CN106285620A - High gas-oil ratio (HGOR) oil well gas-liquid piece-rate system - Google Patents
High gas-oil ratio (HGOR) oil well gas-liquid piece-rate system Download PDFInfo
- Publication number
- CN106285620A CN106285620A CN201610996447.8A CN201610996447A CN106285620A CN 106285620 A CN106285620 A CN 106285620A CN 201610996447 A CN201610996447 A CN 201610996447A CN 106285620 A CN106285620 A CN 106285620A
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- Prior art keywords
- oil
- pipe
- core pipe
- separator
- feed
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- 239000007788 liquid Substances 0.000 title claims abstract description 27
- 239000003129 oil well Substances 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 239000012530 fluid Substances 0.000 claims abstract description 36
- 230000008878 coupling Effects 0.000 claims abstract description 20
- 238000010168 coupling process Methods 0.000 claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 claims abstract description 20
- 230000037361 pathway Effects 0.000 claims abstract description 19
- 230000009977 dual effect Effects 0.000 claims abstract description 14
- 239000004576 sand Substances 0.000 claims abstract description 13
- 239000013049 sediment Substances 0.000 claims abstract description 4
- 210000002275 spiral lamina Anatomy 0.000 claims description 35
- 238000007789 sealing Methods 0.000 claims description 18
- 210000003128 head Anatomy 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 6
- 239000003921 oil Substances 0.000 abstract description 70
- 238000011010 flushing procedure Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/38—Arrangements for separating materials produced by the well in the well
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The present invention provides a kind of high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system, including: the sleeve pipe being arranged in well be arranged on inside pipe casing, and passing sequentially through dual pathways aerated fluid separator, aerated fluid transmission channel assembly and the feeding device assembly that tubing coupling connects from top to bottom, the length of sleeve pipe is equal to the distance between well head and shaft bottom；Wherein, the top of dual pathways aerated fluid separator connects oil well pump, and the bottom of feeding device assembly connects sand sediment pipe.Utilize the present invention by improving swirl velocity, set up gas channel and eddy flow radius, improve the downhole gas of high gas-oil ratio (HGOR) mechanical oil well, sand, oil separating efficiency；Simultaneously by aerated fluid road ball-and-seat and the setting of double-deck telescoping tube, prevent the effect that flushing fluid pours in down a chimney when serving well-flushing, and the purpose of packer top fluid column unloading can be facilitated again when underground work.
Description
Technical field
The present invention relates to oilfield technology field, more specifically, relate to a kind of when high gas-oil ratio (HGOR) mechanical oil well produces
Down-hole pump suction inlet oil, gas, sand can be carried out high efficiency separation, simultaneously when well-flushing, packer bottom oil layer can be separated, prevent from washing
Well liquid pours in down a chimney, and can prevent the high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system of blowout with emptying when pump detection and workover.
Background technology
Crude oil produces main employing mechanical oil recovery method at present, when the mechanical oil well of high gas-oil ratio (HGOR) produces, deeply
Well pump sucks the efficiency that can affect deep well pump containing the crude oil that free gas, sand amount are too high, therefore, at deep well pump suction inlet all added with gas
The gas sand separating apparatus such as sand anchor.Existing gas, sand separating apparatus there is problems in that in use
1, conventional gas anchor split cavity is little and eddy flow radius is little, and separation efficiency is low, it is impossible to be applicable to high gas-oil ratio (HGOR) producing well；
2, existing sleeve pipe segregation apparatus uses single channel, and air upflow flows same runner, to high gas and oil with descending oil
Than the gas of producing well, separating of oil weak effect；
3, conventional gas anchor and existing sleeve pipe separator, when there is well-flushing, flushing fluid pours in down a chimney or cannot emptying during underground work
Problem.
Summary of the invention
In view of the above problems, it is an object of the invention to provide a kind of high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system, on solving
State the problem proposed in background technology.
The high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system that the present invention provides, including: the sleeve pipe being arranged in well be arranged on set
Inside pipe, and pass sequentially through dual pathways aerated fluid separator, the aerated fluid transmission channel assembly that tubing coupling connects from top to bottom
With feeding device assembly, the length of sleeve pipe is equal to the distance between well head and shaft bottom；Wherein,
Dual pathways aerated fluid separator includes separator core pipe and is set in separator core Guan Shangyu separator core length of tube
Identical separator oil pipe；Wherein, leaving space between separator oil pipe and separator core pipe, to form core pipe ring empty, sleeve pipe with point
Between device oil pipe, leave space form oil pipe annular space；Spiral lamina and lower spiral lamina, upper spiral it is provided with in oil pipe annular space
Plate and lower spiral lamina closely cooperate with separator core pipe, separator oil pipe respectively, are close to oil pipe tube wall in the inner side of upper spiral lamina
Position offer aperture；It is respectively arranged with vertical separating plate, at separator oil pipe on the top of upper spiral lamina and lower spiral lamina
Tube wall on be positioned at the position of vertical separating plate and offer outlet, outlet is provided with connection separator core pipe is internal and oil pipe
The stream ring excessively of annular space, the radial position that vertical separating plate is positioned at separator oil pipe is vertical with the radial direction crossing stream ring；At upper spiral lamina
Being arranged with mozzle with the top of lower spiral lamina, the side being positioned at stream ring on the top of mozzle is provided with and mozzle top
The semilune mozzle end socket flushed, vertical separating plate, mozzle and semilune mozzle end socket formed in oil pipe annular space to
The lower chamber opened wide；The casing of bottom hollow out it is arranged with in the bottom of upper spiral lamina and lower spiral lamina；Inside separator core pipe
Top be provided with core channel closure；
Aerated fluid transmission channel assembly includes core pipe ball-and-seat, oil pipe oil feeding device, core pipe sliding sleeve and telescoping tube；Telescoping tube
Including outer telescopic tube and transmission oil pipe, transmission oil pipe is connected with oil pipe oil feeding device by core pipe sliding sleeve, and outer telescopic tube is set in
On transmission oil pipe, oil pipe oil feeding device；
Feeding device assembly includes packer, packer core pipe and core pipe feeding device, and packer is set in packer core
Guan Shang, the top of core pipe feeding device is connected with the bottom of packer.
Utilize the above-mentioned high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system according to the present invention, by improving swirl velocity, set up gas
Circulation road and eddy flow radius, improve the downhole gas of high gas-oil ratio (HGOR) mechanical oil well, sand, oil separating efficiency；Simultaneously by mixed gas
Fluid passage ball-and-seat and the setting of double-deck telescoping tube, prevent flushing fluid from pouring in down a chimney when serving well-flushing, and can facilitate again during underground work
The purpose of packer top fluid column unloading.
In order to realize above-mentioned and relevant purpose, one or more aspects of the present invention include the spy that will be explained in below
Levy.Description below and accompanying drawing are described in detail some illustrative aspects of the present invention.But, these aspects only indicate
It is some modes in the various modes of the principle that can use the present invention.Additionally, it is contemplated that include all these aspect with
And their equivalent.
Accompanying drawing explanation
By with reference to below in conjunction with the explanation of accompanying drawing, and along with the present invention is more fully understood from, other of the present invention
Purpose and result will be more apparent and should be readily appreciated that.In the accompanying drawings:
Fig. 1 is the structural representation of the dual pathways aerated fluid separator according to the embodiment of the present invention；
Fig. 2 is the sectional view along line B-B of Fig. 1；
Fig. 3 is the structural representation of the aerated fluid transmission channel assembly according to the embodiment of the present invention；
Fig. 4 is the structural representation of the feeding device assembly according to the embodiment of the present invention.
Reference therein includes:
The most identical label indicates similar or corresponding feature or function.
Detailed description of the invention
In the following description, for purposes of illustration, in order to provide the comprehensive understanding to one or more embodiments, explain
Many details are stated.It may be evident, however, that these embodiments can also be realized in the case of not having these details.
In other example, for the ease of describing one or more embodiments, known structure and equipment illustrate in block form an.
Below with reference to accompanying drawing, the specific embodiment of the present invention is described in detail.
The high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system that the present invention provides, including: the sleeve pipe being arranged in well be arranged on set
Inside pipe, and pass sequentially through dual pathways aerated fluid separator, the aerated fluid transmission channel assembly that tubing coupling connects from top to bottom
With feeding device assembly, the distance between well head and shaft bottom is the length of sleeve pipe.
Separately below the structure of dual pathways aerated fluid separator, aerated fluid transmission channel assembly and feeding device assembly is entered
Row describes in detail.
Fig. 1 shows the structure of dual pathways aerated fluid separator according to embodiments of the present invention.
As it is shown in figure 1, the dual pathways aerated fluid separator that the present invention provides, including: separator core pipe 101 be set in point
Separator oil pipe 102 on device core pipe 101, separator oil pipe 102 is identical with the length of separator core pipe 101, and separator
Top and the bottom of oil pipe 102 flush with top and the bottom of separator core pipe 101；Process in the bottom of separator core pipe 101
Having inner sealing surface, be machined with male thread on the top of separator core pipe 101, male thread is connected with one end of tubing coupling 103, oil
The other end of pipe box cupling 103 is connected with oil well pump (not shown)；Core pipe envelope it is provided with on the top within separator core pipe 101
115；It is machined with male thread in the bottom of separator oil pipe 102, leaves between separator oil pipe 102 and separator core pipe 101
It is empty that space forms core pipe ring, and in core pipe ring sky, the position near top and bottom is respectively arranged with wiper block, two wiper blocks
Concentric with separator core pipe 101 fix；Leave space between sleeve pipe (not shown) and separator oil pipe 102 and form oil pipe ring
Sky, be provided with in oil pipe annular space spiral lamina 104 and lower spiral lamina 105, upper spiral lamina 104 and lower spiral lamina 105 respectively with
Separator core pipe 101, separator oil pipe 102 closely cooperate, and the position being close to oil pipe tube wall in the inner side of upper spiral lamina 104 is offered
There is aperture.In conjunction with Fig. 2, it is respectively arranged with vertical separating plate 106 on the top of upper spiral lamina 104 and lower spiral lamina 105 with vertical
Demarcation strip 107, on the tube wall of separator oil pipe 102, the position between vertical separating plate 106 and vertical separating plate 107 is opened
It is provided with outlet 109, outlet 109 is provided with connection separator core pipe 101 is internal crosses stream ring 110, vertically with oil pipe annular space
Demarcation strip 106 and vertical separating plate 107 lay respectively at the radial position of separator oil pipe 102, and flow the footpath of ring 110 with mistake respectively
To vertically；It is arranged with mozzle 111 on the top of upper spiral lamina 106 and lower spiral lamina 107, is positioned on the top of mozzle 111
The side crossing stream ring 110 is provided with semilune mozzle end socket 112, semilune mozzle end socket 112 and the top of mozzle 111
Flushing, vertical separating plate 106 and vertical separating plate 107, mozzle 111 and semilune mozzle end socket 112 are in oil pipe annular space
Form the chamber opened wide downwards；It is arranged with the casing 108 of bottom hollow out in the bottom of upper spiral lamina 104 and lower spiral lamina 105, protects
Cylinder 108 and mozzle 111 all play the effect of water conservancy diversion.
In a preferred embodiment of the present invention, the top of mozzle 111 is provided with mozzle righting board 113,
The bottom of casing 108 is provided with casing righting board 114.
Fig. 3 shows the structure of aerated fluid transmission channel assembly according to embodiments of the present invention.
As it is shown on figure 3, aerated fluid transmission channel assembly includes: core pipe ball-and-seat, oil pipe oil feeding device, core pipe sliding sleeve and stretch
The draw；Telescoping tube includes outer telescopic tube 201 and transmission oil pipe 202, is machined with male thread, in institute in the bottom of transmission oil pipe 202
It is provided with transmission core pipe 203 in stating transmission oil pipe 202, is machined with inner sealing surface, at outer telescopic tube in the bottom of transmission core pipe 203
The top of 201 connects slip box cupling 204, is machined with interior screw thread, the inwall of slip box cupling 204 in the bottom of outer telescopic tube 201
And leave gap between transmission oil pipe 202.
It is machined with external seal face at the top of transmission core pipe 203, is machined with male thread at the top of transmission oil pipe 202, passes
Petroleum pipeline 202 is connected by the male thread of self tubing coupling 205, the end face of tubing coupling 205 and transmission core pipe 203 top
External seal face flush, tubing coupling 205 is connected with the male thread bottom separator oil pipe 102, and transmission core pipe 203 top
External seal face coordinates with the inner sealing surface bottom separator core pipe 102.
In a preferred embodiment of the present invention, in the gap formed between transmission oil pipe 202 and transmission core pipe 203
Be respectively arranged with wiper block near the position of top and bottom, wiper block with transmit that core pipe 203 is concentric to be fixed, the bottom surface of wiper block
Concordant with the bottom surface of transmission oil pipe 202.
Core pipe ball-and-seat includes core pipe ball-and-seat overcoat 206, is machined with internal thread at the top of core pipe ball-and-seat overcoat 206
Button, is provided with core pipe single current valve pocket 207, in core pipe ball-and-seat overcoat 206 in the bottom of core pipe single current valve pocket 207 is machined with
Screw thread, is disposed with valve cover pressure cap 208, valve cover 209, valve ball 210 and in core pipe single current valve pocket 207 from top to bottom
Valve seat 211, is machined with the external seal face flushed with core pipe ball-and-seat overcoat 206, valve cover at the top of valve cover pressure cap 208
The external seal face at pressure cap 208 top coordinates with the inner sealing surface bottom transmission core pipe 203；Core pipe ball-and-seat overcoat 206 top
Interior screw thread is connected with the male thread bottom transmission oil pipe 202.
It should be noted that the external diameter of tubing coupling 205 and core pipe ball-and-seat overcoat 206 is slightly less than outer telescopic tube 201
Internal diameter.
Core pipe sliding sleeve includes sliding sleeve outer tube 212 and sliding sleeve inner tube 213, and sliding sleeve inner tube 213 is by core pipe single current valve pocket 207 end
The interior screw thread in portion is connected with core pipe single current valve pocket 207, offers and unload oilhole 214 on the tube wall of sliding sleeve inner tube 213；Sliding sleeve outer tube
212 are set in sliding sleeve inner tube 213, and the top of sliding sleeve outer tube 212 is provided with inner sealing surface, this inner sealing surface and sliding sleeve inner tube
213 slipper seals coordinate；It is provided with interior screw thread in the bottom of sliding sleeve outer tube 212.
Oil pipe oil feeding device includes oil-feed core pipe 215 and oil-feed outer tube 216, outside the top of oil-feed core pipe 215 is machined with
Screw thread, the interior screw thread bottom sliding sleeve outer tube 212 is connected with the male thread at oil-feed core pipe 215 top, at the middle part of oil-feed outer tube 216
Offering fuel feed hole 217, be machined with male thread at the top of oil-feed outer tube 216, the male thread at oil-feed outer tube 216 top is with flexible
Interior screwed connection bottom outer tube 201.
In a preferred embodiment of the present invention, between oil-feed core pipe 205 and oil-feed outer tube 216, it is provided with righting
Block, male thread bottom wiper block and oil-feed outer tube 216 is concentric to be fixed.
Fig. 4 shows the structure of feeding device assembly according to embodiments of the present invention.
As shown in Figure 4, feeding device assembly includes packer 301, packer core pipe 302 and core pipe feeding device, packing
Device 301 is set on packer core pipe 302, and the top of core pipe feeding device is connected, at packer with the bottom of packer 301
The top of 301 and bottom are machined with male thread respectively, and the male thread at packer 301 top connects tubing coupling 303, packer
The tubing coupling 303 at 301 tops is connected with the male thread of the bottom of oil-feed outer tube 216.
External seal face it is respectively arranged with, packer core pipe 302 top outer close at the top of packer core pipe 302 and bottom
Front cover flushes with the tubing coupling 303 at packer 301 top, the inner sealing surface bottom oil-feed core pipe 205 and packer core pipe 302
The external seal face at top coordinates.
Core pipe feeding device includes urceolus 304 and feed liquor core pipe 305, and the middle part in feed liquor core pipe 305 is provided with interior close
Front cover, the inner sealing surface of feed liquor core pipe 305 coordinates with the external seal face bottom packer core pipe 302, in feed liquor core pipe 305
Bottom is provided with the end and blocks up 306, is provided with feed pathway 307 at the middle part of urceolus 304, and feed pathway 307 connects feed liquor core pipe 305
Space between internal and urceolus 304, is machined with interior screw thread respectively at the top of urceolus 304 and bottom, urceolus 304 top interior
Screw thread is connected with the male thread bottom packer 301, and the interior screw thread bottom urceolus 304 is connected with sand sediment pipe.
Foregoing is described in detail the structure of the sleeve pipe separator that the present invention provides, the sleeve pipe provided the present invention below
The operation principle of separator illustrates, and the operation principle of sleeve pipe separator is as follows:
Aerated fluid enters packer core pipe 302 by the feed pathway 307 in core pipe feeding device and goes upward to the dual pathways and mix
The separator core pipe 101 of gas-liquid separator, enters the mozzle 111 of oil pipe annular space, enters mozzle 11 through crossing stream ring 110
Aerated fluid is along leading spiral lamina 106 and lower spiral lamina 107 cyclonic separation on aerated fluid passage, and liquid is descending, and gas is through upper spiral lamina
The aperture entrance double helix plate gas channel being close to tubing wall inside 106 goes upward to well head, and gas is finally from the casing valve of well head
Door row goes out.
Through dual pathways aerated fluid separator separate after liquid descending carry out further settlement separate.Specifically, liquid
Under pass through that to carry out sand after the oil pipe feeding device 14 of aerated fluid transmission channel assembly flows into oil-feed outer tube 216 settlement separate, separate
The sand gone out enters sand sediment pipe through feeding device assembly；And liquid flows into oil-feed outer tube 216 and oil-feed core by fuel feed hole 217
The core pipe ring that annular space between pipe 215 goes upward to dual pathways aerated fluid separator is empty, finally enters oil well pump, by oil pumping pumping
Walk.
When clean-out service, inject flushing fluid from the sleeve valve of well head, due to packer 301 and the work of core pipe ball-and-seat
The annular space between oil-feed outer tube 216 and oil-feed core pipe 215 can only be entered from fuel feed hole 217 with, flushing fluid, then on be advanced into oil pumping
Pump also goes upward to ground.
When workover treatment, well head promote tubing string, sliding sleeve inner tube 213 with outer telescopic tube 201 versus downstream to fuel feed hole 217
Opening, between sleeve pipe and the outer telescopic tube 201 on packer 301 top, the liquid of annular space enters oil-feed outer tube by fuel feed hole 217
Annular space between 216 and oil-feed core pipe 215, then liquid is up enters separator core pipe 101, final liquid by stream ring 4 excessively
Flow to shaft bottom to reach the purpose of unloading.
In the present invention, inner sealing surface referred to realize fixing company by frictional force between the two with coordinating of external seal face
Connect.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with scope of the claims.
Claims (10)
1. a high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system, it is characterised in that including: the sleeve pipe being arranged in well and be arranged on institute
State inside pipe casing, and pass sequentially through dual pathways aerated fluid separator, the aerated fluid transmission channel that tubing coupling connects from top to bottom
Assembly and feeding device assembly, the length of described sleeve pipe is equal to the distance between well head and shaft bottom；Wherein,
Described dual pathways aerated fluid separator includes separator core pipe, is set in separator core described in described separator core Guan Shangyu
The separator oil pipe that length of tube is identical；Wherein, leave space between described separator oil pipe and described separator core pipe and form core
Pipe ring is empty, leaves space and form oil pipe annular space between described sleeve pipe and described separator oil pipe；Arrange in described oil pipe annular space
Have upper spiral lamina and lower spiral lamina, described upper spiral lamina and described lower spiral lamina respectively with described separator core pipe, described separate
Device oil pipe closely cooperates, and on described, the inner side of spiral lamina is close to the position of described oil pipe tube wall and offers aperture；On described
The top of spiral lamina and described lower spiral lamina is respectively arranged with vertical separating plate, is positioned at institute on the tube wall of described separator oil pipe
The position stating vertical separating plate offers outlet, is provided with connection described separator core pipe inside and described oil in described outlet
What pipe ring was empty crosses stream ring, and described vertical separating plate is positioned at the radial position of described separator oil pipe and hangs down with the described radial direction crossing stream ring
Directly；On described, the top of spiral lamina and described lower spiral lamina is arranged with mozzle, is positioned at described on the top of described mozzle
The side crossing stream ring is provided with the semilune mozzle end socket flushed with described mozzle top, described vertical separating plate, described
Mozzle and described semilune mozzle end socket form the chamber opened wide downwards in described oil pipe annular space；Spiral lamina on described
With the casing that the bottom of described lower spiral lamina is arranged with bottom hollow out；Top within described separator core pipe is provided with core pipe
End socket；
Described aerated fluid transmission channel assembly includes core pipe ball-and-seat, oil pipe oil feeding device, core pipe sliding sleeve and telescoping tube；Described stretch
The draw includes outer telescopic tube and transmission oil pipe, and described transmission oil pipe is by described core pipe sliding sleeve with described oil pipe oil feeding device even
Connecing, described outer telescopic tube is set on described transmission oil pipe, described oil pipe oil feeding device；
Described feeding device assembly includes packer, packer core pipe and core pipe feeding device, and described packer is set in described
On packer core pipe, the described top of core pipe feeding device is connected with the bottom of described packer.
2. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as claimed in claim 1, it is characterised in that
It is machined with male thread in the bottom of described transmission oil pipe, in described transmission oil pipe, is provided with transmission core pipe, in described biography
The bottom of defeated core pipe is machined with inner sealing surface, and connecting at the top of described outer telescopic tube has slip box cupling, at described outer telescopic tube
Bottom be machined with interior screw thread, leave gap between inwall and the described transmission oil pipe of described slip box cupling；
Described core pipe ball-and-seat includes core pipe ball-and-seat overcoat, is machined with interior screw thread at the top of described core pipe ball-and-seat overcoat,
In described core pipe ball-and-seat overcoat, it is provided with core pipe single current valve pocket, is machined with internal thread in the bottom of described core pipe single current valve pocket
Button, is disposed with valve cover pressure cap, valve cover, valve ball and valve seat in described core pipe single current valve pocket from top to bottom,
The top of described valve cover pressure cap is machined with the external seal face flushed with described core pipe ball-and-seat overcoat, described valve cover pressure cap top
The external seal face in portion coordinates with the inner sealing surface bottom described transmission core pipe；The interior screw thread at described core pipe ball-and-seat overcoat top with
Male thread bottom described transmission oil pipe connects；
Described core pipe sliding sleeve includes sliding sleeve outer tube and sliding sleeve inner tube, and described sliding sleeve inner tube is by bottom described core pipe single current valve pocket
Interior screw thread is connected with described core pipe single current valve pocket, offers and unload oilhole on the tube wall of described sliding sleeve inner tube；Described sliding sleeve outer tube
It is set in described sliding sleeve inner tube, in the top of described sliding sleeve outer tube is provided with and coordinates with described sliding sleeve inner tube slipper seal
Sealing surface, is provided with interior screw thread in the bottom of described sliding sleeve outer tube；
Described oil pipe oil feeding device includes oil-feed core pipe and oil-feed outer tube, is machined with male thread at the top of described oil-feed core pipe,
The interior screw thread of described sliding sleeve outer pipe bottom is connected with the male thread at described oil-feed core pipe top, opens at the middle part of described oil-feed outer tube
Being provided with fuel feed hole, be machined with male thread at the top of described oil-feed outer tube, the male thread at described oil-feed outer tube top is stretched with described
The interior screwed connection of contracting outer pipe bottom.
3. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as claimed in claim 2, it is characterised in that
It is machined with male thread in the bottom of described separator oil pipe, is machined with inner sealing surface in the bottom of described separator core pipe；
It is machined with external seal face at the top of described transmission core pipe, is machined with male thread at the top of described transmission oil pipe, described
Transmission oil pipe is connected by the male thread of self tubing coupling, the end face of described tubing coupling and described transmission core pipe top
External seal face flushes, and described tubing coupling is connected with the male thread bottom described separator oil pipe, and described transmission core pipe top
External seal face coordinate with the inner sealing surface bottom described separator core pipe.
4. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as claimed in claim 3, it is characterised in that
The external diameter of described tubing coupling and described core pipe ball-and-seat overcoat is slightly less than the internal diameter of described outer telescopic tube.
5. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as claimed in claim 2, it is characterised in that
Wiper block, described wiper block and described oil-feed outer pipe bottom it is provided with between described oil-feed core pipe and described oil-feed outer tube
Male thread fix with one heart；And,
The top of described mozzle is provided with mozzle righting board；
The bottom of described casing is provided with casing righting board.
6. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as claimed in claim 2, it is characterised in that
It is machined with inner sealing surface in the bottom of described oil-feed core pipe；
It is machined with male thread in the bottom of described oil-feed outer tube；
Be machined with male thread respectively at the top of described packer and bottom, the male thread at described packer top connects oil pipe
Box cupling, the tubing coupling at described packer top is connected with the male thread of the bottom of described oil-feed outer tube；
External seal face, the external seal at described packer core pipe top it is respectively arranged with at the top of described packer core pipe and bottom
Face flushes with the tubing coupling at described packer top, the inner sealing surface bottom described oil-feed core pipe and described packer core pipe top
The external seal face in portion coordinates；
Described core pipe feeding device includes urceolus and feed liquor core pipe, and the middle part in described feed liquor core pipe is provided with inner sealing surface,
The inner sealing surface of described feed liquor core pipe coordinates with the external seal face bottom described packer core pipe, the end in described feed liquor core pipe
It is stifled that portion is provided with the end, is provided with feed pathway at the middle part of described urceolus, and described feed pathway connects inside described feed liquor core pipe
And the space between described urceolus, is machined with interior screw thread respectively at the top of described urceolus and bottom, described urceolus top interior
Screw thread is connected with the male thread bottom described packer.
7. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as claimed in claim 6, it is characterised in that
Interior screw thread bottom described urceolus is connected with sand sediment pipe.
8. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as claimed in claim 2, it is characterised in that
In the gap formed between described transmission oil pipe and described transmission core pipe, the position near top and bottom is respectively arranged with
Wiper block, described wiper block is concentric with described transmission core pipe to be fixed.
9. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as claimed in claim 1, it is characterised in that
In described core pipe ring sky, the position near top and bottom is respectively arranged with wiper block, and described wiper block separates with described
Device core pipe is fixed with one heart.
10. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as claimed in claim 1, it is characterised in that
Be machined with male thread on the top of described separator core pipe, described male thread connects tubing coupling, described tubing coupling
It is connected with oil well pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610996447.8A CN106285620B (en) | 2016-11-13 | 2016-11-13 | High gas-oil ratio (HGOR) oil well gas-liquid piece-rate system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610996447.8A CN106285620B (en) | 2016-11-13 | 2016-11-13 | High gas-oil ratio (HGOR) oil well gas-liquid piece-rate system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106285620A true CN106285620A (en) | 2017-01-04 |
| CN106285620B CN106285620B (en) | 2018-08-14 |
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| CN201610996447.8A Active CN106285620B (en) | 2016-11-13 | 2016-11-13 | High gas-oil ratio (HGOR) oil well gas-liquid piece-rate system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533243A (en) * | 2018-03-16 | 2018-09-14 | 中国科学院力学研究所 | A kind of underground gas-liquid separator |
| CN110242257A (en) * | 2019-05-31 | 2019-09-17 | 中国海洋石油集团有限公司 | A kind of gas hydrates underground pilot production process pipe string |
| CN114382440A (en) * | 2022-01-05 | 2022-04-22 | 烟台杰瑞石油装备技术有限公司 | Oil extraction device |
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| CN206144550U (en) * | 2016-11-13 | 2017-05-03 | 重庆科技学院 | High gas -oil is than oil well gas -liquid separation system |
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| GB2500845A (en) * | 2010-12-30 | 2013-10-02 | Cameron Int Corp | A method for controlling the flow of fluid within a bulk rotating fluid stream |
| CN202012341U (en) * | 2011-04-25 | 2011-10-19 | 高淑梅 | High efficiency gas anchor for screw pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108533243A (en) * | 2018-03-16 | 2018-09-14 | 中国科学院力学研究所 | A kind of underground gas-liquid separator |
| CN110242257A (en) * | 2019-05-31 | 2019-09-17 | 中国海洋石油集团有限公司 | A kind of gas hydrates underground pilot production process pipe string |
| CN114382440A (en) * | 2022-01-05 | 2022-04-22 | 烟台杰瑞石油装备技术有限公司 | Oil extraction device |
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| CN106285620B (en) | 2018-08-14 |
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