CN209838358U

CN209838358U - Oil field is a fishing barrel in pit

Info

Publication number: CN209838358U
Application number: CN201920146084.8U
Authority: CN
Inventors: 陈广鑫; 郑亚维; 张光鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-28
Filing date: 2019-01-28
Publication date: 2019-12-24
Anticipated expiration: 2029-01-28

Abstract

The utility model relates to an oil field downhole fishing barrel, which comprises an outer barrel and an inner barrel, wherein the outer barrel is sleeved and installed at the outer side of the inner barrel, the bottom of the inner barrel is connected with a sleeve, a motor installation cavity is arranged in the inner barrel, a motor is fixedly installed in the motor installation cavity, a rotating rod is arranged in the sleeve, a power output shaft of the motor is fixedly connected with the rotating rod, a liquid pumping hole is arranged at the outer side of the motor installation cavity on the inner barrel, and a filtering mechanism is installed at the bottom of the liquid pumping hole. The fishing success rate is improved.

Description

Oil field is a fishing barrel in pit

Technical Field

The utility model relates to a technical field is salvaged in the pit, concretely relates to oil field is a salvage section of thick bamboo in pit.

Background

At present, oil well fishing work is acknowledged to be work with complex and variable conditions and huge operation difficulty, and used tools are various. In the process of fishing, the fishing tool is often stuck, especially in a horizontal well and an inclined well, the pipe bodies are easy to displace, sediment is easy to deposit, and the sticking condition is more frequent. The reasons for blocking are various, and are roughly divided into the blocking caused by falling objects, the blocking caused by silt, the blocking caused by dislocation of a pipe column, the blocking caused by corrosion or wax deposition of the pipe column, and the different blocking conditions are generally treated in different manners; the mode of dealing with the stuck pipe is the blasting method, the jar shocking method and a plurality of other methods which are most commonly used, the stuck pipe releasing mode is not only easy to cause the damage of a pipe column and equipment, but also has higher requirements on the connection tightness between the fishing equipment, once the connection fracture and other conditions occur, the fishing tool is detained underground, the fishing work is harder, and the oil well can be abandoned in serious cases.

For softer and low-strength fallen objects such as underground ropes, the problems that the fallen objects are not easy to wind, the fallen objects such as the ropes are easy to break, the success rate of one-time complete fishing is low and the like exist when common fishing hook tools are used for fishing. In the process of salvaging thin rod type falling objects, the rods are easy to bend by salvaging with common rod type salvaging tools, the subsequent salvaging difficulty is high, salvaging is carried out by matching with salvaging hook type tools, and the construction process is complex. The salvage object is easy to fall off during salvage, the salvage tool has single function, complex conditions are inconvenient to use in a mutually matched mode, and operation procedures and cost are increased. Based on this, the utility model designs an oil field is a fishing barrel in pit to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an at least defect among the prior art is overcome to a main aim at, provides an oil field fishing barrel in pit to the ordinary fishing hook class instrument of utilization that proposes in solving above-mentioned background art salvages and exists difficult winding, easily breaks rope class junk, once only salvages the low scheduling problem of success rate completely. In the process of salvaging thin rod type falling objects, the rods are easy to bend by salvaging with common rod type salvaging tools, the subsequent salvaging difficulty is high, salvaging is carried out by matching with salvaging hook type tools, and the construction process is complex. The problem of operation process and cost have been increased to easy salvage thing easy drop when salvaging, fishing tool function singleness, the not convenient use of mutually supporting of being not convenient for complicated situation.

In order to realize the technical scheme, the utility model discloses a following technical scheme:

according to the utility model discloses an aspect provides an oil field is a fishing barrel in pit, including urceolus and inner tube, the urceolus cup joints the outside of installing at the inner tube, the bottom of inner tube is connected with the sleeve, be provided with the motor installation cavity in the inner tube, fixed mounting has the motor in the motor installation cavity, be provided with the bull stick in the sleeve, the power output shaft and the bull stick fixed connection of motor, the liquid hole of taking out has been seted up in the outside that lies in the motor installation cavity on the inner tube, filtering mechanism is installed to the bottom in liquid hole of taking out, install the circulating pump in the urceolus, the delivery port on the urceolus is connected to the play water end of circulating pump, annular is arranged on the bull stick and is provided with and colludes the claw.

Preferably, the sleeve and the inner cylinder are connected through a lantern ring, and the lantern ring, the inner cylinder and the sleeve are fastened through two rows of fastening bolts.

Preferably, the motor installation cavity is closed through an overhaul case cover, and waterproof sealing is carried out between the overhaul case cover and the inner cylinder through a sealing ring.

Preferably, a hanging ring is welded at the center of the top of the outer barrel, and a steel cable is connected to the hanging ring.

Preferably, filtering mechanism includes the tourus, install circular filter screen in the tourus, the tourus set up quantity and drawing liquid hole the same, and the tourus joint is in the bottom of drawing liquid hole.

Preferably, the annular ring body is welded on a connecting ring, and the connecting ring is fixedly arranged below the inner cylinder through bolts.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model overcomes ordinary salvage rope class and the shortcoming of thin pole class junk instrument function singleness, will salvage the thing through the circulating pump and draw along with silt, filtering mechanism filters debris, and salvage is convenient for adsorb the inner tube in, and the motor drives the bull stick and rotates, colludes claw cooperation barb and carries out whole rotation cover and get, and the bull stick is finished around rolling up, fixes salvage, has saved the construction process, has saved the time, has improved and has salvaged the success rate.

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 description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an oilfield downhole overshot according to the present invention;

FIG. 2 is a schematic view of the hook claw and barb structure of the present invention;

fig. 3 is a schematic structural diagram of the filtering mechanism of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-outer cylinder, 2-inner cylinder, 3-sleeve, 4-motor installation cavity, 5-motor, 6-maintenance box cover, 7-circulating pump, 8-water outlet, 9-liquid extraction hole, 10-filtering mechanism, 11-barb, 12-rotating rod, 13-claw, 14-lantern ring, 15-hanging ring, 16-steel cable, 17-torus, 18-circular filter screen and 19-connecting ring.

Detailed Description

In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "inner," "upper," "lower," and the like, refer to an orientation or a state relationship based on that shown in the drawings, which is for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention is understood according to the specific situation.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-3, the oilfield downhole fishing cylinder of the present invention comprises an outer cylinder 1 and an inner cylinder 2, the outer cylinder 1 is sleeved on the outer side of the inner cylinder 2, the bottom of the inner cylinder 2 is connected with a sleeve 3, a motor installation cavity 4 is arranged in the inner cylinder 2, a motor 5 is fixedly arranged in the motor installation cavity 4, a rotating rod 12 is arranged in the sleeve 3, a power output shaft of the motor 5 is fixedly connected with the rotating rod 12, and waterproof sealing is carried out between the power output shaft of the motor 5 and the inner barrel 2 through a water stop ring, a liquid pumping hole 9 is formed in the outer side of the motor installation cavity 4 on the inner barrel 2, a filtering mechanism 10 is installed at the bottom of the liquid pumping hole 9, a circulating pump 7 is installed in the outer barrel 1, the water outlet end of the circulating pump 7 is connected with a water outlet 8 on the outer barrel 1, hook claws 13 are arranged on the rotating rod 12 in a ring shape, and barbs 11 are arranged on the inner wall of the inner barrel 2 in a ring shape.

Wherein, the sleeve 3 is connected with the inner cylinder 2 through a lantern ring 14, and the lantern ring 14 is fastened with the inner cylinder 2 and the sleeve 3 through two rows of fastening bolts.

Wherein, motor installation cavity 4 is closed through maintenance case lid 6, carries out waterproof sealing through the sealing ring between maintenance case lid 6 and the inner tube 2.

Wherein, the top center welding of urceolus 1 has rings 15, is connected with steel cable 16 on rings 15.

Wherein, filtering mechanism 10 includes torus 17, installs circular filter screen 18 in the torus 17, and the setting quantity of torus 17 is the same with drawing liquid hole 9, and the bottom at drawing liquid hole 9 of torus 17 joint.

Wherein, the ring body 17 is welded on the connecting ring 19, and the connecting ring 19 is tightly installed below the inner cylinder 2 through bolts.

One specific application of this embodiment is: the fishing device is put into the underground through a lifter, the motor 5 and the circulating pump 7 are externally connected with an underground power supply through electric wires, the circulating pump 7 works to extract silt in the sleeve 3, the circular filter screen 18 of the filter mechanism 10 blocks sundries, the silt is sequentially pumped out to the circulating pump 7 through the sleeve 3 and the liquid pumping hole 9 and then is discharged through the water outlet 8, the salvaged objects are extracted into the sleeve 3, the motor 5 drives the rotating rod 9 to rotate, and the thin ropes and the thin rod objects falling down in the underground are wound on the hook claws 13 and the barbs 11, when fixing the coiling a period of time to salvage, motor 5 closes, and 16 lifting fishing device bodies of steel cable, salvage and carry out upwards drawing, are connected through lantern ring 14 between sleeve 3 and the inner tube 2, convenient to detach, and outer tube 1 cup joints and installs and carry out fixed mounting in the 2 outsides of inner tube, is convenient for carry out the overhaul of the equipments.

It is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth herein. The present invention is capable of other embodiments and of being practiced and carried out in a variety of ways. The foregoing variations and modifications fall within the scope of the present invention. It will be understood that the invention disclosed and defined herein extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. The embodiments described herein explain the best modes known for practicing the invention and will enable others skilled in the art to utilize the invention.

Claims

1. The utility model provides an oil field is a fishing barrel in pit, includes urceolus and inner tube, its characterized in that, the urceolus cup joints the outside of installing at the inner tube, the bottom of inner tube is connected with the sleeve, be provided with the motor installation cavity in the inner tube, fixed mounting has the motor in the motor installation cavity, be provided with the bull stick in the sleeve, the power output shaft and the bull stick fixed connection of motor, the liquid hole of taking out has been seted up in the outside that lies in the motor installation cavity on the inner tube, filtering mechanism is installed to the bottom in liquid hole of taking out, install the circulating pump in the urceolus, the delivery port on the urceolus is connected to the play water end of circulating pump, annular is arranged on the bull stick and is provided with the.

2. The oilfield downhole overshot of claim 1, wherein the sleeve and the inner barrel are connected by a collar, and the collar and the inner barrel and the sleeve are fastened by two rows of fastening bolts.

3. The oilfield downhole overshot of claim 1, wherein the motor mounting cavity is closed by a service cover, and the service cover is sealed from the inner barrel by a sealing ring.

4. The oilfield downhole overshot of claim 1, wherein a lifting ring is welded to the center of the top of the outer cylinder, and a steel cable is connected to the lifting ring.

5. The oilfield downhole overshot of claim 1, wherein the filtering mechanism comprises a ring body, a circular filter screen is installed in the ring body, the number of the ring body is the same as the number of the liquid pumping holes, and the ring body is clamped at the bottom of the liquid pumping holes.

6. The oilfield downhole overshot of claim 5, wherein the annular ring is welded to a connecting ring, and the connecting ring is fixedly mounted below the inner barrel by bolts.