CN204457683U - A kind of pumpingh well cross-layer divides device for picking - Google Patents
A kind of pumpingh well cross-layer divides device for picking Download PDFInfo
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- CN204457683U CN204457683U CN201420795507.6U CN201420795507U CN204457683U CN 204457683 U CN204457683 U CN 204457683U CN 201420795507 U CN201420795507 U CN 201420795507U CN 204457683 U CN204457683 U CN 204457683U
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- packer
- yielding stratum
- oil
- picking
- layer
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- 239000010410 layer Substances 0.000 claims abstract description 29
- 239000011229 interlayer Substances 0.000 claims abstract description 28
- 239000004576 sand Substances 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 description 12
- 230000008569 process Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 241000931705 Cicada Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Abstract
The utility model discloses a kind of pumpingh well cross-layer and divide device for picking, comprising: the first packer, between top oil-yielding stratum and middle part water-yielding stratum; Interlayer pipe, be positioned at middle part water-yielding stratum, the upper end of described interlayer pipe is connected with the lower end of described first packer; Second packer, between middle part water-yielding stratum and bottom oil-yielding stratum, the upper end of described second packer is connected with the lower end of described interlayer pipe; Tubing pump, is positioned at below the oil-yielding stratum of bottom, and the upper end of described tubing pump is connected with the lower end of described second packer; Sand control screens, the upper end of described sand control screens is connected with the lower end of described tubing pump; Plug, is connected with the lower end of described sand control screens.The utility model achieves the technique effect simultaneously exploiting upper and lower part oil reservoir.
Description
Technical field
The utility model relates to technical field of petroleum extraction, particularly relates to a kind of pumpingh well cross-layer and divides device for picking.
Background technology
At present, for the bottom oil-yielding stratum of the larger middle part water-yielding stratum of stream pressure, the hypotonic non-waterflooding extraction of low yield in oil field and the larger top oil-yielding stratum of top waterflooding extraction pressure, adopt water-yielding stratum and separate extracting pump in the middle part of shutoff to divide and adopt technology exploitation upper and lower part oil-yielding stratum.Separate extracting pump divides the technology of adopting to be two series of strata exploitations, lower pump pumping top oil-yielding stratum, upper pump pumping bottom oil-yielding stratum.But because middle part water-yielding stratum pressure is higher, middle part water-yielding stratum produces interference in lower pump, the middle part water-yielding stratum of high pressure easily pours in down a chimney the bottom oil-yielding stratum of low pressure, there is the technical problem simultaneously cannot exploiting upper and lower part oil-yielding stratum.
Summary of the invention
The embodiment of the present application divides device for picking by providing a kind of pumpingh well cross-layer, solves the technical problem existing in prior art and cannot exploit upper and lower part oil reservoir simultaneously.
The application provides following technical scheme by an embodiment of the application:
A kind of pumpingh well cross-layer divides device for picking, comprising:
First packer, between top oil-yielding stratum and middle part water-yielding stratum;
Interlayer pipe, be positioned at middle part water-yielding stratum, the upper end of described interlayer pipe is connected with the lower end of described first packer;
Second packer, between middle part water-yielding stratum and bottom oil-yielding stratum, the upper end of described second packer is connected with the lower end of described interlayer pipe;
Tubing pump, is positioned at below the oil-yielding stratum of bottom, and the upper end of described tubing pump is connected with the lower end of described second packer;
Sand control screens, the upper end of described sand control screens is connected with the lower end of described tubing pump;
Plug, is connected with the lower end of described sand control screens.
Preferably, described first packer, is specially: Y341 type packer.
Preferably, described second packer, is specially: anchor packer.
Preferably, described interlayer pipe, is specially: double layer oil pipe.
Preferably, described pumpingh well cross-layer divides device for picking, also comprises:
Divide and adopt production mandrel, be connected with the upper end of described first packer.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
In the embodiment of the present application, the interlayer pipe that described pumpingh well cross-layer divides device for picking to pass through to have liquid ability is connected the first packer (that is: Y341 type packer) with the second packer (that is: anchor packer), the middle part water-yielding stratum of two packer blocking high-pressures, first packer supernatant liquid enters the second packer lower floor by interlayer pipe, mix with lower floor liquid and pump through tubing pump, complete and point adopt lifting process, avoid in the interference of middle water-yielding stratum, the production capacity of bottom oil-yielding stratum plays, the middle part water-yielding stratum avoiding high pressure pours in down a chimney the bottom oil-yielding stratum of low pressure, achieve in exploitation simultaneously, the technique effect of bottom oil layer.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation that in the embodiment of the present application, pumpingh well cross-layer divides device for picking.
Detailed description of the invention
The embodiment of the present application divides device for picking by providing a kind of pumpingh well cross-layer, solve the multiple series of strata of pumpingh well in prior art and there is interlayer interference, and high pressure water-yielding stratum pours in down a chimney the technical problem of low pressure reservoir interference, thorough elimination waterflooding extraction high pressure water-yielding stratum disturbs the low pressure oil-producing formation interlayer interference of non-waterflooding extraction, play the effect of each reservoir productivity of balanced exploitation, achieve and exploit while the oil reservoir of upper and lower part.And can increase individual well can adopt total amount, reaches Suitable development pattern.Meanwhile, reduce non-available water circulation, increase water treatment facilities application life, cost squeeze, reaches effect of the economic exploitation.
The technical scheme of the embodiment of the present application is for solving the problems of the technologies described above, and general thought is as follows:
A kind of pumpingh well cross-layer divides device for picking, comprising: the first packer, between top oil-yielding stratum and middle part water-yielding stratum; Interlayer pipe, be positioned at middle part water-yielding stratum, the upper end of described interlayer pipe is connected with the lower end of described first packer; Second packer, between middle part water-yielding stratum and bottom oil-yielding stratum, the upper end of described second packer is connected with the lower end of described interlayer pipe; Tubing pump, is positioned at below the oil-yielding stratum of bottom, and the upper end of described tubing pump is connected with the lower end of described second packer; Sand control screens, the upper end of described sand control screens is connected with the lower end of described tubing pump; Plug, is connected with the lower end of described sand control screens.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
Embodiment one
As shown in Figure 1, present embodiments provide a kind of pumpingh well cross-layer and divide device for picking, the hole condition of practical application has straight well, inclined shaft, not sand output well and sand output well etc., and described pumpingh well cross-layer divides device for picking, comprising:
First packer 102, between top oil-yielding stratum and middle part water-yielding stratum;
Interlayer pipe 103, be positioned at middle part water-yielding stratum, the upper end of described interlayer pipe 103 is connected with the lower end of described first packer 102;
Second packer 104, between middle part water-yielding stratum and bottom oil-yielding stratum, the upper end of described second packer 104 is connected with the lower end of described interlayer pipe 103;
Tubing pump 105, is positioned at below the oil-yielding stratum of bottom, and the upper end of described tubing pump 105 is connected with the lower end of described second packer 104;
Sand control screens 106, the upper end of described sand control screens 106 is connected with the lower end of described tubing pump 105;
Plug 107, is connected with the lower end of described sand control screens 106.
In specific implementation process, described pumpingh well cross-layer divides device for picking, also comprises:
Point adopt production mandrel 101, be connected with the upper end of described first packer 102, divide adopt production mandrel 101 can according to geology reservoir pressure feature, this pumpingh well of arbitrary decision cross-layer divides the job position of device for picking, realizes the object of balanced exploitation.
In specific implementation process, point to adopt production mandrel 101, first packer 102, interlayer pipe 103, second packer 104, tubing pump 105, sand control screens 106, plug 107 be composed in series a tubing string successively.
In specific implementation process, first packer 102 and the second packer 104 are for water-yielding stratum in the middle part of shutoff, the liquid of the top oil-yielding stratum of high pressure, by point adopting after production mandrel 101 balances, enters bottom oil-yielding stratum through interlayer pipe 103, realizes the technique effect of each oil reservoir balanced exploitation.
In specific implementation process, the first packer 102 is specially Y341 type packer, and the second packer is specially anchor packer, and two packers have the functions such as draining, well-flushing and sand washing.
In specific implementation process, interlayer pipe 103 is specially elongated tubular double layer oil pipe, and its upper and lower end is connected with the second packer 104 (that is: anchor packer) with the first packer 102 (that is: Y341 type packer) respectively.First packer 102 and the second packer 104 offer multiple oil leak hole, there is oil draining function, while deblocking, oil leak hole is opened simultaneously, liquid, well-flushing and survey producing fluid level can be realized by the oil leak hole in the oil leak hole on the first packer 102 and the second packer 104, not only achieve the multiple oil reservoir of balanced exploitation, also achieve monitoring liquid level and solve conventional tube pump with pump water blockoff deblocking difficulty, eliminate potential safety hazard.
Due to, the interlayer pipe 103 that pumpingh well cross-layer divides device for picking to pass through to have liquid ability is connected the first packer 102 (that is: Y341 type packer) with the second packer 104 (that is: anchor packer), two packers are used for the middle part water-yielding stratum of blocking high-pressure, first packer 102 supernatant liquid (that is: the fluid of top oil-yielding stratum) enters the second packer 104 lower floor by interlayer oil pipe 103, mix with lower floor's liquid (that is: fluid of bottom oil-yielding stratum) and pump through tubing pump 105, complete and point adopt lifting process, so, avoid in the interference of middle water-yielding stratum, the production capacity of bottom oil layer plays.
This pumpingh well cross-layer divides that device for picking is rational in infrastructure, reliable operation, and in oil field layered oil producing operation, can increase individual well can adopt total amount, realizes exploiting while the oil-yielding stratum of upper and lower part; Meanwhile, reduce non-available water circulation, add water treatment facilities application life, have compressed cost, there is larger economic benefit.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
In the embodiment of the present application, the interlayer pipe that described pumpingh well cross-layer divides device for picking to pass through to have liquid ability is connected the first packer (that is: Y341 type packer) with the second packer (that is: anchor packer), the middle part water-yielding stratum of two packer blocking high-pressures, first packer supernatant liquid enters the second packer lower floor by interlayer pipe, mix with lower floor liquid and pump through tubing pump, complete and point adopt lifting process, avoid in the interference of middle water-yielding stratum, the production capacity of bottom oil-yielding stratum plays, the middle part water-yielding stratum avoiding high pressure pours in down a chimney the bottom oil-yielding stratum of low pressure, achieve in exploitation simultaneously, the technique effect of bottom oil layer.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (5)
1. pumpingh well cross-layer divides a device for picking, it is characterized in that, comprising:
First packer, between top oil-yielding stratum and middle part water-yielding stratum;
Interlayer pipe, be positioned at middle part water-yielding stratum, the upper end of described interlayer pipe is connected with the lower end of described first packer;
Second packer, between middle part water-yielding stratum and bottom oil-yielding stratum, the upper end of described second packer is connected with the lower end of described interlayer pipe;
Tubing pump, is positioned at below the oil-yielding stratum of bottom, and the upper end of described tubing pump is connected with the lower end of described second packer;
Sand control screens, the upper end of described sand control screens is connected with the lower end of described tubing pump;
Plug, is connected with the lower end of described sand control screens.
2. pumpingh well cross-layer as claimed in claim 1 divides device for picking, and it is characterized in that, described first packer, is specially: Y341 type packer.
3. pumpingh well cross-layer as claimed in claim 2 divides device for picking, and it is characterized in that, described second packer, is specially: anchor packer.
4. pumpingh well cross-layer as claimed in claim 3 divides device for picking, and it is characterized in that, described interlayer pipe, is specially: double layer oil pipe.
5. the pumpingh well cross-layer as described in as arbitrary in Claims 1 to 4 divides device for picking, and it is characterized in that, described pumpingh well cross-layer divides device for picking, also comprises:
Divide and adopt production mandrel, be connected with the upper end of described first packer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420795507.6U CN204457683U (en) | 2014-12-15 | 2014-12-15 | A kind of pumpingh well cross-layer divides device for picking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420795507.6U CN204457683U (en) | 2014-12-15 | 2014-12-15 | A kind of pumpingh well cross-layer divides device for picking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204457683U true CN204457683U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420795507.6U Expired - Fee Related CN204457683U (en) | 2014-12-15 | 2014-12-15 | A kind of pumpingh well cross-layer divides device for picking |
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| CN (1) | CN204457683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488265A (en) * | 2018-09-14 | 2019-03-19 | 中国石油天然气股份有限公司 | A kind of extracting device of oil and method of double layer oil pipe control formation pressure |
-
2014
- 2014-12-15 CN CN201420795507.6U patent/CN204457683U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488265A (en) * | 2018-09-14 | 2019-03-19 | 中国石油天然气股份有限公司 | A kind of extracting device of oil and method of double layer oil pipe control formation pressure |
| CN109488265B (en) * | 2018-09-14 | 2021-03-09 | 中国石油天然气股份有限公司 | Oil extraction device and method for controlling oil layer pressure by double-layer oil pipe |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |