Compact cable suspended pumping system for lubricator deployment

US8534366B2 · kind B2 · utility

Assignee

• ZEITECS B.V. · NL

Inventors

• Lance I. Fielder · Sugar Land, US
• Matthew Crowley · Katy, US
• Holger Franz · Aachen, DE
• Johannes P. Schmidt · Aachen, DE
• Benjamin Eduard Wilkosz · Aachen, DE

Key dates

• Filing date: Jun 4, 2010
• Grant date: Sep 17, 2013
• Expiry date: May 5, 2031

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F04D29/606
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

A method of installing or retrieving a pumping system into or from a live wellbore includes connecting a lubricator to a production tree of the live wellbore and raising or lowering one or more downhole components of the pumping system from or into the wellbore using the lubricator.