CN212296284U

CN212296284U - Integrated anti-hanging unlocking device

Info

Publication number: CN212296284U
Application number: CN202020935508.1U
Authority: CN
Inventors: 张耀先; 雷华才; 何宜辉; 刘登兵; 付光军; 程洪伟; 夏铭莉; 王晓凤; 刘丽; 刘爱国
Original assignee: China National Petroleum Corp; CNPC Xibu Drilling Engineering Co Ltd
Current assignee: China National Petroleum Corp; CNPC Xibu Drilling Engineering Co Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-01-05
Anticipated expiration: 2030-05-28

Abstract

The utility model relates to a well drilling fishing tool technical field is an integral type prevents hanging unlocker, and it includes unlocker barrel and snap ring, and the unlocker barrel upper end is narrow wide frustum form down, and the unlocker barrel outside is equipped with the breach of lining up from top to bottom along its axis direction, is equipped with the threading through-hole in the unlocker barrel, and the threading through-hole includes line hole, first step hole, second step hole, third step hole, fourth step hole and frustum hole from top to bottom in proper order, and the frustum hole is narrow wide frustum form down. The utility model has the advantages of reasonable and compact structure, high durability and convenient use, it makes unlocking ware barrel lower part cover on the jack catch of throwing dragging for the ware through the guide effect in narrow frustum hole down wide, fix the jack catch of dragging for the ware through third step hole and loosen wireless measurement while drilling instrument, unlocking ware barrel integrated into one piece need not to use the bolt, can fundamentally stop the bolt not hard up and the long problem of assemble duration, save time during the equipment more, have safety, laborsaving, simple and convenient, efficient characteristics.

Description

Integrated anti-hanging unlocking device

Technical Field

The utility model relates to a well drilling fishing tool technical field is an integral type prevents hanging unlocking ware.

Background

At present, an unlocking device of a throwing and fishing device of a wireless measurement while drilling instrument has potential safety hazards, the conical hanging prevention head of the unlocking device is usually loosened by a fixing screw due to vibration in a descending process, the hanging prevention head falls off to cause the accident that the throwing and fishing device and a cable are blocked in a drilling tool, and the loosening of the fixing screw and the falling prevention head often occur in use. In addition, because the conical anti-hanging head and the locking ring have more fixing screws, the assembly process is more complicated, longer time is needed, the fastest time is more than 8 minutes, and a drilling tool cannot be moved during assembly, so that underground complexity and drilling tool jamming accidents are easily caused, and great difficulty is brought to fishing, maintenance, putting, unlocking and withdrawing work.

Disclosure of Invention

The utility model provides an unlocking ware is prevented hanging by integral type has overcome above-mentioned prior art not enough, and its equipment that can effectively solve the more existence of unlocking ware set screw of current fishing device wastes time and energy and set screw is not hard up to cause prevents that the hanging head drops the problem of the fishing device, cable card brill that cause.

The technical scheme of the utility model is realized through following measure: an integrated anti-hanging unlocking device comprises an unlocking device cylinder body and a clamping ring, wherein the upper end of the unlocking device cylinder body is in a frustum shape with a narrow top and a wide bottom, a gap which is vertically communicated along the axis direction of the unlocking device cylinder body is arranged on the outer side of the unlocking device cylinder body, a threading through hole is arranged in the unlocking device cylinder body, the threading through hole sequentially comprises a line hole, a first step hole, a second step hole, a third step hole, a fourth step hole and a frustum hole from top to bottom, the frustum hole is in a frustum shape with a narrow top and a wide bottom, the inner diameters of the line hole, the first step hole, the second step hole and the third step hole are sequentially increased, the inner diameter of the fourth step hole is smaller than that of the third step hole, the minimum inner diameter of the frustum hole is the same as that of the fourth step hole, at least one outer ring groove is arranged on the outer side of the unlocking device cylinder body, and the clamping ring capable; the projection of the unlocking device barrel body at the bottom is a first projection area, the projection of the notch at the bottom is a second projection area, the projection of the clamping ring positioned in the notch is a third projection area, and the third projection area is completely covered by the superposition of the first projection area and the second projection area.

The following are further optimization or/and improvement of the technical scheme of the utility model:

the device also comprises a fixing column, the clamping ring is a C-shaped ring, the inner sides of the opening ends of the clamping ring are respectively and fixedly provided with the fixing column, fixing holes which are communicated with the inside and the outside are respectively formed in the unlocking device barrel corresponding to the positions of the fixing columns, and the inner ends of the fixing columns are located in the fixing holes.

The cylinder body of the unlocking device can be distributed with internally and externally communicated circulation holes.

At least two groups of hole groups can be distributed on the unlocking device cylinder body at intervals along the vertical direction, each group of hole groups comprises at least two circulation holes which are uniformly distributed along the circumference of the unlocking device cylinder body, and the circulation holes in every two groups of hole groups which are adjacent up and down are distributed in a staggered manner in the circumferential direction.

At least one slurry hole which is communicated up and down can be distributed on the unlocking device cylinder body corresponding to the upper end position of the first step hole along the circumference.

Four slurry holes which are communicated up and down can be uniformly distributed on the unlocking device cylinder body corresponding to the upper end position of the first step hole along the circumference.

The outer side of the upper part of the unlocking device cylinder body can be provided with an outer ring groove, and the outer side of the lower part of the unlocking device cylinder body is provided with an outer ring groove.

The utility model has the advantages of reasonable and compact structure, high durability and convenient use, it makes unlocking ware barrel lower part cover on the jack catch of throwing dragging for the ware through the guide effect in narrow frustum hole down wide, fix the jack catch of dragging for the ware through third step hole and loosen wireless measurement while drilling instrument, unlocking ware barrel integrated into one piece need not to use the bolt, can fundamentally stop the bolt not hard up and the long problem of assemble duration, save time during the equipment more, have safety, laborsaving, simple and convenient, efficient characteristics.

Drawings

Fig. 1 is a schematic sectional view of the preferred embodiment of the present invention.

FIG. 2 is an enlarged sectional view at A-A of FIG. 1.

Fig. 3 is a schematic top view enlarged in structure of fig. 1.

Fig. 4 is a partial sectional structural view of fig. 1 in an operating state.

The codes in the figures are respectively: the unlocking device comprises an unlocking device barrel 1, a clamping ring 2, a notch 3, a line hole 4, a first stepped hole 5, a second stepped hole 6, a third stepped hole 7, a fourth stepped hole 8, a frustum hole 9, a fixing column 10, a circulation hole 11, a slurry hole 12, a clamping jaw 13, an inverse hook part 14 and a fixing hole 15.

Detailed Description

The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.

In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.

The invention will be further described with reference to the following examples and drawings:

as shown in attached figures 1, 2, 3 and 4, the integrated anti-hanging unlocking device comprises an unlocking device cylinder body 1 and a clamping ring 2, the upper end of the unlocking device cylinder body 1 is in a frustum shape with a narrow top and a wide bottom, a gap 3 which is communicated up and down along the axial direction of the unlocking device cylinder body 1 is arranged on the outer side of the unlocking device cylinder body 1, a threading through hole is arranged in the unlocking device cylinder body 1, the threading through hole sequentially comprises a line hole 4 and a first step hole 5 from top to bottom, the unlocking device comprises a second stepped hole 6, a third stepped hole 7, a fourth stepped hole 8 and a frustum hole 9, wherein the frustum hole 9 is in a frustum shape with a narrow top and a wide bottom, the inner diameters of a line hole 4, a first stepped hole 5, the second stepped hole 6 and the third stepped hole 7 are sequentially increased, the inner diameter of the fourth stepped hole 8 is smaller than that of the third stepped hole 7, the minimum inner diameter of the frustum hole 9 is the same as that of the fourth stepped hole 8, at least one outer annular groove is arranged on the outer side of the unlocking device barrel body 1, and clamping rings 2 capable of sealing gaps 3 at the positions are arranged in the outer annular grooves; the projection of the unlocking device barrel 1 at the bottom is a first projection area, the projection of the notch 3 at the bottom is a second projection area, the projection of the clamping ring 2 positioned in the notch 3 is a third projection area, and the third projection area is completely covered by the superposition of the first projection area and the second projection area.

The utility model discloses can be used to put into the ware of dragging for and wireless measurement while drilling unblock and will drag for the ware and promote the ware of dragging for to the well outside, with the utility model discloses be equipped with the jack catch 13 that can inwards draw in on the ware of dragging for that uses cooperatively, and jack catch 13 upper portion can get into unlocking ware barrel 1 through frustum hole 9 and block in third step hole 7, jack catch 13 upper portion is pushed radial shrinkage by unlocking ware barrel 1 lower extreme inboard after getting into unlocking ware barrel 1, makes its lower part outwards open and realize that the ware of dragging for and wireless measurement while drilling separates; when in use, the cable in the fishing device is firstly put into the unlocking device barrel body 1 from the gap 3, the cable is gathered at the wire hole 4, then the snap ring 2 is clamped, the cable is prevented from jumping out from the gap 3 and the wire hole 4 when lifting and falling, the utility model is ensured to always lift or fall along the cable, at the moment, the assembly of the utility model is completed, then the utility model is put down, the cable freely falls along the cable, when the lower end of the utility model falls to the upper end of the claw 13, the utility model is sheathed on the claw 13 on the fishing device by the guiding function of the cone table hole 9, because of the gravity action when the utility model falls, the upper part of the claw 13 can be gradually compressed inwards in the falling process, thereby the lower part of the utility model loosens the wireless measurement instrument while drilling, and the upper part of the claw 13 is clamped in the third step hole 7 by the reverse hook part 14 of the claw 13, so that the utility model is connected with the fishing device, finally, the utility model and the throwing and fishing device are lifted together through a cable; the upper end of the unlocking device barrel 1 is in a frustum shape with a narrow upper part and a wide lower part, so that the unlocking device barrel is prevented from being hooked by steps in a drilling tool when the unlocking device barrel and the throwing and fishing device are lifted together, and the superposition of the first projection area and the second projection area completely covers the third projection area, so that the unlocking device barrel is prevented from generating steps, the lifting process is smoother, the damage risk of a winch and other potential safety hazards caused by the hooking of the unlocking device barrel are reduced; the utility model discloses need not to fix with the help of the bolt, fundamentally has solved the not hard up problem of bolt that arouses because the vibration to practice thrift the equipment time greatly, had safety, laborsaving, simple and convenient, efficient characteristics.

According to requirements, the width of the notch 3 can be 9mm, and the outer diameter of the cable can be accommodated; the diameter of the wire hole 4 can be 20mm, the diameter of the wire hole 4 is larger than the gap 3, the relatively larger diameter of the wire hole 4 has the function of avoiding the blockage of the utility model caused by the broken wire of the cable when the utility model is lowered or lifted, and simultaneously has the function of guiding, thus avoiding the utility model from being hooked by steps in the drilling tool; the total length of the utility model can be 980mm, the total length of the utility model is larger than the distance from the upper end of the rope cap of the throwing and fishing device to the middle part of the clamping claw 13, so that the utility model can be lowered to the unlocking position, and the upper end of the unlocking device barrel 1 can play the role of guiding and preventing hanging; the cylinder 11 of the unlocking device can be made of stainless steel, and when the unlocking device is used, due to the fact that slurry exists underground, the stainless steel is stable and is not prone to chemical reaction underground, corrosion and rusting are avoided, and the service life of the unlocking device is prolonged.

The integrated anti-hanging unlocking device can be further optimized or/and improved according to actual needs:

as shown in fig. 1, 2, 3 and 4, the unlocking device further comprises a fixing column 10, the snap ring 2 is a C-shaped ring, the fixing column 10 is fixedly installed on the inner side of the opening end of the snap ring 2, fixing holes 15 which are communicated with the inside and the outside are formed in the unlocking device barrel 1 corresponding to the fixing column 10, and the inner end of the fixing column 10 is located in the fixing hole 15. When using, snap ring 2 itself has elasticity, but the environment is complicated in the pit, can avoid snap ring 2 because of through setting up fixed column 10 on snap ring 2 the utility model discloses the problem of vibration and slippage.

As shown in fig. 1, 2, 3 and 4, the inside and outside through circulation holes 11 are distributed on the cylinder body 11 of the unlocking device. When using, through setting up circulation hole 1110, can alleviate the utility model discloses a weight reduces its whereabouts when to itself and the collision degree of throwing and dragging for the ware to can be convenient for mud discharge.

As shown in fig. 1, 2, 3 and 4, at least two groups of hole groups are distributed on the unlocking device cylinder 1 at intervals along the vertical direction, each group of hole groups comprises at least two circulation holes 11 uniformly distributed along the circumference of the unlocking device cylinder 1, and the circulation holes 11 in every two groups of hole groups which are adjacent up and down are distributed in a staggered way along the circumferential direction. In the use, through such setting, can alleviate the utility model discloses its intensity is guaranteed on the basis of weight.

As shown in fig. 1, 2, 3 and 4, at least one slurry hole 12 which is through up and down is distributed on the unlocking device cylinder 1 corresponding to the upper end position of the first step hole 5 along the circumference. After putting the utility model discloses, its whereabouts in-process because 4 diameter ratios in line hole unlocking ware barrel 1 internal diameters are little, get into the mud discharge in the 1 upper portion of unlocking ware barrel slower, consequently set up mud hole 12 and discharge from the upper end fast for the mud of pouring into.

As shown in fig. 1, 2, 3 and 4, four slurry holes 12 which are vertically through are uniformly distributed on the unlocking device cylinder 1 corresponding to the upper end position of the first step hole 5 along the circumference. Through the arrangement, the mud can be discharged quickly, and the descending resistance is reduced.

As shown in fig. 1, 2, 3 and 4, the outer side of the upper part of the cylinder body 1 of the unlocking device is provided with an outer ring groove, and the outer side of the lower part of the cylinder body 1 of the unlocking device is provided with an outer ring groove.

Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.

Claims

1. An integrated anti-hanging unlocking device is characterized by comprising an unlocking device cylinder body and a clamping ring, wherein the upper end of the unlocking device cylinder body is in a frustum shape with a narrow top and a wide bottom, a notch which is vertically communicated along the axis direction of the unlocking device cylinder body is arranged on the outer side of the unlocking device cylinder body, a threading through hole is arranged in the unlocking device cylinder body, the threading through hole sequentially comprises a wire hole, a first step hole, a second step hole, a third step hole, a fourth step hole and a frustum hole from top to bottom, the frustum hole is in a frustum shape with a narrow top and a wide bottom, the inner diameters of the wire hole, the first step hole, the second step hole and the third step hole are sequentially increased, the inner diameter of the fourth step hole is smaller than that of the third step hole, the minimum inner diameter of the frustum hole is the same as that of the fourth step hole, at least one outer ring groove is arranged on the outer side of the unlocking device cylinder body, and the clamping ring capable; the projection of the unlocking device barrel body at the bottom is a first projection area, the projection of the notch at the bottom is a second projection area, the projection of the clamping ring positioned in the notch is a third projection area, and the third projection area is completely covered by the superposition of the first projection area and the second projection area.

2. The integrated anti-hanging unlocking device according to claim 1, further comprising fixing posts, wherein the snap ring is a C-shaped ring, the fixing posts are respectively fixedly mounted on the inner sides of the open ends of the snap ring, fixing holes which are internally and externally communicated are respectively formed in the unlocking device barrel body corresponding to the positions of the fixing posts, and the inner ends of the fixing posts are located in the fixing holes.

3. The integrated anti-hanging unlocking device according to claim 1 or 2, wherein the unlocking device cylinder is distributed with internally and externally communicated circulation holes.

4. The integrated anti-hang unlocking device as claimed in claim 3, wherein at least two groups of hole sets are distributed on the unlocking device barrel body at intervals along the vertical direction, each group of hole sets comprises at least two circulation holes uniformly distributed along the circumference of the unlocking device barrel body, and the circulation holes in every two groups of hole sets which are adjacent up and down are distributed in a staggered manner in the circumferential direction.

5. The integrated anti-hanging unlocking device according to claim 1, 2 or 4, wherein at least one slurry hole which is through up and down is distributed on the unlocking device cylinder body corresponding to the upper end position of the first step hole along the circumference.

6. The integrated anti-hanging release lock according to claim 3, wherein at least one slurry hole penetrating up and down is circumferentially distributed on the release lock cylinder body corresponding to the upper end position of the first stepped hole.

7. The integrated anti-hanging unlocking device according to claim 5, wherein four slurry holes are uniformly distributed on the unlocking device cylinder body corresponding to the upper end position of the first step hole and are communicated up and down.

8. The integrated anti-hanging unlocking device according to claim 6, wherein four slurry holes are uniformly distributed on the unlocking device cylinder body corresponding to the upper end position of the first step hole and are communicated up and down.

9. The integrated anti-hang lock release device as claimed in claim 1, 2, 4, 6, 7 or 8, wherein the outer side of the upper part of the lock release cylinder is provided with an outer ring groove, and the outer side of the lower part of the lock release cylinder is provided with an outer ring groove.

10. The integrated anti-snag and unlock device of claim 5, wherein an outer circumferential groove is formed on an outer side of an upper portion of the unlock cylinder, and an outer circumferential groove is formed on an outer side of a lower portion of the unlock cylinder.