CN211648241U - Sand-flushing type large-drift-diameter top filling tool - Google Patents
Sand-flushing type large-drift-diameter top filling tool Download PDFInfo
- Publication number
- CN211648241U CN211648241U CN201922484739.5U CN201922484739U CN211648241U CN 211648241 U CN211648241 U CN 211648241U CN 201922484739 U CN201922484739 U CN 201922484739U CN 211648241 U CN211648241 U CN 211648241U
- Authority
- CN
- China
- Prior art keywords
- sand
- diameter sleeve
- flushing
- joint
- inner diameter
- 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
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a sand-flushing type large-drift-diameter top filling tool, which comprises an outer diameter sleeve, an inner diameter sleeve, an upper sand flushing joint and a lower sand flushing joint; the inner diameter sleeve and the outer diameter sleeve are fixed into a whole by clamping the clamping bulge and the limiting ring; the double sleeves sleeved inside and outside increase the filling space, so that the filling space can be more suitable for the filling requirement of a large drift diameter; when the inner diameter sleeve extends out of the outer diameter sleeve, the clamping bulge is separated from the limiting ring under the action of tensile force, and the elastic clamping shaft is contacted with the limiting notch, the inner diameter sleeve is fixed on the outer diameter sleeve again; when filling work is needed, the upper sand flushing joint and the lower sand flushing joint are lowered from a wellhead, when the upper layer is needed to be filled, the upper sand flushing joint is ejected out through the pushing piston to expose the sand flushing through hole, the sealing assembly is arranged on the outer side of the bidirectional fluid director, hydraulic pressure is led into the lower sand flushing joint through the bidirectional fluid director, so that the lower sand flushing joint is exposed out of the sand flushing through hole, and the sand flushing efficiency is improved.
Description
Technical Field
The utility model relates to an equipment technical field in the pit specifically is a big latus rectum top of formula of can washing sand fills instrument.
Background
The sand control tool is used in well to fill sand and gravel between well wall and casing annulus to prevent collapse of well wall and thus to reduce production. The existing filling tools are mostly used in horizontal wells, the filling tools in vertical wells are filled from bottom to top, gravel filled later needs to be jacked up at the bottom of the well, the gravitational potential energy of the gravel filled before must be overcome, and great difficulty is caused to filling work. And the common filling tool has simple and reliable structure, but the filling channel is small, and the large-displacement sand washing can not be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but big latus rectum top of sand washing formula fills instrument to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a sand-flushing type large-drift-diameter top filling tool comprises an outer diameter sleeve, an inner diameter sleeve, an upper sand flushing joint and a lower sand flushing joint; the inner side of the outer diameter sleeve is provided with a sliding groove, the bottom of the sliding groove is provided with a stop ring, the stop ring is provided with an inner diameter sleeve, and the inner diameter sleeve is movably arranged in the sliding groove; the top end of the inner diameter sleeve is provided with a limit ring, and the top end of the outer diameter sleeve is provided with a clamping bulge corresponding to the limit ring; a sand-flushing joint is arranged in the inner diameter sleeve, and a sand-flushing through hole communicated with the inner cavity is formed in the outer surface of the sand-flushing joint; a buffer cavity is arranged below the upper sand flushing connector, a pushing piston is arranged in the buffer cavity, one end of the pushing piston is connected to the upper sand flushing connector, a bidirectional fluid director is connected below the pushing piston, a lower sand flushing connector is connected below the bidirectional fluid director, and the lower sand flushing connector is movably arranged in the outer diameter sleeve.
Preferably, the side surface of the inner diameter sleeve is provided with a limiting notch, and the inner side of the clamping protrusion is provided with an elastic clamping shaft corresponding to the limiting notch.
Preferably, a connecting fulcrum shaft is arranged on the outer side of the limiting ring, the connecting fulcrum shaft is parallel to the outer side of the outer diameter sleeve, and a propelling snap ring is arranged at the bottom end of the connecting fulcrum shaft.
Preferably, the lower sand-flushing joint is also provided with a corresponding sand-flushing through hole, and the diameter of the lower sand-flushing joint is larger than that of the upper sand-flushing joint.
Preferably, a piston cavity is arranged in the propelling piston, and two ends of the piston cavity are connected with the upper sand blasting connector and the two-way flow guider.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure, strong practicability and simple and convenient operation; the inner diameter sleeve and the outer diameter sleeve are fixed into a whole by clamping the clamping bulge and the limiting ring; the double sleeves sleeved inside and outside increase the filling space, so that the filling space can be more suitable for the filling requirement of a large drift diameter; when the inner diameter sleeve extends out of the outer diameter sleeve, the clamping bulge is separated from the limiting ring under the action of tensile force, and the elastic clamping shaft is contacted with the limiting notch, the inner diameter sleeve is fixed on the outer diameter sleeve again; when filling work is needed, the upper sand flushing joint and the lower sand flushing joint are lowered from a wellhead, when the upper layer is needed to be filled, the upper sand flushing joint is ejected out through the pushing piston to expose the sand flushing through hole, the sealing assembly is arranged on the outer side of the bidirectional fluid director, hydraulic pressure is led into the lower sand flushing joint through the bidirectional fluid director, so that the lower sand flushing joint is exposed out of the sand flushing through hole, and the sand flushing efficiency is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. an outer diameter sleeve; 2. a sliding groove; 3. a stop ring; 4. an inner diameter sleeve; 5. a limit ring; 6. clamping the bulges; 7. punching a sand joint; 8. sand washing through holes; 9. a buffer chamber; 10. a pusher piston; 11. a bidirectional fluid director; 12. and (4) punching the sand joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, the present invention provides a technical solution: a sand-flushing type large-drift-diameter top filling tool comprises an outer diameter sleeve 1, an inner diameter sleeve 4, an upper sand flushing joint 7 and a lower sand flushing joint 12; a sliding groove 2 is formed in the inner side of the outer diameter sleeve 1, a stop ring 3 is arranged at the bottom of the sliding groove 2, an inner diameter sleeve 4 is arranged on the stop ring 3, and the inner diameter sleeve 4 is movably arranged in the sliding groove 2; the top end of the inner diameter sleeve 4 is provided with a limit ring 5, and the top end of the outer diameter sleeve 1 is provided with a clamping bulge 6 corresponding to the limit ring 5; an upper sand washing joint 7 is arranged in the inner diameter sleeve 4, and a sand washing through hole 8 communicated with the inner cavity is formed in the outer surface of the upper sand washing joint 7; a buffer cavity 9 is arranged below the upper sand washing joint 7, a propelling piston 10 is arranged in the buffer cavity 9, one end of the propelling piston 10 is connected to the upper sand washing joint 7, a bidirectional fluid director 11 is connected below the propelling piston 10, a lower sand washing joint 12 is connected below the bidirectional fluid director 11, and the lower sand washing joint 12 is movably arranged in the outer diameter sleeve 1.
Furthermore, the side of the inner diameter sleeve 4 is provided with a limit notch, and the inner side of the clamping protrusion 6 is provided with an elastic clamping shaft corresponding to the limit notch.
Furthermore, a connecting fulcrum shaft is arranged on the outer side of the limiting ring 5, the connecting fulcrum shaft is parallel to the outer side of the outer diameter sleeve 1, and a propelling snap ring is arranged at the bottom end of the connecting fulcrum shaft.
Furthermore, the lower sand-washing joint 12 is also provided with a corresponding sand-washing through hole 8, and the diameter of the lower sand-washing joint 12 is larger than that of the upper sand-washing joint 7.
Furthermore, a piston cavity is arranged in the propelling piston 10, and two ends of the piston cavity are connected with the upper sand-flushing connector 7 and the bidirectional fluid director 11.
The working principle is as follows: the inner side of the outer diameter sleeve 1 is provided with a sliding groove 2, the bottom of the sliding groove 2 is provided with a stop ring 3, the stop ring 3 is provided with an inner diameter sleeve 4, and the inner diameter sleeve 4 is movably arranged in the sliding groove 2; the top end of the inner diameter sleeve 4 is provided with a limit ring 5, and the top end of the outer diameter sleeve 1 is provided with a clamping bulge 6 corresponding to the limit ring 5; the inner diameter sleeve 4 and the outer diameter sleeve 1 are fixed into a whole by clamping the clamping bulge 6 with the limiting ring 5; the double sleeves sleeved inside and outside increase the filling space, so that the filling space can be more suitable for the filling requirement of a large drift diameter; the side surface of the inner diameter sleeve 4 is provided with a limiting notch, the inner side of the clamping bulge 6 is provided with an elastic clamping shaft corresponding to the limiting notch, when the inner diameter sleeve 4 extends out of the outer diameter sleeve 1, the clamping bulge 6 is separated from the limiting ring 5 under the action of tensile force, and the elastic clamping shaft is contacted with the limiting notch, the inner diameter sleeve 4 is fixed on the outer diameter sleeve 1 again;
an upper sand washing joint 7 is arranged in the inner diameter sleeve 4, and a sand washing through hole 8 communicated with the inner cavity is formed in the outer surface of the upper sand washing joint 7; the sand washing device is characterized in that a buffer cavity 9 is arranged below the upper sand washing connector 7, a pushing piston 10 is arranged in the buffer cavity 9, one end of the pushing piston 10 is connected to the upper sand washing connector 7, a bidirectional fluid director 11 is connected below the pushing piston 10, a lower sand washing connector 12 is connected below the bidirectional fluid director 11, the lower sand washing connector 12 is movably installed in the outer diameter casing 1, when filling work is needed, the upper sand washing connector 7 and the lower sand washing connector 12 are inserted from a well mouth, when upper layers need to be filled, the upper sand washing connector 7 is ejected out through the pushing piston 10, a sand washing through hole 8 is exposed, a sealing assembly is arranged on the outer side of the bidirectional fluid director 11, hydraulic pressure is led into the lower sand washing connector 12 through the bidirectional fluid director 11, the lower sand washing connector 12 is made to be exposed out of the sand washing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a big latus rectum top of formula of can washing sand fills instrument which characterized in that: comprises an outer diameter sleeve (1), an inner diameter sleeve (4), an upper sand-flushing joint (7) and a lower sand-flushing joint (12); a sliding groove (2) is formed in the inner side of the outer diameter sleeve (1), a stop ring (3) is arranged at the bottom of the sliding groove (2), an inner diameter sleeve (4) is arranged on the stop ring (3), and the inner diameter sleeve (4) is movably arranged in the sliding groove (2); the top end of the inner diameter sleeve (4) is provided with a limit ring (5), and the top end of the outer diameter sleeve (1) is provided with a clamping bulge (6) corresponding to the limit ring (5); a sand-flushing joint (7) is arranged in the inner diameter sleeve (4), and a sand-flushing through hole (8) communicated with the inner cavity is formed in the outer surface of the sand-flushing joint (7); a buffer cavity (9) is arranged below the upper sand washing connector (7), a pushing piston (10) is arranged in the buffer cavity (9), one end of the pushing piston (10) is connected to the upper sand washing connector (7), a bidirectional fluid director (11) is connected below the pushing piston (10), a lower sand washing connector (12) is connected below the bidirectional fluid director (11), and the lower sand washing connector (12) is movably installed in the outer diameter sleeve (1).
2. The large-drift-diameter top-filling tool capable of washing sand according to claim 1, wherein: the side of the inner diameter sleeve (4) is provided with a limiting notch, and the inner side of the clamping protrusion (6) is provided with an elastic clamping shaft corresponding to the limiting notch.
3. The large-drift-diameter top-filling tool capable of washing sand according to claim 1, wherein: and a connecting fulcrum shaft is arranged on the outer side of the limiting ring (5), the connecting fulcrum shaft is parallel to the outer side of the outer diameter sleeve (1), and a propelling snap ring is arranged at the bottom end of the connecting fulcrum shaft.
4. The large-drift-diameter top-filling tool capable of washing sand according to claim 1, wherein: the lower sand flushing joint (12) is also provided with a corresponding sand flushing through hole (8), and the diameter of the lower sand flushing joint (12) is larger than that of the upper sand flushing joint (7).
5. The large-drift-diameter top-filling tool capable of washing sand according to claim 1, wherein: a piston cavity is arranged in the propelling piston (10), and two ends of the piston cavity are connected with the upper sand-flushing connector (7) and the bidirectional fluid director (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484739.5U CN211648241U (en) | 2019-12-30 | 2019-12-30 | Sand-flushing type large-drift-diameter top filling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484739.5U CN211648241U (en) | 2019-12-30 | 2019-12-30 | Sand-flushing type large-drift-diameter top filling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211648241U true CN211648241U (en) | 2020-10-09 |
Family
ID=72702405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922484739.5U Expired - Fee Related CN211648241U (en) | 2019-12-30 | 2019-12-30 | Sand-flushing type large-drift-diameter top filling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211648241U (en) |
-
2019
- 2019-12-30 CN CN201922484739.5U patent/CN211648241U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104563938A (en) | Continuous shocking tool | |
| CN104213868A (en) | Desirable and drillable anchor packer | |
| CN109236189A (en) | A kind of downhole drill reamer | |
| CN111535784B (en) | Negative pressure suction and gas lift combined action pump and operation method thereof | |
| CN110761735A (en) | Ball-carrying type dissolvable bridge plug | |
| CN116971746A (en) | Floating hoop with sealing failure prevention function for well cementation | |
| CN207813539U (en) | Hydraulic anchoring device | |
| CN111395989A (en) | Core-pulling-free large-channel high-temperature high-pressure fracturing expansion type rubber cylinder packing tool | |
| CN211648241U (en) | Sand-flushing type large-drift-diameter top filling tool | |
| CN211312586U (en) | Barrel type seabed wellhead stabilizing base structure | |
| CN202914019U (en) | Packer seat sealing mechanism for coiled tubing | |
| CN210509126U (en) | Screen pipe structure capable of floating and running in oil and gas well | |
| CN202300216U (en) | Connecting device for deblocking down-hole string | |
| CN209179726U (en) | One kind can sand washing bridge plug | |
| CN101338658A (en) | Hermetic electric submersible pump production completion system capable of proceeding steel wire operation | |
| CN206707629U (en) | Integral joint casing tripping in device | |
| CN211819316U (en) | Horizontal well constant-pressure anchoring forced deblocking dragging fracturing packer | |
| CN212337219U (en) | Differential pressure type oil extraction packer | |
| CN201053314Y (en) | Horizontal well flexible short section | |
| SU1191563A1 (en) | Apparatus for producing a gravel filter | |
| CN213578178U (en) | Be used for middle and deep geothermal well to adopt to irritate device with well | |
| CN202544815U (en) | Exhaust string for deep-drawing process well | |
| CN211342875U (en) | Intelligent hydraulic drive sliding sleeve | |
| CN211448591U (en) | Shale gas well wellhead assembly based on operation is pressed in area | |
| CN202338278U (en) | Oil pipe uniflow apparatus for horizontal well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 Termination date: 20211230 |