CN203515522U - Oil nozzle type oil well output liquid control device - Google Patents
Oil nozzle type oil well output liquid control device Download PDFInfo
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- CN203515522U CN203515522U CN201320590997.1U CN201320590997U CN203515522U CN 203515522 U CN203515522 U CN 203515522U CN 201320590997 U CN201320590997 U CN 201320590997U CN 203515522 U CN203515522 U CN 203515522U
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- oil nozzle
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- 239000007788 liquid Substances 0.000 title claims abstract description 65
- 239000003129 oil well Substances 0.000 title claims abstract description 33
- 239000012530 fluid Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 8
- 239000004576 sand Substances 0.000 abstract 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model relates to a choke type oil well output liquid control device, which is characterized in that a hollow tubular main body and a base pipe are sequentially connected in series from top to bottom, an outer ring of the main body is sleeved with an outer cover, a sand control pipe is connected below the outer cover, and the inner wall surfaces of the sand control pipe and the outer cover and the outer wall surfaces of the main body and the base pipe jointly define a liquid flow annular space; a throttling hole is radially formed in the pipe wall of the main body, a throttling oil nozzle is arranged in the throttling hole, a stop block is clamped between the main body and the outer cover at a position corresponding to the throttling hole, and a liquid flow passage penetrating through the stop block is communicated with the throttling oil nozzle and the throttling hole; the pipe wall of the main body is also provided with a liquid through hole in the radial direction, the liquid through hole is blocked by a one-way valve, and the one-way valve is arranged on a side hole of the outer cover in the radial direction and can be pushed open by pressure from the radial inner side to enable the liquid through hole to be communicated with the liquid flow annular space. Borrow this, through add one-way liquid outlet on controlling means's pipe wall, make the utility model discloses when unblocking, change stifled or acidizing etc. in-process need pour into liquid into to the stratum, the injected liquid can be followed and arranged smoothly in the tubular column to the oil reservoir.
Description
Technical field
The utility model is for the production fluid control device of oil well production in a kind of petroleum industry.
Background technology
The pay interval of oil well is generally longer, and for horizontal well, pay interval can reach hundreds of rice.Due in pay interval, the feature of different oil reservoirs there are differences, liquid along each oil reservoir output of axis direction of oil well is different, make along the section of horizontal segment production fluid inhomogeneously, in process of production, end water (being positioned at the water layer of exploitation below oil reservoir) or the good position of limit water (being positioned at the water layer at the exploitation oil reservoir edge) condition of oozing in hole are broken through, cause the too early water breakthrough of horizontal well, moisture fast rise, oil production fast-descending, the production efficiency of horizontal well reduces greatly.
For addressing the above problem, Chinese patent CN200810055679.9 < < Fillable Water Control Sieve and location mode > > have proposed a kind of horizontal well control water scheme, this scheme is on completion base tube, to be provided with one to cross filter ruffle, cross between filter ruffle and the borehole wall and cross filling solid particle between filter ruffle and base tube, the filling of solid particle increases production fluid along the resistance of tubing string axial flow, production fluid is along the gap Radial Flow of crossing between filter ruffle and base tube, flow to a little throttle orifice of this device one end, throttle orifice produces throttling, oil reservoir production fluid is larger, chock pressure difference is larger, suppressed the outflow of oil reservoir production fluid, prevent " bore into " of " ridge enters " of end water or limit water.But in this patent, show, completion tubular column must all be used this water-control sieve tube.Therefore, cause Completion cost greatly to increase.
In addition, in order to produce good restriction effect, it is less that above-mentioned throttle orifice generally designs aperture.And after this casing string is lowered to, once need to carry out de-plugging to this oil well, change the work progresss such as stifled or acidifying, just need in well, squeeze liquid and make it pass through above-mentioned throttle orifice inflow oil reservoir; And the liquid of squeezing does not have higher pressure, be difficult to successfully pass through in a large number from throttle orifice, cause the work progresss such as de-plugging, acidifying to be obstructed, fall flat.
Utility model content
In view of the defect described in background technology, the purpose of this utility model, be to provide a kind of oil nozzle type produced liquid in oil well control device, by set up unidirectional liquid flow export on the tube wall of control device, while making the utility model need to stratum filling liquid in de-plugging, in changing the processes such as stifled or acidifying, injection liquid can from tubing string smoothly discharged to oil reservoir.
Above-mentioned the purpose of this utility model is to be realized by following technical scheme:
The utility model provides a kind of oil nozzle type produced liquid in oil well control device, this device is sequentially serially connected with main body and a base tube of a hollow tubular from top to bottom, main body exterior ring cap has the outer cover of hollow tubular, outer cover below is connected with the sand-proof pipe of offering a plurality of eyelets on tube wall, and the outside wall surface of the internal face of sand-proof pipe and outer cover and main body and base tube defines a liquid stream annular space jointly, wherein: on the tube wall of described main body, radially offer throttle orifice, a built-in throttling oil nozzle in throttle orifice, between described main body and described outer cover, position that should throttle orifice is also folded with to block, block has the fluid course running through and is communicated in this throttling oil nozzle and this throttle orifice, on the tube wall of described main body, also radially offer liquid-through hole, liquid-through hole is by one way valve institute shutoff, this one way valve is radially installed on a side opening of described outer cover, and this one way valve can be backed down by the pressure from radially inner side and this liquid-through hole is communicated with this liquid stream annular space.
The described main body of oil nozzle type produced liquid in oil well control device as above is concaved with valve pool at the radial outside of described liquid-through hole, and described one way valve comprises: valve seat, be arranged in this valve pool, and valve seat has centre bore and is communicated with described liquid-through hole; Rigging screw, can be combined on the described side opening of outer cover; Spool, its one end sealing top is butted on this centre bore of valve seat, and the other end is connected with this rigging screw elasticity.
The spool of the described one way valve of oil nozzle type produced liquid in oil well control device as above has hemispheric end and cylindric bar portion, wherein the hemisphere top sealing top of this end is butted on this centre bore one side of valve seat, and outside bar portion, be arranged with a Compress Spring, one end of Compress Spring is resisted against in the plane of this hemispheric end bottom, and the other end is resisted against described rigging screw on the surface of radially inner side.
The outside wall surface of the described main body of oil nozzle type produced liquid in oil well control device as above offer this throttle orifice and this liquid-through hole axially above have one to the protruding shoulder of radial outside ring, the ring-side wall of this shoulder has threaded portion and screws togather fixing with the one end with described outer cover inside wall; And between described main body and described outer cover, forming the axial downside that described liquid stream annular space is positioned at this shoulder, liquid stream annular space is communicated with described throttle orifice.
The top of the described main body of oil nozzle type produced liquid in oil well control device as above has to connect the threaded portion of upper sleeve; The bottom of described base tube has to connect the threaded portion of lower parts casing pipe.
The described block of oil nozzle type produced liquid in oil well control device as above is affixed by screw and described outer cover.
Between the valve seat of described one way valve of oil nozzle type produced liquid in oil well control device as above and the valve pool of described main body, be installed with sealing ring.
The described main body of oil nozzle type produced liquid in oil well control device as above is concaved with oil nozzle groove at the radial outside of described throttle orifice, described block by this throttling oil nozzle shutoff in this oil nozzle groove.
Between the described throttling oil nozzle of oil nozzle type produced liquid in oil well control device as above and the oil nozzle groove of described main body, be installed with sealing ring.
By above technical scheme, the utility model has the advantage of:
1. the utility model is provided with respectively in order to the throttle orifice of current limliting with in order to outwards to extrude the liquid-through hole of liquid in the main body of production fluid control device, and at liquid-through hole place, coordinate one way valve, when making the utility model in de-plugging, acidifying or needing to stratum filling liquid in changing the work progress such as stifled, the injection liquid of main body inner chamber can be smoothly and in large quantities outside liquid-through hole drains into main body, and it has the double dominant that horizontal well is effectively controlled water and do not affected large discharge capacity injection liquid injection stratum in the processes such as de-plugging or acidifying.
2. for the horizontal well of different underground workings, the utility model can need and only select the throttling oil nozzle of different bores to insert in the oil nozzle groove of main body just to produce different current limitation effects according to varying level well production fluid, without the many endowel wastes of design design cost, there is higher economy and the wider scope of application.
3. compare < < Fillable Water Control Sieve and location mode > > described in background technology, the utility model is without being all connected one by one to form completion tubular column with production fluid control device, but only production fluid control device need be set at the position of needs, by ordinary casing, be concatenated into completion tubular column again, greatly save tubing string manufacturing cost, there is outstanding economic benefit.
For making goal of the invention of the present utility model, technological means and technique effect have more complete and clearly disclose, be below elaborated, and see also accompanying drawing and parts label.
Accompanying drawing explanation
Fig. 1 is longitudinal section of the present utility model;
Fig. 2 is the local amplification view of the utility model one way valve;
Fig. 3 is the local amplification view of the utility model throttling oil nozzle and block;
Fig. 4 is the A-A sectional view of Fig. 1;
Fig. 5 is the B-B sectional view of Fig. 1;
Fig. 6 be the utility model in oil reservoir industry process, fluid flow to schematic diagram;
Fig. 7 be the utility model in the processes such as de-plugging or acidifying, fluid injection flow to schematic diagram.
The specific embodiment
In the utility model, the term of all references " top ", " from top to bottom ", " axially top " " on " all refer to the direction along tubing string to well head; And the D score of the term of all references " bottom ", " from top to bottom ", " axially downside " all refers to the direction along tubing string to shaft bottom; It should be noted that this "up" and "down" may be different from the "up" and "down" of gravity direction, for example, apply situation of the present utility model at horizontal well.
Refer to shown in Fig. 1, the utility model provides a kind of oil nozzle type produced liquid in oil well control device, this device is sequentially serially connected with main body 1 and a base tube 3 of a hollow tubular from top to bottom, main body 1 exterior ring cap has the outer cover 2 of hollow tubular, outer cover 2 belows are connected with the sand-proof pipe 5 of offering a plurality of eyelets 51 on tube wall, and the outside wall surface of the internal face of sand-proof pipe 5 and outer cover 2 and main body 1 and base tube 3 defines a liquid stream annular space 6 jointly, wherein, please further consult Fig. 2 and Fig. 3: on the tube wall of described main body 1, radially offer throttle orifice 12, a built-in throttling oil nozzle 9 in throttle orifice 12, between described main body 1 and described outer cover 2, position that should throttle orifice 12 is also folded with to block 8, block 8 has the fluid course 81 running through and is communicated in this throttling oil nozzle 9 and this throttle orifice 12, on the tube wall of described main body 1, also radially offer liquid-through hole 13, liquid-through hole 13 is by 4 shutoff of an one way valve, this one way valve 4 is radially installed on a side opening 20 of described outer cover 2, and this one way valve 4 can be backed down by the pressure from radially inner side and this liquid-through hole 13 is communicated with this liquid stream annular space 6.
As Fig. 2 and Fig. 4, above-mentioned liquid-through hole 13 and one way valve 4 can design by following better concrete scheme:
Further, the spool 42 of one way valve 4 has hemispheric end 421 and cylindric bar portion 422, wherein the hemisphere top sealing top of this end 421 is butted on these centre bore 411 1 sides of valve seat 41, and the outer Compress Spring 44 that is arranged with of bar portion 422, one end of Compress Spring 44 is resisted against in the plane of these hemispheric end 421 bottoms, and the other end is resisted against described rigging screw 43 on the surface of radially inner side.Wherein, Compress Spring 44 is replaceable for having arbitrarily the structure of identical function.
Between the valve seat 41 of described one way valve 4 and the valve pool 131 of described main body 1, be installed with sealing ring 45.
Refer to shown in Fig. 1, the connection of main body 1 and outer cover 2 can adopt following preferably mode:
The outside wall surface of described main body 1 offer this throttle orifice 12 and this liquid-through hole 13 axially above have one to the protruding shoulder 11 of radial outside ring, the ring-side wall of this shoulder 11 has threaded portion 110 to screw togather fixing with one end of described outer cover 2 inside walls; And between described main body 1 and described outer cover 2, forming the axial downside that described liquid stream annular space 6 is positioned at this shoulder 11, liquid stream annular space 6 is communicated with described throttle orifice 12.
The annexation of oil nozzle type produced liquid in oil well control device of the present utility model and whole section of tubing string is as follows:
The top of the described main body 1 of oil nozzle type produced liquid in oil well control device of the present utility model has to connect the threaded portion of upper sleeve (not shown); The bottom of described base tube 3 has to connect the threaded portion of lower parts casing pipe (not shown).Whereby, the utility model can be determined the quantity of the oil nozzle type produced liquid in oil well control device that completion tubular column is connected in series according to the actual output ability of every mouthful of well, and oil reservoir liquid-producing capacity is stronger, and the production fluid control device needing is more, otherwise fewer.And can connect by sleeve pipe between each production fluid control device, also can isolate to carry out with external packer of pipe the segmentation control of oil well.
As Fig. 3 and Fig. 5, above-mentioned throttle orifice 12, throttling oil nozzle 9 and block 8 can design by following better concrete scheme:
Described block 8 is affixed by screw (not shown) and described outer cover 2, and also available other modes are affixed.
Described main body 1 is concaved with oil nozzle groove 121 at the radial outside of described throttle orifice 12, described block 8 by these throttling oil nozzle 9 shutoff in this oil nozzle groove 121.
Between described throttling oil nozzle 9 and the oil nozzle groove 121 of described main body 1, be installed with sealing ring 91.
When oil well is when producing, refer in Fig. 6 shown in arrow, stratum production fluid flows into liquid stream annular space 6 by sand-proof pipe 5 along the direction of arrow, at liquid stream annular space 6, builds up upwards, through fluid course 81, the throttling oil nozzle 9(of block 8, produces current limliting), that throttle orifice 12 enters main body 1 inner chamber is collected.Produced liquid in oil well amount is larger, and its chock pressure difference is larger, has suppressed the increase of output.And one way valve is now blocked up liquid-through hole 13 by top press seal, production fluid cannot enter main body 1 inner chamber by liquid-through hole 13.
When needing to stratum filling liquid in de-plugging, in changing the processes such as stifled or acidifying, refer in Fig. 7 shown in arrow, injection liquid is from the outside pushing tow one way valve 4 of main body inner chamber, the spool of one way valve 4 is opened, and injection liquid just can flow into stratum along the centre bore 411 of liquid-through hole 13, valve seat 41, the eyelet 51 that liquid flows annular space 6, sand-proof pipe 5 like this.
Above for being only the schematic part embodiment of the utility model; not in order to limit scope of the present utility model; any those skilled in the art; do not departing from equivalent variations and the modification of having done under the prerequisite of design of the present utility model and principle, within all should being included in this patent protection domain.
Claims (9)
1. an oil nozzle type produced liquid in oil well control device, it is characterized in that, sequentially be serially connected with main body and a base tube of a hollow tubular from top to bottom, main body exterior ring cap has the outer cover of hollow tubular, outer cover below is connected with the sand-proof pipe of offering a plurality of eyelets on tube wall, and the outside wall surface of the internal face of sand-proof pipe and outer cover and main body and base tube defines a liquid stream annular space jointly, wherein:
On the tube wall of described main body, radially offer throttle orifice, a built-in throttling oil nozzle in throttle orifice, is also folded with block to position that should throttle orifice between described main body and described outer cover, and block has the fluid course running through and is communicated in this throttling oil nozzle and this throttle orifice;
On the tube wall of described main body, also radially offer liquid-through hole, liquid-through hole is by one way valve institute shutoff, this one way valve is radially installed on a side opening of described outer cover, and this one way valve can be backed down by the pressure from radially inner side and this liquid-through hole is communicated with this liquid stream annular space.
2. oil nozzle type produced liquid in oil well control device according to claim 1, is characterized in that, described main body is concaved with valve pool at the radial outside of described liquid-through hole, and described one way valve comprises:
Valve seat, is arranged in this valve pool, and valve seat has centre bore and is communicated with described liquid-through hole;
Rigging screw, can be combined on the described side opening of outer cover;
Spool, its one end sealing top is butted on this centre bore of valve seat, and the other end is connected with this rigging screw elasticity.
3. oil nozzle type produced liquid in oil well control device according to claim 2, it is characterized in that, the spool of described one way valve has hemispheric end and cylindric bar portion, wherein the hemisphere top sealing top of this end is butted on this centre bore one side of valve seat, and outside bar portion, be arranged with a Compress Spring, one end of Compress Spring is resisted against in the plane of this hemispheric end bottom, and the other end is resisted against described rigging screw on the surface of radially inner side.
4. oil nozzle type produced liquid in oil well control device according to claim 1, it is characterized in that, the outside wall surface of described main body offer this throttle orifice and this liquid-through hole axially above have one to the protruding shoulder of radial outside ring, the ring-side wall of this shoulder has threaded portion and screws togather fixing with the one end with described outer cover inside wall; And between described main body and described outer cover, forming the axial downside that described liquid stream annular space is positioned at this shoulder, liquid stream annular space is communicated with described throttle orifice.
5. according to the oil nozzle type produced liquid in oil well control device described in claim 1-4 any one, it is characterized in that, the top of described main body has to connect the threaded portion of upper sleeve; The bottom of described base tube has to connect the threaded portion of lower parts casing pipe.
6. according to the oil nozzle type produced liquid in oil well control device described in claim 1-4 any one, it is characterized in that, described block is affixed by screw and described outer cover.
7. according to the oil nozzle type produced liquid in oil well control device described in claim 1-4 any one, it is characterized in that, between the valve seat of described one way valve and the valve pool of described main body, be installed with sealing ring.
8. according to the oil nozzle type produced liquid in oil well control device described in claim 1-4 any one, it is characterized in that, described main body is concaved with oil nozzle groove at the radial outside of described throttle orifice, described block by this throttling oil nozzle shutoff in this oil nozzle groove.
9. oil nozzle type produced liquid in oil well control device according to claim 8, is characterized in that, between the oil nozzle groove of described throttling oil nozzle and described main body, is installed with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320590997.1U CN203515522U (en) | 2013-09-24 | 2013-09-24 | Oil nozzle type oil well output liquid control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320590997.1U CN203515522U (en) | 2013-09-24 | 2013-09-24 | Oil nozzle type oil well output liquid control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515522U true CN203515522U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320590997.1U Expired - Fee Related CN203515522U (en) | 2013-09-24 | 2013-09-24 | Oil nozzle type oil well output liquid control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203515522U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625991A (en) * | 2014-11-06 | 2016-06-01 | 中国石油化工股份有限公司 | Water-controlling and oil-stabilizing inflow controller used for oil extraction system |
| CN105626003A (en) * | 2014-11-06 | 2016-06-01 | 中国石油化工股份有限公司 | Control device used for regulating formation fluid |
| CN113216911A (en) * | 2021-05-31 | 2021-08-06 | 中国海洋石油集团有限公司 | Floating sieve tube |
| CN113756745A (en) * | 2020-06-04 | 2021-12-07 | 思达斯易能源技术(集团)有限公司 | Automatic inflow water control device and water control method thereof |
-
2013
- 2013-09-24 CN CN201320590997.1U patent/CN203515522U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625991A (en) * | 2014-11-06 | 2016-06-01 | 中国石油化工股份有限公司 | Water-controlling and oil-stabilizing inflow controller used for oil extraction system |
| CN105626003A (en) * | 2014-11-06 | 2016-06-01 | 中国石油化工股份有限公司 | Control device used for regulating formation fluid |
| CN105625991B (en) * | 2014-11-06 | 2018-03-13 | 中国石油化工股份有限公司 | A kind of water and oil control for oil extraction system flows into controller |
| CN113756745A (en) * | 2020-06-04 | 2021-12-07 | 思达斯易能源技术(集团)有限公司 | Automatic inflow water control device and water control method thereof |
| CN113216911A (en) * | 2021-05-31 | 2021-08-06 | 中国海洋石油集团有限公司 | Floating sieve tube |
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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: 20140402 Termination date: 20210924 |