Ruby Natural Gas Field in the Makassar Strait, Indonesia

Ruby _inpex

Description of Ruby Natural Gas Field

Ruby gas field is located between Kalimantan and Sulawesi Island, 300km south of Balikpapan city in Indonesia. The field lies at a depth of 60m (198ft) within the Sebuku Production Sharing Contract (PSC) in the Makassar Strait. The Ruby gas field lies in the 2,345km² Sebuku PSC block.

“The field is expected to produce about 250 billion cubic feet of gas during its expected life of ten years.”

<The details of the Sebuku PSC>

Field(Area) : Sebuku PSC(2,345 km2)

Participating Interests:

  • Mubadala Petroleum 70%(Operator)
  • Total 15%
  • INPEX 15%

Location : Approximately 300km south of Balikpapan

Water Depth : Approximately 50m~100m

The Plan of Development (POD)

The field development plan was approved by the Government of Indonesia in July 2008.

The construction and installation of the Ruby field infrastructure

The development of gas Ruby gas filed by Mubadala Petroleum situated in Makassar Straits, between Kalimantan Island and Sulawesi Island, was approved in June 2011.

The Operator & their investment

Mubadala Petroleum holding 70 percent working interest is the Operator. Meanwhile, Total E&P Sebuku and INPEX South Makassar hold 15 percent working interest respectively.

Mubadala Petroleum and its partners, Total E&P Sebuku and Inpex South Makassar Ltd., have invested approximately $500 million in building the project’s facilities.

Mubadala Petroleum is an upstream oil and gas exploration company owned by the Abu Dhabi government. It has assets in 12 countries with a focus on the Middle East, Africa, Central and Southeast Asia.

PEARLOIL (Sebuku), a subsidiary of Mubadala Petroleum, operates the Ruby gas field. Mubadala Petroleum started operating the block after it acquired Singapore-based Pearl Oil (Sebuku) Limited in 2008.

Ruby gas field infrastructure

The offshore production and processing facilities at the Ruby field include a tripod wellhead platform (WHP) and four-leg processing and quarters platform (PQP), which were constructed in Pendingan and Handil respectively.

The WHP and PQP steel jacket loadouts were constructed in Batam.

From this platform, a 14-inch subsea pipeline is built for 312 kilometers connecting the platform to special terminal of gas processing facility in Senipah operated by Total E&P Indonesie.

The natural gas produced at the field is delivered through a subsea pipeline to an onshore processing facility at Mahakam Block.

The gas is then processed and supplied to a fertiliser plant, situated in East Kalimantan, through an onshore pipeline.

The 194 mile (312 kilometer)-long subsea pipeline that connects the Ruby platform to the dedicated terminal for processing at the Senipah onshore gas plant, operated by Total E&P, was installed at the end of 2012.

The platform facilities were constructed between September 2011 and March 2013. The platforms installation was completed in June 2013.

Contractors involved

ShawCor’s pipe coating division Bredero Shaw was awarded a contract worth $30m to provide pipeline coatings and related products and services for the field in March 2013. The scope of the contract included coating the 14 inch diameter export and tie-in pipelines with three layers of asphalt enamel anti-corrosion coatings and concrete weight coating. The works also included anode procurement and custom coating installation.

Saipem was selected by PearlOil (Sebuku) to provide transportation and installation of offshore structures for the field in September 2011. The contractual scope included providing transportation and installation of the PQP, WHP and an interconnecting bridge.

Gas Production

The first gas from Ruby field is produced after the completion of four production well drilling and offshore platform installation.

The Ruby gas development project has been delivered safely, within budget and as planned in October 2013.

The first gas production from the field occurred in June 2013, while full scale gas production commenced in October 2013, with the establishment of an export pipeline at the field.

Gas Field Ruby, Sebuku Block operated by the affiliate of Mubadala Petroleum in Indonesia started its production on 27 October 2013. Ever since, the production of 85 billion of British thermal unit per day (bBtud) was supplied to domestic buyer, PT. Pupuk Kalimantan Timur (PKT) to support the National Program for Food Security in Indonesia.

The Ruby field produces gas, from four production wells, at the rate of about 100 million standard cubic feet per day (17,000boed).

The field is expected to produce about 250 billion cubic feet of gas during its expected life of ten years. The gas is sold within Indonesia for domestic use.

Picture : ” Production Facility of the Ruby gas field ”

Image courtesy of Inpex Corporation.

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2 responses to “Ruby Natural Gas Field in the Makassar Strait, Indonesia

  1. Pingback: Gas demand in Indonesia and the challenges | Mande Blog·

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