Demonstration
DE
ADNOC · ENHANCED OIL RECOVERY
Reference inputs
ChemEOR · ADNOC testing summary, loaded as inputs for the mock simulation.
Reference · not verified
Source: ChemEOR ADNOC Testing Results Summary (supplied PDF). Values feed the Demonstration workspace only; they never count as measured evidence. "Apply" sets W1 to the waterflood baseline (48.75 % OOIP), W2 to N₂ nanobubbles (55.6 %) and W3 to CO₂ nanobubbles (61 %).
Nanobubble coreflood
% OOIP · CO₂ vs N₂| Result | CO₂-NB | N₂-NB |
|---|---|---|
| After waterflood | 48.6 | 48.9 |
| Incremental | 12.4 | 6.7 |
| Final | 61 | 55.6 |
| Max water-cut reduction (pp) | 10.2 | 5.1 |
| Pressure increase (%) | 7.1 | 4.3 |
| Injectivity retained (%) | 94 | 97 |
Nanobubble fluid interaction
Ambient characterisation| Measurement | CO₂ | N₂ |
|---|---|---|
| Median bubble diameter D50 (ambient) | 135 nm | 158 nm |
| Bubble concentration | 6.2 × 10⁸ /mL | 7.1 × 10⁸ /mL |
| Population after 24 h | 73 % | 84 % |
| Gas uptake after 30 min | 11.5 wt% | 0.83 wt% |
| Oil swelling factor | 1.17 | 1.04 |
| Treated-oil viscosity | 6.9 mPa·s | 11.1 mPa·s |
| Oil-viscosity reduction | 44.4 % | 10.5 % |
| Oil/brine IFT | 7.2 mN/m | 15.6 mN/m |
High-AMPS polymer · 120 °C ageing
Thermal stability| Days | Viscosity mPa·s | Retention % | Filter ratio | Observation |
|---|---|---|---|---|
| 0 | 18.6 | 100 | 1.02 | Clear and homogeneous |
| 7 | 18.2 | 97.8 | 1.04 | Clear; no precipitate |
| 14 | 17.8 | 95.7 | 1.06 | Clear; no precipitate |
| 30 | 17.1 | 91.9 | 1.09 | Homogeneous |
| 60 | 15.9 | 85.5 | 1.15 | Slight haze; no settling |
| 90 | 14.8 | 79.6 | 1.23 | Slight haze; no visible precipitate |
Salinity & hardness · 30 days
mg/L| Polymer | TDS | Ca/Mg | Viscosity | Retention % | Observation |
|---|---|---|---|---|---|
| AMPS | 100,000 | 2,000 | 17.9 | 96.2 | Clear |
| AMPS | 150,000 | 10,000 | 17.6 | 94.6 | Clear |
| AMPS | 200,000 | 20,000 | 17.1 | 91.9 | Homogeneous |
| AMPS | 220,000 | 20,000 | 16.6 | 89.2 | Slight haze |
| HPAM control | 200,000 | 20,000 | 5.8 | 34.3 | Precipitation observed |
Static adsorption · carbonate
Langmuir isotherm| C₀ mg/L | Cₑ mg/L | q mg/g |
|---|---|---|
| 250 | 214 | 0.144 |
| 500 | 444 | 0.224 |
| 750 | 681 | 0.276 |
| 1000 | 925 | 0.3 |
| 1500 | 1419 | 0.324 |
| 2000 | 1915 | 0.34 |
| Dynamic parameter | Result |
|---|---|
| Dynamic polymer retention | 0.110 mg/g rock |
| Resistance factor | 6.8 |
| Residual resistance factor | 1.36 |
| Inaccessible pore volume | 8.1 % |
Illustrative pilot comparison
Reporting template — not field evidence| Indicator | CO₂-NB | N₂-NB |
|---|---|---|
| Baseline oil rate | 410 BOPD | 405 BOPD |
| Peak oil rate | 520 BOPD | 458 BOPD |
| Peak uplift | 26.8 % | 13.1 % |
| Six-month incremental oil | 15,900 bbl | 7,300 bbl |
| Initial response | 18 days | 26 days |
| Injectivity after treatment | 93 % | 96 % |
Laboratory evidence, not field prediction.
High-pressure nanobubble diameter is not measured. Demonstration data is synthetic and cannot qualify evidence. The field and final test matrix remain unconfirmed; no validated proprietary Qualitization method is supplied.