CN212716513U

CN212716513U - Fishing device for oil field downhole operation

Info

Publication number: CN212716513U
Application number: CN202021223927.9U
Authority: CN
Inventors: 刘伟; 苏小武; 李发禄
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-16
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a fishing device for oil field downhole operation, which comprises a fixed pipe, a screw rod, a limit knob, a connecting strip, a support plate, a connecting rotating shaft, a straight pipe and a clamp, wherein the connecting strip is arranged inside the fixed pipe, the bottom of the fixed pipe is provided with the straight pipe, the straight pipe is provided with a plurality of straight pipes, the straight pipes are connected through the connecting rotating shaft, the bottom of the straight pipe is provided with the clamp, the movable pipe of the clamp is connected with the connecting strip, when in use, an object to be fished up is pressed down through the straight pipe operating clamp, a clamp plate of the clamp contracts when the straight pipe is pressed down, and the clamp is pulled up through the screw rod to clamp the object, then the limit knob on the screw rod is rotated to limit the movement of the screw rod, the clamp can fixedly clamp the object, then the device is extracted, the fishing of the object can be completed, the operation is simple, and is convenient for salvaging various objects.

Description

Fishing device for oil field downhole operation

Technical Field

The utility model relates to a related field of salvage equipment specifically is an oil field is fishing device for borehole operation.

Background

The total sum of oil and gas reservoirs in the same oil and gas production area under the control of a single geological structure (or stratum) factor, one oil and gas field can have one or more oil and gas reservoirs, the oil and gas field mainly refers to an oil field of an oil reservoir in the same area, and falling objects such as oil pipes, packers and the like frequently fall into the well in the production of the oil field downhole operation.

Need professional fishing tool to salvage, current fishing device generally adopts four to grab fisher, and it is not high to the efficiency of blocky object salvage, relies on the rope to be equipped with outer hook-shaped fishing device and also can't catch on the junk high-efficiently, and the operation is very troublesome.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above insufficiency, the utility model provides an oil field is fishing device for borehole operation here.

The utility model is realized by constructing a fishing device for oil field downhole operation, which comprises a fixed pipe and a clamp, wherein a screw is inserted into the top end of the fixed pipe, a limit knob is sleeved outside the screw and is in threaded connection with the limit knob, the bottom end of the screw is connected with a connecting strip, a support plate is arranged on the front side of the bottom end of the fixed pipe, the bottom end of the support plate is rotationally connected with a straight pipe through a connecting rotating shaft, the bottom end of the connecting strip penetrates through the straight pipe and is connected with the clamp, the bottom end of the straight pipe is mutually locked with the clamp through a bolt, the clamp consists of an outer pipe, a movable pipe, a connecting rod, a support plate, a movable rotating shaft, a connecting rod, a support frame, a straight rod and a clamping plate, the movable pipe is inserted into the outer pipe, the bottom end of the movable pipe is mutually welded with the connecting rod, the bottom end, and the other end of the connecting rod is rotatably connected with the straight rod through a rotating shaft, a supporting frame is welded on the outer side of the outer pipe, the bottom end of the supporting frame is rotatably connected with the straight rod through the rotating shaft, the bottom end of the straight rod is welded with the clamping plate, the top end of the outer pipe is mutually locked with the straight pipe through a bolt, and the bottom end of the connecting strip is connected with the movable pipe.

Preferably, the clamping plate comprises an arc-shaped plate, a convex block and a rubber pad, the convex block is welded at the bottom of the inner side of the arc-shaped plate, the rubber pad is bonded on the inner side of the convex block, and the middle of the top end of the arc-shaped plate is welded with the straight rod.

Preferably, the inner walls of the fixed pipe and the straight pipe are smooth, and the inner walls of the fixed pipe and the straight pipe are attached to the connecting strip.

Preferably, the number of the straight pipes is two, and the two straight pipes are connected through the support plate and the connecting rotating shaft.

Preferably, the surface of the movable pipe is smooth, and the inner wall of the outer pipe is attached to the movable pipe.

Preferably, the connecting rod is provided with two, and splint are all welded to two connecting rods, and two connecting rods all lean out from top to bottom.

Preferably, the bump is arc-shaped, and the thickness of the bump is one centimeter.

Preferably, the thickness of rubber pad is the millimeter, and the rubber pad outside is provided with anti-skidding line.

Preferably, the connecting rod and the straight rod are made of stainless steel.

Preferably, the rubber pad is made of nitrile rubber.

The utility model has the advantages of as follows: the utility model discloses an improve and provide an oil field fishing device for borehole operation here, compare with equipment of the same type, have following improvement:

a fishing device for oil field borehole operation, through at the inside connecting strip that has set up of fixed intraductal, and set up the straight tube bottom fixed pipe, the straight tube is provided with many, and connect through connecting the pivot between many straight tubes, and set up anchor clamps bottom the straight tube, the expansion pipe and the connecting strip of anchor clamps are connected, when using, push down the object that needs to drag for through straight tube operation anchor clamps, the splint shrink of anchor clamps when pushing down, and upwards pull up through the screw rod, make anchor clamps press from both sides tightly the object, then spacing knob on the rotatory screw rod, the removal to the screw rod is restricted, can fix the centre gripping to the object to anchor clamps, then extract the device, can accomplish salvaging the object promptly, and easy operation, and be convenient for salvage various objects.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the fixing tube of the present invention;

FIG. 3 is an enlarged view of a portion of the area A of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the structure of the clamp of the present invention;

fig. 5 is a schematic view of the splint structure of the present invention.

Wherein: the device comprises a fixed pipe-1, a screw-2, a limit knob-3, a connecting strip-4, a support plate-5, a connecting rotating shaft-6, a straight pipe-7, a clamp-8, an outer pipe-81, a movable pipe-82, a connecting rod-83, a support plate-84, a movable rotating shaft-85, a connecting rod-86, a support frame-87, a straight rod-88, a clamp plate-89, an arc-shaped plate-891, a bump-892 and a rubber pad-893.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a fishing device for oil field borehole operation through the improvement, including fixed pipe 1 and anchor clamps 8, fixed pipe 1 top has inserted screw rod 2, limit knob 3 has been cup jointed to the outside of screw rod 2, and carry out threaded connection with limit knob 3, screw rod 2 bottom is connected with connecting strip 4, fixed pipe 1 bottom front side is provided with extension board 5, extension board 5 bottom is connected with straight tube 7 through connecting pivot 6 and rotation, connecting strip 4 bottom runs through straight tube 7 and is connected with anchor clamps 8, straight tube 7 bottom is through the bolt and anchor clamps 8 looks lock solid, anchor clamps 8 comprises outer tube 81, movable tube 82, connecting rod 83, backup pad 84, activity pivot 85, connecting rod 86, braced frame 87, straight-bar 88 and splint 89, movable tube 82 has been inserted to the inside 81, movable tube 82 bottom and connecting rod 83 mutual welding, and connecting rod 83 bottom and backup pad 84 mutual welding, the middle of the front end of the connecting rod 83 is rotatably connected with one end of a connecting rod 86 through a movable rotating shaft 85, the other end of the connecting rod 86 is rotatably connected with a straight rod 88 through a rotating shaft, a supporting frame 87 is welded on the outer side of the outer pipe 81, the bottom end of the supporting frame 87 is rotatably connected with the straight rod 88 through a rotating shaft, the bottom end of the straight rod 88 is welded with a clamping plate 89, the top end of the outer pipe 81 is mutually locked with the straight pipe 7 through a bolt, and the bottom end of the.

Further, splint 89 comprises arc 891, lug 892 and rubber pad 893, the welding of the inboard bottom of arc 891 has lug 892, and the inboard bonding of lug 892 has rubber pad 893, arc 891 top middle part and straight-bar 88 are welded each other.

Further,

fixed pipe

1 and 7 inner walls of straight tube are smooth form, and

fixed pipe

1 and 7 inner walls of straight tube and the laminating of connecting strip 4 make connecting strip 3 slide along

fixed pipe

1 and 7 inner walls of straight tube.

Further, the straight tubes 7 are provided with two straight tubes 7, the two straight tubes 7 are connected with the connecting rotating shaft 6 through the support plates 5, the straight tubes 7 can be provided with a plurality of connections according to use requirements, so that the straight tubes 7 can be bent, and the straight tubes are convenient to store.

Further, the surface of the movable tube 82 is smooth, and the inner wall of the outer tube 81 is attached to the movable tube 82 to limit the moving track of the movable tube 82.

Further, the connecting rods 86 are provided with two connecting rods 86, the clamping plates 89 are welded on the two connecting rods 86, the two connecting rods 86 incline outwards from top to bottom, and the movable rotating shaft 85 is made to shrink between the two straight rods 88 pulled through the connecting rods 86 when moving upwards.

Further, the protruding block 892 is arc-shaped, and the thickness of the protruding block 892 is one centimeter, so that the object can be clamped conveniently.

Further, rubber pad 893's thickness is 5 millimeters, and the rubber pad 893 outside is provided with anti-skidding line, increases rubber pad 893's antiskid degree, and then is convenient for carry out the centre gripping to the object fixed.

Further, the connecting rod 86 and the straight rod 88 are made of stainless steel, so that the hardness is high, and the rust is not easy to generate.

Furthermore, rubber pad 893 adopts the butadiene acrylonitrile rubber material, and extrusion resistance intensity is big, and not fragile.

The utility model provides a salvaging device for the oil field downhole operation through improvement, which has the following working principle;

firstly, before use, firstly, the straight pipes 7 of the device are extended, as the straight pipes 7 are provided with a plurality of straight pipes 7 which are connected through the connecting rotating shaft 6, the device is extended after the straight pipes 7 are extended, then the clamp 8 is placed into an oil well of an oil field through the straight pipes 7, the bottom end of the clamp 8 is aligned to an object to be salvaged, then the clamp 8 is pressed downwards through the straight pipes 7, the object is pressed downwards by the supporting plate 84 in the clamp 8, the supporting plate 84 moves upwards, the supporting plate 84 drives the movable rotating shaft 85 to move upwards, as the connecting rods 86 are provided with two, the clamping plates 89 are welded on the two connecting rods 86, the two connecting rods 86 are inclined outwards from top to bottom, when the movable rotating shaft 85 moves upwards, the straight rods 88 are pulled to be contracted through the connecting rods 86, the straight rods 88 drive the two clamping plates 89 at the bottom to be contracted, and the clamping plates 89 clamp the object through the lugs, then the screw rod 2 is pulled upwards to enable the clamp 8 to clamp the object, then the limit knob 3 on the screw rod 2 is rotated, the limit knob 3 moves downwards through the thread fit between the limit knob 3 and the screw rod 8, the screw rod 2 pulls the connecting strip 3 upwards to increase the clamping effect of the clamp 8, the movement of the screw rod 2 is limited, the clamp 8 can be used for fixedly clamping the object, then the device is extracted, the object can be salvaged, the operation is simple, and various objects can be conveniently salvaged;

second, after using, because straight tube 7 can be provided with many connections according to the user demand, make and buckle between the straight tube 7, be convenient for accomodate.

The utility model provides a salvaging device for the oil field downhole operation through improvement, through arranging a connecting strip 3 in a fixed pipe 1, the bottom of the fixed pipe 1 is provided with a plurality of straight pipes 7, the plurality of straight pipes 7 are connected through a connecting rotating shaft 6, and the bottom of the straight pipe 7 is provided with a clamp 8, the movable pipe 82 of the clamp 8 is connected with the connecting strip 3, when in use, the straight pipe 7 operates the clamp 8 to press down the object to be fished up, the clamp plate 89 of the clamp 8 contracts when the object is pressed down, and the screw rod 2 is pulled upwards to enable the clamp 8 to clamp the object, then the limit knob 3 on the screw rod 2 is rotated to limit the movement of the screw rod 2, can fix the centre gripping to anchor clamps 8 to the object, then with the device extraction, can accomplish the salvage to the object, easy operation, and be convenient for salvage various objects.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fishing device for oilfield downhole operation comprises a fixed pipe (1), wherein a screw rod (2) is inserted into the top end of the fixed pipe (1), a limit knob (3) is sleeved on the outer side of the screw rod (2) and is in threaded connection with the limit knob (3), the bottom end of the screw rod (2) is connected with a connecting strip (4), a supporting plate (5) is arranged on the front side of the bottom end of the fixed pipe (1), and the bottom end of the supporting plate (5) is rotatably connected with a straight pipe (7) through a connecting rotating shaft (6);

the method is characterized in that: still include anchor clamps (8), straight tube (7) are run through to connecting strip (4) bottom and anchor clamps (8) are connected, straight tube (7) bottom is through bolt and anchor clamps (8) lock solid each other, anchor clamps (8) comprise outer tube (81), activity pipe (82), connecting rod (83), backup pad (84), activity pivot (85), connecting rod (86), braced frame (87), straight-bar (88) and splint (89), activity pipe (82) have been inserted to outer tube (81) inside, activity pipe (82) bottom and connecting rod (83) are mutual welding, and connecting rod (83) bottom and backup pad (84) are mutual welding, connecting rod (83) front end middle part is rotated through activity pivot (85) and connecting rod (86) one end and is connected, and connecting rod (86) other end is rotated through pivot and straight-bar (88) and is connected, braced frame (87) have in outer tube (81) outside welding, the bottom end of the supporting frame (87) is rotatably connected with a straight rod (88) through a rotating shaft, the bottom end of the straight rod (88) is welded with a clamping plate (89), the top end of the outer tube (81) is locked with the straight tube (7) through a bolt, and the bottom end of the connecting strip (4) is connected with the movable tube (82).

2. The fishing device for the oil field downhole operation according to claim 1, wherein: splint (89) comprise arc (891), lug (892) and rubber pad (893), the welding of arc (891) inboard bottom has lug (892), and lug (892) inboard bonding has rubber pad (893), arc (891) top middle part and straight-bar (88) are welded each other.

3. The fishing device for the oil field downhole operation according to claim 1, wherein: the inner walls of the fixed pipe (1) and the straight pipe (7) are smooth, and the inner walls of the fixed pipe (1) and the straight pipe (7) are attached to the connecting strip (4).

4. The fishing device for the oil field downhole operation according to claim 1, wherein: the number of the straight pipes (7) is two, and the two straight pipes (7) are connected through the support plate (5) and the connecting rotating shaft (6).

5. The fishing device for the oil field downhole operation according to claim 1, wherein: the surface of the movable pipe (82) is smooth, and the inner wall of the outer pipe (81) is attached to the movable pipe (82).

6. The fishing device for the oil field downhole operation according to claim 1, wherein: connecting rod (86) are provided with two, and splint (89) have all been welded in two connecting rod (86), and two connecting rod (86) all lean out from top to bottom.

7. The fishing device for the oil field downhole operation according to claim 2, wherein: the bump (892) is arc-shaped, and the thickness of the bump (892) is one centimeter.

8. The fishing device for the oil field downhole operation according to claim 2, wherein: the thickness of rubber pad (893) is 5 millimeters, and rubber pad (893) outside is provided with anti-skidding line.