Tim Stephens Email & Phone Number

Brisbane, Queensland, Australia

Brisbane, Queensland, Australia

Lead the subsurface team to plan and deliver field development strategies for the Mahalo CSG field. Analyse historic pilot production, develop well spacing assesments, type curves and production profiles for multiple alternative development scenarios during select phase. Deliver a field development plan that balances key project risks, surface constraints, optimal economic metrics and strategic opportunities.Develop and build a compositional CBM model in IX to capture variations in gas… Show more Lead the subsurface team to plan and deliver field development strategies for the Mahalo CSG field. Analyse historic pilot production, develop well spacing assesments, type curves and production profiles for multiple alternative development scenarios during select phase. Deliver a field development plan that balances key project risks, surface constraints, optimal economic metrics and strategic opportunities.Develop and build a compositional CBM model in IX to capture variations in gas stream composition with depletion in the Narrabri field development strategy. Work with production and facilities teams to understand anticipated gas composition changes with depletion and develop strategies to bias gas composition with blending from alternative development areas.Mentor peers and junior reservoir engineering staff on a weekly basis. Run training course on topics of choice. Salient topics have included theory and practice for PTA & RTA interpretation, core analysis (conventional and CSG), compositional modelling and PVT, field development planning and reservoir studies. Show less

Adelaide, Australia

Western Flank Reservoir Simulation engineer, tasked with building full-field numerical models of the Namur-McKinlay reservoirs for future exploitation and field development planning. Establish consistent rock typing and Leverett J saturation model for McKinlay reservoir productivity matching and forecasting of oil and water production.Offshore Otway reservoir engineer for the Thylacine field. Develop and maintain MBAL, Prosper and GAP models for reserves and forecasting. Create and… Show more Western Flank Reservoir Simulation engineer, tasked with building full-field numerical models of the Namur-McKinlay reservoirs for future exploitation and field development planning. Establish consistent rock typing and Leverett J saturation model for McKinlay reservoir productivity matching and forecasting of oil and water production.Offshore Otway reservoir engineer for the Thylacine field. Develop and maintain MBAL, Prosper and GAP models for reserves and forecasting. Create and history match full field numerical models for reservoir development and exploitation. Build full petrophysical saturation, porosity and permeability models in Petrel for static and dynamic volumetrics, and simulation modelling in support of field development planning.Perform VOI and decision tree studies for strategic development planning, offshore and onshore, incorporating input from Geoscience, petrophysics, D&C, economics.Design and implement a High-Performance Computing cluster (512 cores) for cross-department use (geophysics and reservoir simulation). Liaise with internal stakeholders and external contractors to deliver a fit-for-purpose system on time and on budget.Mentor junior engineering staff and run in-house bespoke training as required. Establish regular cross discipline RE community to share ideas and work. Show less

Provide risked history matched models using the Tempest-Enable assisted history matching software for the Mangahewa and Kapuni Field developments. Assist geologists with dynamic input into static model construction. History match multiple geological realizations and feedback reservoir connectivity and compartmentalization insights to geologists and geophysicists.Build and history match the Kapuni K1 and K3 reservoirs for future field exploitation planning. Build static and dynamic… Show more Provide risked history matched models using the Tempest-Enable assisted history matching software for the Mangahewa and Kapuni Field developments. Assist geologists with dynamic input into static model construction. History match multiple geological realizations and feedback reservoir connectivity and compartmentalization insights to geologists and geophysicists.Build and history match the Kapuni K1 and K3 reservoirs for future field exploitation planning. Build static and dynamic models of the K2 reservoir with co-populated 3D seismic attributes to assess potential for future development and exploitation.Perform basic analytical analysis (well test interpretation, RTA, material balance) of historic production wells for input into simulation models of a complex 18 well field with 16 years of production history in multiple stacked fluvial reservoirs.Build compositional fluid models (PR) and match CCE, CVD PVT data for compositional simulation of retrograde condensate behaviour.Identify development and exploitation opportunities for field development planning and output risked production profiles, completion and drilling schedules for reserves reporting. Show less

Manage and steer reserves assessment and audit process at Senex. Established standard method and procedure to estimate reserves. Interfaced with geology, surface, completions, drilling and economics teams to provide integrated reserves booking pack and communicated results to management and key stakeholders.Perform economic assessment and screening of development opportunities in conventional and unconventional targets. Develop and run economic models to propose development and… Show more Manage and steer reserves assessment and audit process at Senex. Established standard method and procedure to estimate reserves. Interfaced with geology, surface, completions, drilling and economics teams to provide integrated reserves booking pack and communicated results to management and key stakeholders.Perform economic assessment and screening of development opportunities in conventional and unconventional targets. Develop and run economic models to propose development and exploitation decisions for green and brown-field reservoirs.Exploration and appraisal prospect evaluation and assessment. Data room opportunity analysis and subsurface engineering advice for strategic business decisions. Subsurface advisory role and participation in strategic acreage assessment processes covering CSG, tight gas and oil.Analysis of production data using classical analytical reservoir engineering tools including pressure and rate transient analysis, P/z material balance and analytical tank modeling.Oil field appraisal and exploitation. Responsible for dynamic modeling, history matching and field development planning for waterflood in the Growler and Spitfire fields, western flank Cooper Basin.Tight gas exploration and appraisal. Responsible for completion design, well testing and production data analysis of deep tight gas wells in the Senex Energy Cooper Basin acreage. Show less

Brisbane

Provide analytical reservoir analysis, analytical and numerical simulation forecasts, reserves estimates and field development scenarios ready for implementation.Classical reservoir engineering techniques (rate/pressure transient analysis, P/z material balance, analytical tank modeling, interference analysis and decline curves) to evaluate historic production, pressure and development of brown-field reservoirs, Cooper Basin.Analyse and interpret production and pressure data from… Show more Provide analytical reservoir analysis, analytical and numerical simulation forecasts, reserves estimates and field development scenarios ready for implementation.Classical reservoir engineering techniques (rate/pressure transient analysis, P/z material balance, analytical tank modeling, interference analysis and decline curves) to evaluate historic production, pressure and development of brown-field reservoirs, Cooper Basin.Analyse and interpret production and pressure data from mature coal reservoirs. History match, and forecast production for reserves and depletion planning purposes and report to management, joint venture partners and peers.Identified the Palmer-Mansoori effect (matrix shrinkage/permeability increase) after interpreting over 60 gas well tests (PTA) in a mature CBM field.Produced over 80 single-well models for production forecasting and reserves estimation purposes. Produced two full-field Petrel/Eclipse reservoir simulation models of green-field assets. Project started with base well-log and seismic data input to full field dynamic simulation and economic modeling. Show less

Brisbane, Australia

Msc.(Pet Eng), Reservoir Simulation, Well Test Analysis.

Bachelor Of Science - Bs, Biotechnology