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NATURAL RESERVES GROUP INC

Overview
  • Total Patents
    18
About

NATURAL RESERVES GROUP INC has a total of 18 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets civil engineering are WWT INTERNATIONAL INC, XTREME WELL TECHNOLOGY LTD and CROW STEPHEN L.

Patent filings per year

Chart showing NATURAL RESERVES GROUP INCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Earth drilling

Top inventors

# Name Total Patents
#1 Graham Stephen A 7
#2 Scales Bert F 6
#3 Graham Stephan A 5

Latest patents

Publication Filing date Title
CA2233086A1 Method for isolating multi-lateral well completions while maintaining selective drainhole re-entry access
CA2233227A1 Method and apparatus for selective horizontal well re-entry using retrievable diverter oriented by logging means
US5651415A System for selective re-entry to completed laterals
US5715891A Method for isolating multi-lateral well completions while maintaining selective drainhole re-entry access
US5697445A Method and apparatus for selective horizontal well re-entry using retrievable diverter oriented by logging means
US5337808A Technique and apparatus for selective multi-zone vertical and/or horizontal completions
US5289876A Completing wells in incompetent formations