CN219472061U - Large-size hanger suitable for deep water tubing hanger protection - Google Patents
Large-size hanger suitable for deep water tubing hanger protection Download PDFInfo
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- CN219472061U CN219472061U CN202223430579.4U CN202223430579U CN219472061U CN 219472061 U CN219472061 U CN 219472061U CN 202223430579 U CN202223430579 U CN 202223430579U CN 219472061 U CN219472061 U CN 219472061U
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- hanger
- hanger body
- running tool
- deep water
- protection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
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Abstract
The utility model discloses a large-size hanger suitable for protecting a deepwater tubing hanger, which comprises a hanger body, wherein the hanger body is a circular columnar body, a running tool placing cavity is formed in the hanger body, the running tool placing cavity is a circular columnar body, the hanger body and the running tool placing cavity are coaxial, a connecting plate is arranged at the top of the hanger body, and a top ring is arranged at the top of the connecting plate. The lower part of the hanger body can be connected with a chamfer oil pipe and a guide shoe to form an inner protection pipe column, the upper part of the hanger body is connected with a drill rod and a feeding tool, the lower part of the hanger body passes through the oil pipe hanger, the hanger is hung on a lower ram blowout preventer, and the hanger is lifted out of the lower ram blowout preventer to be fed into a drilling tool by throwing balls to press hands. The inner protection pipe column composed of the hanger body, the chamfer oil pipe and the guide shoe can effectively reduce the collision and abrasion of the tool pipe string which is put in at the later stage to the key sealing end face of the oil pipe hanger. Meanwhile, in construction operation, the drill rod is used for feeding, the influence of weather sea condition factors is small, and the control of aging and risks is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of deep water oil field development engineering, and particularly relates to a large-size hanger suitable for deep water tubing hanger protection.
Background
In offshore oil development and production facilities, subsea trees are one of the essential key devices. The underwater Christmas tree mainly comprises a tree body, an oil pipe hanger, a wet electric connector, a top plug, a Christmas tree cap, an external oil pipeline, a control system SCM, an ROV control panel and the like. The tubing hanger is an important component for realizing connection of an underwater Christmas tree and a downhole production pipeline, and has the main functions of hanging a production string, sealing an annular space between the production string and an oil layer casing string, providing a channel for producing well fluid and the like. Meanwhile, in order to meet the requirements of regulation and control production and ensure safety and smooth flow of crude oil, a control channel of an underground safety valve and an injection channel of chemical reagent are also arranged in the tubing hanger. Therefore, in the later completion operation, the sealing surface of the tubing hanger needs to be strictly protected, key sealing parts cannot be knocked and worn, and otherwise, the sealing effect cannot be achieved. The tool pipe string is extremely easy to collide at the tubing hanger due to the influence of heave and sea waves in the process of being put into the tubing hanger through the characteristics of severe sea conditions and the semi-submersible platform, and once the key sealing surface is damaged, the tubing hanger cannot be sealed, so that operation reworking is caused, and ageing cost is influenced.
During construction, the normal procedure is to lower the tubular column, install lifting frame and steel wire lifting pipe and other well equipment, run the steel wire into the matched tubing hanger protecting sleeve, and then complete the well operation. The operation time required by the conventional procedure is longer, the requirements on weather and sea conditions are higher, and the operations such as pipe column sitting under a semi-submersible platform, lifting frame installation, steel wire lifting pipe and the like all have larger risks in severe weather with high wind and high waves. In addition, the matched tubing hanger protective sleeve is large in size, a certain challenge is brought to the steel wire throwing and fishing operation, and meanwhile, if a shaft is not clean, the tubing hanger protective sleeve is at risk of being unable to be put into place.
Disclosure of Invention
The utility model aims to solve the problem of providing the large-size hanger which is suitable for protecting the deep water tubing hanger, has the advantages that the lower part of the hanger can be connected with the chamfer tubing and the guide shoes to form an inner protection tubing string, the collision and abrasion of the key sealing end face of the tubing hanger are reduced, and the upper part of the hanger is connected with the drill rod and the feeding tool, so that the hanger is less influenced by weather sea conditions, has strong timeliness and low risk.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a jumbo size hanger suitable for deep water tubing hanger protection, includes the hanger body, the hanger body is circular column body, the inside running tool that is equipped with of hanger body places the chamber, running tool places the chamber and is circular column body, the hanger body with running tool places the chamber coaxial, running tool places the chamber and connects drilling rod and running tool, hanger body top is equipped with the connecting plate, the connecting plate top is equipped with the top ring.
Further, a connecting port is formed in the top of the hanger body, the outer diameter of the connecting port is larger than that of the hanger body, the inner diameter of the connecting port is larger than that of the placing cavity of the running tool, and the top of the hanger body is in a bell mouth shape.
Further, a running tool connecting structure is arranged at the joint of the top of the running tool placing cavity and the connecting port, and the running tool connecting structure is connected with the running tool.
Further, the running tool connection structure is an internal thread, an external thread is arranged on the outer cylindrical surface of the running tool, and the internal thread is matched with the external thread.
Furthermore, the outer diameter of the bottom of the hanger body is smaller than the outer diameter of the middle of the hanger body, and the outer surface of the bottom of the hanger body is in a boss shape.
Further, the bottom of the connecting plate is arranged in the connecting port, and the top of the connecting plate is connected with the lower surface of the top ring.
Further, the connecting plates are arranged in a plurality of blocks, and the plurality of blocks of connecting plates are uniformly distributed between the hanger body and the top ring.
Furthermore, both ends of the connecting plate are respectively connected with the top ring and the hanger body in a welding mode.
Further, the top ring is annular sheet-shaped, the central axis of the top ring coincides with the central axis of the hanger body, and the connecting plate is perpendicular to the top ring.
Furthermore, the hanger body, the connecting plate and the top ring are all made of carbon steel.
The utility model has the advantages and positive effects that:
the inner protection pipe column formed by the hanger, the chamfer oil pipe and the guide shoe can effectively reduce the collision and abrasion of the tool pipe string which is put in later on the key sealing end face of the oil pipe hanger. Meanwhile, in construction operation, the drill rod is used for feeding, the influence of weather sea condition factors is small, and the control of aging and risks is greatly improved.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
FIG. 2 is a schematic illustration of an embodiment of the present utility model mated with a blowout preventer.
In the figure:
1. top ring 2, connecting plate 3 and connecting port
4. Running tool connecting structure 5, hanger body 6, and running tool placing cavity
7. A hanger assembly 8, a blowout preventer.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Embodiments of the utility model are further described below with reference to the accompanying drawings:
as shown in fig. 1, a large-size hanger suitable for deep water tubing hanger protection comprises a hanger body 5, wherein the hanger body 5 is a circular columnar body, a running tool placing cavity 6 is formed in the hanger body 5, the running tool placing cavity 6 is a circular columnar body, the hanger body 5 and the running tool placing cavity 6 are coaxial, a connecting plate 2 is arranged at the top of the hanger body 5, and a top ring 1 is arranged at the top of the connecting plate 2.
Specifically, the hanger body 5 top is equipped with connector 3, and connector 3 external diameter is greater than hanger body 5 external diameter, and connector 3 internal diameter is greater than running tool and places chamber 6 internal diameter, and hanger body 5 top is the bell mouth shape, is convenient for the tool string and goes into. Preferably, a running tool connecting structure 4 is arranged at the joint of the top of the running tool placing cavity 6 and the connecting port 3, and the running tool connecting structure 4 is connected with a running tool. Specifically, the running tool connection structure 4 provided in this embodiment is an internal thread, and the external cylindrical surface of the running tool is provided with an external thread, and the internal thread is matched with the external thread. The outer diameter of the bottom of the hanger body 5 is smaller than the outer diameter of the middle of the hanger body 5, the outer surface of the bottom of the hanger body 5 is in a boss shape, and the lower end of the hanger body is an oil pipe screw thread outlet. The hanger body 5 provided in this embodiment is made of carbon steel, and has a smooth surface and wear resistance.
The bottom of the connecting plate 2 provided by the embodiment is arranged in the connecting port 3, and the top of the connecting plate 2 is connected with the lower surface of the top ring 1. The connecting plates 2 are a plurality of, and the plurality of connecting plates 2 are uniformly distributed between the hanger body 5 and the top ring 1. The multiple connecting plates 2 are made of carbon steel, have smooth surfaces, are wear-resistant, are welded on the top ring 1 and the hanger body 5, and play roles in supporting and fixing.
The bottom of the hanger body 5 is provided with spot welding holes, two ends of the connecting plate 2 are respectively connected with the top ring 1 and the hanger body 5 in a welding mode, the top ring 1 is made of carbon steel, the surface is smooth, the wear resistance is realized, and the shape is annular.
Specifically, as shown in fig. 1, the inner diameter of the setting chamber 6 of the running tool provided in this embodiment is 121mm, and the length is 230mm; the inner diameter of the internal threaded hole connected with the running tool is 124mm, and the length is 55mm; the bottoms of the connecting plates 2 are placed into the connecting ports 3, the inner dimension formed between the two connecting plates 2 is 132mm, and the height is 54mm; the inner dimension formed between the middle parts of the two opposite connecting plates 2 is 158mm, and the height is 110mm; the middle part of the connecting plate 2 is connected with the connecting plate 2 in the embedded connecting port 3 in a conical way, and the height is 36mm; the inner dimension formed between the tops of the two opposite connecting plates 2 is 195mm, and the height is 20mm; the top of the connecting plate 2 is connected with the middle of the connecting plate 2 in a conical manner, and the height is 31mm.
The working principle of the utility model is as follows:
as shown in fig. 2, the recovery tool and hanger assembly 7 is hung to the drill floor by a crane, the lower end of the tool is connected with the lower pipe column, the lower pipe column is slowly lowered to 1-2m before the designed depth, the compensator is opened, the lower gate blowout preventer 8 is regulated to control the pressure, the lower gate blowout preventer 8 is closed, the lower pipe string is in place until meeting the resistance of 2-3klbs, the upper lower gate blowout preventer 8 is regulated to control the pressure, the closing completion of the lower gate blowout preventer 8 is confirmed, the drill floor is thrown into balls, the pressure in the pipe column is being pressed until the pressure drops suddenly, the tool is sent out by a hand, the change of the suspended weight is observed by the upper pipe column, the completion of the hand-off is confirmed, and then the lower tool pipe string can be lowered safely.
The utility model has the advantages and positive effects that:
the inner protection pipe column formed by the hanger, the chamfer oil pipe and the guide shoe can effectively reduce the collision and abrasion of the tool pipe string which is put in later on the key sealing end face of the oil pipe hanger. Meanwhile, in construction operation, the drill rod is used for feeding, the influence of weather sea condition factors is small, and the control of aging and risks is greatly improved.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (10)
1. The utility model provides a large-scale hanger suitable for deep water tubing hanger protection which characterized in that: including the hanger body, the hanger body is circular column body, the inside running tool that is equipped with of hanger body places the chamber, the running tool places the chamber and is circular column body, the hanger body with the running tool places the chamber coaxial, running tool places the chamber and connects drilling rod and running tool, hanger body top is equipped with the connecting plate, the connecting plate top is equipped with the top ring.
2. A large hanger suitable for deep water tubing hanger protection as claimed in claim 1 wherein: the hanger is characterized in that a connecting port is arranged at the top of the hanger body, the outer diameter of the connecting port is larger than that of the hanger body, the inner diameter of the connecting port is larger than that of the placing cavity of the running tool, and the top of the hanger body is bell-mouthed.
3. A large hanger adapted for deep water tubing hanger protection as claimed in claim 2 wherein: and a running tool connecting structure is arranged at the joint of the top of the running tool placing cavity and the connecting port and is connected with the running tool.
4. A large hanger adapted for deep water tubing hanger protection as claimed in claim 3 wherein: the running tool connection structure is internal thread, the running tool outer cylindrical surface is provided with external thread, and the internal thread is matched with the external thread.
5. A large hanger according to any of claims 1 to 4 suitable for deep water tubing hanger protection, characterized in that: the outer diameter of the bottom of the hanger body is smaller than the outer diameter of the middle of the hanger body, and the outer surface of the bottom of the hanger body is boss-shaped.
6. A large hanger according to any of claims 2 to 4 suitable for deep water tubing hanger protection, characterized in that: the bottom of the connecting plate is arranged in the connecting port, and the top of the connecting plate is connected with the lower surface of the top ring.
7. A large hanger for deep water tubing hanger protection as claimed in claim 6 wherein: the connecting plates are uniformly distributed between the hanger body and the top ring.
8. A large hanger according to any of claims 1 to 4 suitable for deep water tubing hanger protection, characterized in that: and two ends of the connecting plate are respectively connected with the top ring and the hanger body in a welding mode.
9. A large hanger according to any of claims 1 to 4 suitable for deep water tubing hanger protection, characterized in that: the top ring is annular sheet-shaped, the central axis of the top ring coincides with the central axis of the hanger body, and the connecting plate is perpendicular to the top ring.
10. A large hanger according to any of claims 1 to 4 suitable for deep water tubing hanger protection, characterized in that: the hanger body, the connecting plate and the top ring are all made of carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223430579.4U CN219472061U (en) | 2022-12-21 | 2022-12-21 | Large-size hanger suitable for deep water tubing hanger protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223430579.4U CN219472061U (en) | 2022-12-21 | 2022-12-21 | Large-size hanger suitable for deep water tubing hanger protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219472061U true CN219472061U (en) | 2023-08-04 |
Family
ID=87466866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223430579.4U Active CN219472061U (en) | 2022-12-21 | 2022-12-21 | Large-size hanger suitable for deep water tubing hanger protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219472061U (en) |
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2022
- 2022-12-21 CN CN202223430579.4U patent/CN219472061U/en active Active
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