SAKHALIN-1 - RUSSIA’S FIRST OFFSHORE DRILLING PROJECT CELEBRATES 25th ANNIVERSARY

25 years ago the Sakhalin-1 Production Sharing Agreement was signed between the Government of the Russian Federation, Sakhalin Regional Administration and international consortium. The consortium includes Rosneft, ExxonMobil (USA), ONGC Videsh Ltd. (India), and SODECO (Japan). Sakhalin-1 is one of the Russian major projects with foreign direct investment, being an example of the use of advanced technologies for development of hydrocarbons in sub-Arctic settings. Years of the Sakhalin-1 project implementation showed outstanding operational indicators.
The cumulative output of oil and condensate has exceeded 125 million tonnes. Over 28 bcm (billion cubic meters)of natural gas has been supplied to Far East consumers.
Potential recoverable reserves of the project account for 307 million tonnes of oil and 485 bcm of natural gas.
Sakhalin-1 is a project of technological records. Nine of ten longest wells in the world have been drilled on its fields. The current world record belongs to the well drilled from the Orlan platform, which is 15,000 metres long, with a vertical deviation of 14,129 metres. The upper part of the Berkut platform, weighing about 42,000 tonnes, is another record holder as the heaviest topside built on the high seas by thrust method. Total weight of the Berkut platform exceeds 200,000 tonnes.
The crude from the project is transferred to Chayvo onshore treatment facilities on Sakhalin Island and then is pumped through a pipeline to De-Kastri terminal and offloaded to consumers by tanker fleet. During the project over 1,200 tankers of the high-profile Sokol crude have been offloaded.
The implementation of the Sakhalin-1 project ensures balanced income to the Russian Federation budget. By now, it has provided over 1.2 trillion roubles including over 500 billion roubles to the Sakhalin Regional budget.
Sakhalin-1 project includes the development of three offshore fields, Chayvo, Odoptu and Arkutun-Dagi, located on the north-eastern shelf of Sakhalin Island. The first field, Chayvo, was launched in 2005; Odoptu in 2010, and Arkutun-Dagi in January 2005.
The Chayvo field is developed from both onshore and offshore facilities. The north-western part of the main Chayvo field oil reservoir was developed using the Yastreb onshore drilling rig. Oil and gas production on Chayvo is also carried out from the Orlan offshore platform. It is used for the development of south-western part of the main maintenance site of the Chayvo field.
The Odoptu field is located approximately 70 kilometres north from the Chayvo drilling site. Drilling was started in May 2009 after the relocation of the Yastreb drilling rig from the Chayvo field and its modernization.
The Arkutun-Dagi oil and gas field is located approximately 25 kilometres from north-eastern shore of the Sakhalin Island, to the east from the Chayvo field. Development of this field is carried out using the new Berkut offshore drilling and production platform.
Products from all drilling sites are transferred to the Chayvo onshore treatment facility. The facility was initially designed for the treatment of up to 34,000 tonnes of oil per day, but due to successful engineering solutions and installation of additional equipment the day treatment capacity reached 41,000 tonnes in 2019.
(Source and image: Rosneft - Image: Orlan platform offshore Sakhalin)

LAST TURBINE INSTALLED AT GALLOPER OFFSHORE WIND FARM

December 26, 2017

innogy SE announced that the final wind turbine has been installed at Galloper Offshore Wind Farm, concluding the installation of all 56 Siemens Gamesa...

Read More+
STATOIL SUBMITS PLANS FOR THE SNORRE EXPANSION PROJECT

December 26, 2017

Statoil is submitting the plan for development and operation (PDO) of the Snorre Expansion Project to the authorities. At the same time, contracts worth...

Read More+
ENI ACHIEVES ALL-TIME PRODUCTION RECORD

December 25, 2017

Eni has reached its all-time production record of 1 million and 920 thousand barrels of oil equivalent per day (boe/d). This record level of production...

Read More+
ITER WORLD’s MOST COMPLEX SCIENCE PROJECT 50% COMPLETED

December 23, 2017

The International Thermonuclear Experimental Reactor (ITER), a project to prove that fusion power can be produced on a commercial scale and is sustainable,...

Read More+
ENI OPERATOR OF EVANS SHOAL FIELD OFFSHORE WESTERN AUSTRALIA

December 22, 2017

Eni has acquired the whole 32.5% interest from Shell Australia Proprietary Limited (Shell) in the Evans Shoal gas field, and has become the Operator of...

Read More+
22-WELL CONTRACT FOR TRANSOCEAN SPITSBERGEN

December 22, 2017

  Transocean Ltd. announced that the harsh environment semi-submersible Transocean Spitsbergen was awarded a 22-well contract with an estimated...

Read More+
SEABED GEOSOLUTIONS SECURES BOTTOM NODE CONTRACT OFFSHORE TRINIDAD

December 22, 2017

Seabed Geosolutions, a joint venture between CGG and Fugro, has been awarded a 3D ocean bottom node (OBN) seismic acquisition project over the greater...

Read More+
WEST PHOENIX TO WORK ON THE FENJA DEVELOPMENT

December 22, 2017

North Atlantic Drilling Ltd has been awarded a six firm well contract with VNG Norge for the semi-submersible West Phoenix for work on the Fenja development...

Read More+
ENI PRODUCES FIRST GAS FROM GIANT ZOHR

December 21, 2017

Eni has produced its first gas from the supergiant Zohr field in a record time for this type of field of less than two and a half years. The discovery,...

Read More+
ROSNEFT SPUDS FIRST ULTRA-DEEPWATER WELL IN THE BLACK SEA

December 21, 2017

Rosneft has spudded the Maria-1 exploration well offshore in the Black Sea. Forecasted oil in place for Zapadno-Chernomorskaya licence area is estimated...

Read More+
NEW 2D PROJECT IN THE RED SEA FOR TGS ANDS SCHLUMBERGER

December 21, 2017

TGS and Schlumberger announced a new 2D seismic project offshore Egypt. The project will comprise acquisition of a 10,000 km 2D long-offset broadband multiclient...

Read More+
VARD TO CONSTRUCT FIRST HYBRID CRUISE ICEBREAKER

December 21, 2017

The Norwegian shipbuilder Vard has secured a contract for the design and construction of one luxury polar expedition cruise vessel for French cruise company...

Read More+