HYDRAULIC SYSTEM AND METHOD FOR DOWNHOLE SLEEVE HORIZON SELECTION AND OPENING CONTROL
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Mar 15, 2022
filing date -
Mar 15, 2022
priority date (Note) -
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Abstract
A hydraulic system includes a horizon selection short section comprising a group of hydraulic input ports, a group of hydraulic output ports, and a first group of hydraulic control valves connected therebetween, configured to control the opening and closing of the group of hydraulic output ports through the group of hydraulic control valves; a high and low pressure selection short section including a group of hydraulic connectors, a group of high and low pressure output ports and an oil return ports, and a second group of hydraulic control valves connected therebetween. The group of hydraulic connectors are connected to the group of hydraulic output ports, and are configured to control the opening and closing of the group of high and low pressure output ports and the oil return port through the input mode and pressurization adjustment of the second group of hydraulic control valves and the horizon selection short section.
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