CN201474670U - Oil layer protector - Google Patents
Oil layer protector Download PDFInfo
- Publication number
- CN201474670U CN201474670U CN2009202259034U CN200920225903U CN201474670U CN 201474670 U CN201474670 U CN 201474670U CN 2009202259034 U CN2009202259034 U CN 2009202259034U CN 200920225903 U CN200920225903 U CN 200920225903U CN 201474670 U CN201474670 U CN 201474670U
- Authority
- CN
- China
- Prior art keywords
- endoporus
- hole
- internal thread
- joint
- external screw
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an oil layer protector, which is used for protecting oil layer in oil field and is composed of an upper joint (1), a leather cup (2), an upper stay pipe (7), a middle joint (11), an outer pipe, a center pipe (13), an isolation joint (14), a valve ball (16), a valve body (18), a spring (19) and a lower joint (20). The upper end of the center pipe (13) is connected with the upper joint (1) and the lower end is connected with the upper end of the isolation joint (14). A baffle plate (15) is embedded in a bore of the isolation joint (14). The valve ball (16), a spring seat (17) and the spring (19) are installed in the valve body (18). The upper end of the lower joint (20) is screwed with the lower end of the valve body (18). The lower end of the outer pipe (12) is screwed with the upper end of the isolation joint (14) and the upper end of the outer pipe is screwed with center joint (11). The leather cups (2, 8), a sealing ring (4), sealing sleeves (6, 9) and adjusting sleeves (7, 10) are sleeved on upper and lower stay pipes (3, 7) from top to bottom. The lower end of the upper stay pipe (3) is screwed with the upper end of the lower stay pipe (7) and the lower end of the lower stay pipe (7) is screwed with the upper end of the center joint (11). The oil layer protector has simple structure and reliable performance.
Description
One, technical field:
The utility model relates to a kind of reservoir protector, is a kind of instrument of the time protection oil reservoir that is used for the oilfield well-flushing.
Two, background technology:
At present, be used to protect the instrument of oil reservoir to have two kinds during the oilfield well-flushing, a kind of is the reservoir protector that does not have oil draining function, because the liquid in oil pipe and the sleeve pipe annular space can't release, on carry leather cup like piston suction, promptly cause environment pollution, cause blowout again easily; Another kind is to have well-flushing, an oil draining function, and draining is to cut off pin by the upper lifting pipe post to realize, but this structure upper lifting pipe post when tubing string is hampered is easily cut off pin and caused tool failures.
Three, summary of the invention:
The purpose of this utility model is: provide a kind of have well-flushing, oil draining function, the reservoir protector of dependable performance.
The utility model is achieved in that the utility model is by top connection, leather cup, last stay tube sealing ring, sealing shroud, regulating sleeve, following stay tube, transition joint, outer tube, central tube, isolating joint, baffle plate, valve ball, spring base, valve body, spring and lower contact are formed, there is an external screw thread cylindrical upper end of isolating joint, endoporus is up-small and down-big shoulder hole, the upper and lower side of shoulder hole all has internal thread, baffle plate is a disc, one group of axial hole is arranged, baffle plate is flush-mounted in the endoporus of isolating joint bottom, the endoporus of valve body is last big, medium and small, following big shoulder hole, on, there is a cone sealing surface to pass through mutually between the middle shoulder hole, dress valve ball in the upper hole, the spring base of packing into successively from top to bottom in the bottom hole, spring, the endoporus of spring base is a through hole, its cylindrical is up-small and down-big stairstepping, the cylindrical of top minor diameter is flush-mounted in the endoporus of valve body minimum, the lower contact endoporus is a through hole, the upper and lower side of its cylindrical all has external screw thread, upper external screw thread is connected with the internal thread of valve body lower end, the endoporus of central tube is a through hole, its cylindrical upper and lower side all has external screw thread, the external screw thread of lower end is connected with the internal thread of isolating joint upper end, the external screw thread of upper end is connected with the internal thread of top connection lower end, there is internal thread the upper end of top connection, there is one group of radial hole at its middle part, the upper and lower side of outer pipe orifice all has internal thread, the internal thread of its lower end is connected with the external screw thread of isolating joint upper end, its upper end internal thread is connected with the external screw thread of transition joint lower end, the endoporus of transition joint is a through hole, there is an internal thread endoporus upper end, the endoporus of following stay tube is a through hole, there is internal thread the endoporus upper end, its cylindrical is up big and down small stairstepping, suit leather cup successively from top to bottom on cylindrical, sealing ring, sealing shroud, regulating sleeve, the external screw thread of lower end is connected with the internal thread of transition joint upper end, the endoporus of last stay tube is a through hole, cylindrical is up big and down small stairstepping, suit leather cup successively from top to bottom on cylindrical, sealing ring, sealing shroud, regulating sleeve, the external screw thread of lower end is connected with the internal thread of following stay tube upper end, connects and composes the upper end by this and opens wide the airtight annular space in lower end.
The utlity model has characteristics such as simple in structure, dependable performance.
Four, description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model.
Among the figure: 1-top connection, 2, the 8-leather cup, the last stay tube of 3-, 4-sealing ring, 5,9-sealing shroud, 6, the 10-regulating sleeve, stay tube under the 7-, 11-transition joint, the 12-outer tube, 13-central tube, 14-isolating joint, the 15-baffle plate, 16-valve ball, 17-spring base, the 18-valve body, 19-spring, 20-lower contact, the 21-radial direction through hole, 22-annular space, 23-axially extending bore
Five, embodiment:
Below in conjunction with accompanying drawing embodiment of the present utility model is further elaborated:
The utility model is by top connection (1), leather cup (2), (8), last stay tube (3), sealing ring (4), sealing shroud (5), (9), regulating sleeve (6), (10), following stay tube (7), transition joint (11), outer tube (12), central tube (13), isolating joint (14), baffle plate (15), valve ball (16), spring base (17), valve body (18), spring (19) and lower contact (20) are formed, there is an external screw thread cylindrical upper end of isolating joint (14), endoporus is up-small and down-big shoulder hole, the upper and lower side of shoulder hole all has internal thread, baffle plate (15) is a disc, one group of axial hole (23) is arranged, baffle plate (15) is flush-mounted in the endoporus of isolating joint (14) bottom, the endoporus of valve body (18) is last big, medium and small, following big shoulder hole, on, there is a cone sealing surface to pass through mutually between the middle shoulder hole, dress valve ball (16) in the upper hole, the spring base (17) of packing into successively from top to bottom in the bottom hole, spring (19), the endoporus of spring base (17) is a through hole, its cylindrical is up-small and down-big stairstepping, the cylindrical of top minor diameter is flush-mounted in the minimum endoporus of valve body (18), lower contact (20) endoporus is a through hole, the upper and lower side of its cylindrical all has external screw thread, upper external screw thread is connected with the internal thread of valve body (18) lower end, the endoporus of central tube (13) is a through hole, its cylindrical upper and lower side all has external screw thread, the external screw thread of lower end is connected with the internal thread of isolating joint (14) upper end, the external screw thread of upper end is connected with the internal thread of top connection (1) lower end, there is internal thread the upper end of top connection (1), there is one group of radial hole (21) at its middle part, the upper and lower side of outer tube (12) endoporus all has internal thread, the internal thread of its lower end is connected with the external screw thread of isolating joint (14) upper end, its upper end internal thread is connected with the external screw thread of transition joint (11) lower end, the endoporus of transition joint (11) is a through hole, there is an internal thread endoporus upper end, the endoporus of following stay tube (7) is a through hole, there is internal thread the endoporus upper end, its cylindrical is up big and down small stairstepping, suit leather cup (8) successively from top to bottom on cylindrical, sealing ring (4), sealing shroud (9), regulating sleeve (10), the external screw thread of lower end is connected with the internal thread of transition joint (11) upper end, the endoporus of last stay tube (3) is a through hole, cylindrical is up big and down small stairstepping, suit leather cup (2) successively from top to bottom on cylindrical, sealing ring (4), sealing shroud (6), regulating sleeve (7), the external screw thread of lower end is connected with the internal thread of following stay tube (7) upper end, connects and composes the upper end by this and opens wide the airtight annular space (22) in lower end.
Claims (2)
1. reservoir protector; by top connection (1); leather cup (2); (8); last stay tube (3); sealing ring (4); sealing shroud (5); (9); regulating sleeve (6); (10); following stay tube (7); transition joint (11); outer tube (12); central tube (13); isolating joint (14); baffle plate (15); valve ball (16); spring base (17); valve body (18); spring (19) and lower contact (20) are formed; it is characterized in that: there is an external screw thread cylindrical upper end of isolating joint (14); endoporus is up-small and down-big shoulder hole; the upper and lower side of shoulder hole all has internal thread; baffle plate (15) is a disc; one group of axial hole (23) is arranged; baffle plate (15) is flush-mounted in the endoporus of isolating joint (14) bottom; the endoporus of valve body (18) is last big; medium and small; following big shoulder hole; on; there is a cone sealing surface to pass through mutually between the middle shoulder hole; dress valve ball (16) in the upper hole; the spring base (17) of packing into successively from top to bottom in the bottom hole; spring (19); lower contact (20) endoporus is a through hole; the upper and lower side of its cylindrical all has external screw thread; upper external screw thread is connected with the internal thread of valve body (18) lower end; the endoporus of central tube (13) is a through hole; its cylindrical upper and lower side all has external screw thread; the external screw thread of lower end is connected with the internal thread of isolating joint (14) upper end; the external screw thread of upper end is connected with the internal thread of top connection (1) lower end; there is internal thread the upper end of top connection (1); there is one group of radial hole (21) at its middle part; the upper and lower side of outer tube (12) endoporus all has internal thread; its lower end internal thread is connected with the external screw thread of isolating joint (14) upper end; its upper end internal thread is connected with the external screw thread of transition joint (11) lower end; the endoporus of transition joint (11) is a through hole; there is an internal thread endoporus upper end; the endoporus of following stay tube (7) is a through hole; there is internal thread the endoporus upper end; its cylindrical is up big and down small stairstepping; suit leather cup (8) successively from top to bottom on cylindrical; sealing ring (4); sealing shroud (9); regulating sleeve (10); the external screw thread of lower end is connected with the internal thread of transition joint (11) upper end; the endoporus of last stay tube (3) is a through hole; cylindrical is up big and down small stairstepping; suit leather cup (2) successively from top to bottom on cylindrical; sealing ring (4); sealing shroud (6); regulating sleeve (7); the external screw thread of lower end is connected with the internal thread of following stay tube (7) upper end, connects and composes the upper end by this and opens wide the airtight annular space (22) in lower end.
2. reservoir protector according to claim 1 is characterized in that: the endoporus of spring base (17) is a through hole, and its cylindrical is up-small and down-big stairstepping, and the cylindrical of top minor diameter is flush-mounted in the minimum endoporus of valve body (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202259034U CN201474670U (en) | 2009-09-02 | 2009-09-02 | Oil layer protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202259034U CN201474670U (en) | 2009-09-02 | 2009-09-02 | Oil layer protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201474670U true CN201474670U (en) | 2010-05-19 |
Family
ID=42410918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202259034U Expired - Fee Related CN201474670U (en) | 2009-09-02 | 2009-09-02 | Oil layer protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201474670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706297A (en) * | 2020-07-30 | 2020-09-25 | 大庆吉庆雨科技开发有限公司 | Self-expanding automatic oil drain device |
-
2009
- 2009-09-02 CN CN2009202259034U patent/CN201474670U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706297A (en) * | 2020-07-30 | 2020-09-25 | 大庆吉庆雨科技开发有限公司 | Self-expanding automatic oil drain device |
| CN111706297B (en) * | 2020-07-30 | 2021-03-26 | 大庆好乐知科技开发有限公司 | Self-expanding automatic oil drain device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20110902 |