CN217354315U

CN217354315U - Multipurpose shearing fishing wall hook

Info

Publication number: CN217354315U
Application number: CN202123292508.8U
Authority: CN
Inventors: 魏延庆; 刘峰; 李剑
Original assignee: Xinjiang Zhundong Petroleum Technology Co ltd
Current assignee: Xinjiang Zhundong Petroleum Technology Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-09-02
Anticipated expiration: 2031-12-25

Abstract

The utility model relates to a well drilling technical field is a salvage wall hook is cut to multipurpose, and it is including salvaging body and top connection, and the upper end of salvaging the body is connected with the top connection, and the inner chamber upper portion of top connection is equipped with the joint upper thread that can link to each other with the top tubular column, and the lower part front side of salvaging the body is amputated the part and is amputated, the body of salvaging of excision part top forms barrel section, the body of salvaging at excision part rear forms the section of salvaging the hook, and the inner chamber of salvaging the hook section is linked together through barrel section inner chamber and the inner chamber of top connection. The utility model has the advantages of reasonable and compact structure, convenient to use, its tensile strength is high, and the circulation is unobstructed, to generally dig down to salvage 2 to 6 times and just can all take out 2500 meters to 3000 meters cable in the pit, shortened construction cycle greatly, improved the production ageing, salvage the success rate height, provide effective guarantee for the oil well output increase, have safety, laborsaving, instrument consume few, processing cycle is short, salvage efficiency is higher, with low costs fast characteristics that take effect.

Description

Multipurpose shearing fishing wall hook

Technical Field

The utility model relates to a well drilling technical field is a multipurpose shearing salvages wall hook.

Background

After the electric pump of the electric pump well works for a long time, the electric pump easily falls off and falls off the well bottom due to aging or corrosion, when the electric pump falls off and falls off the well bottom, a cable also falls off the well bottom along with the electric pump, great difficulty is caused to later construction, the cable falling off the well bottom is generally salvaged by using a common fishing hook at present, the effect of single treatment of the fishing hook is not obvious, a plurality of times or even dozens of times of use cannot complete secondary tasks, or the construction speed of treating the underground cable by adopting a milling, drilling and grinding mode is low, the cost is wasted, the construction period is long, the production efficiency of oil extraction is low, and the construction cost is increased. Therefore, the existing fishing tool for fishing the electric pump well cable has the following defects in the actual use process: the construction period is long, the construction cost is high, time and labor are wasted, and the working efficiency is lower.

Disclosure of Invention

An object of the utility model is to provide a salvage wall hook is cuted to multipurpose has overcome above-mentioned prior art not enough, and it can effectively solve the construction cycle length that current salvage fishing tool that electric pump well cable used exists, construction cost is big, waste time and energy, the lower problem of work efficiency.

The purpose of the utility model is realized like this: a multipurpose shearing fishing wall hook comprises a fishing body and an upper connector, wherein the upper end of the fishing body is connected with the upper connector, the upper part of an inner cavity of the upper connector is provided with a connector upper thread which can be connected with an upper pipe column, the front side of the lower part of the fishing body is partially cut off, the fishing body above the cut-off part forms a barrel body section, the fishing body behind the cut-off part forms a fishing hook section, the inner cavity of the fishing hook section is communicated with the inner cavity of the upper connector through the inner cavity of the barrel body section, at least two left side hooks are formed on the left side edge of the fishing hook section, a left hook tip extending to the upper right is formed at the upper right end of the left side hook, at least one inverted U-shaped cutting groove is formed at the upper left end of the fishing hook section, and a middle fishing hook extending to the upper front is formed at the rear end of the fishing hook section, the lower extreme of fishing hook section is equipped with and leads the face under the fishing hook, lead the face under the fishing hook and be preceding high back low inclined plane or cambered surface, the downside that is located the left side hook of below links as an organic whole with the fishing hook under the face left part of leading, the downside that is located the right side hook of below links as an organic whole with fishing hook under the face right part of leading.

Furthermore, the lower end of the rear part of the lower guide surface of the fishing hook is provided with a grinding tooth, the right end of the grinding tooth protrudes out of the left lower end surface of the lower guide surface of the fishing hook and is provided with a grinding right edge facing to the right side, the left end of the grinding tooth extends to the left lower end surface of the lower guide surface of the fishing hook, and the grinding tooth is an alloy body completely composed of hard alloy particles or an alloy layer composed of hard alloy particles is arranged outside the grinding tooth.

Furthermore, the lower part of the inner cavity of the upper joint is provided with a lower joint thread, the upper part of the salvaging body is provided with a body external thread which can be matched with the lower joint thread, and the salvaging body is fixedly arranged on the lower part of the upper joint through the body external thread and the lower joint thread.

Furthermore, the lower side surfaces of the left side hook and the right side hook are inclined surfaces or arc surfaces with high front parts and low back parts, the number of the left side hooks is three or four, the left side hooks are arranged at intervals from top to bottom, and the distance S between every two adjacent left side hooks is from centimeter to centimeter; the quantity of right side hook is three or four and is upper and lower interval arrangement, and the side hook interval S between two adjacent right side hooks is centimetre to centimetre, and left side hook, right side hook are asymmetric arrangement.

Furthermore, the inverted U-shaped cutting groove is in a parabola shape with an opening facing to the right lower side, the lower end of the middle fishing hook is connected with the fishing body at the opening of the parabola shape into a whole, the outer edge of the upper part of the middle fishing hook is in a smooth parabola shape, and the upper end of the middle fishing hook is close to the axis of the inner cavity of the fishing body.

Furthermore, the number of the inverted U-shaped cutting grooves is two, the inverted U-shaped cutting grooves are arranged at intervals from top to bottom, and the cutting groove distance between every two adjacent inverted U-shaped cutting grooves is 25 cm-35 cm.

Further, the length of the left side hook, the right side hook and the middle fishing hook is 10 cm-12 cm, the width of the left side hook, the right side hook and the middle fishing hook is 6 cm-8 cm, and the thickness of the left side hook, the right side hook and the middle fishing hook is not less than 10.36 mm.

The utility model has the advantages of reasonable and compact structure, convenient to use, its tensile strength is high, and the circulation is unobstructed, to generally dig down to salvage 2 to 6 times and just can all take out 2500 meters to 3000 meters cable in the pit, shortened construction cycle greatly, improved the production ageing, salvage the success rate height, for the oil well increase production provides effective guarantee, have safety, laborsaving, instrument consumption less, processing cycle is short, salvage efficiency is higher, with low costs, take effect fast characteristics.

Drawings

The specific structure of the utility model is given by the following drawings and embodiments:

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

fig. 2 is a schematic diagram of the right-view structure of the preferred embodiment of the present invention.

Legend: 1 is the top connection, 2 is to connect the top thread, 3 is the barrel section, 4 is the fishing hook section, 5 is left side hook, 6 is left hook point, 7 is right side hook, 8 is right hook point, 9 is the grooving of falling the U-shaped, 10 is middle fishing hook, 11 is guide face under the fishing hook, 12 is the coping tooth, 13 is the coping right sword, 14 is the screw thread under the joint, 15 is the body external screw thread, 16 is trapezoidal through-hole, S is the side hook interval, L is the long size of hook, W is the wide size of hook, M is the thickness size, H is the grooving interval.

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.

Example (b): as shown in fig. 1-2, the multipurpose shearing fishing wall hook comprises a fishing body and an upper joint 1, the upper end of the fishing body is connected with the upper joint 1, the upper part of the inner cavity of the upper joint 1 is provided with an upper joint thread 2 capable of being connected with an upper pipe column, the front side of the lower part of the fishing body is partially cut off, the fishing body above the cut-off part forms a cylinder section 3, the fishing body behind the cut-off part forms a fishing hook section 4, the inner cavity of the fishing hook section 4 is communicated with the inner cavity of the upper joint 1 through the inner cavity of the cylinder section 3, the left side edge of the fishing hook section 4 is provided with at least two left side hooks 5, the right upper end of the left side hook 5 is provided with a left hook tip 6 extending to the right upper direction, the right side edge of the fishing hook section 4 is provided with at least two right side hooks 7, the left upper end of the right side hook 7 is provided with a right hook tip 8 extending to the left upper direction, the rear part of the fishing hook section 4 is provided with at least one inverted U-shaped cutting groove 9 and forms a middle fishing hook 10 extending to the front upper direction, the lower extreme of fishing hook section 4 is equipped with and drags for hook under leading face 11, guide face 11 is high back low inclined plane or cambered surface in the front under the fishing hook, and the downside that lies in left side hook 5 of below links as an organic whole with drags for hook under leading 11 left part, and the downside that lies in right side hook 7 of below links as an organic whole with drags for hook under leading 11 right part. The utility model discloses a screw thread 2 can be connected with the combination drilling tool of top through the drill collar on the joint, realize the instrument combination, through left side hook 5, right side hook 7 and well fishing hook 10 can effectively salvage the cable or fish, through 1 inner chamber intercommunication top tubular column inner chamber of barrel section 3 and top connection, salvage through fishing hook section 4 cable in the well, the intensity and the pulling force of neither weakening the instrument, enough circulation channel can also be reserved, tensile strength is usually at 30 tons to 35 tons, usually to 2500 meters to 3000 meters's cable, generally bore down and salvage 2 times to 6 times and just can fish out all cables in the well, salvage efficiency is higher, it is short to have the processing cycle, and is with low costs, it is fast to take effect, the characteristics of economic efficiency height. The utility model discloses through actual test and application, to the well at 2500 meters to 3000 meters, if use current ordinary fishhook to salvage, generally need 15 days to 20 days left and right sides, use the utility model discloses salvage, simple process, it is safe quick effective, generally can accomplish the whole salvages of cable that drops the shaft bottom in 6 days to 10 days, can practice thrift at every turn and drag for the hook, high-efficient junk mill, high-efficient milling shoes, salvage downhole tool such as blue, it is less to have the instrument consumption, the characteristics of labour saving and time saving, shortened construction cycle greatly, improved production timeliness, salvage success rate is high, for the oil well increase production provides effective guarantee to can effectively save the instrument expense, can used repeatedly many times after the investment.

As shown in fig. 1-2, a dressing tooth 12 is provided at the rear lower end of the lower guide surface 11 of the fishing hook, the right end of the dressing tooth 12 protrudes out of the left lower end surface of the lower guide surface 11 of the fishing hook and is provided with a dressing right blade 13 facing the right side, the left end of the dressing tooth 12 extends to the left lower end surface of the lower guide surface 11 of the fishing hook, the dressing tooth 12 is an alloy body completely composed of hard alloy particles, or an alloy layer composed of hard alloy particles is provided outside the dressing tooth 12. The alloy body of the trimming tooth 12 can be embedded and welded at the lower end of the rear part of the lower guide surface 11 of the fishing hook, the cutting force to cables or fish can be increased through the trimming tooth 12, and the cables can also be guided to enter the left side hook 5, the right side hook 7 or the middle fishing hook 10 to realize fishing. During actual manufacturing, a trapezoidal through hole 16 can be formed in the fishhook section 4 between the position below the lowest middle fishhook 10 and the grinding tooth 12, chip removal and cooling can be achieved through the trapezoidal through hole 16, and the using effect is better.

As shown in fig. 1-2, the lower part of the inner cavity of the upper joint 1 is provided with a lower joint thread 14, the upper part of the fishing body is provided with a body external thread 15 which can be matched with the lower joint thread 14, and the fishing body is fixedly arranged at the lower part of the upper joint 1 through the body external thread 15 and the lower joint thread 14. The upper joint 1 with different specifications and inner diameters and different lengths can be replaced through the body external thread 15, so that the upper joint is conveniently matched and connected with an upper pipe column, and the use is more convenient.

As shown in fig. 1-2, the lower side surfaces of the left side hook 5 and the right side hook 7 are inclined surfaces or arc surfaces with high front and low back, the number of the left side hooks 5 is three or four, the left side hooks are arranged at intervals up and down, and the distance S between the two adjacent left side hooks 5 is 20 cm to 25 cm; the number of the right side hooks 7 is three or four, the right side hooks are arranged at intervals from top to bottom, the distance S between every two adjacent right side hooks 7 is 20 cm to 25 cm, and the left side hooks 5 and the right side hooks 7 are arranged asymmetrically. The downside of left side hook 5, right side hook 7 is the low inclined plane or the cambered surface in preceding height back, can effectively guide the fish that falls, makes it hang and attaches on being left hook point 6 or the right hook point 8 of barb fishhook form, can further improve through asymmetric arrangement the utility model discloses a salvage ability effectively realizes attaching the salvage to hanging of cable or fish that falls, and the result of use is better.

As shown in fig. 1-2, the inverted U-shaped cutting groove 9 is in a parabolic shape with an opening facing to the right lower side, the lower end of the middle fishing hook 10 is connected with the fishing body at the opening of the parabolic shape into a whole, the outer edge of the upper part of the middle fishing hook 10 is in a smooth parabolic shape, and the upper end of the middle fishing hook 10 is close to the axis of the inner cavity of the fishing body.

As shown in fig. 1-2, the number of the inverted U-shaped slots 9 is two and the slots are arranged at intervals up and down, and the slot distance H between two adjacent inverted U-shaped slots 9 is 25 cm to 35 cm.

As shown in fig. 1-2, the hook length L of the left side hook 5, the right side hook 7, and the middle fishing hook 10 is 10 cm to 12 cm, the hook width W of the left side hook 5, the right side hook 7, and the middle fishing hook 10 is 6 cm to 8 cm, and the thickness M of the left side hook 5, the right side hook 7, and the middle fishing hook 10 is not less than 10.36 mm.

The foregoing description is by way of example only and is not intended as limiting the embodiments of the present invention. All obvious changes or variations which are introduced by the technical proposal of the utility model are still within the protection scope of the utility model.

Claims

1. The utility model provides a wall hook is salvaged in multipurpose shearing which characterized in that: the fishing tool comprises a fishing body and an upper joint, wherein the upper end of the fishing body is connected with the upper joint, the upper part of an inner cavity of the upper joint is provided with an upper joint thread which can be connected with an upper pipe column, the front side of the lower part of the fishing body is partially cut off, the fishing body above the cut-off part forms a barrel body section, the fishing body behind the cut-off part forms a fishing hook section, the inner cavity of the fishing hook section is communicated with the inner cavity of the upper joint through the inner cavity of the barrel body section, at least two left side hooks are formed on the left side edge of the fishing hook section, a left hook tip extending towards the upper right side is formed at the upper right end of the left side hook section, at least one inverted U-shaped cutting groove is formed at the rear part of the fishing hook section, a middle fishing hook extending towards the upper side is formed at the right side edge of the fishing hook section, the lower end of the fishing hook section is provided with a lower fishing hook guide surface, the lower guide surface of the fishing hook is an inclined surface or a cambered surface with a high front part and a low back part, the lower side surface of the left side hook positioned at the lowest part is connected with the left part of the lower guide surface of the fishing hook into a whole, and the lower side surface of the right side hook positioned at the lowest part is connected with the right part of the lower guide surface of the fishing hook into a whole.

2. A multi-purpose shear fishing wall hook as claimed in claim 1, wherein: the lower end of the rear part of the lower guide surface of the fishing hook is provided with a dressing tooth, the right end of the dressing tooth protrudes out of the left lower end surface of the lower guide surface of the fishing hook and is provided with a grinding right edge facing to the right side, the left end of the dressing tooth extends to the left lower end surface of the lower guide surface of the fishing hook, and the dressing tooth is an alloy body completely composed of hard alloy particles or an alloy layer composed of hard alloy particles is arranged outside the dressing tooth; or/and the lower part of the inner cavity of the upper joint is provided with a lower joint thread, the upper part of the salvaging body is provided with a body external thread which can be matched with the lower joint thread, and the salvaging body is fixedly arranged on the lower part of the upper joint through the body external thread and the lower joint thread.

3. A multi-purpose shear fishing wall hook as claimed in claim 1 or 2, wherein: the lower side surfaces of the left side hook and the right side hook are inclined surfaces or arc surfaces with high front parts and low back parts, the number of the left side hooks is three or four, the left side hooks are arranged at intervals from top to bottom, and the distance S between every two adjacent left side hooks is from centimeter to centimeter; the quantity of right side hook is three or four and is upper and lower interval arrangement, and the side hook interval S between two adjacent right side hooks is centimetre to centimetre, and left side hook, right side hook are asymmetric arrangement.

4. A multi-purpose shear fishing wall hook as claimed in claim 1 or 2, wherein: the reverse U-shaped cutting groove is in a parabola shape with an opening facing to the right lower part, the lower end of the middle fishing hook is connected with the fishing body at the opening part of the parabola shape into a whole, the outer edge of the upper part of the middle fishing hook is in a smooth parabola shape, and the upper end of the middle fishing hook is close to the axis of the inner cavity of the fishing body.

5. A multi-purpose shear fishing wall hook as claimed in claim 3, wherein: the reverse U-shaped cutting groove is in a parabola shape with an opening facing to the right lower part, the lower end of the middle fishing hook is connected with the fishing body at the opening part of the parabola shape into a whole, the outer edge of the upper part of the middle fishing hook is in a smooth parabola shape, and the upper end of the middle fishing hook is close to the axis of the inner cavity of the fishing body.

6. A multi-purpose shear fishing wall hook as claimed in claim 4, wherein: the quantity of the inverted U-shaped cutting grooves is two, the inverted U-shaped cutting grooves are arranged at intervals up and down, and the cutting groove distance between every two adjacent inverted U-shaped cutting grooves is 25 cm-35 cm.

7. A multi-purpose shear fishing wall hook as claimed in claim 5, wherein: the quantity of the inverted U-shaped cutting grooves is two, the inverted U-shaped cutting grooves are arranged at intervals up and down, and the cutting groove distance between every two adjacent inverted U-shaped cutting grooves is 25 cm-35 cm.

8. A multi-purpose shear fishing wall hook as claimed in claim 1 or 2 or 5 or 6 or 7, wherein: the length of the left side hook, the right side hook and the middle fishing hook is 10 cm-12 cm, the width of the left side hook, the right side hook and the middle fishing hook is 6 cm-8 cm, and the thickness of the left side hook, the right side hook and the middle fishing hook is not less than 10.36 mm.

9. A multi-purpose shear fishing wall hook as claimed in claim 3, wherein: the length of the left side hook, the right side hook and the middle fishing hook is 10 cm-12 cm, the width of the left side hook, the right side hook and the middle fishing hook is 6 cm-8 cm, and the thickness of the left side hook, the right side hook and the middle fishing hook is not less than 10.36 mm.

10. A multi-purpose shear fishing wall hook as claimed in claim 4, wherein: the length of the left side hook, the right side hook and the middle fishing hook is 10 cm-12 cm, the width of the left side hook, the right side hook and the middle fishing hook is 6 cm-8 cm, and the thickness of the left side hook, the right side hook and the middle fishing hook is not less than 10.36 mm.