Patent · US Expired

Down hole power conversion means for fully utilizing batteries

US4624136A · kind A · utility

7Cited by
7References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 1985
Grant dateNov 25, 1986
Priority date
Expiry dateMar 29, 2005

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B41/0085
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A self-contained, down hole powered electrical system in which the available power of a battery source is matched by a power conversion means to the power required in the down hole equipment and the power conversion means provides a regulated voltage output.

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