CN218624200U

CN218624200U - Drilling-while-drilling tester shock absorber capable of preventing drilling fluid from scouring

Info

Publication number: CN218624200U
Application number: CN202223146912.9U
Authority: CN
Inventors: 姚欣宇; 侯家玉; 黄亚琳; 吴雨
Original assignee: Individual
Current assignee: Zhang Da
Priority date: 2022-11-26
Filing date: 2022-11-26
Publication date: 2023-03-14
Anticipated expiration: 2032-11-26

Abstract

The utility model discloses a drilling-while-drilling measuring instrument shock absorber for preventing drilling fluid from scouring, which comprises a drilling measuring instrument, wherein the drilling measuring instrument is arranged inside a shell, and a damping mechanism is arranged inside the shell; the damping mechanism comprises a bent plate, a rubber ring, a rope, a round block, a bent rod and a spring; the outer wall interference fit of bent plate has the rubber circle, the outer wall rigid coupling of rubber circle is at the outside inner wall of casing. Compared with the traditional technology, the shock absorber of the measurement while drilling instrument for preventing the drilling fluid from being washed has the following advantages: through boring surveying appearance, a housing, the bent plate, the rubber circle, the rack, the gear, the riser, the line wheel, the rope, the circle piece, cooperation between bent rod and the spring, the rubber circle seals the gap between bent plate and the casing, prevents that the drilling fluid from getting into the casing and erodeing and bore the survey appearance, prevents to bore the survey appearance because the erodeing of drilling fluid is ageing, solved current survey appearance bumper shock absorber while drilling when using, can not prevent that the drilling fluid from erodeing for the easy ageing problem of survey appearance bumper shock absorber while drilling.

Description

Drilling-while-drilling tester shock absorber capable of preventing drilling fluid from scouring

Technical Field

The utility model relates to a drilling fluid erodees is prevented and is followed boring appearance bumper shock absorber technical field, specifically is a drilling fluid erodees is prevented and is followed boring appearance bumper shock absorber.

Background

The measurement while drilling technology is widely applied to exploration of oil and gas fields, the measurement while drilling is that a measuring instrument is arranged at the upper end of a drill bit, various information of a stratum can be obtained while drilling, and the application of the measurement while drilling technology can be used for logging wells in most conditions, particularly horizontal wells.

However, when the existing shock absorber of the measurement-while-drilling instrument is used, the problem that the shock absorber of the measurement-while-drilling instrument is easy to age due to the fact that drilling fluid can not be prevented from being washed away is solved, and when the existing shock absorber of the measurement-while-drilling instrument is used, the connection part of a cable and a measuring instrument is easy to break.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a along with boring appearance bumper shock absorber that prevents drilling fluid erodees to current along with boring appearance bumper shock absorber that proposes in solving above-mentioned background art can not prevent that drilling fluid from erodeing when using, makes along with boring the easy ageing problem of appearance bumper shock absorber.

In order to achieve the above purpose, the utility model provides a following technical scheme: the measurement while drilling instrument shock absorber for preventing drilling fluid from scouring comprises a drilling instrument, wherein the drilling instrument is arranged in a shell, and a shock absorption mechanism is arranged in the shell;

the damping mechanism comprises a curved plate, a rubber ring, a rack, a gear, a vertical plate, a wire wheel, a rope, a round block, a curved rod and a spring;

the outer wall interference fit of bent plate has the rubber circle, the outer wall rigid coupling of rubber circle is at the outside inner wall of casing, the inboard rigid coupling of bent plate has the rack, the rack links to each other with gear engagement, the gear rotates with the riser through the round pin axle and links to each other, the outside rigid coupling of riser is at the inner wall of casing, the rigid coupling has the line wheel in the middle of the front end of gear, the outer wall winding of line wheel is connected with the rope, the outside rigid coupling of rope has the pole, the rigid coupling has the curved bar in the middle of the front end of pole, the outside of curved bar is rotated with the riser through the round pin axle and is linked to each other, the outside rigid coupling of curved bar has the spring, the outside rigid coupling of spring is at the outside front end of riser. The rubber ring seals the gap between the bent plate and the shell, prevents drilling fluid from entering the shell to scour the drilling and measuring instrument, and prevents the drilling and measuring instrument from being aged due to scouring of the drilling fluid.

Preferably, a sleeve is fixedly connected to the inner wall in the middle of the upper portion of the shell, and a rubber pad is fixedly connected to the inner wall in the middle of the upper portion of the sleeve. The sleeve fixes the rubber pad.

Preferably, the top end of the drilling measuring instrument is electrically connected with an external power supply through a cable, and the outer wall of the cable is in interference fit with the inner wall of the middle of the rubber pad. The rubber pad is sealed to the gap between cable and the sleeve, and external power supply supplies power to the brill survey appearance through the cable, makes brill survey appearance work, detects information.

Preferably, a fixing mechanism is installed on the outer side of the cable;

the fixing mechanism comprises a crank block, a sleeve block, a sliding groove, a transverse block, a clamping block and a rubber ball;

the inboard of bent piece is laminated with the outer wall of cable mutually, the outside rigid coupling of bent piece has the cover piece, the inner wall outside rigid coupling of cover piece has the slider, slider and spout slip joint, the outside inner wall at the crosspiece is seted up to the spout, the outside rigid coupling of crosspiece is at telescopic inner wall, the inner wall rigid coupling of cover piece has three clamp splice, the equal rigid coupling in the outside of clamp splice has the rubber ball, the equal rigid coupling in the outside of rubber ball has the clamp splice, the equal rigid coupling in the outside of clamp splice is at the inner wall of crosspiece. Elasticity through three rubber ball makes the bent block reset and presss from both sides tight cable root, avoids the cable root rupture.

Preferably, a connecting mechanism is arranged below the drilling and measuring instrument;

the connecting mechanism comprises a drill rod, a bolt and a groove;

the utility model discloses a drilling device, including casing, drilling rod, inner wall, bolt, inboard of bolt, the laminating of the middle inner wall in the top of drilling rod and the laminating of the middle inner wall in the below of casing, the laminating of the middle inner wall in the top of drilling rod has the brill appearance, the top outside inner wall clearance fit of drilling rod has the bolt, the inboard of bolt is laminated with the below outer wall of boring the appearance mutually, the outside of bolt and the below inner wall threaded connection of casing, the outside clearance fit of bolt is fluted, the recess is seted up at the below outside inner wall of casing. The bolt moves inwards in the shell, penetrates through the drill rod and abuts against the drilling measuring instrument, so that the drill rod is connected with the drilling measuring instrument, and the use is convenient.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the traditional technology, the shock absorber of the measurement while drilling instrument for preventing the drilling fluid from being washed has the following advantages:

through the matching of the drilling measuring instrument, the shell, the bent plate, the rubber ring, the rack, the gear, the vertical plate, the wire wheel, the rope, the round block, the bent rod and the spring, the rubber ring seals a gap between the bent plate and the shell, so that drilling fluid is prevented from entering the shell to wash the drilling measuring instrument, the drilling measuring instrument is prevented from aging due to the washing of the drilling fluid, and the problem that the conventional damper of the drilling measuring instrument cannot be prevented from washing the drilling fluid when in use, and the damper of the drilling measuring instrument is easy to age is solved;

through the matching between the drilling measuring instrument, the shell, the sleeve, the rubber pad, the cable, the damping mechanism and the fixing mechanism, the root of the cable applies outward force to the curved block, the curved block drives the sleeve block to move outward, the sleeve block slides outward in the sliding groove on the transverse block through the sliding block, the sleeve block drives the three clamping blocks to move outward, the corresponding rubber balls abut against the clamping blocks in the transverse block to be compressed, otherwise, the curved block resets through the elasticity of the three rubber balls to clamp the root of the cable, the root of the cable is prevented from being broken, and the problem that the joint of the cable and the measuring instrument is easy to break when the existing vibration damper of the drilling measuring instrument is used is solved;

through the cooperation between brill survey appearance, casing and the coupling mechanism, make the bolt of both sides at the recess internal rotation, the bolt rotates in the casing, and the bolt removes to the inboard in the casing, passes the drilling rod and supports tightly on boring the survey appearance, makes the drilling rod be connected with boring the survey appearance, and convenient to use has solved current survey appearance bumper shock absorber along with boring, is not convenient for be connected with the drilling rod for inconvenient problem.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the rack, pinion and crank of FIG. 1;

fig. 4 is a schematic view of the structure of the cable, rubber pad and sleeve of fig. 1.

In the figure: 1. the drilling and measuring instrument comprises a drilling and measuring instrument, 2, a shell, 3, a sleeve, 4, a damping mechanism, 401, a curved plate, 402, a rubber ring, 403, a rack, 404, a gear, 405, a vertical plate, 406, a reel, 407, a rope, 408, a round block, 409, a curved rod, 410, a spring, 5, a fixing mechanism, 501, a curved block, 502, a sleeve block, 503, a sliding block, 504, a sliding groove, 505, a transverse block, 506, a clamping block, 507, a rubber ball, 6, a connecting mechanism, 601, a drill rod, 602, a bolt, 603, a groove, 7, a rubber pad, 8 and a cable.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a shock absorber of a measurement while drilling instrument for preventing drilling fluid from being washed comprises a measurement while drilling instrument 1, wherein the measurement while drilling instrument 1 is installed inside a shell 2, the measurement while drilling instrument 1 is a common drilling detection instrument on the market, a damping mechanism 4 is installed inside the shell 2, the damping mechanism 4 comprises a curved plate 401, a rubber ring 402, a rack 403, a gear 404, a riser 405, a reel 406, a rope 407, a round block 408, a curved rod 409 and a spring 410, the outer wall of the curved plate 401 is in interference fit with the rubber ring 402, the outer wall of the rubber ring 402 is fixedly connected to the inner wall of the outer side of the shell 2, the rubber ring 402 seals a gap between the curved plate 401 and the shell 2 to prevent drilling fluid from entering the shell 2 to wash the measurement while drilling instrument 1, the rubber ring 402 is made of a fluororubber material, the rack 403 is fixedly connected to the inner side of the curved plate 401, the rack 403 is meshed with the gear 404, the gear 404 is rotatably connected with the riser 405 through a pin shaft, when the curved plate 401 is stressed, the curved plate 401 drives the rack 403 to move inwards, the gear 404 is rotated on the vertical plate 405 through a pin shaft by the meshing force between the rack 403 and the gear 404, the outer side of the vertical plate 405 is fixedly connected with the inner wall of the shell 2, a reel 406 is fixedly connected with the middle of the front end of the gear 404, the outer wall of the reel 406 is wound and connected with a rope 407, the gear 404 drives the reel 406 to rotate so that the rope 407 is wound on the outer wall of the reel 406, a round block 408 is fixedly connected with the outer side of the rope 407, a curved rod 409 is fixedly connected with the middle of the front end of the round block 408, the outer side of the curved rod 409 is rotatably connected with the vertical plate 405 through a pin shaft, a spring 410 is fixedly connected with the outer side of the curved rod 409, the outer side of the spring 410 is fixedly connected with the front end of the outer side of the vertical plate 405, the rope 407 moves outwards to pull the curved rod 409 through the round block 408 so that the curved rod 409 rotates on the vertical plate 405 through a pin shaft, the curved rod 409 rotates to stretch the spring 410, otherwise, the curved plate 401 can be reset through the elasticity of the spring 410, play the shock attenuation effect, to the brill survey appearance 1 protection in the casing 2.

The inner wall rigid coupling has sleeve 3 in the middle of the top of casing 2, and the inner wall rigid coupling has rubber pad 7 in the middle of the top of sleeve 3, and sleeve 3 fixes rubber pad 7, and rubber pad 7 is made by the fluororubber material.

The top of brill survey appearance 1 is passed through cable 8 and external power supply electric connection, and the outer wall of cable 8 and the middle inner wall interference fit of rubber pad 7, rubber pad 7 are sealed to the gap between cable 8 and the sleeve 3, and external power supply passes through cable 8 and surveys 1 power supplies to the brill, makes brill survey 1 work of appearance, detection information.

The fixing mechanism 5 is installed on the outer side of the cable 8, the fixing mechanism 5 comprises a curved block 501, a sleeve block 502, a sliding block 503, a sliding groove 504, a transverse block 505, a clamping block 506 and a rubber ball 507, the inner side of the curved block 501 is attached to the outer wall of the cable 8, the root of the cable 8 applies outward force to the curved block 501, the sleeve block 502 is fixedly connected to the outer side of the curved block 501, the sliding block 503 is fixedly connected to the outer side of the inner wall of the sleeve block 502, the sliding groove 504 is in sliding clamping connection with the sliding groove 504, the sliding groove 504 is arranged on the inner wall of the outer side of the transverse block 505, the sleeve block 501 drives the sleeve block 502 to move outward, the sleeve block 502 slides outward in the sliding groove 504 on the transverse block 505 through the sliding block 503, the sliding groove 504 prevents the sliding block 503 from derailing, the outer side of the transverse block 505 is fixedly connected to the inner wall of the sleeve 3, the inner wall of the sleeve block 502 is fixedly connected with the three clamping blocks 506, the outer side of the clamping block 506 is fixedly connected to the rubber ball 507, the outer side of the clamping block 506 is fixedly connected to the inner wall of the transverse block 505, the clamping block 502 drives the three clamping blocks 506 to break, and the elastic ball 507 to clamp the root of the cable 505, and the elastic clamping block 501 to prevent the elastic clamping block from being clamped by the elastic ball 507.

The connection mechanism 6 is installed below the drilling measuring instrument 1, the connection mechanism 6 comprises a drill rod 601, a bolt 602 and a groove 603, the upper outer wall of the drill rod 601 is attached to the lower middle inner wall of the shell 2, the contact position of the shell 2 and the drill rod 601 is made of rubber materials, the sealing performance is guaranteed, the drilling measuring instrument 1 is attached to the upper middle inner wall of the drill rod 601, the drilling measuring instrument 1 detects data information in a drilling well along with the drill rod 601, the bolt 602 is in clearance fit with the upper outer side inner wall of the drill rod 601, the inner side of the bolt 602 is attached to the lower outer wall of the drilling measuring instrument 1, the outer side of the bolt 602 is in threaded connection with the lower inner wall of the shell 2, the groove 603 is in clearance fit with the outer side of the bolt 602, the groove 603 is formed in the lower outer side inner wall of the shell 2, the bolt 602 rotates in the shell 2, the bolt 602 moves inside the shell 2 and passes through the drill rod 601 to be tightly abutted to the drilling measuring instrument 1, the drill rod 601 so that the drill rod 601 is connected with the drilling measuring instrument 1, and the bolt 602 is in sealed connection with the shell 2.

When the drilling-while-drilling instrument shock absorber for preventing drilling fluid from scouring is used, firstly, bolts 602 on two sides rotate in grooves 603 manually, the bolts 602 rotate in a shell 2, the bolts 602 move inwards in the shell 2 and are abutted against a drilling instrument 1 after penetrating through a drill rod 601, the drill rod 601 is connected with the drilling instrument 1, the force applied by the root of a cable 8 to the outside of a curved block 501 is applied, the curved block 501 drives a sleeve block 502 to move outwards, the sleeve block 502 slides outwards in a sliding groove 504 on a transverse block 505 through a sliding block 503, the sleeve block 502 drives three clamping blocks 506 to move outwards, corresponding rubber balls 507 are abutted against the clamping blocks 506 in the transverse block 505 to be compressed, otherwise, the curved block 501 resets and clamps the root of the cable 8 through the elasticity of the three rubber balls 507, and the root of the cable 8 is prevented from being broken, external power supply passes through cable 8 and supplies power to brill survey appearance 1, make brill survey appearance 1 work, detect information, bent plate 401 drives rack 403 and moves to the inboard when bent plate 401 atress, meshing force through between rack 403 and the gear 404 makes gear 404 rotate on riser 405 through the round pin axle, gear 404 drives line wheel 406 and rotates messenger's rope 407 winding around the outer wall of line wheel 406, rope 407 moves to the outside and pulls the curved bar 409 through circle 408 and makes curved bar 409 rotate on riser 405 through the round pin axle, curved bar 409 rotates and makes spring 410 tensile, otherwise can make curved plate 401 reset through the elasticity of spring 410, play the shock attenuation effect, to the protection of brill survey appearance 1 in the casing 2, and rubber circle 402 seals the gap between bent plate 401 and casing 2, prevent that the drilling fluid from getting into casing 2 and erode brill survey appearance 1.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent drilling fluid erodees along with boring appearance bumper shock absorber, includes and bores appearance (1), its characterized in that: the drilling and measuring instrument (1) is arranged inside the shell (2), and the damping mechanism (4) is arranged inside the shell (2);

the damping mechanism (4) comprises a curved plate (401), a rubber ring (402), a rack (403), a gear (404), a vertical plate (405), a reel (406), a rope (407), a round block (408), a curved rod (409) and a spring (410);

the outer wall interference fit of bent plate (401) has rubber circle (402), the outer wall rigid coupling of rubber circle (402) is at the outside inner wall of casing (2), the inboard rigid coupling of bent plate (401) has rack (403), rack (403) link to each other with gear (404) meshing, gear (404) rotate with riser (405) through the round pin axle and link to each other, the outside rigid coupling of riser (405) is at the inner wall of casing (2), rigid coupling has line wheel (406) in the middle of the front end of gear (404), the outer wall winding of line wheel (406) is connected with rope (407), the outside rigid coupling of rope (407) has circle piece (408), the rigid coupling has curved bar (409) in the middle of the front end of circle piece (408), the outside of curved bar (409) rotates with riser (405) through the round pin axle and links to each other, the outside rigid coupling of curved bar (409) has spring (410), the outside rigid coupling of spring (410) is at the outside front end of riser (405).

2. The shock absorber of the MWD tool of claim 1, wherein the shock absorber includes: the inner wall rigid coupling has sleeve (3) in the middle of the top of casing (2), inner wall rigid coupling has rubber pad (7) in the middle of the top of sleeve (3).

3. The while drilling tool shock absorber of claim 1, wherein the shock absorber comprises: the top end of the drilling and measuring instrument (1) is electrically connected with an external power supply through a cable (8), and the outer wall of the cable (8) is in interference fit with the middle inner wall of the rubber pad (7).

4. The shock absorber of the MWD tool of claim 3, wherein the shock absorber includes: a fixing mechanism (5) is arranged on the outer side of the cable (8);

the fixing mechanism (5) comprises a curved block (501), a sleeve block (502), a sliding block (503), a sliding groove (504), a transverse block (505), a clamping block (506) and a rubber ball (507);

the inboard of bent piece (501) is laminated with the outer wall of cable (8) mutually, the outside rigid coupling of bent piece (501) has cover piece (502), the inner wall outside rigid coupling of cover piece (502) has slider (503), slider (503) and spout (504) slip joint, the outside inner wall at horizontal piece (505) is seted up in spout (504), the outside rigid coupling of horizontal piece (505) is at the inner wall of sleeve (3), the inner wall rigid coupling of cover piece (502) has three clamp splice (506), the equal rigid coupling in the outside of clamp splice (506) has rubber ball (507), the equal rigid coupling in the outside of rubber ball (507) has clamp splice (506), the equal rigid coupling in the inner wall of horizontal piece (505) in the outside of clamp splice (506).

5. The shock absorber of the MWD tool of claim 1, wherein the shock absorber includes: a connecting mechanism (6) is arranged below the drilling measuring instrument (1);

the connecting mechanism (6) comprises a drill rod (601), a bolt (602) and a groove (603);

laminating mutually in the middle of the below of the top outer wall of drilling rod (601) and casing (2), the laminating of the top middle inner wall of drilling rod (601) has brill and surveys appearance (1), the top outside inner wall clearance fit of drilling rod (601) has bolt (602), the inboard of bolt (602) laminates with the below outer wall that bores and survey appearance (1), the outside of bolt (602) and the below inner wall threaded connection of casing (2), the outside clearance fit of bolt (602) is fluted (603), the below outside inner wall in casing (2) is seted up in recess (603).