Rock Physics and Seismic Amplitude Calibration Study

<div><p style='text-align:justify; color:windowtext; text-indent:0px; padding-right:0px; padding-left:0px; font-style:normal; font-weight:normal; margin-right:0px; margin-left:0px; background-color:transparent;'><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>In support of the 32nd Licence Round, the NSTA is releasing a rock physics study which has been conducted by Ikon Science. The study covers two parts of the UKCS – the Central North Sea (CNS) and the East Shetland Basin (ESB) and consists of the petrophysical and rock physics analysis of 45 wells</span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'> and a seismic amplitude study of selected 3D seismic data sets.</span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'> </span></p></div><div><p style='text-align:justify; color:windowtext; text-indent:0px; padding-right:0px; padding-left:0px; font-style:normal; font-weight:normal; margin-right:0px; margin-left:0px; background-color:transparent;'><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>All of</span><span style='background-color:inherit;'> the deliverables from this project </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>have been loaded to the </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>Data P</span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>ack</span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>age</span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'> tabs in the </span></span><a href='https://ndr.ogauthority.co.uk/dp/controller/PLEASE_LOGIN_PAGE' style='color:inherit; text-decoration:none;' target='_blank' rel='nofollow ugc noopener noreferrer'><span style='color:rgb(0, 0, 255); font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt; text-decoration:underline;'><span style='background-color:inherit;'>National Data Repository</span></span></a><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'> (NDR) and the </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>user should download the data from there. The NSTA’s Well Data Availability layer has been updated to reflect which wells now have rock physics data available. </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'> </span></p></div><div><p style='text-align:justify; color:windowtext; text-indent:0px; padding-right:0px; padding-left:0px; font-style:normal; font-weight:normal; margin-right:0px; margin-left:0px; background-color:transparent;'><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>The exception to this delivery via the NDR </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>are</span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'> the seismic attributes that have been derived from 3D seismic volumes owned by PGS. </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>To </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>gain free access to these derived seismic </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>volumes, users will need to have </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>licensed the underlying multi-client </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>data </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>owned by PGS</span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'> and to this end, will need to contact </span></span><a style='color:inherit; text-decoration:none;' target='_blank' rel='noopener noreferrer'><span style='color:rgb(0, 0, 255); font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt; text-decoration:underline;'><span style='background-color:inherit;'>PGS</span></span></a><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'> directly.</span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'> For the CNS area</span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>,</span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'> this </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>relates to </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>surveys </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>PGS17003 </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>and </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>PGS16008</span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>. For the ESB area this </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>relates to surveys PGS EOK-2012 </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>and</span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'> PGS ESB-10.</span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'> </span></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'><span style='background-color:inherit;'>Any issues with accessing these attribute volumes should be sent to </span></span><a style='color:inherit; text-decoration:none;' target='_blank' rel='noopener noreferrer'><span style='color:rgb(0, 0, 255); font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt; text-decoration:underline;'><span style='background-color:inherit;'>nsta.correspondence@nstauthority.co.uk</span></span></a><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'></span><span style='font-family:Arial,Arial_MSFontService,Sans-Serif; font-size:11pt;'> </span></p></div>