CN110005359B - Drill bit fishing device and method - Google Patents
Drill bit fishing device and method Download PDFInfo
- Publication number
- CN110005359B CN110005359B CN201910354951.1A CN201910354951A CN110005359B CN 110005359 B CN110005359 B CN 110005359B CN 201910354951 A CN201910354951 A CN 201910354951A CN 110005359 B CN110005359 B CN 110005359B
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- cover body
- mechanical arm
- well
- drill bit
- camera shooting
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000010802 sludge Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 5
- 238000005553 drilling Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/18—Grappling tools, e.g. tongs or grabs gripping externally, e.g. overshot
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Marine Sciences & Fisheries (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a drill bit fishing device which comprises a cover body, a gas injection pipe, a camera shooting mechanism and a mechanical arm, wherein the upper end of the cover body is sealed, the lower end of the cover body is opened, the cover body is used for covering a fished object, the outer side of the top of the cover body is connected with a lifting rope, the lifting rope is used for lowering or lifting the cover body, and the inner side of the top of the cover body is connected with a connecting rope; the gas injection pipe is connected into the cover body from the top end of the cover body and is used for injecting gas into the cover body; the camera shooting mechanism is arranged in the cover body and used for acquiring video information in the cover body and transmitting the video information to a display device outside the well for displaying; the mechanical arm is used for fixing the connecting rope on the object to be salvaged. Meanwhile, the invention also discloses a drill bit fishing method adopting the drill bit fishing device. The invention solves the problem that the mud in the well is turbid and invisible, so that the mud cannot be directly salvaged in a mechanical mode.
Description
Technical Field
The invention relates to the technical field of drill bit fishing, in particular to a drill bit fishing device and a fishing method.
Background
The accident that the drill bit dropped can occasionally appear in the process of pile foundation well drilling or drilling, if the accident that the drill bit dropped appears, must timely, salvage out the drill bit fast.
The depth of salvaging at present is 20 to 100 meters basically, can not draw water in the well, must have the mud dado, otherwise can collapse, the mud is muddy in the well, ordinary grapple often can't salvage, still need to rely on the diver to go into the well, carry out wire rope and bind, work such as soil cinder clearance, however, stake machine well dado is very unstable, very easily collapses, cause the diver to bury the incident occasionally, and, the ordinary heavy diver who exceeds 80 meters of depth can also not launch the salvage, this kind of condition generally all is the change design drawing, can cause very big waste like this.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a drill bit fishing device and a fishing method, which aim to solve the problem that the mud in a well is turbid and invisible, so that the mud cannot be directly fished in a mechanical mode.
In one aspect, the present invention provides a drill bit fishing device, comprising: the fishing tool comprises a cover body, a fishing rod and a lifting rope, wherein the upper end of the cover body is sealed, the lower end of the cover body is opened, the cover body is used for covering a fished object, the outer side of the top of the cover body is connected with the lifting rope, the lifting rope is used for lowering or lifting the cover body, and the inner side of the top of the cover body is connected with a connecting rope; the gas injection pipe is connected into the cover body from the top end of the cover body and is used for injecting gas into the cover body; the camera shooting mechanism is arranged in the cover body and used for acquiring video information in the cover body and transmitting the video information to a display device outside the well for displaying; and the mechanical arm is used for fixing the connecting rope on the object to be fished.
Furthermore, a plurality of hydraulic jacks are annularly arranged on the outer side of the top of the cover body in an array, and the output ends of the hydraulic jacks face the radial outer side.
Furthermore, a high-pressure water gun is further arranged in the cover body and used for washing the shooting mechanism and sludge on the salvaged object.
Further, the mechanical arm comprises a base, a first mechanical arm and a second mechanical arm, the base is installed on the inner side of the top of the cover body, one end of the first mechanical arm is hinged to the base, one end of the second mechanical arm is hinged to the other end of the first mechanical arm, and the connecting rope is fixed to the other end of the second mechanical arm.
Further, the inner side of the top of the cover body is rotatably provided with a turntable, and the base of the mechanical arm is fixed on the turntable.
Furthermore, the lifting rope and the connecting rope are connected through a connector fixed on the cover body.
On the other hand, the invention provides a drill bit fishing method by adopting the drill bit fishing device, which comprises the following steps:
step S10, lowering the cover body into the well and covering the cover body on the object to be salvaged;
step S20, injecting compressed air into the cover body to remove turbid liquid in the cover body;
step S30, observing the condition in the cover body through the camera shooting mechanism;
step S40, under the monitoring of the camera shooting mechanism, the personnel on the ground control the mechanical arm to fix the connecting rope on the object to be salvaged;
and step S50, hoisting the cover body and the object to be fished out of the well.
Further, between the step S10 and the step S20, a step S11 is included: controlling the hydraulic jack on the cover body to extend so that the output end of the hydraulic jack is tightly propped against the well wall; the step S41 is included between the step S40 and the step S50: and controlling the hydraulic jack on the cover body to retract, so that the output end of the hydraulic jack is separated from the well wall.
Further, between the step S20 and the step S30, a step S21 is included: and controlling a high-pressure water gun to wash the sludge on the camera shooting mechanism and the object to be fished.
Further, when the well depth is increased by 10m, 1 kilogram of force/square centimeter of compressed air is injected into the cover body.
The invention has the beneficial effects that: according to the invention, the cover body is covered on the object to be salvaged, compressed air is injected into the cover body to remove turbid liquid in the cover body, so that a visible space is formed in the cover body, and then the condition of the object to be salvaged is observed through the camera mechanism, so that the mechanical arm is controlled to fix the connecting rope on the object to be salvaged under the visible condition, and the problem that the mud in the well is turbid and invisible, so that the object cannot be salvaged directly in a mechanical mode is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below. Throughout the drawings, similar devices or portions are generally identified by similar reference numerals. In the drawings, the various devices or portions are not necessarily drawn to scale.
FIG. 1 is an external structural view of an embodiment of the present invention;
fig. 2 is a schematic diagram of an internal structure according to an embodiment of the present invention.
In the drawings, 1 denotes a cover body; 2 denotes a lifting rope; 3 represents a connecting rope; 4 denotes a gas injection pipe; 5 denotes an image pickup mechanism; 6 denotes a robot arm; 61 denotes a base; 62 denotes a first robot arm; 63 denotes a second robot arm; 64 denotes a turntable; 7 denotes a hydraulic ram; 8 denotes a high-pressure water gun; 9 denotes a connector; the object to be salvaged is indicated at 10.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the patent is not limited thereby.
In one aspect, as shown in fig. 1-2, the embodiment of the invention provides a drill bit fishing device, which comprises a cover body 1, a gas injection pipe 4 and a mechanical arm 6.
The upper end of the cover body 1 is sealed, the lower extreme opening, the cover body 1 is used for covering by salvage on the object 10, the outside at the 1 top of the cover body is connected with lifting rope 2, lifting rope 2 is used for transferring or lifting the cover body 1, the inboard at the 1 top of the cover body is connected with connects rope 3, in this embodiment, lifting rope 2 all adopts wire rope with connecting rope 3, lifting rope 2 links to each other through fixing connector 9 on the cover body 1 with connecting rope 3, make the power that connects rope 3 to bear directly transmit for lifting rope 2 through connector 9, can prevent that the cover body 1 from warping like this.
Gas injection pipe 4 is followed the top of cover body 1 and is inserted in cover body 1, and gas injection pipe 4 is used for to cover body 1 internal gas injection, and this embodiment can connect air compressor in the outer end of gas injection pipe 4 to through the air compressor to cover body 1 internal gas injection.
The camera shooting mechanism 5 is installed in the cover body 1, and the camera shooting mechanism 5 is used for acquiring video information in the cover body 1 and transmitting the video information to a display device outside a well for displaying. The camera mechanism 5 of the present embodiment employs a rotatable camera to increase the range of image pickup.
The mechanical arm 6 is used to fix the connecting rope 3 to the object 10 to be fished. As a specific example, referring to fig. 2, the mechanical arm 6 includes a base 61, a first mechanical arm 62 and a second mechanical arm 63, the base 61 is installed on the inner side of the top of the cover 1, one end of the first mechanical arm 62 is hinged to the base 61, one end of the second mechanical arm 63 is hinged to the other end of the first mechanical arm 62, the connection rope 3 is fixed to the other end of the second mechanical arm 63, and the first mechanical arm 62 and the second mechanical arm 63 can rotate under the driving of a driving mechanism such as a steering engine or a hydraulic lever, which belongs to the known technology in the art and does not belong to the main point of protection of the present application, and no further description is provided herein. In this example, the object to be salvaged 10 has a side hole, and when the connection rope 3 is fixed, the first arm 62 and the second arm 63 of the control arm 6 are rotated to insert the second arm 63 and the connection rope 3 fixed to the second arm 63 into the side hole of the object to be salvaged 10, thereby connecting the connection rope 3 to the object to be salvaged 10. Further, in order to align the second robot arm 63 with the side hole of the object to be salvaged 10, a turntable 64 is rotatably mounted on the inner side of the top of the housing 1, and the base 61 of the robot arm 6 is fixed to the turntable 64 so that the position of the robot arm 6 can be adjusted by rotating the turntable 64. The structure of the robot arm 6 and the manner of fixing the connecting rope 3 are not limited to this, and the connecting rope 3 may be connected to the object to be salvaged 10 by other structures and manners.
After injecting compressed air into the cover body 1, the buoyancy of the cover body 1 can increase, when the buoyancy of the cover body 1 is greater than its gravity, the cover body 1 can come up, therefore, come up when injecting compressed air in order to prevent the cover body 1, the outside annular permutation at the cover body 1 top is provided with a plurality of hydraulic rams 7, the output of hydraulic rams 7 is towards the radial outside, cover body 1 is transferred and is put in place the back, control hydraulic ram 7 extension, make the output top of hydraulic ram 7 tightly on the wall of a well, can realize the fixed of the cover body 1, can with the hydraulic ram 7 withdrawal when lifting the cover body 1. Of course, in other embodiments, the hydraulic jack 7 may not be provided, and we only need to increase the counterweight of the cover 1, so that the buoyancy of the cover 1 does not exceed the gravity of the cover 1.
Owing to advance interior muddy mud of having filled with, even the muddy liquid in the cover body 1 is extruded, camera shooting mechanism 5 also can adhere to a lot of silt with being salvaged on the object 10, therefore, the cover of this embodiment body 1 still is provided with high-pressure squirt 8, high-pressure squirt 8 external water pipe, thus, behind the muddy liquid in the cover body 1 of discharging, can control high-pressure squirt 8 and wash camera shooting mechanism 5, in order to prevent that silt from hiding camera shooting mechanism 5, simultaneously can also control high-pressure squirt 8 and wash the silt above being salvaged object 10, so that observe being salvaged object 10.
On the other hand, as shown in fig. 1-2, the embodiment of the invention provides a method for fishing a drill bit by using the above-mentioned drill bit fishing device, which comprises the following steps:
step S10, the cover body 1 is lowered into the well and covers the object 10 to be fished;
step S11: controlling the hydraulic jack 7 on the cover body 1 to extend, so that the output end of the hydraulic jack 7 is tightly propped against the well wall;
step S20, injecting compressed air into the cover body 1 to remove turbid liquid in the cover body 1, and injecting 1 kilogram of force/square centimeter of compressed air into the cover body 1 when the well depth is increased by 10 m;
step S21: controlling a high-pressure water gun 8 to flush sludge on the camera shooting mechanism 5 and the object to be fished 10;
step S30, observing the inside of the cover 1 by the imaging means 5;
step S40, under the monitoring of the camera mechanism 5, the person on the ground operates the mechanical arm 6 to fix the connecting rope 3 on the object 10 to be salvaged;
step S41: controlling the hydraulic jack 7 on the cover body 1 to retract so that the output end of the hydraulic jack 7 is separated from the well wall;
in step S50, the cover body 1 and the object to be fished 10 are hoisted out of the well.
This embodiment is through covering a cover body 1 and being salvaged object 10, inject compressed air into cover body 1 again, in order to get rid of the muddy liquid of cover body 1 internal, make cover body 1 internal formation visible space, then observe the condition by salvage object 10 through mechanism 5 of making a video recording, can be under the visual condition like this, control arm 6 will be connected rope 3 and fix on being salvaged object 10, thereby it is muddy because of mud in the well to have solved, can not be seen, and can't directly adopt mechanical mode to salvage the problem, adopt the device and method to salvage, can avoid diver's danger of launching, and easy operation, reliability, the salvage cost has been reduced.
It should be noted that the present application is primarily intended for underwater fishing of drill bits, but is not limited to fishing of drill bits, and it should be understood that the technical solutions described in the present application are applicable to fishing of drill bits and other objects 10 to be fished, whether in a well or elsewhere, and are within the scope of the present application.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. A drill bit fishing device, comprising:
the fishing tool comprises a cover body, a fishing rod and a lifting rope, wherein the upper end of the cover body is sealed, the lower end of the cover body is opened, the cover body is used for covering a fished object, the outer side of the top of the cover body is connected with the lifting rope, the lifting rope is used for lowering or lifting the cover body, and the inner side of the top of the cover body is connected with a connecting rope;
the gas injection pipe is connected into the cover body from the top end of the cover body and used for injecting gas into the cover body, and the outer end of the gas injection pipe is connected with an air compressor so as to inject gas into the cover body through the air compressor and remove turbid liquid in the cover body, so that a visible space is formed in the cover body;
the camera shooting mechanism is arranged in the cover body and used for acquiring video information in the cover body and transmitting the video information to a display device outside the well for displaying;
and the mechanical arm is used for fixing the connecting rope on the object to be fished.
2. A bit fishing device as claimed in claim 1, wherein: the hydraulic jack is characterized in that a plurality of hydraulic jacks are annularly arranged in a row on the outer side of the top of the cover body, and the output ends of the hydraulic jacks face the radial outer side.
3. A bit fishing device as claimed in claim 1, wherein: the cover body is also internally provided with a high-pressure water gun which is used for washing sludge on the camera shooting mechanism and the salvaged object.
4. A bit fishing device as claimed in claim 1, wherein: the mechanical arm comprises a base, a first mechanical arm and a second mechanical arm, the base is installed on the inner side of the top of the cover body, one end of the first mechanical arm is hinged to the base, one end of the second mechanical arm is hinged to the other end of the first mechanical arm, and the connecting rope is fixed to the other end of the second mechanical arm.
5. A bit fishing device as claimed in claim 4, wherein: the inner side of the top of the cover body is rotatably provided with a turntable, and the base of the mechanical arm is fixed on the turntable.
6. A bit fishing device as claimed in claim 1, wherein: the lifting rope and the connecting rope are connected through a connector fixed on the cover body.
7. A method of salvaging a drill bit, using the drill bit salvaging apparatus as claimed in any one of claims 1 to 6, comprising the steps of:
step S10, lowering the cover body into the well and covering the cover body on the object to be salvaged;
step S20, injecting compressed air into the cover body to remove turbid liquid in the cover body;
step S30, observing the condition in the cover body through the camera shooting mechanism;
step S40, under the monitoring of the camera shooting mechanism, the personnel on the ground control the mechanical arm to fix the connecting rope on the object to be salvaged;
and step S50, hoisting the cover body and the object to be fished out of the well.
8. A method of fishing drill bits as claimed in claim 7, wherein between steps S10 and S20 includes steps S11: controlling the hydraulic jack on the cover body to extend so that the output end of the hydraulic jack is tightly propped against the well wall; the step S41 is included between the step S40 and the step S50: and controlling the hydraulic jack on the cover body to retract, so that the output end of the hydraulic jack is separated from the well wall.
9. A method of fishing drill bits as claimed in claim 7, wherein between steps S20 and S30 includes steps S21: and controlling a high-pressure water gun to wash the sludge on the camera shooting mechanism and the object to be fished.
10. The method of claim 7, wherein in step S20, for every 10m increase in the well depth, 1 kg force/cm of compressed air is injected into the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910354951.1A CN110005359B (en) | 2019-04-29 | 2019-04-29 | Drill bit fishing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910354951.1A CN110005359B (en) | 2019-04-29 | 2019-04-29 | Drill bit fishing device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110005359A CN110005359A (en) | 2019-07-12 |
| CN110005359B true CN110005359B (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910354951.1A Active CN110005359B (en) | 2019-04-29 | 2019-04-29 | Drill bit fishing device and method |
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| Country | Link |
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| CN (1) | CN110005359B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11555369B2 (en) | 2021-02-25 | 2023-01-17 | Saudi Arabian Oil Company | Fishing scanning tool |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200948877Y (en) * | 2006-09-19 | 2007-09-19 | 刘文普 | Integral wreck fishing device |
| ES2415255A1 (en) * | 2013-03-21 | 2013-07-24 | Jordi Albert GUZMÁN BENAVIDES | Drilling tool release device (Machine-translation by Google Translate, not legally binding) |
| CN204371184U (en) * | 2015-01-08 | 2015-06-03 | 安学龙 | Thing knot screen is got in a kind of down-hole |
| CN205778661U (en) * | 2016-06-16 | 2016-12-07 | 中国建筑第六工程局有限公司 | A kind of device dragging for drill hammer based on stake holes |
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2019
- 2019-04-29 CN CN201910354951.1A patent/CN110005359B/en active Active
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| CN110005359A (en) | 2019-07-12 |
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