RU2014131411A - METHOD FOR OIL PRODUCTION FROM WATERED WELLS - Google Patents
METHOD FOR OIL PRODUCTION FROM WATERED WELLS Download PDFInfo
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- RU2014131411A RU2014131411A RU2014131411A RU2014131411A RU2014131411A RU 2014131411 A RU2014131411 A RU 2014131411A RU 2014131411 A RU2014131411 A RU 2014131411A RU 2014131411 A RU2014131411 A RU 2014131411A RU 2014131411 A RU2014131411 A RU 2014131411A
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Abstract
Способ добычи нефти из обводненных скважин, включающий в себя этапы, на которых осуществляют отбор жидкости в нестационарном режиме с изменением дебита от максимального до минимального, при этом определяют временные интервалы нестационарного режима по изменению обводненности добываемой продукции и по изменению забойного давления, причем определяют интервал продолжительности работы на максимальном режиме отбора продукции по восстановлению максимального забойного давления, при котором наступает стационарный режим дренирования пласта, но не ниже давления разгазирования нефти, и осуществляют работу на минимальном режиме отбора продукции в интервале, продолжающемся до восстановления забойного давления при текущем минимальном дебите жидкости, отличающийся тем, что определяют указанные временные интервалы по кривой откачки при максимальном режиме отбора жидкости и кривой восстановления уровня при минимальном режиме, задаваемых посредством частотного регулятора тока, соединенного с электродвигателем привода штангового насоса, с одновременным отбором проб на обводненность добываемой продукции, при этом снятие указанных кривых осуществляют в течение не менее чем трех циклов.The method of oil production from waterlogged wells, which includes the stages at which fluid is taken in an unsteady mode with a change in flow rate from maximum to minimum, while the time intervals of an unsteady mode are determined by changing the water content of the produced products and by changing the bottomhole pressure, and the duration interval is determined work at the maximum production selection mode to restore the maximum bottomhole pressure, at which the stationary mode of drainage of the plains occurs one, but not lower than the oil degassing pressure, and they operate at the minimum production selection mode in an interval that continues until bottomhole pressure is restored at the current minimum fluid flow rate, characterized in that the indicated time intervals are determined from the pumping curve at the maximum fluid recovery mode and recovery curve level at the minimum mode, set by means of a frequency current regulator connected to a rod pump drive motor, with simultaneous sampling nennost extracted product, wherein the removal of said curve is carried out for at least three cycles.
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Application Number | Priority Date | Filing Date | Title |
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RU2014131411A RU2014131411A (en) | 2014-07-29 | 2014-07-29 | METHOD FOR OIL PRODUCTION FROM WATERED WELLS |
Applications Claiming Priority (1)
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RU2014131411A RU2014131411A (en) | 2014-07-29 | 2014-07-29 | METHOD FOR OIL PRODUCTION FROM WATERED WELLS |
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RU2014131411A true RU2014131411A (en) | 2016-02-20 |
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RU2014131411A RU2014131411A (en) | 2014-07-29 | 2014-07-29 | METHOD FOR OIL PRODUCTION FROM WATERED WELLS |
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