ORLEN Upstream Norway AS (OUN) is an oil and gas company that is growing and we are searching for a Principal/Senior Development & Production Geologist.

The Subsurface North Unit is looking for a new Development & Production Geologist to be part of a team who is responsible for 10 producing assets and 9 developing assets within the OUN portfolio. Activity level is high with the continuous drilling of production and infill wells, requiring a need to update geological models to provide the basis for critical business decisions. Over the next 12 months the Subsurface North team will be responsible for following drilling of 14 production wells, taking 9 developments through internal project decision gates and performing updates to a number of geo-models. The position will be responsible for the geological support to the Skarv & Ærfugl, Ormen Lange and Duva producing fields as well as the upcoming Adriana/Sabina & Cerisa development projects. This is an opportunity for a Principal/Senior Development and Production Geologist to provide expert support within a strong technical team to mature current projects and identify additional opportunities for future business decisions.

The successful candidate will be expected to perform integrated reservoir and field evaluations through technical evaluation of available geological data, development of in-house geo-models and the review of operator models. They will be required to plan, review and follow-up development and infill drilling activities, provide input to regular reserves updates of key assets, and contribute to the technical evaluation of M&A opportunities targeted to deliver production growth within OUN's portfolio.

This is an exciting opportunity to join an international team of highly motivated and dedicated colleagues, working in a fast-paced and rewarding environment. 

Duties and responsibilities

Accountabilities

Guide and coordinate geological modelling needs for monitoring reservoir performance in all producing assets
Recommend development and production geological support to other departments and mentor less senior staff
Develop and update 3D geological models to estimate HCIIP and provide static input to dynamic models
Analyze risks and uncertainties and provide risk reducing measures
Provide analysis-based recommendations to investment decisions

Main tasks

As company expert optimize the understanding of producing areas and maturation of upside potential in OUN developing and producing assets through integration of all available data describing reservoir architecture and properties
Guide and coordinate integration of well, seismic, geological and other potential field data types as required to maintain an up-to-date geological understanding of the subsurface and associated operational risks, incorporating new data as they become available
Guide and coordinate scope for increased oil recovery in the short, medium and long term
Perform in-house integrated reservoir modelling studies within a multidisciplinary environment covering geoscience, reservoir engineering and production technology
Perform uncertainty analyses and use geo-statistical methods to estimate uncertainty ranges for mapping, modelling and reserves calculations
Perform discovery and field assessments integrating seismic attributes into reservoir characterization and volumetric uncertainty studies
Review integrated reservoir modelling studies provided by the Operator
Cooperate with Petrophysicists and Reservoir Engineers to assess risks and implement risk reducing measures
Guide and coordinate recommendations to drainage strategies for fields in development
Independently identify and recommend new or infill well targets
Assist across departments in analyzing production performance and propose well work-over candidates
Assist across departments in generating probabilistic simulation workflows to estimate ranges in field performance forecasts and reserves
Maintain an updated field and development reservoir management plan for OUN’s non-operated assets
Support planning and follow up of appraisal and production wells, incl. establishing drilling targets and optimizing well trajectories to maximize resource potential
Support in exploration and license acquisitions as required
Supervise specialist or outsourced studies
Represent the company in non-operated production licenses as required
Represent the company in License Committees as required
Support exploration teams and contribute to round applications and business development evaluation projects as required
Prepare for and participate in Peer Reviews/Assists
Keep updated on new technologies, developments and best practices in production and development geology

Qualifications

Education

Master’s degree in Geology or relevant discipline is preferred

Experience

10+ years’ of development and production geology experience with an E&P Company
Experience gained working in multi-disciplinary teams on both operated and non- operated assets
Experience working in license committees, with the ability to act as company representative to influence decisions

Relevant experience can compensate for lack of formal education.

Language requirements

Fluency in English (oral and written)

Technical requirements

Expert knowledge of development & production geology and tools for geological interpretation and reservoir modelling skills
Expert knowledge of development & production geology technological advances and best practices
Ability to influence in Full Economic Reviews
Expert user of Petrel software
Expert knowledge of stratigraphy, sedimentology, and structural geology of petroleum basins
Expert knowledge of development and infill well planning, and the subsequent drilling operation follow-up
Expert knowledge of static modelling with experience in providing direct input to the construction of simulation models
Expert knowledge of uncertainty modelling tools
Expert knowledge of well logging, well log interpretation and their integration in geo-modelling
Knowledge of seismic interpretation and integration in geo-modelling
Working knowledge and experience with ArcGIS, GeoTeric, and Paleoscan softwares
Working knowledge of the petroleum value chain and business development
Established industry network

Personal qualities

Team player with strong relationship building skills across different disciplines
Strong sense of responsibility and ability to complete tasks with minimal supervision
Potential for creativity and ability to interpret new knowledge and acquired information
Good communication and presentation skills
Ability to adapt to a changing environment

We can offer

ORLEN Upstream Norway AS offers a sound professional environment with varied tasks
Positive and supporting working environment
Relevant professional training
Competitive employment terms
Attractive insurance and pension plans
Flexible working hours

We strive for diversity and consider all qualified applicants for employment without regard to ethnicity, religion, age, sex, national origin, or any other legally protected characteristics.

Applications will be reviewed on an ongoing basis.

Please note that we will only contact candidates selected for interview. If you do not hear from us you should assume that your application has not been successful.

Contacts

Nigel Marsh, Subsurface Director, nigel.marsh@pgnig.no
Benedicte Aarø, HR Administrator, benedicte.aaro@pgnig.no

Location

Moseidsletta 122
4033 STAVANGER

Key information:

Employer: ORLEN Upstream Norway AS

Reference number: 4895625748
Percentage of full-time: 100%
Permanent position
Application deadline: 07/02/2025

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