CN213684019U - Full soluble slip - Google Patents
Full soluble slip Download PDFInfo
- Publication number
- CN213684019U CN213684019U CN202022832361.6U CN202022832361U CN213684019U CN 213684019 U CN213684019 U CN 213684019U CN 202022832361 U CN202022832361 U CN 202022832361U CN 213684019 U CN213684019 U CN 213684019U
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- CN
- China
- Prior art keywords
- soluble
- slips
- slip
- water
- aluminum alloy
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- 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.)
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Classifications
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- 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
- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
- C22C23/02—Alloys based on magnesium with aluminium as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/129—Flame spraying
Abstract
The utility model discloses a full soluble slips belongs to downhole tool technical field, but is applicable to the instrument design that needs deblocking anchoring structure requirements such as packer, bridging plug. The preparation method of the fully soluble slip is to coat a nickel-based alloy thin layer with the thickness of 0.5-1mm, strong wear resistance and high friction coefficient on a water-soluble magnesium-aluminum alloy body which is specially designed and processed by using a specific process method. The application method of the fully soluble slips is matched with a slip cone and a slip back ring for use, the fully soluble slips are uniformly opened and attached to the casing in the setting process of the tool, the tool can be anchored on the casing and cannot move, and the tool can be automatically unsealed after the fully soluble slips are dissolved. Compared with the traditional slips, the fully-soluble slips do not damage the casing, impurities are not left in the casing after dissolution, follow-up construction is not affected, and the construction flow is simplified.
Description
Technical Field
The utility model relates to a downhole tool technical field, in particular to full soluble slips.
Background
A wide variety of downhole tools are required for use in hydrocarbon development, some of which require releasable anchoring structures, typical examples of which include: packer tools required in special operations such as testing, well workover, layered injection and production and the like; the bridge plug tool is used for temporarily plugging a shaft in the fracturing modification operation of an oil and gas well. Slips in traditional anchoring structure adopt technology preparation such as hardened surface tooth or inlay carbide tooth, inlay ceramic tooth, and the slips tooth can imbed the casing wall and cause the instrument can not remove, recycles special design's structure when needing the deblocking and withdraws the slips tooth. The traditional slip not only can damage the wall of a casing pipe and cause deformation and damage of the casing pipe, but also can leave fragments of slip teeth in a well to cause accidents, increase the difficulty of subsequent construction in the well, become potential safety hazards, and even the casing pipe needs to be drilled and ground to clean the casing pipe.
Disclosure of Invention
For overcoming the defect that prior art exists, the utility model provides a full soluble slips does not need the slips tooth, can not leave over the fragment in the well, and the anchoring is firm reliable.
The utility model provides a technical scheme that its technical problem adopted is: providing an all soluble slip comprising: the water-soluble magnesium-aluminum alloy comprises a water-soluble magnesium-aluminum alloy body and a nickel-based alloy thin layer; the nickel-based alloy thin layer is attached to the surface of the water-soluble magnesium-aluminum alloy body;
the water-soluble magnesium-aluminum alloy comprises a water-soluble magnesium-aluminum alloy body and a water-soluble magnesium-aluminum alloy body, wherein an inner conical surface is designed in the water-soluble magnesium-aluminum alloy body, and the taper of the inner conical surface is 5-10 degrees; designing stress grooves, wherein the stress grooves are formed by cutting slits on the water-soluble magnesium-aluminum alloy body, the width of each slit is 1-2 mm, the length of each slit is 1-3 mm less than the radius of the water-soluble magnesium-aluminum alloy body, and the number of the slits is 6-12; designing a concave-convex surface, wherein the concave-convex surface is represented by a circular arc surface, a triangular surface or other shaped surfaces; the design has fixed boss, the angle of fixed boss bottom plane and perpendicular is 0 ~ 30, the number of fixed boss with the stress groove number is the same.
Wherein the water-soluble magnesium-aluminum alloy body is made of water-soluble magnesium-aluminum alloy; the composition comprises the following components in percentage by weight: one material formula comprises 25-80% of magnesium, 19-74% of aluminum and less than or equal to 1% of other contents; the other material formula is 42-68% of magnesium, 31-57% of aluminum and the content of the other materials is less than or equal to 1%.
Wherein the nickel-based alloy thin layer is made of nickel-based alloy powder, the diameter of the powder particles is 0.05-0.3mm, and the nickel-based alloy thin layer is composed of the following components in percentage by weight: one material formula is that, nickel-chromium alloy powder is 60-99%, water-soluble magnesium aluminum alloy powder is 1-39%, and the other content is less than or equal to 1%; the other material formula is 60-95% of nickel-chromium-boron alloy powder, 1-39% of water-soluble magnesium aluminum alloy powder and the balance content is less than or equal to 1%.
The method for attaching the nickel-based alloy thin layer to the water-soluble magnesium-aluminum alloy body comprises the following steps:
the nickel-based alloy powder is formed into a molten or softened state by utilizing the high temperature of gas combustion flame;
and spraying the melted or softened nickel-based alloy powder onto the concave-convex surface of the water-soluble magnesium-aluminum alloy body by using compressed air flow to form a coating with the thickness of 0.5-1 mm.
Wherein the combustion gas is acetylene, propane or methylacetylene-propadiene, and the combustion temperature is controlled to be 200-250 ℃.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model provides a pair of full soluble slips preparation method compares in traditional slips preparation method, does not need the hardening surface tooth or inlay carbide tooth, inlay the ceramic tooth, and the slips anchoring can not cause deformation damage to the sleeve pipe, can not leave over metal fragment in the well yet, avoids causing the emergence of accident in the pit.
2. The utility model provides a pair of full soluble slips preparation method compares in traditional slips preparation method, does not need additionally supporting recovery slips mechanism, and full soluble slips can dissolve in aqueous completely, then automatic deblocking can not take place mechanical failure and causes the slips can not the deblocking, also need not lower tubular column brill and grinds the clearance sleeve pipe.
3. The utility model provides a pair of full soluble slips application method can make the even split of full soluble slips, makes the stable anchoring of instrument on the sleeve pipe, and simple structure, easily operation, safe and reliable have higher spreading value.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic structural view of an all-soluble slip according to the present invention;
FIG. 2 is a schematic cross-sectional view of a fully soluble slip segment according to the present invention;
fig. 3 is a schematic view of an arc-shaped concave-convex surface of an all-soluble slip according to the present invention;
fig. 4 is a schematic view of a triangular concave-convex surface of an all-soluble slip according to the present invention;
FIG. 5 is a schematic view of the application and assembly of an all soluble slip according to the present invention;
FIG. 6 is a schematic view of a slip cone in the application assembly of an all soluble slip according to the present invention;
FIG. 7 is a schematic view of a slip back ring in the application assembly of an all soluble slip according to the present invention;
FIG. 8 is a schematic view of a fully soluble slip according to the present invention before expansion in a casing;
FIG. 9 is a schematic view of a fully soluble slip according to the present invention after the slip is expanded in the casing;
fig. 10 is a schematic view of an external structure of an all-soluble slip according to the present invention.
In the figure: 1-full soluble slips, 2-slips cone, 3-slips back ring, 4-casing, 101-water-soluble magnesium aluminum alloy body, 102-nickel-based alloy thin layer, 10101-inner conical surface, 10102-stress groove, 10103-concave-convex surface, 10104-fixed boss, 201-outer conical surface, 301-fixed groove
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 and 10, the present invention provides an all soluble slip, comprising: a water-soluble magnesium-aluminum alloy body 101 and a nickel-based alloy thin layer 102.
The water-soluble magnesium-aluminum alloy body 101 is made of water-soluble magnesium-aluminum alloy and comprises the following components in percentage by weight: one preferable material formula is that the magnesium accounts for 25-80%, the aluminum accounts for 19-74%, and the content of the other materials is less than or equal to 1%; another preferable material formula is that the magnesium accounts for 42-68%, the aluminum accounts for 31-57%, and the other contents are less than or equal to 1%. The technical personnel adjust the formula of the water-soluble magnesium-aluminum alloy according to the formula proportion table according to the application environment and the complete dissolution time requirement.
The structural features of the water-soluble magnesium aluminum alloy body 101 include at least the following 4:
the design has interior conical surface 10101, and the tapering of interior conical surface 10101 generally is 5 ~ 10, and this angle is the friction angle of water-soluble magnalium alloy body 101 and slips cone 102, and accessible static friction test adjustment after survey.
The design has stress groove 10102, and stress groove 10102 carries out the slot on water-soluble magnalium body 101, and the slot width is 1 ~ 2mm generally, and the slot length generally subtracts 1 ~ 3mm for water-soluble magnalium body 101 radius, and the slot number is along circumference evenly distributed 6 ~ 12, and behind the processing stress groove 10102, water-soluble magnalium body 101 is evenly divided into 6 ~ 12, still has the material to connect between each and does not cut off, and one of them lamella is shown in figure 2.
The concave-convex surface 10103 is designed, the concave-convex surface 10103 can be represented as a circular arc surface as shown in fig. 4, or can be represented as a triangular surface as shown in fig. 5, or can be represented as a surface with other shapes, and any method capable of increasing the surface area of the outer circle of the water-soluble magnesium aluminum alloy body 101 can be adopted.
The design has fixed boss 10104, and the angle of fixed boss 10104 bottom plane and perpendicular is generally 0 ~ 30, and the number of fixed boss 10104 is generally the same with stress slot 10102 number.
The material of the thin nickel-based alloy layer 102 is nickel-based alloy powder, the diameter of the powder particles is generally 0.05-0.3mm, and the nickel-based alloy powder consists of the following components in percentage by weight: one preferable material formula is that the nickel-chromium alloy powder accounts for 60-99%, the water-soluble magnesium-aluminum alloy powder accounts for 1-39%, and the other content is less than or equal to 1%; another preferable material formula is that the nickel-chromium-boron alloy powder accounts for 60-95%, the water-soluble magnesium-aluminum alloy powder accounts for 1-39%, and the other content is less than or equal to 1%. Technicians adjust the formula of the nickel-based alloy powder according to the formula proportion table according to the bearing tonnage and the application environment requirements.
The method for adhering the nickel-based alloy thin layer 102 to the water-soluble magnesium-aluminum alloy body 101 comprises the following steps: the nickel-based alloy powder is melted or softened by using the high temperature of gas combustion flame, and the melted or softened nickel-based alloy powder is sprayed on the concave-convex surface 10103 of the water-soluble magnesium-aluminum alloy body 101 by using compressed air flow to form a coating with the thickness of 0.5-1mm generally. The combustion gas is acetylene, propane or methylacetylene-propadiene, and the combustion temperature is controlled to 200-250 ℃.
As shown in figure 5, the application method of the fully soluble slip 1 is matched with a slip cone 2 and a slip back ring 3.
As shown in fig. 6, the slip cone 2 is designed with an outer conical surface 201, the outer conical surface 201 is matched with the inner conical surface 10101, and the taper of the outer conical surface 201 is the same as that of the inner conical surface 10101.
As shown in fig. 7, the slip back ring 3 is designed with fixing grooves 301, the fixing grooves 301 are matched with the fixing bosses 10104, the angle between the bottom plane of the fixing grooves 301 and the vertical plane is the same as the angle between the bottom plane of the fixing bosses 10104 and the vertical plane, and the number of the fixing grooves 301 is the same as the number of the fixing bosses 10104.
The utility model discloses a full soluble slips theory of operation as follows:
as shown in fig. 8, the slip cone 2, the fully soluble slips 1, and the slip back ring 3 are assembled and then lowered into the casing 4.
As shown in fig. 9, the slip cone 2 is pressed downwards and/or the slip back ring 3 is pushed upwards by a special tool, the downward pressing force and/or the upward pushing force is generally 1-3 t, the fully soluble slip 1 expands along the outer conical surface of the slip cone 2, the fully soluble slip 1 is uniformly split along the stress groove 10102 under the influence of an expansion force and then is attached to and anchored on the inner wall of the casing 4, and the fully soluble slip 1 and the slip cone 2 cannot move due to friction force. When the liquid in the casing and the fully soluble slips 1 are subjected to chemical reaction, the fully soluble slips 1 are dissolved to realize automatic unsealing, and the unsealing process generally needs 96-240 hours.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the specific embodiments, which are merely illustrative and not restrictive, and those skilled in the art can make various modifications without departing from the spirit and scope of the present invention.
Claims (1)
1. An all soluble slip, characterized in that the all soluble slip (1) comprises: a water-soluble magnesium-aluminum alloy body (101) and a nickel-based alloy thin layer (102); the nickel-based alloy thin layer (102) is attached to the surface of the water-soluble magnesium-aluminum alloy body (101);
the water-soluble magnesium-aluminum alloy body (101) is designed with an inner conical surface (10101), and the conicity of the inner conical surface (10101) is 5-10 degrees; designing stress grooves (10102), wherein the stress grooves (10102) are formed by slotting on the water-soluble magnesium-aluminum alloy body (101), the width of each slotting is 1-2 mm, the length of each slotting is obtained by subtracting 1-3 mm from the radius of the water-soluble magnesium-aluminum alloy body (101), and the number of the slotting is 6-12 along the circumference; the concave-convex surface (10103) is designed, and the concave-convex surface (10103) is represented by a circular arc surface, a triangular surface or other shaped surfaces; the design has fixed boss (10104), the angle of fixed boss (10104) bottom plane and perpendicular is 0 ~ 30, the number of fixed boss (10104) with stress groove (10102) number is the same.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020112550718 | 2020-11-11 | ||
| CN202011255071 | 2020-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213684019U true CN213684019U (en) | 2021-07-13 |
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ID=74590055
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011379210.8A Pending CN112377122A (en) | 2020-11-11 | 2020-11-30 | Full soluble slip |
| CN202022832361.6U Active CN213684019U (en) | 2020-11-11 | 2020-11-30 | Full soluble slip |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011379210.8A Pending CN112377122A (en) | 2020-11-11 | 2020-11-30 | Full soluble slip |
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| Country | Link |
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| CN (2) | CN112377122A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414332B (en) * | 2021-06-21 | 2022-05-13 | 四川捷贝通能源科技有限公司 | Fully soluble slip tooth material and preparation method and application thereof |
| CN114135238A (en) * | 2021-07-13 | 2022-03-04 | 中石化石油工程技术服务有限公司 | Slip and preparation method thereof |
| CN113549861B (en) * | 2021-07-26 | 2023-05-05 | 四川赛欧航宇精密机械有限公司 | Soluble slip surface spraying method and soluble slip |
| 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 |
-
2020
- 2020-11-30 CN CN202011379210.8A patent/CN112377122A/en active Pending
- 2020-11-30 CN CN202022832361.6U patent/CN213684019U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112377122A (en) | 2021-02-19 |
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