument 3, the logging instrument 3 is prevented from colliding and damaging with the inner drill collar 2, the upper end of the spring piece 406 extruded by the logging instrument 3 drives the connecting rod 408 to move upwards along the first fixed seat 409, the upper end of the spring lamination 406 on the other side drives the connecting rod 408 to move downwards along the first fixing seat 409, the connecting rod 408 is separated from the fixing of the first limiting member 411 when moving upwards, the connecting rod 408 is matched with the first limiting member 411, when slight circumferential shaking occurs on the outer drill collar 1 and the inner drill collar 2, the logging instrument 3 does not shake circumferentially, the logging instrument 3 is prevented from being in a shaking state all the time in the drilling process, electronic components in the logging instrument 3 are influenced by mechanical stress, the logging accuracy is reduced, then the connecting rod 408 drives the one-way gear 414 to rotate forwards, at the moment, the one-way gear 414 does not drive the rotating shaft 413 to rotate, the logging instrument 3 is buffered through the deformation of the spring lamination 406, then the logging instrument 3 resets under the elastic force of the first spring 405 and the spring lamination 406 through the elastic force of the spring lamination, the spring lamination 406 drives the connecting rod 408 to slide downwards, then the connecting rod 408 drives the one-way gear 414 to rotate backwards, at this time, the one-way gear 414 drives the first bevel gear 415 to rotate backwards, the first bevel gear 415 drives the second bevel gear 417 to rotate anticlockwise, the second bevel gear 417 drives the spur gear 418 to rotate anticlockwise through the rotating shaft, the spur gear 418 drives the rotating ring 420 to rotate anticlockwise along the second fixing ring 419, and because damping exists between the second fixing ring 419 and the rotating ring 420, the connecting rod 408 and the spring piece 406 drive the logging instrument 3 to reset slowly, so that the situation that the logging instrument 3 cannot reach a stable state quickly due to too fast resetting is avoided, the logging instrument 3 drives the rotating block 424 and the connecting shaft 425 to reset, and then the connecting rod 408 and the first limiting piece 411 are re-matched, the outer side surface of the spring piece 406 is in re-contact with the logging instrument 3, and the position of the logging instrument 3 is fixed.

When the inner wall of a drill bit wall is stuck in a drilling process, the drill bit can drive the outer drill collar 1 and the inner drill collar 2 to shake in the rotating direction, at the moment, the logging instrument 3 drives the two fixing strips 502 to rotate clockwise through the annular plate 402, the logging instrument 3 drives the first sliding rod 421 to slide clockwise along the arc-shaped sliding groove of the second fixing ring 419 through the rotating block 424 and the connecting shaft 425, the fixing strip 502 drives the first fixing plate 503 to rotate clockwise, the first fixing plate 503 extrudes the second limiting piece 504, at the moment, the groove of the first fixing plate 503 is not matched with the second limiting piece 504, through the arrangement of the first fixing plate 503 and the second limiting piece 504, when the vibration in a smaller rotating direction occurs, the logging instrument 3 is prevented from shaking for a long time, electronic components in the logging instrument 3 are influenced by mechanical stress, the accuracy of logging is reduced, and then the fixing strips 502 drive the annular rod 506 to rotate clockwise through the second fixing plate 507, the annular rod 506 drives the sliding plug 508 to slide along the circular cavity of the arc-shaped shell 505, the sliding plug 508 drives the components on the sliding plug 508 to rotate clockwise, the upper semicircular sealing plate 513 extrudes the second sliding plate 514 through the connecting column 515, the second sliding plate 514 extrudes the right fourth spring 516, the fourth spring 516 is compressed, in the process of clockwise rotation of the sliding plug 508, hydraulic oil extrudes the lower semicircular sealing plate 513, the lower semicircular sealing plate 513 moves towards the left side, the lower semicircular sealing plate 513 is out of fit with the adjacent semicircular shell 509, the lower semicircular sealing plate 513 drives the second sliding rod 511 to slide towards the left along the supporting bar 510, the third spring 512 is compressed, the connecting column 515 at the left part is out of contact with the adjacent semicircular sealing plate 513, hydraulic oil flows from the circular holes formed in the lower semicircular shell 509 and the upper semicircular sealing plate 513, when the sliding plug 508 rotates to the right part, the lower semicircular sealing plate 513 and the adjacent semicircular shell 509 are resealed under the elastic force of the third spring 512 at the moment Then under the action of the elastic force of the fourth spring 516, the second sliding plate 514 at the right part pushes the adjacent semicircular sealing plate 513 through the connecting column 515 on the second sliding plate, so that the second sliding plate 514 at the right part, the connecting column 515 at the right part, the sliding plug 508 and the parts at the upper part of the sliding plug 508 are reset, the semicircular sealing plate 513 at the upper part and the adjacent semicircular shell 509 are in sealing fit through extrusion of the connecting column 515 at the right part, the semicircular sealing plate 513 at the lower part and the adjacent semicircular shell 509 are in sealing fit under the action of the pushing force of hydraulic oil, at the moment, hydraulic oil can only flow through circular through holes formed in the semicircular sealing plates 513 at the upper part and the lower part, the resetting speed of the sliding plug 508 and the parts on the sliding plug is reduced, the phenomenon that the resetting speed of the logging instrument 3 is too high, the logging instrument 3 shakes in the opposite direction is avoided, then the sliding plug 508 drives the annular rod 506 to reset, the annular rod 506 drives the fixing strip 502 and the first fixing plate 503 to reset through the second fixing plate 507, then the groove of the first fixing plate 503 is re-engaged with the second retaining member 504.

When a large impact is generated in the vertical direction, the logging instrument 3 presses the annular plate 402 downwards through the first fixed shell 403 and the sliding block 404, the annular plate 402 slides downwards, the annular plate 402 drives the fixed bar 502 to move downwards, the fixed bar 502 drives the first fixed plate 503 to move downwards, the second limiting member 504 slides in the sliding slot of the first fixed plate 503, the second limiting member 504 is always matched with the sliding slot of the first fixed plate 503, the fixed bar 502 moves downwards to make the annular rod 506 slide in the sliding slot 5021, the fixed bar 502 drives the sliding circular shell 601 to move downwards along the second guide plate 602, the sliding circular shell 601 drives the second fixed shell 603, the sliding limiting block 604 and the fifth spring 6041 on the peripheral side to move downwards, the groove of the sliding limiting block 604 presses the long strip at the inner end of the rotating plate 606, the inner end of the rotating plate 606 rotates downwards, the rear end of the rotating plate 606 presses the sixth spring 607, and the sliding limiting block 604 loses matching with the rotating plate 606, the sliding round shell 601 is fixed through the matching of the sliding limiting block 604 and the rotating plate 606, the phenomenon that the logging instrument 3 rocks all the time in the downward drilling process is avoided, electronic elements in the logging instrument 3 are affected by mechanical stress, and the logging accuracy of the logging instrument 3 is reduced.

Meanwhile, the logging instrument 3 drives the first sliding rod 421 to slide downwards through the rotating block 424 and the connecting shaft 425, at this time, the second spring 423 on the upper portion of the first sliding rod 421 is compressed, the sliding circular shell 601 drives the telescopic rod 610 to move downwards, the telescopic rod 610 drives the piston 609 to slide downwards, the tension spring 612 stretches, the piston 609 slides downwards to press air inside the annular shell 608 to perform buffering and deceleration, then the piston 609 resets under the action of the tension force of the tension spring 612 and the elastic force of the second spring 423, the piston 609 drives the sliding circular shell 601 to reset through the telescopic rod 610, then the upper side surface of the sliding limiting block 604 contacts with the inner end of the rotating plate 606, the rotating plate 606 presses the arc-shaped chamfer on the upper side surface of the sliding limiting block 604, the sliding limiting block 604 slides towards the second fixing shell 603, the fifth spring 6041 is compressed, the sliding circular shell 601 drives the second fixing shell 603, the sliding limiting block 604 and the fifth spring 6041 to move upwards, the groove of the elastic sliding limiting block 604 of the fifth spring 6041 is matched with the rotating plate 606 again, the sliding circular shell 601 drives the annular plate 402 and parts on the annular plate to reset through the fixing strip 502, then the logging instrument 3 resets, the logging instrument 3 drives the first sliding rod 421 and the rotating block 424 to reset, air inside the annular shell 608 is squeezed through the tension of the tension spring 612 and the elastic piston 609 of the second spring 423, the impact force of the logging instrument 3 in the vertical direction is buffered, and the logging instrument 3 is prevented from being damaged.

Example 3

In addition to embodiment 2, as shown in fig. 13, the present invention further includes a circular tube 613, an annular frame 614, a third sliding rod 615, a seventh spring 616, a sealing shell 617, and a connecting plate 618, wherein the circular tube 613 is respectively communicated with the left and right portions of the annular frame 608, the annular frame 614 is fixedly connected to the outer side surface of the circular tube 613, the third sliding rod 615 is respectively slidably connected to the upper and lower portions of the annular frame 614, the seventh spring 616 is slidably connected to the outer side surface of the third sliding rod 615, both ends of the seventh spring 616 are respectively fixedly connected to the annular frame 614 and the third sliding rod 615, the sealing shell 617 is provided at the outer ends of the two circular tubes 613, the sealing shell 617 is provided in a frustum shape, and the middle part of the sealed shell 617 is opened with a round hole for air circulation, the sealed shell 617 is in sealing fit with the round pipe 613, the upper and lower parts of the sealed shell 617 are fixedly connected with a connecting plate 618 respectively, and the connecting plate 618 is fixedly connected with the adjacent third sliding rod 615.

The piston 609 presses air in the annular shell 608 downwards, the air in the annular shell 608 presses the sealing shell 617 to move outwards, the sealing shell 617 drives the third sliding rod 615 to slide outwards along the annular frame 614 through the connecting plate 618, the seventh spring 616 is compressed, when the piston 609 moves to the lower part of the circular tube 613, the piston 609 presses the air in the lower part of the annular shell 608 to buffer, when the piston 609 is reset, the piston 609 enables a negative pressure state to be formed in the annular shell 608, then the air enters the annular shell 608 through the circular through hole in the sealing shell 617, the resetting speed of the piston 609 is slowed down, and therefore the situation that the logging instrument 3 slides up and down in the crude oil position after being reset quickly is avoided, and the stable state cannot be achieved quickly.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides a petroleum drilling is with logging while drilling appearance with high-strength antidetonation function, including outer drill collar (1), inner drill collar (2), logging instrument (3), its characterized in that: the device is characterized by further comprising a circumferential damping mechanism, a hydraulic damping mechanism and an impact prevention mechanism, wherein the inner drill collar (2) is arranged in the middle of the outer drill collar (1), a logging instrument (3) is installed in a cavity formed by the outer drill collar (1) and the inner drill collar (2), the circumferential damping mechanism is arranged between the logging instrument (3) and the outer side surface of the inner drill collar (2) and used for arranging the hydraulic damping mechanism for absorbing torsional impact on the lower side of the logging instrument (3), the impact prevention mechanism is arranged on the lower side of the hydraulic damping mechanism, and the impact prevention mechanism is mechanically matched with the hydraulic damping mechanism.

2. The logging-while-drilling instrument with high-strength anti-seismic function for petroleum drilling as recited in claim 1, wherein: the circumferential damping mechanism comprises a damping rubber ring (401), an annular plate (402), a first fixed shell (403), a sliding block (404), a first spring (405), a spring piece (406), a first guide plate (407), a connecting rod (408), a first fixed seat (409), a first fixed ring (410), a first limiting part (411) and a deceleration component, wherein the upper outer side surface and the lower outer side surface of the logging instrument (3) are respectively and fixedly connected with the damping rubber ring (401) for absorbing impact force, the outer annular surface of the damping rubber ring (401) is arranged in a protruding manner, the inner annular surface is made of hard material, the annular plate (402) is arranged on the lower side of the logging instrument (3), a plurality of first fixed shells (403) are fixedly connected on the upper side surface of the annular plate (402) at equal intervals in the circumferential direction, the sliding block (404) is connected in the first fixed shell (403) in a sliding manner, the upper side surface of the sliding block (404) is in contact with the logging instrument (3), the first spring (405) is arranged in the first fixed shell (403), two ends of a first spring (405) are fixedly connected to a first fixed shell (403) and sliding blocks (404) respectively, a plurality of spring pieces (406) are arranged on the outer side surface of the inner drill collar (2) at equal intervals in the circumferential direction, the lower end of each spring piece (406) is hinged to the outer side surface of the inner drill collar (2), a plurality of groups of first guide plates (407) are fixedly connected to the upper portion of the outer side surface of the inner drill collar (2) at equal intervals in the circumferential direction, one group of first guide plates (407) is arranged in two, a sliding chute is formed in the inner side surface of one group of first guide plates (407), the upper end of each spring piece (406) is rotatably connected with a rotating shaft, the left end and the right end of the rotating shaft of each spring piece (406) are respectively provided with a sliding block, the outer side surface of each spring piece (406) is fixedly connected with the inner side surface of the logging instrument (3), each spring piece (406) is hinged to a connecting rod (408) through the rotating shaft, teeth are arranged in the middle of the outer side surface of the connecting rod (408), a plurality of first fixed seats (409) for guiding the connecting rod (408) at equal intervals, the middle part of the first fixing seat (409) is provided with a square through hole, the connecting rod (408) penetrates through the square through hole of the adjacent first fixing seat (409), the upper part of the outer side surface of the inner drill collar (2) is fixedly connected with a first fixing ring (410), the first fixing ring (410) is positioned above the first fixing seat (409), the upper part of the connecting rod (408) penetrates through the first fixing ring (410), a plurality of first limiting parts (411) used for limiting the connecting rod (408) are installed on the upper side surface of the first fixing ring (410) at equal intervals, the first limiting parts (411) are in side contact fit with the upper part of the connecting rod (408), and the speed reducing mechanism is arranged below the first fixing ring (410).

3. The logging-while-drilling instrument with high-strength anti-seismic function for oil drilling as recited in claim 2, characterized in that: the speed reducing assembly comprises a second fixing seat (412), a rotating shaft (413), a one-way gear (414), a first bevel gear (415), a connecting seat (416), a second bevel gear (417), a straight gear (418), a second fixing ring (419), a rotating ring (420), a first sliding rod (421), a first sliding plate (422), a second spring (423), a rotating block (424) and a connecting shaft (425), wherein a plurality of second fixing seats (412) are fixedly connected to the outer side surface of the inner drill collar (2) in a circumferential direction at equal intervals, the second fixing seat (412) is located between the first fixing seat (409) and the first fixing ring (410), the connecting rod (408) penetrates through the middle parts of the adjacent second fixing seats (412), the rotating shaft (413) is rotatably connected to the second fixing seat (412), the one-way gear (414) is installed at one end of the rotating shaft (413), and the one-way gear (414) is meshed with the teeth of the adjacent connecting rod (408), a first bevel gear (415) is fixedly connected to the other end of the rotating shaft (413), a connecting seat (416) is fixedly connected to the outer side surface of the second fixing seat (412), a rotating shaft is rotatably connected to the connecting seat (416), a second bevel gear (417) is fixedly connected to the upper end of the rotating shaft on the connecting seat (416), a spur gear (418) is fixedly connected to the lower end of the rotating shaft on the connecting seat (416), a second fixing ring (419) is fixedly connected to the upper portion of the inner side surface of the outer drill collar (1), a second fixing ring (419) is located below the first fixing ring (410), a rotating ring (420) is rotatably connected to the upper portion of the second fixing ring (419), damping exists between the second fixing ring (419) and the rotating ring (420), teeth are arranged on the inner side surface of the rotating ring (420), the spur gear (418) is meshed with the teeth of the rotating ring (420), arc chutes are respectively formed in the front portion and the rear portion of the second fixing ring (419), first sliding rods (421) are respectively slidably connected to the arc chutes in the second fixing ring (419), the upper end of first slip pole (421) is the plectane setting, the lateral surface middle part sliding connection of first slip pole (421) has first sliding plate (422), first sliding plate (422) are located the last side of the solid fixed ring of second (419) respectively, the lateral surface upper ring cover of first slip pole (421) has second spring (423), the both ends rigid coupling of second spring (423) is in first slip pole (421) and first sliding plate (422), the lower extreme of first slip pole (421) rotates and is connected with turning block (424), the downside rigid coupling of turning block (424) has connecting axle (425), connecting axle (425) rotate with logging instrument (3) and are connected.

4. The logging-while-drilling instrument with high-strength anti-seismic function for petroleum drilling as recited in claim 1, wherein: the hydraulic damping mechanism comprises a fixed circular ring (501), fixed strips (502), a first fixed plate (503), a second limiting piece (504), an arc-shaped shell (505), an annular rod (506), a second fixed plate (507) and a hydraulic buffer component, wherein the fixed circular ring (501) is fixedly connected with the inner side surface of the outer drill collar (1), the fixed circular ring (501) is positioned below the annular plate (402), the fixed strips (502) are fixedly connected with the left part and the right part of the lower side surface of the annular plate (402), a sliding groove (5021) is formed in the middle of each fixed strip (502), the first fixed plates (503) are fixedly connected with the outer side surfaces of the two fixed strips (502), a groove is formed in the middle of each first fixed plate (503), the groove of each first fixed plate (503) is formed in a circular chamfer angle manner, the second limiting pieces (504) are fixedly connected with the left part and the right part of the inner side surface of the outer drill collar (1), and the second limiting pieces (504) are matched with the grooves of the first fixed plates (503), the front portion and the rear portion of the inner side face of the fixed circular ring (501) are fixedly connected with an arc-shaped shell (505) respectively, a circular cavity is formed in the middle of the arc-shaped shell (505), hydraulic oil is filled in the circular cavity of the arc-shaped shell (505), the annular rod (506) penetrates through the two arc-shaped shells (505), the annular rod (506) is in sliding connection with the arc-shaped shells (505), the annular rod (506) penetrates through sliding grooves (5021) of the two fixed strips (502), the left portion and the right portion of the annular rod (506) are fixedly connected with two second fixed plates (507), the two second fixed plates (507) are located on the front side and the rear side of the adjacent fixed strips (502) respectively, and the hydraulic buffer assembly is arranged in the circular cavity of the arc-shaped shell (505).

5. The logging-while-drilling instrument with high-strength anti-seismic function for petroleum drilling as recited in claim 4, wherein: the hydraulic buffer component comprises a sliding plug (508), a semicircular shell (509), support bars (510), a second sliding rod (511), a third spring (512), a semicircular sealing plate (513), a second sliding plate (514), a connecting column (515) and a fourth spring (516), the circular cavities of the two arc-shaped shells (505) are respectively and slidably connected with the sliding plug (508), the sliding plug (508) is fixedly connected with the annular rod (506), the upper part and the lower part of the sliding plug (508) are respectively communicated with the semicircular shell (509), the left part of the inner side of the semicircular shell (509) at the lower side and the right part of the inner side of the semicircular shell (509) at the upper side are respectively and fixedly connected with the support bars (510), the two support bars (510) are respectively and slidably connected with the second sliding rod (511), the outer side of the two second sliding rods (511) is annularly sleeved with the third spring (512), two ends of the third spring (512) are respectively and fixedly connected with the support bars (510) and the second sliding rod (511), the outer end of two second sliding rods (511) is respectively the rigid coupling has semicircle sealing plate (513), two semicircle sealing plate (513) respectively with adjacent semicircle shell (509) sealed cooperation, circular through-hole has respectively been seted up to two parts around on two semicircle sealing plate (513), the left and right sides of slip plug (508) is equipped with second sliding plate (514) respectively, second sliding plate (514) and annular pole (506) sliding connection, the medial surface of two second sliding plates (514) rigid coupling respectively has spliced pole (515), spliced pole (515) and adjacent semicircle sealing plate (513) contact, the rigid coupling has fourth spring (516) between second sliding plate (514) and arc shell (505).

6. The logging-while-drilling instrument with high-strength anti-seismic function for petroleum drilling as recited in claim 1, wherein: the impact-proof mechanism comprises a sliding circular shell (601), a second guide plate (602), limiting components, an annular shell (608), a piston (609), a telescopic rod (610), a support frame (611) and a tension spring (612), wherein the sliding circular shell (601) is rotatably connected to the lower ends of two fixing strips (502), a sliding groove is formed in the outer side surface of the sliding circular shell (601), the second guide plate (602) is fixedly connected to the inner side surface of the outer drill collar (1) at equal intervals in the circumferential direction, the sliding circular shell (601) is slidably connected with the second guide plate (602) through the sliding groove, a plurality of limiting components are arranged between the sliding circular shell (601) and the outer drill collar (1), a fixing plate is arranged at the lower part of the annular shell (608), the annular shell (608) is fixedly connected to the lower part of the inner side surface of the outer drill collar (1) through the fixing plate at the lower part, the piston (609) is slidably connected to the upper part of the inner side surface of the annular shell (608), and a plurality of telescopic rods (610) are fixedly connected between the piston (609) and the sliding circular shell (601) at equal intervals in the circumferential direction, a plurality of supporting frames (611) are fixedly connected to the outer side surface of the annular shell (608) at equal intervals in the circumferential direction, and tension springs (612) are fixedly connected between the supporting frames (611) and the piston (609).

7. The logging-while-drilling instrument with high-strength anti-seismic function for petroleum drilling as recited in claim 6, wherein: the limiting component comprises a second fixed shell (603), a sliding limiting block (604), a fifth spring (6041), a fixed frame (605), a rotating plate (606) and a sixth spring (607), the second fixed shell (603) is fixedly connected to the outer side face of the sliding circular shell (601), the inner side face of the second fixed shell (603) is connected with a sliding limiting block (604) in a sliding mode, a groove is formed in the middle of the sliding limiting block (604), a fifth spring (6041) is fixedly connected between the second fixed shell (603) and the sliding limiting block (604), the fixing frame (605) is fixedly connected to the inner side face of the outer drill collar (1), the lower portion of the fixing frame (605) is rotatably connected with a rotating plate (606), the inner end of the rotating plate (606) is arranged in a long strip mode, the inner end of the rotating plate (606) is matched with the groove of the sliding limiting block (604), the distance between the inner end of the rotating plate (606) and the rotating shaft is shorter than that between the outer end of the rotating plate and the outer end of the rotating shaft, and a sixth spring (607) is fixedly connected between the outer portion of the upper side face of the rotating plate (606) and the fixing frame (605).

8. The logging-while-drilling instrument with high-strength anti-seismic function for oil drilling according to claim 7, wherein: the groove of the sliding limiting block (604) is chamfered with an oblique angle, and the upper part and the lower part of the sliding limiting block (604) are chamfered with round corners.

9. The logging-while-drilling instrument with high-strength anti-seismic function for petroleum drilling as recited in claim 1, wherein: the sealing device is characterized by further comprising a circular tube (613), an annular frame (614), a third sliding rod (615), a seventh spring (616), a sealing shell (617) and a connecting plate (618), the left part and the right part of the annular shell (608) are respectively communicated with the circular tube (613), the outer side surface of the circular tube (613) is fixedly connected with the annular frame (614), the upper part and the lower part of the annular frame (614) are respectively and slidably connected with the third sliding rod (615), the outer side surface of the third sliding rod (615) is annularly sleeved with the seventh spring (616), two ends of the seventh spring (616) are respectively and fixedly connected with the annular frame (614) and the third sliding rod (615), the outer ends of the two circular tubes (613) are provided with the sealing shell (617), the sealing shell (617) is in sealing fit with the circular tube (613), the upper part and the lower part of the sealing shell (617) are respectively and fixedly connected with the connecting plate (618), and the connecting plate (618) is fixedly connected with the adjacent third sliding rod (615).

10. The logging-while-drilling instrument with high-strength anti-seismic function for oil drilling according to claim 9, wherein: the sealing shell (617) is in a frustum shape, and a round hole for air circulation is formed in the middle of the sealing shell (617).