CN109577910B - All-metal fracturing soluble bridge plug - Google Patents
All-metal fracturing soluble bridge plug Download PDFInfo
- Publication number
- CN109577910B CN109577910B CN201910105740.4A CN201910105740A CN109577910B CN 109577910 B CN109577910 B CN 109577910B CN 201910105740 A CN201910105740 A CN 201910105740A CN 109577910 B CN109577910 B CN 109577910B
- Authority
- CN
- China
- Prior art keywords
- wall
- ring
- slip
- cone body
- locking ring
- 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.)
- Active
Links
- 239000002184 metal Substances 0.000 title claims abstract description 65
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 238000001125 extrusion Methods 0.000 claims description 15
- 239000007769 metal material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 description 8
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000032683 aging Effects 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
- 230000007812 deficiency Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000013013 elastic material Substances 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
- 238000000034 method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Images
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
Landscapes
- 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)
- Prostheses (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The embodiment of the invention discloses an all-metal fracturing soluble bridge plug which comprises a slip, a cone assembly, a metal sealing ring, a setting starting ring and a locking ring, wherein the slip is sleeved on the locking ring, a gap is formed between the inner wall of the slip and the outer wall of the locking ring, the cone assembly comprises an upper cone body and a lower cone body, the upper cone body and the lower cone body are sleeved on the locking ring, the small-diameter ends of the upper cone body and the lower cone body are wedged into the gap between the slip and the locking ring, the metal sealing ring is sleeved on the outer inclined wall of the upper cone body, the setting starting ring is sleeved on the outer inclined wall of the lower cone body, and the locking ring, the slip, the cone assembly, the metal sealing ring and the setting starting ring are all made of soluble metal. The invention utilizes the wedge-shaped matching structure among the metal sealing ring, the slips and the cone to ensure that the metal sealing ring is firmly matched with the inner wall of the casing pipe, so that the sealing stress of the casing pipe is uniform, and the bridge plug is ensured to have stable structure and strength.
Description
Technical Field
The embodiment of the invention relates to the technical field of oil and gas field development, in particular to an all-metal fracturing soluble bridge plug.
Background
Soluble bridge plugs currently used in the market adopt soluble metal + soluble rubber (aging type elastomer). Because the structure adopts the structure of the conventional bridge plug or packer, the parts are still processed more than 20 parts, and the inner diameter of the bridge plug is reduced because the size of each part is enlarged in the design due to the insufficient strength or hardness of the soluble metal; as the sealing component of the soluble bridge plug, the material usually selects the high molecular elastomer, in order to make it soluble or aged, the formula is adjusted, so that it can be aged and dissolved under the action of temperature or illumination in a certain time, but such elastic material has great technical hidden trouble and construction risk in the practical use, because the elastomer must strictly control the storage environment, temperature, illumination, solvent avoidance and the like after production in order to keep the original mechanical properties, the management cost of the equipment in the field construction operation becomes high, and the performance quality of the product has not been effectively evaluated and judged if the storage time is too long.
Disclosure of Invention
Therefore, the embodiment of the invention provides an all-metal fracturing soluble bridge plug to solve the problems of defects and deficiencies of the soluble bridge plug in use in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: an all-metal frac soluble bridge plug comprising:
a locking ring, a tubular structure, having a central flow passage;
the slip is sleeved on the locking ring, a gap is formed between the inner wall of the slip and the outer wall of the locking ring, and the slip is used for radially expanding and biting the inner wall of the casing after receiving setting force and establishing an axial positioning bridge plug with the casing;
the cone assembly comprises an upper cone body and a lower cone body, the upper cone body is sleeved on the upper end part of the locking ring and is assembled and fixed on the locking ring through a sawtooth thread structure, the lower cone body is sleeved on the lower end part of the locking ring and is connected to the locking ring through sawtooth threads, and the small-diameter ends of the upper cone body and the lower cone body are wedged in a gap between the slip and the locking ring and are used for applying relative extrusion force to the slip along the axial direction of the locking ring;
the metal sealing ring is arranged at the upper end part of the slip and sleeved on the outer inclined wall of the upper cone, and the lower end surface of the upper cone is wedged and inserted into the metal sealing ring and used for expanding outwards to the inner wall of the sleeve to establish sealing after receiving external setting force;
the setting starting ring is sleeved on the outer inclined wall of the lower vertebral body, and a gap for wedging the lower end part of the slip is formed between the inner wall of the setting starting ring and the outer wall of the lower vertebral body, so that the setting starting ring moves downwards along the lower vertebral body and expands outwards after receiving setting force;
the locking ring, the slips, the cone assembly, the metal sealing ring and the setting starting ring are all made of soluble metal, and the metal sealing ring is made of metal materials with superplasticity.
The embodiment of the invention is also characterized in that the inner wall of the upper vertebral body is provided with one-way locking threads, and the outer wall of the locking ring is provided with sawtooth threads which form one-way locking structure connection with the one-way locking threads on the inner wall of the upper vertebral body, so that the upper vertebral body can move in one way towards the lower vertebral body after receiving the setting force.
The embodiment of the invention is also characterized in that the outer wall of the locking ring is provided with an opening along the axial direction, and the opening is used for reducing the diameter in a squeezing state so as to press the upper vertebral body downwards.
The embodiment of the invention is also characterized in that the openings at the two ends of the slip are conical openings, so that the outer wall of the wedge-in end of the upper cone body is tightly matched with the inner wall of the upper port of the slip, and the outer wall of the wedge-in end of the lower cone body is tightly matched with the inner wall of the lower port of the slip.
The embodiment of the invention is also characterized in that the outer wall of the slip is provided with working gaps along the direction from the end part to the middle part, the working gaps are used for outward expansion of the slip in an extrusion state, and the working gaps at the two ends of the slip are arranged in a staggered manner.
The embodiment of the invention is also characterized in that a plurality of fixing buckles are embedded on the outer wall of the slip and used for axially fixing the bridge plug embedded into the inner wall of the sleeve in a squeezing state.
An embodiment of the invention is further characterized in that the inner wall of the lower cone is in threaded connection with the outer wall of the locking ring.
The embodiment of the invention has the following advantages: the slip, the cone assembly, the metal sealing ring, the setting starting ring and the locking ring are arranged, the setting starting ring is arranged to be an annular structure to avoid midway setting, the slip is designed to be a cylindrical integral structure, the slip is uniformly distributed when being outwards expanded in an extrusion state, the metal sealing ring with superplasticity is used for establishing reliable sealing based on the characteristics of high strength and easiness in compression deformation, specifically, the bridge plug is blanked into the casing, the setting force which is larger than the preset force of the setting starting ring is applied to the upper cone body to enable the upper cone body to be downwards compressed, at the moment, the upper cone body, the metal sealing ring, the slip and the setting starting ring are downwards operated, moved and outwards expanded, the diameter of the slip is increased under the relative extrusion of the upper cone body and the lower cone body, the slip is outwards expanded to the inner wall of the casing and establishes an axial positioning bridge plug with the casing, until the metal sealing ring is continuously outwards expanded to the inner wall of the casing under the wedging extrusion of the upper cone, the metal sealing ring, the slips and the cone are matched in a wedge shape, so that the metal sealing ring and the inner wall of the casing form firm matching, the positioning and fixing effect of the slips in the casing is equivalent, the sealing stress is ensured to be uniform, the deformation is complete, the locking ring, the slips, the cone assembly, the metal sealing ring and the setting starting ring are made of soluble metal, the structure is compact, the number of parts is small, the performance is more reliable, and the brand-new metal sealing fracturing soluble bridge plug is obtained.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic diagram of the overall structure of an all-metal fracturing soluble bridge plug provided by an embodiment of the invention;
FIG. 2 is a schematic diagram of an exploded structure of an all-metal fracturing soluble bridge plug provided by an embodiment of the invention;
FIG. 3 is a schematic diagram of the internal structure of an all-metal fracturing soluble bridge plug provided by an embodiment of the invention;
in the figure: 1. a locking ring; 2. slips; 21. a working gap; 22. a fixing buckle; 3. a cone assembly; 31. a superior vertebral body; 32. the inferior vertebral body; 4. a metal seal ring; 5. the actuating ring is seated.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 and 2, an embodiment of the present invention provides an all-metal fracturing soluble bridge plug, including:
the locking ring comprises a locking ring 1, wherein the locking ring 1 is of a cylindrical structure and is provided with a central flow passage;
the slips 2 are of a cylindrical structure, are sleeved on the locking ring 1, and a gap is formed between the inner wall of the slips 2 and the outer wall of the locking ring 1 and used for radially expanding and biting into the inner wall of the casing and establishing an axial positioning bridge plug with the casing after receiving setting force, and the slips 2 adopt an integral cylindrical structure, so that the slips 2 are uniformly distributed when being outwards expanded in an extrusion state;
the cone assembly 3 comprises an upper cone body 31 and a lower cone body 32, wherein the upper cone body 31 is sleeved at the upper end part of the locking ring 1 and is assembled and fixed on the locking ring 1 through a sawtooth thread structure, the lower cone body 32 is sleeved at the lower end part of the locking ring 1 and is connected on the locking ring 1 through sawtooth threads, the small-diameter ends of the upper cone body 31 and the lower cone body 32 are wedged and inserted in a gap between the slip 2 and the locking ring 1 (refer to figure 3) and are used for applying relative extrusion force to the slip 2 along the axial direction of the locking ring 1 so as to ensure the stability of the bridge plug structure, specifically, the inner wall of the upper cone body 31 is provided with one-way locking threads, the outer wall of the locking ring 1 is provided with sawtooth threads which form one-way locking structure connection with the one-way locking threads on the inner wall of the upper cone body 31, so that the upper cone body 31 makes one-way movement in the direction of the lower cone, thereby the locking ring 1 is held by the lower cone 32 and the locking ring 1 is held in the slips 2 by means of the wedging arrangement between the locking ring 1, the slips 2, the upper cone 31 and the lower cone 32. An opening is further formed in the outer wall of the locking ring 1 along the axial direction, the locking ring 1 is of an axial opening type cylindrical structure, the diameter of the locking ring 1 is reduced when the locking ring is radially extruded, the upper vertebral body 31 is conveniently pushed downwards, and after axial compression is stopped, the outer diameter of the locking ring 1 returns to the original size and is in matched connection with the one-way locking threads in the upper vertebral body 31, so that the bridge plug is positioned in a compression state under the compression of the upper vertebral body 31, and cannot be displaced or reset to a non-compression state under the condition of no compression force;
the metal sealing ring 4 is arranged at the upper end part of the slip 2 and sleeved on the outer inclined wall of the upper cone 31, the lower end surface of the upper cone 31 is wedged and inserted in the metal sealing ring 4, and after the bridge plug receives the action of external setting force, the metal sealing ring 4 can be outwards expanded to the inner wall of the casing pipe under the wedging and extrusion of the upper cone 31 and establishes sealing on the inner wall of the casing pipe, so that the upper part and the lower part of the bridge plug are separated, and the uniform sealing stress is ensured;
the setting and starting ring 5 is a metal ring arranged at the lower end part of the slip 2, the setting and starting ring 5 is sleeved on the outer inclined wall of the lower cone 32, a gap for wedging the lower end part of the slip 2 is formed between the inner wall of the setting and starting ring 5 and the outer wall of the lower cone 32, after the setting and starting ring 5 receives the setting force, the slip 2 pushes the setting and starting ring 5 to move downwards along the outer wall of the lower cone 32 and expand outwards, the setting and starting ring 5 is arranged into an annular structure, the setting and starting principle that the bridge plug needs to be started after a pin is sheared during the conventional bridge plug setting is simplified, the upper cone 31 can be wedged and extruded and drives the metal sealing ring 4, the slip 2 and the setting and starting ring 5 to move downwards after the bridge plug receives the setting force only by ensuring that the setting force is larger than the preset force of the setting and starting ring 5, so that the setting and the setting force of the bridge plug can adjust the design height according to actual requirements, after the bridge plug is seated, the seat seal starting ring 5 still maintains a stable mechanical structure, the action and the function of other parts are not influenced, the phenomenon that the seat seal effect of the bridge plug is influenced by clamping and pinching during the seat seal process of the bridge plug due to the fact that the shearing pin is irregular in material or shearing surface is avoided, the structure is simple, the installation is convenient, the requirement on processing equipment is low, the seat seal force of the bridge plug can be simply adjusted according to the size of the seat seal starting ring 5, and the processing and the material control are safer and more reliable;
wherein, the locking ring 1, the slips 2, the cone assembly 3, the metal sealing ring 4 and the setting start ring 5 are all made of soluble metal, the bridge plug is ensured to have better strength and hardness by adopting an all-metal structure, and the metal sealing ring 4 is made of metal material with superplasticity, the metal sealing ring 4 can establish reliable sealing based on the characteristics of high strength and easy compression deformation of metal sealing material, so that the bridge plug adopts new material, the technical starting point is high, the safety and the reliability are realized, the applicable temperature range is wide, the use environment is 10-150 ℃, the metal material sealing replaces the traditional high polymer elastomer sealing, thereby solving the defects of the bridge plug structure of soluble metal and soluble rubber in the prior art, the material of the metal sealing ring 41 and the bridge plug structure material belong to the same type material, and the material formula can be scientifically adjusted according to the construction design requirements, the dissolution time of each component of the soluble bridge plug can be precisely designed.
As described above, the openings at both ends of the slip 2 are set to be the tapered openings forming the small diameter end in the slip 2, so that the outer wall of the wedged end of the upper cone 31 is tightly matched with the inner wall of the upper port of the slip 2, and the outer wall of the wedged end of the lower cone 32 is tightly matched with the inner wall of the lower port of the slip 2, and the outer wall of the slip 2 is provided with the working gaps 21 along the direction from the end part to the middle part for the slip 2 to expand outwards in the extrusion state, wherein the working gaps 21 at both ends of the slip 2 are arranged in a staggered manner, the working gaps 21 arranged in the wall of the slip 2 wall are used for enabling the diameter of the cylindrical slip 2 to be increased after the two ends are compressed, so that the cylindrical slip 2 is expanded towards the direction far away from the locking ring 1, and thus when the upper cone 31 is wedged downwards to be extruded by applying the setting force on the upper cone 31, the metal sealing ring 4, the slip 2 and the setting starting ring 5 move downwards and expand outwards together, so that the slip 2 is enabled to be increased in diameter under The pipe is built with an axial positioning bridge plug, wherein a plurality of fixing buckles 22 are embedded on the outer wall of the slip 2 and are used for axially fixing the bridge plug on the inner wall of the casing in a pressing state until the metal sealing ring 4 continues to be wedged and pressed by the upper cone 31 and expands outwards until the inner wall of the casing is built with a setting, so that a stable and complete sealing structure is formed. In the all-metal fracturing soluble bridge plug of the embodiment, except that the fixing buckle 22 embedded on the slip 2 is a ceramic buckle or a hard alloy buckle, other parts are 100% soluble metal, the slip 2 and the metal sealing ring 4 are simultaneously matched with the cone assembly 3 for setting, the metal sealing ring 4 is utilized, and a wedge-shaped matching structure is adopted between the slip 2 and the cone assembly 3, so that the metal sealing ring 4 and the inner wall of a casing pipe form firm matching, which is equivalent to the positioning and fixing effect of the slip 2 in the casing pipe, thereby separating the upper part and the lower part of the bridge plug, ensuring uniform sealing stress, complete deformation, compact structure, few parts (only six parts in number), low cost and more reliable performance, and the all-metal fracturing soluble bridge plug is particularly suitable for fracturing development and application in unconventional oil-gas strata or shale gas.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (3)
1. An all-metal frac soluble bridge plug, comprising:
the locking ring (1) is of a cylindrical structure and is provided with a central flow passage;
the slips (2) are of cylindrical structures, are sleeved on the locking ring (1), and form a gap between the inner wall of the slips (2) and the outer wall of the locking ring (1) for radially expanding and biting into the inner wall of the casing and establishing an axial positioning bridge plug with the casing after receiving setting force; working gaps (21) for the slips (2) to expand outwards in an extrusion state are formed in the outer wall of the slips (2) along the direction from the end part to the middle part, and the working gaps (21) at the two ends of the slips (2) are arranged in a staggered mode;
the cone assembly (3) comprises an upper cone body (31) and a lower cone body (32), the upper cone body (31) is sleeved on the upper end part of the locking ring (1) and is assembled and fixed on the locking ring (1) through a sawtooth thread structure, the lower cone body (32) is sleeved on the lower end part of the locking ring (1) and is connected to the locking ring (1) through sawtooth threads, and small diameter ends of the upper cone body (31) and the lower cone body (32) are wedged in a gap between the slip (2) and the locking ring (1) and are used for applying relative extrusion force to the slip (2) along the axial direction of the locking ring (1); the inner wall of the upper vertebral body (31) is provided with one-way locking threads, the outer wall of the locking ring (1) is provided with sawtooth threads which form one-way locking structure connection with the one-way locking threads on the inner wall of the upper vertebral body (31), so that the upper vertebral body (31) can move in one way towards the lower vertebral body (32) after receiving a setting force; the inner wall of the lower vertebral body (32) is in threaded connection with the outer wall of the locking ring (1); openings at two ends of the slip (2) are conical openings, so that the outer wall of the wedged end of the upper cone body (31) is tightly matched with the inner wall of the upper port of the slip (2), and the outer wall of the wedged end of the lower cone body (32) is tightly matched with the inner wall of the lower port of the slip (2);
the metal sealing ring (4) is arranged at the upper end part of the slip (2) and sleeved on the outer inclined wall of the upper cone body (31), and the lower end surface of the upper cone body (31) is wedged and inserted into the metal sealing ring (4) and used for expanding outwards to the inner wall of the sleeve to establish sealing after receiving external setting force;
the sealing and starting device comprises a sealing and starting ring (5) which is a metal ring arranged at the lower end part of a slip (2), wherein the sealing and starting ring (5) is sleeved on the outer inclined wall of a lower cone body (32), and a gap for wedging the lower end part of the slip (2) is formed between the inner wall of the sealing and starting ring (5) and the outer wall of the lower cone body (32), so that the sealing and starting ring (5) can move downwards along the lower cone body (31) and expand outwards after receiving sealing force;
the locking ring (1), the slips (2), the cone assembly (3), the metal sealing ring (4) and the setting starting ring (5) are all made of soluble metal, and the metal sealing ring (4) is made of a metal material with superplasticity;
openings at two ends of the slips (2) are set to be conical openings forming small-diameter ends in the slips (2), the cylindrical slips (2) are expanded in the direction away from the locking ring (1) by utilizing the staggered working gaps (21) on the slip wall of the slips (2) to ensure that the diameter of the cylindrical slips (2) is increased after the two ends are compressed, thereby exerting setting force on the upper vertebral body (31) to enable the upper vertebral body (31) to be wedged downwards and extruded, the metal sealing ring (4), the slip (2) and the setting starting ring (5) move downwards together and extend outwards, so that the slip (2) is enlarged in diameter under the relative extrusion of the upper cone body (31) and the lower cone body (32), is expanded outwards to the inner wall of the casing pipe and establishes an axial positioning bridge plug with the casing pipe until the metal sealing ring (4) continues to be expanded outwards to the inner wall of the casing pipe under the wedging extrusion of the upper cone body (31) to establish setting, and a stable and complete sealing structure is formed.
2. The all-metal fracturing soluble bridge plug of claim 1, wherein: an opening (11) is formed in the outer wall of the locking ring (1) in the axial direction and used for reducing the diameter in an extrusion state so that an upper vertebral body (31) can be pressed downwards.
3. The all-metal fracturing soluble bridge plug of claim 1, wherein: the outer wall of the slip (2) is inlaid with a plurality of fixing buckles (22) which are embedded into the inner wall of the sleeve in an extrusion state to axially fix the bridge plug.
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 CN109577910A (en) | 2019-04-05 |
| CN109577910B true CN109577910B (en) | 2021-05-28 |
Family
ID=65918705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910105740.4A Active CN109577910B (en) | 2019-02-01 | 2019-02-01 | All-metal fracturing soluble bridge plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109577910B (en) |
Families Citing this family (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 |
| CN110905443B (en) * | 2019-12-04 | 2021-09-21 | 中国石油大学(华东) | Soluble metal sealing fracturing bridge plug |
| CN113250648B (en) * | 2020-02-07 | 2024-05-28 | 四川维泰科创石油设备制造有限公司 | Soluble metal seal clamping seat |
| CN113338844B (en) * | 2020-03-03 | 2023-04-25 | 中国石油天然气股份有限公司 | Metal soluble ball seat, setting system and setting method |
| 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 |
| EP4139556A4 (en) * | 2020-04-24 | 2024-04-03 | Innovex Downhole Solutions Inc. | Downhole tool with seal ring and slips assembly |
| 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 |
| 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 |
| CN111441741B (en) * | 2020-05-08 | 2023-09-29 | 中国石油天然气集团有限公司 | Soluble pumpable open temporary plugging bridge plug tool and use method |
| CN112240176B (en) * | 2020-09-15 | 2022-11-08 | 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 |
| CN112682002B (en) * | 2020-12-30 | 2022-12-09 | 中石化石油工程技术服务有限公司 | All-metal soluble bridge plug |
| 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 |
| CN114016951A (en) * | 2021-12-02 | 2022-02-08 | 国仪石油技术(无锡)有限公司 | Metal soluble ball seat |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484699A (en) * | 2015-12-07 | 2016-04-13 | 中国石油天然气股份有限公司 | Drilling and milling-free bridge plug for fracturing |
| CN106437615A (en) * | 2016-11-08 | 2017-02-22 | 天津市通盈石油技术开发有限公司 | Soluble bridge plug |
| CN207048723U (en) * | 2017-07-10 | 2018-02-27 | 山东胜利石油装备产业技术研究院 | A kind of new solvable bridging plug |
| CN109236230A (en) * | 2018-11-28 | 2019-01-18 | 中国石油集团渤海钻探工程有限公司 | A kind of magnesium-base metal dissolvable bridge plug |
| CN109267964A (en) * | 2018-08-31 | 2019-01-25 | 西安威尔格德能源技术有限公司 | A kind of metal variable diameter sealed soluble press-fracturing bridge plug |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8991485B2 (en) * | 2010-11-23 | 2015-03-31 | Wireline Solutions, Llc | Non-metallic slip assembly and related methods |
| CA2886988C (en) * | 2014-04-02 | 2017-08-29 | Magnum Oil Tools International, Ltd. | Dissolvable aluminum downhole plug |
-
2019
- 2019-02-01 CN CN201910105740.4A patent/CN109577910B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484699A (en) * | 2015-12-07 | 2016-04-13 | 中国石油天然气股份有限公司 | Drilling and milling-free bridge plug for fracturing |
| CN106437615A (en) * | 2016-11-08 | 2017-02-22 | 天津市通盈石油技术开发有限公司 | Soluble bridge plug |
| CN207048723U (en) * | 2017-07-10 | 2018-02-27 | 山东胜利石油装备产业技术研究院 | A kind of new solvable bridging plug |
| CN109267964A (en) * | 2018-08-31 | 2019-01-25 | 西安威尔格德能源技术有限公司 | A kind of metal variable diameter sealed soluble press-fracturing bridge plug |
| CN109236230A (en) * | 2018-11-28 | 2019-01-18 | 中国石油集团渤海钻探工程有限公司 | A kind of magnesium-base metal dissolvable bridge plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109577910A (en) | 2019-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109577910B (en) | All-metal fracturing soluble bridge plug | |
| US20210140266A1 (en) | Hard-sealing soluble bridge plug | |
| US5024270A (en) | Well sealing device | |
| US3706342A (en) | Packer for wells | |
| US2714932A (en) | Bridging plug | |
| US11136854B2 (en) | Downhole tool with sealing ring | |
| US20040216868A1 (en) | Self-set bridge plug | |
| US10914132B1 (en) | Large-diameter soluble bridge plug | |
| CN112855074B (en) | Mechanical temporary bridge plug | |
| CN111894512A (en) | Liner hanger assembly and top mechanical expansion type packer thereof | |
| CN110513074A (en) | Dissolvable bridge plug | |
| US20160265304A1 (en) | Anchor Structure and Downhole Plugging Apparatus | |
| CN214532895U (en) | Sealing assembly for dissolvable bridge plug and dissolvable bridge plug | |
| US20150191992A1 (en) | Mandrel for Re-pressurization and Downhole Plugging Apparatus | |
| CN213574009U (en) | Bridge plug anchoring structure and bridge plug | |
| CN111911107B (en) | Extrusion type slip hanger | |
| CN208777952U (en) | Easily bore bridge plug | |
| US11053748B2 (en) | Expandable connection with metal-to-metal seal | |
| CN214616453U (en) | Multi-sealing soluble bridge plug | |
| CN112523721B (en) | Sealing assembly for dissolvable bridge plug, dissolvable bridge plug and sealing method for gap | |
| CN105464617B (en) | Expanding open hole packer | |
| CN219888009U (en) | Sealing core | |
| US4921259A (en) | Packoff seal with dual member engaging means | |
| US20220195830A1 (en) | Sealing assembly for dissolvable bridge plug, a dissolvable bridge plug and a sealing method for gap | |
| CN212389306U (en) | Liner hanger assembly and top mechanical expansion type packer thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210428 Address after: No. 809, Science Park, Southwest Petroleum University, No. 8, Xindu Avenue, Xindu District, Chengdu, Sichuan 610500 Applicant after: CHENGDU TONGTU TECHNOLOGY Co.,Ltd. Applicant after: JIANGSU HAIQI INDUSTRIAL Co.,Ltd. Applicant after: KINGLY OIL TOOLS MAN & SERVICE Co.,Ltd. Address before: Room 1201, Juchuan International Building, Tanggu Xiangluowan, Tianjin Binhai New Area, 300450 Applicant before: KINGLY OIL TOOLS MAN & SERVICE Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |