The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 20, 2020

Filed:

Sep. 05, 2018
Applicant:

Weatherford Technology Holdings, Llc, Houston, TX (US);

Inventors:

Richard Lee Giroux, Bellville, TX (US);

Daniel Purkis, Cruden Bay, GB;

Richard Dalzell, Kirriemuir, GB;

Jason Duthie, Blackburn, GB;

Ian Jaffrey, Insch, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/10 (2006.01); E21B 33/13 (2006.01); E21B 33/14 (2006.01); E21B 34/06 (2006.01); E21B 43/04 (2006.01);
U.S. Cl.
CPC ...
E21B 43/10 (2013.01); E21B 33/13 (2013.01); E21B 33/14 (2013.01); E21B 33/146 (2013.01); E21B 34/066 (2013.01); E21B 43/045 (2013.01);
Abstract

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.


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