CN106869838A - Hydraulic release device - Google Patents
Hydraulic release device Download PDFInfo
- Publication number
- CN106869838A CN106869838A CN201710179308.0A CN201710179308A CN106869838A CN 106869838 A CN106869838 A CN 106869838A CN 201710179308 A CN201710179308 A CN 201710179308A CN 106869838 A CN106869838 A CN 106869838A
- Authority
- CN
- China
- Prior art keywords
- pole
- pressure
- center
- fixture block
- annular groove
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims description 34
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 1
- 238000012856 packing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
- E21B23/04—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells operated by fluid means, e.g. actuated by explosion
Abstract
It is a kind of hydraulic release device the present invention relates to releasing tool technical field；It includes center-pole, connecting cylinder, shear pin, baffle ring, fixture block, pressure-transmitting joint and plug；Center-pole is arranged in connecting cylinder, and guiding annular groove is provided with the top of connecting cylinder, and being externally provided with the upper end of center-pole can make center-pole move spacing outer land along annular groove is oriented to, and outer land is located at and is oriented in the upside of annular groove, and be oriented to the face seal of annular groove.Reasonable and compact in structure of the present invention, it is easy to use；Pressure through pressure transmission passage downwards to pressure transmission side opening, then from pressure transmission side opening by way of the device to hole of hole by pressure transmission to hanger, realize that the seat of hanger is hung；Operation can be just suppressed without using float collar float plug packing, Simplified flowsheet is operated easier；And during entering under, plug is formed to bottom pressure and intercepted, therefore avoid bottom pressure excitement and cause and give up in advance, improve reliability of giving up.
Description
Technical field
It is a kind of hydraulic release device the present invention relates to releasing tool technical field.
Background technology
At present, the conventional hydraulic releasing tool of oil field at home underground construction pipe string, generally uses cooperatively with float collar float plug,
Complex process；And because its Hydraulic Elements is excessive, after tubing string enters well, it is possible to because bottom pressure excitement causes shifting to an earlier date for tubing string
Give up, poor reliability.
The content of the invention
The invention provides a kind of hydraulic release device, the deficiency of above-mentioned prior art is overcome, it can effectively solve existing
Some hydraulic releasing tool complex process, the problem of poor reliability.
The technical scheme is that realized by following measures：A kind of hydraulic release device, including center-pole, company
Connect cylinder, shear pin, baffle ring, fixture block, pressure-transmitting joint and plug；Center-pole is arranged in connecting cylinder, in the top of connecting cylinder
Guiding annular groove is provided with, being externally provided with the upper end of center-pole can make center-pole move spacing outer land, outer shroud along annular groove is oriented to
Platform be located at be oriented to annular groove upside in, and be oriented to annular groove face seal；By shearing outside center-pole below outer land
Pin is installed with baffle ring, and baffle ring is seated at guide ring trench bottom and by center-pole axial limiting；Connecting cylinder below baffle ring
Lower circumference is distributed with least two fixture block mounting holes, and being separately installed with fixture block mounting hole can move along inside and outside fixture block mounting hole
Dynamic fixture block；Center-pole bottom corresponding with fixture block is externally provided with fixture block support platform, fixture block support platform withstand on fixture block it is inner and make fixture block to
Overhang；The center-pole supportted between platform and baffle ring in fixture block is externally provided with corresponding with fixture block lengthwise position and can accommodate moving back for fixture block
Draw-in groove；The distance between outer land lower end to guide ring bottom land end is more than fixture block lower end to moving back the distance between draw-in groove bottom；
The lower end of center-pole is installed with pressure-transmitting joint by connecting rod；It is provided with interconnected inside center-pole, connecting rod and pressure-transmitting joint
Pressure transmission passage, circle distribution has the pressure transmission side opening with pressure transmission channel connection on pressure-transmitting joint, is fixed in pressure-transmitting joint bottom
Being provided with can be by the plug of pressure transmission passage plugging.
Here is the further optimization and/or improvements to foregoing invention technical scheme：
Screw thread can be provided with outside the downside of above-mentioned center-pole, and be fixedly installed togather with connecting rod by screw thread；In the downside of connecting rod
Screw thread is externally provided with, and is fixedly installed togather with pressure-transmitting joint top by screw thread；Pressure transmission side opening circle distribution is in pressure-transmitting joint
Middle part；Screw thread is provided with the bottom of pressure-transmitting joint, and is fixedly installed togather with plug by screw thread.
Above-mentioned center-pole downside is outer can be provided between connecting rod at least together with sealing ring；In the top of pressure-transmitting joint and even
At least one sealing ring is installed between bar downside is outer；It is installed with least and plug between in the bottom of pressure-transmitting joint
One sealing ring.
Above-mentioned guiding annular groove can be the annular groove of upper end open, be provided with internal thread being oriented at the upper end open of annular groove, and lead to
Cross to be screwed and top connection is installed.
Above-mentioned top connection downside is outer can be installed between connecting cylinder at least together with sealing ring；Outer land and guide ring
At least one sealing ring is installed between the anchor ring of groove；Sealing is installed with baffle ring and the center-pole for moving back between draw-in groove
Circle.
At least one sealing ring mounting groove can be provided with outside connecting cylinder above above-mentioned fixture block；Or/and, above pressure transmission side opening
Be respectively equipped with outside the pressure-transmitting joint of lower section at least together with sealing ring mounting groove.
The upper port of the pressure transmission passage on above-mentioned center-pole can be cone mouth wide at the top and narrow at the bottom, or/and, it is oriented to annular groove bottom
Connecting cylinder is provided with relief hole.
Reasonable and compact in structure of the present invention, it is easy to use；Pressure through pressure transmission passage downwards to pressure transmission side opening, then from pressure transmission side
Hole by way of the device to hole of hole by pressure transmission to hanger, realize that the seat of hanger is hung；Insulated just without using float collar float plug
Operation can be suppressed, Simplified flowsheet is operated easier；And during entering under, plug is formed to bottom pressure and intercepted, therefore
Avoid bottom pressure excitement and cause and give up in advance, improve reliability of giving up.
Brief description of the drawings
Accompanying drawing 1 is the half-sectional structural representation of main view of preferred embodiment.
Accompanying drawing 2 be accompanying drawing 1 in A-A to cross section structure diagram.
Accompanying drawing 3 is B-B direction cross section structure diagram in accompanying drawing 1.
Accompanying drawing 4 be accompanying drawing 1 in C-C to cross section structure diagram.
Coding in accompanying drawing is respectively：Bar centered on 1,2 is connecting cylinder, and 3 to be oriented to annular groove, and 4 is outer land, and 5 is shearing
Pin, 6 is baffle ring, and 7 is fixture block, and 8 to move back draw-in groove, and 9 is pressure-transmitting joint, and 10 is connecting rod, and 11 is pressure transmission passage, and 12 is pressure transmission side
Hole, 13 is plug, and 14 is top connection, and 15 is sealing ring, and 16 is sealing ring mounting groove, and 17 is relief hole, and 18 is that fixture block supports platform.
Specific embodiment
The present invention is not limited by following embodiments, can technology according to the present invention scheme and actual conditions determine specifically
Implementation method.
In the present invention, for the ease of description, the description of the relative position relation of each part is according to Figure of description 1
Butut mode be described, such as：The position relationship of upper and lower, left and right etc. is according to the Butut direction of Figure of description 1
Come what is determined.
With reference to embodiment and accompanying drawing, the invention will be further described：
As shown in accompanying drawing 1,2,3,4, the hydraulic release device includes center-pole 1, connecting cylinder 2, shear pin 5, baffle ring 6, fixture block
7th, pressure-transmitting joint 9 and plug 13；Center-pole 1 is arranged in connecting cylinder 2, and guiding annular groove 3 is provided with the top of connecting cylinder 2,
The upper end of center-pole 1 is externally provided with can make center-pole 1 move spacing outer land 4 along annular groove 3 is oriented to, and outer land 4 is located at and is oriented to
In the upside of annular groove 3, and be oriented to annular groove 3 face seal；Center-pole 1 below outer land 4 is outer solid by shear pin 5
Dingan County is equipped with baffle ring 6, and baffle ring 6 is seated at the guiding bottom of annular groove 3 and by the axial limiting of center-pole 1；Connecting cylinder 2 below baffle ring 6
Lower circumference is distributed with least two fixture block mounting holes, and being separately installed with fixture block mounting hole can move along inside and outside fixture block mounting hole
Dynamic fixture block 7；The bottom of center-pole 1 corresponding with fixture block 7 is externally provided with fixture block support platform 18, and fixture block support platform 18 withstands on the inner of fixture block 7 simultaneously
Make fixture block 7 protruding；The center-pole 1 supportted between platform 18 and baffle ring 6 in fixture block be externally provided with it is corresponding with the lengthwise position of fixture block 7 and
Fixture block 7 can be accommodated moves back draw-in groove 8；The lower end of outer land 4 is to being oriented to the distance between annular groove 3 bottom more than the lower end of fixture block 7 to moving back card
The distance between bottom of groove 8；Pressure-transmitting joint 9 is installed with by connecting rod 10 in the lower end of center-pole 1；Center-pole 1, connecting rod 10
With interconnected pressure transmission passage 11 is provided with inside pressure-transmitting joint 9, circle distribution has and connects with pressure transmission passage 11 on pressure-transmitting joint 9
Logical pressure transmission side opening 12, the plug 13 that can be blocked pressure transmission passage 11 is installed with the bottom of pressure-transmitting joint 9.
Before lower hanger, in this hydraulic release device is inserted hanger inner cylinder by ground, by the fixture block 7 that stretches out with it is outstanding
While draw-in groove in hanging device is fixed, pressure transmission side opening 12 and hanger to enter pressure side mouthful mouth mouthful relative；Drilling rod is reconnected, with
To precalculated position under brill；Then to being suppressed in tubing string, pressure through pressure transmission passage 11 downwards to pressure transmission side opening 12, then from pressure transmission side opening
12 by mouth-to-mouth mode by pressure transmission to hanger, realize that the seat of hanger is hung；Insulated just without using float collar float plug
Operation can be suppressed, Simplified flowsheet is operated easier；After hanger sit hang after need to give up when, to being suppressed in tubing string, now in
The upper surface pressure-bearing of core bar 1, and shear pin 5 is cut under the effect of the pressure, while center-pole 1 is moved down along guiding annular groove 3, card
Block support platform 18 moves to the lower section of fixture block 7, and fixture block 7 is inwardly receded into draw-in groove 8, releases the company of this hydraulic release device and hanger
Connect, then upper lifting pipe post, just can complete to give up；Intercepted because plug 13 is formed to bottom pressure, therefore avoid bottom pressure
Exciting and cause and give up in advance, raising is given up reliability.
Above-mentioned hydraulic release device can be made further optimization and/or improvements according to actual needs：
As shown in Figure 1, screw thread is externally provided with the downside of center-pole 1, and is fixedly installed togather with connecting rod 10 by screw thread；
The downside of connecting rod 10 is externally provided with screw thread, and is fixedly installed togather with the top of pressure-transmitting joint 9 by screw thread；The circumference of pressure transmission side opening 12
It is distributed in the middle part of pressure-transmitting joint 9；Screw thread is provided with the bottom of pressure-transmitting joint 9, and is fixedly mounted on plug 13 by screw thread
Together.During onsite application, because of the difference of hanger model, the port position of entering to press of hanger also can be therefore different；In this feelings
Under condition, use demand can be met by way of changing connecting rod 10 or pressure-transmitting joint 9；Therefore it is convenient using threaded connection
Disassembling, assembling and replacing, and connection is reliable.
As shown in Figure 1, the downside of center-pole 1 it is outer be provided between connecting rod 10 at least together with sealing ring 15；Pressure-transmitting joint 9
Top in it is outer with the downside of connecting rod 10 between be installed with least together with sealing ring 15；In the bottom of pressure-transmitting joint 9 and plug
At least one sealing ring 15 is installed between 13.Sealing ring 15 can play a part of to increase contact surface sealing；Avoid
Pressure is revealed between pressure-transmitting joint 9 and connecting rod 10, and between pressure-transmitting joint 9 and plug 13.
As shown in Figure 1, for convenience of being connected with drilling rod, it is the annular groove of upper end open to be oriented to annular groove 3, is being oriented to annular groove 3
Internal thread is provided with upper end open, and is threadably secured top connection 14 is installed.
As shown in Figure 1, the downside of top connection 14 it is outer be installed between connecting cylinder 2 at least together with sealing ring 15；
Outer land 4 and be oriented to annular groove 3 anchor ring between be installed with least together with sealing ring 15；Baffle ring 6 and move back between draw-in groove 8
Sealing ring 15 is installed with core bar 1.Sealing ring 15 can play a part of to increase contact surface sealing.
As shown in Figure 1, to improve the connection sealing between connecting cylinder 2 and other downhole tools, in the top of fixture block 7
Connecting cylinder 2 is externally provided with least one sealing ring mounting groove 16；Or/and, to improve between pressure-transmitting joint 9 and other downhole tools
Connection sealing, is respectively equipped with least one sealing ring mounting groove 16 outside the pressure-transmitting joint 9 above and below pressure transmission side opening 12.
As shown in Figure 1, the upper port of the pressure transmission passage 11 on center-pole 1 is cone mouth wide at the top and narrow at the bottom；The cone mouth is used for
Pitching sets；Suppress give up failure when, can realize giving up by way of pitching builds the pressure；Or/and, it is being oriented to the bottom of annular groove 3
Connecting cylinder 2 be provided with relief hole 17.
Above technical characteristic constitutes highly preferred embodiment of the present invention, and it has stronger adaptability and optimal implementation effect
Really, can according to actual needs increase and decrease non-essential technical characteristic to meet the demand of different situations.
Claims (10)
1. a kind of hydraulic release device, it is characterised in that connect including center-pole, connecting cylinder, shear pin, baffle ring, fixture block, pressure transmission
Head and plug；Center-pole is arranged in connecting cylinder, guiding annular groove is provided with the top of connecting cylinder, in the upper end peripheral hardware of center-pole
Having can make center-pole move spacing outer land along annular groove is oriented to, and outer land is located at and is oriented in the upside of annular groove, and with guiding
The face seal of annular groove；Baffle ring is installed with by shear pin outside center-pole below outer land, baffle ring is seated at guiding
Annular groove bottom and by center-pole axial limiting；Connecting cylinder lower circumference below baffle ring is distributed with the installation of at least two fixture blocks
Hole, being separately installed with fixture block mounting hole can be along the fixture block moved inside and outside fixture block mounting hole；Under center-pole corresponding with fixture block
Portion is externally provided with fixture block support platform, and fixture block support platform withstands on fixture block the inner and makes fixture block protruding；Supportted between platform and baffle ring in fixture block
Center-pole be externally provided with it is corresponding with fixture block lengthwise position and can accommodate fixture block move back draw-in groove；Outer land lower end to guide ring bottom land end
The distance between more than fixture block lower end to moving back the distance between draw-in groove bottom；It is installed with by connecting rod in the lower end of center-pole
Pressure-transmitting joint；Interconnected pressure transmission passage, the circle distribution on pressure-transmitting joint are provided with inside center-pole, connecting rod and pressure-transmitting joint
There is the pressure transmission side opening with pressure transmission channel connection, being installed with pressure-transmitting joint bottom can be by the plug of pressure transmission passage plugging.
2. hydraulic release device according to claim 1, it is characterised in that screw thread is externally provided with the downside of center-pole, and is passed through
Screw thread is fixedly installed togather with connecting rod；Screw thread is externally provided with the downside of connecting rod, and is fixed with pressure-transmitting joint top by screw thread
It is installed together；Pressure transmission side opening circle distribution is in the middle part of pressure-transmitting joint；Screw thread is provided with the bottom of pressure-transmitting joint, and by spiral shell
Line is fixedly installed togather with plug.
3. hydraulic release device according to claim 2, it is characterised in that center-pole downside is outer to be provided with and connecting rod between
At least one sealing ring；In the top of pressure-transmitting joint it is outer with connecting rod downside between be installed with least together with sealing ring；Pressure transmission
Be installed between plug in the bottom of joint at least together with sealing ring.
4. the hydraulic release device according to claim 1 or 2 or 3, it is characterised in that it is the ring of upper end open to be oriented to annular groove
Groove, is provided with internal thread, and be threadably secured and be provided with top connection being oriented at the upper end open of annular groove.
5. hydraulic release device according to claim 4, it is characterised in that the outer fixation and connecting cylinder between in top connection downside
At least one sealing ring is installed；Outer land and be oriented to annular groove anchor ring between be installed with least together with sealing ring；Baffle ring
Sealing ring is installed with the center-pole for moving back between draw-in groove.
6. the hydraulic release device according to claim 1 or 2 or 3 or 5, it is characterised in that the connecting cylinder peripheral hardware above fixture block
There is at least one sealing ring mounting groove；Or/and, it is respectively equipped with outside the pressure-transmitting joint above and below pressure transmission side opening at least together
Sealing ring mounting groove.
7. hydraulic release device according to claim 4, it is characterised in that the connecting cylinder above fixture block is externally provided with least
Road sealing ring mounting groove；Or/and, at least one sealing ring peace is respectively equipped with outside the pressure-transmitting joint above and below pressure transmission side opening
Tankage.
8. the hydraulic release device according to claim 1 or 2 or 3 or 5 or 7, it is characterised in that the pressure transmission on center-pole is led to
The upper port in road is cone mouth wide at the top and narrow at the bottom；Or/and, the connecting cylinder for being oriented to annular groove bottom is provided with relief hole.
9. hydraulic release device according to claim 4, it is characterised in that the upper port of the pressure transmission passage on center-pole is
Cone mouth wide at the top and narrow at the bottom；Or/and, the connecting cylinder for being oriented to annular groove bottom is provided with relief hole.
10. hydraulic release device according to claim 6, it is characterised in that the upper port of the pressure transmission passage on center-pole is
Cone mouth wide at the top and narrow at the bottom；Or/and, the connecting cylinder for being oriented to annular groove bottom is provided with relief hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710179308.0A CN106869838A (en) | 2017-03-23 | 2017-03-23 | Hydraulic release device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710179308.0A CN106869838A (en) | 2017-03-23 | 2017-03-23 | Hydraulic release device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106869838A true CN106869838A (en) | 2017-06-20 |
Family
ID=59172059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710179308.0A Pending CN106869838A (en) | 2017-03-23 | 2017-03-23 | Hydraulic release device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106869838A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236220A (en) * | 2018-11-28 | 2019-01-18 | 中国石油集团工程技术研究院有限公司 | One kind is exempted to be buckled to rotary tail running tool and method |
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| CN109236220A (en) * | 2018-11-28 | 2019-01-18 | 中国石油集团工程技术研究院有限公司 | One kind is exempted to be buckled to rotary tail running tool and method |
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