Mature fields
This paper presents a case study from a mature field redevelopment project where pulsed neutron logging was integrated with advanced reservoir modeling to improve the understanding of fluid-contact dynamics and optimize new horizontal well placement.
This paper aims to showcase examples of how integrated analysis of surveillance data in the Azeri-Chirag-Gunashli field has improved reservoir understanding and informed reservoir-management decisions.
Disposal wells remain the lowest-cost solution for produced water, but concerns over seismicity and long-term sustainability are accelerating interest in alternatives.
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This work introduces an analytical model for nonisothermal CO2 injection that accounts for both Joule-Thomson cooling and interformation heat exchange. -
Equinor and its partners’ investment in the Troll West Increased Gas Recovery North (TWIN) project aims to unlock around 11 Bcm of additional natural gas from the Troll field, with first production targeted as early as 2028.
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In the fourth development phase, a planned tieback would connect resources from two North Sea discoveries to existing infrastructure at the Johan Sverdrup field, pending project sanction.
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Production delivered by the subsea artificial lift system will equal that obtained by drilling two new wells, according to BP.
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Thanks to stepout-well and tieback technologies, Shell’s Mars platform is the first single offshore platform in the US Gulf to produce 1 billion bbl of crude over its lifetime with production expected to continue into the 2040s.
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BP said it expects to keep the Azeri-Chirag-Gunashli (ACG) project in production into the 2040s by tapping into separate nonassociated gas reservoirs.
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Still flowing nearly 40 years after startup, Gullfaks recently delivered its 5,000th cargo of sweet, low-sulfur crude to Sweden, underscoring how Equinor’s aging shelf assets continue to support Europe’s energy supply.
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This paper describes the successful deployment of flexible coiled tubing technology in an oil-producing well of the offshore Frade field in Brazil’s Campos Basin.
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Talos Energy founder Tim Duncan has been named executive chairman of newly formed 1947 Oil & Gas, which will focus on acquiring and developing mature, shallow-water assets through its buyout of Renaissance Offshore. The deal is expected to close in Q2 2026.
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The country’s foreign investment bid comes as Sonatrach launches its largest capital expenditure outlay—$60 billion to be spent from 2026 to 2030.
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