SLB Business Analyst Interview Questions

The questions to prepare for a SLB Business Analyst interview. Questions from real interview reports rank first. Updated weekly.

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Annual Sales Estimation

Medium

Tests quantitative estimation and assumptions under uncertainty.

EstimationBusiness AcumenMarket Sizing

SLB

Estimating Market Size

Hard

Tests structured market sizing approach for SLB digital oilfield analytics offerings.

Business ModelTAM/SAM/SOMMarket Sizing

SLB

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Customer Orders: LEFT vs INNER JOIN

Easy

Explain how INNER JOIN and LEFT JOIN differ, and when to use each for matched-only versus all-left-row analysis.

JoinsData WranglingGroup By

SLB

Handling Missing and Dirty SQL Data

Medium

Explain how to profile, clean, and standardize missing or dirty data before analysis.

Data WranglingCase WhenQuality

SLB

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Deployment Efficiency KPIs

Medium

Tests KPI selection aligned to delivery efficiency and measurable outcomes.

KPILeading IndicatorsDiagnosis

SLB

Questions for the Interviewer

Easy

Tests your preparation, curiosity, and ability to evaluate fit for the Halliburton Research Scientist role.

Success CriteriaRoadmappingScope Management

SLB

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