CN114458208B - Salvaging device releasing system - Google Patents
Salvaging device releasing system Download PDFInfo
- Publication number
- CN114458208B CN114458208B CN202210042907.9A CN202210042907A CN114458208B CN 114458208 B CN114458208 B CN 114458208B CN 202210042907 A CN202210042907 A CN 202210042907A CN 114458208 B CN114458208 B CN 114458208B
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- pipe
- fisher
- releasing
- steel wire
- wire rope
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 70
- 239000010959 steel Substances 0.000 claims abstract description 70
- 238000001125 extrusion Methods 0.000 claims abstract description 13
- 238000004873 anchoring Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 21
- 238000005553 drilling Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
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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)
- Earth Drilling (AREA)
Abstract
The invention relates to an overshot unhooking system, which comprises a steel wire rope, a unhooking pipe, an overshot and an inner pipe assembly; the pipe is sleeved on the periphery of the fisher, the outer diameter of the pipe is matched with the inner diameter of the drill hole, a connecting piece connected with the steel wire rope is arranged on the pipe, and the connecting point of the connecting piece and the steel wire rope is positioned above the fisher; the bottom end of the steel wire rope is connected with a fisher and an inner pipe assembly from top to bottom, the side wall of the inner pipe assembly is provided with a jam releasing nozzle, and the jam releasing nozzle radially contracts along the inner pipe assembly under the action of external force extrusion to separate the inner pipe assembly from the fisher; the dimension of the unclamping Guan Najing is matched with that of the outer wall of the unclamping nozzle; when the force of the upward pulling of the top end of the steel wire rope is larger than the connecting force between the releasing pipe and the connecting piece, the connecting piece is separated from the releasing pipe, so that the releasing pipe moves downwards to the releasing nozzle, and the fisher is separated from the inner pipe assembly under the extrusion action of the releasing pipe and the releasing nozzle, thereby saving water resources, reducing the releasing time of the fisher and improving the releasing efficiency of the fisher.
Description
Technical Field
The disclosure relates to the technical field of engineering geological exploration, in particular to a salvaging device unclamping system.
Background
Geological exploration is used for finding out engineering geological conditions and hydrogeological conditions such as stratum lithology characteristics, layer thickness, integrity, geological structure, water enrichment and the like of a tunnel portal section, so that reliable geological basis data are provided for design.
In engineering geological exploration, a dry hole is often formed due to leakage of water column or flushing fluid in a drilling hole caused by formation fracture and crack development, or the liquid level in the drilling hole is very low, and at the moment, the structure of the inner pipe assembly is easily damaged when the pipe is put into the drilling hole to carry out the pipe extractor and the pipe assembly. In the prior art, after a steel wire rope carries a fisher and an inner pipe assembly to the bottom of a drilling hole, a certain water column is formed in the hole by injecting water into the drilling hole, and then a release device is put in from a hole opening, so that the buoyancy of water counteracts the impact force generated by the free falling of the release pipe, and the release pipe can reach a release position at a lower speed to complete a release task, thereby solving the problem of release of a dry hole or a drilling fisher with a lower liquid level.
However, when water is injected into the drill hole in the prior art, water is always leaked along with water due to the existence of cracks in the drill hole, so that a large amount of water resources are wasted, the time for releasing the clamp of the fisher is increased, and the releasing efficiency of the fisher is reduced due to the fact that water is injected for many times; meanwhile, the release of the latch remover depends on the height of the water column in the drill hole, the height of the water column in the drill hole cannot be accurately judged, and when the water column in the drill hole is lower, impact force generated after release of the latch remover can damage an inner pipe assembly, so that the probability of damaging the inner pipe assembly is greatly increased.
Disclosure of Invention
In order to solve the technical problems described above or at least partially solve the technical problems described above, the present disclosure provides an latch-off system of an latch-off device.
The disclosure provides an overshot unhooking system, which comprises a steel wire rope, a unhooking pipe, an overshot and an inner pipe assembly;
the pipe is sleeved on the periphery of the fisher, the outer diameter of the pipe is matched with the inner diameter of the drill hole, a connecting piece is arranged on the pipe, the connecting piece is connected with the steel wire rope, the connecting point of the connecting piece and the steel wire rope is positioned above the fisher, and the connecting strength of the connecting piece and the steel wire rope is larger than that of the connecting piece and the pipe; the bottom end of the steel wire rope is sequentially connected with a fisher and an inner pipe assembly from top to bottom, the side wall of the inner pipe assembly is provided with a jam releasing nozzle, and the jam releasing nozzle can shrink inwards along the radial direction of the inner pipe assembly under external force extrusion so as to separate the inner pipe assembly from the fisher; the inner diameter of the unclamping pipe is matched with the size of the outer wall of the unclamping nozzle;
when the force of the top end of the steel wire rope pulled upwards is larger than the connecting force between the card removing pipe and the connecting piece, the connecting piece can be separated from the card removing pipe, so that the card removing pipe moves downwards to the card releasing mouth, and the fisher is separated from the inner pipe assembly under the extrusion action of the card removing pipe and the card releasing mouth.
Optionally, the connecting piece comprises a connecting wire and a connecting ring; one end of the connecting wire is connected with the connecting ring, and the other end of the connecting wire is connected with the steel wire rope;
the connecting ring is positioned between the card removing pipe and the fisher, and the outer wall of the connecting ring is clung to the inner wall of the card removing pipe; the connection strength of the connecting wire and the connecting ring is greater than that of the connecting ring and the card removing pipe.
Optionally, the connecting ring is a snap spring.
Optionally, the top end of the clamp spring and the top end of the card removing pipe are in the same horizontal plane.
Optionally, at least two anchor points used for connecting one end of the connecting wire are arranged on the clamp spring, and the at least two anchor points are uniformly arranged along the circumference of the clamp spring.
Optionally, the anchor point is arranged at the top end of the inner wall of the clamp spring.
Optionally, one end of the connecting wire is welded to the anchoring point.
Optionally, the connecting wire is an iron wire.
Optionally, the bottom of the card removing pipe is 1.5m away from the card removing mouth.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
the present disclosure provides an overshot unhooking system, the steel wire rope, the pipe, the fisher and the inner pipe assembly are arranged; the device comprises a salvaging device, a pipe connector, a connecting piece, a steel wire rope, a connecting piece and a steel wire rope, wherein the pipe connector is sleeved on the periphery of the salvaging device, the outer diameter of the pipe connector is matched with the inner diameter of a drill hole, the connecting piece is connected with the steel wire rope, the connecting point of the connecting piece and the steel wire rope is positioned above the salvaging device, and the connecting strength of the connecting piece and the steel wire rope is larger than that of the connecting piece and the pipe connector; the bottom end of the steel wire rope is sequentially connected with the fisher and the inner pipe assembly from top to bottom, the side wall of the inner pipe assembly is provided with a clamping-releasing nozzle, and the clamping-releasing nozzle can shrink inwards along the radial direction of the inner pipe assembly under the extrusion of external force so as to separate the inner pipe assembly from the fisher; the inner diameter of the unclamping pipe is matched with the size of the outer wall of the unclamping nozzle; when the upward pulling force of the top end of the steel wire rope is larger than the connecting force between the pipe and the connecting piece, the connecting piece is separated from the pipe, so that the pipe moves downwards to the pipe releasing mouth, and the fisher is separated from the inner pipe assembly under the extrusion action of the pipe releasing and the pipe releasing mouth. The connecting piece and the steel wire rope are integrally formed because the connecting strength of the connecting piece and the steel wire rope is larger than that of the connecting piece and the releasing pipe, namely the connecting piece and the releasing pipe can be separated under the action of enough external force, and the connecting piece and the steel wire rope can be always integrated; when the salvaging of the salvaging device is carried out, the salvaging pipe is connected with the steel wire rope through the connecting piece, so that the salvaging pipe, the salvaging device and the inner pipe assembly can enter into a drilled hole together, and after the inner pipe assembly reaches the bottom of the drilled hole, the magnitude of the pulling force exerted by the top end of the steel wire rope is larger than the magnitude of the connecting force between the salvaging pipe and the connecting piece, so that the salvaging pipe is separated from the connecting piece and does free falling body movement; the inner diameter of the pipe is matched with the outer wall of the unclamping nozzle, namely the unclamping nozzle is extruded inwards when the pipe falls to the unclamping nozzle, so that the unclamping of the fisher and the inner pipe assembly is realized, and compared with the prior art, water injection into a drill hole is not needed, so that water resources are saved to a certain extent, the unclamping operation time of the fisher is shortened, and the unclamping efficiency of the fisher is improved; meanwhile, the card remover enters the drill hole together with the fisher and the inner pipe assembly, namely, the card removing pipe does not need to be put into the hole bottom from the hole opening of the drill hole, so that the impact force when the card removing pipe falls to the card removing mouth is reduced to a certain extent, the damage probability of the inner pipe assembly is reduced, and the structure of the inner pipe assembly is protected.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic view of a portion of an exemplary embodiment of an overshot system;
fig. 2 is a schematic structural diagram of an latch-off system of an latch-up latch according to an embodiment of the present disclosure.
1, a steel wire rope; 2. a connecting wire; 3. an anchor point; 4. clamping springs; 5. removing the clamping tube; 6. a fisher; 7. an inner tube assembly; 8. and releasing the clamping mouth.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.
Referring to fig. 1 to 2, the present embodiment provides an overshot seizing-off system, which specifically includes a steel wire rope 1, a seizing-off pipe 5, an overshot 6, and an inner pipe assembly 7.
The pipe 5 is sleeved on the periphery of the fisher 6, and the outer diameter of the pipe 5 is matched with the inner diameter of the drill hole, so that the pipe 5 can enter the drill hole; the pipe 5 is provided with a connecting piece, the connecting piece is connected with the steel wire rope 1, the connecting point of the connecting piece and the steel wire rope 1 is positioned above the fisher 6, and the connecting strength of the connecting piece and the steel wire rope 1 is larger than that of the connecting piece and the pipe 5, so that the connecting piece and the steel wire rope 1 are formed into a whole; the bottom end of the steel wire rope 1 is sequentially connected with a fisher 6 and an inner pipe assembly 7 from top to bottom, the side wall of the inner pipe assembly 7 is provided with a jam releasing nozzle 8, and the jam releasing nozzle 8 can shrink inwards along the radial direction of the inner pipe assembly 7 under the extrusion of external force so as to separate the inner pipe assembly 7 from the fisher 6, thereby realizing the jam releasing of the fisher 6 and the inner pipe assembly 7; the inner diameter of the card removing pipe 5 is matched with the size of the outer wall of the card removing nozzle 8, so that the card removing nozzle 8 can be conveniently forced through the card removing pipe 5.
In specific implementation, the unlocking mouth 8 on the inner pipe assembly 7 corresponds to the connecting and buckling position of the inner pipe assembly 7 and the fisher 6, namely, the unlocking of the connecting and buckling position of the inner pipe assembly 7 and the fisher 6 can be realized by inwards extruding the unlocking mouth 8. The unlocking nozzles 8 may be a plurality of independent unlocking nozzles 8 which are arranged on the outer wall of the inner pipe assembly 7 at intervals, and the plurality of independent unlocking nozzles 8 are uniformly arranged on the outer wall of the inner pipe assembly 7; of course, in some embodiments, the unlocking nozzle 8 may be an integral unlocking member surrounding the outer wall of the inner tube assembly 7.
When the force of the top end of the steel wire rope 1 pulled upwards is larger than the connecting force between the releasing pipe 5 and the connecting piece, the connecting piece cannot drive the releasing pipe 5 to move upwards, so that the connecting piece is separated from the releasing pipe 5, at the moment, the releasing pipe 5 can move freely in a falling mode, the releasing pipe 5 moves downwards to the releasing nozzle 8 due to the fact that the inner diameter of the releasing pipe 5 is matched with the size of the outer wall of the releasing nozzle 8, and the fisher 6 breaks away from the inner pipe assembly 7 under the extrusion action of the releasing pipe 5 and the releasing nozzle 8, and therefore releasing of the fisher 6 and the inner pipe assembly 7 is achieved.
The latch-off system of the latch-off device is particularly suitable for the latch-off of the latch-off device 6 and the inner pipe assembly 7 under the condition that the middle hole of the engineering deep hole is a dry hole or the water level in the hole is very low. When the method is implemented, firstly, the bottom end of the steel wire rope 1 is sequentially connected with the fisher 6 and the inner pipe assembly 7 from top to bottom, then the pipe for removing the clamp 5 is connected with the top end of the steel wire rope 1 through a connecting piece, meanwhile, the connection point of the steel wire rope 1 and the connecting piece is ensured to be positioned above the fisher 6, and then the steel wire rope 1 carrying the pipe for removing the clamp 5 enters the bottom of a drilled hole along with the fisher 6; after the whole device is put in a preset position, the releasing pipe 5 is separated from the connecting piece by dragging the top end of the steel wire rope 1 and moves to the releasing mouth 8 of the inner pipe assembly 7 in a free falling mode, the salvager 6 and the inner pipe assembly 7 finish releasing tasks under the action of inward extrusion force applied to the releasing mouth 8 by the releasing pipe 5, namely, only after the inner pipe assembly 7 reaches the bottom of a hole, the top end of the steel wire rope 1 is dragged upwards to enable the releasing pipe 5 to separate from the steel wire rope 1 and fall to the releasing mouth 8, and the releasing mouth 8 is pressurized to realize releasing of the salvager 6 and the inner pipe assembly 7, so that the releasing task of the salvager 6 can be quickly and simply finished. Meanwhile, the salvage device 6 unhooking system does not need to inject water into the drill hole when being specifically used, so that water resources are saved, unhooking time of the salvage device 6 is shortened, unhooking efficiency of the salvage device 6 is improved to a certain extent, the structure of the inner pipe assembly 7 is protected, and the damage probability of the inner pipe assembly 7 is reduced to a certain extent.
Through the technical scheme, the salvager unclamping system provided by the embodiment is characterized in that the steel wire rope 1, the unclamping pipe 5, the salvager 6 and the inner pipe assembly 7 are arranged; the pipe 5 is sleeved on the periphery of the fisher 6, the outer diameter of the pipe 5 is matched with the inner diameter of the drill hole, a connecting piece is arranged on the pipe 5 and connected with the steel wire rope 1, the connecting point of the connecting piece and the steel wire rope 1 is positioned above the fisher 6, and the connecting strength of the connecting piece and the steel wire rope 1 is larger than that of the connecting piece and the pipe 5; the bottom end of the steel wire rope 1 is sequentially connected with a fisher 6 and an inner pipe assembly 7 from top to bottom, the side wall of the inner pipe assembly 7 is provided with a jam releasing nozzle 8, and the jam releasing nozzle 8 can shrink inwards along the radial direction of the inner pipe assembly 7 under the extrusion of external force so as to separate the inner pipe assembly 7 from the fisher 6; the inner diameter of the card removing pipe 5 is matched with the size of the outer wall of the card removing nozzle 8; when the upward pulling force of the top end of the steel wire rope 1 is larger than the connecting force between the releasing pipe 5 and the connecting piece, the connecting piece is separated from the releasing pipe 5, so that the releasing pipe 5 moves downwards to the releasing nozzle 8, and the fisher 6 is separated from the inner pipe assembly 7 under the extrusion action of the releasing pipe 5 and the releasing nozzle 8. The connection strength of the connecting piece and the steel wire rope 1 is larger than that of the connecting piece and the releasing pipe 5, so that the connecting piece and the steel wire rope 1 are integrated, that is, the connecting piece and the releasing pipe 5 can be separated under the action of enough external force, and the connecting piece and the steel wire rope 1 can be always integrated; when the salvaging of the salvaging device 6 is carried out, the salvaging pipe 5 is connected with the steel wire rope 1 through the connecting piece, so that the salvaging pipe 5, the salvaging device 6 and the inner pipe assembly 7 can enter into a drill hole together, and after the inner pipe assembly 7 reaches the bottom of the drill hole, the magnitude of the pulling force exerted by the top end of the steel wire rope 1 is larger than the magnitude of the connecting force between the salvaging pipe 5 and the connecting piece, so that the salvaging pipe 5 is separated from the connecting piece and does free falling body movement; the inner diameter of the pipe 5 is matched with the outer wall of the unclamping nozzle 8, namely, when the pipe 5 falls to the unclamping nozzle 8, the unclamping nozzle 8 is extruded inwards, so that the unclamping of the fisher 6 and the inner pipe assembly 7 is realized, compared with the prior art, water injection into a drill hole is not needed, water resources are saved to a certain extent, the unclamping operation time of the fisher 6 is shortened, and the unclamping efficiency of the fisher 6 is improved; meanwhile, as the card removing device enters the drill hole together with the fisher 6 and the inner tube assembly 7, namely, the card removing tube 5 does not need to be put into the hole bottom from the hole opening of the drill hole, the impact force when the card removing tube 5 falls to the card removing mouth is reduced to a certain extent, the damage probability of the inner tube assembly 7 is reduced, and the structure of the inner tube assembly 7 is protected.
Wherein, the connecting piece comprises a connecting wire 2 and a connecting ring; one end of the connecting wire 2 is connected with the connecting ring, and the other end of the connecting wire 2 is connected with the steel wire rope 1; the connecting ring is positioned between the unclamping pipe 5 and the fisher 6, and the outer wall of the connecting ring is tightly attached to the inner wall of the unclamping pipe 5; the connection strength of the connecting wire 2 and the connecting ring is larger than that of the connecting ring and the releasing pipe 5.
The pipe 5 is indirectly connected with the steel wire rope 1 through the connecting wire 2 and the connecting ring, so that the connection strength of the steel wire rope 1 and the pipe 5 is ensured, the pipe 5 and the steel wire rope 1 are integrated, the pipe 5 enters a drill hole along with the steel wire rope 1, the fisher 6 and the inner pipe assembly 7, the relative distance between the pipe 5 and the inner pipe assembly 7 is reduced to a certain extent, and the inner pipe assembly 7 is protected.
In specific implementation, the connecting ring is a clamp spring 4, the clamp spring 4 is a fastener which can shrink along the radial direction, when the clamp spring 4 is clamped on the inner wall of the unclamping pipe 5, the clamp spring 4 is only required to be extruded inwards along the radial direction and placed in the unclamping pipe 5, and the clamp spring 4 is connected with the unclamping pipe 5 by virtue of the toughness and elasticity of the clamp spring 4, so that the unclamping system of the fisher 6 is convenient to install, and the installation efficiency of the unclamping system of the fisher is improved; and friction force between the inner wall of the card removing pipe 5 and the outer wall of the clamp spring 4 can enable the card removing pipe 5 to be connected with the clamp spring 4.
Of course, the connecting ring can also be other connecting parts such as a steel ring, so long as the installation of the connecting ring is convenient, and meanwhile, the strength of the connecting ring after being connected with the releasing pipe 5 can enable the releasing pipe 5 and the steel wire rope 1 to form a whole so that the releasing pipe 5 and the steel wire rope 1 can enter a preset position in a drilling hole at the same time; at this time, the disengaging pipe 5 and the connecting ring can be fixedly connected in an adhesive manner, and the disengaging pipe 5 can be separated from the connecting ring under the action of enough external force when the concrete connecting manner can meet the connection strength of the disengaging pipe 5 and the connecting ring so that the disengaging pipe 5 and the steel wire rope 1 are integrated.
Referring to fig. 1 to 2, the top end of the clamp spring 4 and the top end of the unclamping tube 5 are arranged on the same horizontal plane, so that the efficiency of installing the clamp spring 4 into the unclamping tube 5 can be improved on the premise of ensuring the connection strength of the clamp spring 4 and the unclamping tube 5; in some embodiments, the position of the snap spring 4 may be adaptively adjusted, so long as the clamping strength between the snap spring 4 and the releasing tube 5 can be satisfied.
In some embodiments, be provided with two at least anchor points 3 that are used for connecting the one end of connecting wire 2 on the jump ring 4, two at least anchor points 3 evenly set up along the circumference of jump ring 4 to make the connecting wire 2 to jump ring 4 and take off the clamp pipe 5 applied force can evenly arrange in the circumference of jump ring 4, guarantee jump ring 4 and take off clamp pipe 5 along with wire rope 1 whereabouts in-process and be in balanced state all the time, avoid taking off clamp pipe 5 and jump ring 4 atress inequality to influence its normal whereabouts, laid the basis for taking off clamp pipe 5's normal taking off.
The number of the anchor points 3 in the latch-releasing system of the latch-releasing device is two, and when the latch-releasing device is specifically implemented, the number of the anchor points 3 can be flexibly designed according to the size and actual requirements of the clamp springs 4, so long as the clamp springs 4 can be connected, the condition that the clamp springs 4 and the latch-releasing pipe 5 are always in a balanced state when falling in a drilling hole can be met, the latch-releasing device can be arbitrarily selected according to specific conditions, and excessive limitation is not carried out.
Referring to fig. 1 to 2, the anchoring point 3 is disposed at the top end of the inner wall of the clamp spring 4, so that the connection between one end of the connecting wire 2 and the seat of the clamp spring 4 is facilitated, and accordingly the installation time of the latch-off system of the latch-off device is reduced to a certain extent, and the latch-off efficiency of the latch-off system of the latch-off device is further improved.
Of course, the anchoring point 3 may be disposed at any other position such as the middle or bottom of the inner wall of the clip 4, so long as the operation of the person can be facilitated to connect the connecting wire 2 with the clip 4.
Further, one end of the connecting wire 2 is welded on the anchoring point 3, so that the connecting wire 2 is more reliably connected to the clamp spring 4, the connection strength between the connecting wire 2 and the clamp spring 4 is improved, and the clamp spring 4 can be always connected with the steel wire rope 1. In specific implementation, the connecting wire 2 can also be connected with the anchor point by adopting a binding or other connecting modes, so long as the clamp spring 4 can be reliably connected on the connecting wire 2, and the clamp spring can be arbitrarily selected according to specific use conditions.
Because the iron wire has good tensile property, when in specific implementation, the connecting wire 2 is the iron wire, thereby ensuring the normal use of the latch-off system of the fisher; of course, the connecting wire 2 may be any wire with excellent tensile properties such as a steel strand, so long as it is capable of connecting the clip 4 and the clip removing tube 5 without deformation.
The height of the bottom end of the card removing pipe 5 from the card releasing nozzle 8 is 1.5m, and when in specific implementation, the height of the bottom end of the card removing pipe 5 from the card releasing nozzle 8 can be flexibly designed according to specific requirements and conditions, so long as the structure of the card releasing nozzle 8 can be protected while the impact force of the card removing pipe 5 from the clamp spring 4 to extrude the card releasing nozzle 8 enough when the card removing pipe falls down to the card releasing nozzle 8 is ensured, and the card releasing nozzle can be arbitrarily selected according to specific conditions.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The salvage device unclamping system is characterized by comprising a steel wire rope (1), an unclamping pipe (5), a salvage device (6) and an inner pipe assembly (7);
the pipe (5) is sleeved on the periphery of the fisher (6), the outer diameter of the pipe (5) is matched with the inner diameter of the drill hole, a connecting piece is arranged on the pipe (5), the connecting piece is connected with the steel wire rope (1), the connecting point of the connecting piece and the steel wire rope (1) is positioned above the fisher (6), and the connecting strength of the connecting piece and the steel wire rope (1) is larger than that of the connecting piece and the pipe (5); the bottom end of the steel wire rope (1) is sequentially connected with a fisher (6) and an inner pipe assembly (7) from top to bottom, a clamping releasing nozzle (8) is arranged on the side wall of the inner pipe assembly (7), and the clamping releasing nozzle (8) can shrink inwards along the radial direction of the inner pipe assembly (7) under external force extrusion so as to separate the inner pipe assembly (7) from the fisher (6); the inner diameter of the card removing pipe (5) is matched with the size of the outer wall of the card removing nozzle (8);
when the force of the top end of the steel wire rope (1) pulled upwards is larger than the connecting force between the disengaging pipe (5) and the connecting piece, the connecting piece can be separated from the disengaging pipe (5), so that the disengaging pipe (5) moves downwards to the disengaging nozzle (8), and the fisher (6) is separated from the inner pipe assembly (7) under the extrusion action of the disengaging pipe (5) and the disengaging nozzle (8).
2. The latch-off system of claim 1, wherein the connector comprises a connecting wire (2) and a connecting ring; one end of the connecting wire (2) is connected with the connecting ring, and the other end of the connecting wire (2) is connected with the steel wire rope (1);
the connecting ring is positioned between the card removing pipe (5) and the fisher (6), and the outer wall of the connecting ring is tightly attached to the inner wall of the card removing pipe (5); the connection strength of the connecting wire (2) and the connecting ring is larger than that of the connecting ring and the card removing pipe (5).
3. The latch release system of claim 2, wherein the connecting ring is a latch spring (4).
4. An overshot release system according to claim 3, characterised in that the top end of the snap spring (4) is in the same level as the top end of the release tube (5).
5. An overshot release system according to claim 3, c h a r a c t e r i z e d in that the snap spring (4) is provided with at least two anchoring points (3) for connecting one end of the connecting wire (2), the at least two anchoring points (3) being evenly arranged in the circumferential direction of the snap spring (4).
6. The latch-release system according to claim 5, characterized in that the anchor point (3) is arranged at the top end of the inner wall of the latch spring (4).
7. The latch-off system according to claim 5, characterized in that one end of the connecting wire (2) is welded to the anchoring point (3).
8. An overshot release arrangement according to any one of claims 2-7, ch a ra cte rized in that the connecting wire (2) is a wire.
9. An overshot release system according to any one of claims 1-7, ch a ra cte ri zed i n that the bottom end of the pipe (5) is 1.5m high from the release nozzle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210042907.9A CN114458208B (en) | 2022-01-14 | 2022-01-14 | Salvaging device releasing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210042907.9A CN114458208B (en) | 2022-01-14 | 2022-01-14 | Salvaging device releasing system |
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| Publication Number | Publication Date |
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| CN114458208A CN114458208A (en) | 2022-05-10 |
| CN114458208B true CN114458208B (en) | 2024-04-05 |
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| CN202210042907.9A Active CN114458208B (en) | 2022-01-14 | 2022-01-14 | Salvaging device releasing system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201695975U (en) * | 2010-06-07 | 2011-01-05 | 河北省地矿局探矿技术研究院 | Safe salvaging and conveying device for extracting core of deep-hole rope |
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| CN206554852U (en) * | 2017-03-23 | 2017-10-13 | 张璐 | A kind of underground work shocking reversing stuck freeing salvaging device |
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| CN213869798U (en) * | 2020-12-26 | 2021-08-03 | 天津华勘钻探机具有限公司 | Latch jack with slidable releasing pipe |
| CN215213400U (en) * | 2021-07-20 | 2021-12-17 | 陕西铁道工程勘察有限公司 | Vertical drilling ultrasonic imaging test probe pipe fishing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7661477B2 (en) * | 2006-03-31 | 2010-02-16 | Schlumberger Technology Corporation | System and method for unsticking a tool stuck in a wellbore |
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| CN201695975U (en) * | 2010-06-07 | 2011-01-05 | 河北省地矿局探矿技术研究院 | Safe salvaging and conveying device for extracting core of deep-hole rope |
| CN103603618A (en) * | 2013-11-19 | 2014-02-26 | 无锡中地地质装备有限公司 | Novel unfastening pipe structure |
| CN206554852U (en) * | 2017-03-23 | 2017-10-13 | 张璐 | A kind of underground work shocking reversing stuck freeing salvaging device |
| CN209398391U (en) * | 2018-12-20 | 2019-09-17 | 宁夏万殷机械制造科技有限公司 | A kind of well head flash hits device |
| CN110206503A (en) * | 2019-07-15 | 2019-09-06 | 广州海洋地质调查局 | A kind of double lance ropes of the double hook for coring drilling with keep up pressure are sent into and fishing device and its application method |
| CN213869798U (en) * | 2020-12-26 | 2021-08-03 | 天津华勘钻探机具有限公司 | Latch jack with slidable releasing pipe |
| CN215213400U (en) * | 2021-07-20 | 2021-12-17 | 陕西铁道工程勘察有限公司 | Vertical drilling ultrasonic imaging test probe pipe fishing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114458208A (en) | 2022-05-10 |
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