CN206554893U - Thin-walled expansion pipe device - Google Patents
Thin-walled expansion pipe device Download PDFInfo
- Publication number
- CN206554893U CN206554893U CN201720139547.9U CN201720139547U CN206554893U CN 206554893 U CN206554893 U CN 206554893U CN 201720139547 U CN201720139547 U CN 201720139547U CN 206554893 U CN206554893 U CN 206554893U
- Authority
- CN
- China
- Prior art keywords
- slips
- expansion
- fluid cylinder
- central tube
- cone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 94
- 239000012530 fluid Substances 0.000 claims abstract description 55
- 238000004873 anchoring Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 1
- 239000010720 hydraulic oil Substances 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000005553 drilling Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model is related to thin-walled expansion pipe device, applied to oil drilling completion, well workover technology field.The present apparatus includes expansion tube, expansion cone, fluid cylinder mechanism and anchor mechanism, expansion cone arrangement above fluid cylinder mechanism, expansion cone anchor mechanism arranged below；The fluid cylinder set of fluid cylinder mechanism is mutually fixedly connected with expansion cone；Expansion cone is enclosed on to be formed outside the central tube of fluid cylinder mechanism and is slidably connected, central tube lower end connection anchor mechanism, central tube lower end or connected anchor mechanism lower end closed；Bear ring to be placed in outside expansion tube upper end, its external diameter is more than expansion bore, bears ring set outside central tube and is mutually fixedly connected.Because hydraulic oil cylinder device is joined directly together by the device with expansion cone, when expansion tube is longer, central tube more than hydraulic oil cylinder device can use working string, reduce manufacturing cost.Meanwhile, when hydraulic oil cylinder device, which above puies forward expansion cone, completes a stroke, decentralization working string can reset hydraulic oil cylinder device, easy to operate.
Description
Technical field
The present invention relates to petroleum industry drilling completion, well workover technology field, more particularly to thin-walled expansion pipe device.
Background technology
The Solid expandable Manifold technology for being developed in the nineties in last century has played important in drilling well, completion and well workover technology field
Effect.
Initial bulged tube technology is to promote expansion cone using hydraulic coupling, while being superimposed drilling rod above carrying to expansion cone
Power completes to expand operation.
Chinese patent, application number 201010106783.3, applying date 2010.02.03, " expansion tube assembly, oil well subsidy are applied
Work mechanism and construction method " discloses the device and method that a kind of utilization expansion tube repairs damaged sleeve pipe, and the device is in expansion
The top of pipe sets a set of power cylinder, and expansion cone is set in the bottom of expansion tube, is provided with card again below expansion cone
Detent mechanism is hung, expansion tube is pushed down on the power cylinder top of the device, and the central tube of power cylinder holds downwards card and hangs detent mechanism, leads to
The pulling force for crossing power cylinder pulls up expansion cone and carrys out expansion pipe.It, which blocks extension detent mechanism, can unidirectionally block central tube,
As expansion cone provides thrust upward, and the demand that the multiple stroke of power cylinder is lifted up can be met again.
The deficiency that above-mentioned bulged tube technology is present is that a, its center-pole are special manufactures, when expansion tube is longer, wherein
Core bar is also correspondingly longer, and manufacturing cost is higher.B, its fluid cylinder reset are difficult, and Ground Operation personnel are difficult to judge fluid cylinder machine
Whether structure has resetted, and operation is inconvenient.
The content of the invention
In order to solve the above technical problems, manufacturing cost and the convenient thin-walled expansion pipe device of operation can be reduced by having invented.
To achieve the above object, the present invention is adopted the following technical scheme that：
Thin-walled expansion pipe device, including expansion tube, expansion cone, fluid cylinder mechanism and anchor mechanism, expansion cone arrangement above liquid
Cylinder mechanism, expansion cone anchor mechanism arranged below；The fluid cylinder set of fluid cylinder mechanism is mutually fixedly connected with expansion cone；Expansion cone is enclosed on liquid
Formed and be slidably connected outside the central tube of cylinder mechanism, central tube lower end connects anchor mechanism, central tube lower end or connected anchor
Determine mechanism lower end closed；Bear ring to be placed in outside expansion tube upper end, its external diameter is more than expansion bore, bears ring set outside central tube
And be mutually fixedly connected.
Preferably, described anchor mechanism is slips anchoring mechanism, and described slips anchoring mechanism is "T"-shaped slot type slips
Anchor mechanism.Described slips anchoring mechanism can also be slips brake pad integral type slips anchoring mechanism.
Preferably, described anchor mechanism can also be hydraulic anchor anchor mechanism.
The technological merit of the present invention is that hydraulic oil cylinder device is joined directly together by the device with expansion cone, when expansion tube is longer,
Central tube more than hydraulic oil cylinder device can use working string, reduce manufacturing cost.Meanwhile, when hydraulic oil cylinder device above puies forward expansion cone
When completing a stroke, decentralization working string can reset hydraulic oil cylinder device, easy to operate.
Brief description of the drawings
When considered in conjunction with the accompanying drawings, by referring to following detailed description, can more completely more fully understand the present invention with
And the adjoint advantage of many of which is easily learnt, but accompanying drawing described herein is used for providing a further understanding of the present invention,
The part of the present invention is constituted, schematic description and description of the invention is used to explain the present invention, do not constituted to this hair
Bright improper restriction, wherein：
Fig. 1 is that the fluid cylinder mechanism in the structural representation of thin-walled expansion pipe device, figure is one-level fluid cylinder, and anchor mechanism is card
Watt anchor mechanism.
Fig. 2 is that the fluid cylinder mechanism in the structural representation of thin-walled expansion pipe device, figure is two grades of fluid cylinders, and anchor mechanism is card
Watt anchor mechanism.
Fig. 3 is that the anchor mechanism in the structural representation of thin-walled expansion pipe device, figure is hydraulic anchor anchor mechanism.
Fig. 4 is the structural representation of thin-walled expansion pipe device, it is illustrated that anchor mechanism enters the state in expansion tube.
Fig. 5 is the structural representation of "T"-shaped slot type slips anchoring mechanism.
Fig. 6 is slips brake pad integral type slips anchoring mechanism structure schematic diagram.
Fig. 7 is the structural representation of hydraulic anchor.
Embodiment
In the narration explanation of this specification, described upper and lower position relation is identical with the position relationship illustrated in accompanying drawing,
This is also the mutual alignment relation between each component when instrument of the invention is applied in straight well.
As shown in Figure 1, thin-walled expansion pipe device, central tube 1, fluid cylinder set 4 and piston 5 collectively form fluid cylinder mechanism 20.Institute
The fluid cylinder mechanism 20 stated, its peripheral hardware fluid cylinder of central tube 1 set 4 and piston 5, wherein piston 5 are mutually fixed and the company of sealing with central tube 1
Connect, fluid cylinder set 4 socket-connects with central tube 1 and forms the first sliding sealing surface, fluid cylinder set 4 and piston 5 socket-connect and form second
There is diameter difference in sliding sealing surface, the first sliding sealing surface and the second sliding sealing surface, in center between fluid cylinder set 4 and piston 5
Inlet opening 14 is set on the side wall of pipe 1；
The lower end peripheral hardware expansion cone 6 of expansion tube 3, expansion cone more than 6 is in setting fluid cylinder mechanism 20 in expansion tube, expansion cone is below 6
If anchor mechanism 30.
Expansion cone 6 is enclosed on outside the central tube 1 of fluid cylinder mechanism 20, can be slided up and down, formation is slidably connected.Fluid cylinder set 4 with it is swollen
Swollen cone 6 is mutually fixedly connected；
The lower end of central tube 1 is mutually fixedly connected with anchor mechanism 30.
Bear ring 2 to be placed in outside the upper end of expansion tube 3, its external diameter is more than expansion bore, bear ring 2 be enclosed on central tube 1 it is outer and
Mutually it is fixedly connected.
In order to be discharged beneficial to liquid, fluid apertures 13 can also be set out on 4 side walls by being covered in fluid cylinder of the piston below 5.
In order to ensure to produce enough hydraulic couplings in central tube, central tube lower end should be closed, naturally it is also possible to be and central tube
The lower center tube 12 of connected anchor mechanism is closed.
Being mutually fixedly connected herein and described in the other parts of this specification, can be threaded connection or weldering
Connect；Described mutually fixes and is tightly connected, and can be sealing threaded connection, and such as petroleum oil screw thread can also be non-tight spiral shell
Line encryption seal connection or welding.
As shown in Figure 5, described anchor mechanism 30 is slips anchoring mechanism.Described slips anchoring mechanism is "T"-shaped groove
Formula slips anchoring mechanism, this is a kind of anchor mechanism commonly used in the type of oil field well 211 or 221 type packers, also referred to as " swallow
Stern notch " formula slips anchoring mechanism, including lower center tube 12, grappling cone 7, slips 8, slips support 9, spring 10 and gear cap 11, grappling
Cone 7, slips support 9, spring 10 and gear cap 11 are sequentially socketed in outside lower center tube 12 from top to bottom, wherein, grappling cone 7 and gear cap 11
Also mutually it is fixedly connected with lower center tube；Grappling cone 7 is arranged on described "T"-shaped groove with being all provided with "T"-shaped groove, slips 8 in slips support 9
In.Described spring 10 can be disc spring or cylindroid helical-coil compression spring.
As shown in Figure 6, described slips anchoring mechanism can also be slips brake pad integral type slips anchoring mechanism, this
It is another anchor mechanism commonly used in the type of oil field well 211 or 221 type packers.As shown in fig. 6, slips brake pad is integral
Formula slips anchoring mechanism includes lower center tube 12, cone 61, friction slips 62, snap ring 63, little spring 64, slips collet 65 and gear
Ring 66.Cone 61, slips collet 65 and baffle ring 66 are sequentially enclosed on outside lower center tube 12 from top to bottom, and cone 61 and baffle ring 66
Also mutually it is fixedly connected with lower center tube 12；Slips collet 65 sets section as " J " shape endless groove, and friction slips 62 lower end is arranged on institute
In " J " the shape endless groove stated, little spring 64 is transversely mounted between friction slips 62 and slips collet 65, and snap ring 63 is enclosed on friction
The periphery of slips 62.
As shown in Figure 3, described anchor mechanism 30 can also be hydraulic anchor anchor mechanism.Hydraulic anchor is that oil field well is commonly used
One of instrument, as shown in Figure 7.When using hydraulic anchor anchor mechanism, in order that fluid cylinder mechanism and hydraulic anchor are obtained simultaneously
Hydraulic coupling, should close hydraulic anchor bottom.
Shown in Fig. 1 is to be covered by one-level fluid cylinder and the single-stage fluid cylinder mechanism that constitutes of first stage piston, fluid cylinder mechanism can be by
The Multi-stage hydraulic cylinder mechanism that Multi-stage hydraulic cylinder is covered and multi-level piston is constituted.As shown in Figure 2, accompanying drawing 2 illustrates two grades of fluid cylinder mechanisms,
Linked together including 202,1 grades of fluid cylinder sets of one-level fluid cylinder mechanism 201 and two grades of fluid cylinder mechanisms, other nexus elements and list
Level fluid cylinder mechanism is identical.The connected mode of fluid cylinder mechanism more than three-level is identical with the connected mode of two grades of fluid cylinder mechanisms.
As shown in Fig. 1 and Fig. 4, expansion cone is initially positioned under expansion tube, and fluid cylinder mechanism starts in the presence of hydraulic coupling
In first stroke, fluid cylinder mechanism drop-down bear ring, above put forward expansion cone, due to bear ring be stuck in expansion tube upper end thus keep not
Dynamic, expansion cone is just drawn into expansion tube to swell expansion pipe diameter.Then, working string is above carried, fluid cylinder mechanism is answered
Position, starts second stroke.In second stroke, anchor mechanism is pushed away under fluid cylinder mechanism makes it be anchored on guarantor on expansion inside pipe wall
Hold motionless, while above carrying expansion cone expansion pipe, complete second stroke, repeat the second stroke and make to whole expansion tubes are completed
Industry.
Thin-walled expansion pipe device is connected by central tube with working string.Its job step is：
A, with working string under thin-walled expansion pipe device to well in down-hole casing rent or bore hole；
B, working string upper end are connected with the hydraulic pump on ground；
C, startup hydraulic pump raise the hydraulic coupling in thin-walled expansion pipe device central tube, promote the up expansion of expansion cone swollen
Tube expansion, fluid cylinder mechanism completes a up stroke；
D, stopping hydraulic pump, shed the hydraulic coupling in thin-walled expansion pipe device central tube；
E, above carry working string and make the up stroke of fluid cylinder mechanism；
F, repeat step c, d, e, until completing the expansion operation of whole expansion tubes.
Obviously, those skilled in the art belong to the guarantor of the present invention based on many modifications and variations that spirit of the invention is done
Protect scope.
Claims (8)
1. thin-walled expansion pipe device, including expansion tube（3）, expansion cone（6）, fluid cylinder mechanism（20）And anchor mechanism（30）, it is special
Levy and be, expansion cone（6）Arrangement above fluid cylinder mechanism（20）, expansion cone（6）Anchor mechanism arranged below（30）；Fluid cylinder mechanism
Fluid cylinder set（4）With expansion cone（6）Mutually it is fixedly connected；Expansion cone（6）It is enclosed on the central tube of fluid cylinder mechanism（1）It is outer to form the company of slip
Connect, central tube（1）Lower end connects anchor mechanism（30）, central tube（1）Lower end or connected anchor mechanism lower end closed；Hold
Draw ring（2）It is placed in expansion tube（3）Outside upper end, its external diameter is more than expansion bore, bears ring（2）It is enclosed on central tube（1）Outer and phase
It is fixedly connected.
2. thin-walled expansion pipe device according to claim 1, it is characterised in that described anchor mechanism（30）It is slips anchor
Determine mechanism.
3. thin-walled expansion pipe device according to claim 2, it is characterised in that described slips anchoring mechanism is "T"-shaped
Slot type slips anchoring mechanism, including lower center tube（12）, grappling cone（7）, slips（8）, slips support（9）, spring（10）With gear cap
（11）, grappling cone（7）, slips support（9）, spring（10）With gear cap（11）Lower center tube is sequentially socketed in from top to bottom（12）Outside,
Wherein, grappling is bored（7）With gear cap（11）Also mutually it is fixedly connected with lower center tube；Grappling is bored（7）With slips support（9）On be all provided with " T "
Shape groove, slips（8）In described "T"-shaped groove.
4. thin-walled expansion pipe device according to claim 3, it is characterised in that described spring（10）It is disc spring or cylinder
Spiral compression spring.
5. thin-walled expansion pipe device according to claim 2, it is characterised in that described slips anchoring mechanism rubs for slips
Cleaning block integral type slips anchoring mechanism, including lower center tube（12）, cone（61）, friction slips（62）, snap ring（63）, little spring
（64）, slips collet（65）And baffle ring（66）, cone（61）, slips collet（65）And baffle ring（66）Sequentially it is enclosed on down from top to bottom
Central tube（12）Outside, and cone（61）And baffle ring（66）Also mutually it is fixedly connected with lower center tube；Slips collet（65）If section is
" J " shape endless groove, rub slips（62）Lower end is arranged in described " J " shape endless groove, little spring（64）It is transversely mounted on and rubs
Wipe slips（62）With slips collet（65）Between, snap ring（63）It is enclosed on friction slips（62）Periphery.
6. thin-walled expansion pipe device according to claim 1, it is characterised in that described anchor mechanism（30）It is hydraulic anchor
Anchor mechanism.
7. thin-walled expansion pipe device according to claim 1, it is characterised in that described fluid cylinder mechanism（20）By central tube
（1）, fluid cylinder set（4）And piston（5）Collectively form, central tube（1）Peripheral hardware fluid cylinder set（4）And piston（5）, wherein piston（5）With
Central tube（1）Mutually fix and be tightly connected, fluid cylinder set（4）With central tube（1）Socket-connect and form the first sliding sealing surface, fluid cylinder
Set（4）With piston（5）Socket-connect and form the second sliding sealing surface, the first sliding sealing surface and the second sliding sealing surface exist straight
Footpath is poor, fluid cylinder set（4）And piston（5）Between in central tube（1）Inlet opening is set on the wall of side（14）.
8. thin-walled expansion pipe device according to claim 7, it is characterised in that described fluid cylinder mechanism（20）Two-stage with
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720139547.9U CN206554893U (en) | 2017-02-16 | 2017-02-16 | Thin-walled expansion pipe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720139547.9U CN206554893U (en) | 2017-02-16 | 2017-02-16 | Thin-walled expansion pipe device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206554893U true CN206554893U (en) | 2017-10-13 |
Family
ID=60011202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720139547.9U Withdrawn - After Issue CN206554893U (en) | 2017-02-16 | 2017-02-16 | Thin-walled expansion pipe device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206554893U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812505A (en) * | 2017-02-16 | 2017-06-09 | 中国石油化工股份有限公司 | Thin-walled expansion pipe device and its operational method |
| CN109630052A (en) * | 2018-12-18 | 2019-04-16 | 中国石油大学(华东) | Hydraulic control pressuring expansion pipe automatic expanding device |
-
2017
- 2017-02-16 CN CN201720139547.9U patent/CN206554893U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812505A (en) * | 2017-02-16 | 2017-06-09 | 中国石油化工股份有限公司 | Thin-walled expansion pipe device and its operational method |
| CN106812505B (en) * | 2017-02-16 | 2023-12-29 | 中国石油化工股份有限公司 | Thin-wall expansion pipe device and operation method thereof |
| CN109630052A (en) * | 2018-12-18 | 2019-04-16 | 中国石油大学(华东) | Hydraulic control pressuring expansion pipe automatic expanding device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206554847U (en) | Compound force expansion pipe device | |
| CN206554893U (en) | Thin-walled expansion pipe device | |
| CN106703732A (en) | Device for applying force on expansion pipe in a combined mode and operating method of device | |
| CN100538003C (en) | The expansion sieve tube hanging method | |
| CN106812505A (en) | Thin-walled expansion pipe device and its operational method | |
| CN102337856A (en) | Novel thermally-expanded extrusion packer for viscous oil steam-injection well | |
| CN201396103Y (en) | Packer | |
| CN101148974A (en) | Horizontal well sheath repairing tool | |
| CN108131103B (en) | It is a kind of applied to the interlocking connector tool for above mentioning expanding method | |
| CN206495668U (en) | Sand output well fill and -control integrated tubing string with pressure | |
| CN104879097A (en) | Gas well production string provided with double parallel pipes | |
| CN201786314U (en) | Embedded blowout preventer of sucker rod | |
| CN202531133U (en) | Water plugging technological tubular column for sealing middle layer and exploiting two ends of oil well | |
| CN201092845Y (en) | Hydraulic pressure, double back-off hand type dragable bridge plug | |
| CN200985759Y (en) | Expansion casing tube device having cushioning capacity | |
| CN210919028U (en) | Pressure testing device of blowout preventer full-sealing flashboard | |
| CN101161982B (en) | Hydraulic buckling type tail pipe hanger | |
| CN201078196Y (en) | Casing fast connect sealing device | |
| CN2869300Y (en) | Packer for horizontal well side drilling and horizontal well operation | |
| CN205422687U (en) | Full operating mode annular testing wellhead assembly | |
| CN208934622U (en) | A kind of slurry type grouting circulator | |
| CN202100245U (en) | Self-propelled no-well-killing screen pipe descending device | |
| CN206942722U (en) | For former well casing post packing device and test sealing pipe column | |
| CN207296952U (en) | Automatic hydraulic expands guard system | |
| CN113027367A (en) | Mechanical oil pipe anchor for stabilizing oil pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171013 Effective date of abandoning: 20231229 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171013 Effective date of abandoning: 20231229 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |