CN206129253U - Horizontal well is annotated and is adopted integrated device - Google Patents
Horizontal well is annotated and is adopted integrated device Download PDFInfo
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- CN206129253U CN206129253U CN201621172420.9U CN201621172420U CN206129253U CN 206129253 U CN206129253 U CN 206129253U CN 201621172420 U CN201621172420 U CN 201621172420U CN 206129253 U CN206129253 U CN 206129253U
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- steam injection
- horizontal well
- oil
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Abstract
The utility model relates to an use oil gas mining devices, especially a horizontal well is annotated and is adopted integrated device. The utility model discloses an integrated device is adopted by a heat insulation oil pipe to notes, thermal -insulated compensator in the pit, the 2nd heat insulation oil pipe, integrated pump is adopted to notes, the 3rd heat insulation oil pipe, the packer, oil pipe and at least one notes vapour oil recovery unit connect gradually and form, through annotating vapour, the design of oil production device integration, realized that a casing string carries out the horizontal well and annotates vapour and production, technology process has not only been simplified, the emergence of down -hole troublesome condition has been avoided, and it can both alleviate the contradiction that the inequality was employed to the horizontal well at notes vapour and production phase.
Description
Technical field
This utility model is related to a kind of oil field oil-gas mining device, and particularly a kind of horizontal well note adopts integrated apparatus.
Background technology
Horizontal well technology be current heavy crude reservoir thermal recovery tap the latent power and Productivity Construction one of major technique, but with viscous crude
Horizontal well is handled up the increasing of round, and is affected by factors such as Reservoir Heterogeneity, net horizontal section flow resistances, makes injection steam edge
High permeability zone is advanced by leaps and bounds, or even forms steam breakthrough, not only causes steam heat to waste, and adds can the degree that employ inequality
Play, finally reduces recovery ratio.
The steam injection occurred during in order to solve the problems, such as horizontal well thermal production is heated inequality, and level is successively occurred in that in recent years
Well Double-pipe gas-injection, multiple spot steam injection, the segmentation technology such as steam injection, alleviate horizontal segment and inhale the uneven contradiction of vapour, but level above well
Steam injection string can cause respectively to go out vapour point steam quality distribution inequality under the influence of horizontal segment flow resistance and Reservoir Heterogeneity,
The heat content ratio of steam distribution is mismatched with steam flow ratio, so as to cause the error in steam heat distribution.With steam not
Disconnected injection, oil reservoir internal temperature field constantly changes, and affects the percolation law of reservoir fluid, in the production phase, using normal
Generally production causes horizontal segment to there is a pressure drop remittance field to the oil well pump of rule, and the high viscosity of viscous crude and condensation in addition is held
Horizontal segment toe-end and heel end flow resistance skewness are easily caused, causes oil reservoir to be employed unbalanced, affect development effectiveness；More than ask
Topic has become urgent problem in thick oil horizontal well thermal recovery technology.
Utility model content
For the above-mentioned technical problem in the presence of prior art, the utility model proposes horizontal well note adopts one makeup
Put.By integrated apparatus of the present utility model, steam injection and oil recovery function can be simultaneously realized in recovery process, and can be realized
Steam injection process respectively goes out the distribution of the mass dryness fractions such as the steam flow of vapour point and oil recovery process horizontal segment equilibrium draining.
To solve above-mentioned technical problem, horizontal well of the present utility model note adopt integrated apparatus by the first insulated tubing, every
Hot down-well compensator, the second insulated tubing, note adopt integrated pump, the 3rd insulated tubing, packer, oil pipe and at least one steam injection
Oil-producing unit is connected in sequence, wherein, the steam injection oil-producing unit by etc. mass dryness fraction distributor connect with balanced drainage device and
Into the upper end of the oil pipe is connected with the packer lower end, and the lower end of the oil pipe is connected with the mass dryness fraction distributor such as described.
Used as a kind of improvement of the present utility model, the integrated apparatus include multiple steam injection oil-producing units, adjacent steam injection
It is connected by inserting sealing between oil-producing unit.
As it is of the present utility model another improvement, the balanced drainage device by top connection, central canal and lower contact according to
Secondary to be formed by connecting, the side wall of the central canal is provided with gate gurgle valve, and the top connection upper end is connected with the mass dryness fraction distributor such as described.
The outer wall of the central canal is arranged with control liquid cover, and the two ends of the control liquid cover are fixed respectively by upper shield with lower shield；
The upper shield is threaded connection fixation with the central canal, and the lower shield fixes fixed with the central canal by pin
Position.Oil leak hole is provided with the control liquid cover.
The gate gurgle valve is ball-and-seat, and in the lower shield lower end, central canal periphery centralizer is arranged with.
The packer is self compensation heat-sensitive packer.
Used as another improvement of the present utility model, the mass dryness fraction distributor such as described is formed by connecting by hoop with steam injection body,
The side of the steam injection body is additionally provided with hollow steam injection arm, and the steam injection chamber body is additionally provided with phase separator in pipe, should
The inner chamber of the steam injection body is separated into two parts inner chamber, a portion inner chamber and the steam injection arm by phase separator in pipe
Intracavity inter-connection, constitute the first steam injection passage, another part inner chamber then constitute the second steam injection lead to.
The steam injection tube cavity is additionally provided with steam injection valve, baffle ring and critical flow nozzle.
The steam injection chamber body is additionally provided with commutator, and the commutator is helical swirl piece.
Compared with prior art, the utility model has the advantage of, by by steam injection, extracting device of oil integration design,
Realizing a set of tubing string carries out horizontal well steam injection and production, not only simplify process, it is to avoid the generation of complex situations, and
And it can alleviate the contradiction that horizontal well employs inequality in steam injection and production phase；Meanwhile, the setting for mass dryness fraction distributor such as pass through
Put, realize each section of steam flow etc. mass dryness fraction distribution, it is ensured that the heat content ratio of steam distribution matches with steam flow ratio；Pass through
The setting of balanced drainage device, is capable of the producing pressure differential of equilibrium level section, realizes the equilibrium producing of horizontal segment oil reservoir, is conducive to water
The improvement of horizontal well development effectiveness and the raising of recovery percent of reserves.
Description of the drawings
Fig. 1 is that horizontal well of the present utility model note adopts integrated apparatus schematic diagram.
Fig. 2 is the sectional view of the mass dryness fraction distributor such as of the present utility model.
Fig. 3 is the A-A sectional views of the mass dryness fraction distributor such as of the present utility model.
Fig. 4 is the B-B sectional views of the mass dryness fraction distributor such as of the present utility model.
Fig. 5 is the 3-D view of the mass dryness fraction distributor commutator such as of the present utility model.
Fig. 6 is the half sectional view of balanced drainage device of the present utility model.
Specific embodiment
Relevant detailed description of the present utility model and technology contents, coordinate description of the drawings as follows, but accompanying drawing only provides ginseng
Examine and purposes of discussion, not for being any limitation as to this utility model.
Fig. 1 is that horizontal well note of the present utility model adopts integrated apparatus schematic diagram.It is heat-insulated that horizontal well note adopts integrated apparatus
Oil pipe 1, heat-insulated down-well compensator 2, the second insulated tubing 3, note adopt integrated pump 4, the 3rd insulated tubing 5, packer 6, oil pipe
12 and steam injection oil-producing unit be connected in sequence, wherein, steam injection oil-producing unit by etc. mass dryness fraction distributor 7 and balanced drainage device 8
Be formed by connecting, the upper end of oil pipe 12 is connected with the lower end of packer 6, the lower end of oil pipe 12 with etc. mass dryness fraction distributor 7 be connected.Adjacent
It is connected by insertion sealing 10 between steam injection oil-producing unit.The sealing drum of the external packer of pipe 9 of insertion sealing 10 and horizontal segment
Docking, sealing drum internal diameter is less than horizontal segment pipe aperture, palette between insertion sealing 10 and sealing drum, so as to by horizontal segment
Stratum is opened by exploitation oil reservoir packing, one exploitation oil reservoir of each steam injection production unit correspondence, realizes interior point of the pipe of horizontal segment oil reservoir
Section sealing.First insulated tubing 1, the second insulated tubing 3, the 3rd insulated tubing 5 are used cooperatively, and can both have been reduced note and adopted one
Change heat loss of the tubing string in steam injection process, insulation effect can be played to Produced Liquid in exploitation process again；Heat-insulated down-hole compensation
In steam injection process, inner tube to outer tube is moved device 2, and outer tube is insulated tubing so that inner tube in the instlated tubular and
Heat loss is avoided in elongation process, while playing thermal compensation effect, it is to avoid the generation of steam injection string thermal stress；Note adopts integrated pump
4 are capable of achieving a tubing string steam injection oil recovery cycles production, and during steam injection operation, plunger passes through steam injection hole in pump state, vapourss are touched
Into pump barrel and outer working tube annular space, under Jing pumps stratum is injected.When turning to take out, above carry plunger and seal steam injection hole, note adopts one
Body pump 4 can normally pump.In a preferred embodiment, packer 6 is self compensation heat-sensitive packer, and self compensation temperature-sensitive is insulated
Device can be raised and gradually swollen envelope with the temperature of steam injection string, and then realize packing sealing.
As shown in Figure 2-5, it is formed by connecting by hoop 701 and steam injection body 708 etc. mass dryness fraction distributor 7, the steam injection body 708
Side be additionally provided with hollow steam injection arm 704, the inner chamber of steam injection body 708 is additionally provided with phase separator 703, the pipe in pipe
The inner chamber of the steam injection body 708 is separated into two parts inner chamber, a portion inner chamber and the steam injection by interior phase separator 703
The intracavity inter-connection of arm 704, constitutes the first steam injection passage, and another part inner chamber then constitutes the second steam injection and leads to, introduces steam into
Next steam injection oil-producing unit.The inner chamber of steam injection arm 704 is additionally provided with steam injection valve 705, baffle ring 706 and critical flow nozzle 707, can
Directly to oil reservoir steam injection.The inner chamber of steam injection body 708 is additionally provided with commutator 702, and the commutator 702 is helical swirl piece, when
During the rectified device 702 of the fluid stream of two-phase mixtures, because the density of out-phase material is variant, suffered centrifugal force is different, due to
Centrifugal action in the range of pipeline center's different distance, forms centrosymmetric eddy flow field in downstream distribution, so as to by two
Phase fluid centrifugation.Two end lines of phase separating device 703 are fitted with the bore seal of steam injection body 708 in pipe；Critical flow sprays
The runner that the inner chamber of mouth 707 is gradually reduced for aperture, the minimum part in aperture is referred to as aditus laryngis, has taper to spread behind aditus laryngis
Face, nozzle can obtain different critical pressure ratios with the difference for expanding diffusingsurface length downstream, when the flow velocity of throat reaches sound
When fast, steam flow is only relevant with upstream pressure and throat aperture, is not affected by horizontal segment reservoir heterogeneity；It is preferred one
Embodiment in, steam injection valve 705 be ball-and-seat, in steam injection process be in opening, be closed in production process.
As shown in fig. 6, balanced drainage device 8 is connected in sequence by top connection 801, central canal 805 and lower contact 809,
The side wall of the central canal 805 is evenly arranged with multiple gate gurgle valves 804, and gate gurgle valve 804 is ball-and-seat, in steam injection process, by note
Steam pressure difference is closed, and opening is in by producing pressure differential in production process.The upper end of top connection 801 with etc. mass dryness fraction match somebody with somebody
Note device 7 is connected.The outer wall of central canal 805 is arranged with control liquid cover 803, and the two ends of the control liquid cover 803 are respectively by upper shield 802 with
Shield 806 is fixed；Upper shield 802 is threaded connection fixation with central canal 805, and lower shield 806 passes through pin with central canal 805
807 stationary positioneds.Multiple oil leak holes 810 are provided with control liquid cover 803.In a further preferred embodiment, under lower shield 806
End, the periphery of central canal 805 are arranged with centralizer 808, prevent the friction of steam injection oil-producing unit and casing wall.
Below by according to Fig. 1-6 come describe using note adopt integrated apparatus carry out steam injection, recover the oil method, it includes following
Step：
Step 1：Assembling, under enter integrated apparatus
First, the oil reservoir number that as needed steam injection is recovered the oil selects the steam injection oil-producing unit of equal number；
Secondly, fixation is attached to steam injection oil-producing unit, is entered by insertion sealing 10 between multiple steam injection oil-producing units
Row connection, the least significant end of steam injection oil-producing unit can be connected with plug 11；
Again, as shown in Figure 1, the first insulated tubing 1, heat-insulated down-well compensator 2, the second insulated tubing 3, note are adopted into one
The steam injection oil-producing unit changed pump 4, the 3rd insulated tubing 5, packer 6, oil pipe 12 and assemble is sequentially connected, so as to steam injection be adopted
Oily integrated apparatus assembling is finished；
Finally, by integrated apparatus G.I.H, sealing paste between insertion sealing 10 and the sealing drum of external packer of pipe 9
Close, so as to horizontal segment be opened by exploitation oil reservoir packing so that the position of each steam injection oil-producing unit and the oil reservoir for needing steam injection to recover the oil
Position is corresponding.
Step 2：Etc. mass dryness fraction steam injection
Connection ground steam injection pipeline, blow-on steam injection, steam adopts integrated apparatus by ground steam transmitting pipe line into note, in steam injection
During, the inner tube of heat-insulated down-well compensator 2 to outer tube is moved, and outer tube is insulated tubing, so that inner tube is in instlated tubular
In and avoid in elongation process heat loss, while playing thermal compensation effect, it is to avoid the generation of steam injection string thermal stress；Self compensation
Heat-sensitive packer 6 is raised and gradually swollen envelope with the temperature of steam injection string, and then realizes that casing off more than horizontal segment is sealed；
Afterwards, steam such as enters at the mass dryness fraction distributor 7, so as to realize that the mass dryness fractions such as steam are distributed, the mass dryness fraction steam injection such as carries out to oil reservoir.
Step 3：Under enter sucker rod production；
After the completion of steam injection, under enter sucker rod and adopt integrated pump 4 with note to dock, and carry pump closing steam injection passage, turn on pump is entered
Production phase.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the scope of the claims of the present utility model, its
He all should all belong to the scope of the claims of the present utility model with the equivalence changes of patent spirit of the present utility model.
Claims (9)
1. horizontal well note adopts integrated apparatus, it is characterised in that：The integrated apparatus are compensated by the first insulated tubing, heat-insulated down-hole
Device, the second insulated tubing, note adopt integrated pump, the 3rd insulated tubing, packer, oil pipe and at least one steam injection oil-producing unit according to
It is secondary to be formed by connecting, wherein, the steam injection oil-producing unit by etc. mass dryness fraction distributor be formed by connecting with balanced drainage device, the oil pipe
Upper end be connected with the packer lower end, the lower end of the oil pipe is connected with the mass dryness fraction distributor such as described.
2. horizontal well note as claimed in claim 1 adopts integrated apparatus, it is characterised in that：The integrated apparatus include multiple notes
Vapour oil-producing unit, is connected between adjacent steam injection oil-producing unit by inserting sealing.
3. horizontal well note as claimed in claim 1 or 2 adopts integrated apparatus, it is characterised in that：The balanced drainage device by
Top connection, central canal and lower contact are connected in sequence, and the side wall of the central canal is provided with gate gurgle valve, the top connection upper end with
The mass dryness fraction distributor such as described is connected.
4. horizontal well note as claimed in claim 3 adopts integrated apparatus, it is characterised in that：The outer wall of the central canal is arranged with
Control liquid cover, the two ends of the control liquid cover are fixed respectively by upper shield with lower shield；The upper shield passes through screw thread with the central canal
It is connected, the lower shield passes through pin stationary positioned with the central canal；Oil leak hole is provided with the control liquid cover.
5. horizontal well note as claimed in claim 4 adopts integrated apparatus, it is characterised in that the gate gurgle valve is ball-and-seat,
The lower shield lower end, central canal periphery are arranged with centralizer.
6. horizontal well note as claimed in claim 3 adopts integrated apparatus, it is characterised in that the packer is self compensation temperature-sensitive
Packer.
7. horizontal well note as claimed in claim 3 adopts integrated apparatus, it is characterised in that：The mass dryness fraction distributor such as described is by hoop
It is formed by connecting with steam injection body, the side of the steam injection body is additionally provided with hollow steam injection arm, and the steam injection chamber body also sets
Phase separator in pipe is equipped with, the inner chamber of the steam injection body is separated into two parts inner chamber by phase separator in the pipe, wherein one
Divide the intracavity inter-connection of inner chamber and the steam injection arm, constitute the first steam injection passage, another part inner chamber then constitutes the second steam injection
It is logical.
8. horizontal well note as claimed in claim 7 adopts integrated apparatus, it is characterised in that：The steam injection tube cavity also sets up
There are steam injection valve, baffle ring and critical flow nozzle.
9. horizontal well note as claimed in claim 8 adopts integrated apparatus, it is characterised in that：The steam injection chamber body also sets up
There is commutator, the commutator is helical swirl piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621172420.9U CN206129253U (en) | 2016-10-26 | 2016-10-26 | Horizontal well is annotated and is adopted integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621172420.9U CN206129253U (en) | 2016-10-26 | 2016-10-26 | Horizontal well is annotated and is adopted integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206129253U true CN206129253U (en) | 2017-04-26 |
Family
ID=58575974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621172420.9U Active CN206129253U (en) | 2016-10-26 | 2016-10-26 | Horizontal well is annotated and is adopted integrated device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206129253U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989584A (en) * | 2016-10-26 | 2018-05-04 | 中国石油化工股份有限公司 | Horizontal well note adopts integrated apparatus and method |
| CN110094191A (en) * | 2018-01-29 | 2019-08-06 | 中国石油化工股份有限公司 | A kind of thermal production well fragment-force injection-production column jacket and method |
| CN110344787A (en) * | 2019-07-16 | 2019-10-18 | 胜利方兰德石油装备股份有限公司 | A kind of pumping unit system with multistage steam injection packer accessory |
| CN110593819A (en) * | 2019-07-16 | 2019-12-20 | 胜利方兰德石油装备股份有限公司 | Floor type multi-rope oil pumping machine system |
| CN110939420A (en) * | 2019-12-31 | 2020-03-31 | 克拉玛依联科节能环保技术有限公司 | Thick oil thermal recovery layering injection and recovery integrated pipe column tool |
| CN111255424A (en) * | 2018-12-03 | 2020-06-09 | 中国石油化工股份有限公司 | Thermal production pipe column and oil production method thereof |
| CN115163016A (en) * | 2022-07-28 | 2022-10-11 | 中国海洋石油集团有限公司 | Reservoir injection-production integrated tubular column equipment and reservoir injection-production method |
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2016
- 2016-10-26 CN CN201621172420.9U patent/CN206129253U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989584A (en) * | 2016-10-26 | 2018-05-04 | 中国石油化工股份有限公司 | Horizontal well note adopts integrated apparatus and method |
| CN110094191A (en) * | 2018-01-29 | 2019-08-06 | 中国石油化工股份有限公司 | A kind of thermal production well fragment-force injection-production column jacket and method |
| CN110094191B (en) * | 2018-01-29 | 2021-06-29 | 中国石油化工股份有限公司 | Forced segmented injection-production pipe column and method for thermal production well |
| CN111255424A (en) * | 2018-12-03 | 2020-06-09 | 中国石油化工股份有限公司 | Thermal production pipe column and oil production method thereof |
| CN111255424B (en) * | 2018-12-03 | 2022-03-08 | 中国石油化工股份有限公司 | Thermal production pipe column and oil production method thereof |
| CN110344787A (en) * | 2019-07-16 | 2019-10-18 | 胜利方兰德石油装备股份有限公司 | A kind of pumping unit system with multistage steam injection packer accessory |
| CN110593819A (en) * | 2019-07-16 | 2019-12-20 | 胜利方兰德石油装备股份有限公司 | Floor type multi-rope oil pumping machine system |
| CN110939420A (en) * | 2019-12-31 | 2020-03-31 | 克拉玛依联科节能环保技术有限公司 | Thick oil thermal recovery layering injection and recovery integrated pipe column tool |
| CN115163016A (en) * | 2022-07-28 | 2022-10-11 | 中国海洋石油集团有限公司 | Reservoir injection-production integrated tubular column equipment and reservoir injection-production method |
| CN115163016B (en) * | 2022-07-28 | 2023-09-22 | 中国海洋石油集团有限公司 | Reservoir injection and production integrated tubular column equipment and reservoir injection and production method |
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