CN202325433U - Horizontal well bottom filling tool - Google Patents
Horizontal well bottom filling tool Download PDFInfo
- Publication number
- CN202325433U CN202325433U CN2011203559974U CN201120355997U CN202325433U CN 202325433 U CN202325433 U CN 202325433U CN 2011203559974 U CN2011203559974 U CN 2011203559974U CN 201120355997 U CN201120355997 U CN 201120355997U CN 202325433 U CN202325433 U CN 202325433U
- Authority
- CN
- China
- Prior art keywords
- connector
- horizontal well
- sand
- outer tube
- well bottom
- 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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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a horizontal well bottom filling tool for the sand-proof filling of an oil field. The horizontal well bottom filling tool comprises a main body and a filling server, wherein the main body comprises an oil pipe joint, a connector, a sand return groove, a sealing sleeve, a spring, an outer pipe, an adjusting ring, a guide key, a lengthening sleeve and a signal shear ring; the filling server comprises a washing pipe and a guide rod; the oil pipe joint is connected with the connector; the connector is sequentially connected with the sand return groove and the outer pipe; the upper part of the sealing sleeve is arranged in an inner cavity at the lower end of the connector, and a step at the lower part is arranged in an inner cavity of the outer pipe; the outer pipe and the adjusting ring are sequentially connected with the lengthening sleeve; the spring is arranged in a cavity between the sealing sleeve in the inner cavity of the outer pipe and the lengthening sleeve; the guide key is arranged in a key slot of the lengthening sleeve; and the signal shear ring is arranged in the inner cavity at the lower part of the lengthening sleeve. With a sliding sleeve type structure of a compression spring, the washing pipe orifice spins to be aligned with a sand outlet, and goes downwards in place before signal display; and the horizontal well bottom filling tool disclosed by the utility model has the advantages of accurate positioning and the like, and is convenient to operate and particularly suitable for the sand-proof filling of a horizontal well.
Description
Technical field
The utility model relates to the downhole tool that a kind of oil field sand prevention filling is used, particularly a kind of horizontal well bottom filling instrument.
Background technology
Horizontal well is owing to the particularity of its casing programme, and mainly be presented as: the production oil reservoir is a horizontal distribution, and net horizontal section is longer; Liquid flow direction be vertical current to, the horizontal well sand control always is the horizontal well sand control that the difficult problem in the sand-preventing process, especially viscous crude shake out; Take into account and both improve the sand control success rate; Guarantee the dual purpose of normal steam injection again, the sand control pack instrument that uses at present adopts the rubber seal sealing more, and complex structure and seal damage easily; Do not have signal to show after the filling server puts in place, influenced the effect of horizontal well sand control greatly.
Summary of the invention
The purpose of the utility model provides a kind of horizontal well bottom filling instrument, makes it have washing pipe mouth spin and aligns advantages such as the signal demonstration is arranged after sand export, easy to operate, safe and reliable, descending the putting in place.
The purpose of the utility model is achieved in that it comprises main body and filling server; Main body comprises that oil connection, connector, sand-returning channel, sealing shroud, spring, outer tube, adjustable ring, feather key, lengthening cover, signal cut ring, and the filling server comprises washing pipe and guide rod.Oil connection and connector are threaded, and connector is connected with outer tube with sand-returning channel through screw thread successively, and sand-returning channel top endoporus is the circular arc guide surface; Sealing shroud top is positioned at connector lower end inner chamber body, and the sealing shroud lower step is positioned at outer tube upper end inner chamber body, can slide up and down along the inner chamber body of connector and outer tube behind the sealing shroud compression spring; Outer tube is connected with the lengthening external threading, and adjustable ring is connected with the external threading that extends, and adjustable ring upper surface and outer tube lower surface are close to; In the cavity of spring between outer tube bore body sealing shroud and lengthening cover; Three feather keys are welded in respectively in three keyways that the lengthening cover along the circumferential direction is uniformly distributed with, and lengthening cover lower lumen body is equipped with signal cuts ring, washing pipe and connector three the filling mouths that along the circumferential direction evenly distribute respectively; And, length of spring compressed aligns after putting in place; Washing pipe is threaded with guide rod, guide rod bottom three keyways that along the circumferential direction evenly distribute, and put three feather keys that welded with lengthening and match.
The utility model compared with prior art has the following advantages: adopt the sleeve type structure of compression spring, the spin of washing pipe mouth aligns sand export; The descending back opening signal that puts in place of filling server is cut ring, accurate positioning; Easy to operate, press down or on carry and can open or close the filling mouth, be specially adapted to the horizontal well filling anti-sand.
Description of drawings
Accompanying drawing is the utility model structure chart.
Among the figure: 1-washing pipe, 2-oil connection, 3-connector, 4-sand-returning channel, 5-sealing shroud, 6-spring, 7-outer tube, 8-adjustable ring, 9-feather key, 10-lengthening cover, 11-signal are cut ring, 12-guide rod, 13-washing pipe filling mouth, 14-connector filling mouth, 15-sand-returning channel guide surface, 16-keyway, 17-guiding groove;
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified:
The utility model comprises main body and filling server; Main body comprises that oil connection 2, connector 3, sand-returning channel 4, sealing shroud 5, spring 6, outer tube 7, adjustable ring 8, feather key 9, lengthening cover 10, signal cut ring 11, and the filling server comprises washing pipe 1 and guide rod 12.Oil connection 2 is threaded with connector 3, and connector 3 is connected with outer tube 7 with sand-returning channel 4 through screw thread successively, and sand-returning channel 4 top endoporus are circular arc guide surface 15; Sealing shroud 5 tops are positioned at connector 3 lower end inner chamber body; Sealing shroud 5 lower step are positioned at outer tube 7 upper end inner chamber body, can slide up and down along the inner chamber body of connector 3 and outer tube 7 behind the sealing shroud 5 compression springs 6, and outer tube 7 is threaded with lengthening cover 10; Adjustable ring 8 is threaded with lengthening cover 10; And adjustable ring 8 upper surfaces and outer tube 7 lower surfaces are close to, and in the cavity of spring 6 between outer tube 7 inner chamber body sealing shrouds 5 and lengthening cover 10, three feather keys 9 are welded in respectively in three keyways that lengthening cover 10 along the circumferential direction is uniformly distributed with; Lengthening cover 10 lower lumen bodies are equipped with signal cuts ring 11; Washing pipe 1 and connector 3 three the filling mouths 13,14 that along the circumferential direction evenly distribute respectively, and after spring 6 compressions put in place, align, washing pipe 1 is threaded with guide rod 12; Guide rod 12 bottoms three keyways 16 that along the circumferential direction evenly distribute, and with lengthening cover 10 on three feather keys 9 being welded match.
During use, earlier main part is lowered to design attitude with tubing string, the back that puts in place is lowered to the filling server with oil pipe; Back, filling server descending arrival main body top penetrates along oil connection 2 endoporus, because there is circular arc guiding groove 17 guide rod 12 lower ends, guiding keyway 16 aligns with feather key 9 automatically; Continue descendingly, washing pipe 1 lower surface begins to compress spring 6 when running into sealing shroud 5 upper surfaces, and it is descending to promote sealing shroud 5 simultaneously; When spring 6 compressed fully, washing pipe 1 aligned with the filling mouth of connector 3, can begin packing job; After operation was accomplished, tubing string shed downforce, and spring 6 promotes sealing shroud 5 up automatically reseting; The filling mouth is closed, and proposes the filling server, and packing job is accomplished.
Claims (6)
1. horizontal well bottom filling instrument; Comprise main body and filling server; Main body comprises that oil connection (2), connector (3), sand-returning channel (4), sealing shroud (5), spring (6), outer tube (7), adjustable ring (8), feather key (9), lengthening overlap (10), signal is cut ring (11), and the filling server comprises washing pipe (1) and guide rod (12), it is characterized in that: oil connection (2) and connector (3) are threaded; Connector (3) is connected with outer tube (7) with sand-returning channel (4) through screw thread successively; Sealing shroud (5) top is positioned at connector (3) lower end inner chamber body, and sealing shroud (5) lower step is positioned at outer tube (7) upper end inner chamber body, and outer tube (7) is threaded with lengthening cover (10); Adjustable ring (8) is threaded with lengthening cover (10); And adjustable ring (8) upper surface and outer tube (7) lower surface are close to, and spring (6) is positioned at the cavity between outer tube (7) inner chamber body sealing shroud (5) and the lengthening cover (10), and three feather keys (9) are welded in respectively in three keyways that lengthening cover (10) along the circumferential direction is uniformly distributed with; Lengthening cover (10) lower lumen body is equipped with signal cuts ring (11), and washing pipe (1) is threaded with guide rod (12).
2. horizontal well bottom filling instrument according to claim 1 is characterized in that: guide rod (12) bottom three keyways (16) that along the circumferential direction evenly distribute, and with lengthening cover (10) on three feather keys (9) of being welded match.
3. horizontal well bottom filling instrument according to claim 1 is characterized in that: there is circular arc guiding groove (17) guide rod (12) lower end.
4. horizontal well bottom filling instrument according to claim 1 is characterized in that: can slide up and down along the inner chamber body of connector (3) and outer tube (7) behind sealing shroud (5) the compression spring (6).
5. horizontal well bottom filling instrument according to claim 1 is characterized in that: washing pipe (1) and connector (3) three the filling mouths (13,14) that along the circumferential direction evenly distribute respectively, and after spring (6) compression puts in place, align.
6. horizontal well bottom filling instrument according to claim 1 is characterized in that: sand-returning channel (4) top endoporus is circular arc guide surface (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203559974U CN202325433U (en) | 2011-08-23 | 2011-08-23 | Horizontal well bottom filling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203559974U CN202325433U (en) | 2011-08-23 | 2011-08-23 | Horizontal well bottom filling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202325433U true CN202325433U (en) | 2012-07-11 |
Family
ID=46437415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203559974U Expired - Fee Related CN202325433U (en) | 2011-08-23 | 2011-08-23 | Horizontal well bottom filling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202325433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291255A (en) * | 2013-03-29 | 2013-09-11 | 中国石油天然气股份有限公司 | Packing device for cased hole gravel packing of horizontal well |
-
2011
- 2011-08-23 CN CN2011203559974U patent/CN202325433U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291255A (en) * | 2013-03-29 | 2013-09-11 | 中国石油天然气股份有限公司 | Packing device for cased hole gravel packing of horizontal well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171026 Address after: 257000 Feicheng Road, Dongying District, Shandong, No. 33, No. Patentee after: Dongying Jing Chi new energy technology limited liability company Address before: 257081 Feicheng Road, Shengli Industrial Park, Dongying, Shandong, No. 33, No. Patentee before: DONGYING DONGYING DISTRICT HEGUANG TECHNOLOGY CO., LTD. |
|
| 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: 20120711 Termination date: 20180823 |