CN204476349U - Pre-plugging tubular column with one-time ball-throwing adjustment multi-stage switch - Google Patents
Pre-plugging tubular column with one-time ball-throwing adjustment multi-stage switch Download PDFInfo
- Publication number
- CN204476349U CN204476349U CN201520180814.8U CN201520180814U CN204476349U CN 204476349 U CN204476349 U CN 204476349U CN 201520180814 U CN201520180814 U CN 201520180814U CN 204476349 U CN204476349 U CN 204476349U
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- China
- Prior art keywords
- packer
- tubing string
- main body
- switch
- plugging
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- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000007747 plating Methods 0.000 claims description 24
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 235000016787 Piper methysticum Nutrition 0.000 description 1
- 240000005546 Piper methysticum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- Multiple-Way Valves (AREA)
Abstract
A pre-plugging tubular column with a one-time ball-throwing adjustment multi-stage switch. The problem of current tubing string switch multistage shutoff layer operation complicacy is mainly solved. The method is characterized in that: the production line comprises a tubing string, a slip packer (1) is connected to the tubing string, more than 3 packers (3) are connected to the tubing string under the slip packer (1) in series, a sliding sleeve switch (2) is connected to the tubing string on a plugging layer between the slip packer (1) and the packer (3) in series, a sliding sleeve switch (2) is connected to the tubing string on the plugging layer between the packer (3) and the packer (3) in series, a water plugging device (4) is connected to the tubing string on a production layer between the packer (3) and the packer (3) in series, and a chemical plugging type pressure relief switch (5) is connected to the tubing string on the production layer between the tail end packer (3) in series. The one-shot-adjustment multi-stage switch pre-plugging tubular column has the characteristic of simple operation of a switch multi-stage plugging layer.
Description
Technical field
The utility model relates to field of oil field oil extraction tubing string used, especially the pre-plugging tubing string of pitching adjustment multiple-pole switch.
Background technology
In field of oil field oil extraction, in order to separate zone production oil reservoir, enter plugging tubing string under needing the segment distance place below tubing string, realize separate zone production.And existing plugging tubing string exists the problem of the multistage plugged zone complicated operation of switch due to reasons in structure, be unfavorable for taping the latent power further crude output.
Summary of the invention
In order to solve the problem of the multistage plugged zone complicated operation of existing tubing string switch.The utility model provides a kind of pitching adjustment multiple-pole switch pre-plugging tubing string.The pre-plugging tubing string of this pitching adjustment multiple-pole switch has the multistage plugged zone of switch feature simple to operate.
The technical solution of the utility model is: the pre-plugging tubing string of this pitching adjustment multiple-pole switch comprises anchor packer, sliding sleeve switch, packer, water block device and electroless Ni-P-C-O plating formula compression relief cock.Tubing string is connected with anchor packer, under anchor packer, tubing string is connected with 3 with upper packer, between anchor packer and packer plugged zone tubing string on be connected with sliding sleeve switch, between packer and packer plugged zone tubing string on be connected with sliding sleeve switch, between packer and packer producing zone tubing string on be connected with water block device, between under end packer producing zone tubing string on be connected with electroless Ni-P-C-O plating formula compression relief cock;
Described sliding sleeve switch comprises roll adjustment nail, outer main body, upper cover, valve seat, sealing shroud and trapping, there is top connection outer main body upper end, lower end is connected with lower contact, roll adjustment nail is placed in the axial eccentric orfice upper end of outer main body wall, outer main body wall is connected with valve seat by pin in axial eccentric orfice lower end, roll adjustment nail lower valve base is equipped with valve ball, the lower outside main body wall of valve seat has and the inlet opening communicated in valve seat, on be placed on outer main body main aperture top, corresponding valve ball and the eccentric hole wall communicated in upper cover and on put fluid hole, up big and down small conical sealing shroud is connected with under upper cover, trap and be connected to outer main body main aperture bottom by pin,
Described electroless Ni-P-C-O plating formula compression relief cock comprises main body, valve ball seat and electroless Ni-P-C-O plating device, there is top connection main body upper end, there is lower contact lower end, sidewall there is axial eccentric orfice, eccentric orfice sidewall there is the inlet opening communicated with outside, eccentric orfice inside wall has the fluid hole communicated with main aperture, eccentric orfice upper end is built-in with electroless Ni-P-C-O plating device, and valve ball seat is placed in main body main aperture bottom.
The utility model has following beneficial effect: the pre-plugging tubing string of this pitching adjustment multiple-pole switch is connected with anchor packer owing to adopting on Kava oil tubing string, under anchor packer, tubing string is connected with 3 with upper packer, between anchor packer and packer plugged zone tubing string on be connected with sliding sleeve switch, between packer and packer plugged zone tubing string on be connected with sliding sleeve switch, between packer and packer producing zone tubing string on be connected with water block device, between under end packer producing zone tubing string on be connected with the structure of electroless Ni-P-C-O plating formula compression relief cock.Collar piping is utilized to suppress, fluid course inside and outside the inner sliding sleeve closing switch making steel ball promote most upper level sliding sleeve switch, expand without internal diameter during external constraint when sliding sleeve is descending, steel ball continues to move down through sliding sleeve, close other sliding sleeves successively to close, achieve the shutoff of target zone.Finally reach the object that the multistage plugged zone of switch is simple to operate.The pre-plugging tubing string of this pitching adjustment multiple-pole switch has the multistage plugged zone of switch feature simple to operate thus.
accompanying drawing illustrates:
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is sliding sleeve switch structural representations in Fig. 1;
Accompanying drawing 3 is electroless Ni-P-C-O plating formula compression relief cock structural representations in Fig. 1.
1-anchor packer in figure, 2-sliding sleeve switch, 3-packer, 4-water block device, 5-electroless Ni-P-C-O plating formula compression relief cock, 6-roll adjustment is followed closely, and the outer main body of 7-, the upper cover of 8-, 9-valve seat, 10-sealing shroud, 11-traps, 12-main body, 13-valve ball seat, 14-electroless Ni-P-C-O plating device.
detailed description of the invention:
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Shown in accompanying drawing, the pre-plugging tubing string of this pitching adjustment multiple-pole switch comprises anchor packer 1, sliding sleeve switch 2, packer 3, water block device 4 and electroless Ni-P-C-O plating formula compression relief cock 5.Anchor packer 1 plays the rapid tubing string of grappling and separates oil reservoir, sliding sleeve switch 2 plays the effect of switch plugging oil reservoir, packer 3 adopts Y341 formula packer, play and separate oil reservoir effect, water block device 4 sets tubing string and oil reservoir liquid enters plugging tubing string internal action, and electroless Ni-P-C-O plating formula compression relief cock 5 plays a part to suppress and sets tubing string.Tubing string is connected with anchor packer 1, anchor packer 1 time tubing string is connected with 3 packers 3, between anchor packer 1 and packer 3 plugged zone tubing string on be connected with sliding sleeve switch 2, between packer 3 and packer 3 plugged zone tubing string on be connected with sliding sleeve switch 2, between packer 3 and packer 3 producing zone tubing string on be connected with water block device 4, between end packer 3 times producing zone tubing string on be connected with electroless Ni-P-C-O plating formula compression relief cock 5.
Described sliding sleeve switch (2) comprises roll adjustment nail 6, outer main body 7, upper cover 8, valve seat 9, sealing shroud 10 and traps 11.There is top connection outer main body 7 upper end, lower end is connected with lower contact, roll adjustment nail 6 is placed in outer main body 7 side-wall shaft in eccentric orfice upper end, outer main body 7 side-wall shaft is connected with valve seat 9 by pin in eccentric orfice lower end, roll adjustment is followed closely on 6 lower valve bases 9 and is equipped with valve ball, valve seat 9 lower outside main body 7 sidewall has and the inlet opening communicated in valve seat 9, upper cover 8 is placed in outer main body 7 main aperture top, corresponding valve ball has fluid hole with on the eccentric hole wall communicated in upper cover 8 and upper cover 8, upper cover is connected with up big and down small conical sealing shroud 10 for 8 times, traps 11 to be connected to outer main body 7 main aperture bottom by pin.
Described electroless Ni-P-C-O plating formula compression relief cock 5 comprises main body 12, valve ball seat 13 and electroless Ni-P-C-O plating device 14.There is top connection main body 12 upper end, there is lower contact lower end, sidewall there is axial eccentric orfice, eccentric orfice sidewall there is the inlet opening communicated with outside, eccentric orfice inside wall there is the fluid hole communicated with main aperture, eccentric orfice upper end is built-in with electroless Ni-P-C-O plating device 14, and electroless Ni-P-C-O plating device 14 has chance water solubility properties, and valve ball seat 13 is placed in main body 12 main aperture bottom.
There is the well of shutoff plan before shutoff, need dynamic tubing string operation, utilize work opportunity by the pre-shutoff G.I.H of this pitching adjustment pre-plugging tubing string of multiple-pole switch, anchor packer 1 and packer set 3 is realized by suppressing, steel ball is thrown in the pre-plugging tubing string of this pitching adjustment multiple-pole switch, steel ball rests on most upper level sliding sleeve switch 2 top, rotates tubing string and realizes tubing string and give up.Electroless Ni-P-C-O plating device 14 in the electroless Ni-P-C-O plating formula compression relief cock 5 of down-hole is met water and is dissolved after 3 days, and electroless Ni-P-C-O plating formula compression relief cock 5 is opened, for moving down of steel ball provides pressure release passage.All switches in the pre-plugging tubing string of this pitching adjustment multiple-pole switch are in open mode, oil reservoir is all exploited, when needs shutoff target zone, suppressed by collar piping, fluid course inside and outside the inner sliding sleeve closing switch making steel ball promote most upper level sliding sleeve switch 2, expand without internal diameter during external constraint when sliding sleeve is descending, steel ball continues to move down through sliding sleeve, close other sliding sleeves successively to close, achieve the shutoff of target zone.
Claims (1)
1. an once pitching adjustment multiple-pole switch pre-plugging tubing string, comprise anchor packer (1), sliding sleeve switch (2), packer (3), water block device (4) and electroless Ni-P-C-O plating formula compression relief cock (5), it is characterized in that: tubing string is connected with anchor packer (1), under anchor packer (1), tubing string is connected with 3 with upper packer (3), between anchor packer (1) and packer (3) plugged zone tubing string on be connected with sliding sleeve switch (2), between packer (3) and packer (3) plugged zone tubing string on be connected with sliding sleeve switch (2), between packer (3) and packer (3) producing zone tubing string on be connected with water block device (4), between under end packer (3) producing zone tubing string on be connected with electroless Ni-P-C-O plating formula compression relief cock (5), described sliding sleeve switch (2) comprises roll adjustment nail (6), outer main body (7), upper cover (8), valve seat (9), sealing shroud (10) and trap (11), there is top connection outer main body (7) upper end, lower end is connected with lower contact, roll adjustment nail (6) is placed in outer main body (7) side-wall shaft in eccentric orfice upper end, outer main body (7) side-wall shaft is connected with valve seat (9) by pin in eccentric orfice lower end, roll adjustment nail (6) lower valve base (9) is equipped with valve ball, valve seat (9) lower outside main body (7) sidewall has and the inlet opening communicated in valve seat (9), upper cover (8) is placed in outer main body (7) main aperture top, corresponding valve ball has fluid hole with on the eccentric hole wall communicated in upper cover (8) and upper cover (8), up big and down small conical sealing shroud (10) is connected with under upper cover (8), trap (11) be connected to outer main body (7) main aperture bottom by pin, described electroless Ni-P-C-O plating formula compression relief cock (5) comprises main body (12), valve ball seat (13) and electroless Ni-P-C-O plating device (14), there is top connection main body (12) upper end, there is lower contact lower end, sidewall there is axial eccentric orfice, eccentric orfice sidewall there is the inlet opening communicated with outside, eccentric orfice inside wall there is the fluid hole communicated with main aperture, eccentric orfice upper end is built-in with electroless Ni-P-C-O plating device (14), and valve ball seat (13) is placed in main body (12) main aperture bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520180814.8U CN204476349U (en) | 2015-03-27 | 2015-03-27 | Pre-plugging tubular column with one-time ball-throwing adjustment multi-stage switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520180814.8U CN204476349U (en) | 2015-03-27 | 2015-03-27 | Pre-plugging tubular column with one-time ball-throwing adjustment multi-stage switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204476349U true CN204476349U (en) | 2015-07-15 |
Family
ID=53632151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520180814.8U Expired - Fee Related CN204476349U (en) | 2015-03-27 | 2015-03-27 | Pre-plugging tubular column with one-time ball-throwing adjustment multi-stage switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204476349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943157A (en) * | 2021-03-05 | 2021-06-11 | 河南易发石油工程技术有限公司 | Ball throwing type leaking stoppage bypass valve for well drilling |
-
2015
- 2015-03-27 CN CN201520180814.8U patent/CN204476349U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943157A (en) * | 2021-03-05 | 2021-06-11 | 河南易发石油工程技术有限公司 | Ball throwing type leaking stoppage bypass valve for well drilling |
| CN112943157B (en) * | 2021-03-05 | 2022-10-14 | 河南易发石油工程技术有限公司 | Ball-throwing type leaking stoppage bypass valve for well drilling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20210327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |