Patent · US Expired

Methods and apparatus for downhole completion cleanup

US6328103A · kind A · utility

25Cited by
17References
58Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 16, 1999
Grant dateDec 11, 2001
Priority date
Expiry dateDec 16, 2019

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B49/082
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A method of performing a downhole well completion cleanup is provided. In a described embodiment, completion fluids from a first zone are flowed into a tubular string, and then the fluids are discharged into a second zone. An apparatus usable in the method is provided, in which a downhole pump is utilized to pump the fluids from one zone to the other. The pump may be operated in a variety of manners. The apparatus may also include fluid identification sensors and telemetry devices for monitoring the progress of the cleanup operation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.