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wax-condensing temperature
相关语句
  析蜡温度
    The wax-condensing temperature of equilibrium oil in the condensate gas of the well is 27.7 — 38℃ while the pressure is 60.00 — 0.10 Mpa.
    该井凝析气中平衡油在压力 6 0 .0 0~ 0 .10MPa的析蜡温度为 2 7.7~ 38℃。
短句来源
    WAX-CONDENSING TEMPERATURE OF CONDENSATE OIL WITH HIGH TEMPERATURE AND PRESSURE TESTED BY LASER AND ITS APPLICATION 1)
    激光测试高温高压凝析油析蜡温度及其应用
短句来源
    Using the laser testing system of soluble solid deposition developed by themselves, the wax-condensing temperature of equilibrium oil of condensate gas is tested under different pressure.
    文章利用自行开发的固溶物沉积激光测试系统 ,测试了凝析气平衡油在不同压力下的析蜡温度
短句来源
    The 3-phases diagram of gas-liquid-solid made by the study shows when the temperature is lower than the wax-condensing temperature of 2 phases with liquid and solid, the predicted curve of equal liquid volume of 2 phases with gas and liquid begins to deviate normal, and goes upwards rapidly.
    研究得到的气—液—固三相相图表明 ,当温度低于液—固两相析蜡温度后 ,预测的气—液两相等液量线开始偏离正常 ,并快速上翘。
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Experimental study is conducted to see if wax deposits during the recovering process of the waxy condensate wells with high temperature and pressure. Using the experimental laser measuring system of solid solution depositing developed by themselves, the temperatures of wax condensing and solvating are measured for de-gas oil under different pressures. The results show the temperatures of wax condensing and solvating appear linear dropping as the pressure decreases for de-gas oil. The temperature...

Experimental study is conducted to see if wax deposits during the recovering process of the waxy condensate wells with high temperature and pressure. Using the experimental laser measuring system of solid solution depositing developed by themselves, the temperatures of wax condensing and solvating are measured for de-gas oil under different pressures. The results show the temperatures of wax condensing and solvating appear linear dropping as the pressure decreases for de-gas oil. The temperature of wax condensing is 10 ~ 20℃ lower than that of wax solvating. The wax solvating curve as temperature rises falls behind the wax condensing curve as temperature decreases. That means it is difficult for wax to solvate once it condenses. The pressure of the measured well is 0.10 ~ 60 MPa. The wax condensing temperature of the de-gas oil is 38 ~ 49℃. The wax solvating temperature is 52 ~ 63℃. So, wax deposit will not exist in the reservoir. And wax deposit will also not exist in the bore-hole only if the well-head temperature is not lower than 38℃. If wax condenses, the temperature of heating for wax removal must be higher than 70℃. Under the air pressure, the wax condensing point measured with the viscosity-temperature curve method and the density-temperature curve method is similar to that measured with laser method. Also, the test found that the wax crystal of de-gas oil has rheopecticity in a certain temperature range, and the apparent viscosity shows variation without law because the network structure of the wax crystal is weak and easy to damage by continuous shear.

文章针对某高温高压含蜡凝析气井在开采过程中是否存在石蜡沉积展开实验评价研究 ,利用自行开发的固溶物沉积实验激光测试系统 ,测试了脱气油在不同压力下的析蜡温度和溶蜡温度。结果表明 ,脱气油的析蜡温度和溶蜡温度随压力降低基本呈直线下降 ,析蜡温度比溶蜡温度低 10~ 2 0℃ ,升温溶蜡曲线滞后于降温析蜡曲线 ,说明蜡一旦析出 ,更难溶化。该井压力在 0 .10~ 6 0MPa ,脱气油的析蜡温度在 38~ 4 9℃ ,溶蜡温度在 5 2~ 6 3℃ ,因此在地层中不会出现石蜡沉积 ,同时 ,只要井口温度不低于 38℃ ,井筒中也不会出现石蜡沉积。一旦有蜡析出 ,采用热清蜡技术的加热或热油温度必须高于 70~ 80℃。在常压下 ,粘温曲线法和密度温度曲线法测试的析蜡点与激光法接近。实验还发现 ,脱气油石蜡结晶在一定温度范围内具有触变性 ,表观粘度呈现出无规律的变化 ,这是因为结晶石蜡所形成的网状结构较弱 ,持续剪切使结晶石蜡网状结构容易被破坏。

Aiming to wax-plugging phenomenon in Well Keshen 101 of wax-bearing condensate well with anomalous high temperature and pressure, the in-house experiments and field investigation is conducted. Using the laser testing system of soluble solid deposition developed by themselves, the wax-condensing temperature of equilibrium oil of condensate gas is tested under different pressure. The results show the wax-condensing temperature of equilibrium oil of condensate gas in the 2 phases of liquid and solid...

Aiming to wax-plugging phenomenon in Well Keshen 101 of wax-bearing condensate well with anomalous high temperature and pressure, the in-house experiments and field investigation is conducted. Using the laser testing system of soluble solid deposition developed by themselves, the wax-condensing temperature of equilibrium oil of condensate gas is tested under different pressure. The results show the wax-condensing temperature of equilibrium oil of condensate gas in the 2 phases of liquid and solid rises as the pressure drops. The lower the pressure is, the faster the wax-condensing temperature increases. And the wax-condensing law of equilibrium oil is converse to that of degassing oil. The wax-condensing temperature of equilibrium oil in the condensate gas of the well is 27.7 — 38℃ while the pressure is 60.00 — 0.10 Mpa. The 3-phases diagram of gas-liquid-solid made by the study shows when the temperature is lower than the wax-condensing temperature of 2 phases with liquid and solid, the predicted curve of equal liquid volume of 2 phases with gas and liquid begins to deviate normal, and goes upwards rapidly. Using the test data of wax condensing, the wax-condensing position can be estimated to prevent wax condensing in the formations at anytime. From production test, it is found that wax condenses in the 465 m. tubing from the well-head. And the predicted results are coincident with the field data. Taking measures such as increasing production, heating, thermal insulation, etc. to make the well-head flowing temperature higher than 38℃, wax precipitation won’t happen in the bore-hole. It can prevent wax precipitation when the condensate oil flows in the surface facilities to increase the temperature of separators and upstream pipelines from 32℃ to 36℃ and more.

针对柯深 10 1井异常高温高压含蜡凝析气井出现石蜡堵塞现象 ,开展了室内实验和现场评价的研究。文章利用自行开发的固溶物沉积激光测试系统 ,测试了凝析气平衡油在不同压力下的析蜡温度。结果表明 ,凝析气平衡油液—固两相析蜡温度随压力下降而升高 ,压力越低析蜡温度上升越快 ,而且平衡油的析蜡规律与脱气油相反 ;该井凝析气中平衡油在压力 6 0 .0 0~ 0 .10MPa的析蜡温度为 2 7.7~ 38℃。研究得到的气—液—固三相相图表明 ,当温度低于液—固两相析蜡温度后 ,预测的气—液两相等液量线开始偏离正常 ,并快速上翘。利用析蜡实验数据预测出了析蜡位置 ,使得任何时候地层中都不会析蜡 ;在生产测试时 ,井筒中的蜡在距井口 4 6 5m油管以上析出 ,预测结果与现场试验吻合。提高产量或加热、保温等措施 ,使井口流温高于 38℃ ,井筒中不会析蜡 ;将分离器及其上游管线温度从 32℃提高到 36℃以上 ,可以防止凝析油在地面流动中析蜡。

 
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