Patent · US Expired

Method for evaluation of formation invasion and formation permeability

US4716973A · kind A · utility

220Cited by
7References
27Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 15, 1986
Grant dateJan 5, 1988
Priority date
Expiry dateDec 15, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01V3/20
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A method is presented for evaluation of formation invasion and formation permeability by conducting a series of formation resistivity loggings in the operation of a measurement while drilling (MWD) logging system.

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