CN212454341U

CN212454341U - Fishing device of wireless while-drilling instrument in petroleum drilling

Info

Publication number: CN212454341U
Application number: CN202020559097.0U
Authority: CN
Inventors: 崔昇
Original assignee: Taiyuan University of Science and Technology
Current assignee: Taiyuan University of Science and Technology
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2021-02-02
Anticipated expiration: 2030-04-16

Abstract

The utility model discloses a wireless fishing device of following drill instrument in oil drilling relates to oil drilling technical field, which comprises an outer sleeve, the fixed the inlaying of interior roof of overcoat has the piston, the first expanding spring of interior roof fixedly connected with of piston, the first piston rod of bottom fixedly connected with of first expanding spring, the bottom surface fixedly connected with endotheca of first piston rod, two symmetrical clamping mechanism of lower part fixedly connected with of endotheca surface, two symmetrical adsorption apparatus of lower part fixedly connected with of overcoat inner wall construct, the interior roof fixedly connected with magnet of endotheca. The utility model relates to a rational in infrastructure, it can be through setting up clamping mechanism for the surface of fishing head is by the joint, makes the fixed effect of fishing head better, through setting up adsorption apparatus structure, makes the lower part of fishing head surface fixed, and then makes the fishing of fishing head more stable, and adsorption apparatus structure's setting possesses certain cushioning effect simultaneously.

Description

Fishing device of wireless while-drilling instrument in petroleum drilling

Technical Field

The utility model relates to an oil drilling technical field specifically is a fishing device of wireless instrument while drilling in oil drilling.

Background

Petroleum is one of the main objects of geological exploration, and is a viscous and dark brown liquid, the upper part of the crust has petroleum storage, and the petroleum is mainly used as gasoline and fuel oil and is also a raw material of a plurality of chemical industry products, such as solution, fertilizer, plastic, pesticide and the like.

Need use wireless instrument while drilling among the oil drilling process, it is installed in the drilling tool, follows the drilling tool and carries out the transmission of data in the pit, when wireless instrument while drilling breaks down, need salvage with the help of fishing device, current fishing device is because inside buffering is not enough or fixed knot constructs unstablely for fishing device causes wireless instrument while drilling and fishing device to break away from mutually when salvaging wireless instrument while drilling and bumping, influences the salvage progress. Therefore, the fishing device for the wireless while-drilling instrument in the petroleum drilling is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing a fishing device of wireless instrument while drilling in oil drilling in order to remedy prior art not enough.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a fishing device of a wireless drilling instrument in oil drilling comprises an outer sleeve, wherein a piston is fixedly embedded in the inner top wall of the outer sleeve, a first telescopic spring is fixedly connected to the inner top wall of the piston, a first piston rod is fixedly connected to the bottom end of the first telescopic spring, an inner sleeve is fixedly connected to the bottom surface of the first piston rod, two symmetrical clamping mechanisms are fixedly connected to the lower portion of the outer surface of the inner sleeve, two symmetrical U-shaped through grooves are formed in the outer sleeve, the upper ends of the two U-shaped through grooves are respectively and fixedly communicated with the outer surface of the piston, two symmetrical adsorption mechanisms are fixedly connected to the lower portion of the inner wall of the outer sleeve, the lower ends of the U-shaped through grooves are fixedly communicated with the outer surface of the adsorption mechanisms, a magnet is fixedly connected to the inner top wall of the inner sleeve, a fishing head is placed in the inner sleeve, and the upper end of the outer surface of the, an iron block is fixedly embedded in the fishing head.

Further, the clamping mechanism includes the fixture block, the inner wall of endotheca is seted up flutedly, the inside wall fixedly connected with second expanding spring of recess, the one end that the recess was kept away from to second expanding spring is connected with the surface fixed connection of fixture block, the through-hole has been seted up to the inside wall of recess, the dead lever has been placed to the inside of through-hole, the left end of dead lever run through the through-hole and with the right flank fixed connection of fixture block, the right-hand member of dead lever run through the through-hole and extend to the outside of through-hole.

Furthermore, two symmetrical square grooves are formed in the lower portion of the inner wall of the outer sleeve, and the square grooves are matched with the pull rod.

Further, adsorption apparatus constructs including the sucking disc, a side that is close to the fishing head of sucking disc adsorbs with the surface of fishing head mutually, a side fixedly connected with second piston rod of fishing head is kept away from to the sucking disc, the circular slot has been seted up to the lower part of overcoat inner wall, a side fixedly connected with third expanding spring of sucking disc is kept away from to the second piston rod, the inner wall fixed connection of one end and the circular slot that the second piston rod was kept away from to the third expanding spring.

Furthermore, a rubber layer is arranged at the fixed connection position of the magnet and the inner sleeve, and the bottom surface of the magnet is matched with the upper surface of the fishing head.

Further, the fixed articulated connector that has of upper surface of overcoat, first expanding spring is compression state, the second expanding spring is natural state, the third expanding spring is tensile state.

Thirdly), the beneficial effects are as follows:

compared with the prior art, the fishing device of the wireless while-drilling instrument in the petroleum drilling has the following beneficial effects:

one, the utility model discloses a set up latch mechanism, the fixture block promptly, a groove, second expanding spring and dead lever, make the surface of fishing head by the joint, make the fixed effect of fishing head better, through setting up the square groove, and make square groove and dead lever looks adaptation, when the fixture block is to the inside shrink of recess, the flexible of dead lever of being convenient for, avoid the dead lever to touch with the inner wall of overcoat, and then influence latch mechanism's joint process, through setting up adsorption equipment, the sucking disc promptly, the circular slot, second piston rod and third expanding spring, make the lower part of fishing head surface fixed, and then make fishing head salvage more stable, adsorption equipment's setting possesses certain cushioning effect simultaneously.

Two, the utility model discloses a set up magnet and iron plate, have certain guide effect to the upper surface of salvaging the head, design the magnet bottom surface for with salvage first upper surface looks adaptation for the magnet bottom surface and the absorption area of contact maximize of salvaging first upper surface, through setting up piston, U type through groove and circular slot, make the inside of air accessible U type recess inflow circular slot in the piston, make the fixed more stable of the surface of salvaging the head.

Drawings

FIG. 1 is a schematic view of the front view cross section of the fishing device of the wireless while-drilling instrument in oil drilling of the utility model;

FIG. 2 is a schematic view of the front view structure of the fishing device of the wireless while-drilling instrument in oil drilling of the utility model;

FIG. 3 is a schematic view of the front cross-sectional structure of the clamping mechanism of the present invention;

fig. 4 is a schematic view of the front section structure of the adsorption mechanism of the present invention.

In the figure: 1. a jacket; 2. a piston; 3. a first extension spring; 4. a first piston rod; 5. an inner sleeve; 6. a clamping mechanism; 7. a U-shaped through groove; 8. an adsorption mechanism; 9. a magnet; 10. fishing the head; 11. an iron block; 12. a clamping block; 13. a groove; 14. a second extension spring; 15. a through hole; 16. pulling a rod; 17. a square groove; 18. a suction cup; 19. a second piston rod; 20. a circular groove; 21. a third extension spring; 22. a rubber layer; 23. a connecting head.

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.

As shown in fig. 1-4, the utility model provides a technical solution: a fishing device of a wireless drilling instrument in oil drilling comprises an outer sleeve 1, wherein a piston 2 is fixedly embedded in the inner top wall of the outer sleeve 1, a first telescopic spring 3 is fixedly connected to the inner top wall of the piston 2, a first piston rod 4 is fixedly connected to the bottom end of the first telescopic spring 3, an inner sleeve 5 is fixedly connected to the bottom surface of the first piston rod 4, two symmetrical clamping mechanisms 6 are fixedly connected to the lower portion of the outer surface of the inner sleeve 5, two symmetrical U-shaped through grooves 7 are formed in the outer sleeve 1, the upper ends of the two U-shaped through grooves 7 are respectively and fixedly communicated with the outer surface of the piston 2, two symmetrical adsorption mechanisms 8 are fixedly connected to the lower portion of the inner wall of the outer sleeve 1, the lower ends of the U-shaped through grooves 7 are fixedly communicated with the outer surface of the adsorption mechanisms 8, a magnet 9 is fixedly connected to the inner top wall of the inner sleeve 5, a fishing head 10 is placed in the inner sleeve 5, an iron block 11 is fixedly embedded in the fishing head 10.

Further, latch mechanism 6 includes fixture block 12, recess 13 has been seted up to the inner wall of endotheca 5, recess 13's inside wall fixedly connected with second expanding spring 14, recess 13's one end and fixture block 12's surface fixed connection are kept away from to second expanding spring 14, through-hole 15 has been seted up to recess 13's inside wall, dead man 16 has been placed to the inside of through-hole 15, the left end of dead man 16 run through the through-hole 15 and with fixture block 12's right flank fixed connection, dead man 16's right-hand member runs through the through-hole 15 and extends to the outside of through-hole 15. The outer surface of the fishing head 10 is clamped, and the fixing effect of the fishing head 10 is better.

Furthermore, two symmetrical square grooves 17 are formed in the lower portion of the inner wall of the outer sleeve 1, and the square grooves 17 are matched with the pull rod 16. When the clamping block 12 is contracted towards the inside of the groove 13, the pulling rod 16 is convenient to stretch, and the pulling rod 16 is prevented from touching the inner wall of the outer sleeve 1, so that the clamping process of the clamping mechanism 6 is influenced.

Further, adsorption apparatus 8 includes sucking disc 18, and a side that is close to fishing head 10 of sucking disc 18 adsorbs with fishing head 10's surface mutually, and a side fixedly connected with second piston rod 19 of fishing head 10 is kept away from to sucking disc 18, and circular slot 20 has been seted up to the lower part of 1 inner wall of overcoat, and a side fixedly connected with third expanding spring 21 of sucking disc 18 is kept away from to second piston rod 19, and the one end that second piston rod 19 was kept away from to third expanding spring 21 and the inner wall fixed connection of circular slot 20. The lower part of the outer surface of the fishing head 10 is fixed, so that the fishing of the fishing head 10 is more stable, and meanwhile, the adsorption mechanism 8 is arranged to have a certain buffer effect.

Further, a rubber layer 22 is arranged at the fixed connection position of the magnet 9 and the inner sleeve 5, and the bottom surface of the magnet 9 is matched with the upper surface of the fishing head 10. The rubber layer 22 has a certain buffer function, and the bottom surface of the magnet 9 is arranged to maximize the adsorption contact area between the bottom surface of the magnet 9 and the upper surface of the fishing head 10.

Further, the upper surface of the outer sleeve 1 is fixedly hinged with a connector 23, the first extension spring 3 is in a compressed state, the second extension spring 14 is in a natural state, and the third extension spring 21 is in a stretched state. The device has stable structure, can automatically reset and is more convenient for operators to use.

The working principle is as follows: the steel wire rope and the connector 23 are fixed, the bottom of the petroleum drilling well is placed downwards, namely, the fishing device is positioned on the upper surface of the fishing head 10, the upper end of the fishing head 10 penetrates through the inner sleeve 5 under the action of gravity and extends into the inner sleeve 5, at the moment, the second expansion spring 14 is changed from a natural state to a compressed state and then is changed from the compressed state to the natural state, namely, the clamping mechanism 6 is clamped with the outer surface of the fishing head 10, meanwhile, under the action of the magnet 9, the upper surface of the fishing head 10 is adsorbed with the bottom surface of the magnet 9, when the fishing device is continuously placed downwards, the inner sleeve 5 drives the first piston rod 4 to move upwards, at the moment, the first expansion spring 3 is changed from the natural state to the compressed state, air in the piston 2 flows into the circular groove 20 through the U-shaped through groove 7, so that the second piston rod 19 drives the sucker 18 to move towards the direction far away from the inner wall of the, at this time, the third expanding spring 21 is changed from the natural state to the stretched state, and the end of the suction cup 18 away from the second piston rod 19 is attracted to the outer surface of the fishing head 10, so that the fishing of the fishing head 10 is more stable.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 fishing device of wireless instrument while drilling in oil drilling, includes overcoat (1), its characterized in that: the inner wall of the outer sleeve (1) is fixedly inlaid with a piston (2), the inner wall of the piston (2) is fixedly connected with a first telescopic spring (3), the bottom end of the first telescopic spring (3) is fixedly connected with a first piston rod (4), the bottom surface of the first piston rod (4) is fixedly connected with an inner sleeve (5), the lower part of the outer surface of the inner sleeve (5) is fixedly connected with two symmetrical clamping mechanisms (6), two symmetrical U-shaped through grooves (7) are formed in the outer sleeve (1), the upper ends of the two U-shaped through grooves (7) are respectively fixedly communicated with the outer surface of the piston (2), the lower part of the inner wall of the outer sleeve (1) is fixedly connected with two symmetrical adsorption mechanisms (8), the lower ends of the U-shaped through grooves (7) are fixedly communicated with the outer surface of the adsorption mechanisms (8), and the inner wall of the inner sleeve (5) is fixedly connected with a magnet (9), the fishing head (10) is placed in the inner sleeve (5), the upper end of the outer surface of the fishing head (10) is clamped with the outer surfaces of the two clamping mechanisms (6), and an iron block (11) is fixedly embedded in the fishing head (10).

2. The fishing device of the wireless while-drilling instrument in the oil drilling according to claim 1, characterized in that: clamping mechanism (6) include fixture block (12), the inner wall of endotheca (5) is seted up fluted (13), the inside wall fixedly connected with second expanding spring (14) of recess (13), the one end that recess (13) were kept away from in second expanding spring (14) is connected with the external fixed surface of fixture block (12), through-hole (15) have been seted up to the inside wall of recess (13), dead man (16) have been placed to the inside of through-hole (15), the left end of dead man (16) run through-hole (15) and with the right flank fixed connection of fixture block (12), the right-hand member of dead man (16) runs through-hole (15) and extends to the outside of through-hole (15).

3. The fishing device of the wireless while-drilling instrument in the oil drilling according to claim 2, characterized in that: two symmetrical square grooves (17) are formed in the lower portion of the inner wall of the outer sleeve (1), and the square grooves (17) are matched with the pull rod (16).

4. The fishing device of the wireless while-drilling instrument in the oil drilling according to claim 1, characterized in that: adsorption equipment (8) are including sucking disc (18), a side that is close to fishing head (10) of sucking disc (18) adsorbs with the surface of fishing head (10) mutually, a side fixedly connected with second piston rod (19) of fishing head (10) are kept away from in sucking disc (18), circular slot (20) have been seted up to the lower part of overcoat (1) inner wall, a side fixedly connected with third expanding spring (21) of sucking disc (18) are kept away from in second piston rod (19), the inner wall fixed connection of one end and circular slot (20) of second piston rod (19) are kept away from in third expanding spring (21).

5. The fishing device of the wireless while-drilling instrument in the oil drilling according to claim 1, characterized in that: a rubber layer (22) is arranged at the fixed connection position of the magnet (9) and the inner sleeve (5), and the bottom surface of the magnet (9) is matched with the upper surface of the fishing head (10).