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南梁西吴堡作业区位于甘肃省华池县纸坊乡至陕西省志丹县义正乡内,区域构造位于鄂尔多斯盆地南部沉积中心,为陕北斜坡南部一西倾单斜区域,主要含油层系为延长组长9、长8、长7、长6、长4+5、长3油层组和侏罗系。区块开采层位多,井筒状况复杂,结垢井较多。目前结垢油井共计261口,占总开井数的28.8%,结垢导致油井上修比例逐年上升。2015-2016年吴堡作业区在油套环空投加阻垢剂和随检泵下入高效固体阻垢器探索攻关防垢技术,结垢速度由0.50 mm/月下降至0.17 mm/月,检泵周期延长54天。
Nanliang West Wubao operation area is located in Zhifang Township, Huachi County, Gansu Province, to the Yizheng Township, Zhidan County, Shaanxi Province. The regional structure is located in the sedimentary center of the Ordos Basin in the south, and is a west-western tilt monocline in the southern part of the northern Shaanxi slope. The main oil- Department for the extension of 9, 8, 7, 6, 4 +5, Chang3 reservoir and Jurassic. Multi-block mining layers, wellbore complex conditions, scaling wells more. At present, a total of 261 fouling wells, accounting for 28.8% of the total number of open wells, fouling led to the proportion of oil wells increased year by year. 2015-2016 Wubao work area In the oil ring annulus throwing scale inhibitor and with the pump into the efficient solid scale inhibitor to explore the key anti-scaling technology, scaling speed from 0.50 mm / month down to 0.17 mm / month, seized Pump cycle extended by 54 days.