Discover 65 new and updated Reservoir Evaluation Reports from across the globe in C&C Reservoirs’ latest content release. This update includes a wide spread of global oil and gas analogues, including: 19 from Asia-Pacific, 13 from the Middle East, 11 from North America, 9 from Africa, 6 from Latin America, 5 from Russia and the Caspian, and 2 from Europe.

Release Highlights:

Alpine Field (Alaska, USA) – Onstream since 2000, this field has a STOIIP of 1225 MMBO and an EUR of 691 MMBO (56.4% RF). Owing to the reservoir conditions, this field was developed exclusively using horizontal wells. However, due to the weak aquifer drive, WAG miscible injection began within a month of start-up causing a production plateau at 121,746 BOPD during 2005-07. As of 2024 the field was producing 25,236 BOPD when cumulative stood at 632 MMBO.

Greater Rumaila (Southern Iraq) – Onstream since in 1954, this is one of the world’s largest fields with a 125 BBO and 17 TCF. The field saw sporadic production until the early 2000s when a massive programme of infill drilling, horizontal wells, workovers and zonal injection, with fieldwide water injection from 2013, lifted rates in the Mishrif reservoir. Production rates were 988,000 BOPD in North and South Rumaila in 2017 for the Zubair sandstones and 491,000 BOPD for the Mishrif carbonates in 2020.

Kashagan Field (Kazakhstan) – Onstream since 2013, the Kashagan has a STOIIP of 36.6 BBO and an EUR of 13 BBO (35.5% RF). The light-volatile oil is produced by solution-gas drive, while oil rates depend largely on the success of reinjecting the produced raw, sour and toxic solution gas at high pressures.

Lancaster Field (UK) – Located in the Faeroe-Shetland Basin, and discovered in 2009, this field did not come onstream until 2019 owing to the complex nature of the fractured basement reservoir. STOIIP was initially estimated at 2326 MMBO, however rapid water breakthrough and pressure decline led to a catastrophic 94% downgrade in volumes. Production is expected to end this year.

Velásquez Field (Colombia) - Located in the Middle Magdalena Basin, this field has a STOIIP of 647 MMBO and an EUR of 269 MMBO, for a 41.5% recovery factor. An intensive drilling campaign during 1955-58 led to a plateau averaging 27,153 BOPD in 1959-60. The implementation of waterflooding in 2006 modestly rejuvenated output. By end-2023 the field was producing 2961 BOPD and the cumulative reached 192 MMBO.

Zhetybay Field (Kazakhstan) – Onstream since 1965, the field has a STOIIP of 2578 MMBO and an EUR of 957 MMBO (37% RF). The light oil is produced by aquifer, gas-cap expansion, and solution-gas drive, supported by rod pumps and cold/hot water injection. Hydraulic fracturing, renewed development drilling and horizontal wells have improved oil production and waterflood efficiency.  

See full April 2025 Reservoir Evaluation Reports release list here   l   KeyFacts Energy Industry Directory: C&C Reservoirs