CN201531246U - Multi-functional tool in underground oil pipe - Google Patents
Multi-functional tool in underground oil pipe Download PDFInfo
- Publication number
- CN201531246U CN201531246U CN2009201796677U CN200920179667U CN201531246U CN 201531246 U CN201531246 U CN 201531246U CN 2009201796677 U CN2009201796677 U CN 2009201796677U CN 200920179667 U CN200920179667 U CN 200920179667U CN 201531246 U CN201531246 U CN 201531246U
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- China
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- tile
- fastening mechanism
- ring
- clamping mechanism
- underground
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- Expired - Fee Related
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Abstract
The utility model relates to a multi-functional tool in an underground oil pipe, which comprises a tensile failure mechanism, a clamping mechanism, a sealing mechanism and a replaceable multi-functional component, wherein the clamping mechanism consists of an upper clamping mechanism and a lower clamping mechanism, the upper clamping mechanism and the lower clamping mechanism are relatively arranged, each clamping mechanism comprises a fishing head, a tile carrying ring, an opened ring and a clamping tile, wherein the fishing head is connected on the tile carrying ring, the opened ring is connected with the clamping tile and is arranged outside an outer pipe, the replaceable multi-functional component can be an oil nozzle, a gas nozzle or a check valve, the stability thereof is increased through designing the upper clamping tile mechanism and the lower clamping tile mechanism, and multiple functions of the tool as an underground check valve, an underground throttling oil nozzle and the like can be realized through fishing and replacing the replaceable functional component.
Description
Technical field
The utility model is applied to the oil exploitation industry, and particularly a kind of retrievable type down-hole multi-purpose tool can be used as restriction choke or ball-and-seat and uses.
Background technology
At present, the similar multi-purpose tool in down-hole mainly contains single slips underground throttle device, disclose a kind of underground throttle device as CN2479183, it mainly comprises as lower member: break rod, pin, fishing head, tile-carrying ring, split ring, outer tube, slips, central tube, go up cartridge, pushing ring, lower seal packing element, movable tube, center ejector sleeve, sealing mat, replaceable functional part, inner core, spring, support tube, gland, fixed screw, adjusting nut, adjusting screw(rod).Breaking rod is connected by pin with outer tube, on tile-carrying ring, be connected to fishing head, be connected with slips on the split ring and place the outside of outer tube, central tube is threaded under the outer tube, last cartridge is loaded on the lower end of outer tube, be with pushing ring on the central tube, and be connected with inner core support tube respectively, the lower seal packing element is enclosed within on the pushing ring, in inner core, be followed successively by center ejector sleeve, sealing mat, replaceable functional part, adjusting screw(rod), spring from top to bottom, gland is connected on the outer tube lower end, and fixed screw, adjusting nut are screwed on the adjusting screw(rod), and are fixed by fixed screw.
Above-mentioned restriction choke adopts seat envelope instrument with the subsurface choke G.I.H, because the external diameter of packing element and slips is all less than more than the pipe aperture 4mm, therefore can in oil pipe, freely transfer, transfer that three slips just are attached on the tube inner wall in the process, subsurface choke is down to Feng Weihou, on carry steel wire, cut off the shear pin of Connection Block envelope instrument and subsurface choke.Packing element is out of shape expansion under the spring force effect, its external diameter is increased, the annular space of sealing subsurface choke and oil pipe.After the proposition seat was put instrument, subsurface choke borrowed the expanding force of slips and packing element to hang in the oil pipe.After driving a well, subsurface choke also will continue up 3～5mm in chock pressure difference effect lower center tube cone, and further the jam-packed slips tightens tube inner wall, and packing element further seals.Simultaneously, throttling step-down when OIH gas passes through from the throttling oil nozzle, swelling heat absorption, thus the raising temperature is destroyed the formation of hydrate, reaches to prevent that gas well from freezing stifled purpose.But the resistance to pressure of this restriction choke and fastness are relatively poor.Because the fixed form of down-hole depends primarily on the effect of slips, and single slips often causes great damage to oil pipe, thereby caused the lost of life of underground equipment, influenced production of hydrocarbons and increase cost of production.
Summary of the invention
The purpose of this utility model be exactly for condensate gas well downhole choke and ultradeep well realize dark extracting supplied a kind of retrievable type, simple to operate, cost is low, do not change oil gas well production technology, do not influence the down-hole multi-purpose tool of oil gas well production.Be applicable to and regulate well head and wellbore pressure in the manufacturing process; Prevent that hydrate from generating; The protection stratum prevents the shaft bottom excitement; Be applicable to a well multiple-zone production; Can be used as oil pipe any section blanking plug; Can strengthen the fluid-carrying capability of gas well self; Can be used as ball-and-seat in the oil pipe; Can be used as pumpingh well down-hole pump barrel down to any degree of depth; Can be used as downhole hanger and hang the degree of depth pressure measurement arbitrarily in the oil pipe of retrievable type pressure gauge.
The technical scheme that its technical problem that solves the utility model adopts is that two cover fastening mechanism and replaceable functional parts are set, and this fastening mechanism is made up of last fastening mechanism and following fastening mechanism, up and down fastening mechanism positioned opposite.Each fastening mechanism comprises on fishing head, tile-carrying ring, split ring and slips, the tile-carrying ring and is connected fishing head, connects slips on the split ring and places the outside of outer tube; Replaceable functional part is positioned at the sealing mat bottom and inner core is tightly connected.Replaceable functional part can be oil nozzle, valve, ball-and-seat or other underground work instrument.
Advantage of the present utility model is to increase its stability by the design of last lower slips mechanism, changes replaceable functional part by salvaging, and can realize that it is as multi-functionals such as down-hole ball-and-seat and downhole choke oil nozzles.
Description of drawings
Fig. 1 is a multi-purpose tool structure chart in the utility model down-hole oil tube.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
Multi-purpose tool comprises in the down-hole oil tube of the present utility model:
Break mechanism, it is used for this multi-purpose tool is placed on the position of wanting and excites fastening mechanism by breaking rod (1) and pin (2) is formed;
Fastening mechanism, it is made up of fishing head (3), tile-carrying ring (4), split ring (5) and slips (7), multi-purpose tool is fixed on a certain position in the oil pipe under the advancing of setting;
Sealing mechanism, it is made up of last cartridge (9), pushing ring (10), lower seal packing element (11), and this multi-purpose tool and oil pipe are split into sealing; And
Replaceable functional part (15) is used for realizing carrying out the concrete operation function in down-hole.
Breaking rod (1) is connected by pin (2) with outer tube (6), on tile-carrying ring (4), be connected to fishing head (3), be connected with slips (7) on the split ring (5) and place the outside of outer tube (6), central tube (8) is threaded under the outer tube (6), last cartridge (9) is loaded on the lower end of outer tube (6), be with pushing ring (10) on the central tube (8), and be connected with inner core (16) and support tube (18) respectively, lower seal packing element (11) is enclosed within on the pushing ring (10), in inner core (16), be followed successively by center ejector sleeve (13) from top to bottom, sealing mat (14), replaceable functional part (15), adjusting screw(rod) (22), spring (17), gland (19) is connected on the outer tube lower end, fixed screw (20), adjusting nut (21) is screwed on the adjusting screw(rod) (22), and fixing by fixed screw (20).
Change its replaceable functional part (15) by salvaging, can realize that it is as multi-functionals such as down-hole ball-and-seat and downhole choke oil nozzles.Changing functional part (15) is ball-and-seat or downhole choke oil nozzle; Center-pole aperture 11mm; Withstand voltage: 35MPa.
During work, with a certain position under this instrument lower going-into-well, the upper lifting pipe post, pin is cut off, and slips opens, and seat envelope two packing elements, formation fluid enter after filtering by sand cap, through spraying ground after ball-and-seat or the throttling step-down.
This practical new technology mainly is applicable to gas well or the pumpingh well that strata pressure is higher.Main feature:
This instrument conduct is pump barrel and valve structure down, on last pump barrel, move past the ball-and-seat that pit shaft liquid passes through in the instrument in the journey and flow into oil pipe, in the last pump process that moves down together, because ball-and-seat is closed, fluid is toward the upper reaches, formed the specific pump that to realize that super deep layer is taken out deeply, changed for the deep layer mechanical oil recovery provides a revolutionary instrument with long pump barrel and big pump diameter.
This instrument is as the downhole choke oil nozzle, gas by support tube (18) eyelet, pass the throttling valve of inner core, realize downhole choke, make down-hole high pressure gas carry out step-down, expansion underground, the earth is used as the thermal energy exchange place, fully absorb underground heat, improve gas temperature, make the output of band wet body low pressure.Can regulate well head and wellbore pressure in the manufacturing process; Well head still can ordinary production without heating furnace; Prevent to form in the process pipelines hydrate, freeze; The protection stratum prevents the shaft bottom excitement; Be applicable to a well multiple-zone production; After eyelet is blocked, can be used as oil pipe any section blanking plug; Can strengthen band (row) the liquid ability of gas well self; Gas well is changed into underground throttling by the ground throttling, and ground flow becomes the low pressure gas transmission, and surface choke becomes the down-hole and is provided with, and greatly reduces noise, and residential block periphery gas well takes this technology having very big environment protection significance again.
Claims (4)
1. multi-purpose tool in the down-hole oil tube, it comprises: break mechanism, fastening mechanism, sealing mechanism, an and replaceable multipurpose multifunctional operating system, it is characterized in that: described fastening mechanism is made up of fastening mechanism down and following fastening mechanism, last fastening mechanism and following fastening mechanism positioned opposite, each fastening mechanism comprises on fishing head, tile-carrying ring, split ring and slips, the tile-carrying ring and is connected fishing head, connects slips on the split ring and places the outside of outer tube.
2. multi-purpose tool in the down-hole oil tube as claimed in claim 1 is characterized in that described replaceable functional part is an oil nozzle.
3. multi-purpose tool in the down-hole oil tube as claimed in claim 1 is characterized in that described replaceable functional part is a valve.
4. multi-purpose tool in the down-hole oil tube as claimed in claim 1 is characterized in that described replaceable functional part is a ball-and-seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201796677U CN201531246U (en) | 2009-10-19 | 2009-10-19 | Multi-functional tool in underground oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201796677U CN201531246U (en) | 2009-10-19 | 2009-10-19 | Multi-functional tool in underground oil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201531246U true CN201531246U (en) | 2010-07-21 |
Family
ID=42526650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201796677U Expired - Fee Related CN201531246U (en) | 2009-10-19 | 2009-10-19 | Multi-functional tool in underground oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201531246U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2780534A4 (en) * | 2011-11-17 | 2015-07-29 | Baker Hughes Inc | Reactive choke for automatic wellbore fluid management and methods of using same |
| CN107724982A (en) * | 2017-10-30 | 2018-02-23 | 中国石油化工股份有限公司 | Christmas tree oil nozzle erecting device |
| CN109884135A (en) * | 2019-01-08 | 2019-06-14 | 中国石油大学(北京) | Oil-gas two-phase flow ejector half state characterizing method and device |
-
2009
- 2009-10-19 CN CN2009201796677U patent/CN201531246U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2780534A4 (en) * | 2011-11-17 | 2015-07-29 | Baker Hughes Inc | Reactive choke for automatic wellbore fluid management and methods of using same |
| CN107724982A (en) * | 2017-10-30 | 2018-02-23 | 中国石油化工股份有限公司 | Christmas tree oil nozzle erecting device |
| CN107724982B (en) * | 2017-10-30 | 2020-04-14 | 中国石油化工股份有限公司 | Gas production tree oil nozzle mounting device |
| CN109884135A (en) * | 2019-01-08 | 2019-06-14 | 中国石油大学(北京) | Oil-gas two-phase flow ejector half state characterizing method and device |
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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: 20100721 Termination date: 20141019 |
|
| EXPY | Termination of patent right or utility model |