1. Reservoir Engineering
Key exam domainIdentify weak areas and improve with focused review.
Start PracticingPass your PEC certification
Free PEC Practice Test
Pass the Petroleum Engineering Certification exam with confidence.
Start with a free PEC practice test and build exam-ready confidence for the Petroleum Engineering Certification exam.
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1000+PEC Questions
6Exam Domains
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2026Updated
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Everything your PEC certification prep needs
Practice expert-vetted questions, find your weak domains, and turn every mistake into a focused review plan.
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Every question is reviewed by an experienced PEC professional for clarity, accuracy and practical exam relevance.
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Domain analytics show which parts of the exam blueprint are holding you back.
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Study by domain
Practice the PEC exam by domain
2. Drilling Engineering
Key exam domainIdentify weak areas and improve with focused review.
Start Practicing3. Formation Evaluation
Key exam domainIdentify weak areas and improve with focused review.
Start Practicing4. Production Engineering
Key exam domainIdentify weak areas and improve with focused review.
Start Practicing5. Facilities
Key exam domainIdentify weak areas and improve with focused review.
Start Practicing6. Petroleum Economics
Key exam domainIdentify weak areas and improve with focused review.
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Frequently asked questions
Straight answers about the PEC exam, the questions, pricing, the free trial, and how this fits your prep.
The PEC exam spans 6 domains - Reservoir Engineering, Drilling Engineering, Formation Evaluation, Production Engineering, Facilities, and Petroleum Economics. Every practice question maps to one of them, so you train on exactly what's tested.
The Petroleum Engineering Certification (PEC) exam has 70 questions and is completed in 7 hours. Our timed practice tests mirror that length and pacing, so exam day feels familiar.
No - and that matters. These are original practice questions written to mirror the style, difficulty, and domain coverage of the PEC exam blueprint. We never distribute actual exam content, so practicing here keeps you fully compliant with official exam policies.
No. PEC Exam Prep is an independent study resource for Petroleum Engineering Certification (PEC). It is not affiliated with, sponsored by, or endorsed by the official certifying body or exam administrator.
Every paid plan unlocks the full bank of 1,000+ practice questions covering all 6 PEC domains - Reservoir Engineering, Drilling Engineering, Formation Evaluation, Production Engineering, Facilities, and Petroleum Economics. You can practice the whole bank, filter by domain, or run a timed, domain-balanced exam simulation.
Yes - the bank is maintained against the current exam outline, and questions are revised when the exam changes.
No honest practice platform can guarantee a pass. What realistic practice does is show you - before exam day - exactly which domains are weak, and give you the repetitions to fix them. That's the difference between hoping you're ready and knowing where you stand.
Yes. You get 10 free sample questions with instant feedback - no credit card and no account required.
The free sample shows you the question quality. Paid plans unlock the full 1,000+ question bank, exam-style practice modes, mistake review, and - on Fast Track and Pass Confidence - progress analytics that show your readiness by domain.
No. Every plan is a single one-time payment for a fixed access window - 48 hours, 7 days, or 6 weeks. There is no auto-renewal and no recurring billing.
Match it to your exam date: Final Review (2 days) for an exam in the next day or two, Fast Track (7 days) for an exam this week, Pass Confidence (6 weeks) for a structured run-up.
For most countries, the price you see is exactly what you pay - tax is already included. Where local law requires it to be added separately, it's shown clearly at checkout before you pay, so there are never any surprise fees.
Access is instant after payment and runs for your plan's full window from that moment. When the window ends, your local progress stays on your device - you can buy another window any time and pick up where you left off.
Yes - the whole platform is mobile-first: practice, mistake review, and analytics all work on any phone, tablet, or laptop with a browser. Nothing to install.
Every answer feeds your per-domain accuracy, readiness score, and weak-area list. Instead of re-reading everything, you drill the domains that are actually costing you points - that's what moves a score in days, not months.
Chat with us any time - the 24/7 support chat in the corner of every page gives instant answers about plans, access, and billing. Prefer email? The contact link is in the footer. Payments are processed securely by Stripe, and active customers can download an invoice from their profile page.
Make sure you're signed in with the same email you used at checkout - access activates within a minute of payment. If it still doesn't appear, email us from the contact link in the footer and it'll be sorted out.
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Trusted by PEC candidates
Real feedback from PEC candidates on Reddit.
"passed first try. was dreading the production engineering questions but did like 200 practice ones from a question bank and it clicked. seven hours is brutal tho, pace yourself."
"honestly almost didnt study until like 3 weeks out. found pecprep.com through a coworker and the mock exams saved me, especially the reservoir engineering section. definately would not have passed without seeing where i kept messing up on the review breakdown."
"studied on and off for two months, kept procrastinating the drilling engineering stuff since its not my daily job. this site had a decent breakdown by topic so i could see my weak spots instead of just guessing. passed, relieved more than anything."