CN114540076A - Crude oil extraction liquid double-field processing device - Google Patents
Crude oil extraction liquid double-field processing device Download PDFInfo
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- CN114540076A CN114540076A CN202210274428.XA CN202210274428A CN114540076A CN 114540076 A CN114540076 A CN 114540076A CN 202210274428 A CN202210274428 A CN 202210274428A CN 114540076 A CN114540076 A CN 114540076A
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- 239000007788 liquid Substances 0.000 title claims abstract description 101
- 239000010779 crude oil Substances 0.000 title claims abstract description 41
- 238000012545 processing Methods 0.000 title claims description 52
- 238000000605 extraction Methods 0.000 title claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 133
- 238000004581 coalescence Methods 0.000 claims abstract description 113
- 239000003921 oil Substances 0.000 claims abstract description 105
- 239000000945 filler Substances 0.000 claims abstract description 50
- 239000003814 drug Substances 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 239000004576 sand Substances 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 17
- 230000008676 import Effects 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 11
- 238000004062 sedimentation Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 238000005191 phase separation Methods 0.000 claims description 6
- 230000002776 aggregation Effects 0.000 claims 3
- 238000004220 aggregation Methods 0.000 claims 3
- 230000009471 action Effects 0.000 abstract description 12
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000839 emulsion Substances 0.000 description 11
- 238000005192 partition Methods 0.000 description 11
- 238000011010 flushing procedure Methods 0.000 description 10
- 239000010865 sewage Substances 0.000 description 9
- 230000018044 dehydration Effects 0.000 description 7
- 238000006297 dehydration reaction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000009297 electrocoagulation Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000004744 fabric Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002569 water oil cream Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000007764 o/w emulsion Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
Abstract
The invention discloses a crude oil produced liquid double-field treatment device which comprises a coalescence chamber and an ultrasonic chamber which are communicated, wherein a first treatment filler is arranged in the coalescence chamber, a vibration element is arranged in the ultrasonic chamber, the vibration element is connected with an external ultrasonic generator, the ultrasonic chamber can be connected with an external dosing mechanism, and the external dosing mechanism can convey a medicament into the ultrasonic chamber. The produced liquid enters a coalescence chamber, oil and water are separated through the surface coalescence action of a first treatment filler, the separated water-containing oil enters an ultrasonic chamber, a demulsifier is input into the ultrasonic chamber by an external dosing mechanism, and a vibration element can accelerate the diffusion of the medicament and is beneficial to the full mixing of the medicament and the water-containing oil.
Description
Technical Field
The invention relates to the technical field of oilfield development, in particular to a crude oil produced liquid double-field processing device.
Background
In the development period of high water content, the produced liquid is mostly oil-in-water emulsion or complex emulsion in which oil-in-water and water-in-oil alternately appear, the interfacial film strength is high, the emulsion is very stable, the conventional and newly synthesized demulsifiers are independently adopted, the satisfactory demulsification effect is difficult to achieve, and the treatment difficulty and the cost of the produced liquid are increased. In addition, a part of the united stations adopt a process of adding the demulsifier into the incoming well drainage, and because the incoming well drainage liquid has higher water content and low temperature, most of the demulsifier is lost along with water after being added, the demulsifier is difficult to be effectively dispersed to an oil-water interface of emulsion, so that the treatment cost is increased, and meanwhile, the demulsification effect is limited only by a medicament, and the dehydration rate is still lower.
The ultrasonic dehydration technology has the characteristics of low energy consumption, no pollution to crude oil, cleanness, high efficiency and the like, and particularly provides an effective and economic way for dehydrating thick oil emulsified oil with higher viscosity. The medium can be subjected to the mechanical action, the cavitation action, the thermal action and the like of the ultrasonic field when being placed in the ultrasonic field, and the ultrasonic wave has better conductivity in oil and water, so that the method is suitable for various types of emulsions, can quickly realize the demulsification of crude oil, and greatly improves the dehydration efficiency.
Most of research works aiming at the ultrasonic demulsification technology are laboratory-scale and have less industrial application really because the ultrasonic demulsification mechanism is not clear, the theoretical analysis is difficult, a proper mathematical amplification model is difficult to obtain and the industrial application of the technology is influenced; on the other hand, the ultrasonic demulsification equipment is not suitable.
Therefore, how to change the current situation that the treatment efficiency of the emulsion produced liquid is lower after the oil field enters a high water content development period in the prior art becomes a problem to be solved by technical personnel in the field.
Disclosure of Invention
The invention aims to provide a crude oil produced liquid double-field treatment device, which is used for solving the problems in the prior art, improving the treatment efficiency of the produced liquid and reducing the development cost of an oil field.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a crude oil produced liquid double-field processing device, which comprises:
the system comprises a coalescence chamber, a first treatment filler and a second treatment filler, wherein the coalescence chamber can be communicated with produced liquid, the first treatment filler is a coalescence filler, and the produced liquid can be subjected to oil-gas-water three-phase separation in the coalescence chamber;
the ultrasonic chamber, the indoor vibrating element that is provided with of ultrasonic, vibrating element links to each other with outside supersonic generator, the ultrasonic chamber can link to each other with outside medicine mechanism, outside medicine mechanism can to carry the medicament in the ultrasonic chamber, the coalescence room with the intercommunication mouth of ultrasonic chamber is located the top of first processing filler, the aqueous oil that the extraction liquid separates can get into in the ultrasonic chamber and with the vibrating element contact.
Preferably, two field processing apparatus of crude oil extraction liquid still include the rectification room, the rectification room is connected with the preseparation section of thick bamboo, the preseparation section of thick bamboo is provided with oil gas water import, oil gas water import with the inner chamber of rectification room is linked together, the extraction liquid can by oil gas water import gets into in the rectification room, oil gas water import is connected with the feed liquor connecting pipe, the feed liquor connecting pipe is kept away from the one end of oil gas water import stretches into in the rectification room, the rectification room with the coalescence chamber is linked together, the rectification room with the intercommunication mouth of coalescence chamber is located the bottom of first processing filler, just the rectification room with the intercommunication mouth of coalescence chamber is located the top of feed liquor connecting pipe export.
Preferably, the rectification chamber with set up feed liquor overflow plate and feed liquor cowling panel between the coalescence room, the bottom of feed liquor overflow plate with the bottom inner wall of rectification chamber links to each other, the top of feed liquor overflow plate with the clearance has between the top inner wall of rectification chamber, the export of feed liquor connecting pipe is located the inner chamber bottom of rectification chamber, just the export orientation of feed liquor connecting pipe is kept away from one side of feed liquor overflow plate, the top of feed liquor cowling panel with the top inner wall of coalescence chamber links to each other, the bottom of feed liquor cowling panel with the clearance has between the bottom inner wall of coalescence chamber.
Preferably, the first processing filler comprises a rectifying and coalescing module and an electrocoagulation module, wherein the electrocoagulation module is positioned at the top of the rectifying and coalescing module, and is connected with an external high-frequency pulse power supply; and a heating coil is arranged between the rectification coalescence module and the electric coalescence module, and is communicated with an external heating medium by utilizing a heating medium inlet and outlet.
Preferably, the bottom of the coalescence chamber is provided with an anti-surge plate, and the anti-surge plate is of a porous plate structure;
the coalescence chamber still includes gas outlet, coalescence water outlet and dashes the husky water import, the gas outlet coalesce the water outlet with dash husky water import all with the inner chamber of coalescence chamber is linked together, the coalescence chamber still is connected with gas collection package and sand bag, the gas outlet set up in on the gas collection package, the gas collection package is located the top of coalescence chamber, the coalescence water outlet is located the bottom of coalescence chamber, coalescence water outlet sets up the vortex breaker, dash husky water import set up in on the sand bag, dash husky water import still be connected with and dash husky water pipe.
Preferably, an oil collecting plate is arranged in the coalescing chamber, an oil collecting groove is formed in the oil collecting plate, the oil collecting plate is positioned at the top of the first treatment filler, and the oil collecting plate extends to a communication port of the coalescing chamber and the ultrasonic chamber;
the oil receiving groove is a U-shaped through groove with an opening at the top.
Preferably, the ultrasonic chamber is provided with a plurality of horizontal partition plates, the plurality of horizontal partition plates are connected with the inner wall of the ultrasonic chamber, the horizontal partition plates divide the ultrasonic chamber into processing channels, the processing channels are a plurality of continuous S-shaped structures connected end to end, and the vibrating elements are arranged in the processing channels.
Preferably, the ultrasonic chamber is provided with a flange connecting port and a dosing port, the vibration elements can be connected with the flange connecting port and extend into the ultrasonic chamber, the number of the flange connecting ports is multiple, and the vibration elements are arranged in parallel; the vibration element is a pulse type ultrasonic vibrator; the dosing port is communicated with the ultrasonic chamber and is connected with an external dosing mechanism.
Preferably, the crude oil produced liquid double-field treatment device further comprises a settling chamber, the settling chamber is communicated with the ultrasonic chamber, a second treatment filler is arranged in the settling chamber, the second treatment filler is a water treatment deep oil removal filler, and a communication port of the settling chamber and the ultrasonic chamber is positioned at the bottom of the second treatment filler;
the settling chamber further comprises an oil outlet and a settling water outlet, the oil outlet and the settling water outlet are communicated with an inner cavity of the settling chamber, the oil outlet is formed in the top of the settling chamber, the settling chamber is connected with a settling water bag, the settling water bag is formed in the bottom of the settling chamber, and the settling water outlet is formed in the settling water bag.
Preferably, the ultrasonic chamber utilizes the liquid distribution pipe with the settling chamber is linked together, the one end of liquid distribution pipe with the ultrasonic chamber is linked together, the other end of liquid distribution pipe stretches into in the settling chamber, set up a plurality of through-holes on the lateral wall of liquid distribution pipe.
Compared with the prior art, the invention has the following technical effects: the crude oil produced liquid double-field processing device comprises a coalescence chamber and an ultrasonic chamber which are communicated, wherein the coalescence chamber can be communicated with produced liquid, a first processing filler is arranged in the coalescence chamber, the first processing filler is a coalescence filler, and the produced liquid can be subjected to oil, gas and water three-phase separation in the coalescence chamber; the ultrasonic chamber is internally provided with a vibrating element which is connected with an external ultrasonic generator, the ultrasonic chamber can be connected with an external dosing mechanism, the external dosing mechanism can convey a medicament into the ultrasonic chamber, a communication port of the coalescence chamber and the ultrasonic chamber is positioned at the top of the first treatment filler, and water-containing oil separated from produced liquid can enter the ultrasonic chamber and is contacted with the vibrating element.
When the crude oil produced liquid double-field treatment device works, produced liquid enters the coalescence chamber, oil and water are separated through the surface coalescence action of the first treatment filler, separated water-containing oil enters the ultrasonic chamber, the demulsifier is input into the ultrasonic chamber by the external dosing mechanism, the vibration element can accelerate the diffusion of the medicament, so that the medicament and the water-containing oil are fully mixed, meanwhile, under the vibration action of the vibration element, the contact surface of the medicament and oil-water emulsion is enlarged, the oil-water interfacial tension is reduced, and the oil dehydration speed is increased, so that the treatment efficiency of the emulsion produced liquid is effectively improved, the medicament waste is avoided, and the production cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a crude oil produced fluid dual-field processing device of the present invention;
FIG. 2 is a schematic structural diagram of an oil recovery plate of the crude oil produced liquid dual-field processing device of the invention;
FIG. 3 is a schematic side view of an ultrasonic chamber of a crude oil produced fluid dual field treatment apparatus of the present invention;
FIG. 4 is a schematic structural diagram of a vibrating element of the crude oil produced fluid dual-field processing device of the present invention.
The device comprises a coalescence chamber 1, an ultrasonic chamber 2, a vibration element 3, a rectification chamber 4, a preseparating cylinder 5, an oil-gas-water inlet 6, a liquid inlet connecting pipe 7, a liquid inlet overflow plate 8, a liquid inlet rectification plate 9, a rectification coalescence module 10, an electric coalescence module 11, a high-frequency power supply lead interface 12, an anti-surge plate 13, an air outlet 14, a coalescence water outlet 15, a sand flushing water inlet 16, a gas collecting bag 17, a sand bag 18, a sand flushing water pipe 19, an anti-vortex device 20, an oil collecting plate 21, an oil collecting groove 22, a horizontal partition plate 23, a flange connecting port 24, a medicine adding port 25, a sedimentation chamber 26, a second processing filler 27, an oil outlet 28, a sedimentation water outlet 29, a sedimentation water outlet 30, a sedimentation water bag 31, a liquid level meter interface 32, a liquid distribution pipe 33, an ultrasonic overflow plate 33, an ultrasonic baffle 34 and a heating medium inlet and outlet 35.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a crude oil produced liquid double-field treatment device, which is used for solving the problems in the prior art, improving the treatment efficiency of the produced liquid and reducing the development cost of an oil field.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-4, fig. 1 is a schematic structural diagram of a crude oil produced fluid dual-field processing device of the present invention, fig. 2 is a schematic structural diagram of an oil collecting plate of the crude oil produced fluid dual-field processing device of the present invention, fig. 3 is a schematic side view of an ultrasonic chamber of the crude oil produced fluid dual-field processing device of the present invention, and fig. 4 is a schematic structural diagram of a vibrating element of the crude oil produced fluid dual-field processing device of the present invention.
The invention provides a crude oil produced liquid double-field processing device which comprises a coalescence chamber 1 and an ultrasonic chamber 2 which are communicated, wherein the coalescence chamber 1 can be communicated with produced liquid, a first processing filler is arranged in the coalescence chamber 1, the first processing filler is a coalescence filler, and the produced liquid can be subjected to oil-gas-water three-phase separation in the coalescence chamber 1; the ultrasonic chamber 2 is internally provided with a vibrating element 3, the vibrating element 3 is connected with an external ultrasonic generator, the ultrasonic chamber 2 can be connected with an external dosing mechanism, the external dosing mechanism can convey a medicament into the ultrasonic chamber 2, a communication port of the coalescence chamber 1 and the ultrasonic chamber 2 is positioned at the top of a first treatment filler, and water-containing oil separated from produced liquid can enter the ultrasonic chamber 2 and is contacted with the vibrating element 3.
When the crude oil produced liquid double-field treatment device works, produced liquid enters the coalescence chamber 1, oil and water are separated through the surface coalescence action of the first treatment filler, separated water-containing oil enters the ultrasonic chamber 2, the demulsifier is input into the ultrasonic chamber 2 by the external dosing mechanism, the vibration element 3 can accelerate the diffusion of the medicament, the medicament and the water-containing oil are favorably and fully mixed, meanwhile, under the vibration action of the vibration element 3, the contact surface of the medicament and an oil-water emulsion is enlarged, the oil-water interfacial tension is reduced, the oil dehydration speed is increased, the treatment efficiency of the emulsion produced liquid is effectively improved, the medicament waste is avoided, and the production cost is saved. It should be explained here that "double field" in the present invention means that "three-phase separation treatment field" and "ultrasonic demulsification treatment field" are combined for double treatment, thereby effectively reducing the water content of crude oil and the oil content of sewage, and improving the exploitation efficiency of oil field.
Wherein, two field processing apparatus of crude oil extraction liquid still includes rectification chamber 4, rectification chamber 4 is connected with preseparation section of thick bamboo 5 in advance, preseparation section of thick bamboo 5 is provided with oil gas water inlet 6, oil gas water inlet 6 is linked together with the inner chamber of rectification chamber 4, the extraction liquid can be by oil gas water inlet 6 entering rectification chamber 4 in, oil gas water inlet 6 is connected with feed liquor connecting pipe 7, the one end that oil gas water inlet 6 was kept away from to feed liquor connecting pipe 7 stretches into rectification chamber 4 in, rectification chamber 4 is linked together with coalescence chamber 1, rectification chamber 4 is located the bottom that first processing packed with the intercommunication mouth of coalescence chamber 1, and rectification chamber 4 is located the top of 7 exports of feed liquor connecting pipe with the intercommunication mouth of coalescence chamber 1. The produced liquid enters the liquid inlet connecting pipe 7 from the oil-gas water inlet 6 and then flows into the rectifying chamber 4, and the interface film thickness and the stability of the emulsion produced liquid are reduced under the water washing action of the rectifying chamber 4, so that convenience is provided for the subsequent treatment process, and the treatment working efficiency of the produced liquid is further improved.
Specifically, set up feed liquor overflow plate 8 and feed liquor cowling panel 9 between rectification room 4 and the coalescence room 1, the bottom of feed liquor overflow plate 8 links to each other with the bottom inner wall of rectification room 4, the clearance has between the top of feed liquor overflow plate 8 and the top inner wall of rectification room 4, the export of feed liquor connecting pipe 7 is located the inner chamber bottom of rectification room 4, and the export orientation of feed liquor connecting pipe 7 keeps away from one side of feed liquor overflow plate 8, the top of feed liquor cowling panel 9 links to each other with the top inner wall of coalescence room 1, the clearance has between the bottom of feed liquor cowling panel 9 and the bottom inner wall of coalescence room 1. A liquid inlet overflow plate 8 and a liquid inlet rectifying plate 9 are arranged between the rectifying chamber 4 and the coalescing chamber 1, so that the produced liquid is rectified and then enters the coalescing chamber 1, and part of impurities in the produced liquid can be removed, thereby providing convenience for subsequent treatment; the outlet of the liquid inlet connecting pipe 7 faces to one side far away from the liquid inlet overflow plate 8, so that the rectifying chamber 4 can play a role, and the produced liquid is prevented from directly flowing into the coalescing chamber 1.
In this embodiment, the first treatment filler includes a rectification coalescence module 10 and an electrocoagulation module 11, the electrocoagulation module 11 is located on top of the rectification coalescence module 10, the electrocoagulation module 11 is connected with an external high-frequency pulse power supply by using a high-frequency power supply leading electrical interface 12, the rectification coalescence module 10 has rectification and coalescence effects, reduces the influence of fluctuation of an oil-water interface on two phases of oil and water, and the electrocoagulation module 11 has effects of filler surface coalescence and electric field space coalescence when separating oil and water, thereby improving oil-water separation efficiency; in practical application, the specific form of the first treatment filler can be selected and matched according to the properties of the oil product, so that the flexibility and the adaptability of the device are improved, and meanwhile, the production cost is saved.
It should also be noted that a heating coil is arranged between the rectifying and coalescing module 10 and the electrocoagulation module 11, the heating coil is communicated with an external heating medium through a heating medium inlet and outlet 35 to heat the produced liquid, raise the settling temperature and reduce the viscosity, the heating medium can be hot water or steam, and the heating coil is horizontally arranged to save space. The bottom of coalescence room 1 sets up prevents surge board 13, prevents that surge board 13 is located the bottom of first processing filler, prevents that surge board 13 is the porous plate structure, and it is undulant to reduce the interior liquid layer of device, improves the reliability of device.
In addition, the coalescence chamber 1 further comprises a gas outlet 14, a coalescence water outlet 15 and a sand flushing water inlet 16, the gas outlet 14, the coalescence water outlet 15 and the sand flushing water inlet 16 are all communicated with the inner cavity of the coalescence chamber 1, the coalescence chamber 1 is further connected with a gas collecting bag 17 and a sand bag 18, the gas outlet 14 is arranged on the gas collecting bag 17, the gas collecting bag 17 is positioned at the top of the coalescence chamber 1, gas separated from produced liquid enters the gas collecting bag 17 and is led out through the gas outlet 14, the coalescence water outlet 15 is positioned at the bottom of the coalescence chamber 1, separated waste water is discharged through the coalescence water outlet 15, a vortex breaker 20 is arranged at the coalescence water outlet 15 to avoid water flow disturbance from influencing normal treatment of the produced liquid, the sand flushing water inlet 16 is arranged on the sand bag 18, the sand flushing water inlet 16 is further connected with a sand flushing water pipe 19, sand flushing water can be conveyed into the coalescence chamber 1 by the sand flushing water pipe 19 to flush away residual impurities in the device, the device is convenient to maintain and clean, the position of the sand flushing water inlet 16 can be set according to specific working conditions, and the sand bag 18 is arranged to facilitate the leading-out of impurities.
More specifically, an oil collecting plate 21 is arranged in the coalescing chamber 1, an oil collecting groove 22 is formed in the oil collecting plate 21, the oil collecting plate 21 is located at the top of the first treatment filler, the oil collecting plate 21 extends to a communication port of the coalescing chamber 1 and the ultrasonic chamber 2, the water-containing oil separated from the produced liquid is conveyed into the ultrasonic chamber 2 through the oil collecting plate 21, and the oil collecting plate 21 is arranged, so that a dead zone caused by poor fluidity of the upper-layer oil phase in the coalescing chamber 1 is effectively avoided; in this embodiment, the oil receiving grooves 22 are U-shaped through grooves with an open top, and the number of the oil receiving grooves 22 is two, so as to effectively prevent oil from accumulating.
Furthermore, the ultrasonic chamber 2 is provided with a plurality of horizontal partition plates 23, the plurality of horizontal partition plates 23 are connected with the inner wall of the ultrasonic chamber 2, the horizontal partition plates 23 divide the ultrasonic chamber 2 into a processing channel, the processing channel is of a plurality of continuous S-shaped structures connected end to end, and the vibrating element 3 is arranged in the processing channel. The ultrasonic chamber 2 is divided into a plurality of treatment channels which are continuously bent by the horizontal partition plates 23, so that the length of the circulation channel of the water-containing oil in the ultrasonic chamber 2 is effectively prolonged, and the medicament in the ultrasonic chamber 2 is favorably fully diffused and mixed under the action of the vibrating element 3, so that the water-containing oil is fully contacted with the vibrating element 3. In this embodiment, the horizontal partitions 23 are staggered to form a bent treatment channel, and in other embodiments of the present invention, other partition structures may be further provided to extend the length of the water-containing oil flow channel and save the occupied space of the device.
Wherein, ultrasonic chamber 2 is provided with flange connector 24 and adds medicine mouth 25, and vibrating element 3 can link to each other with flange connector 24 and stretch into ultrasonic chamber 2 in, and the quantity of flange connector 24 is a plurality of, utilizes flange connector 24 to connect vibrating element 3, makes things convenient for the dismouting, provides convenience for later maintenance simultaneously, and the parallelly connected setting of a plurality of vibrating element 3 improves the reliability of device, in addition, can select vibrating element 3's quantity according to concrete operating mode, and is nimble flexible. The vibrating element 3 is arranged along the processing channel, so that the demulsification treatment on the produced liquid is facilitated step by step, and the reliability of the device is improved. It should be further noted that the vibrating element 3 is a pulse type ultrasonic vibrator, and the ultrasonic vibrator in the prior art adopts a straight pipe type vibrator structure with a smooth surface, and only a small range of the vibrator head is an effective demulsification area; the dosing port 25 is communicated with the ultrasonic chamber 2, and the dosing port 25 is connected with an external dosing mechanism to ensure the medicine supply of the ultrasonic chamber 2.
Furthermore, the crude oil produced liquid double-field processing device further comprises a settling chamber 26, the settling chamber 26 in the ultrasonic chamber 2 is communicated with the ultrasonic chamber 2, a second processing filler 27 is arranged in the settling chamber 26, the second processing filler 27 is a water treatment deep oil removal filler, a communication port of the settling chamber 26 and the ultrasonic chamber 2 is positioned at the bottom of the second processing filler 27, the second processing filler 27 can be arranged according to the situation, and water-containing oil enters the settling chamber 26 after being demulsified through a demulsifier and ultrasonic vibration in the ultrasonic chamber 2, so that the oil content in water is further reduced.
It should be further noted that the settling chamber 26 further includes an oil outlet 28 and a settling water outlet 29, the oil outlet 28 and the settling water outlet 29 are both communicated with an inner cavity of the settling chamber 26, the oil outlet 28 is disposed at the top of the settling chamber 26, the low water-containing oil is led out through the oil outlet 28, the settling chamber 26 is connected with a settling water drum 30, the settling water drum 30 is disposed at the bottom of the settling chamber 26, the settling water outlet 29 is disposed on the settling water drum 30, and the separated sewage enters the settling water drum 30 and is then discharged through the settling water outlet 29. In this embodiment, rectifying chamber 4, coalescence chamber 1, ultrasonic chamber 2 and settling chamber 26 all set up in a horizontal tank internally, and device compact structure integrates the degree height, reduces occupation space, sets up at settling chamber 26 and subsides water drum 30, and subsides water drum 30 and be vertical tubular structure, subsides water drum 30 department and sets up level gauge interface 31, conveniently connects the level gauge, is convenient for master the sewage liquid level, increases sewage settlement volume, extension sewage dwell time, reduces export sewage oil content.
It needs to be emphasised here that, ultrasonic chamber 2 utilizes cloth liquid pipe 32 to be linked together with settling chamber 26, the one end and the ultrasonic chamber 2 of cloth liquid pipe 32 are linked together, the other end of cloth liquid pipe 32 stretches into in settling chamber 26, set up a plurality of through-holes on the lateral wall of cloth liquid pipe 32, the produced liquid through emulsion breaking treatment gets into settling chamber 26 via cloth liquid pipe 32 and carries out the sedimentation separation, avoid directly getting into the normal clear that influences the subsidence, the through-hole is equidistant equipartition on cloth liquid pipe 32, effectively avoid the produced liquid to cause great disturbance to the interior liquid stream of settling chamber 26. In the embodiment, an ultrasonic overflow plate 33 is arranged between the coalescence chamber 1 and the ultrasonic chamber 2, an ultrasonic baffle plate 34 is arranged between the ultrasonic chamber 2 and the sedimentation chamber 26, the top of the ultrasonic overflow plate 33 is connected with the oil collecting plate 21, and the bottom of the ultrasonic baffle plate 34 is connected with the liquid distribution pipe 32. The ultrasonic overflow plate 33, the horizontal partition plate 23 and the ultrasonic baffle 34 together form the ultrasonic chamber 2.
When the crude oil produced liquid double-field treatment device is used, crude oil produced liquid enters the rectification chamber 4 from the oil-gas water inlet 6 through the pre-separation cylinder 5 and the liquid inlet connecting pipe 7, enters the coalescence chamber 1 through the liquid inlet overflow plate 8 and the liquid inlet rectification plate 9 to be subjected to three-phase separation, and separated gas leaves the device through the gas collection bag 17 and the gas outlet 14; water-containing oil loops through rectification coalescence module 10 (containing rectification coalescence filler) and the electric coalescence module 11 (containing the electric coalescence filler) that coalescence chamber 1 upper portion set up, carry out water oil separating through filler surface coalescence effect, electric coalescence module 11 links to each other with high frequency pulse power, the effect of filler surface coalescence and electric field space coalescence has simultaneously to water oil separating, improve water oil separating efficiency, set up heating coil between rectification coalescence module 10 and electric coalescence module 11, heating coil utilizes heating medium to exit 35 and is linked together with external heating medium, heat the extraction liquid, promote the settlement temperature, reduce viscosity. The water-containing oil at the upper part of the coalescence chamber 1 enters the ultrasonic chamber 2 through the oil receiving groove 22 on the oil receiving plate 21, the water-containing oil is subjected to emulsion breaking treatment in the ultrasonic chamber 2 gradually through the action of an emulsion breaker and the vibrating element 3, then enters the settling chamber 26 through the liquid distribution pipe 32, after the settling treatment, the low water-containing oil is led out through the oil outlet 28, and the sewage leaves the device through the settling water outlet 29 at the lower part of the settling water bag 30.
The invention combines high-frequency coalescence with ultrasonic wave dehydration, pre-divides the crude oil produced liquid by adopting a high-frequency coalescence mode, then carries out intensified demulsification and dehydration by the action of ultrasonic waves and a demulsifier, increases the power of oil-water separation by utilizing ultrasonic waves to improve the oil-water separation speed and the separation quality, reduces the water content of the crude oil and the oil content of sewage, and effectively solves the problems of oil-water pre-separation and sewage treatment of the crude oil and the thick oil of three-extraction.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. The utility model provides a two field processing apparatus of crude oil extraction liquid which characterized in that, including being linked together:
the system comprises a coalescence chamber, a first treatment filler and a second treatment filler, wherein the coalescence chamber can be communicated with produced liquid, the first treatment filler is a coalescence filler, and the produced liquid can be subjected to oil-gas-water three-phase separation in the coalescence chamber;
the ultrasonic chamber, the indoor vibrating element that is provided with of ultrasonic, vibrating element links to each other with outside supersonic generator, the ultrasonic chamber can link to each other with outside medicine mechanism, outside medicine mechanism can to carry the medicament in the ultrasonic chamber, the coalescence room with the intercommunication mouth of ultrasonic chamber is located the top of first processing filler, the aqueous oil that the extraction liquid separates can get into in the ultrasonic chamber and with the vibrating element contact.
2. The crude oil produced liquid dual-field processing device according to claim 1, characterized in that: still include the rectification chamber, the rectification chamber is connected with a preseparation section of thick bamboo, a preseparation section of thick bamboo is provided with oil gas water inlet, oil gas water inlet with the inner chamber of rectification chamber is linked together, the extraction liquid can by oil gas water inlet gets into in the rectification chamber, oil gas water inlet is connected with the feed liquor connecting pipe, the feed liquor connecting pipe is kept away from the one end of oil gas water inlet stretches into in the rectification chamber, the rectification chamber with the coalescence chamber is linked together, the rectification chamber with the intercommunication mouth of coalescence chamber is located the bottom that first processing was packed, just the rectification chamber with the intercommunication mouth of coalescence chamber is located the top of feed liquor connecting pipe export.
3. The crude oil produced liquid dual-field processing device according to claim 2, characterized in that: rectification room with set up feed liquor overflow board and feed liquor rectification board between the coalescence room, the bottom of feed liquor overflow board with the bottom inner wall of rectification room links to each other, the top of feed liquor overflow board with the clearance has between the top inner wall of rectification room, the export of feed liquor connecting pipe is located the inner chamber bottom of rectification room, just the export orientation of feed liquor connecting pipe is kept away from one side of feed liquor overflow board, the top of feed liquor rectification board with the top inner wall of coalescence room links to each other, the bottom of feed liquor rectification board with the clearance has between the bottom inner wall of coalescence room.
4. The crude oil produced liquid dual-field processing device according to claim 1, characterized in that: the first treatment filler comprises a rectification coalescence module and an electric aggregation module, the electric aggregation module is positioned at the top of the rectification coalescence module, and the electric aggregation module is connected with an external high-frequency pulse power supply; and a heating coil is arranged between the rectification coalescence module and the electric coalescence module, and is communicated with an external heating medium by utilizing a heating medium inlet and outlet.
5. The crude oil produced liquid dual-field processing device according to claim 1, characterized in that: the bottom of the coalescence chamber is provided with an anti-surge plate which is of a porous plate structure;
the coalescence chamber still includes gas outlet, coalescence water outlet and dashes the husky water import, the gas outlet coalesce the water outlet with dash husky water import all with the inner chamber of coalescence chamber is linked together, the coalescence chamber still is connected with gas collection package and sand bag, the gas outlet set up in on the gas collection package, the gas collection package is located the top of coalescence chamber, the coalescence water outlet is located the bottom of coalescence chamber, coalescence water outlet sets up the vortex breaker, dash husky water import set up in on the sand bag, dash husky water import still be connected with and dash husky water pipe.
6. The crude oil produced liquid dual-field processing device according to claim 1, characterized in that: an oil collecting plate is arranged in the coalescence chamber, an oil collecting groove is formed in the oil collecting plate, the oil collecting plate is located at the top of the first treatment filler, and the oil collecting plate extends to a communication port of the coalescence chamber and the ultrasonic chamber;
the oil receiving groove is a U-shaped through groove with an opening at the top.
7. The crude oil produced liquid dual-field processing device according to claim 1, characterized in that: the ultrasonic chamber is provided with polylith horizontal separators, the polylith horizontal separators all with the inner wall of ultrasonic chamber links to each other, horizontal separators will the ultrasonic chamber separates out the processing passageway, the processing passageway is a plurality of continuous, end to end' S S-shaped structure, the vibrating element set up in the processing passageway.
8. The crude oil produced liquid dual-field processing device according to claim 1, characterized in that: the ultrasonic chamber is provided with a flange connecting port and a medicine adding port, the vibration elements can be connected with the flange connecting port and extend into the ultrasonic chamber, the number of the flange connecting ports is multiple, and the vibration elements are arranged in parallel; the vibration element is a pulse type ultrasonic vibrator; the dosing port is communicated with the ultrasonic chamber and is connected with an external dosing mechanism.
9. The crude oil produced liquid dual-field processing device according to claim 1, characterized in that: the sedimentation chamber is communicated with the ultrasonic chamber, a second treatment filler is arranged in the sedimentation chamber, the second treatment filler is a water treatment deep oil removal filler, and a communication port of the sedimentation chamber and the ultrasonic chamber is positioned at the bottom of the second treatment filler;
the settling chamber further comprises an oil outlet and a settling water outlet, the oil outlet and the settling water outlet are communicated with an inner cavity of the settling chamber, the oil outlet is formed in the top of the settling chamber, the settling chamber is connected with a settling water bag, the settling water bag is formed in the bottom of the settling chamber, and the settling water outlet is formed in the settling water bag.
10. The crude oil produced liquid dual-field processing device of claim 9, characterized in that: the ultrasonic chamber utilizes the liquid distribution pipe with the settling chamber is linked together, the one end of liquid distribution pipe with the ultrasonic chamber is linked together, the other end of liquid distribution pipe stretches into in the settling chamber, set up a plurality of through-holes on the lateral wall of liquid distribution pipe.
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Effective date of registration: 20230109 Address after: 100027 Chaoyangmen North Street, Chaoyang District, Chaoyang District, Beijing Applicant after: SINOPEC Group Applicant after: SINOPEC OILFIELD SERVICE Corp. Applicant after: SINOPEC PETROLEUM ENGINEERING Corp. Address before: 100020 Building 2, Chaoyang Gate office area, Sinopec, 9 jishikou Road, Chaoyang District, Beijing Applicant before: SINOPEC OILFIELD SERVICE Corp. Applicant before: SINOPEC PETROLEUM ENGINEERING Corp. |
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Application publication date: 20220527 |