CN217129477U - Well-falling tool fishing device with oil fishing rope cap head - Google Patents
Well-falling tool fishing device with oil fishing rope cap head Download PDFInfo
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- CN217129477U CN217129477U CN202220921159.7U CN202220921159U CN217129477U CN 217129477 U CN217129477 U CN 217129477U CN 202220921159 U CN202220921159 U CN 202220921159U CN 217129477 U CN217129477 U CN 217129477U
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Abstract
The utility model discloses a well-dropping tool fishing device with a fishing oil rope cap head, wherein the upper port of a guide shoe sleeve is provided with a conical female thread, a connecting plug is screwed in the conical female thread, and the upper end surface of the connecting plug is symmetrically provided with two plug lifting lugs extending upwards; the lower part of the central hole of the guide shoe sleeve is provided with a throat, the aperture of the throat is larger than the outer diameter of the oil fishing cap head, the upper part of the throat is provided with a sleeve inner conical surface with a large upper part and a small lower part, and a sleeve horn mouth with a narrow upper part and a wide lower part is arranged from the lower part of the throat to the lower port; the lower terminal surface of connecting the end cap is equipped with downwardly extending's end cap center post, and the lower extreme cover of end cap center post is equipped with a slip section of thick bamboo, and the upper end welding of a slip section of thick bamboo has the spring race, supports between the lower terminal surface of spring race and connection end cap has the spring, and the lower extreme of a slip section of thick bamboo evenly is equipped with the slips that extend along the circumference, and the lower extreme of each slips is equipped with the slips bayonet socket that can block fishing oil rope cap neck portion respectively. The device adopts soft fishing technique, can be convenient and fast ground will fall the well instrument and salvage the well, labour saving and time saving.
Description
Technical Field
The utility model relates to a well instrument fishing device falls especially relates to a well instrument fishing device falls of oil rope cap head is dragged for in area, belongs to oil fishing appurtenance technical field.
Background
The periphery of the main production area of the oil field is distributed with oil-containing blocks with low reserves, low permeability and low yield, which are called 'three-low' oil fields. In order to reduce the production capacity investment and the operation cost and improve the development benefit of the peripheral low-permeability oil field, oil fishing operation is usually adopted.
The oil bailing vehicle is common oil bailing equipment in an oil field and comprises a base, wherein a motor, a speed reducer and a roller are installed on the base, the motor drives the roller to rotate through the speed reducer, a steel wire rope is wound on the roller, and the steel wire rope bypasses an overhead pulley and then goes down along a well hole to be connected with an oil pump or other oil bailing tools. The top of the oil fishing tool is provided with an oil fishing rope cap head so as to be connected with a steel wire rope.
After the oil fishing operation is carried out for a long time, the steel wire rope is easy to break or fall off, and the oil fishing tool falls into the well. After the oil fishing tool falls into the well, the oil pipe is traditionally arranged through an operating team, the bottom of the oil pipe is connected with the fishing tool, and underground falling objects are fished hard. The cost required by hard fishing each time exceeds 5 ten thousand yuan, the time is at least more than 3 days, and the time and the labor are wasted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that exists among the prior art, provide a well instrument fishing device that falls who drags for oil rope cap head in area, can adopt soft fishing technique, the well is salvaged, labour saving and time saving to the well instrument that falls that will drag for oil rope cap head in convenient and fast ground will take.
In order to solve the technical problem, the fishing device of the well-dropping tool with the oil fishing rope cap head comprises a guide shoe sleeve, wherein the upper port of the guide shoe sleeve is provided with a conical female thread, a connecting plug is screwed in the conical female thread, and two plug lifting lugs extending upwards are symmetrically arranged on the upper end surface of the connecting plug; the lower part of a central hole of the guide shoe sleeve is provided with a throat, the aperture of the throat is larger than the outer diameter of the oil fishing rope cap head, the upper part of the throat is provided with a sleeve inner conical surface with a large upper part and a small lower part, and a sleeve horn mouth with a narrow upper part and a wide lower part is arranged from the lower part of the throat to the lower port; the lower terminal surface of connecting the end cap is equipped with downwardly extending's end cap center post, the lower extreme cover of end cap center post is equipped with a slip section of thick bamboo, the upper end welding of a slip section of thick bamboo has the spring race, the spring race with it has the spring to connect to support between the lower terminal surface of end cap, the lower extreme of a slip section of thick bamboo evenly is equipped with the slips that extend along the circumference, and the lower extreme of each slips is equipped with the slips bayonet socket that can block fishing oil rope cap neck portion respectively.
As the improvement of the utility model, each the bottom outside of slips bayonet socket is equipped with the gib head external conical surface respectively, each gib head external conical surface respectively with the internal conical surface phase-match of sleeve.
As a further improvement of the utility model, the bottom of each slip bayonet socket is respectively provided with a hook head inner conical surface with a wide lower part and a narrow upper part.
As a further improvement, the top of the oil rope fishing cap head is provided with a cap head upper conical surface, and the neck top of the oil rope fishing cap head is provided with a cap head lower conical surface.
As a further improvement, the slips are symmetrically provided with two pieces.
As a further improvement of the utility model, the periphery of the middle lower part of the slip is embedded with an elastic ring.
As a further improvement, the top of connecting the end cap is connected with the weight rod, the top center of weight rod is connected at the lower extreme of salvaging wire rope, the bottom center of weight rod is equipped with single journal stirrup, single journal stirrup is pegged graft connect between the two end cap lugs of end cap upper end and the pinhole aligns, and the round pin axle makes both continuous in inserting the pinhole of end cap lug and single journal stirrup.
Compared with the prior art, the utility model discloses following beneficial effect has been obtained: can utilize original oil bailing equipment just can accomplish and salvage, and high efficiency. The upper part of the device is normally connected with a weighting rod of a common oil fishing tool, the lower part of the device is provided with a guide shoe in a horn mouth shape, the tool is convenient to introduce a rope cap head of an underground falling object, the tool is downwards extended by utilizing the gravity of the weighting rod of the oil fishing tool, a slip is introduced into the rope cap head of the guide shoe and is acted by the jacking force of the rope cap head, the slip upwards moves along the inner cone surface of a sleeve of the guide shoe sleeve, the slip mouth is enlarged, the head of the rope cap head passes through a slip mouth, the slip returns to the initial position under the action of elasticity, the diameter of the head of the rope cap head is large, the diameter of the neck is small, so the slip firmly hangs the head and the neck of the rope cap, and meanwhile, a steel wire rope can be lifted, and a tool set falling into a well is fished out. By adopting the tool, the oil fishing teams and groups can directly carry out soft fishing by utilizing the oil fishing vehicle, the cost is within 3000 yuan, the time is two hours, and the time and the labor are saved.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description, which are provided for reference and illustration purposes only and are not intended to limit the invention.
FIG. 1 is a state diagram of the utility model during fishing;
fig. 2 is a state diagram of the utility model after the fishing is successful.
In the figure: 1. connecting a plug; 1a, a plug lifting lug; 1b, a plug central column; 2. a guide sleeve; 2a, a sleeve inner conical surface; 2b, a bell mouth of the sleeve; 3. a spring; 4. a spring retainer; 5. a slip cylinder; 5a, clamping a slip bayonet; 6. an oil fishing tool; 6a, fishing out the oil rope cap head; 7. an elastic ring.
Detailed Description
As shown in fig. 1, the utility model discloses area drags for well tool fishing device that falls of oil rope hat head is including connecting end cap 1, guide sleeve 2 and a slips section of thick bamboo 5, and guide sleeve 2's up end is equipped with toper box thread, has connect in the toper box thread to connect end cap 1 soon, and the up end symmetry of connecting end cap 1 is equipped with two end cap lugs 1a that upwards extend. The top of connecting end cap 1 is connected with the weight rod, and the top center of weight rod is connected at the lower extreme of salvaging wire rope, and the bottom center of weight rod is equipped with single journal stirrup, and single journal stirrup is pegged graft between two end cap lugs 1a of connecting end cap 1 upper end and the pinhole aligns, and the round pin axle inserts in the pinhole of end cap lug 1a and single journal stirrup and makes both link to each other.
The lower part of the central hole of the guide shoe sleeve 2 is provided with a throat, and the aperture of the throat is larger than the outer diameter of the wick fishing cap 6a, so that the wick fishing cap 6a can conveniently enter. The upper part of the throat is provided with a sleeve inner conical surface 2a with a large upper part and a small lower part, and a sleeve horn mouth 2b with a narrow upper part and a wide lower part is arranged from the lower part of the throat to the lower end mouth.
The lower terminal surface of connecting end cap 1 is equipped with downwardly extending's end cap center post 1b, and the lower extreme cover of end cap center post 1b is equipped with a slip section of thick bamboo, and the upper end welding of a slip section of thick bamboo has spring seat circle 4, and it has spring 3 to support between spring seat circle 4 and the lower terminal surface of connecting end cap 1, and the lower extreme of a slip section of thick bamboo evenly is equipped with the slips that extend along the circumference, and the lower extreme of each slips is equipped with the slips bayonet socket 5a that can block the neck of fishing oil rope cap head 6a respectively. The slips can be symmetrically provided with two pieces.
The outer side of the bottom of each slip bayonet 5a is provided with a hook head outer conical surface respectively, and each hook head outer conical surface is matched with the sleeve inner conical surface 2a respectively. The bottom of each slip bayonet 5a is respectively provided with a hook head inner conical surface with a wide lower part and a narrow upper part.
The top of the fishing oil rope cap 6a is provided with a cap upper conical surface, and the upper part of the neck of the fishing oil rope cap 6a is provided with a cap lower conical surface.
After the oil fishing tool 6 falls into the well, the nature of the falling object is determined firstly, and the fact that the steel wire rope falls out from the rope cap part connected and fixed with the steel wire rope in the process of fishing the oil, so that all the tool groups below the rope cap head fall into the well is determined, namely the oil fishing tool 6 with the oil fishing rope cap head 6a is determined as the falling object in the well.
Then normal oil fishing operation is carried out, and the crude oil above the falling object is fished out completely; when the last crude oil is fished, the position of a falling object is detected, and the falling object depth is recorded.
Then, a weighting rod is suspended at the lower end of the salvage steel wire rope, a single lug at the lower end of the weighting rod is inserted between the two plug lifting lugs 1a, and then a pin shaft is inserted to enable the two lifting lugs to be mutually hinged; the weight of the weighted rod part is not less than 250 kilograms.
The weight rod and the fishing tool are suspended into the well through a fishing steel wire rope by using an oil fishing vehicle of an oil fishing team, the weight of the underground steel wire rope and the fishing tool is recorded when the weight rod and the fishing tool reach the falling object depth; then the oil fishing tool 6 is lifted up by 10 to 20 meters, the oil fishing tool is lowered at a normal speed to see that the weight display value changes, then the oil fishing tool is lifted up at a slow speed to see that the weight display value is increased by more than 200 kilograms compared with the previous normal weight value, which indicates that the oil fishing tool 6 is salvaged, and then the lifting operation is carried out.
After the lower extreme of guide sleeve 2 reachd oil bailing instrument 6 top, sleeve horn mouth 2b plays the guide effect, be convenient for drag for oil rope cap 6a and slide in and realize the centering, when dragging for oil rope cap 6a and reachd throat department, the cap up cone at top supports and leans on in the gib head inner cone below of slips bayonet 5a bottom, along with the continuation of instrument is down, the slips is withheld by oil bailing rope cap 6a, guide sleeve 2 continues down, the gib head external cone face goes upward along guide sleeve 2's sleeve inner cone 2a, and open gradually, slip sleeve 5 upwards slides in the periphery of end cap center post 1b, spring 3 is compressed.
As shown in fig. 2, after the fishing line cap 6a slides into the inner cavity of the slip, the slip returns, and the slip bayonet 5a is embedded in the neck below the fishing line cap 6a to lock the fishing line cap 6a.
The periphery of the middle lower part of the slip is embedded with an elastic ring 7, so that the slip always keeps a larger opposite resultant force, and the slip is ensured not to fall off after the oil rope cap head 6a is grabbed and fished.
If the oil fishing rope cap head 6a is not grabbed by pressing down at one time, the steel wire rope is repeatedly lifted up and lowered down until the oil fishing rope cap head 6a is locked, and after the oil fishing rope cap head 6a is locked, the steel wire rope is lifted until the oil fishing tool 6 is fished out.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention. In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention. The undescribed technical features of the present invention can be realized by or using the prior art, and are not described herein again.
Claims (7)
1. The utility model provides a well tool fishing device that falls of oil rope hat head is dragged for in area, includes guide shoe sleeve, its characterized in that: the upper end opening of the guide shoe sleeve is provided with a conical female thread, a connecting plug is screwed in the conical female thread, and two plug lifting lugs extending upwards are symmetrically arranged on the upper end face of the connecting plug; the lower part of a central hole of the guide shoe sleeve is provided with a throat, the aperture of the throat is larger than the outer diameter of the oil fishing rope cap head, the upper part of the throat is provided with a sleeve inner conical surface with a large upper part and a small lower part, and a sleeve horn mouth with a narrow upper part and a wide lower part is arranged from the lower part of the throat to the lower port; the lower terminal surface of connecting the end cap is equipped with downwardly extending's end cap center post, the lower extreme cover of end cap center post is equipped with a slip section of thick bamboo, the upper end welding of a slip section of thick bamboo has the spring race, the spring race with it has the spring to connect to support between the lower terminal surface of end cap, the lower extreme of a slip section of thick bamboo evenly is equipped with the slips that extend along the circumference, and the lower extreme of each slips is equipped with the slips bayonet socket that can block fishing oil rope cap neck portion respectively.
2. The fishing device of claim 1, wherein the fishing device comprises: and the outer side of the bottom of each slip bayonet is provided with a hook head outer conical surface respectively, and each hook head outer conical surface is matched with the sleeve inner conical surface respectively.
3. The fishing device of claim 2, wherein the fishing device comprises: the bottom of each slip bayonet is provided with a hook head inner conical surface with a wide lower part and a narrow upper part.
4. The fishing device of claim 1, wherein the fishing device comprises: the top of the oil fishing rope cap head is provided with a cap head upper conical surface, and a cap head lower conical surface is arranged above the neck of the oil fishing rope cap head.
5. The fishing device of claim 1, wherein the fishing device comprises: the slips are symmetrically provided with two pieces.
6. The fishing device of claim 1, wherein the fishing device comprises: and an elastic ring is embedded on the periphery of the middle lower part of the slip.
7. The fishing device of any one of claims 1 to 6, wherein: the fishing device is characterized in that a weighting rod is connected above the connecting plug, the top center of the weighting rod is connected to the lower end of the fishing steel wire rope, a single support lug is arranged at the bottom center of the weighting rod, the single support lug is inserted between two plug lifting lugs at the upper end of the connecting plug, pin holes are aligned, and a pin shaft is inserted into the pin holes of the plug lifting lugs and the single support lug to enable the plug lifting lugs and the single support lug to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220921159.7U CN217129477U (en) | 2022-04-20 | 2022-04-20 | Well-falling tool fishing device with oil fishing rope cap head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220921159.7U CN217129477U (en) | 2022-04-20 | 2022-04-20 | Well-falling tool fishing device with oil fishing rope cap head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217129477U true CN217129477U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220921159.7U Active CN217129477U (en) | 2022-04-20 | 2022-04-20 | Well-falling tool fishing device with oil fishing rope cap head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217129477U (en) |
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2022
- 2022-04-20 CN CN202220921159.7U patent/CN217129477U/en active Active
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Effective date of registration: 20230614 Address after: 225009 No.1, Wenhui West Road, Yangzhou Economic Development Zone, Jiangsu Province Patentee after: SINOPEC Group Patentee after: SINOPEC GROUP JIANGSU PETROLEUM EXPLORATION BUREAU Co.,Ltd. Patentee after: JIANGSU OILFIELD MINING DEVELOPMENT Co.,Ltd. Address before: 225009 No.1, Wenhui West Road, Yangzhou Economic Development Zone, Jiangsu Province Patentee before: JIANGSU OILFIELD MINING DEVELOPMENT Co.,Ltd. |