CN116084876A - High wear-resisting and soluble tieback urceolus horn mouth and sealed face protective sheath - Google Patents
High wear-resisting and soluble tieback urceolus horn mouth and sealed face protective sheath Download PDFInfo
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- CN116084876A CN116084876A CN202310311542.XA CN202310311542A CN116084876A CN 116084876 A CN116084876 A CN 116084876A CN 202310311542 A CN202310311542 A CN 202310311542A CN 116084876 A CN116084876 A CN 116084876A
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- Prior art keywords
- tieback
- outer cylinder
- protective sleeve
- soluble
- wear
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- 230000001681 protective effect Effects 0.000 title claims abstract description 69
- 238000007789 sealing Methods 0.000 claims abstract description 87
- 239000000919 ceramic Substances 0.000 claims abstract description 28
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims abstract description 15
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002253 acid Substances 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- 238000005553 drilling Methods 0.000 description 10
- 238000003801 milling Methods 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 238000013268 sustained release Methods 0.000 description 3
- 239000012730 sustained-release form Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 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
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
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)
- Earth Drilling (AREA)
Abstract
The invention relates to a high wear-resistant and soluble tieback outer cylinder bell mouth and a sealing surface protective sleeve, wherein the shape of the inner surface and the outer surface of the tieback outer cylinder is similar to that of the inner surface of the tieback outer cylinder, and the outer diameter of the tieback outer cylinder is slightly larger than the inner diameter of the tieback outer cylinder and is in interference fit with the tieback outer cylinder; the protective sleeve structurally comprises an aluminum alloy matrix and a high-wear-resistance ceramic layer, wherein the aluminum alloy matrix is an outer layer of the protective sleeve, is close to the inner wall of the tieback tube, and the high-wear-resistance ceramic layer is an inner layer of the protective sleeve. The high wear-resistant and soluble tieback outer cylinder bell mouth and sealing surface protective sleeve are fixed on the tieback outer cylinder inner wall through 4-6 positioning pins uniformly distributed along the tieback outer cylinder inner wall circumference. The high-wear-resistance and soluble tie-back outer cylinder bell mouth and the sealing surface protective sleeve have the characteristics of high surface wear resistance and quick corrosion of a matrix in acid, can protect the sealing surface of the tie-back outer cylinder, ensure that the sealing surface of the tie-back outer cylinder is tightly attached to the sealing ring, and ensure the sealing effect; has the advantages of simple preparation, low cost, easy discharge of dissolved products, and the like.
Description
Technical Field
The invention belongs to the technical field of petroleum downhole tools, and particularly relates to a high-wear-resistance and soluble tieback outer cylinder bell mouth and a sealing surface protective sleeve.
Background
The well cementation technology of deep well casing is generally adopted by adopting a liner-first and then tieback well cementation technology. The tieback cementing tool consists of a tieback outer cylinder and a tieback insertion cylinder. The tieback outer cylinder is composed of a short flare and a sealing surface (as shown in figure 1). Four high-strength sealing elements are arranged outside the tieback insertion cylinder, and the effective sealing surfaces are uniformly distributed within 2.5m from the bottom upwards. The wall thickness of the bell mouth of the tieback outer cylinder of the tail pipe hanger is only 5mm, and the tail pipe hanger is easy to damage in drilling operations such as cement plug drilling, tripping and the like; after the tieback outer cylinder bell mouth is damaged, a common milling cone is generally adopted to clean and mill, the tieback outer cylinder bell mouth is repaired, but the tieback outer cylinder bell mouth is short, the length is only 50mm, and a sealing surface is possibly damaged by milling during cleaning and milling, so that the sealing surface is invalid.
In order to solve the problem that the tieback outer cylinder bell mouth and the sealing surface are damaged and the later sealing is invalid due to the drilling of a drill bit and the clear milling of a milling cone in the deep well casing cementing technology of tieback after a tail pipe, the invention provides a high wear-resistant soluble protective sleeve for protecting the tieback outer cylinder bell mouth and the sealing surface. When the drilling sleeve is used for well cementation operation of a deep well casing with a backing tail pipe, the high-wear-resistance soluble protective sleeve is arranged in the backing outer cylinder, and the horn mouth and the sealing surface of the backing outer cylinder are protected from being damaged during drilling of a drill bit and clear milling of a milling cone by utilizing the characteristics of high ceramic strength and good wear resistance of an inner surface layer. When the tieback insertion tube is required to be inserted and sealed, 5-10% hydrochloric acid solution with the mass percent concentration of corrosion inhibitor is pumped into the tieback outer tube bell mouth and the sealing surface high-wear-resistance soluble protective sleeve, and the hydrochloric acid solution can quickly erode aluminum alloy base materials of the tieback outer tube bell mouth and the sealing surface protective sleeve through cracks formed in the tieback outer tube bell mouth and the sealing surface protective sleeve in the drilling and grinding process, so that the tieback outer tube bell mouth and the sealing surface are exposed, and the tieback insertion tube is inserted to realize the sealing of the tieback insertion tube and the tieback outer tube. The high-wear-resistance and soluble tieback outer cylinder bell mouth and sealing surface protective sleeve provided by the invention has the characteristics of high surface wear resistance and quick corrosion of a matrix in acid, and has a good protective effect on the tieback outer cylinder bell mouth and the sealing surface, so that a sealing ring which is subsequently put in is tightly combined with the tieback outer cylinder sealing surface, and the sealing effect of the sealing ring is ensured; has the advantages of simple preparation, low cost, easy discharge of dissolved products, and the like.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the high-wear-resistance and soluble tieback outer cylinder bell mouth and sealing surface protective sleeve, wherein the inner surface layer of the protective sleeve is high in hardness and good in wear resistance, and the tieback outer cylinder bell mouth and the sealing surface can be protected from being damaged during drilling or milling; the protective sleeve base material can be rapidly eroded in acid liquor, and after the protective effect is finished, the protective sleeve base material can be rapidly dissolved by pumping hydrochloric acid solution added with a slow release agent, so that the tieback outer cylinder bell mouth and the sealing surface are exposed, the sealing ring is tightly attached to the sealing surface, and the sealing effect is ensured.
In order to achieve the above purpose, the present invention is realized by the following technical scheme: the shape of the inner surface and the outer surface of the bell mouth and the sealing surface protective sleeve of the tieback outer cylinder are similar to those of the inner surface of the tieback outer cylinder, the outer diameter of the bell mouth and the sealing surface protective sleeve is slightly larger than the inner diameter of the tieback outer cylinder, and interference fit is realized between the bell mouth and the sealing surface protective sleeve and the inner wall of the tieback outer cylinder; the high-wear-resistance and soluble tieback outer cylinder bell mouth and sealing surface protective sleeve structurally comprises an aluminum alloy matrix and a high-wear-resistance ceramic layer, wherein the aluminum alloy matrix layer is an outer layer of the protective sleeve, is close to the inner wall of the tieback cylinder, and the high-wear-resistance ceramic layer is an inner layer of the protective sleeve.
Further, in order to maintain the original diameter of the tieback outer cylinder assembled with the highly wear-resistant and soluble tieback outer cylinder bell mouth and sealing surface protective sleeve, the inner diameter (d Inner part ) Will be adjusted to d Inner part +2t Protective sleeve ，(t Protective sleeve The wall thickness of the tieback outer cylinder bell mouth and the sealing surface protective sleeve is high wear-resistant and soluble).
Further, to make the assembly highly wear resistant and soluble tiebackThe original wall thickness of the tieback outer cylinder of the outer cylinder bell mouth and the sealing surface protective sleeve is kept to ensure the strength of the tieback outer cylinder, and the outer diameter (d) Outer part ) Will be adjusted to d Outer part +2t Protective sleeve 。
Furthermore, the external diameters of all parts of the bell mouth and the sealing surface protective sleeve of the high wear-resistant and soluble tieback outer cylinder are slightly 0.1mm-0.6mm larger than the internal diameter of the tieback outer cylinder after being adjusted, and interference fit is realized between the tieback outer cylinder and the inner wall of the tieback outer cylinder.
Further, the thickness of the high wear-resistant and soluble tieback outer cylinder bell mouth and sealing surface protective sleeve is 5.0mm-8.0mm.
Further, the horn mouth and the sealing surface protective sleeve of the high-wear-resistance and soluble tieback outer cylinder are fixed on the inner wall of the tieback outer cylinder by adopting 4-6 pins, the 4-6 pins are uniformly distributed along the circumferential direction of the inner wall of the tieback outer cylinder, and the vertical distance from the center of the positioning pin to the topmost end of the tieback outer cylinder is 28-50mm.
Further, the high wear-resistant and soluble tieback outer cylinder bell mouth and sealing surface protective sleeve base material is 2 series, 6 series aluminum alloy or 7 series aluminum alloy.
Further, the high wear resistant ceramic layer may be Al 2 O 3 A ceramic layer, a SiC ceramic layer, a WC ceramic layer, or other high hardness ceramic layer.
Further, the thickness of the high wear-resistant ceramic layer on the inner surfaces of the bell mouth of the tieback outer cylinder and the sealing surface protective sleeve which are high in wear resistance and solubility is 1-3mm.
Furthermore, the inner and outer surfaces of the high wear-resistant ceramic layer are required to be ensured to be smooth and flat, so that friction is reduced as much as possible.
Further, the sustained release agent added in the hydrochloric acid solution with the mass percentage concentration of 5-10% can be an acidification sustained release agent such as a Mannich base sustained release agent, an imidazole Lin Huanshi agent and the like. The addition amount of the slow release agent is usually 1% -3%, so that the effect that the steel inner surfaces of the tieback outer cylinder bell mouth and the sealing surface are hardly corroded when the aluminum alloy matrix in the tieback outer cylinder bell mouth and the sealing surface protective sleeve are highly wear-resistant and soluble is rapidly corroded is realized.
The invention has the beneficial effects that:
aiming at the requirements of the deep well casing cementing operation on the tightness between the tieback outer cylinder and the tieback insertion cylinder and the defects of the prior art, the invention creatively designs a tieback outer cylinder bell mouth and a sealing surface protective sleeve which are high in wear resistance and soluble, well solves the problem that the tieback outer cylinder bell mouth and the sealing surface are damaged due to drilling of a drill bit and milling of a milling cone in the deep well casing cementing technology of tieback after tail pipe is finished, can realize the tight fit of a sealing ring and the tieback outer cylinder sealing surface when the sealing ring is installed, and ensures the sealing effect of the sealing ring; in addition, the high wear-resistant and soluble tieback outer cylinder bell mouth and sealing surface protective sleeve provided by the invention have the advantages of simple preparation, low cost, easiness in discharging dissolved products and the like.
Drawings
Fig. 1 is a schematic partial cross-sectional view of a tieback outer barrel.
Fig. 2 is a cross-sectional view of a bell mouth and sealing surface protective sleeve structure of a high wear-resistant and soluble tieback outer cylinder in an embodiment of the invention.
Fig. 3 is a sectional view of a part of the structure of the bell mouth and the sealing surface protecting jacket of the high wear-resistant and soluble tieback outer cylinder in the embodiment of the invention.
Fig. 4 is a geometric dimension diagram of an oilfield on-site tieback outer barrel according to an embodiment of the present invention.
FIG. 5 is a diagram showing the geometry of the adjusted tieback outer barrel according to embodiments of the present invention.
FIG. 6 is an assembly view of a highly wear resistant and soluble tieback outer barrel flare and a seal face protective sleeve and tieback outer barrel in an embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be emphasized that the specific embodiments described herein are merely illustrative of some, but not all embodiments of the invention, and are not intended to limit the invention.
As shown in FIG. 4, in the embodiment, the original size of the tieback outer cylinder is 2550mm long, the maximum inner diameter of the original bell mouth area of the tieback outer cylinder is 220mm, and the inner diameter of the original sealing surface area of the tieback outer cylinder is 186mm.
As shown in FIG. 2, in the embodiment, the total thickness of the bell mouth of the highly wear-resistant and soluble tieback outer cylinder and the sealing surface protective sleeve is 5.1mm, the shape of the inner surface and the outer surface of the tieback outer cylinder is similar to that of the inner surface of the tieback outer cylinder, and in order to realize the interference fit between the aluminum-based alloy sealing surface protective sleeve matrix 3 and the tieback outer cylinder, the outer diameter of the tieback outer cylinder is 196.2mm.
As shown in fig. 6, the aluminum-based alloy sealing surface protective sleeve base body 3 is in interference fit with the tieback outer cylinder, 4 positioning pins are circumferentially and uniformly distributed on the inner wall which is at a vertical distance of 37.32mm from the topmost end of the tieback outer cylinder, so that the tieback outer cylinder bell mouth and the sealing surface protective sleeve which are highly wear-resistant and soluble are fixed on the tieback outer cylinder inner wall, and the relative displacement between the surface of the protective sleeve and the tieback outer cylinder inner wall is avoided.
In order to ensure that the diameter of the tieback outer cylinder is unchanged after the tieback outer cylinder is additionally provided with a tieback outer cylinder bell mouth and a sealing surface protective sleeve which are high in wear resistance and solubility, the maximum inner diameter of the tieback outer cylinder bell mouth 1 area in the embodiment is adjusted to 230mm, the inner diameter of the tieback outer cylinder original sealing surface 2 area is adjusted to 196mm, and the outer diameter (d) of the tieback outer cylinder Outer part ) Will be adjusted to 240mm as shown in figure 5.
As shown in figures 2 and 3, the structure of the high wear-resistant and soluble tieback outer cylinder bell mouth and sealing surface protective sleeve comprises an aluminum-based alloy matrix 3 and high wear-resistant Al 2 O 3 A ceramic inner surface 4.
As shown in FIG. 2, the aluminum-based alloy matrix 3 adopts seven-series aluminum alloy, and the main components of the seven-series aluminum alloy are aluminum, zinc and magnesium, wherein the zinc content is 5.10% -6.10%, the magnesium content is 2.10% -2.90%, the silicon content is 0.40%, the iron content is 0.50%, the manganese content is 0.30%, the chromium content is 0.18% -0.28%, the titanium content is 0.20%, and the balance is aluminum.
As shown in FIG. 2, the inner surface 4 of the high wear-resistant ceramic is made of Al 2 O 3 The thickness of the inner surface 4 of the ceramic layer is 2mm.
The invention will be further illustrated with reference to specific examples.
As an embodiment of the present invention: the resulting highly wear resistant and soluble tieback outer barrel flare and seal face protective sleeve were assembled on tieback outer barrels as shown in fig. 6.
As shown in FIG. 6, the inner surface 4 of the bell mouth of the tieback outer cylinder and the sealing surface protective sleeve which are high in wear resistance and soluble is high in wear resistance Al 2 O 3 The ceramic can protect the tieback outer cylinder from being damaged by the abrasion of a drill bit or a drill rod; meanwhile, under the friction action of a drill bit or a drill rod, high wear-resistant Al 2 O 3 Ceramic is slowly thinned, and high wear-resistant Al can be adjusted according to specific drilling and grinding working conditions 2 O 3 The thickness of the ceramic ensures that the Al with high wear resistance is high at the end of drilling and grinding 2 O 3 The ceramic is almost entirely worn.
After the protection is finished, pumping acid liquor with the mass percentage concentration of hydrochloric acid added with 1% of Mannich base corrosion inhibitor of 5% into the high-wear-resistance and soluble tieback outer cylinder bell mouth and sealing surface protective sleeve to dissolve the aluminum alloy matrix 3 of the high-wear-resistance and soluble tieback outer cylinder bell mouth and sealing surface protective sleeve, and attaching a small amount of high-wear-resistance Al on the aluminum alloy matrix 3 2 O 3 The ceramic also falls off and enters the shaft, and is discharged along with the flowback liquid, the sealing surface of the tieback outer cylinder is exposed, a sealing ring is arranged, and the sealing ring is tightly attached to the sealing surface of the tieback outer cylinder, so that a good sealing effect is achieved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (4)
1. The high wear-resistant and soluble tieback outer cylinder bell mouth and the sealing surface protective sleeve are characterized in that the shapes of the inner surface and the outer surface of the high wear-resistant and soluble tieback outer cylinder bell mouth and the sealing surface protective sleeve are similar to the inner surface of the tieback outer cylinder, the outer diameter of the high wear-resistant and soluble tieback outer cylinder bell mouth and the inner surface of the sealing surface protective sleeve are slightly larger than the inner diameter of the tieback outer cylinder, and the high wear-resistant and soluble tieback outer cylinder bell mouth and the sealing surface protective sleeve are in interference fit with the tieback outer cylinder; the protective sleeve structurally comprises an aluminum alloy matrix (3) and a high-wear-resistance ceramic layer (4), wherein the aluminum alloy matrix layer (3) is the outer wall of the protective sleeve, is close to the inner wall of the tieback cylinder, and the high-wear-resistance ceramic layer (4) is the inner wall of the protective sleeve; the wall thickness of the high wear-resistant and soluble tieback outer cylinder bell mouth and sealing surface protective sleeve is 5.0-8.0mm; the horn mouth and the sealing surface protective sleeve of the high wear-resistant and soluble tieback outer cylinder are fixed on the inner wall of the tieback outer cylinder by adopting 4-6 pins, the 4-6 pins are uniformly distributed along the circumferential direction of the inner wall of the tieback outer cylinder, and the vertical distance from the center of the positioning pin to the topmost end of the tieback outer cylinder is 28-50mm.
2. The highly wear-resistant and soluble tieback outer cylinder bell mouth and sealing surface protective sleeve as claimed in claim 1, characterized in that the highly wear-resistant ceramic layer (4) of the highly wear-resistant and soluble tieback outer cylinder bell mouth and sealing surface protective sleeve is Al 2 O 3 A ceramic layer, a SiC ceramic layer, a WC ceramic layer, or other high hardness ceramic layer.
3. The highly wear-resistant and soluble tie-back outer cylinder flare and seal face protective sleeve of claim 1, wherein the highly wear-resistant and soluble tie-back outer cylinder flare and seal face protective sleeve base material is 2-series aluminum alloy, 6-series aluminum alloy or 7-series aluminum alloy.
4. The high wear resistant and soluble tie-back outer cylinder flare and seal face protective sleeve according to claim 1, characterized in that the high wear resistant ceramic layer (4) of the high wear resistant and soluble tie-back outer cylinder flare and seal face protective sleeve has a thickness of 1.0-3.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310311542.XA CN116084876B (en) | 2023-03-28 | 2023-03-28 | High wear-resisting and soluble tieback urceolus horn mouth and sealed face protective sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310311542.XA CN116084876B (en) | 2023-03-28 | 2023-03-28 | High wear-resisting and soluble tieback urceolus horn mouth and sealed face protective sheath |
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| Publication Number | Publication Date |
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| CN116084876A true CN116084876A (en) | 2023-05-09 |
| CN116084876B CN116084876B (en) | 2024-06-25 |
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| CN202310311542.XA Active CN116084876B (en) | 2023-03-28 | 2023-03-28 | High wear-resisting and soluble tieback urceolus horn mouth and sealed face protective sheath |
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|---|---|---|---|---|
| US20060042798A1 (en) * | 2004-08-30 | 2006-03-02 | Badalamenti Anthony M | Casing shoes and methods of reverse-circulation cementing of casing |
| CN101906950A (en) * | 2009-06-04 | 2010-12-08 | 中国石化集团胜利石油管理局钻井工艺研究院 | Large-size float shoe for monohole expandable casing |
| CN107620576A (en) * | 2017-10-27 | 2018-01-23 | 山东祺龙海洋石油钢管股份有限公司 | One kind is turned round and cuts buckle and latchplate |
| WO2018070999A1 (en) * | 2016-10-11 | 2018-04-19 | Halliburton Energy Services, Inc. | Dissolvable protector sleeve |
| CN108194025A (en) * | 2017-11-08 | 2018-06-22 | 中国石油天然气股份有限公司 | Oil pipe method under gas well no killing well |
| US20180313347A1 (en) * | 2017-04-28 | 2018-11-01 | Randy C. Tolman | Nested Bellows Pump and Hybrid Downhole Pumping System Employing Same |
| US20180354861A1 (en) * | 2017-03-21 | 2018-12-13 | Component Re-Engineering Company, Inc. | Ceramic Material Assembly For Use In Highly Corrosive Or Erosive Industrial Applications |
| CN213175593U (en) * | 2020-06-12 | 2021-05-11 | 中国石油化工股份有限公司 | Sliding sleeve with soluble structure |
-
2023
- 2023-03-28 CN CN202310311542.XA patent/CN116084876B/en active Active
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| US20060042798A1 (en) * | 2004-08-30 | 2006-03-02 | Badalamenti Anthony M | Casing shoes and methods of reverse-circulation cementing of casing |
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| CN116084876B (en) | 2024-06-25 |
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