Telemetry operated tools for cementing a liner string
摘要
<p>A liner deployment assembly (LDA) for use in a wellbore includes: a crossover tool. The crossover tool includes: a seal for engaging a tubular string cemented into the wellbore; a tubular housing carrying the seal and having bypass ports straddling the seal; a mandrel having a bore therethrough and a port in fluid communication with the mandrel bore, the mandrel movable relative to the housing between a bore position where the mandrel port is isolated from the bypass ports and a bypass position where the mandrel port is aligned with one of the bypass ports; a bypass chamber formed between the housing and the mandrel and extending above and below the seal; and a control module. The control module includes: an electronics package; and an actuator in communication with the electronics package and operable to move the mandrel between the positions.</p>
申请公布号
AU2014250835(A1)
申请公布日期
2015.11.12
申请号
AU20140250835
申请日期
2014.04.11
申请人
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
发明人
GIROUX, RICHARD LEE;PURKIS, DANIEL;DALZELL, RICHARD;DUTHIE, JASON;JAFFREY, IAN