ENVIRONMENTAL STATEMENT BARDOLINO DEVELOPMENT

More documents

Recommendations

Info

Bardolino Development Environmental Statement Activity / Source of Potential Impact 4. Accidental / Emergency Events 4.1 Release of hydrocarbons during drilling, installation, well blow-out, well test or other well incidents. Possible Environmental Effects Prevention, Control & Mitigation Measures Significance Rating (refer Table 5.3 for key) • Creation of an oil sheen or oil slick on the sea surface around point of release. Possible subsequent movement and spreading of oil slick from original site of release. • The effects of any accidental spill would depend on the type of oil spilled, the size of the spill, the prevailing metocean conditions, and the actions taken in response to the spill. • All offshore operations would be carefully planned to minimise the likelihood of accidents, including those that might give rise to oil leaks and spills. • There will be specific procedures in place for bunkering (refuelling) the drilling rig offshore, if required. • In the event of an oil spillage to sea, the Nelson Field Oil Spill Contingency Plan (OSCP) (including Bardolino) would be activated. • The integrity of the well would be monitored; there would be safety valves on production trees. • The wells would be controlled in accordance with principles and procedures laid out in the current Shell Well Engineering Information System, in order to ensure that pressures were contained securely. • The well/pressure control equipment would be regularly tested. The drilling rig would be equipped with a blow-out preventer (BOP), and the BOP and related equipment would be pressure tested every 21 days with intermediate function tests every 8-13 days • The crew of the drilling rig would be given environmental awareness training prior to the start of the drilling programme. • Specific procedures would be in place to manage and control bunkering and the transfer of base oil, in order to minimise the likelihood of accidental spills. • Key well site personnel are trained and certified according (IWCF) international Well Control forum. Well design has been designed according Shell EPE technical standards. Risks for well control are as low as reasonable practicable. Moderate – see Section 6 • All offshore operations would be carefully planned to minimise the likelihood of accidents, including those that might give rise to oil leaks and spills. • It is therefore very unlikely that significant amounts of oil would escape or be spilled at the Bardolino site. Page 5-16 April 2008
Bardolino Development Environmental Statement Activity / Source of Potential Impact 4. Accidental / Emergency Events, continued 4.2 Leak or spillage of chemicals from the rig 4.3 Failure of the pipelines Possible Environmental Effects Prevention, Control & Mitigation Measures Significance Rating (refer Table 5.3 for key) • The accidental release of chemicals could lead to a deterioration in water quality at the site of release, and possible toxic effects on marine life. • There would be specific procedures on the drilling rig for the storage, handling and use of all chemicals. • The inventory of chemicals in the drilling rig would be sufficient only for the Bardolino drilling programme. • The chemicals on board would be carefully selected so as to minimise potential environmental effects, in accordance with Offshore Chemical Regulations 2002. • Please refer to item 4.1 • Please refer to item 4.1 • The pipeline would be designed, fabricated, installed and tested to ensure that it complied with the required specification and expected lifetime. • The pipeline would be regularly monitored by means of internal inspection to confirm its integrity. • Emergency shutdown valves would activate to minimise uncontrolled release of produced fluids • In the event of an oil spillage to sea, the Nelson Field Oil Spill Contingency Plan (OSCP) (including Bardolino) would be activated. April 2008 Page 5-17 Minor • Procedures would be in place to reduce the likelihood of accidental spillages or releases to very low levels. • The chemicals that would be present would be of low hazard to the environment, and only small volumes would be stored on the drilling rig. Moderate – see Section 6 • Please refer to item 4.1 • With the monitoring and control procedures that would be in place, any leak or failure in the pipeline would be quickly identified, and the pipeline would be shut down rapidly, thus minimising the amount of produced fluid released.
Page 1 and 2:
ENVIRONMENTAL STATEMENT BARDOLINO D
Page 3 and 4:
Bardolino Development Environmental
Page 5 and 6:
Page 7 and 8:
Page 9 and 10:
Page 11 and 12:
Page 13 and 14:
Page 15 and 16:
Page 17 and 18:
Page 19 and 20:
Page 21 and 22:
Page 23 and 24:
Page 25 and 26:
Page 27 and 28:
Page 29 and 30:
Page 31 and 32:
Page 33 and 34:
Page 35 and 36:
Page 37 and 38:
Page 39 and 40:
Page 41 and 42:
Page 43 and 44:
Page 45 and 46:
Page 47 and 48:
Page 49 and 50:
Page 51 and 52:
Page 53 and 54:
Page 55 and 56:
Page 57 and 58:
Page 59 and 60:
Page 61 and 62:
Page 63 and 64:
Page 65 and 66: Bardolino Development Environmental
Page 115: Bardolino Development Environmental
Page 167 and 168:
Page 169 and 170:
Page 171 and 172:
Page 173 and 174:
Page 175 and 176:
Page 177 and 178:
Page 179 and 180:
Page 181 and 182:
13 th March 2008 Dear Sir or Madam,
Page 183 and 184:
To: Paul Wood Shell U.K Limited, Se
Page 193 and 194:
Page 195 and 196:
What risks to marine mammals do pil
Page 197 and 198:
Noise propagation modelling. Noise
Page 199 and 200:
If, for any reason, piling operatio
Page 201 and 202:
APPPENDIX 1 MARINE MAMMAL RECORDING
show all

ENVIRONMENTAL STATEMENT BARDOLINO DEVELOPMENT

Create successful ePaper yourself

Delete template?

Save as template?