Systems and methods for killing wells equipped with jet pumps
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United States of America Patent
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Feb 16, 2021
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N/A
app pub date -
Oct 10, 2019
filing date -
Apr 25, 2017
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Abstract
A wellbore pumping system (10) has at least one jet pump (18, 20) disposed in a tubular string (12) inserted into a subsurface wellbore (II). An intake of the jet pump is in fluid communication with a subsurface reservoir. A discharge of the jet pump is in fluid communication with an interior of a tubular string extending to the surface. A fluid bypass (24, 26) fluidly connects the inlet and discharge of the jet pump. The fluid bypass in some embodiments is operable to enable fluid flow when a differential pressure of fluid pumped into the tubular string from the surface exceeds a predetermined pressure. Another aspect includes a pump system having two separately operable jet pumps in tandem in a wellbore tubular string.
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