Patent · US Expired

Non-damaging workover and completion fluid

US4938288A · kind A · utility

4Cited by
5References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 5, 1989
Grant dateJul 3, 1990
Priority date
Expiry dateMay 5, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S507/925
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to a method of preventing potential subterranean formation damage caused by calcium based completion and well servicing brines.

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