CN206429218U - A kind of cementing device fisher - Google Patents

A kind of cementing device fisher Download PDF

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Publication number
CN206429218U
CN206429218U CN201621163229.8U CN201621163229U CN206429218U CN 206429218 U CN206429218 U CN 206429218U CN 201621163229 U CN201621163229 U CN 201621163229U CN 206429218 U CN206429218 U CN 206429218U
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China
Prior art keywords
cone
slips
inner barrel
cementing device
group
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CN201621163229.8U
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Chinese (zh)
Inventor
李怀林
辛红伟
薛红星
孙春芳
王成周
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Dezhou Longke Petroleum Equipment Co Ltd
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Dezhou Longke Petroleum Equipment Co Ltd
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Priority to CN201621163229.8U priority Critical patent/CN206429218U/en
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Abstract

A kind of cementing device fisher, is made up of lifting pipe nipple, inner barrel, upper shell, steel ball, loose collar, removable pin, lower shell, cone, spring, sliding sleeve, screw, push rod, slips, guiding milling cone.Body is from top to bottom, lifting pipe nipple is threadedly coupled with inner barrel, lifting pipe nipple lower end has U-shaped card slot with the T-shaped neck of upper shell with card, upper shell is threadedly coupled with lower shell, threaded connection place press-in bearing group, is moved by the removable pin in bearing group in the length groove on the outside of inner barrel, cone is threadedly coupled with inner barrel, it is from top to bottom spring, sliding sleeve, push rod, slips respectively on the outside of cone, push rod sliding sleeve and slips by mode connects for screw, is oriented to milling cone and is threadedly coupled with lower shell.After cementing completion, each component in inner chamber can be salvaged well head using this kind of cementing device fisher, both shorten well construction period, improved cementing quality, also ensure that latus rectum size in sleeve pipe, not influence subsequently to descend instrument to carry out measure operation.

Description

A kind of cementing device fisher
Technical field
The utility model is related to oil field completion work fishing tool, it is adaptable to which the salvaging after screen casing crest water flooding mud completion is made Industry, belongs to the technical field in terms of a kind of cementing device salvaging without boring plug.
Background technology
With the continuous progress of oil drilling completion technique, it is desirable to completion tool also update and innovate.Screen casing top Portion's cementing well-making method is with the use of the completion practice mode carried out with screen casing and sleeve pipe:Sleeve portion is located at top non-oil Layer;Screen section is located at bottom oil layer.During well cementation, the annular space cementing outside sleeve portion using cementing device.After well cementation is finished, Cementing device inner part and blind plate inner part need to be purged and ensure internal latus rectum, to facilitate the smooth of later stage clean-out service Carry out.Cementing device type is used in well cementation, can be divided into brill plug and be exempted to bore two classes of plug.Bore plunger type cementing device be after well cementation is finished again It is the vibration effect well cementation produced when time-consuming, laborious and brill is filled in that the drawbacks of instrument of sweeping carries out brill plug, this mode is bored in secondary tripping in Quality.By the way that the inner core of cementing device is directly salvaged, i.e., the brill plunger type cementing device of exempting from of present people's research is The time for saving brill plug improves the utility model again.
Utility model content
The purpose of this utility model is to provide for one kind and can smoothly salvaged after completion to exempt from brill formula cementing device inner part Cementing device fisher.
The utility model is by lifting pipe nipple, inner barrel, upper shell, steel ball, loose collar, removable pin, lower shell, cone, bullet Spring, sliding sleeve, the first screw, push rod, the second screw, slips, guiding milling cone composition, it is characterised in that:From top to bottom set respectively, Lifting pipe nipple is threadedly coupled with inner barrel, and lifting pipe nipple lower end has U-shaped card slot to be engaged with the T-shaped neck in upper shell upper end with card, on Cylinder lower end is threadedly coupled with lower shell, steel ball and loose collar and removable pin composition " bearing group ", and " bearing group " passes through removable pin Moved in length groove that can be on the outside of inner barrel, cone is threadedly coupled with inner barrel, be from top to bottom bullet respectively on the outside of cone Spring, sliding sleeve, push rod, slips, push rod respectively connected sliding sleeve and slips by screw, and slips is attached on the conical surface of cone can be relative Slide, slips in the square groove on lower shell, is oriented to milling cone and be threadedly coupled with lower shell, be oriented to milling cone and lower shell all the time And upper shell is defined as " slide outside group ", inner barrel and cone are defined as " the fixed group in inside ";" slide outside group " and " inside Fixed group " is slided by the way that " bearing group " is relative;Being oriented to milling cone front end has brazing alloy and respectively four teeth, by rotating cementing device Fisher can integrally remove residual barrier in well.
Beneficial functional of the present utility model is:The utility model smoothly easily can salvage each component in inner chamber Well head, both shortens well construction period, and also ensuring that does not influence subsequently to descend instrument to carry out measure operation, and is effectively protected the borehole wall Cementing quality.
Brief description of the drawings
Fig. 1 is the non-salvaging status architecture schematic diagram of cementing device fisher described in the utility model embodiment.
Fig. 2 is the cementing device fisher bearing group enlarged diagram described in the utility model embodiment.
Fig. 3 is to move schematic diagram in the cementing device fisher bearing group groove described in the utility model embodiment.
Fig. 4 is that the cementing device fisher described in the utility model embodiment salvages status architecture schematic diagram.
Embodiment
Structural principle of the present utility model and operation principle are described in detail below in conjunction with the accompanying drawings:
The utility model is mainly used in the salvage to exempting from brill formula cementing device inner part;
Referring to Fig. 1, Fig. 2, Fig. 4, the utility model is by lifting pipe nipple(1), inner barrel(2), upper shell(3), steel ball(4)、 Loose collar(5), removable pin(6), lower shell(7), cone(8), spring(9), sliding sleeve(10), the first screw(11), push rod(12)、 Second screw(13), slips(14), be oriented to milling cone(15), solder alloy(16)Composition;The lifting pipe nipple(1)With inner barrel(2) Threaded connection, the lifting pipe nipple(1)Lower end U-shaped card slot and upper shell(3)The T-shaped neck in upper end is engaged with card;The steel ball (4), loose collar(5), removable pin(6)Constitute " bearing group ", the upper shell(3)Lower end and the lower shell(7)Threaded connection, Threaded connection place is pressed into " bearing group ", the removable pin in " bearing group "(6)Drive " bearing group " can be in the inner barrel(2)Outside By track motion, described cone in the length groove of side(8)With inner barrel(2)Threaded connection, cone(8)Outside is from top to bottom divided It is not spring(9), sliding sleeve(10), push rod(12), slips(14), described push rod(12)Sliding sleeve by mode connects for screw(10)And card Watt(14), described slips(14)It is attached to cone(8)The conical surface on, slips(14)All the time it is in lower shell(7)On square groove It is interior, work as cone(8)The conical surface with respect to slips(14)When moving up, slips(14)Radial load push card can be produced in the presence of the conical surface Watt(14)Expand outwardly, block salvaging target to reach, described lower shell(7)Respectively with being oriented to milling cone(15), upper shell(3) Threaded connection composition " slide outside group ", described inner barrel(2)And cone(8)Composition " the fixed group in inside ", " slide outside Group " is slided by the way that " bearing group " is relative with " the fixed group in inside ";Being oriented to milling cone front end has brazing alloy and respectively four teeth, by turning Dynamic cementing device fisher can integrally remove residual barrier in well.
The cementing device fisher is transferred to during salvaging position, if the cement mortar of residual is met in midway, can be with Rotation drilling tool, by lifting pipe nipple(1)Lower end U-shaped card slot and upper shell(3)The T-shaped neck in upper end is engaged with card, and moment of torsion is transmitted Milling cone is oriented to cementing device fisher front end(15)With solder alloy(16), to be purged.
Referring to Fig. 3, removable pin when being non-salvaging state at A(6)Place inner barrel(2)The position of outside length groove;It is at B Removable pin when cementing fisher is pushed(6)Place inner barrel(2)The position of outside length groove;Activity when being salvaging state at C Pin(6)Place inner barrel(2)The position of outside length groove.
Referring to Fig. 1, during non-salvaging state, bearing group is in inner barrel(2)Position, slips at A in the length groove of outside(14) It is attached to cone(8)The conical surface on, slips(14)Periphery is in lower shell(7)Periphery within, in by guard mode.
Referring to Fig. 4, during salvaging, the cementing device fisher is depressed into the fishing joint for exempting from brill formula cementing device position (16)Interior, " slide outside group " is hampered, and is moved up relative to " the fixed group in inside ", inner barrel is moved on in " bearing group "(2)Outside is long Position at B in short groove;The cementing device fisher is above carried, " slide outside group " is " internal under the thrust of gravity and spring Fixed group " " slide outside group " relatively is moved up, and " bearing group " " the fixed group in inside " relatively moves down into inner barrel(2)Outside length groove Position at interior C, slips(14)Then can be along cone(8)The radial load that produces of the conical surface expand outwardly, it is last stuck in water filling The fishing joint of mud device(17)It is interior, above propose the fishing joint that cementing device fisher pulls cementing device out(17), salvage successfully.
Referring to Fig. 4, salvaging successfully judges:The cementing device fisher is set to enter in the fishing joint of cementing device Afterwards, the fishing joint of cementing device fisher and cementing device forms close gap, and peripheral passage narrows, when carrying out mud circulation High pressure will be formed.Judgment step:1st, cementing device fisher enters before the fishing joint of cementing device, and one is used by well head Fixed discharge capacity turn on pump circulation, and record circulating pressure;2nd, when cementing device fisher reaches the fishing joint position of cementing device Put to push and be hampered, then circulated with same discharge capacity turn on pump after above carrying, notes observing circulating pressure, compared with recording circulating pressure before Compared with if existing circulating pressure is higher than record circulating pressure, it was demonstrated that salvage successfully;If circulating pressure there is not change, it was demonstrated that salvage not Success, continues to push cementing device fisher and is salvaged, untill judgement is salvaged successfully.

Claims (6)

1. a kind of cementing device fisher, by lifting pipe nipple(1), inner barrel(2), upper shell(3), steel ball(4), loose collar(5)、 Removable pin(6), lower shell(7), cone(8), spring(9), sliding sleeve(10), the first screw(11), push rod(12), the second screw (13), slips(14), be oriented to milling cone(15), brazing alloy(16)Composition, it is characterised in that the lifting pipe nipple(1)With it is described Inner barrel(2)Threaded connection, the lifting pipe nipple(1)There are U-shaped card slot and the upper shell in lower end(3)T-shaped neck is described with card Upper shell(3)Lower end and the lower shell(7)Threaded connection, the steel ball(4)With the loose collar(5)With the removable pin (6)Constitute " bearing group ", " bearing group " passes through removable pin(6)Can be in the inner barrel(2)Moved in the length groove in outside, institute State cone(8)With the inner barrel(2)Threaded connection, the cone(8)Outside is from top to bottom spring successively(9), sliding sleeve (10), push rod(12), slips(14), the push rod(12)By first screw(11)With second screw(13)Connect respectively Then the sliding sleeve(10)With the slips(14), the slips(14)It is attached to the cone(8)The conical surface on can slide relatively It is dynamic, the slips(14)All the time it is in the lower shell(7)Square groove in, the guiding milling cone(15)With the lower shell (7)Threaded connection, the guiding milling cone(15)With the lower shell(7)And the upper shell(3)" slide outside group " is defined as, The inner barrel(2)With the cone(8)It is defined as " the fixed group in inside ";" slide outside group " passes through with " the fixed group in inside " " bearing group " is relative to be slided;The guiding milling cone(15)There is brazing alloy front end(16)And respectively four tooth, by rotating cementing Device fisher can integrally remove residual barrier in well.
2. cementing device fisher as claimed in claim 1, it is characterised in that the lifting pipe nipple(1)Lower end U-shaped card slot and institute State upper shell(3)The T-shaped neck in upper end is with card.
3. cementing device fisher as claimed in claim 1, it is characterised in that the upper shell(3)Lower end and the lower shell (7)Threaded connection, the steel ball(4)With the loose collar(5)With the removable pin(6)Constitute " bearing group ", " bearing group " leads to Cross removable pin(6)Can be in the inner barrel(2)Moved in the length groove in outside.
4. cementing device fisher as claimed in claim 1, it is characterised in that the cone(8)With the inner barrel(2)Screw thread Connection, the cone(8)Outside is from top to bottom the spring respectively(9), the sliding sleeve(10), the push rod(12), it is described Slips(14), the push rod(12)By the screw(11)With the screw(13)It is connected to the sliding sleeve(10)With the slips (14), the slips(14)It is attached to the cone(8)The conical surface on relative can slide, the slips(14)All the time in described Lower shell(7)Square groove in.
5. cementing device fisher as claimed in claim 1, it is characterised in that the guiding milling cone(15)With the lower shell (7)And the upper shell(3)It is defined as " slide outside group ", the inner barrel(2)With the cone(8)It is defined as " internal solid Determine group ", " slide outside group " is slided with " the fixed group in inside " by the way that " bearing group " is relative.
6. cementing device fisher as claimed in claim 1, it is characterised in that the guiding milling cone(15)There is brazing alloy front end (16)And respectively four tooth, it can integrally be removed by rotating the cementing device fisher and barrier is remained in well.
CN201621163229.8U 2016-11-02 2016-11-02 A kind of cementing device fisher Active CN206429218U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621163229.8U CN206429218U (en) 2016-11-02 2016-11-02 A kind of cementing device fisher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621163229.8U CN206429218U (en) 2016-11-02 2016-11-02 A kind of cementing device fisher

Publications (1)

Publication Number Publication Date
CN206429218U true CN206429218U (en) 2017-08-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621163229.8U Active CN206429218U (en) 2016-11-02 2016-11-02 A kind of cementing device fisher

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108019176A (en) * 2016-11-02 2018-05-11 德州隆科石油装备有限公司 A kind of cementing device fisher

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108019176A (en) * 2016-11-02 2018-05-11 德州隆科石油装备有限公司 A kind of cementing device fisher
CN108019176B (en) * 2016-11-02 2024-04-26 德州隆科石油装备有限公司 Cement injection device fisher

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