CN204827328U - Biliquid moves operation window with adjustable possesses operation space - Google Patents
Biliquid moves operation window with adjustable possesses operation space Download PDFInfo
- Publication number
- CN204827328U CN204827328U CN201520593925.1U CN201520593925U CN204827328U CN 204827328 U CN204827328 U CN 204827328U CN 201520593925 U CN201520593925 U CN 201520593925U CN 204827328 U CN204827328 U CN 204827328U
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- flange
- operation window
- biliquid
- piston
- adjustable
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Abstract
The utility model provides a biliquid moves operation window with adjustable possesses operation space, relates to the oil and natural gas brill and adopts technical field. The utility model provides a traditional operation window of using in continuous tub of operation lower income that can not satisfy great size downhole tool with rise to out an operation, make this operation receive the problem of restriction. A biliquid moves operation window with adjustable possesses operation space, it includes flange, retaining ring, a plurality of regulation hydro -cylinder assembly, main hydraulic cylinder assembly, locking screw and latch segment, it includes head, little hydro -cylinder, valve piston and fixation nut to adjust the hydro -cylinder assembly, main hydraulic cylinder assembly includes main hydraulic cylinder and main piston, main hydraulic cylinder is formed through the fix with screw with the support flange by cylinder body flange. The utility model discloses an operation space is 3-5 times of the regular operation window, and the biggest operation space can reach 1.5 meters, adopts two sets of hydraulic drive system, can adjust the operation window's that surges overall height, and then reaches the connecting length who needs, the very big particularization demand of having enriched on -the -spot drilling technology.
Description
Technical field
The utility model relates to petroleum gas drilling and production technology field, particularly relates to one and possesses the adjustable biliquid of working space and move operation window.
Background technology
Major part gas well enters the exploitation later stage, and along with stratum energy declines, output reduces, in flow string, gas flow rate reduces, cause formation water to be discharged in time, thus occur shaft bottom hydrops and back pressure is caused to payzone, finally cause gas well output to decline to a great extent and even stop production.The process entering small-diameter coiled tubing (speed tubing string) under in existing production tube can reduce fluid flow area, increases rate of flow of fluid, improves the drainage capacity of gas well, gas well can be made to recover blowing and produce.Continuous-tube has unique advantage as flow string, can improve gas well drainage capacity, makes gas well recover blowing and produces; Do not need kill-job during operation, avoid kill-job injury stratum, decrease simultaneously and trip out original tubing string and cause oil pipe to break the risk of the complex accident such as de-.
Operation window is the important component part in continuous tubing string completion system, set with coil tubing unit, continuous-tube well mouth hanger, wellhead tree, continuous-tube preventer and other kit etc. form continuous-tube apparatus for work, carry out the operations such as flow string exhaust gas production.At present, enter under the traditional operation window used can not meet large-size downhole tool and trip out operation in continuous-tube operation, this operation is very limited, therefore developing the adjustable biliquid of a kind of working space, to move operation window necessary.
Utility model content
For solving the problems of the technologies described above, the utility model provides one to be possessed the adjustable biliquid of working space and moves operation window.
The utility model solves the technical scheme that its technical problem adopts: one possesses the adjustable biliquid of working space and moves operation window, and it comprises adpting flange, locating snap ring, multiple adjustment hydraulic cylinder assembly, main fluid cylinder assembly, lock-screw and latch segment; Wherein, described adjustment hydraulic cylinder assembly comprises end socket, small oil tank, valve piston and hold-down nut; Described main fluid cylinder assembly comprises main fluid cylinder and main piston; Described main fluid cylinder is fixedly formed by screw by cylinder body flange and pivot flange; The end socket of multiple adjustment hydraulic cylinder assembly is evenly distributed on adpting flange circumferentially and fix with adpting flange; Described small oil tank is fixed on end socket; Pass pivot flange after described valve piston passes from the top of small oil tank and fixed by hold-down nut and pivot flange; One end of described main piston is set in the cavity between cylinder body flange and pivot flange; The other end and the locating snap ring of described main piston are spirally connected; Described locating snap ring by multiple lock-screw and multiple latch segment with the use of and be locked on adpting flange; Position on the piston area that the side at the top of described pivot flange is positioned at main piston is provided with oiling A mouth; Position under the piston area that the side of the bottom of described pivot flange is positioned at main piston is provided with oiling B mouth; Position on the piston area that the side at the top of the small oil tank of multiple adjustment hydraulic cylinder assembly is positioned at valve piston is connected to oiling C mouth by oil circuit assembly; Position under the piston area that the side of the bottom of the small oil tank of multiple adjustment hydraulic cylinder assembly is positioned at valve piston is connected to oiling D mouth by oil circuit assembly.
The number of described adjustment hydraulic cylinder assembly is three.
Described valve piston is positioned on hold-down nut and is also provided with locking pin.
Described oil circuit assembly comprises many long soft-pipes, two short flexible pipes, and multiple simple and easy threeway composition, and two short flexible pipes are communicated with oiling flange, and described oil circuit assembly is used for multiple adjustment hydraulic cylinder assembly to be communicated as one.
Described oil circuit assembly also comprises fixed head, for fixing oiling flange.
Described main piston and be provided with multiple tracks guide ring and sealing between cylinder body flange and pivot flange; Multiple tracks guide ring and sealing is provided with too between described valve piston and small oil tank.
Described main piston is specially with the hermetically-sealed construction between cylinder body flange and pivot flange: the position that the external diameter of described main piston contacts with pivot flange is provided with two pass exterior seal ring, and is respectively provided with outer guidance tape together in the both sides up and down of two pass exterior seal ring; The position that the internal diameter of described main piston contacts with cylinder body flange is provided with two pass inner seal ring, and the both sides of described inner seal ring are respectively provided with a back-up ring; And be respectively provided with guidance tape together in the both sides up and down of two pass inner seal ring.
Each sealing position of described main piston is provided with copper plate.
The sealing position of described valve piston and the inwall of small oil tank are all provided with the chromium coating with smooth surface.
Operating principle: first will the production tree on the wellhead assembly top of operation be needed to remove, first install hanger threeway flange, installed continuous-tube seal member, hanger wouldn't install slips simultaneously.Installation is surged operation window, the adpting flange of operation window of surging is fixed on hanger threeway flange by stud, nut, by oiling D mouth to injection liquid force feed (recommend controlled pressure not higher than 5Mpa) in adjustment hydraulic cylinder assembly, the operation window overall height that can make to surge is adjusted to the connecting length (determining according to field working conditions) of needs; By the oiling A mouth injection liquid force feed (recommending controlled pressure not higher than 10Mpa) of main fluid cylinder assembly, close operation window of surging; Continuous-tube preventer is connected on cylinder body flange, and successively other continuous-tube equipment is arranged on the upper end of continuous-tube preventer, blanking plug is arranged on continuous-tube end, prevents borehole fluid from entering continuous-tube, after testing pressure of well head is qualified just by injection head by continuous-tube G.I.H.After entering predetermined well depth under continuous-tube, screw hanger jackscrew, utilize continuous-tube seal member to seal the annular pressure of caliber and continuous-tube, utilize blowout joint upper gas emptying; Unscrew the lock-screw of operation window of surging, open latch segment, to the oiling B mouth injection liquid force feed (recommending controlled pressure not higher than 10Mpa) of main fluid cylinder assembly, the main piston of operation window of surging is driven to rise, when rising to range, by a pair symmetrical both sides putting continuous-tube in hanger threeway flange into of slips, utilize the deadweight of continuous-tube to make it sit and be placed on the slip spider of hanger; Remove the equipment of more than operation window of surging, by oiling C mouth to injection liquid force feed in adjustment hydraulic cylinder assembly (recommending controlled pressure not higher than 5Mpa), operation window retraction original height of surging can be made, and remove operation window of surging.Former production tree of pulling down is installed, makes pressure fluid enter in continuous-tube by nitrogen car, the blanking plug of continuous-tube bottom is beaten and comes off, operation of can resuming production.
The beneficial effects of the utility model: one, of the present utility model a kind ofly possess 3 ~ 5 times that working space that the adjustable biliquid of working space moves operation window is routine operation window, maximum operation space can reach 1.5 meters, and adopt two cover fluid power systems, the overall height of operation window of surging can be regulated in working space, and then reach the connecting length of needs, enrich the particularization demand of on-the-spot drilling technology greatly, multiple special operation condition can have been met; Two, one of the present utility model possesses the adjustable biliquid of working space and moves operation window, adopt lock-screw and latch segment with the use of locking device, hydraulic pressure maloperation can be prevented, and under closing well state, can bear borehole pressure and realize positiver sealing; Three, one of the present utility model possesses the adjustable biliquid of working space and moves operation window, main piston and valve piston is provided with multiple tracks guide ring and sealing, can realizes the reliable manipulation of low-pressure; Four, one of the present utility model possesses the adjustable biliquid of working space and moves operation window, can be realized surging the unlatching of operation window and closedown fast, alleviate the workload of field operation personnel, take artificial few, save cost of labor, also improve the safety of operation simultaneously, also improve service efficiency and accelerate field operation progress.
Accompanying drawing explanation
Fig. 1 is that a kind of of embodiment possesses the schematic perspective view that the adjustable biliquid of working space moves operation window;
Fig. 2 is that a kind of of embodiment possesses the generalized section that the adjustable biliquid of working space moves operation window;
Fig. 3 is that a kind of of embodiment possesses the generalized section that the adjustable biliquid of working space moves the hermetically-sealed construction of operation window;
Fig. 4 is that a kind of of embodiment possesses the generalized section that the adjustable biliquid of working space moves operation window and hanger threeway Flange joint part;
Fig. 5 is that a kind of of embodiment possesses the schematic diagram that the adjustable biliquid of working space moves the using state of operation window;
Wherein, 1-adpting flange, 2-locating snap ring, 3-regulates hydraulic cylinder assembly, the main fluid cylinder assembly of 4-, 5-lock-screw, 6-latch segment, 7-hanger threeway flange, 8-continuous-tube preventer, 9-continuous-tube, 31-end socket, 32-small oil tank, 33-valve piston, 34-hold-down nut, 35-locking pin, 36-oil circuit assembly, 41-cylinder body flange, 42-pivot flange, 43-main piston, 71-continuous-tube seal member, 72-slips, 73-hanger jackscrew, 91-blanking plug, 361-long soft-pipe, the simple and easy threeway of 362-, the short flexible pipe of 363-, 364-fixed head, 365-oiling flange, the outer guidance tape of 431-, 432-exterior seal ring, guidance tape in 433-, 434-back-up ring, 435-inner seal ring, A-oiling A mouth, B-oiling B mouth, C-oiling C mouth, D-oiling D mouth.
Detailed description of the invention
In order to deepen, to understanding of the present utility model, to be described in further detail the utility model below in conjunction with drawings and Examples, this embodiment, only for explaining the utility model, not forming protection domain of the present utility model and limiting.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, one possesses the adjustable biliquid of working space and moves operation window, and it comprises adpting flange 1, locating snap ring 2, three regulates hydraulic cylinder assembly 3, main fluid cylinder assembly 4, lock-screw 5 and latch segment 6; Wherein, described adjustment hydraulic cylinder assembly 3 comprises end socket 31, small oil tank 32, valve piston 33 and hold-down nut 34; Described main fluid cylinder assembly 4 comprises main fluid cylinder and main piston 43; Described main fluid cylinder is fixedly formed by screw by cylinder body flange 41 and pivot flange 42; Three regulate the end socket 31 of hydraulic cylinder assemblies 3 to be evenly distributed on adpting flange 1 circumferentially and fix with adpting flange 1; Described small oil tank 32 is fixed on end socket 31; Pass pivot flange 42 after described valve piston 33 passes from the top of small oil tank and fixed by hold-down nut 34 and pivot flange 42; One end of described main piston 43 is set in the cavity between cylinder body flange 41 and pivot flange 42; The other end and the locating snap ring 2 of described main piston 43 are spirally connected; Described locating snap ring 2 by three lock-screws 5 and three latch segments 6 with the use of and be locked on adpting flange 1; Position on the piston area that the side at the top of described pivot flange 42 is positioned at main piston 43 is provided with oiling A mouth; Position under the piston area that the side of the bottom of described pivot flange 42 is positioned at main piston 43 is provided with oiling B mouth; Position on three piston areas regulating the side at the top of the small oil tank 32 of hydraulic cylinder assembly 3 to be positioned at valve piston 33 is connected to oiling C mouth by oil circuit assembly 36; Position under three piston areas regulating the side of the bottom of the small oil tank 32 of hydraulic cylinder assembly 3 to be positioned at valve piston 33 is connected to oiling D mouth by oil circuit assembly 36; Described valve piston 33 is positioned on hold-down nut 34 and is also provided with locking pin 35; Described oil circuit assembly 36 comprises many long soft-pipes 361, two short flexible pipes 363, and multiple simple and easy threeway 362 forms, and two short flexible pipes are communicated with oiling flange 365, and described oil circuit assembly 36 is for being communicated as one multiple adjustment hydraulic cylinder assembly 3; Described oil circuit assembly 36 also comprises fixed head 364, for fixing oiling flange 365; Described main piston 43 and be provided with multiple tracks guide ring and sealing between cylinder body flange 41 and pivot flange 42; Multiple tracks guide ring and sealing is provided with too between described valve piston 33 and small oil tank 32; Described main piston 43 is specially with the hermetically-sealed construction between cylinder body flange 41 and pivot flange 42: the position that the external diameter of described main piston 43 contacts with pivot flange 42 is provided with two pass exterior seal ring 432, and is respectively provided with outer guidance tape 431 together in the both sides up and down of two pass exterior seal ring 432; The position that the internal diameter of described main piston 43 contacts with cylinder body flange 41 is provided with two pass inner seal ring 435, and the both sides of described inner seal ring 435 are respectively provided with a back-up ring 434; And be respectively provided with guidance tape 433 together in the both sides up and down of two pass inner seal ring 435; Each sealing position of described main piston 43 is provided with copper plate; The sealing position of described valve piston 33 and the inwall of small oil tank 32 are all provided with the chromium coating with smooth surface.
The a kind of of the present embodiment possesses the operating principle that the adjustable biliquid of working space moves operation window: as shown in Figures 1 to 5, first will the production tree on the wellhead assembly top of operation be needed to remove, hanger threeway flange 7 is first installed, installed continuous-tube seal member 71, hanger wouldn't install slips 72 simultaneously.Installation is surged operation window, the adpting flange 1 of operation window of surging is fixed on hanger threeway flange 7 by stud, nut, by oiling D mouth to injection liquid force feed (recommend controlled pressure not higher than 5Mpa) in adjustment hydraulic cylinder assembly 3, the operation window overall height that can make to surge is adjusted to the connecting length (determining according to field working conditions) of needs; By the oiling A mouth injection liquid force feed (recommending controlled pressure not higher than 10Mpa) of main fluid cylinder assembly 4, close operation window of surging; Continuous-tube preventer 8 is connected on cylinder body flange 41, and successively other continuous-tube equipment is arranged on the upper end of continuous-tube preventer 8, blanking plug 91 is arranged on continuous-tube 9 end, prevent borehole fluid from entering continuous-tube 9, after testing pressure of well head is qualified just by injection head by continuous-tube 9 G.I.H.After continuous-tube enters predetermined well depth 9 times, screw hanger jackscrew 73, utilize continuous-tube seal member 71 to seal the annular pressure of caliber and continuous-tube 9, utilize blowout joint upper gas emptying; Unscrew the lock-screw 5 of operation window of surging, open latch segment 6, to the oiling B mouth injection liquid force feed (recommending controlled pressure not higher than 10Mpa) of main fluid cylinder assembly 4, the main piston 43 of operation window of surging is driven to rise, when rising to range, a pair slips 72 symmetry is put into the both sides of continuous-tube 9 in hanger threeway flange 7, utilize the deadweight of continuous-tube 9 to make it sit and be placed on the slip spider of hanger; Remove the equipment of more than operation window of surging, by oiling C mouth to injection liquid force feed in adjustment hydraulic cylinder assembly 3 (recommending controlled pressure not higher than 5Mpa), operation window retraction original height of surging can be made, and remove operation window of surging.Former production tree of pulling down is installed, makes pressure fluid enter in continuous-tube 9 by nitrogen car, the blanking plug 91 dozens of continuous-tube bottom is come off, operation of can resuming production.
Above-described embodiment should not limit the utility model by any way, and the technical scheme that the mode that all employings are equal to replacement or equivalency transform obtains all drops in protection domain of the present utility model.
Claims (9)
1. possess the adjustable biliquid of working space and move an operation window, it is characterized in that: it comprises adpting flange, locating snap ring, multiple adjustment hydraulic cylinder assembly, main fluid cylinder assembly, lock-screw and latch segment; Wherein, described adjustment hydraulic cylinder assembly comprises end socket, small oil tank, valve piston and hold-down nut; Described main fluid cylinder assembly comprises main fluid cylinder and main piston; Described main fluid cylinder is fixedly formed by screw by cylinder body flange and pivot flange; The end socket of multiple adjustment hydraulic cylinder assembly is evenly distributed on adpting flange circumferentially and fix with adpting flange; Described small oil tank is fixed on end socket; Pass pivot flange after described valve piston passes from the top of small oil tank and fixed by hold-down nut and pivot flange; One end of described main piston is set in the cavity between cylinder body flange and pivot flange; The other end and the locating snap ring of described main piston are spirally connected; Described locating snap ring by multiple lock-screw and multiple latch segment with the use of and be locked on adpting flange; Position on the piston area that the side at the top of described pivot flange is positioned at main piston is provided with oiling A mouth; Position under the piston area that the side of the bottom of described pivot flange is positioned at main piston is provided with oiling B mouth; Position on the piston area that the side at the top of the small oil tank of multiple adjustment hydraulic cylinder assembly is positioned at valve piston is connected to oiling C mouth by oil circuit assembly; Position under the piston area that the side of the bottom of the small oil tank of multiple adjustment hydraulic cylinder assembly is positioned at valve piston is connected to oiling D mouth by oil circuit assembly.
2. one according to claim 1 possesses the adjustable biliquid of working space and moves operation window, it is characterized in that: the number of described adjustment hydraulic cylinder assembly is three.
3. one according to claim 1 possesses the adjustable biliquid of working space and moves operation window, it is characterized in that: described valve piston is positioned on hold-down nut and is also provided with locking pin.
4. one according to claim 1 possesses the adjustable biliquid of working space and moves operation window, it is characterized in that: described oil circuit assembly comprises many long soft-pipes, two short flexible pipes, and multiple simple and easy threeway composition, two short flexible pipes are communicated with oiling flange, and described oil circuit assembly is used for multiple adjustment hydraulic cylinder assembly to be communicated as one.
5. the one according to claim 1 or 4 possesses the adjustable biliquid of working space and moves operation window, it is characterized in that: described oil circuit assembly also comprises fixed head, for fixing oiling flange.
6. one according to claim 1 possesses the adjustable biliquid of working space and moves operation window, it is characterized in that: described main piston and be provided with multiple tracks guide ring and sealing between cylinder body flange and pivot flange; Multiple tracks guide ring and sealing is provided with too between described valve piston and small oil tank.
7. one according to claim 6 possesses the adjustable biliquid of working space and moves operation window, it is characterized in that: described main piston is specially with the hermetically-sealed construction between cylinder body flange and pivot flange: the position that the external diameter of described main piston contacts with pivot flange is provided with two pass exterior seal ring, and be respectively provided with outer guidance tape together in the both sides up and down of two pass exterior seal ring; The position that the internal diameter of described main piston contacts with cylinder body flange is provided with two pass inner seal ring, and the both sides of described inner seal ring are respectively provided with a back-up ring; And be respectively provided with guidance tape together in the both sides up and down of two pass inner seal ring.
8. the one according to claim 1 or 6 possesses the adjustable biliquid of working space and moves operation window, it is characterized in that: each sealing position of described main piston is provided with copper plate.
9. the one according to claim 1 or 6 possesses the adjustable biliquid of working space and moves operation window, it is characterized in that: the sealing position of described valve piston and the inwall of small oil tank are all provided with the chromium coating with smooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520593925.1U CN204827328U (en) | 2015-08-07 | 2015-08-07 | Biliquid moves operation window with adjustable possesses operation space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520593925.1U CN204827328U (en) | 2015-08-07 | 2015-08-07 | Biliquid moves operation window with adjustable possesses operation space |
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| Publication Number | Publication Date |
|---|---|
| CN204827328U true CN204827328U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520593925.1U Withdrawn - After Issue CN204827328U (en) | 2015-08-07 | 2015-08-07 | Biliquid moves operation window with adjustable possesses operation space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204827328U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064944A (en) * | 2015-08-07 | 2015-11-18 | 苏州道森钻采设备股份有限公司 | Double-hydraulic operation window with adjustable operation space |
| CN116336271A (en) * | 2023-05-26 | 2023-06-27 | 苏州罗克莱堆焊科技有限公司 | Mechanical connecting flange structure of underwater pipeline |
-
2015
- 2015-08-07 CN CN201520593925.1U patent/CN204827328U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064944A (en) * | 2015-08-07 | 2015-11-18 | 苏州道森钻采设备股份有限公司 | Double-hydraulic operation window with adjustable operation space |
| CN105064944B (en) * | 2015-08-07 | 2017-08-25 | 苏州道森钻采设备股份有限公司 | One kind possesses the adjustable biliquid of working space and moves operation window |
| CN116336271A (en) * | 2023-05-26 | 2023-06-27 | 苏州罗克莱堆焊科技有限公司 | Mechanical connecting flange structure of underwater pipeline |
| CN116336271B (en) * | 2023-05-26 | 2023-08-25 | 苏州罗克莱科技有限公司 | Mechanical connecting flange structure of underwater pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151202 Effective date of abandoning: 20170825 |
|
| AV01 | Patent right actively abandoned |