© 2010 Chevron CUE Well Reliability COIN Meeting Jan 26th, 2011 Robert Steneker 1

© 2010 Chevron CUE (UK Assets) – Management of Well Reliability Topics to be covered: –Well Operations Policy –Well Integrity Dashboard –Well Integrity Panel 2 Key Point: The Asset owns Well Integrity

© 2010 Chevron CUE – Well Ops Policy  The purpose of the CUE Well Ops Policy is to: –Define what is a well Anomaly –Define interfaces/roles and responsibilities of those involved with the Management of wells –Specify the monitoring, maintenance, testing and reporting requirements required for these wells. –Explain the concept of a “Well Integrity Panel” and detail its role and responsibilities. 3

© 2010 Chevron CUE – What Constitutes an Anomaly 4 –Change in annulus pressure regime. –Failed test of any surface or Down hole valves –Change in the nature of produced fluids (H 2 S, CO 2, sand, etc). –Deferment of a planned well maintenance activity/test. –Conductor centraliser movement as noted during topsides structural inspections or Subsea DSV inspections –Any other failure of the Well Performance Standard

CUE – Well Anomaly Process 5 Well Anomaly ID’ed by asset WAR Generated Safe to Continue? Make changes defined by WAR RA required? Follow RA Recommendations Conduct RA, approved by WTA/WE Shut in Well N Y N Y WAR – Well Anomaly Report RA – Risk Assessment WTA – Well technical Authority WE - Well Examiner

CUE – Well Integrity Dash Board 6

CUE – Well Integrity Dash Board Downhole Equipment 7

© 2010 Chevron CUE – Well Integrity Panel 8  The standing members of the WIP shall be represented by the following job functions as a minimum: –Senior Completions Engineer (Chair); –Drilling and Completions Co-ordinator; –Well Services Co-ordinator; –Xmas Tree and Wellheads Specialist; –Production Engineers –Maintenance, Reliability & Integrity Engineer; –Well Examiner  Audit Function of the Assets (asset presents current condition to WIP)  Supplies Technical support as required to the Asset  Facilitates best practise sharing across the assets  Reports to Sr. Management on a Monthly Basis with Trends and issues