CN109577910A - A kind of solvable bridge plug of all-metal pressure break - Google Patents
A kind of solvable bridge plug of all-metal pressure break Download PDFInfo
- Publication number
- CN109577910A CN109577910A CN201910105740.4A CN201910105740A CN109577910A CN 109577910 A CN109577910 A CN 109577910A CN 201910105740 A CN201910105740 A CN 201910105740A CN 109577910 A CN109577910 A CN 109577910A
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- Prior art keywords
- slips
- wall
- ring
- locking ring
- bridge plug
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- 239000002184 metal Substances 0.000 title claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 29
- 238000012856 packing Methods 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims description 10
- 239000007769 metal material Substances 0.000 claims description 4
- 230000007850 degeneration Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000000806 elastomer Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
- E21B33/134—Bridging plugs
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Prostheses (AREA)
Abstract
The embodiment of the invention discloses a kind of solvable bridge plugs of all-metal pressure break, including slips, cone assembly, metallic packing ring, set starting ring and locking ring, slip sleeve is loaded on the locking ring and is formed with gap between the inner wall of the slips and the outer wall of the locking ring, cone assembly includes upper centrum and hypocentrum, the upper centrum and hypocentrum are set on the locking ring and the miner diameter end of upper centrum and hypocentrum is wedged in the gap of slips and locking ring, the metallic packing ring is set on the outer skew wall of centrum, the starting ring set that sets is loaded on the outer skew wall of hypocentrum, and locking ring, slips, cone assembly, metallic packing ring and set starting ring be made of soluble metal.The present invention, which utilizes, uses wedge-like engagement structure between metallic packing ring, slips and centrum, so that metallic packing ring and internal surface of sleeve pipe is formed firm cooperation, it is made to seal uniform force, it is ensured that bridge plug has stable structure and intensity.
Description
Technical field
The present embodiments relate to oil-gas field development technical fields, and in particular to a kind of solvable bridge plug of all-metal pressure break.
Background technique
The solvable bridge plug now used currently on the market, material is using soluble metal+can sol rubber (aging formula elastomer).Cause
Structure keeps its component processing still various using the structure of conventional bridge plug or packer, and quantity is at 20 or more, while because can
The deficiency of its intensity of molten metal or hardness makes bridge plug internal diameter become smaller each becoming large-sized for component in design；And as solvable
The seal member of bridge plug, material usually select macromolecular elastomer, and to reach solvable or aging, the tune being formulated is done to it
It is whole, make it within a certain period of time, aging is solvable at temperature or illumination effect, but such elastic material is in real use
In the presence of very big technology hidden danger and construction risk, since elastomer is to keep its original mechanical performance required stringent after manufacture
Storage environment is controlled, temperature, illumination keeps away solvent etc., therefore causes to get higher in management cost of the field construction operation to equipment, such as
The too long performance quality to product of storage time is without effectively assessing and judging.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of solvable bridge plug of all-metal pressure break, to solve solvable bridge plug in the prior art
Existing defects in use and insufficient problem.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions: a kind of solvable bridge plug of all-metal pressure break,
Include:
Locking ring, tubular structure have center flow channels；
Slips, tubular structure are set on the locking ring and the outer wall of the inner wall of the slips and the locking ring
Between be formed with gap, bite internal surface of sleeve pipe for being radially expanded after receiving setting force and establish axially position bridge with casing
Plug；
Cone assembly, including upper centrum and hypocentrum, the upper centrum are set in the upper end of the locking ring and pass through
Buttless thread Standard is fixed on locking ring, and the hypocentrum is set in the lower end of the locking ring and by sawtooth spiral shell
Line is connected on locking ring, is wedged in the miner diameter end of centrum and hypocentrum in the gap of slips and locking ring, is used for edge
The axis direction of the locking ring applies opposite extruding force to the slips；
Metallic packing ring is arranged in the upper end of the slips and is set on the outer skew wall of centrum, and upper centrum
Lower end surface wedging is plugged in metallic packing ring, for expanded outwardly to after receiving external setting force internal surface of sleeve pipe establish it is close
Envelope；
Starting ring is set, the becket of slips lower end is set, and the starting ring set that sets is loaded on the hypocentrum
On outer skew wall, and sets and be formed between the inner wall of starting ring and the outer wall of the hypocentrum between the wedging of slips lower end
Gap makes to set starting ring and moves downward and expand outwardly along the hypocentrum after receiving setting force；
Wherein, locking ring, slips, cone assembly, metallic packing ring and set starting ring be made of soluble metal, and
Metallic packing ring is made of the metal material with super plastic degeneration.
The embodiment of the present invention is further characterized in that, monodirectional locking screw thread, the lock are offered on the inner wall of the upper centrum
The outer wall for determining ring, which is equipped with, forms the buttless thread that monodirectional locking structure is connect with the monodirectional locking screw thread on upper centrum inner wall, makes
Upper centrum is cooked one-way movement to hypocentrum direction after receiving setting force.
The embodiment of the present invention is further characterized in that, opening is in axial direction equipped on the outer wall of the locking ring, is being squeezed
State is pushed for reducing diameter for upper centrum.
The embodiment of the present invention is further characterized in that the tapered mouth of the both ends open of the slips makes the upper centrum wedge
Enter the outer wall at end and the inner wall close-fitting of slips upper port, the outer wall at hypocentrum wedging end and the inner wall of slips lower port are tight
Match.
The embodiment of the present invention is further characterized in that the direction on the outer wall of the slips along end to middle part is offered for card
Watt gathering throat expanded outwardly under squeezed state, the gathering throat at the slips both ends is in being staggered.
The embodiment of the present invention is further characterized in that, multiple fixing buckles are inlaid on the outer wall of the slips for squeezing shape
State is embedded in axial restraint bridge plug on internal surface of sleeve pipe.
The embodiment of the present invention is further characterized in that, the outer wall screwed connection of the inner wall and locking ring of the hypocentrum.
The embodiment of the present invention have the advantages that setting slips, cone assembly, metallic packing ring, set starting ring and
Locking ring, will set starting ring be set as cyclic structure can avoid midway set, by slip design be tubular overall structure, make
Slips is evenly distributed when squeezed state expands outwardly, and the metallic packing ring by having super plastic degeneration, high based on its intensity,
The characteristics of compressible deformation, can establish reliable sealing, and specifically by bridge plug blanking to casing, and centrum applies upwards
Upper centrum is compressed downwards greater than the setting force for setting starting ring pre set force, is gone up centrum at this time, metallic packing ring, slips, is set
Starting ring runs mobile downwardly together and stretches to extending out, and slips diameter under the opposing compression of upper centrum and hypocentrum is made to become larger simultaneously
It expands outwardly to internal surface of sleeve pipe and establishes axially position bridge plug with casing, until metallic packing ring continues to squeeze in the wedging of upper centrum
Pressure expand outwardly to internal surface of sleeve pipe foundation set, using between metallic packing ring, slips and centrum use wedge-like engagement structure,
So that metallic packing ring and internal surface of sleeve pipe is formed firm cooperation, is equivalent to positioning fixed effect of the slips in casing, it is ensured that close
Seal uniform force, deformation is complete, and locking ring, slips, cone assembly, metallic packing ring and set starting ring by solvable
Metal is made, compact-sized, and part is few, more reliable performance, to obtain a kind of completely new solvable bridge plug of metal sealing pressure break.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
Fig. 1 is a kind of overall structure diagram of the solvable bridge plug of all-metal pressure break provided in an embodiment of the present invention；
Fig. 2 is a kind of structural blast schematic diagram of the solvable bridge plug of all-metal pressure break provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of internal structure of the solvable bridge plug of all-metal pressure break provided in an embodiment of the present invention；
In figure: 1, locking ring；2, slips；21, gathering throat；22, fixing buckle；3, cone assembly；31, upper centrum；32, under
Centrum；4, metallic packing ring；5, starting ring is set.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Embodiment 1
As depicted in figs. 1 and 2, the embodiment of the invention provides a kind of solvable bridge plugs of all-metal pressure break, comprising:
Locking ring 1, wherein locking ring 1 is cylindrical in shape structure, has center flow channels；
Slips 2, wherein slips 2 is cylindrical in shape structure, be set on locking ring 1 and the inner wall of slips 2 and locking ring 1 it is outer
It is formed with gap between wall, bites internal surface of sleeve pipe for being radially expanded after receiving setting force and establishes axially position with casing
Bridge plug, and so that slips 2 is evenly distributed when squeezed state expands outwardly using the tubular structure of monoblock type slips 2；
Cone assembly 3, including upper centrum 31 and hypocentrum 32, wherein upper centrum 31 is set in the upper end of locking ring 1 simultaneously
It is fixed on locking ring 1 by buttless thread Standard, hypocentrum 32 is set in the lower end of the locking ring 1 and passes through saw
Tooth thread is connected on locking ring 1, is wedged the miner diameter end of centrum 31 and hypocentrum 32 and is plugged on slips 2 and locking ring 1
Gap in (refer to Fig. 3), for applying opposite extruding force to the slips 2 along the axis direction of locking ring 1, so that it is guaranteed that
Bridge plug stable structure specifically offers monodirectional locking screw thread on the inner wall of upper centrum 31, and sets on the outer wall of locking ring 1
Have and form the buttless thread that monodirectional locking structure is connect with the monodirectional locking screw thread on upper 31 inner wall of centrum, is connecing centrum 31
One-way movement is done to 32 direction of hypocentrum after by setting force, and the buttless thread silk of the inner wall of hypocentrum 32 and 1 outer wall of locking ring
Button connection, to fix locking ring 1 by hypocentrum 32, and using locking ring 1, slips 2, upper centrum 31 and hypocentrum 32 it
Between Wedged structure locking ring 1 is fixed in slips 2.Opening, benefit are also in axial direction equipped on the outer wall of locking ring 1
With locking ring 1 be an axially open formula tubular structure, make its radially be squeezed when diameter become smaller, convenient for upper centrum 31 to
Lower propulsion, and after being compressed axially stopping, 1 outer diameter of locking ring reply original size and with the monodirectional locking screw thread in upper centrum 31
Formed and be cooperatively connected, so that bridge plug be made to be located in compressive state under the compression of upper centrum 31, without do not have it is compressive
In the case of to not compressive state be displaced or reset；
Metallic packing ring 4 is arranged in the upper end of the slips 2 and is set on the outer skew wall of centrum 31, and upper vertebra
The lower end surface wedging of body 31 is plugged in metallic packing ring 4, after effect of the bridge plug in receiving external setting force, metallic packing ring
4 can expand outwardly to internal surface of sleeve pipe under the wedging of upper centrum 31 extruding, and establish sealing in it, to separate the upper of bridge plug
Side and lower section, it is ensured that sealing uniform force；
Starting ring 5 is set, wherein setting starting ring 5 is the becket that 2 lower end of slips is arranged in, sets 5 sets of ring of starting
On outer skew wall loaded on the hypocentrum 32, and sets and formed between the inner wall of starting ring 5 and the outer wall of the hypocentrum 32
There is the gap for the wedging of 2 lower end of slips, makes to set starting ring 5 after receiving setting force, starting ring 5 is set by the promotion of slips 2
It moves downward and expands outwardly along the outer wall of hypocentrum 32, be set as cyclic structure by the way that starting ring 5 will be set, simplify often
What rule bridge plug needed to start after shear pin bridge plug when setting sets principle, need to only ensure that setting force is greater than and set the pre- of starting ring 5
If power, bridge plug can be made to be squeezed by the wedging of centrum 31 upper after setting force and drive metallic packing ring 4, slips 2, set starting ring
5 move downward, and set to realize, and the setting force of bridge plug can adjust its design height according to actual needs, to bridge plug
After setting, sets starting ring 5 and still save stable mechanical structure, do not influence the effect and function of other components, avoid and cut
It is irregular because of material or shear surface to cut pin, bridge plug setting process is made the effect that sets that card is pinched and influences bridge plug, knot occur
Structure is simple, easy for installation, low to process equipment requirement, and the setting force of bridge plug can do letter according to the size for setting starting ring 5
Single adjustment keeps its processing and control of material more safe and reliable；
Wherein, locking ring 1, slips 2, cone assembly 3, metallic packing ring 4 and set starting ring 5 by soluble metal system
At by using all-metal structure, it is ensured that bridge plug has preferable intensity and hardness, and metallic packing ring 4 is with super modeling
The characteristics of metal material of denaturation is made, high based on metallic sealing material intensity, compressible deformation enables metallic packing ring 4 to build
Vertical reliable sealing, makes bridge plug using new material, technology high starting point, securely and reliably, Applicable temperature range are wide, and use environment is
10-150 degrees Celsius, traditional macromolecular elastomer sealing is replaced with metal material sealing, to solve solvable in the prior art
Metal+can defect existing for the bridge plug structure of sol rubber, and the material of metallic packing ring 41 belongs to similar with bridge plug structural material
Profile material can be required according to detail design, science adjustment material prescription, can each component of the solvable bridge plug of careful design dissolution when
Between.
As described above, the both ends open of slips 2 is disposed as to form the conical opening of miner diameter end inside slips 2, make
Centrum 31 wedges the outer wall at end and the inner wall close-fitting of 2 upper port of slips, and hypocentrum 32 wedges the outer wall and 2 lower port of slips at end
Inner wall close-fitting, and offered for slips 2 under squeezed state along the direction of end to middle part to extending out on the outer wall of slips 2
The gathering throat 21 opened, wherein the gathering throat 21 at 2 both ends of slips utilizes what is be staggered on 2 watts of walls of slips in being staggered
Gathering throat 21 make the slips 2 of tubular diameter after both ends are compressed become larger to far from locking ring 1 direction expand, from
And when applying setting force on upper centrum 31 makes the upper wedging extruding downwards of centrum 31, metallic packing ring 4, sets starting ring at slips 2
5 run mobile downwardly together and stretch to extending out, and the diameter under the opposing compression of upper centrum 31 and hypocentrum 32 of slips 2 is made to become larger simultaneously
It expands outwardly to internal surface of sleeve pipe and establishes axially position bridge plug with casing, wherein being also inlaid on the outer wall of slips 2 multiple solid
Surely button 22 is for the axial restraint bridge plug on squeezed state insertion internal surface of sleeve pipe, until metallic packing ring 4 continues in upper centrum 31
Wedging squeeze under expand outwardly to internal surface of sleeve pipe foundation set, formation consolidate complete sealing structure.The full gold of the present embodiment
Belong in the solvable bridge plug of pressure break in addition to the fixing buckle 22 inlayed on slips 2 is ceramics button or hard alloy button, other components are equal
For 100% soluble metal, cooperates cone assembly 3 to set simultaneously by slips 2 and metallic packing ring 4, utilize metallic packing ring
4, wedge-like engagement structure is used between slips 2 and cone assembly 3, and metallic packing ring 4 and internal surface of sleeve pipe is made to form firm cooperation,
It is equivalent to positioning fixed effect of the slips 2 in casing, to separate above and below bridge plug, it is ensured that sealing uniform force,
Deformation is complete, compact-sized, and part is few (number of parts only has six), and at low cost, more reliable performance is particularly suitable very
Advise the fracturing developing application of hydrocarbon formations or shale gas.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (7)
1. a kind of solvable bridge plug of all-metal pressure break, which is characterized in that the solvable bridge plug of all-metal pressure break includes:
Locking ring (1), tubular structure have center flow channels；
Slips (2), tubular structure are set on the locking ring (1) and the inner wall of the slips (2) and the locking ring
(1) be formed with gap between outer wall, for radially expanded after receiving setting force bite internal surface of sleeve pipe and with casing establish
Axially position bridge plug；
Cone assembly (3), including upper centrum (31) and hypocentrum (32), the upper centrum (31) are set in the locking ring (1)
Upper end and be fixed on locking ring (1) by buttless thread Standard, the hypocentrum (32) is set in the locking
The lower end of ring (1) is simultaneously connected on locking ring (1) by buttless thread, and the miner diameter end of centrum (31) and hypocentrum (32) is made
It is wedged in the gap of slips (2) and locking ring (1), applies opposite squeeze for the axis direction along the locking ring (1)
Pressure is to the slips (2)；
Metallic packing ring (4) is arranged the upper end in the slips (2) and is set on the outer skew wall of upper centrum (31), and on
The lower end surface wedging of centrum (31) is plugged in metallic packing ring (4), for expanding outwardly to set after receiving external setting force
Inside pipe wall establishes sealing；
Set starting ring (5), be arranged slips (2) lower end becket, it is described set starting ring (5) be set in the lower vertebra
On the outer skew wall of body (32), and sets and be formed between the inner wall of starting ring (5) and the outer wall of the hypocentrum (32) for card
The gap of watt (2) lower end wedging, makes to set starting ring (5) and moves downward simultaneously after receiving setting force along the hypocentrum (31)
It expands outwardly；
Wherein, locking ring (1), slips (2), cone assembly (3), metallic packing ring (4) and set starting ring (5) by solvable
Metal is made, and metallic packing ring (4) is made of the metal material with super plastic degeneration.
2. a kind of solvable bridge plug of all-metal pressure break according to claim 1, it is characterised in that: the upper centrum (31) it is interior
Monodirectional locking screw thread is offered on wall, the outer wall of the locking ring (1) is equipped with and the monodirectional locking on upper centrum (31) inner wall
Screw thread forms the buttless thread of monodirectional locking structure connection, makes centrum (31) after receiving setting force to hypocentrum (32) direction
Do one-way movement.
3. a kind of solvable bridge plug of all-metal pressure break according to claim 1, it is characterised in that: outside the locking ring (1)
It is in axial direction equipped with opening (11) on wall, is pushed for reducing diameter for upper centrum (31) in squeezed state.
4. a kind of solvable bridge plug of all-metal pressure break according to claim 1, it is characterised in that: the both ends of the slips (2)
Be open tapered mouth, makes the outer wall at upper centrum (31) wedging end and the inner wall close-fitting of slips (2) upper port, the lower vertebra
Body (32) wedges the outer wall at end and the inner wall close-fitting of slips (2) lower port.
5. a kind of solvable bridge plug of all-metal pressure break according to claim 1, it is characterised in that: the outer wall of the slips (2)
On along the direction of end to middle part offer the gathering throat (21) expanded outwardly under squeezed state for slips (2), the card
The gathering throat (21) at watt (2) both ends is in being staggered.
6. a kind of solvable bridge plug of all-metal pressure break according to claim 1, it is characterised in that: the outer wall of the slips (2)
On be inlaid with multiple fixing buckles (22) for squeezed state insertion internal surface of sleeve pipe on axial restraint bridge plug.
7. a kind of solvable bridge plug of all-metal pressure break according to claim 1, it is characterised in that: the hypocentrum (32) it is interior
The outer wall screwed connection of wall and locking ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910105740.4A CN109577910B (en) | 2019-02-01 | 2019-02-01 | All-metal fracturing soluble bridge plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910105740.4A CN109577910B (en) | 2019-02-01 | 2019-02-01 | All-metal fracturing soluble bridge plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109577910A true CN109577910A (en) | 2019-04-05 |
| CN109577910B CN109577910B (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910105740.4A Active CN109577910B (en) | 2019-02-01 | 2019-02-01 | All-metal fracturing soluble bridge plug |
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| Country | Link |
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| CN (1) | CN109577910B (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259413A (en) * | 2019-07-03 | 2019-09-20 | 中国石油天然气集团有限公司 | A kind of solvable bridge plug of integral type and preparation method thereof |
| CN110454111A (en) * | 2019-07-18 | 2019-11-15 | 中国石油天然气股份有限公司 | A kind of metal containment structure and oil/gas well set reconciliation encapsulation method |
| CN110513076A (en) * | 2019-09-24 | 2019-11-29 | 中国石油集团西部钻探工程有限公司 | The solvable bridge plug of pressure break metal sealing |
| CN110905443A (en) * | 2019-12-04 | 2020-03-24 | 中国石油大学(华东) | Soluble metal sealing fracturing bridge plug |
| CN111441741A (en) * | 2020-05-08 | 2020-07-24 | 中国石油天然气集团有限公司 | Soluble pumpable open type temporary bridge plug tool and use method thereof |
| CN111502595A (en) * | 2020-04-28 | 2020-08-07 | 大庆兴华天义石油钻采设备制造有限公司 | All-metal sealing soluble bridge plug |
| CN111779465A (en) * | 2020-04-22 | 2020-10-16 | 中国石油天然气股份有限公司 | Soluble fracturing ball seat |
| CN112240176A (en) * | 2020-09-15 | 2021-01-19 | 重庆交通大学 | Soluble bridge plug |
| CN112343538A (en) * | 2020-11-05 | 2021-02-09 | 延长油田股份有限公司 | Self-adaptive all-metal soluble ball seat |
| CN112682002A (en) * | 2020-12-30 | 2021-04-20 | 中石化石油工程技术服务有限公司 | All-metal soluble bridge plug |
| CN112727398A (en) * | 2021-02-05 | 2021-04-30 | 四川捷贝通能源科技有限公司 | Trace rubber sealed soluble bridge plug |
| WO2021155613A1 (en) * | 2020-02-07 | 2021-08-12 | 四川维泰科创石油设备制造有限公司 | Soluble metal sealing clamping seat |
| CN113338844A (en) * | 2020-03-03 | 2021-09-03 | 中国石油天然气股份有限公司 | Metal soluble ball seat, setting system and setting method |
| WO2021217332A1 (en) * | 2020-04-27 | 2021-11-04 | 四川维泰科创石油设备制造有限公司 | Anchoring assembly for downhole tool, and downhole tool |
| CN114016951A (en) * | 2021-12-02 | 2022-02-08 | 国仪石油技术(无锡)有限公司 | Metal soluble ball seat |
| EP4139556A4 (en) * | 2020-04-24 | 2024-04-03 | Innovex Downhole Solutions Inc | Downhole tool with seal ring and slips assembly |
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| CN111502595A (en) * | 2020-04-28 | 2020-08-07 | 大庆兴华天义石油钻采设备制造有限公司 | All-metal sealing soluble bridge plug |
| CN111502595B (en) * | 2020-04-28 | 2024-05-10 | 大庆兴华天义石油钻采设备制造有限公司 | All-metal sealed soluble bridge plug |
| CN111441741A (en) * | 2020-05-08 | 2020-07-24 | 中国石油天然气集团有限公司 | Soluble pumpable open type temporary bridge plug tool and use method thereof |
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| CN112240176A (en) * | 2020-09-15 | 2021-01-19 | 重庆交通大学 | Soluble bridge plug |
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| CN112727398B (en) * | 2021-02-05 | 2022-06-10 | 四川捷贝通能源科技有限公司 | Trace rubber sealed soluble bridge plug |
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