Objectives • Expro’s analytical data services (ADS) team was invited by Chevron Energy Technology Centre to participate in their 2014 performance evaluation for oilfield water laboratories – the aim of the study was to assess the performance and quality of data produced by laboratories that analyse oilfield waters for Chevron’s global upstream operations • 34 laboratories (14 internal to Chevron, and 20 third-parties) took part from across the globe including: Angola, Australia, Bangladesh, Brazil, Indonesia, Kazakhstan, Nigeria, Philippines, Singapore, Thailand, UK and USA • Participants were provided with six blind water standards for the determination of ionic composition (54 possible analyses) – in order to accommodate the various types and oilfield waters typically analysed the test materials included three low salinity waters (TDS < 10,000 mg/L) and three high salinity waters (TDS > 100,000 mg/L) • Laboratories were required to report their samples within two weeks Expro Excellence • Expro’s ADS team tested all the samples provided using standard, in-house test methods in the same manner as routine client samples (i.e. using standardised procedures) and completed all 54 analyses • All analyses were carried out at the Expro ADS laboratory in Chandlers Ford, UK • 52 of the analyses were carried out using ISO 17025 accredited test methods • Expro were ranked joint 1st with a performance rating of 98.1% (based on completed analyses and data reported) Value to client • Chevron’s study verifies the expertise in water chemistry and the ability of the ADS laboratory to generate consistently accurate and technically valid results for oilfield waters Expro’s ADS team completed a similar exercise for Chevron in 2013. On that occasion, Expro was one of only four laboratories out of 27 participants who completed a full suite of 66 analyses and were ranked 1 st with a performance rating of 98.5%. Fluids Expro Excellence exprogroup.com Chevron recognises that the provision of accurate, reproducible and high-quality oilfield water data is critical for reservoir production. • Expro was one of only five laboratories who completed the full suite of 54 analyses • Ranked joint 1st by Chevron with a performance rating of 98.1% • Based on 2013 and 2014 results, Expro consistently outperforms other laboratories / Expro Excellence Expro consistently outperforms other laboratories in fluid analysis and proven as a supplier of choice: ranked joint 1 st in Chevron’s 2014 performance evaluation Fluids Fluid Sampling & Analysis Contact For further information, please contact: Keith Sawdon ADS Laboratory Manager Fluids [email protected] www.exprogroup.com/fluids

Expro Excellence Fluids

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Objectives

• Expro’s analytical data services (ADS) teamwas invited by Chevron Energy TechnologyCentre to participate in their 2014performance evaluation for oilfield waterlaboratories – the aim of the study was toassess the performance and quality of dataproduced by laboratories that analyseoilfield waters for Chevron’s global upstreamoperations

• 34 laboratories (14 internal to Chevron, and20 third-parties) took part from across theglobe including: Angola, Australia,Bangladesh, Brazil, Indonesia, Kazakhstan,Nigeria, Philippines, Singapore, Thailand,UK and USA

• Participants were provided with six blindwater standards for the determination ofionic composition (54 possible analyses) –in order to accommodate the various typesand oilfield waters typically analysed thetest materials included three low salinitywaters (TDS < 10,000 mg/L) and three highsalinity waters (TDS > 100,000 mg/L)

• Laboratories were required to report theirsamples within two weeks

Expro Excellence

• Expro’s ADS team tested all the samplesprovided using standard, in-house testmethods in the same manner as routineclient samples (i.e. using standardisedprocedures) and completed all 54analyses

• All analyses were carried out at the ExproADS laboratory in Chandlers Ford, UK

• 52 of the analyses were carried out usingISO 17025 accredited test methods

• Expro were ranked joint 1st with aperformance rating of 98.1% (based oncompleted analyses and data reported)

Value to client• Chevron’s study verifies the expertise inwater chemistry and the ability of theADS laboratory to generate consistentlyaccurate and technically valid results foroilfield waters

Expro’s ADS team completed a similar exercise for Chevron in 2013. On that occasion,Expro was one of only four laboratories out of 27 participants who completed a full suiteof 66 analyses and were ranked 1st with a performance rating of 98.5%.

FluidsExpro Exce l lence exprogroup.com

Chevron recognises that theprovision of accurate,reproducible and high-qualityoilfield water data is criticalfor reservoir production.

• Expro was one of only fivelaboratories who completed thefull suite of 54 analyses

• Ranked joint 1st by Chevron witha performance rating of 98.1%

• Based on 2013 and 2014 results,Expro consistently outperformsother laboratories

/ Expro Excellence

Expro consistently outperforms otherlaboratories in fluid analysis and proven asa supplier of choice: ranked joint 1st inChevron’s 2014 performance evaluation

FluidsFluid Sampling & Analysis

ContactFor further information, please contact:

Keith SawdonADS Laboratory ManagerFluids

[email protected]/fluids

Chevron Case Study_A4 23/03/2015 09:16 Page 1