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Project history

1977: Odoptu field identified as holding potential oil and/or gas reserves, followed by Chayvo (1979) and Arkutun-Dagi (1989)

1996: Production Sharing Agreement for the project becomes effective

1995-2000: Exploration period includes the drilling of seven appraisal wells and acquisition of more than 1,200 square kilometers of three-dimensional seismic data

2001: Sakhalin-1 Consortium declares the project commercial and the Russian Federation approves the declaration, formally ending the exploration period

2004: Russian government approves the Technical and Economic Substantiation for Construction, allowing Sakhalin-1 to begin full-scale construction of project facilities

2005: Production startup at the Chayvo field in October

2006: Sakhalin-1 oil transportation system commissioned in August

2007: Exxon Neftegas Limited has completed drilling of the Z-11 (11,282 m.) extended reach well at the Chayvo field in April 

2008:

  • February – Z-12 well drilled at the Chayvo field, setting a new world record for extended reach drilling (11,680 meters)
  • December – International Petroleum Technology Conference (IPTC) recognizes Sakhalin-1 with it's Excellence in Project Integration Award

2009:

  • May – Drilling at the Odoptu field begins in May, highlighting the start of the next phase of Sakhalin-1
  • November – Sakhalin-1's De-Kastri Oil Export Terminal named 2009 Terminal of the Year by IV Annual International Congress

2010: Production startup at the Odoptu field in September

2011:

  • January – OP-11 well declared at Odoptu field, setting a new world record for extended reach drilling at a total measured depth of 12,345 meters (7.67 miles).  The OP-11 well also sets a world record with a horizontal reach of 11,475 meters (7.13 miles)
  • Septemeber – De-Kastri Oil Export Terminal celebrates its fifth anniversary of safe tanker loadings

2012:

  • April – Sakhalin-1 loads 500th tanker with crude oil at the De-Kastri Terminal in Khabarovsk Krai
  • Sakhalin-1 completes and installs gravity-based structure (GBS) for the Arkutun-Dagi platform Berkut, offshore Northeast Sakhalin
  • August – Sakhalin-1 Project breaks own record for drilling world`s longest extended-reach well Z-44 (12.376 m.) at the Chayvo field, offshore Russian Far East
  • November – Sakhalin-1 gas supplies to Khabarovsk Krai region reach 10 billion cubic meters
  • December – Inauguration of Technical Oil and Gas Institute of Sakhalin State University

2013: Exxon Neftegas Limited, on behalf of the Sakhalin-1 consortium, made a US $5 million contribution to the healthcare and education of Sakhalin Oblast in January

2014:

  • April – Z-40 well declared at Chayvo field, setting a new world record for extended reach drilling at a total measured depth of 13,000 meter
  • June – Berkut platform’s topsides successfully installed at Arkutun-Dagi field

2015: Exxon Neftegas Limited announced it began production at the Arkutun-Dagi field

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