AMPP Genoa 2026 · Paper 26-122
MICBUSTERS field qPCR validation presented at AMPP Genoa 2026
Four environmental and industrial validation studies show how the MICBUSTERS field qPCR workflow can provide rapid, controlled and operationally useful microbiological information for upstream oil and gas water systems.
The main conclusion
The studies presented in Genoa provide the validation evidence base for using the MICBUSTERS field qPCR technology as a rapid screening and trend-monitoring workflow for microbiologically influenced corrosion, or MIC. Field qPCR consistently reproduced relevant concentration trends, particularly for universal bacterial targets.
The results also define the method’s boundaries: field and central-laboratory qPCR values should not be assumed to be directly interchangeable without matrix-specific calibration, internal controls and clearly defined decision thresholds.
An international corrosion meeting in Genoa
The fourth AMPP Italy Conference & Expo took place from 9 to 12 June 2026 at the Magazzini del Cotone in Genoa’s historic Porto Antico. The international event brought together corrosion specialists, researchers, engineers, asset owners and technology providers from Europe and other regions.
The technical programme covered corrosion management in oil and gas facilities, refineries and pipelines, alongside protective coatings, cathodic protection, inspection, monitoring, hydrogen service, renewable energy and materials performance.
AMPP’s own reporting from Genoa highlighted the importance of technical exchange, professional collaboration and connecting research with real operational experience. That combination made the conference a particularly relevant platform for presenting the validation of a practical field technology for microbiologically influenced corrosion.
More information about the event is available through the official AMPP event page .
Validation of field qPCR for rapid MIC monitoring
During the conference, Herman de Vries of MICBUSTERS presented paper 26-122: “Validation of Field qPCR for Rapid MIC Monitoring in Upstream Oil and Gas Water Systems.”
The paper was jointly prepared by Jodi B. Wrangham of Baker Hughes and Herman K.C. de Vries of MICBUSTERS. The collaboration brought together field-oriented molecular technology and upstream oil and gas experience, keeping the study focused on a practical question:
Can field qPCR provide sufficiently controlled, rapid and interpretable information to support real MIC monitoring decisions?
This question is more relevant than asking whether a portable method is simply a miniature copy of a central laboratory. Operational teams need to know whether a method can reliably rank samples, identify changes, verify treatment effects and indicate when further investigation is required.
The joint work with Jodi Wrangham and Baker Hughes was important because the validation was not limited to clean laboratory samples. It included industrial and oilfield matrices in which salts, hydrocarbons, sulfide, corrosion products and treatment chemicals can affect DNA recovery and qPCR amplification.
Four layers of validation
The presentation integrated four separate datasets. Together, these studies assessed the complete workflow across environmental water, industrial water, offshore process water and onshore oilfield water.
1. Independent method validation
An independent state-owned laboratory tested the field filtration, DNA extraction and qPCR workflow using environmental surface water and diluted sewage samples. The study included E. coli and human Bacteroides targets.
2. Industrial water comparison
Heat-exchanger water samples were tested side by side using field and laboratory workflows for universal bacteria and proxy assays related to iron-oxidizing and iron-reducing microorganisms.
3. Offshore field trial
Field qPCR measurements from North American offshore process waters were compared with conventional culture-based tests for acid-producing bacteria and sulfate-reducing microorganisms.
4. Onshore oilfield comparison
Process and injection waters from a South American oilfield were analysed side by side for universal bacteria and archaea using the field and central-laboratory workflows.
| Validation layer | Principal result | Meaning for MIC monitoring |
|---|---|---|
| Independent laboratory validation | Dilution series produced a clear stepwise response. Field and laboratory qPCR showed strong agreement, while agreement between culture and qPCR varied. | The complete field workflow was responsive and internal controls successfully identified problematic extracts. |
| Industrial water systems | Universal bacterial results showed a correlation of r = 0.90 with n = 13. Across all quantifiable targets, the correlation was also r = 0.90 with n = 33. | Field qPCR reliably ranked the samples by bacterial concentration. Low-abundance proxy targets required more conservative interpretation. |
| Offshore process waters | Reported correlations were approximately r = 0.982 for acid producers, r = 0.670 for sulfate reducers and r = 0.75 when both culture groups were combined. | Field qPCR was positively associated with legacy oilfield microbiology results, although culture and DNA measurements represent different endpoints. |
| Onshore oilfield waters | Universal bacterial concentrations correlated strongly with laboratory qPCR: r = 0.987, n = 4. Field results were, on average, 1.43 log10 lower. | The field method preserved the ranking of the samples but required matrix-specific calibration before laboratory-equivalent quantities could be reported. |
What the studies validate about the MICBUSTERS technology
The combined evidence demonstrates that the MICBUSTERS field workflow can reproduce operationally relevant concentration trends across a variety of samples. This is the intended use for which the technology has been validated: rapid screening, prioritisation and repeated trend monitoring close to the sampling location.
Validated for its intended field use
The results support using MICBUSTERS field qPCR to rank samples, detect meaningful changes, identify high-biomass locations and provide rapid input for follow-up decisions.
The studies do not support treating every field result as an automatically interchangeable copy of a laboratory value. Instead, they demonstrate a controlled and transparent field method with clearly identified quality requirements.
In the industrial water study, the field workflow reproduced the relative ranking of samples across approximately four orders of magnitude. Both methods identified the same high-biomass locations, making the field results useful for prioritising additional investigation.
In the onshore oilfield dataset, field measurements were systematically lower than the central-laboratory results, but both methods identified the same concentration pattern. For operational screening, preserving this pattern is often more important than producing an identical number.
Internal controls are essential in upstream matrices
Produced water and injection water are challenging molecular samples. Hydrocarbons, salts, iron compounds, sulfide, solids and production chemicals may reduce DNA recovery or interfere with amplification.
In the oilfield comparison, a synthetic internal standard was used to evaluate both extraction recovery and PCR inhibition. The internal-standard Cq values ranged from 23.08 to 25.44. This quality-control layer helped distinguish a genuine low microbial result from a result affected by poor recovery or inhibition.
Internal controls are consequently not an optional addition. They are a central part of the validated MICBUSTERS workflow and of reliable quantitative PCR analysis.
From a field result to an operational decision
Conventional culture tests may require days or weeks before a result becomes available. During that period, the process condition responsible for the original sample may already have changed.
A controlled field qPCR result available within hours can support earlier decisions, including:
- Prioritising locations for intensified or repeated sampling.
- Checking microbial trends before and after biocide treatment, flushing or pigging.
- Investigating elevated sulfide, nitrate conversion or deposit formation.
- Selecting samples that require central-laboratory confirmation or sequencing.
- Developing site-specific baselines and operational action levels.
This approach is also relevant for companies currently relying on culture-based monitoring. The differences between these methods are discussed further in our article BART Test vs. On-Site qPCR for MIC .
qPCR remains one part of a multiple-lines-of-evidence assessment
MIC is a biofilm-driven corrosion process influenced by microorganisms, water chemistry, deposits, materials, flow and operating conditions. No individual microbiological number can prove that corrosion is microbiologically influenced.
Field qPCR results should therefore be evaluated together with:
Microbiology
Total bacteria and archaea, sulfate reducers, acid producers, nitrate reducers, methanogens and mechanistically relevant biomarkers.
Corrosion information
Coupon results, electrical resistance probes, pit morphology, wall-loss data and failure analysis.
Chemistry
Sulfide, iron, oxygen ingress, nitrate, nitrite, organic acids, pH and treatment chemicals.
Operational context
Flow regime, stagnant zones, deposits, temperature, water source, pigging history and biocide application.
This integrated interpretation is consistent with the multiple-lines-of-evidence approach to MIC diagnosis . Sequencing remains valuable when wider microbial-community context is required, while qPCR is especially suited to frequent monitoring and treatment verification.
Collaboration between Baker Hughes and MICBUSTERS
The study presented in Genoa underlines the value of collaboration between technology developers and organisations with extensive industrial field experience.
Jodi Wrangham of Baker Hughes and Herman de Vries of MICBUSTERS jointly evaluated data from multiple environments rather than relying on a single demonstration. This created a broader and more realistic evidence base for assessing how field qPCR performs under actual monitoring conditions.
The collaboration also helped keep the interpretation practical. The purpose was not simply to achieve the highest possible laboratory correlation. The purpose was to determine whether the technology provides reliable information at the time and location where operational decisions are made.
MICBUSTERS sincerely thanks Jodi Wrangham for the scientific collaboration, critical evaluation and contribution to bringing the combined validation evidence to the international AMPP community.
Conclusion
The AMPP Genoa presentation demonstrated that the MICBUSTERS field qPCR technology has been validated as a rapid screening and trend-monitoring workflow for MIC-relevant microbiology in environmental, industrial, offshore and onshore water samples.
Strong trend agreement was observed for universal bacterial targets, while the studies also clearly identified the conditions under which additional calibration, replication or laboratory confirmation is required.
The result is not an uncontrolled shortcut to laboratory analysis. It is a validated, quality-controlled field workflow designed to provide faster evidence, support better sampling decisions and strengthen MIC monitoring programmes.
Further reading from MICBUSTERS
Frequently asked questions
Was the MICBUSTERS field qPCR technology validated?
Yes. The four studies provide a validation evidence base for using the MICBUSTERS workflow as a rapid screening and trend-monitoring method. Validation was demonstrated across environmental, industrial, offshore and onshore water samples. Matrix-specific calibration remains necessary when field values are to be compared directly with laboratory quantities.
Can field qPCR replace central-laboratory qPCR?
It can support many rapid screening and monitoring decisions, but the two workflows are not automatically interchangeable. Differences in DNA extraction, instruments, preservation and sample inhibition may produce systematic offsets.
Does a high qPCR result prove that MIC is occurring?
No. qPCR detects and quantifies selected genetic targets. MIC diagnosis requires the microbiological results to be interpreted alongside corrosion, chemistry, deposits and operational information.
Why is field qPCR useful when laboratory confirmation is still required?
Field qPCR provides information within hours. It can identify high-priority samples, reveal trends, evaluate treatment effects and determine where more extensive laboratory analysis should be focused.
Validate field qPCR for your own process matrix
Water composition, treatment chemicals and sampling conditions differ between assets. MICBUSTERS can help set up a paired field-and-laboratory validation, define internal quality controls and develop site-specific monitoring thresholds.
Leave your email address to discuss a field demonstration or a matrix-specific validation study.
Sources and references
- Wrangham, J.B. and de Vries, H.K.C. (2026). Validation of Field qPCR for Rapid MIC Monitoring in Upstream Oil and Gas Water Systems. Fourth AMPP Italy Conference & Expo, Genoa. Paper 26-122.
- Knisz, J. et al. (2023). Microbiologically influenced corrosion: more than just microorganisms. FEMS Microbiology Reviews, 47(5), fuad041. View publication.
- Puentes-Cala, E., Tapia-Perdomo, V. and Espinosa-Valbuena, D. (2022). Microbiologically influenced corrosion: The gap in the field. Frontiers in Environmental Science, 10, 924842. View publication.
- Senthilmurugan, B. et al. (2021). Assessment of microbiologically influenced corrosion in oilfield water handling systems using molecular microbiology methods. Upstream Oil and Gas Technology, 7, 100041.
- Sidstedt, M., Rådström, P. and Hedman, J. (2020). PCR inhibition in qPCR, dPCR and MPS: mechanisms and solutions. Analytical and Bioanalytical Chemistry, 412, 2009–2023. View publication.
- Association for Materials Protection and Performance. Fourth International Conference & Expo, Genoa 2026 .