CN209385089U - Plug for eccentricity hole fishing tool - Google Patents

Plug for eccentricity hole fishing tool Download PDF

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Publication number
CN209385089U
CN209385089U CN201821582035.0U CN201821582035U CN209385089U CN 209385089 U CN209385089 U CN 209385089U CN 201821582035 U CN201821582035 U CN 201821582035U CN 209385089 U CN209385089 U CN 209385089U
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CN
China
Prior art keywords
fishing
fishing socket
plug
socket
operating stick
Prior art date
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Active
Application number
CN201821582035.0U
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Chinese (zh)
Inventor
龚险峰
赵杰
王玉环
胡辉
徐红霞
吴桂英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oil Recovering Plant No 3 Zhongyuan Oil Field Branch Chinese Petro-Chemical Co
China Petroleum and Chemical Corp
Original Assignee
Oil Recovering Plant No 3 Zhongyuan Oil Field Branch Chinese Petro-Chemical Co
China Petroleum and Chemical Corp
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Publication date
Application filed by Oil Recovering Plant No 3 Zhongyuan Oil Field Branch Chinese Petro-Chemical Co, China Petroleum and Chemical Corp filed Critical Oil Recovering Plant No 3 Zhongyuan Oil Field Branch Chinese Petro-Chemical Co
Priority to CN201821582035.0U priority Critical patent/CN209385089U/en
Application granted granted Critical
Publication of CN209385089U publication Critical patent/CN209385089U/en
Active legal-status Critical Current
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Abstract

The utility model relates to a kind of plug for eccentricity hole fishing tools.Plug for eccentricity hole fishing tool includes operating stick and the fishing socket that connect with operating stick, fishing socket bottom is provided with the slip assemblies in fishing socket, reset spring and inner conical surface are equipped in fishing socket, the spiral slide axially extending along fishing socket is provided on the fishing socket, it is provided in operating stick and is oriented to the slideway auxiliary section being slidably matched with spiral slide, the bottom of fishing socket is provided with the cleaning sawtooth along fishing socket circumferentially.Fishing socket is rotated by operating stick and the helical duct cooperation on fishing socket when use, make the equal sundries at the top of the cleaning sawtooth cleaning eccentric injection mandrel on fishing socket, it is blocked until the fishing head on blanking plug enters in fishing socket by slip assemblies, entire salvaging process does not need special next time cleaning tool, solves the problems, such as that current plug for eccentricity hole needs specially to salvage low efficiency caused by next time cleaning tool into well during salvaging.

Description

Plug for eccentricity hole fishing tool
Technical field
The utility model relates to a kind of plug for eccentricity hole fishing tools.
Background technique
Eccentric injection mandrel is the important tool of separated-zone water infection oil field operation, and eccentric injection mandrel mainly includes seating nipple and blocking Two parts of device, wherein seating nipple is provided with eccentric orfice, and blanking plug is arranged in eccentric orfice, during seperated layer water injection, stream Meter running string checks that each eccentric injection mandrel water injection rate needs to pull out blanking plug if unqualified, replaces blanking plug. It is often used blanking plug pulling and running tool at present to salvage blanking plug, such as Authorization Notice No. is CN206376791U, authorization is public It accuses the Chinese utility model patent that day is 2017.08.04 and discloses a kind of plug for eccentricity hole fishing tool, eccentric center water-distributing Device blanking plug fishing tool includes operating stick and fishing head, and fishing head includes support and the fishing head for blocking blanking plug Fishing socket, slips, wiper block, the reset spring for applying elastic force to slips are provided in fishing socket, and slips and wiper block constitute card Watt component, slip assemblies and when salvaging blanking plug using fishing tool, the active force applied by operating stick makes beating for blanking plug Fishing head enters in fishing socket, and two in fishing socket slips blocks the fishing head of blanking plug, to complete to salvage.
In actual production, eccentric injection mandrel is in underground for a long time, by fouling, the factors such as shake out, corrode It influences, usually will appear the problem of blanking plug fishing head is buried, fishing socket is difficult in place, cause to salvage failure, influences to salvage work The salvaging efficiency of work.The Chinese utility model that Authorization Notice No. is CN205503096U, authorized announcement date is 2016.08.24 is special Benefit discloses a kind of inclined hole top cleaning tool of eccentric injection mandrel, including outer cylinder and the non-movable piston being arranged on outer cylinder, outer cylinder Bottom is provided with cleaning cutter head, and two opposite spiral slides are offered on the wall of outer cylinder, and non-movable piston is slidedly assemblied in spiral In slideway, when non-movable piston moves down, the slideway pin in non-movable piston drives outer cylinder rotation, and then drives the clear of lower section Cutter head rotation is managed, down-hole string is cleared up.
During eccentric injection mandrel is salvaged at present, in the case where encountering salvaging failure, it will usually use eccentric injection mandrel Top cleaning tool at the top of eccentric injection mandrel fouling, shake out situations such as clear up, cleaning complete backed off after random cleaning tool, It reuses fishing tool and salvages blanking plug.Entire process of salvaging needs the specially next time cleaning tool into well, causes to salvage Low efficiency problem.
Utility model content
The purpose of the utility model is to provide a kind of plug for eccentricity hole fishing tools, are matched with the bias for solving current Hydrophone blanking plug needs the problem of specially salvaging low efficiency caused by next time cleaning tool into well during salvaging.
To achieve the above object, the technical solution of the plug for eccentricity hole fishing tool of the utility model are as follows: eccentric Injection well downhole flow regulator blanking plug fishing tool includes operating stick and the fishing socket that connect with operating stick, and fishing socket bottom is provided in salvaging Slip assemblies in cylinder, interior be equipped with of fishing socket apply to the reset spring of down spring slip assemblies and support with slip assemblies bottom end The inner conical surface for pushing up cooperation is provided with the spiral slide axially extending along fishing socket on the fishing socket, be provided in operating stick with Spiral slide guiding is slidably matched so as to drive the slideway auxiliary section of fishing socket rotation, the bottom of fishing socket when operating stick moves up and down Portion is provided with along fishing socket circumferentially with the cleaning sawtooth of the cleaning sundries when fishing socket rotates.
The utility model has the beneficial effects that being set on the fishing socket of the plug for eccentricity hole fishing tool of the utility model It is equipped with cleaning sawtooth, rotates fishing socket by operating stick and the cooperation of the helical duct on fishing socket when use, make on fishing socket Cleaning sawtooth cleaning eccentric injection mandrel at the top of fouling, the sundries such as shake out, until the fishing head on blanking plug enters fishing socket It is interior to be blocked by slip assemblies, salvaging of the fishing tool completion to blanking plug is above proposed, entire salvaging process does not need next time special Cleaning tool solves current plug for eccentricity hole and needs the specially next time cleaning tool into well during salvaging Caused by salvaging low efficiency the problem of.
Further, it assembles for convenience, the spiral slide is the helical form sliding slot or spiral shell being arranged on fishing socket Shape long hole is revolved, the operating stick includes the body of rod and the spacer pin across the body of rod, and the spacer pin protrudes into spiral slide, spacer pin The part for protruding into spiral slide constitutes the slideway auxiliary section.Spacer pin is set in operating stick, it is easy for installation.
Further, in order to reduce the volume of operating stick, the operating stick is protruded into fishing socket, and the slideway auxiliary section is set It sets on protruding into the part in fishing socket, compared to the blind hole entered for fishing socket is arranged in operating stick, operating stick protrudes into salvaging Operating stick volume can be reduced in cylinder, while guaranteeing the operating space in well, facilitate the operation of fishing tool.
Further, the reset spring presses against between slip assemblies and operating stick, and reset spring can either be to slips Component provides the fishing head that reset response power makes slip assemblies clamping blanking plug, or operating stick provides the effect resetted Power facilitates operation.
Further, in order to avoid slip assemblies blocking, the fishing socket bottom is equipped with above cleaning sawtooth for beating The sundries tap that sundries is discharged in dipper can pass through sundries into the sundries in fishing socket during clearing up sundries Tap discharge, avoids slip assemblies from blocking, guarantees the normal work of fishing tool.
Further, position opposite with sundries tap in the slip assemblies is provided with the evacuation passed through for sundries Hole prevents slips from blocking sundries tap
Further, the sundries tap is the long hole vertically extended, and sundries tap is made to be not easy to be blocked Plug.
Further, the spiral slide setting at least two.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the specific embodiment 1 of the plug for eccentricity hole fishing tool of the utility model;
Fig. 2 is the partial structurtes signal of the specific embodiment 2 of the plug for eccentricity hole fishing tool of the utility model Figure
In figure: 1, operating stick;11, spacer pin;111, slideway auxiliary section;2, fishing socket;21, spiral slide;22, cleaning saw Tooth;23, inner conical surface;24, sundries tap;3, slips;31, grab;32, avoid holes;4, reset spring;5, partition.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment 1 of the utility model plug for eccentricity hole fishing tool, as shown in Figure 1, eccentric injection mandrel Blanking plug fishing tool includes operating stick 1 and the fishing socket connecting with operating stick 12, and slip assemblies and right are provided in fishing socket 2 Slip assemblies provide the reset spring 4 to down spring.
Slip assemblies include two slips being oppositely arranged 3 in the present embodiment, and 2 bottom inside of fishing socket is provided with and slips The inner conical surface 23 of cooperation is supported in the bottom end of component, after the fishing head of blanking plug enters in fishing socket 2, in blanking plug fishing head Under press effect, the bottom end of two slips 3 of slip assemblies moves upwards while being flared out along inner conical surface 23 respectively, until stifled The fishing head of plug device enters between two slips 3 to be blocked by the grab 31 on slips 3, under the action of reset spring 4, two cards Watts 3 bottom end moves downward contraction along inner conical surface 23, and blanking plug fishing head cannot be detached from slip assemblies, until blanking plug is salvaged Out.The specific structure of slip assemblies in the present embodiment is the prior art, and no longer excessive herein to introduce, the form of slip assemblies has It is a variety of, however it is not limited to the one kind gone out given in the present embodiment, such as can also be using in cited documents in background technique Slip assemblies used in fishing tool.
Sundries is cleared up while salvaging blanking plug in order to realize, the bottom of fishing socket 2 is provided with cleaning sawtooth 22, cleaning The lower section of inner conical surface 23 is arranged in sawtooth 22, and fishing socket 2 is equipped with the spiral slide 21 axially extending along fishing socket 2, operating stick 1 It is equipped with to be oriented to spiral slide 21 and be slidably matched so that the slideway for driving fishing socket 2 to rotate when operating stick 1 moves up and down cooperates Portion 111, when fishing socket 2 rotates, cleaning sawtooth 22 can clear up the sundries at eccentric injection mandrel, clean out the salvaging of blanking plug Head can smoothly enter into fishing head and complete to salvage in fishing socket 2.
In order to guarantee stability, the spiral slide 21 in the present embodiment is arranged two, in other embodiments, according to actual Can be only arranged by needing spiral slide by one, but the active force that fishing socket is subject to when being arranged one is unbalanced, at this time in order to Fishing socket and operating stick deflection are avoided, operating stick can be made to be oriented in above-below direction with fishing socket and be slidably matched, such as operating stick It protrudes into fishing socket to be oriented to along the vertical direction with fishing socket barrel and be slidably matched.Certainly, three also be can be set in other embodiments A, any number of spiral slides such as four.
In the present embodiment, in order to facilitate the installation of, while reducing the volume of fishing socket 2, operating stick 1 protrudes into fishing socket 2, behaviour Make bar 1 and is equipped with spacer pin 11 with the part that the body of rod protrudes into fishing socket 2 is arranged in including the body of rod, the spiral slide on fishing socket 2 Road 21 is the helical form long hole being arranged on fishing socket 2, and the both ends of spacer pin 11 are in spiral long hole, and spacer pin 11 protrudes into The part of spiral slide 21 constitutes slideway auxiliary section 111.In other embodiments, in the case where underground space is met the requirements, behaviour Make that blind hole can be set on bar, the upper end of fishing socket is inserted into blind hole.In other embodiments, the spiral slide on fishing socket can To be inwardly projecting helical form protrusion, the sliding slot that setting is adapted to protrusion in operation at this time, in order to avoid sliding slot and helical form Protrusion interferes, and arc structure should be arranged at sliding slot notch at this time, and helical form protrusion is arc-shaped it is preferably provided as section Circular arc protrusion.In other embodiments, spiral slide is also possible to that the spiral chute of fishing socket inner wall is arranged in.
Reset spring 4 in the present embodiment presses against between operating stick 1 and slip assemblies, and reset spring 4 can either be with card Watt component, which applies elastic force, makes its reset, and also can apply elastic force to operating stick 1 make its reset, facilitates operation.
In the present embodiment, in order to further increase salvaging efficiency, 2 bottom of fishing socket is provided in 22 top of cleaning sawtooth It, can be with into the sundries in fishing socket 2 during clearing up sundries for the sundries tap 24 that sundries in fishing socket 2 is discharged It is discharged by sundries tap 24, sundries is avoided to accumulate in fishing socket 2, improved and salvage efficiency.In other embodiments, fishing socket It is interior there is no sundries tap, every time complete salvage when cleaning fishing socket or during salvaging by vibration etc. modes from Sundries is discharged in fishing socket bottom.Further, sundries tap 24 is the long hole vertically extended, avoids blocking, other In embodiment, sundries tap is also possible to the shapes such as circular hole, square hole.In addition, in order to avoid slip assemblies stop sundries discharge, The position opposite with sundries tap is provided with the avoid holes 32 passed through for sundries in slip assemblies, certainly, in other embodiments, The slips of slip assemblies can also be staggeredly arranged with sundries tap, can be not provided with avoid holes in slip assemblies at this time.
The specific embodiment 2 of the utility model plug for eccentricity hole fishing tool, the present embodiment and above-mentioned specific reality The difference for applying example 1 is only that: as shown in Fig. 2, partition 5 is arranged in fishing socket 2, reset spring 4 is arranged in partition 5 and slip assemblies Between, reset spring is used only for applying elastic force for slip assemblies at this time, in order to avoid partition and operating stick interfere, at this time The lower section of spiral slide 21 is arranged in partition 5.Assembly slip assemblies and spring, fishing socket include upper for convenience in the present embodiment Under removable first part and second part, wherein partition setting over the first portion, the setting of cleaning sawtooth on the second portion, It is not represented in figure.

Claims (8)

1. plug for eccentricity hole fishing tool, including operating stick and the fishing socket connecting with operating stick, fishing socket bottom is set Be equipped with the slip assemblies in the fishing socket, be equipped in fishing socket to slip assemblies apply to down spring reset spring and with card Watt component bottom end support the inner conical surface of cooperation, it is characterised in that: the spiral shell axially extending along fishing socket is provided on the fishing socket Slideway is revolved, is provided with and is slidably matched with spiral slide guiding so as to drive fishing socket rotation when operating stick moves up and down in operating stick Slideway auxiliary section, the bottom of fishing socket be provided with along fishing socket circumferentially with when fishing socket rotates clear up sundries cleaning Sawtooth.
2. plug for eccentricity hole fishing tool according to claim 1, it is characterised in that: the spiral slide is to set Set helical form sliding slot or helical form long hole on fishing socket, the operating stick includes the body of rod and the spacer pin across the body of rod, The spacer pin protrudes into spiral slide, and the part that spacer pin protrudes into spiral slide constitutes the slideway auxiliary section.
3. plug for eccentricity hole fishing tool according to claim 1 or 2, it is characterised in that: the operating stick is stretched Enter in fishing socket, the slideway auxiliary section, which is arranged in, to be protruded on the part in fishing socket.
4. plug for eccentricity hole fishing tool according to claim 3, it is characterised in that: the reset spring press Between slip assemblies and operating stick.
5. plug for eccentricity hole fishing tool according to claim 1 or 2, it is characterised in that: the fishing socket bottom Portion is equipped with the sundries tap being discharged above cleaning sawtooth for sundries in fishing socket.
6. plug for eccentricity hole fishing tool according to claim 5, it is characterised in that: in the slip assemblies with The opposite position of sundries tap is provided with the avoid holes passed through for sundries.
7. plug for eccentricity hole fishing tool according to claim 5, it is characterised in that: the sundries tap is The long hole vertically extended.
8. plug for eccentricity hole fishing tool according to claim 1 or 2, it is characterised in that: the spiral slide Setting at least two.
CN201821582035.0U 2018-09-27 2018-09-27 Plug for eccentricity hole fishing tool Active CN209385089U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821582035.0U CN209385089U (en) 2018-09-27 2018-09-27 Plug for eccentricity hole fishing tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821582035.0U CN209385089U (en) 2018-09-27 2018-09-27 Plug for eccentricity hole fishing tool

Publications (1)

Publication Number Publication Date
CN209385089U true CN209385089U (en) 2019-09-13

Family

ID=67870003

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821582035.0U Active CN209385089U (en) 2018-09-27 2018-09-27 Plug for eccentricity hole fishing tool

Country Status (1)

Country Link
CN (1) CN209385089U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112696166A (en) * 2019-10-23 2021-04-23 中国石油化工股份有限公司 Fishing tool for underground falling objects

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112696166A (en) * 2019-10-23 2021-04-23 中国石油化工股份有限公司 Fishing tool for underground falling objects
CN112696166B (en) * 2019-10-23 2022-07-26 中国石油化工股份有限公司 Fishing tool for underground falling objects

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