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Our asset base includes a number of prospective fields and license areas at various stages of exploration and development, which provide a basis for future sustainable hydrocarbon production growth. Fields in the Nadym-Pur-Taz Region are located in close proximity to existing transportation and processing infrastructure, which will enable their cost-effective development. The South-Tambeyskoye field, which is an integral part of the Yamal LNG project, is located on the coast of the Gulf of Ob, enabling efficient shipment of LNG to the international markets through the Port of Sabetta. The Salmanovskoye (Utrenneye) field on the Gydan Peninsula is in close proximity of the South-Tambeyskoye field, across the Gulf of Ob.
OAO Arcticgas, a subsidiary of SeverEnergia (economic interest of NOVATEK in SeverEnergia is 54.9%), holds the exploration and production license for the Samburgskiy license area (which includes the Samburgskoye, North-Yesetinskoye, East-Urengoyskoye and North-Purovskoye fields, as well as a part of the Urengoyskoye field) and for the Yaro-Yakhinskoye, North-Chaselskoye and Yevo-Yakhinskoye fields.
In 2012, SeverEnergia began preparatory works for the construction of key infrastructure at the Urengoyskoye field, including a gas treatment facility, gas pipeline to link the field to the UGSS and a gas condensate pipeline to link the field to the Yurkharov – Purovsky Plant pipeline. Geological exploration and development planning for other fields of SeverEnergia continued in 2012. The revision of the geological model for the fields at the Samburgskiy license area and re-estimation of their reserves carried out in 2012 led to major upward revision of resource potential of the license area. The results from testing an appraisal well at the Yaro-Yakhinskoye field resulted in a significant increase its hydrocarbon reserves. Testing of an exploration well at the North-Chaselskoye field led to discovery of a new gas condensate deposit.
In 2013 at the Yaro-Yakhinskoye field the construction efforts were focused on building gas and gas condensate pipelines, well pads, gas treatment facility, gas gathering network, power lines and living quarters. A power plant was launched at the field and construction of the first stage of an oil treatment facility was completed. Thirty (30) production wells have been drilled by the end of 2013.
In 2013 gas and gas condensate pipelines were completed to transport production from the Urengoyskoye field. The construction of power lines was also completed at the field, the works on the well pads, gas gathering system and gas treatment facility were underway. Thirty one (31) production wells have been drilled by the year-end.
Production drilling at the Urengoyskoye field targets the Achimov deposits, which are relatively deep (approximately 3,700 meters) and are characterized by low permeability and high pressure. Drilling vertical wells with hydro fractures is the common way of developing such deposits. As part of NOVATEK’s innovative approach, pilot horizontal drilling was done at the Urengoyskoye field, resulting in successful completion of five wells with horizontal sections of 600-1,200 meters. The horizontal wells delivered two times higher flow rates compared with the fractured vertical wells. A decision was made to review the field development plan and replace vertical wells by horizontals, which will reduce the total number of wells needed to develop the field thus optimizing capital expenditures, accelerating production ramp up and increasing the field’s gas condensate recovery rate.
The development license for the Termokarstovoye field is valid until 2021 and is held by Terneftegaz, in which NOVATEK holds a 51% equity stake.
The Termokarstovoye field was discovered in 1988 and consists of five gas condensate deposits at depths of 2,550 to 3,000 meters.
A decision was made to proceed with field development following successful geological exploration work carried out in 2011 and 2012. In 2012, we undertook work activities relating to field development and infrastructure, and on the project documentation for the field’s transport infrastructure. Preparations for construction works such as hydraulic earth filling, construction of well pads, and construction of river transport facilities for offloading of construction materials were also made.
In 2013 backfilling for the main production facilities was completed. Piling and construction of a living camp and gas and gas condensate pipelines were also underway. A record was set for the wellbore length at the field following the completion of a 5,201-meter gas condensate well with a horizontal section of 2,083 meters. At total of nine (9) production wells have been completed at the field by the end of 2013.
The license for the North-Khancheyskoye field is valid until 2029. One exploration well was drilled in 2012, leading to the discovery of one gas and one gas condensate reservoir. The field’s geological model was finalized, allowing us to proceed with field development planning and design work relating to surface facilities.
The license for the Yarudeyskoye field is valid until 2029 and is held by Yargeo, in which NOVATEK has a 51% equity stake. Most of the recoverable reserves at the field are in located in crude oil deposits.
In 2012, an appraisal well was drilled at the field, which confirmed the field’s geological model and led to an increase of estimated reserves. Work on a development plan for the field was underway.
In 2013 the backfilling of well pads, roads and oil treatment facility started, as well as construction of power lines and gas and crude oil pipelines.
The license for the North-Russkoye field is valid until 2031. A development plan for the field was completed in 2011, and site preparation and hydraulic earth filling were carried out in 2012.