Independent audit of ONGC reserves every five years Vol 7, PW 4 (07 May 03) News in Brief ONGC has shortlisted three consultants to carry out an independent audit of its reserves: DeGolyer & McNaughton, Gaffney Cline & Associates and IPR.... Buy this article forRs490 $9 For a 30-article or annual subscription rates click here RelatedWanted: reserves audit at 4 GSPC blocks (11 Jan 24) Safety audit for ONGC helicopters (21 Oct 21) Workover rigs are just as important for ONGC (05 May 16) Jagson mobilising Matdrill next month (25 Feb 16) Cairn wants ONGC support in PSC extension talks (24 Apr 14) Welcome changes in ONGC terms for three rigs (07 Mar 13) Enron's legacy will make PMT audit a nightmare (07 May 09) OVL begins appraisal of Qatar block (14 Jun 07) ONGC to appoint DeGolyer for exploratory well audit (17 May 07) Independent audit of ONGC reserves every five years (07 May 03)