New Cluster Based on the Severo-Danilovskoye Field
The Company is working on its project to develop the Danilovsky oil and gas production cluster which consists of four fields (Severo-Danilovskoye, Yuzhno-Danilovskoye, Verkhneicherskoye and Lisovsky). The dense arrangement of the license areas and the proximity of the Verkhnechosnkoye field will bring meaningful synergies from shared use of the ground infrastructure.
As part of its pre-launch efforts on the Severo-Danilovskoye field, the Company is actively building well pads, infield roads, and engineering facilities. The field construction includes drilling 95 wells on 10 well pads, a reservoir pressure maintenance system, and other top-priority infrastructure facilities. The Company commenced construction of a 93 km long oil pipeline which is set to connect the Severo-Danilovskoye field and the Verkhnechosnkoye field to transport crude oil to oil treatment units and subsequently to trunk pipelines.
Russkoye Field Development
The Company continues to develop the Russkoye field. In 2019, it drilled and completed 81 horizontal wells, including 23 multilateral and multihole wells. A total of 279 wells have been drilled here, including 49 multilateral wells. As part of pilot tests on multilateral wells, Rosneft conducted geological zoning to rank complex wells to maximise the sweep efficiency at laminated heterogeneous formations. Having launched the Zapolyarnoye metering station, the Company started delivering crude oil from the Russkoye field to Transneft’s trunk pipelines. It also commissioned an APG-fired power plant. Compared to 2018, Rosneft nearly tripled its production of liquid hydrocarbons to 0.8 mmt in 2019. The Company continues production drilling, getting ready to launch the second phase of the Zapolyarnoye metering station, the oil pipeline connecting the central gathering facility and the Zapolyarnoye metering station, as well as an innovative project for self-sufficient preliminary water discharge unit.
Development of an Expanded High-Priority Area at the Yurubcheno-Tokhomskoye Field
Vostsibneftegaz is running a project to develop an expanded high-priority area at the Yurubcheno-Tokhomskoye field, located in the Evenki District of the Krasnoyarsk Territory.
The choice of best development solutions coupled with quick construction of production facilities and advanced drilling technologies helped Vostsibneftegaz increase its production of liquid hydrocarbons by 76% year-on-year to 4.1 mmt in 2019.
Vostsibneftegaz uses innovations to increase exposure to deposits within the pay zone and enhance the oil recovery rate. Rosneft views the techniques and approaches it tried and tested at the Yurubcheno-Tokhomskoye field as its core solutions, planning to roll them out to other projects.
In 2019, it drilled 39 new wells, up 26% year-on-year. The Company relies on horizontal drilling to effectively develop vuggy fractured reservoir rocks with highly heterogeneous porosity and permeability both along the vertical axis and across the floor area. Some wells demonstrated record-high flow rates in excess of 500 t per day. The Company decided to expand this high-priority area with a view to bringing additional reserves into production.
Vostsibneftegaz continues well testing and logging, keeps streamlining well operations, installing telemetry systems and switching to artificial lift wells with a view to optimising the field development and gathering additional information on wells and deposits.
Srednebotuobinskoye Field Development
Taas-Yuryakh Neftegazodobycha is developing the Central Block and the Kurungsky licence area of the Srednebotuobinskoye oil and gas condensate field, which is one of Rosneft’s top-3 assets in Eastern Siberia.
In 2019, production of liquid hydrocarbons at the Srednebotuobinskoye field increased by 1.4 times year-on-year to 4 mmt. The growth was driven by the extensive use of horizontal and multilateral wells, including those leveraging the Fishbones stimulation technology. Multilateral wells proved to be successful in 2019 and the Company decided to roll them out with a view to developing under-gas-cap zones. In 2019, the operator ramped up water injection volumes for reservoir pressure maintenance from 3.7 to 5.6 mmcm, a 51% increase year-on-year.
On 15 September 2019, the Company marked a new milestone with 100 mmt of oil produced since the commencement of commercial production.
Rosneft continues to construct a high-pressure gas compressor for reservoir pressure maintenance and better APG utilisation while also building a gas turbine power plant for internal needs and preparing well pads for drilling.
Vostochno-Messoyakhskoye Field Development
In 2019, the Vostochno-Messoyakhskoye field, a joint project of Rosneft and Gazprom Neft, increased its production of crude oil by 22% year-on-year to 2.7 mmt (attributable to the Company’s share). The growth was driven by active drilling operations, new wells going on stream, well interventions on existing wells, and the reservoir pressure maintenance system being deployed. In 2019, 112 new wells were commissioned with an average initial flow rate of 100 t per day. In order to boost the well productivity rate and the scope of reserves under development, the Company massively leverages multilateral wells, including using the Fishbones stimulation technology, with 42 multilateral wells commissioned in 2019.
Kuyumbinskoye Field Development
The Kuyumbinskoye field is developed by Slavneft-Krasnoyarskneftegaz, a joint venture of Rosneft and Gazprom Neft. In 2019, it drilled 53 new production wells, up 71% year-on-year. The Kuyumbinskoye field saw its first-ever controlled pressure drilling operation on a horizontal well. Compared to 2018, the Kuyumbinskoye field doubled its production of liquid hydrocarbons to 0.5 mmt in 2019 (attributable to the Company’s share).
In April 2019, Slavneft-Krasnoyarskneftegaz commissioned the central gathering facility with an annual capacity of 1.6 mmt and the oil and gas collecting pipeline connecting the right bank of the Podkamennaya Tunguska River and the central gathering facility. In December 2019, the central gathering facility saw its capacity expanded to 2.9 mmtpa. Rosneft continues to build field facilities and supporting infrastructure.
Severo-Komsomolskoye Field Development
The Severo-Komsomolskoye field proceeded with the pilot development programme for the PK1 formation. 20 new horizontal wells were commissioned with horizontal sections of 1.5–2 km and an average initial flow rate of 137 t per day. In 2019, the asset produced 0.4 mmt of liquid hydrocarbons, up 83% year-on-year. Following the analysis of its pilot activities in 2018–2019 and amendments to its geological hydrodynamic model, the Company updated its full-scale development strategy and targets for the PK1 formation, streamlined well completion practices (with all wells to be equipped with inflow control devices), adjusted project implementation phases with a view to bringing the most proven reserves of the western and eastern areas into production, and developed an exploration and appraisal programme.
The Company and its partner, Equinor ASA, decided to launch Phase 1 of the full-scale Severo-Komsomolskoye field development.