CN106194150A - A kind of oil well produced liquid four-phase separator and preparation method thereof - Google Patents
A kind of oil well produced liquid four-phase separator and preparation method thereof Download PDFInfo
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- 239000007788 liquid Substances 0.000 title claims abstract description 38
- 239000003129 oil well Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000004576 sand Substances 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000003595 mist Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 3
- 230000008676 import Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 14
- 239000003921 oil Substances 0.000 description 28
- 239000007789 gas Substances 0.000 description 24
- 239000012071 phase Substances 0.000 description 17
- 238000000926 separation method Methods 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003027 oil sand Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- 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
- E21B43/40—Separation associated with re-injection of separated materials
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Abstract
一种油井采出液四相分离器及其制作方法，分离器包括壳体，壳体的出气口设置有排气浮子阀，排气浮子阀通过输气管线连接流量计一，流量阀通过输气管线连接单向阀、溢流阀和流量计二；流量计一连接压力表；流量计二通过出油管线连接排油浮子阀；壳体的内腔设置有捕雾器，捕雾器的下方设置有进液口，进液口正下方设置有螺旋伞板，螺旋伞板的下方设置有孔板；壳体的出水口设有排水浮子阀与平衡阀；壳体底部的储砂腔设置有砂面探测器，壳体底部连接排砂口，排砂口的下方设置有电控阀；使用时，浮子阀利用浮子在各相流体中浮力的不同，自动开关阀口，自动排出油、气、水；本发明具有节约生产成本，避免各相相互携带，实现机械自动化的优点。
A four-phase separator for oil well production fluid and a manufacturing method thereof. The separator includes a shell, and the gas outlet of the shell is provided with an exhaust float valve. The gas pipeline is connected to the check valve, the overflow valve and the second flow meter; the first flow meter is connected to the pressure gauge; the second flow meter is connected to the oil discharge float valve through the oil outlet pipeline; There is a liquid inlet at the bottom, a spiral umbrella plate is arranged directly below the liquid inlet, and an orifice plate is arranged under the spiral umbrella plate; the water outlet of the shell is equipped with a drainage float valve and a balance valve; the sand storage chamber at the bottom of the shell is set There is a sand surface detector, the bottom of the shell is connected to the sand discharge port, and an electric control valve is installed under the sand discharge port; when in use, the float valve uses the difference in buoyancy of the float in each phase fluid to automatically open and close the valve port, and automatically discharge oil, Air and water; the present invention has the advantages of saving production costs, avoiding mutual carrying of each phase, and realizing mechanical automation.
Description
技术领域technical field
本发明涉及油田污水回注技术领域，特别涉及一种油井采出液四相分离器及其制作方法。The invention relates to the technical field of oilfield sewage reinjection, in particular to a four-phase separator for oil well production fluid and a manufacturing method thereof.
技术背景technical background
目前我国大部分油田己进入石油开采的中期和后期阶段，采出液中含水量为70-80％，有的油田甚至高达90％，而且随着开采时间的增加，含水量不断的增加，因此在我国油田所产生的废水量非常巨大。如果把如此大量的采出水直接外排，将造成非常严重的环境污染问题，同时又浪费了宝贵的水资源。如果把含油废水处理后，重新回注地层，以补充地层的压力，不仅可以避免环境污染，而且节约大量的水资源。对含油废水进行处理并回注是油田实现可持续开发和提高油田经济效益节约成本的一个重要途径。因此需要对油井采出液在井口四相分离处理，分离水及时回注井底。At present, most oil fields in my country have entered the middle and late stage of oil exploitation, and the water content in the produced fluid is 70-80%, and some oil fields even reach as high as 90%, and with the increase of mining time, the water content continues to increase, so The amount of waste water produced in my country's oil fields is very large. If such a large amount of produced water is directly discharged outside, it will cause very serious environmental pollution problems and waste precious water resources at the same time. If the oily wastewater is treated and reinjected into the formation to supplement the pressure of the formation, not only can avoid environmental pollution, but also save a lot of water resources. Treatment and reinjection of oily wastewater is an important way to achieve sustainable development of oilfields and improve economic benefits of oilfields and save costs. Therefore, it is necessary to separate the four phases of the oil well production fluid at the wellhead, and re-inject the separated water to the bottom of the well in time.
目前四相分离器存在以下问题：(1)油田常规四相分离器体积庞大，不适宜井口采出液分离；(2)分离器出口气液携带严重，分离质量低；(3)分离器不适应带压分离；分离器人工控制，自动化水平低。At present, the four-phase separator has the following problems: (1) The conventional four-phase separator in the oil field is bulky, which is not suitable for the separation of wellhead production fluid; (2) The gas-liquid carryover at the separator outlet is serious, and the separation quality is low; (3) The separator is not good enough. It is suitable for separation under pressure; the separator is controlled manually, and the automation level is low.
发明内容Contents of the invention
为了克服上述现有技术的不足，本发明的目的在于提供一种油井采出液四相分离器及其制作方法，具有体积小、适应带压分离、自动排液、适宜油井采出液井口分离回注工艺等优点。In order to overcome the deficiencies of the above-mentioned prior art, the object of the present invention is to provide a four-phase separator for oil well production fluid and its manufacturing method, which has the advantages of small size, adaptable to pressure separation, automatic liquid drainage, and suitable for oil well production fluid wellhead separation. Reinjection technology and other advantages.
为达到上述目的，本发明采用如下技术方案：To achieve the above object, the present invention adopts the following technical solutions:
一种油井采出水回注四相分离器，包括壳体17，壳体17的顶部出气口设置有排气浮子阀1，排气浮子阀1通过输气管线连接流量计一18的一端，流量阀18的另一端通过输气管线连接单向阀15的一端、溢流阀14的一端和流量计二19的一端；流量计一18的一端连接压力表16的一端；溢流阀14设置在壳体17的顶部；流量计二19的另一端通过出油管线连接排油浮子阀13，排油浮子阀13设置在壳体17的排油口上；壳体17的内腔设置有捕雾器2，捕雾器2的下方设置有进液口3，进液口3正下方设置有螺旋伞板4，螺旋伞板4的下方设置有孔板5；壳体17内腔底部的一侧设置有砂面探测器7，壳体17内腔底部的另一侧的出水口设有排水浮子阀11与平衡阀12；壳体17底部连接排砂口8，排砂口8的下方设置有电控阀9。A four-phase separator for reinjection of produced water from an oil well, comprising a housing 17, the top gas outlet of the housing 17 is provided with an exhaust float valve 1, and the exhaust float valve 1 is connected to one end of a flow meter 18 through a gas pipeline, and the flow rate The other end of valve 18 connects one end of one-way valve 15, one end of overflow valve 14 and one end of flowmeter two 19 by gas pipeline; One end of flowmeter one 18 connects an end of pressure gauge 16; Overflow valve 14 is arranged on The top of the housing 17; the other end of the flow meter 19 is connected to the oil discharge float valve 13 through the oil outlet pipeline, and the oil discharge float valve 13 is arranged on the oil discharge port of the housing 17; the inner cavity of the housing 17 is provided with a mist catcher 2. There is a liquid inlet 3 under the mist catcher 2, a spiral umbrella plate 4 is arranged directly under the liquid inlet 3, and an orifice plate 5 is arranged under the spiral umbrella plate 4; There is a sand surface detector 7, and the water outlet on the other side of the bottom of the inner cavity of the housing 17 is provided with a drain float valve 11 and a balance valve 12; Control valve 9.
所述的孔板5焊接在壳体17的内壁上。The orifice plate 5 is welded on the inner wall of the housing 17 .
所述的排油浮子阀13设置在孔板5的下方。The oil discharge float valve 13 is arranged below the orifice plate 5 .
所述的壳体17的一侧的出水口位于壳体17的排油口的下方。The water outlet on one side of the housing 17 is located below the oil outlet of the housing 17 .
一种油井采出液四相分离器的制作方法，具体步骤如下：A method for making a four-phase separator for oil well production fluid, the specific steps are as follows:
步骤一，分离器直径和直段高度的计算：Step 1, the calculation of separator diameter and straight section height:
按标准HG/T 20570.8-95气液分离器设计，参数：工作压力1.5MPa，油水相对密度Δw-Δo＝0.19,水滴直径dw＝500μm，原油流量Qo＝15m3/d，液体粘度μ0＝12.2×10-3，According to the standard HG/T 20570.8-95 gas-liquid separator design, parameters: working pressure 1.5MPa, oil-water relative density Δ w - Δ o = 0.19, water droplet diameter d w = 500μm, crude oil flow rate Q o = 15m 3 /d, liquid Viscosity μ 0 =12.2×10 -3 ,
分离器直径： Separator diameter:
直段高度：依据分离器停留时间2min可以确定直段高度Is如下：Straight section height: According to the separator residence time of 2min, the straight section height I s can be determined as follows:
IS＝ho+hw+D+1.0I S ＝h o +h w +D+1.0
储液段高度：h＝8.846×10-4xtrxQ/(D2)Height of liquid storage section: h＝8.846×10 -4 xt r xQ/(D 2 )
直段高度：IS＝1700mm；Straight section height: I S ＝1700mm;
步骤二分，离器进、出口直径的确定：The steps are divided into two steps, the determination of the inlet and outlet diameters of the separator:
根据气Qg＝1000m3/d、液QL＝30m3/d,气体密度ρg＝11kg/m3：According to gas Q g =1000m 3 /d, liquid Q L =30m 3 /d, gas density ρ g =11kg/m 3 :
D入＞38mm，圆整后入口直径为40mm； D entrance > 38mm, the entrance diameter after rounding is 40mm;
液体出口，应保证液体流速小于1m/s；气体出口直径小于接管直径，出口速度越小越有利于分离；由上述内容确定气体出口直径40mm，油水出口直径20mm，排砂口直径80mm；The liquid outlet should ensure that the liquid flow rate is less than 1m/s; the diameter of the gas outlet is smaller than the diameter of the nozzle, and the smaller the outlet velocity, the better the separation; the diameter of the gas outlet is 40mm, the diameter of the oil-water outlet is 20mm, and the diameter of the sand outlet is 80mm;
步骤三分离器结构确定：Step 3 Separator structure determination:
入口高度1270mm，出油口高度720mm，出液口高度720mm，锥段小端直径高度168mm,锥角45°；伞板直径高度45mm；捕雾器厚度150mm；The inlet height is 1270mm, the oil outlet height is 720mm, the liquid outlet height is 720mm, the small end diameter of the cone section Height 168mm, cone angle 45°; umbrella diameter Height 45mm; mist catcher thickness 150mm;
步骤四，分离器壁厚确定：Step 4, the wall thickness of the separator is determined:
分离器材料选用16MnR普通合金钢，其力学特性，温度为50时设计厚度The material of the separator is 16MnR ordinary alloy steel, its mechanical properties, when the temperature is 50 Design thickness
δ＝δd+C1＝1.8+4＝5.8，圆整名义厚度为6mm，δ=δ d +C 1 =1.8+4=5.8, the rounded nominal thickness is 6mm,
有效厚度预留厚度C1＝4mm。Effective thickness Reserved thickness C 1 =4mm.
与现有技术相比，本发明的有益效果是：Compared with prior art, the beneficial effect of the present invention is:
(1)本发明的油井采出液分离回注四相分离器，体积小，直段尺寸为外壳直段，为Φ400X1700mm，造价低。(1) The four-phase separator for separation and reinjection of oil well production fluid of the present invention is small in size, and the straight section is Φ400X1700mm in size, and the cost is low.
(2)该装置是将采出液在井口气水油砂四相分离，油气通过混输管线送至集输站，分离水及时回注井底，及时补充地层压力，驱油效果更显著。(2) The device separates the four-phase production fluid from gas, water, and oil sand at the wellhead, and the oil and gas are sent to the gathering and transportation station through the mixed transportation pipeline. The separated water is injected back into the bottom of the well in time to replenish the formation pressure in time, and the oil displacement effect is more significant.
(3)浮子阀采用浮子控制出口开关，避免各相相互携带，实现自动排液。(3) The float valve uses a float to control the outlet switch to avoid mutual carrying of each phase and realize automatic liquid discharge.
(4)平衡阀消除排水浮子阀受分离器内外压差干扰不能复位的缺陷，实现机械自动化。(4) The balance valve eliminates the defect that the drain float valve cannot be reset due to the interference of the internal and external pressure difference of the separator, and realizes mechanical automation.
(5)更重要的是，特设平衡阀可以解决传统分离器由液面控制改变为由液段控制。(5) More importantly, the ad hoc balance valve can solve the problem of changing the traditional separator from liquid level control to liquid section control.
(6)本发明装置承压能力为4MPa，工作压力1.5MPa；当井底压力较低时，可以充分利用分离器内工作压力将分离出的液体通过注水管线直接回注井底。(6) The pressure bearing capacity of the device of the present invention is 4MPa, and the working pressure is 1.5MPa; when the bottomhole pressure is low, the separated liquid can be directly injected back into the bottomhole through the water injection pipeline by making full use of the working pressure in the separator.
附图说明Description of drawings
图1为本发明的立式四相分离器结构图。Fig. 1 is a structural diagram of a vertical four-phase separator of the present invention.
具体实施方式detailed description
下面参照附图对本发明作进一步说明。The present invention will be further described below with reference to the accompanying drawings.
一种油井采出水回注四相分离器，包括壳体17，壳体17的顶部出气口设置有排气浮子阀1，排气浮子阀1通过输气管线连接流量计一18的一端，流量阀18的另一端通过输气管线连接单向阀15的一端、溢流阀14的一端和流量计二19的一端；流量计一18的一端连接压力表16的一端；溢流阀14设置在壳体17的顶部；流量计二19的另一端通过出油管线连接排油浮子阀13，排油浮子阀13设置在壳体17的排油口上；壳体17的内腔设置有捕雾器2，捕雾器2的下方设置有进液口3，进液口3正下方设置有螺旋伞板4，螺旋伞板4的下方设置有孔板5；壳体17内腔底部的一侧设置有砂面探测器7，壳体17内腔底部的另一侧的出水口设有排水浮子阀11与平衡阀12；壳体17底部连接排砂口8，排砂口8的下方设置有电控阀9。A four-phase separator for reinjection of produced water from an oil well, comprising a housing 17, the top gas outlet of the housing 17 is provided with an exhaust float valve 1, and the exhaust float valve 1 is connected to one end of a flow meter 18 through a gas pipeline, and the flow rate The other end of valve 18 connects one end of one-way valve 15, one end of overflow valve 14 and one end of flowmeter two 19 by gas pipeline; One end of flowmeter one 18 connects an end of pressure gauge 16; Overflow valve 14 is arranged on The top of the housing 17; the other end of the flow meter 19 is connected to the oil discharge float valve 13 through the oil outlet pipeline, and the oil discharge float valve 13 is arranged on the oil discharge port of the housing 17; the inner cavity of the housing 17 is provided with a mist catcher 2. There is a liquid inlet 3 under the mist catcher 2, a spiral umbrella plate 4 is arranged directly under the liquid inlet 3, and an orifice plate 5 is arranged under the spiral umbrella plate 4; There is a sand surface detector 7, and the water outlet on the other side of the bottom of the inner cavity of the housing 17 is provided with a drain float valve 11 and a balance valve 12; Control valve 9.
所述的孔板5焊接在壳体17的内壁上。The orifice plate 5 is welded on the inner wall of the housing 17 .
所述的排油浮子阀13设置在孔板5的下方。The oil discharge float valve 13 is arranged below the orifice plate 5 .
所述的壳体17的一侧的出水口位于壳体17的排油口的下方。The water outlet on one side of the housing 17 is located below the oil outlet of the housing 17 .
本发明的工作原理：井底采出液进入分离器，由入口3向下流动并撞击螺旋伞板4，对进液进行离心和重力分离；气相从液相中自然释放，经螺旋伞板4折流后，向上流动经过捕雾器2气相携带的微小液滴聚集成大液滴，重新流入达到二次分离效果，气相由排气浮子阀1进入输气管线；液相油和水撞击螺旋伞板4后油水分离，并在离心力的作用下油水分开，通过孔板5平稳流入储液段；油相通过排油浮子阀13排出，计量后进入油气混输；分离水通过排水浮子阀11和平衡阀12排出，流量计10计量后回注地层。固相砂粒随液相在螺旋伞板4离心力的作用下被甩向器壁，沿器壁向下流入储砂腔6，当集砂由砂面探测器7检测到沙粒时，控制电控阀9打开，将沙粒排出。单向阀15保证油气混输正常工作，溢流阀14保证分离器安全工作。The working principle of the present invention: the production fluid at the bottom of the well enters the separator, flows downward from the inlet 3 and hits the spiral umbrella plate 4, and separates the incoming liquid by centrifugation and gravity; the gas phase is naturally released from the liquid phase, and passes through the spiral umbrella plate 4 After deflection, the small droplets carried by the gas phase flowing upward through the mist catcher 2 gather into large droplets and flow back in to achieve the secondary separation effect. The gas phase enters the gas pipeline from the exhaust float valve 1; the liquid phase oil and water hit the spiral After the umbrella plate 4, the oil and water are separated, and under the action of centrifugal force, the oil and water are separated, and flow into the liquid storage section smoothly through the orifice 5; the oil phase is discharged through the oil discharge float valve 13, and enters the oil and gas mixed transmission after metering; the separated water passes through the drain float valve 11 And the balance valve 12 discharges, and the flow meter 10 measures and re-injects into the formation. The solid phase sand particles are thrown towards the wall of the device under the action of the centrifugal force of the spiral umbrella plate 4 along with the liquid phase, and flow down into the sand storage chamber 6 along the device wall. When the sand is detected by the sand surface detector 7, the electronically controlled Valve 9 opens and the sand is expelled. The one-way valve 15 ensures the normal operation of oil-gas mixed transmission, and the overflow valve 14 ensures the safe operation of the separator.
油井采出液四相分离器的制作方法，具体步骤如下：The production method of the oil well production fluid four-phase separator, the specific steps are as follows:
步骤一，分离器直径和直段高度的计算：Step 1, the calculation of separator diameter and straight section height:
按标准HG/T 20570.8-95气液分离器设计，参数：工作压力1.5MPa，油水相对密度Δw-Δo＝0.19,水滴直径dw＝500μm，原油流量Qo＝15m3/d，液体粘度μ0＝12.2x10-3，According to the standard HG/T 20570.8-95 gas-liquid separator design, parameters: working pressure 1.5MPa, oil-water relative density Δ w - Δ o = 0.19, water droplet diameter d w = 500μm, crude oil flow rate Q o = 15m 3 /d, liquid Viscosity μ 0 =12.2x10 -3 ,
分离器直径： Separator diameter:
直段高度：依据分离器停留时间2min可以确定直段高度Is如下：Straight section height: According to the separator residence time of 2min, the straight section height I s can be determined as follows:
IS＝ho+hw+D+1.0I S ＝h o +h w +D+1.0
储液段高度：h＝8.846x10-4xtrxQ/(D2)Reservoir height: h＝8.846x10 -4 xt r xQ/(D2)
直段高度：IS＝1700mm；Straight section height: I S ＝1700mm;
步骤二，分离器进、出口直径确定：Step 2, the separator inlet and outlet diameters are determined:
根据气Qg＝1000m3/d、液QL＝30m3/d,气体密度ρg＝11kg/m3：D入＞38mm，圆整后入口直径为40mm；According to gas Q g =1000m 3 /d, liquid Q L =30m 3 /d, gas density ρ g =11kg/m 3 : D entrance > 38mm, the entrance diameter after rounding is 40mm;
液体出口，应保证液体流速小于1m/s；气体出口直径小于接管直径，出口速度越小越有利于分离；由上确定气体出口直径40mm，油水出口直径20mm，排砂口直径80mm；The liquid outlet should ensure that the liquid flow rate is less than 1m/s; the diameter of the gas outlet is smaller than the diameter of the nozzle, and the smaller the outlet velocity is, the more conducive to separation; the diameter of the gas outlet is 40mm, the diameter of the oil-water outlet is 20mm, and the diameter of the sand outlet is 80mm;
步骤三，分离器结构确定：Step 3, the structure of the separator is determined:
入口高度1270mm，出油口高度720mm，出液口高度720mm，锥段小端直径高度168mm,锥角45°；伞板直径高度45mm；捕雾器厚度150mm；The inlet height is 1270mm, the oil outlet height is 720mm, the liquid outlet height is 720mm, the small end diameter of the cone section Height 168mm, cone angle 45°; umbrella diameter Height 45mm; mist catcher thickness 150mm;
步骤四，分离器壁厚确定：Step 4, the wall thickness of the separator is determined:
分离器材料选用16MnR普通合金钢，其力学特性，温度为50时，设计厚度：The material of the separator is 16MnR ordinary alloy steel, its mechanical properties, when the temperature is 50, Design Thickness:
δ＝δd+C1＝1.8+4＝5.8，圆整名义厚度为6mm，δ=δ d +C 1 =1.8+4=5.8, the rounded nominal thickness is 6mm,
有效厚度预留厚度C1＝4mm；Effective thickness Reserved thickness C 1 =4mm;
制作出分离器：油井采出液流量约为30m3/d，携气量约为1000m3/d，液相中会有少量砂粒固相；立式分离器的最大承压能力为4MPa，工作压力为1.5MPa，安全系数大于2。Produced separator: oil well production fluid flow rate is about 30m 3 /d, gas carrying capacity is about 1000m 3 /d, there will be a small amount of sand and solid phase in the liquid phase; the maximum pressure bearing capacity of the vertical separator is 4MPa, and the working pressure It is 1.5MPa, and the safety factor is greater than 2.
本实施例的效果为：保证采出液油气水砂四相分离，且使其工作压力达1.5MPa下进行分离。The effect of this embodiment is to ensure the four-phase separation of the produced liquid, oil, gas, water and sand, and make the separation possible at a working pressure of 1.5 MPa.
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