CN212317913U

CN212317913U - Fishing device for drilling tool in well

Info

Publication number: CN212317913U
Application number: CN202020981600.1U
Authority: CN
Inventors: 殷阳洋; 吴大炜; 赵海龙; 白骏; 潘峰; 王世超
Original assignee: Liaoning Chemical Geological Exploration Institute Co ltd
Current assignee: Liaoning Chemical Geological Exploration Institute Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-01-08
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a fishing device for an in-well drilling tool, which comprises a hook ring, wherein the bottom of the hook ring is fixedly provided with a contraction rod, the bottom of the contraction rod is fixedly provided with a block, the bottom of the block is fixedly provided with a middle rotating shaft, and one side of the middle rotating shaft is movably provided with a left rotating shaft; this drilling tool fishing device in well, through being provided with left lifting hook, right lifting hook, the joint mouth, a spring, the device case, when using, at first install the joint mouth in one side of left lifting hook and right lifting hook, install the one side at the joint mouth that left lifting hook one side was seted up with the one end of spring, again with the other end joint of spring in one side of the joint mouth of right lifting hook side-mounting, when the device case pushes down, left lifting hook and right lifting hook can be to the position of the maximum diameter of both sides exhibition to the drilling tool, when the minimum diameter in joint drilling tool bottom, can snatch the drilling tool through the automatic shrink of spring.

Description

Fishing device for drilling tool in well

Technical Field

The utility model relates to a salvage apparatus technical field, more specifically say, the utility model relates to a drilling tool fishing device in well.

Background

The fishing device of the drilling tool in the well is used for drilling the bottom layer in a trial manner because the structure of the stratum can not be determined in the petroleum drilling, and the blocking condition frequently occurs in some well sections because the geological design is not accordant with the actual working condition; once the blockage situation occurs, the underground accidents such as drill rod breakage, drill bit falling and the like are usually caused, and then the drill bit is required to be salvaged by the fishing device of the drilling tool in the well.

The prior art has the following technical problems:

1. the existing fishing device for the drilling tool in the well can not salvage the drilling tool blocked when going down the well, and has certain defects because the diameter of the drilling tool is too large or the diameter of the drilling tool is smaller than the diameter of the fishing device for the drilling tool in the well.

2. The existing fishing device for the drilling tool in the well can not clamp the drilling tool automatically by pressing the lifting hook when fishing, needs manual operation, has certain danger and consumes time and labor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a drilling tool fishing device in well possesses and to snatch according to the size of drilling tool to and the accessible pushes down advantages such as automatic joint drilling tool of lifting hook, solved current drilling tool fishing device in well because of the diameter of drilling tool is too big or the diameter is less than unable problem of salvaging and can not be through pushing down automatic joint drilling tool.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an in-well drilling tool fishing device comprises a shackle, wherein a contraction rod is fixedly mounted at the bottom of the shackle, a stop block is fixedly mounted at the bottom of the contraction rod, a middle rotating shaft is fixedly mounted at the bottom of the stop block, a left rotating shaft is movably mounted at one side of the middle rotating shaft, a right rotating shaft at the other side of the middle rotating shaft is movably mounted at one side of the left rotating shaft, a fixed shaft is movably mounted at the lateral part of the right rotating shaft, a right movable rod at one side of the right rotating shaft is fixedly mounted at one side of the fixed shaft, a left movable rod at one side of the left rotating shaft is fixedly mounted at one side of the right movable rod, a left lifting hook is movably mounted at one side of the left lifting hook, a right lifting hook at one side of the right movable rod is movably mounted at one end of the right lifting hook, a fixed button is fixedly mounted at, the device case top fixed mounting has the connecting hole, the inside movable mounting of connecting hole has the lifting rope, the one end fixed mounting of lifting rope has the retainer plate, the round hole has been seted up to the lateral part of retainer plate, one side fixed mounting of round hole has the joint mouth that is located left lifting hook one side, one side fixed mounting of joint mouth has the spring.

Preferably, the contraction rod is made of steel, the bottom of the contraction rod is fixedly installed at the top of the block through welding, the bottom of the block is fixedly installed at the side part of the middle rotating shaft through welding, and the middle rotating shaft, the left rotating shaft and the right rotating shaft are fixedly installed through fixing shafts of the side parts.

Preferably, the one end of left side movable rod passes through welded fastening and installs in one side of left axis of rotation, the other end movable mounting of left side movable rod is in one side of left lifting hook, the one end of right side movable rod passes through welded fastening and installs in one side of right axis of rotation, the other end movable mounting of right side movable rod is in one side of right lifting hook.

Preferably, the equal fixed mounting in one side of left lifting hook and right lifting hook has the joint mouth, the one end fixed mounting of spring is in one side of left lifting hook one side fixed mounting at the joint mouth, the other end fixed mounting of spring is in one side of one side fixed mounting's of right lifting hook joint mouth.

Preferably, the one end of left lifting hook and right lifting hook all passes through fixed button fixed mounting in one side of device case, the couple has all been seted up to the other end of left lifting hook and right lifting hook.

Preferably, four round holes are formed in the side portion of the fixing ring, four connecting holes are fixedly mounted at the top of the device box, one end of the lifting rope is fixedly mounted at one side of the round hole formed in the side portion of the fixing ring, and the other end of the lifting rope is fixedly mounted at one side of the connecting hole fixedly mounted at the top of the device box.

(III) advantageous effects

Compared with the prior art, the utility model provides a drilling tool fishing device in well possesses following beneficial effect:

1. this drilling tool fishing device in well, through being provided with the shrink rod, the couple ring, the middle rotation axis, left side axis of rotation, right side axis of rotation, left side lifting hook and right lifting hook, at the during operation, at first the couple ring is installed at the top of shrink rod, cup joint the couple ring on the lifting hook of loop wheel machine, the rethread pushes down the shrink rod, make shrink rod bottom fixed mounting's middle rotation axis of rotation both sides movable mounting's left rotation axis and right rotation axis push down to parallel, make left lifting hook and right lifting hook open to both sides and snatch the too big drilling tool of diameter, perhaps through pulling up the shrink rod, make left lifting hook and right lifting hook draw in to the centre, snatch the drilling tool of diameter undersize, and make left lifting hook and right lifting hook at the in-process effectual reinforcement more that snatchs, prevent the landing.

2. This drilling tool fishing device in well, through being provided with left lifting hook, right lifting hook, the joint mouth, a spring, the device case, when using, at first there is the joint mouth in one side fixed mounting of left lifting hook and right lifting hook, with one end fixed mounting of spring in one side of the joint mouth that left lifting hook one side was seted up, again with the other end joint of spring in one side of the joint mouth of right lifting hook one side fixed mounting, when the device case pushes down, left side lifting hook and right lifting hook can be to the position of the maximum diameter of both sides exhibition to the drilling tool, at the minimum diameter in joint to drilling tool bottom, shrink after the exhibition through the spring and can snatch the drilling tool, very big its practicality that increases.

Drawings

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

FIG. 2 is a schematic view of the fixing ring structure of the present invention;

FIG. 3 is a schematic view of the structure of the rotating shaft of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 1A according to the present invention;

fig. 5 is a schematic structural diagram of fig. 1B according to the present invention.

The reference signs are: 1. a hook ring; 2. a retracting lever; 3. blocking; 4. a middle rotating shaft; 5. a left rotating shaft; 6. a right rotating shaft; 7. a fixed shaft; 8. a right movable bar; 9. a left movable bar; 10. a left lifting hook; 11. a right hook; 12. a fixing button; 13. a device case; 14. connecting holes; 15. a lifting rope; 16. a stationary ring; 17. a circular hole; 18. a card interface; 19. a spring.

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. 1-5, the fishing device for an in-well drilling tool comprises a hook ring 1, a retractable rod 2 is fixedly installed at the bottom of the hook ring 1, a stop block 3 is fixedly installed at the bottom of the retractable rod 2, a middle rotating shaft 4 is fixedly installed at the bottom of the stop block 3, the bottom of the stop block 3 is fixedly installed at the side portion of the middle rotating shaft 4 by welding, the middle rotating shaft 4, a left rotating shaft 5 and a right rotating shaft 6 are fixedly installed by a fixed shaft 7 at the side portion, a left rotating shaft 5 is movably installed at one side of the middle rotating shaft 4, a right rotating shaft 6 at the other side of the middle rotating shaft 4 is movably installed at one side of the left rotating shaft 5, a fixed shaft 7 is movably installed at the side portion of the right rotating shaft 6, a right movable rod 8 at one side of the right rotating shaft 6 is fixedly installed at one side of the fixed shaft 7, one end of the right movable rod 8 is fixedly, a left movable rod 9 positioned on one side of a left rotating shaft 5 is fixedly arranged on one side of a right movable rod 8, one end of the left movable rod 9 is fixedly arranged on one side of the left rotating shaft 5 through welding, the other end of the left movable rod 9 is movably arranged on one side of a left lifting hook 10, one side of the left movable rod 9 is movably arranged with a left lifting hook 10, one side of the left lifting hook 10 is movably arranged with a right lifting hook 11 positioned on one side of the right movable rod 8, one sides of the left lifting hook 10 and the right lifting hook 11 are both fixedly provided with a clamping port 18, one ends of the left lifting hook 10 and the right lifting hook 11 are both fixedly arranged on one side of a device box 13 through a fixed button 12, the other ends of the left lifting hook 10 and the right lifting hook 11 are both provided with hooks, one end of the right lifting hook 11 is fixedly provided with a fixed button 12, one side of the fixed button 12 is fixedly, one end fixed mounting of lifting rope 15 has retainer plate 16, and round hole 17 has been seted up to the lateral part of retainer plate 16, and one side fixed mounting of round hole 17 has the joint mouth 18 that is located left lifting hook 10 one side, and one side fixed mounting of joint mouth 18 has spring 19, and spring 19's one end fixed mounting is in one side of joint mouth 18 in left lifting hook 10 one side fixed mounting, and spring 19's other end fixed mounting is in one side of joint mouth 18 in right lifting hook 11 one side fixed mounting.

When in use, the device box 13 is integrally placed in a deep well, one side of the device box 13 is pressed down through the left lifting hook 10 and the right lifting hook 11 which are fixedly arranged through the fixing button 12, so that the hooks arranged at one ends of the left lifting hook 10 and the right lifting hook 11 are hung at two ends of a drill bit, fix for the first time through the spring, cup joint shackle 1 through 2 top fixed mounting of shrink pole again and rise on the hook of loop wheel machine, make 2 bottom fixed mounting's of shrink pole 4 both sides of middle rotating shaft pass through left movable rod of fixed axle fixed mounting and right movable rod one end fixed mounting's left lifting hook 10 and right lifting hook 11 press from both sides tightly to the centre once more, make the both ends of drill bit fix once more, hang in one side of retainer plate 16 through the other hook with the loop wheel machine again, it can to hoist the whole device case 13 of one end fixed mounting of the lifting rope 15 of the inside fixed mounting of round hole 17 that the retainer plate 16 lateral part was seted up.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Drilling tool fishing device in well, including shackle (1), its characterized in that: the bottom fixed mounting of couple ring (1) has shrink pole (2), the bottom fixed mounting of shrink pole (2) has the piece of hindering (3), the bottom fixed mounting that hinders piece (3) has well axis of rotation (4), one side movable mounting of well axis of rotation (4) has left axis of rotation (5), one side movable mounting of left axis of rotation (5) has the right axis of rotation (6) of the opposite side that is located well axis of rotation (4), the lateral part movable mounting of right axis of rotation (6) has fixed axle (7), fixed axle (7) one side fixed mounting has right movable rod (8) that is located right axis of rotation (6) one side, one side fixed mounting of right movable rod (8) has left movable rod (9) that is located left axis of rotation (5) one side, one side movable mounting of left movable rod (9) has left lifting hook (10), one side movable mounting of left lifting hook (10) has right lifting hook (11) that is located right movable rod (8) one side, the one end fixed mounting of right side lifting hook (11) has fixed button (12), one side fixed mounting of fixed button (12) has device case (13), device case (13) top fixed mounting has connecting hole (14), the inside movable mounting of connecting hole (14) has lifting rope (15), the one end fixed mounting of lifting rope (15) has retainer plate (16), round hole (17) have been seted up to the lateral part of retainer plate (16), one side fixed mounting of round hole (17) has joint mouth (18) that is located left lifting hook (10) one side, one side fixed mounting of joint mouth (18) has spring (19).

2. The downhole drilling tool fishing device of claim 1, wherein: shrink pole (2) adopt steel to make, the bottom of shrink pole (2) is passed through welded fastening and is installed at the top that hinders piece (3), the bottom that hinders piece (3) is passed through welded fastening and is installed the lateral part at well pivot (4), left-hand member axle (5), right-hand member axle (6) carry out fixed mounting through fixed axle (7) of lateral part.

3. The downhole drilling tool fishing device of claim 1, wherein: the one end of left side movable rod (9) is passed through welded fastening and is installed in one side of left axis of rotation (5), the other end movable mounting of left side movable rod (9) is in one side of left lifting hook (10), the one end of right side movable rod (8) is through welded fastening and install in one side of right axis of rotation (6), the other end movable mounting of right side movable rod (8) is in one side of right lifting hook (11).

4. The downhole drilling tool fishing device of claim 1, wherein: the equal fixed mounting in one side of left side lifting hook (10) and right lifting hook (11) has joint interface (18), the one end fixed mounting of spring (19) is in one side of joint interface (18) in left side lifting hook (10) one side fixed mounting, the other end fixed mounting of spring (19) is in one side of joint interface (18) of one side fixed mounting of right lifting hook (11).

5. The downhole drilling tool fishing device of claim 1, wherein: the one end of left side lifting hook (10) and right lifting hook (11) all is in one side of device case (13) through fixed button (12), the couple has all been seted up to the other end of left side lifting hook (10) and right lifting hook (11).

6. The downhole drilling tool fishing device of claim 1, wherein: four round holes (17) are formed in the side portion of the fixing ring (16), four connecting holes (14) are fixedly mounted at the top of the device box (13), one end of the lifting rope (15) is fixedly mounted at one side of the round hole (17) formed in the side portion of the fixing ring (16), and the other end of the lifting rope (15) is fixedly mounted at one side of the connecting hole (14) fixedly mounted at the top of the device box (13).