Patent · US Expired

Apparatus for extracting recorded information from a logging tool

US4928088A · kind A · utility

25Cited by
7References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 1989
Grant dateMay 22, 1990
Priority date
Expiry dateMar 10, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08C23/00
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A communications system for providing communication between a downhole well logging apparatus and external equipment in which a portion of the external equipment is placed in an aperature in a side wall of the well logging and electromagnetic signals are exchanged.

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