Home Fossil Energy Santos looks for all-clear for plug and desert ops at Australian field June 12, 2024, by Melisa Čavčić Australian energy gamer Santos has actually sent an environment strategy (EP) to the nation’s overseas regulator, covering decommissioning activities at a field off the coast of Australia. Map of Tern-2 well place; Source: Santos Within its environment strategy, turned over to the National Offshore Petroleum Safety and Environmental Management Authority (NOPSEMA), Santos proposed to plug and desert (P&A) the Tern-2 wellhead situated within the Tern field of retention lease license WA-27-R in the Bonaparte Basin within Commonwealth waters, roughly 300 km WSW of Darwin, in water depths of roughly 83 m. According to the business, all wells in the Tern field have actually been completely plugged and deserted other than Tern-2, which is presently categorized as momentarily deserted. As an outcome, the focus in the company’s EP is on setting up and confirming extra well barriers to supplement the existing system and support the elimination of the wellhead and well facilities at the seabed. The P&A project is stated to be primarily worried with the elimination of devices to get rid of future risks to the environment or other usages of the location as best as practicable. A carbon steel drilling design template and residues of a cement outdoor patio buried listed below the mudline will not be obtained. Rather, these will stay in situ in eternity. If leaving the wellhead in situ is required, Santos highlights that the recurring danger to other marine users and the environment is viewed to be really low. While the Australian company elaborates that the P&A project will be carried out utilizing a light well intervention vessel (LWIV), it likewise mentions that it is expected that an assistance vessel will not be needed throughout P&A activities, nevertheless, arrangement for a single assistance vessel is represented throughout the EP. In addition, a from another location run lorry (ROV) will likewise be utilized to perform activities such as rust cap cleansing and an ‘as left’ ROV study that will be carried out after the P&A activity while helicopters and an assistance vessel might be utilized to move team and devices to and from vessels/LWIV and help in emergency situations as needed. Relating to the activities for the P&A of Tern-2, the company describes that these might require rust cap elimination, consisting of marine development elimination from wellhead facilities; well stability examination such as wireline drift run, wireline cement bond logging of wellbore case; and irreversible seclusion of the tank like desertion plug setting. There is likewise the wellhead healing, covering wellhead severance and healing, wellhead leave in-situ contingency if complete healing is not possible; vessel operations such as LWIV and contingent assistance vessel; ROV activities, consisting of well website studies; and helicopter activities for emergency situations. Despite the fact that the activity period is anticipated to use up to roughly 10 days of constant operations, 40 days of activity period has actually been thought about to permit unanticipated hold-ups. When begun, operations will be 24 hours each day, 7 days weekly, however the precise timing and period of the P&A activities undergo LWIV schedule, regulative and organization approvals, and metocean conditions. Santos is dealing with bringing brand-new tasks online. To this end, the company has actually made development at its Barossa gas field advancement offshore Australia with the current conclusion of a 262-kilometer gas export pipeline. Published: 5 days ago With hull, topsides, and turret and mooring system building 98%, 94%, and 96% total, respectively, the FPSO BW Opal, which will be released at the field, is advancing per the existing schedule for the very first gas in the very first half of 2025. Published: about 1 month earlier Posted: 2 months ago Posted: about 1 month back Posted: 15 days ago Posted: 2 days ago Posted: 3 months ago Posted: 14 days ago Posted: about 1 month ago
Santos looks for all-clear for plug and desert ops at Australian field – Offshore Energy
