CN103726823B - Medium layering equalization entering system and method of parallel multiphase separation equipment - Google Patents
Medium layering equalization entering system and method of parallel multiphase separation equipment Download PDFInfo
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- CN103726823B CN103726823B CN201410025184.7A CN201410025184A CN103726823B CN 103726823 B CN103726823 B CN 103726823B CN 201410025184 A CN201410025184 A CN 201410025184A CN 103726823 B CN103726823 B CN 103726823B
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- 238000000926 separation method Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 238000005191 phase separation Methods 0.000 claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 230000008569 process Effects 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 127
- 239000007789 gas Substances 0.000 claims description 80
- 239000012071 phase Substances 0.000 claims description 59
- 239000003638 chemical reducing agent Substances 0.000 claims description 33
- 239000002609 medium Substances 0.000 claims description 33
- 210000002445 nipple Anatomy 0.000 claims description 27
- 239000008346 aqueous phase Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- 239000003129 oil well Substances 0.000 claims description 9
- 239000012736 aqueous medium Substances 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 8
- 239000007792 gaseous phase Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 238000005070 sampling Methods 0.000 abstract 1
- 230000009183 running Effects 0.000 description 7
- 239000007791 liquid phase Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001804 emulsifying effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The invention discloses a medium layering and balancing entering system and method of parallel multiphase separation equipment, which are applied to treatment of oilfield produced liquid. The system is characterized in that: the inlet manifold (1) is branched into four parallel branch pipelines through a primary manifold (2) and two secondary manifolds (5) and is connected to four parallel multiphase separation devices. The four parallel branch pipelines have the same length and thickness at the same stage; the inlet manifold (1), the primary manifold (2) and the secondary manifold (5) are all connected in a mode of equal pipe bottom elevation. The inlet manifold (1) leads the produced liquid into four three-phase separation devices which are connected in parallel through four branch pipelines which are connected in parallel, and establishes an equivalent and layered flow pattern of oil, gas and water. The sampling test result shows that a gas-liquid layered flow state is formed in each collecting pipe and each branch pipeline of the system, the oil, gas and water entering flow of each device is balanced, the oil-water separation interface is stable, and the integral oil-water separation capacity of the device is improved by 15-20% compared with that of the conventional sequential liquid inlet process.
Description
Technical field:
The present invention relates to the oil of oilfield surface engineering Produced Liquid, gas and water isolation technics, the dielectric stratifying equilibrium being specifically related to a kind of multi-phase separation equipment in parallel enters system and the layering equilibrium access method realized by this system.
Background technology:
At present, the oil gas water three phase separation equipment that domestic and international oil field processes for well product is all taked multiphase medium to be mixed into mode, gas-liquid separation and oil water separation process mainly to carry out in three phase separator. When this kind equipment is arranged in parallel and runs simultaneously, generally take medium antigravity direction order mode of entrance (referring to Fig. 6-Fig. 7). There are the following problems for this medium mode of entrance:
(1) the medium inbound traffics of individual device and composition are unequal
Multiple stage separation equipment 20 when parallel running, 30, 40, 50, medium is branched off into each equipment entrance standpipe 70 by total header 60, when taking order mode of entrance to enter each equipment, the total header 60 being arranged in low elevation location presents gas-liquid layering flow pattern, by making individual device, serious Biased flow phenomenon occurs, occur that the equipment air inlet near header origin or beginning is many, feed liquor is few, and it is many near the equipment feed liquor of header end, the state that air inlet is few, thus causing that the rate-of flow of every equipment of entrance and composition are different, the use condition of change equipment, make certain equipment that poor efficiency operating mode to occur, reduce the overall efficiency of equipment in parallel.
(2) the emulsifying degree of medium is increased with gas-liquid mixed flow pattern access arrangement
Under order mode of entrance, medium is introduced device interior with antigravity direction by one section of vertical entrance standpipe 70 always by single device import from bottom to top, and extends to the pipeline section 80 also inclined flow regime upwards of device interior. Owing to the media flow direction in entrance standpipe section and updip pipeline section and gravity direction have the existence of the dynamic phenomenon of counter current flow, in inlet duct, stronger oil gas water three phase turbulent fluctuation mixing flow pattern is produced by making medium, increase emulsifying degree and the separating difficulty of profit, reduce the disposal ability of equipment.
(3) separating power of equipment entrance pipeline is not obtained by
The total header 60 of heavy caliber arranged for this kind of separation equipment realizes parallel running and single device input duct, it is respectively provided with certain volume and separating power, but it is not found and utilizes, have impact on the reduction of the raising of this kind of process equipment and system overall separation efficiency and investment.
Summary of the invention:
For solving the multi-phase separation equipment of existing multiple stage parallel running because taking antigravity direction order feed liquor mode, and the individual device bias current caused, problem that disposal ability is low, the present invention provides the dielectric stratifying equilibrium of a kind of multi-phase separation equipment in parallel to enter System and method for. By being built with the pipeline arrangement being beneficial to oil gas water multiphase medium separation laminar flow, set up gas-liquid laminar flow system to multi-phase separation equipment entrance in parallel, eliminate heterogeneous uneven mixed flow form, guarantee that the single-phase flow of oil gas water entering every separation equipment of parallel running is close to consistent, and make the separating power of entrance pipe be fully used, make equipment and pipe-line system that the overall separation ability of multiphase medium to be improved significantly.
Technical solution of the present invention is:
The dielectric stratifying equilibrium of a kind of multi-phase separation equipment in parallel enters system, the arrival manifold of liquid is carried out including conveying oil well, arrival manifold by one-level header and two grades of headers to be divided into two, two be divided in the way of in the of four branching out four branch lines in parallel, it is respectively connecting to the entrance pipe of four oil gas water three phase separation equipments, wherein, the entrance pipe of arrival manifold, one-level header and two grades of headers, three phase separation equipment, all connects in the way of waiting absolute altitude at the bottom of pipe; Article four, branch line in parallel, for identical pipeline.
Especially, the laying mode that four branch lines in parallel are concrete is: arrival manifold passes through and is connected to one-level header, and the two ends of one-level header are passed through respectively through one-level eccentric reducer and nipple and are connected to two grades of headers; The entrance pipe being connected to three phase separation equipment is passed through, respectively through two grades of eccentric reducers, again in the two ends of each two grades of headers, and the inner pipe of equipment entrance pipeline is arranged in oil gas water three phase separation equipment.
Arrival manifold, one-level header, one-level eccentric reducer, nipple, two grades of headers, two grades of eccentric reducers, equipment entrance pipelines the absolute altitude mode at the bottom of pipe such as are and connect.
Especially, arrival manifold, to wait caliber mode, vertically passes through the 1/2 pipe range place being connected on one-level header; Nipple, to wait caliber mode, vertically passes through the 1/2 pipe range place being connected on two grades of headers.
Especially, the two ends of one-level header are connected to one-level eccentric reducer by 90 �� of elbows and transition nipple, and two grades of headers are connected to two grades of eccentric reducers by 90 �� of elbows, and arrival manifold, nipple, equipment entrance pipeline outside pipeline section trend is consistent.
Additionally, equipment entrance channel interior pipeline section end connects a splitter box, splitter box surrounds a separatory room, splitter box biside plate is under shed deflection plate for oil weir plate, front end-plate, and under shed deflection plate front arranges upper shed weir board, and upper shed weir board front connects collecting chamber, collecting chamber lower end connects aqueduct, oil weir plate side connects oil guide groove, and oil guide groove front end connects oil drain out, and aqueduct, oil drain out all lead to three phase separation equipment.
The weir board of under shed deflection plate and upper shed shifts to install, and the opening absolute altitude of under shed deflection plate is lower than the weir board opening absolute altitude of upper shed.
The layering equilibrium of a kind of oil water gas medium enters the method for separation equipment:
Oil gas aqueous mixtures from oil well group enters one-level header through arrival manifold, and after forming oil gas water three phase layering flow pattern wherein, by oil, gas, aqueous medium is divided into two to wait shunt volume, wherein, sub-thread oil gas water three phase medium is first through one-level eccentric reducer, two grades of headers are entered by nipple, and when keeping oil gas water three phase layering flow pattern wherein, by oil, gas, aqueous medium is divided into two to wait shunt volume, wherein, sub-thread oil gas water three phase medium is through the outside pipeline section of two grades of eccentric reducer access arrangement entrance pipes, through valve access arrangement entrance pipe inner pipe, enter in the separatory room of pipeline section end splitter box structure, oil, gas and water three-phase medium are controlled gas-liquid interface by oil weir plate in separatory room, and gas phase drains into the upper gaseous phase space of three phase separation equipment, oil phase overflows in oil guide groove through oil weir plate, and flows to oil drain out along oil guide groove, through the gap of oil guide groove to apparatus closing end wooden partition place, drops down the gas-liquid interface place to three phase separation equipment under head plate wooden partition, the oil-water interfaces in separatory room are controlled by upper shed weir board, and make the aqueous phase entrance under shed deflection plate in separatory room turn back to upper shed weir board, collecting chamber is flowed into, then, among the aqueous phase below the oil-water interfaces that aqueduct enters three phase separation equipment after covering weir board.
Due to the fact that and take above technical scheme, have the beneficial effect that
Present system with arrival manifold be starting point, individual device internal shunt groove set up each branch line for terminal, take undergauge gradually and each pipe fitting and nipple is isometrical, isometric, etc. absolute altitude, the symmetrical mode laid at the bottom of pipe, and determine its bore forming stable gas-liquid layering flow pattern everywhere at pipeline.Oil gas aqueous mixtures from system entry header with after being layered flow pattern and reaching device interior splitter box, the gas disposal space of gas phase access arrangement, liquid phase respectively enters oil phase and the aqueous phase process space of equipment after profit is tentatively layered, thus the dielectric stratifying equilibrium realizing multiple stage parallel connection three phase separation equipment enters, it is effectively improved its overall separation ability. Sample test results shows, each branch line of this system has been respectively formed gas-liquid laminar flow kenel, individual device oil, gas and water enter flow equalization, and oil-water separation interface is stable, and the overall oil and water separation capability of equipment improves 15-20% than conventional successive feed liquor technique.
Accompanying drawing illustrates:
The layering equilibrium that Figure 1A is parallel connection multi-phase separation equipment of the present invention enters system construction drawing.
Figure 1B is Figure 1A top view.
Fig. 2 is splitter box structure chart in the present invention.
Fig. 3 is the A direction view of Fig. 2.
Fig. 4 is the I-I view of Fig. 2.
Fig. 5 is the II-II view of Fig. 2.
Fig. 6 is multi-phase separation device external entrance pipe mounting structure schematic diagram in prior art.
Fig. 7 is the entrance pipe mounting structure schematic diagram in prior art inside and outside typical three phase separator.
Wherein, each label represents: 1. 6. 2 grades of eccentric reducer 7. equipment entrance pipelines of 5. 2 grades of headers of arrival manifold 2. one-level header 3. one-level eccentric reducer 4. nipple outside pipeline section 8. valve 9. equipment entrance channel interior pipeline section 10. splitter box 11. separatory room 12. oil weir plate 13. under shed deflection plate 14. weir board 15. collecting chamber 16. aqueduct 17. three phase separation equipment 18. oil guide groove 19. oil drain out.
Detailed description of the invention:
The present invention follows following several respects principle and designs:
(1) separation apparatus inlet pipeline oil air water laminar flow kenel is built
Equipment number of units according to the multiphase medium total flow and parallel running that enter separation equipment, formed premised on oil and gas and water laminar flow kenel by the defeated drop requirements of satisfied pipe with in equipment group arrival manifold and single device entrance branch pipeline, it is determined that arrival manifold and the bore of each branch line, length.
(2) version of the decile size entrance branch pipeline of horizontal laying is built
Pipe-line system inner pipe in equipment entrance header in parallel and each single device entrance branch pipeline, outside pipeline section constituted, to wait form level of absolute altitude at the bottom of pipe to lay, sets up the pipeline geometrical condition forming laminar flow; The pipeline section at the same level of each single device entrance branch pipeline is taked same caliber, same to length, isostructural laying form, sets up the decile single-phase medium flow condition of each branch line.
(3) entrance pipeline section end shunting mechanism is set up at device interior
Arranging splitter box at oil gas water three phase separation equipment interior inlet pipeline section end, make oil gas water three phase medium divide gas-liquid two-phase layer to enter splitter box, then under the oil weir plate control with weir board, continuation oil, water separate. Gas phase enters the gas-phase space of oil gas water three phase separation equipment, oil phase enters the gas-liquid interface top of this equipment, aqueous phase enters the oil-water interfaces bottom of this equipment, the oil after entrance pipeline section multi_layer extraction, water two-phase medium is made to continue oil-water separation process to respectively enter in three phase separation equipment in the way of oil phase and aqueous phase, thus significantly weaken oil-water media from equipment entrance line end directly from top waterfall flow into gas-liquid interface this equipment time with oil reservoir produce oil mixing with water intensity, improve equipment overall separation ability.
Therefore, the overall structure that the parallel oil gas water three phase separation equipment dielectric stratifying equilibrium that the present invention builds enters system is as follows:
Referring to 1A-1B, Fig. 2-5, first each component names and effect are described below:
Arrival manifold 1: receive the oil gas aqueous mixtures from oil well group.
One-level header 2: be one and second-class be in charge of, the entrance of one-level header 2 is connected to the outlet of arrival manifold 1, receives the oil gas aqueous mixtures from arrival manifold 1, sets up oil and gas and water laminar-type distribution oil-gas-water three phase flow quantity of halving.
One-level eccentric reducer 3: be connected to two ports of export of one-level header 2, one-level header 2 undergauge is connected to two grades of headers 5.
Nipple 4: be connected between one-level eccentric reducer 3 and two grades of headers 5.
Two grades of headers 5: be also one and second-class be in charge of, have two, are connected on the end of one-level header 2 respectively, receive the oil gas aqueous mixtures from one-level header 2, set up oil and gas and water laminar-type distribution oil-gas-water three phase flow quantity of halving.
Two grades of eccentric reducers 6: two grades of header 5 undergauges are connected to the outside pipeline section 7 of equipment entrance pipeline.
The outside pipeline section 7 of equipment entrance pipeline: oil gas aqueous mixtures is caused equipment entrance channel interior pipeline section 9, and sets up oil and gas and water laminar-type.
Valve 8: be shut on or off equipment entrance pipeline.
Equipment entrance channel interior pipeline section 9: oil gas aqueous mixtures is caused splitter box 10, and sets up oil and gas and water laminar-type.
Splitter box 10: initial gross separation oil gas water three phase medium, and it is drained to three phase separation device interior.
Separatory room 11: discharge gas phase, sets up air-liquid separation flow pattern.
Oil weir plate 12: control the gas-liquid interface of equipment entrance channel interior pipeline section 9 and separatory room, and make the oil phase in separatory room 11 cover this weir plate inflow oil guide groove 18.
Under shed deflection plate 13: the aqueous phase in splitter box is imported collecting chamber 15.
Upper shed weir board 14: control the oil-water interfaces in separatory room 11, and make the aqueous phase come from separatory room 11 cover this weir plate inflow collecting chamber 15.
Collecting chamber 15: receive the aqueous phase from separatory room 11.
Aqueduct 16: the water in collecting chamber is imported below the oil-water interfaces of three phase separation equipment 17.
Three phase separation equipment 17: carry out oil gas water three phase separation.
Oil guide groove 18: receive the oil phase from oil weir plate 12 spilling and guide oil drain out 19 into.
Oil drain out 19: the oil phase in oil guide groove 18 is discharged the end socket wooden partition place to three phase separation equipment 17, and drops down the gas-liquid interface place to three phase separation equipment under this plate.
The annexation of these parts above-mentioned is: the outlet of arrival manifold 1 connects one-level header 2, one-level header 2 is one and second-class is in charge of, two ports of export connect eccentric reducer 3 respectively, the small end of eccentric reducer 3 connects a nipple 4, is connected to two grades of headers 5 by one-level header 2 two ends undergauge and respectively through nipple 4. Two grades of headers 5 are also one and second-class are in charge of, and two ports of export of each two grades of headers 5 are connected to the outside pipeline section 7 of separation apparatus inlet pipeline respectively through two grades of eccentric reducers 6 again. Therefore 4 set separate unit separation equipments can be connected by two two grades of headers 5. The outside pipeline section 7 of equipment entrance pipeline connects equipment entrance channel interior pipeline section 9, arranges valve 8 between them. By equipment entrance channel interior pipeline section 9, oil gas aqueous mixtures caused the splitter box 10 within separation equipment.
Above-mentioned arrival manifold 1 with wait caliber, etc. absolute altitude mode at the bottom of pipe, vertically pass through the 1/2 pipe range place being connected to one-level header 2; Further, the two ends of one-level header 2 first connect 90 �� of elbows, are connected to one-level eccentric reducer 3 again through a transition nipple so that arrival manifold 1 moves towards consistent with nipple 4.
Above-mentioned nipple 4 also with wait caliber, etc. absolute altitude mode at the bottom of pipe, vertically pass through the 1/2 pipe range place being connected to two grades of headers 5;Further, the two ends of two grades of headers 5 first connect 90 �� of elbows, it is connected to two grades of eccentric reducers 6 again through elbow, two grades of eccentric reducers 6 is horizontally connected to the outside pipeline section 7 of equipment entrance pipeline so that the outside pipeline section 7 of equipment entrance pipeline moves towards consistent with nipple 4.
The caliber of one-level header 2, more than the caliber of two grades of headers 5, is generally 2 times of relations.
Above-mentioned, arrival manifold 1, one-level header 2,3,90 �� of elbows of one-level eccentric reducer, transition nipple, nipple 5, two grades of eccentric reducers 6 of 4, two grades of headers, equipment entrance pipeline outside pipeline section 7, equipment entrance channel interior pipeline section 9, these all connect in the way of waiting absolute altitude at the bottom of pipe.
Oil gas aqueous mixtures from oil well group enters one-level header 2 through arrival manifold 1, and after forming oil gas water three phase layering flow pattern wherein, by oil, gas, aqueous medium is divided into bisection flow, wherein, sub-thread oil gas water three phase medium is first through one-level eccentric reducer 3, two grades of headers 5 are entered by nipple 4, and when keeping oil gas water three phase layering flow pattern, again by sub-thread flow oil, gas, aqueous medium is divided into bisection flow, again halved oil gas water three phase medium is through the outside pipeline section 7 of two grades of eccentric reducer 6 access arrangement entrance pipes, through valve 8 access arrangement entrance pipe inner pipe 9, and keep oil wherein, gas, water stratification flow pattern, enter in this pipeline section end splitter box 10.
Rely on the two-stage shunting of one-level header 2 and two grades of headers 5, the flow of arrival manifold 1 is divided into 4 parts, reduce and manage defeated pressure drop. By pipe in line to wait absolute altitude mode at the bottom of pipe to connect, build oil and gas and water laminar flow kenel in equipment entrance branch line in parallel, set up the pipeline geometrical condition of laminar flow.
Simultaneously, it is preferred that, arrival manifold 1 accesses from 1/2 pipe range place of one-level header 2, and nipple 4 also accesses from 1/2 pipe range place of two grades of headers 5; Arrival manifold 1 is connected with one-level header 2 caliber such as grade, and nipple 4 is connected with two grades of headers 5 caliber such as grade, built each single device along journey peer pipeline isometric, etc. Diameter distribution state, establish the decile single-phase medium flow condition of each single device.
In order to slow down three phase separation equipment later stage oil and gas and water tripping power, end at equipment entrance channel interior pipeline section 9 connects a splitter box 10, carry out pre-separation, after making oil gas water three phase dielectric stratifying enter splitter box, under oil weir plate 12 with the control of weir board 14, continue oil and gas and water layer separate process, then gas phase enters the gas-phase space of oil gas water three phase separation equipment, oil phase enters the gas-liquid interface top of this equipment, aqueous phase enters the oil-water interfaces bottom of this equipment, make the oil after entrance pipe multi_layer extraction, water two-phase medium continues oil-water separation process to respectively enter in three phase separation equipment in the way of oil phase and aqueous phase.
As shown in Figure 2-5, at the in-built diffluence system of three phase separation equipment 17 it is: splitter box 10 is connected to the end of equipment entrance channel interior pipeline section 9, the space surrounded by splitter box 10 is called separatory room 11, two side plates of splitter box are oil weir plate 12, the front apron of splitter box is a under shed deflection plate 13, and under shed deflection plate 13 makes the liquid stream of separatory room can flow out from the under shed of deflection plate 13. In under shed deflection plate 13 front, one upper shed weir board 14 is set, the lucky mutual dislocation opening of weir board 14 of under shed deflection plate 13 and upper shed, and the lower end absolute altitude of under shed deflection plate 13 is lower than the upper end absolute altitude (having a dislocation absolute altitude) of the weir board 14 of upper shed, so, the liquid flowed out from the lower end of under shed deflection plate 13 forms a fluidised form upwards turned back when arriving upper shed weir board 14.
Oil, gas and water three-phase medium are controlled the gas-liquid interface in equipment entrance channel interior pipeline section 9 and separatory room 11 by oil weir plate 12 in separatory room 11, and gas phase drains into the upper gaseous phase space of three phase separation equipment 17.
Upper shed weir board 14 front connects collecting chamber 15, collecting chamber 15 bottom connects aqueduct 16, the oil-water interfaces in separatory room 11 are controlled by upper shed weir board 14, and make aqueous phase in separatory room 11 enter under shed deflection plate 13 to turn back to weir board 14 and cover weir board 14 and flow into collecting chamber 15, then, enter through aqueduct 16 among the aqueous phase of below three phase separation equipment 17 oil-water interfaces.
The side of oil weir plate 12 connects oil guide groove 18, oil guide groove 18 connects oil drain out 19, oil drain out leads in three phase separation equipment 17, oil phase overflows in oil guide groove 18 through oil weir plate 12, and flow to oil drain out 19 along oil guide groove 18, oil phase in oil guide groove 18 is discharged the end socket wooden partition place to three phase separation equipment 17 by oil drain out 19, and drops down the gas-liquid interface place to three phase separation equipment under this plate.
As can be seen here, the dielectric stratifying equilibrium access method of a kind of multi-phase separation equipment in parallel of the present invention, its technological process is:
Oil gas aqueous mixtures from oil well group enters one-level header 2 through arrival manifold 1, and after forming oil gas water three phase layering flow pattern wherein, by oil, gas, aqueous medium is divided into 2 to wait shunt volume, wherein, sub-thread oil gas water three phase medium is first through one-level eccentric reducer 3, two grades of headers 5 are entered by nipple 4, and when keeping oil gas water three phase layering flow pattern wherein, by oil, gas, aqueous medium is divided into 2 to wait shunt volume, wherein, sub-thread oil gas water three phase medium is through the outside pipeline section 7 of two grades of eccentric reducer 6 access arrangement entrance pipes, through valve 8 access arrangement entrance pipe inner pipe 9, and keep oil wherein, gas, water stratification flow pattern, enter the separatory room 11 in this pipeline section end splitter box 10, oil, gas and water three-phase medium are controlled the gas-liquid interface in equipment entrance channel interior pipeline section 9 and separatory room 11 by oil weir plate 12 in separatory room 11, and gas phase drains into the upper gaseous phase space of three phase separation equipment 17, oil phase overflows in oil guide groove 18 through oil weir plate 12, and flows to oil drain out 19 along oil guide groove 18, through the gap at oil guide groove 18 to apparatus closing end wooden partition place, drops down the gas-liquid interface place to three phase separation equipment 17 under this wooden partition, aqueous phase in separatory room 11 enters under shed deflection plate 13 and turns back to upper shed weir board 14 and cover weir board inflow collecting chamber 15, the oil-water interfaces in separatory room 11 are controlled by upper shed weir board 14, then, enter through aqueduct among the aqueous phase of below three phase separation 7 oil-water interfaces.
The technique effect of the present invention is described below for two example two:
Embodiment-1: pass through technological transformation, establishing the built �� 4 �� 24m three phase separator group balanced entrance system of layering of a set of 2 parallel runnings, entrance medium is the ultra-high water-containing crude oil with high solidifying point oil gas aqueous mixtures that liquid phase moisture content is 95.3% coming from oil well group. After this system that comes into operation, the oil-water interfaces of 2 equipment tend towards stability unanimously, and overall oil-water separation disposal ability improves 20% than for the conventional successive entrance technique before transformation.
Embodiment-2: in construction of oilfield productivity engineering overseas, �� 3.4 �� 20m three phase separator group balanced entrance the system of layering of newly-built a set of 4 parallel runnings, entrance medium is the crude oil of low-coagulation oil gas aqueous mixtures that liquid phase moisture content is 50% coming from oil well group. After this system that comes into operation, the oil-water interfaces of 4 equipment tend towards stability unanimously, and overall oil-water separation disposal ability enters technique than conventional successive and improves 15%.
Claims (4)
1. the dielectric stratifying equilibrium of a multi-phase separation equipment in parallel enters system, the arrival manifold (1) of liquid is carried out including conveying oil well, it is characterized in that: arrival manifold (1) by one-level header (2) and two grades of headers (5) to be divided into two, two be divided in the way of in the of four branching out four branch lines in parallel, it is respectively connecting to the entrance pipe of four oil gas water three phase separation equipments (17), wherein
The entrance pipe of arrival manifold (1), one-level header (2) and two grades of headers (5), three phase separation equipment (17), all connects in the way of waiting absolute altitude at the bottom of pipe;
Article four, branch line in parallel, for identical pipeline;
Article four, the concrete laying mode of branch line in parallel is: arrival manifold (1) passes through and is connected to one-level header (2), and the two ends of one-level header (2) are passed through respectively through one-level eccentric reducer (3) and nipple (4) and are connected to one two grades headers (5); The entrance pipe being connected to three phase separation equipment (17) is passed through, respectively through two grades of eccentric reducers (6), again in the two ends of each two grades of headers (5), and the inner pipe (9) of equipment entrance pipeline is arranged in oil gas water three phase separation equipment;
Arrival manifold (1), one-level header (2), one-level eccentric reducer (3), nipple (4), two grades of headers (5), two grades of eccentric reducers (6), equipment entrance pipelines the absolute altitude mode at the bottom of pipe such as are and connect;
Equipment entrance channel interior pipeline section (9) end connects a splitter box (10), splitter box (10) surrounds a separatory room (11), splitter box (10) biside plate is oil weir plate (12), front end-plate is under shed deflection plate (13), under shed deflection plate (13) front arranges upper shed weir board (14), upper shed weir board (14) front connects collecting chamber (15), collecting chamber (15) lower end connects aqueduct (16), oil weir plate (12) side connects oil guide groove (18), oil guide groove (18) front end connects oil drain out (19), aqueduct (16), oil drain out (19) all leads to three phase separation equipment (17),
The weir board (14) of under shed deflection plate (13) and upper shed shifts to install, and the opening absolute altitude of under shed deflection plate (13) is lower than weir board (14) the opening absolute altitude of upper shed.
2. the dielectric stratifying equilibrium of multi-phase separation equipment in parallel according to claim 1 enters system, it is characterised in that: arrival manifold (1), to wait caliber mode, vertically passes through the 1/2 pipe range place being connected on one-level header (2); Nipple (4), to wait caliber mode, vertically passes through the 1/2 pipe range place being connected on two grades of headers (5).
3. the dielectric stratifying equilibrium of multi-phase separation equipment in parallel according to claim 1 and 2 enters system, it is characterized in that: the two ends of one-level header (2) are connected to one-level eccentric reducer (3) by 90 �� of elbows and transition nipple, two grades of headers (5) are connected to two grades of eccentric reducers (6) by 90 �� of elbows, and arrival manifold (1), nipple (4), equipment entrance pipeline outside pipeline section (7) trend is consistent.
4. the method that oil water gas medium layering equilibrium enters separation equipment, utilizes the arbitrary described system of claim 1-3, and process is:
Oil gas aqueous mixtures from oil well group enters one-level header (2) through arrival manifold (1), and after forming oil gas water three phase layering flow pattern wherein, by oil, gas, aqueous medium is divided into two to wait shunt volume, wherein, sub-thread oil gas water three phase medium is first through one-level eccentric reducer (3), two grades of headers (5) are entered by nipple (4), and when keeping oil gas water three phase layering flow pattern wherein, by oil, gas, aqueous medium is divided into two to wait shunt volume, wherein, sub-thread oil gas water three phase medium is through the outside pipeline section (7) of two grades of eccentric reducer (6) access arrangement entrance pipes, through valve (8) access arrangement entrance pipe inner pipe (9), enter in the separatory room (11) that pipeline section end splitter box (10) constructs,Oil, gas and water three-phase medium are controlled gas-liquid interface by oil weir plate (12) in separatory room (11), and gas phase drains into the upper gaseous phase space of three phase separation equipment (17); Oil phase overflows in oil guide groove (18) through oil weir plate (12), and flow to oil drain out (19) along oil guide groove (18), through the gap of oil guide groove (18) to apparatus closing end wooden partition place, under head plate wooden partition, drop down the gas-liquid interface place to three phase separation equipment (17); The oil-water interfaces in separatory room (11) are controlled by upper shed weir board (14), and make aqueous phase entrance under shed deflection plate (13) in separatory room (11) turn back to upper shed weir board (14), collecting chamber (15) is flowed into after covering weir board, then, enter through aqueduct among the aqueous phase of below the oil-water interfaces of three phase separation equipment (17).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410025184.7A CN103726823B (en) | 2013-01-21 | 2014-01-20 | Medium layering equalization entering system and method of parallel multiphase separation equipment |
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| CN201410025184.7A CN103726823B (en) | 2013-01-21 | 2014-01-20 | Medium layering equalization entering system and method of parallel multiphase separation equipment |
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| CN104265273B (en) * | 2014-09-22 | 2016-03-09 | 中国石油大学(华东) | Horizontal well in segments completion becomes a mandarin testing arrangement and method of testing |
| CN207778023U (en) * | 2016-12-06 | 2018-08-28 | 中国石油天然气股份有限公司 | Pipeline structure body for equal-flow distribution of oil-gas-water multiphase medium |
| CN207775152U (en) * | 2016-12-06 | 2018-08-28 | 中国石油天然气股份有限公司 | Process automatic control pipeline system and multi-phase medium separation and dehydration system |
| CN107143321A (en) * | 2017-07-05 | 2017-09-08 | 中国石油大学(华东) | A kind of finger-like slug flow dissipation separator |
| CN108549420A (en) * | 2018-04-13 | 2018-09-18 | 中国石油工程建设有限公司北京设计分公司 | A kind of flow control methods and system for multiple row field devices |
| CN108982345B (en) * | 2018-08-15 | 2021-03-09 | 中国石油天然气股份有限公司 | Equal-flow-quantity type multistage-flow-velocity mixed transportation pipeline erosion field test device |
| CN111467839A (en) * | 2020-04-21 | 2020-07-31 | 西南石油大学 | Oil-gas-water net pipe type multistage separation device and method |
| CN112358891B (en) * | 2021-01-12 | 2021-04-13 | 森诺科技有限公司 | Double-layer cavity full-gravity-balance oil-gas-water treatment integrated device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4424068A (en) * | 1982-12-06 | 1984-01-03 | Mcmillan John F | Separator and method for separation of oil, gas and water |
| EP1353038A1 (en) * | 2002-04-08 | 2003-10-15 | Cooper Cameron Corporation | Subsea process assembly |
| CN101025252A (en) * | 2007-03-29 | 2007-08-29 | 大庆油田有限责任公司 | Oil-gas multi-phase mixed delivering pump inlet flow-harmonization device |
| CN201241690Y (en) * | 2008-08-19 | 2009-05-20 | 寿焕根 | Oil, water and gas three-phase automatic separated metering device |
| CN202012339U (en) * | 2011-03-31 | 2011-10-19 | 西安长庆科技工程有限责任公司 | Oil-water-gas three-phase separating device for oil field |
| CN102489045A (en) * | 2011-12-02 | 2012-06-13 | 西安交通大学 | Gas-liquid two-phase self-adaption constant flow distributor |
-
2014
- 2014-01-20 CN CN201410025184.7A patent/CN103726823B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4424068A (en) * | 1982-12-06 | 1984-01-03 | Mcmillan John F | Separator and method for separation of oil, gas and water |
| EP1353038A1 (en) * | 2002-04-08 | 2003-10-15 | Cooper Cameron Corporation | Subsea process assembly |
| CN101025252A (en) * | 2007-03-29 | 2007-08-29 | 大庆油田有限责任公司 | Oil-gas multi-phase mixed delivering pump inlet flow-harmonization device |
| CN201241690Y (en) * | 2008-08-19 | 2009-05-20 | 寿焕根 | Oil, water and gas three-phase automatic separated metering device |
| CN202012339U (en) * | 2011-03-31 | 2011-10-19 | 西安长庆科技工程有限责任公司 | Oil-water-gas three-phase separating device for oil field |
| CN102489045A (en) * | 2011-12-02 | 2012-06-13 | 西安交通大学 | Gas-liquid two-phase self-adaption constant flow distributor |
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