CN108643849A - soluble slip and soluble bridge plug - Google Patents
soluble slip and soluble bridge plug Download PDFInfo
- Publication number
- CN108643849A CN108643849A CN201810321847.8A CN201810321847A CN108643849A CN 108643849 A CN108643849 A CN 108643849A CN 201810321847 A CN201810321847 A CN 201810321847A CN 108643849 A CN108643849 A CN 108643849A
- Authority
- CN
- China
- Prior art keywords
- slips
- solvable
- soluble
- adhesive layer
- bridge plug
- 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.)
- Granted
Links
- 239000000956 alloy Substances 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 15
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 14
- 239000012790 adhesive layer Substances 0.000 claims description 34
- 239000003638 chemical reducing agent Substances 0.000 claims description 17
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 4
- 238000005275 alloying Methods 0.000 claims description 2
- 239000008188 pellet Substances 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 abstract description 13
- 239000007788 liquid Substances 0.000 abstract description 6
- 239000010419 fine particle Substances 0.000 abstract description 3
- 229910001051 Magnalium Inorganic materials 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract 4
- 238000000576 coating method Methods 0.000 abstract 4
- 238000012856 packing Methods 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000000664 rectum Anatomy 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003292 glue 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
- 238000006897 homolysis reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- FYYHWMGAXLPEAU-OUBTZVSYSA-N magnesium-25 atom Chemical compound [25Mg] FYYHWMGAXLPEAU-OUBTZVSYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/10—Slips; Spiders ; Catching devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a soluble slip and a soluble bridge plug, and belongs to the field of oilfield equipment. The soluble slips include: the slips body of soluble magnalium alloy material, the outer wall of slips body are provided with the tie coat, and the surface unevenness of tie coat. The bonding layer is provided with a surface coating which is prepared by hard alloy particles with the diameter of 0.05-0.15 mm. According to the soluble slip provided by the invention, after the bridge plug is sealed, the slip body is dissolved, the bonding layer and the surface coating are broken under the action of pressure when the subsequent drifting operation is carried out, fine particles dispersed by the surface coating are discharged along with liquid, no residue is left in a shaft, and the subsequent operation is not interfered. And the anchoring is realized through the friction between the surface coating with different concave-convex parts and the inner wall of the sleeve, and the soluble slips are in surface contact with the inner wall of the sleeve, so that the damage to the inner wall of the sleeve can be reduced.
Description
Technical field
The present invention relates to oil field equipment field, more particularly to a kind of solvable slips and solvable bridge plug.
Background technology
In petroleum works completion, fracturing work technical field, often need to straight well, directional well or horizontal well pit shaft
Different intervals carry out staged fracturing operation, during staged fracturing, need to realize Inter-zonal packing using bridge plug.Solvable bridge plug energy
It realizes Inter-zonal packing when staged fracturing operation, and due to its soluble characteristic, can be dissolved in down-hole liquid, without boring
Mill operation can realize the latus rectum of pit shaft.Solvable bridge plug includes：Bridge plug ontology, be sleeved in the middle part of bridge plug ontology can colloidal sol
Cylinder, is arranged the wedge block at packing element both ends, and is arranged and plays the slips of anchoring and supporting role at wedge block both ends.In order to ensure
The whole solubility of solvable bridge plug, it is necessary to which a kind of solvable slips is provided.
The prior art provides such a solvable slips, including：The slips ontology of soluble magnesium aluminum alloy material, setting
In the ceramic tesserae of slips body surface.For slips body fits on solvable bridge plug, one end is to be contacted with solvable bridge plug outer wall
Column casing structure, the other end are the inner cone structure contacted with wedge block.The frictional resistance of ceramic tesserae and internal surface of sleeve pipe makes solvable card
Watt with casing be anchored, so that solvable slips is not slided in casing.
The inventor finds that the existing technology has at least the following problems：
Ceramic tesserae on solvable slips is the larger insoluble material of intensity, is interfered to follow-up drifting operation.And
The friction anchoring of ceramic tesserae and internal surface of sleeve pipe can generate impression on internal surface of sleeve pipe.
Invention content
An embodiment of the present invention provides a kind of solvable slips, solvable bridge plugs, can solve above-mentioned technical problem.Particular technique side
Case is as follows：
In a first aspect, a kind of solvable slips is provided, including：The slips ontology of soluble magnesium aluminum alloy material, the card
The outer wall of watt ontology is provided with adhesive layer, and the surface irregularity of the adhesive layer；
Face coat is provided on the adhesive layer, the face coat is closed using the hard of a diameter of 0.05-0.15mm
Gold particle is prepared.
In a kind of possible design, the slips ontology includes：Isometrical section be sequentially formed and reducer；
Isometrical section of the inner surface is column, and the reducer is inner cone structure.
In a kind of possible design, the cone angle of the reducer is 7 ° -12 °.
In a kind of possible design, the length of the slips ontology is 100-150mm.
In a kind of possible design, the surface of the adhesive layer is provided with irregular groove.
In a kind of possible design, the hard alloy particle is nickel-base alloy particle.
In a kind of possible design, the thickness of the face coat is 1-1.5mm.
In a kind of possible design, it is radially provided with a plurality of stress slot on the slips ontology and the adhesive layer,
The a plurality of stress slot is uniformly distributed circumferentially.
Second aspect, provides a kind of solvable bridge plug, and the solvable bridge plug includes solvable slips described in any one of the above embodiments.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：
Solvable slips provided in an embodiment of the present invention, bridge plug seal after, slips ontology is completely dissolved, adhesive layer and
Face coat is crushed under pressure when carrying out follow-up drifting operation, and the fine particle that face coat is dispersed into is arranged with liquid
Go out, the noresidue in pit shaft, interference is not generated to subsequent job.And the rubbing by ceramic tesserae and internal surface of sleeve pipe with the prior art
It wipes and realizes that anchoring is compared, the embodiment of the present invention realizes anchoring by the friction of concave-convex different face coat and internal surface of sleeve pipe, can
It is contacted for face between molten slips and internal surface of sleeve pipe, the damage to internal surface of sleeve pipe can be reduced.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is solvable slips structural schematic diagram provided in an embodiment of the present invention；
Fig. 2 is the cross-sectional view of solvable slips provided in an embodiment of the present invention；
Fig. 3 is the partial structural diagram of solvable slips provided in an embodiment of the present invention.
Reference numeral indicates respectively：
1- slips ontologies,
Isometrical section of 101-,
102- reducers,
2- adhesive layers,
3- face coats,
4- stress slots.
Specific implementation mode
Unless otherwise defined, all technical terms used in the embodiment of the present invention all have usual with those skilled in the art
The identical meaning understood.To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to this hair
Bright embodiment is described in further detail.
An embodiment of the present invention provides a kind of solvable slips, as shown in attached drawing 1, attached drawing 2 and attached drawing 3, including：Soluble magnesium
The outer wall of the slips ontology 1 of aluminum alloy material, slips ontology 1 is provided with adhesive layer 2, and the surface irregularity of adhesive layer 2.It is viscous
Face coat 3 is provided on knot layer 2, face coat 3 is prepared using the hard alloy particle of a diameter of 0.05-0.15mm.
The operation principle of solvable slips provided in an embodiment of the present invention is illustrated below：
Slips ontology 1 is soluble magnesium aluminum alloy material, can be completely dissolved in water after bridge plug seals.Adhesive layer
2 are arranged the outer wall in slips ontology 1, convenient for setting face coat 3.2 outer surface of adhesive layer is easily processed into different shape, passes through
The outer surface of adhesive layer 2 is processed into after different shape, face coat 3 is set again, face coat 3 can be made to have different shapes.
In the embodiment of the present invention, the surface irregularity of adhesive layer 2 keeps the outer surface of face coat 3 uneven, increases
The frictional resistance of face coat 3 and internal surface of sleeve pipe enables solvable slips to complete to be anchored.Face coat 3 is using diameter 0.05-
The hard alloy particle of 0.15mm is prepared, for example, can be 0.05mm, 0.1mm, 0.15mm etc., make solvable slips
With enough resistance to compressions, tensile strength.And after slips ontology 1 dissolves, adhesive layer 2 and face coat 3 are carrying out follow-up drifting
When operation, it can be crushed under pressure, the particle that face coat 3 is dispersed into is smaller, can return drain discharge with pit shaft,
Subsequent job is not interfered.
As it can be seen that solvable slips provided in an embodiment of the present invention, after bridge plug seals, slips ontology 1 is completely dissolved, and is bonded
Layer 2 and face coat 3 be crushed under pressure when carrying out follow-up drifting, the fine particle that face coat 3 is dispersed into
Liquid is discharged, the noresidue in pit shaft, does not generate interference to subsequent job.And pass through in ceramic tesserae and casing with the prior art
The friction of wall realizes that anchoring is compared, and the embodiment of the present invention is realized by the friction of concave-convex different face coat 3 Yu internal surface of sleeve pipe
Anchoring, contacts for face between solvable slips and internal surface of sleeve pipe, can reduce the damage to internal surface of sleeve pipe.
Wherein, the dissolution time of soluble magnesium aluminium alloy can be adjusted according to the ratio of magnalium ingredient, this field skill
Art personnel can match according to use demand.As an example, soluble magnesium aluminium alloy includes following weight percentage
Component：Magnesium 25~80%, the impurity that surplus is aluminium and content≤1%.As another example：Magnesium alloy includes following heavy
Measure the component of percentage：Magnesium 42~68%, the impurity that surplus is aluminium and content≤1%.
Adhesive layer 2 can be formed by the common binder in this field, for example, the sale of Henkel Loctite company
The structure glue of LOCTITE324 models can be adapted for the embodiment of the present invention.
It is described below for the structure of slips ontology 1：
As shown in Fig. 1, slips ontology 1 includes：Isometrical section 101 be sequentially formed and reducer 102.
Isometrical section 101 of inner surface is column, and reducer 102 is inner cone structure.
When slips ontology 1 is sleeved on bridge plug, isometrical section 101 contacts with bridge plug mandrel, and reducer 102 connects with wedge block
Touch, isometrical section 101 is adapted with bridge plug mandrel, and the inner cone structure of reducer 102 is adapted with wedge block, make slips ontology 1 and
Contact of the mandrel with wedge block is good.
It is understood that reducer 102 is identical as isometrical section 101 of internal diameter as one end internal diameter that isometrical section 101 contacts,
In axial direction internal diameter gradual change, open end internal diameter reach maximum.
Wherein, the cone angle of reducer 102 is 7 ° -12 °, for example, can be 7 °, 10 °, 12 ° etc..Cone angle refers to circular cone
In structure, the angle between two busbares of shaft section (section for passing through cone axis).It is big by the cone angle for controlling reducer 102
It is small that the structure of reducer 102 is made to meet expected requirement, so that reducer 102 is had enough thickness and compressive resistance, it is another
Aspect can make the extending out when being squeezed of reducer 102 that can be contacted with the inner wall of casing well, meet anchoring and require.
The length of slips ontology 1 is 100-150mm, for example, can be 100mm, 120mm, 150mm etc..Solvable card
Watt length it is identical as the length of slips ontology 1, so set, ensure between solvable slips and internal surface of sleeve pipe contact area foot
It is enough, ensure anchoring reliability.
In order to further enhance the anchoring reliability of solvable slips, the surface of adhesive layer 2 is provided with irregular groove.Due to
The shape of face coat 3 is identical as adhesive layer 2, so set, increase the frictional resistance between face coat 3 and internal surface of sleeve pipe,
Enhancing anchoring reliability.And the compression strength of adhesive layer 2 and the adhesion strength of face coat 3 and adhesive layer 2 can be improved.
In the embodiment of the present invention, as shown in Fig. 2, slips ontology 1 has been disposed radially a plurality of stress slot 4 with adhesive layer 2,
And a plurality of stress slot 4 is uniformly distributed circumferentially.So set, after bridge plug seals, slips ontology 1 is squeezed with adhesive layer 2
When can uniformly rupture, accelerate solution rate, and after adhesive layer 2 is broken into polylith, the small volume of every piece of adhesive layer 2, subsequently
It is easier when drifting operation broken.
Wherein it is possible to after adhesive layer 2 is formed in 1 outer wall of slips ontology, slips ontology 1 and adhesive layer 2 are processed simultaneously
Stress slot 4 radially, so that the stress slot on adhesive layer 2 is connected with the stress slot 4 on slips ontology 1, in this way, can make card
Watt ontology 1 is more uniform when being ruptured with adhesive layer 2.
The width of stress slot 4 can be 1-2mm, so set, slips ontology 1 can be enable uniformly to be broken with adhesive layer 2
It splits, and slips ontology 1 can be made to keep higher intensity.
The quantity of stress slot 4 can be multiple, for example, can be 4,6 etc., and be uniformly distributed circumferentially.When
When the quantity of stress slot 4 is 6, the angle between adjacent stress slot 4 is 60 °, and slips ontology 1 is uniform when being ruptured with adhesive layer 2
Split into 6 pieces.When the quantity of stress slot 4 is 4, the angle between adjacent stress slot 4 is 90 °, slips ontology 1 and bonding
Homolysis is at four pieces when layer 2 ruptures.
Face coat 3 is prepared using the hard alloy particle of a diameter of 0.05-0.15mm, and hard alloy particle is nickel
Based alloy particle.
Nickel-base alloy particle has higher hardness, makes to be unlikely to deform when 3 stress of face coat, can ensure solvable slips
Anchoring reliability between internal surface of sleeve pipe.
Nickel-base alloy particle can be the metal of the Ni40 models of the prosperous drill alloy Materials Co., Ltd production in Shanghai or sale
Alloy powder.Nickel-base alloy particle can be coated in the outer surface of adhesive layer 2 by Supersonic Plasma Spraying technique, form table
Finishing coat 3.
Further, the thickness of face coat 3 is 1-1.5mm, for example, can be 1mm, 1.25mm, 1.5mm etc..
So set, the intensity of face coat 3 and hardness is made to disclosure satisfy that use demand, and then enhance anchoring reliability, and in pressure
It is easily broken under effect, so that alloying pellet is returned row with liquid.
The embodiment of the present invention additionally provides a kind of solvable bridge plug, includes the solvable slips of any of the above-described.
Solvable bridge plug further includes：Solvable mandrel is arranged with outside solvable mandrel for by the solvable of expansion plugging pit shaft
Packing element.Two solvable slips are separately positioned on the both ends of solvable packing element, and are offseted by wedge block and solvable packing element, can colloidal sol
Cylinder is axially locked on solvable mandrel.Solvable mandrel is in hollow tubular, and one end of solvable mandrel is equipped with for blocking solvable core
The solvable ball of the nozzle of axis is equipped with the solvable guide shoe for being bored under guiding in the other end of solvable mandrel.
Solvable bridge plug can realize Inter-zonal packing when staged fracturing operation, and have soluble properties, can be in down-hole liquid
Middle dissolving can realize the latus rectum of pit shaft without drilling and grinding operation, not interfered to subsequent job, reduce manpower and materials and disappear
Consumption.
The foregoing is merely presently preferred embodiments of the present invention, the protection domain being not intended to limit the invention, all in this hair
Within bright spirit and principle, any modification, equivalent replacement, improvement and so on should be included in protection scope of the present invention
Within.
Claims (9)
1. a kind of solvable slips, including：The slips ontology (1) of soluble magnesium aluminum alloy material, which is characterized in that the slips sheet
The outer wall of body (1) is provided with adhesive layer (2), and the surface irregularity of the adhesive layer (2)；
Face coat (3) is provided on the adhesive layer (2), the face coat (3) uses grain size for the hard of 0.05-0.15mm
Matter alloying pellet is prepared.
2. solvable slips according to claim 1, which is characterized in that the slips ontology (1) includes：Be sequentially formed etc.
Diameter section (101) and reducer (102)；
The inner surface of isometrical section (101) is column, and the reducer (102) is inner cone structure.
3. solvable slips according to claim 2, which is characterized in that the cone angle of the reducer (102) is 7 ° -12 °.
4. solvable slips according to claim 1, which is characterized in that the length of the slips ontology (1) is 100-
150mm。
5. solvable slips according to claim 1, which is characterized in that the surface of the adhesive layer (2) is provided with irregularly
Groove.
6. solvable slips according to claim 1, which is characterized in that the hard alloy particle is nickel-base alloy particle.
7. solvable slips according to claim 1, which is characterized in that the thickness of the face coat (3) is 1-1.5mm.
8. according to the solvable slips of claim 1-7 any one of them, which is characterized in that the slips ontology (1) is glued with described
It is radially provided with a plurality of stress slot (4) on knot layer (2), a plurality of stress slot (4) is uniformly distributed circumferentially.
9. a kind of solvable bridge plug, which is characterized in that the solvable bridge plug includes the solvable card of claim 1-8 any one of them
Watt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321847.8A CN108643849B (en) | 2018-04-11 | 2018-04-11 | Soluble slip and soluble bridge plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321847.8A CN108643849B (en) | 2018-04-11 | 2018-04-11 | Soluble slip and soluble bridge plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108643849A true CN108643849A (en) | 2018-10-12 |
| CN108643849B CN108643849B (en) | 2020-07-10 |
Family
ID=63746044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810321847.8A Active CN108643849B (en) | 2018-04-11 | 2018-04-11 | Soluble slip and soluble bridge plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108643849B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915072A (en) * | 2018-11-09 | 2019-06-21 | 席君杰 | A kind of manufacturing method of novel solvable bridge plug and the solvable bridge plug manufactured by this method |
| CN110055047A (en) * | 2019-04-26 | 2019-07-26 | 天津市玛特瑞科技有限公司 | A kind of quick-dissolving agent and preparation method accelerating the dissolution of magnesium alloy completion tool |
| CN110080708A (en) * | 2019-04-26 | 2019-08-02 | 天津市玛特瑞科技有限公司 | A method of accelerating the dissolution of magnesium alloy completion tool |
| CN112127834A (en) * | 2020-09-15 | 2020-12-25 | 张军 | Soluble bridge plug |
| CN112377122A (en) * | 2020-11-11 | 2021-02-19 | 中石化石油工程技术服务有限公司 | Full soluble slip |
| CN112576220A (en) * | 2020-12-04 | 2021-03-30 | 中石化石油工程技术服务有限公司 | Large-drift-diameter expansion type fully-soluble bridge plug, setting connection tool thereof and use method |
| CN112761606A (en) * | 2021-01-26 | 2021-05-07 | 西安费诺油气技术有限公司 | FDC all-metal soluble fracturing nipple |
| CN112761576A (en) * | 2021-01-26 | 2021-05-07 | 陕西鑫汇新能源科技开发有限公司 | Metal soluble temporary plugging tool |
| CN113549861A (en) * | 2021-07-26 | 2021-10-26 | 四川赛欧航宇精密机械有限公司 | Soluble slip surface spraying method and soluble slip |
| CN113881375A (en) * | 2021-10-08 | 2022-01-04 | 成都托克密封件有限责任公司 | Slip coating and preparation method thereof, slip and soluble bridge plug |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915072A (en) * | 2018-11-09 | 2019-06-21 | 席君杰 | A kind of manufacturing method of novel solvable bridge plug and the solvable bridge plug manufactured by this method |
| CN110055047A (en) * | 2019-04-26 | 2019-07-26 | 天津市玛特瑞科技有限公司 | A kind of quick-dissolving agent and preparation method accelerating the dissolution of magnesium alloy completion tool |
| CN110080708A (en) * | 2019-04-26 | 2019-08-02 | 天津市玛特瑞科技有限公司 | A method of accelerating the dissolution of magnesium alloy completion tool |
| CN112127834A (en) * | 2020-09-15 | 2020-12-25 | 张军 | Soluble bridge plug |
| CN112377122A (en) * | 2020-11-11 | 2021-02-19 | 中石化石油工程技术服务有限公司 | Full soluble slip |
| CN112576220A (en) * | 2020-12-04 | 2021-03-30 | 中石化石油工程技术服务有限公司 | Large-drift-diameter expansion type fully-soluble bridge plug, setting connection tool thereof and use method |
| CN112761606A (en) * | 2021-01-26 | 2021-05-07 | 西安费诺油气技术有限公司 | FDC all-metal soluble fracturing nipple |
| CN112761576A (en) * | 2021-01-26 | 2021-05-07 | 陕西鑫汇新能源科技开发有限公司 | Metal soluble temporary plugging tool |
| CN113549861A (en) * | 2021-07-26 | 2021-10-26 | 四川赛欧航宇精密机械有限公司 | Soluble slip surface spraying method and soluble slip |
| CN113881375A (en) * | 2021-10-08 | 2022-01-04 | 成都托克密封件有限责任公司 | Slip coating and preparation method thereof, slip and soluble bridge plug |
| CN113881375B (en) * | 2021-10-08 | 2022-03-25 | 成都托克密封件有限责任公司 | Slip coating and preparation method thereof, slip and soluble bridge plug |
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| CN108643849B (en) | 2020-07-10 |
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