Enhancing Oil Recovery in Waterflooded Oil Fields with a Commercial, Microbial Process Brian G. Clement, Ph.D. Vice President, Technology Glori Energy, Inc. Tomorrows Oil from Yesterdays Wells Confidential
Glori Energys AERO Technology Additional oil from existing fields through biology No exploration, development costs Field results show up to 12% additional recovery (% of OOIP) Mobilize oil more efficiently than water-flooding…
Why Microbes Secondary production (water flooding) leaves 60% of oil in place Oil recovery from sandstone is a micro-scale problem Microbial effects often show promise in the lab, but mixed field success What has worked 2…
AMEOR Statoil offshore AMEOR: Aerobic, Microbial EOR developed by Statoils Egil Sunde in both lab and field trials Comprises stimulation of aerobic microbial growth on residual oil via nutrient supplementation in water-flooded fields…
Statoil-Glori Collaboration Statoil and Glori began collaboration focused on onshore operations in 2010 Offshore oil operations have limited flexibility for testing Onshore offers diversity and simplified operation Many small fields…
AEROTM How It Works Low cost: Indigenous microbes Standard Waterflood Low-dose inorganic nutrients injected Injection well continuously Residual oil is the carbon source Water Holistic pathway Add biofilm micrograph Modify…
AEROTM How It Works Low cost: Indigenous microbes Waterflood with AERO Low-dose inorganic nutrients injected Injection well with AERO technology continuously Residual oil is the carbon source Holistic New Modify injection water…
AERO Impact AERO Start Projected Original Oil Barrels of Oil per Day Log Scale Projected Additional Oil A B C Economic Limit Longer Economic Life Today Time Confidential
Field Project Data Kansas Project (SPE-published) California Project Alberta Project (JPT-published) 8 Confidential
AEROTM Kansas Project SPE Paper July, 2011 100-200% oil increase in 6 weeks at the target producer 9-12% incremental OOIP recovery 14-month pilot No increase in produced water Incremental oil - 10-15/bbl. AERO Injector…
AEROTM California Project Response was seen exclusively in distant, up-dip wells Field injection variances could not account for the uplift AERO was the only unique feature Field returned to original decline after AERO injection…
AEROTM Alberta Project Incremental recovery = 68 mbo and rising Life extension of the field = 5-8 years while increasing reserves 4x J. Petrol. Tech. Article March 2015 Confidential
AEROTM Alberta Response Pattern Active Producer AERO Response in Distant, Up-Dip Wells AERO Injector Wells W and L-H responsible for field G uplift W Injector-Producer distance 1200 ft L-H P Highest producers in structure V…
Novel Mechanism of Residual Oil Flow Field Response Features Lab Evidence Towards a New Model 16 Confidential
Novel mechanism: Field-Scale Features Field responses correlated to structural relief Response is faster than transit time global effect from a local change Kansas 6 week response 1100 feet away California 8 week response in wells…
Dynamic, Rapid Biological Response 125% 65% 70% Uplift Uplift Uplift Microbial effect is faster than transit time, more dynamic than simple bio-plugging Source: SPE paper 154138 Confidential
Novel mechanism Lab Evidence Low-dose nutrient stimulates microbial activity only near from injectors local growth gives global response Core studies show rapid transit of oil Jones, 1985 oil from inlet is produced with oil from…
Residual Oil Flow (ROF) Model ROF Model incorporates novel features of AERO production consistent with Sunde et al., 2012 (SPE 154138) Rapid response over long distances Local effect injection zone process improves production…
Summary and Future AERO field results are very promising Operationally feasible technology Reduced cost per barrel Increased field lifespan Prediction requires revising current models of microbial activity in oil reservoirs…
Glori Energys AERO Technology Additional oil from existing fields through biology No exploration, development costs Field results show up to 12% additional recovery (% of OOIP) Mobilize oil more efficiently than water-flooding…
Thank You 23 Confidential
Additional Slides 24 Confidential
AEROTM Kansas Project Oil production: 500 bopd Treated water injection: 1,600 bwpd (10% of field) Depth: 5,200 ft. Net pay: 20 ft. Porosity: 15% Oil gravity: 38-41 API Water-cut: 92% Permeability: 75 mD 1,100 ft. to primary…
AEROTM California Project Highly laminated sandstone Oil production: 500 bopd Four injectors: 4,000 bpd treated water Depth: 2,500 ft. Net pay: 25 to 100 ft. Porosity: 21 to 26% Oil gravity: 25 API Water-cut: 98% Permeability: 75 mD…
AEROTM Alberta Project Single valley-fill sandstone reservoir Pre-AERO oil production: 30 bopd Water production: 1,100 bwpd Three water injectors: 1,100 bwpd Depth: 3,300 ft. Net pay: 13 ft. Porosity: 23% Oil gravity: 28 API Water-cut:…
AERO Alberta Project: Response Pattern Through July 2013, one low volume producer, well P, had responded Well P was stopped in late July, 2013 Two wells immediately increased in oil cut while fluid rate increased 29…
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