exam-alert-and-updates-for-appsc-departmental-tests

The current session notification, the application and examination windows, the fee, the result position and what is still pending, with a source link on every claim

Alerts and Updates for APPSC Departmental Tests

Articles related to APPSC Departmental Tests on page 1 

<div style="background:#eef3fb;color:#303846;border:1px solid #c9d7ee;border-radius:12px;padding:14px 18px;margin:0 0 18px"><p style="margin:0;font-size:14px;line-height:1.6"><strong style="color:#171d29">Checked 29 September 2026.</strong> From ONGC Advts 6/2022, 1/2024, 1/2025 and 2/2026 (R&amp;P), their CBT syllabi and ONGC’s recruitment-notice listing, plus GAIL, IOCL, HPCL, Oil India and 16 other GATE-route adverts. ONGC had published no Advt 2/2026 result by 28 September 2026. The eligibility checker and the syllabus comparison are ours.</p></div>

<p style="margin:0 0 16px;line-height:1.7">For years the standard advice to a petroleum engineering student was simple: write GATE PE, score well, get into ONGC. That route has not been open since 2024, though a future notice could change it. ONGC’s last large GATE-based intake was <strong>Advt 6/2022</strong> on GATE-2022 scores, with <strong>71 posts earmarked for Petroleum graduates</strong>. Its GATE-2023 round (Advt 1/2024) had only <strong>3</strong> Petroleum posts, all carried forward from 2021. Since <strong>Advt 1/2025 (10 January 2025)</strong> ONGC has run E1 recruitment through <strong>its own computer-based test</strong>, with no GATE score involved: <strong>25</strong> Petroleum posts in 2025 and <strong>9</strong> in the latest round, Advt 2/2026, whose CBT was held on 6 September 2026. This guide sets out every round document by document, the CBT pattern and syllabus, the age and eligibility rules, and what GATE PE is still for.</p>

<div style="display:flex;flex-wrap:wrap;gap:10px;margin:18px 0"><div style="flex:1 1 140px;background:#fbfaf6;border:1px solid #e4e1d8;border-radius:10px;padding:12px 14px"><div style="font-size:24px;font-weight:800;color:#171d29;line-height:1.2">71</div><div style="font-size:13px;color:#5b6472;line-height:1.4;margin-top:4px">Petroleum-earmarked posts, Advt 6/2022 (GATE-2022)</div></div><div style="flex:1 1 140px;background:#fbfaf6;border:1px solid #e4e1d8;border-radius:10px;padding:12px 14px"><div style="font-size:24px;font-weight:800;color:#171d29;line-height:1.2">3</div><div style="font-size:13px;color:#5b6472;line-height:1.4;margin-top:4px">Petroleum posts, Advt 1/2024 (GATE-2023), all carried forward</div></div><div style="flex:1 1 140px;background:#fbfaf6;border:1px solid #e4e1d8;border-radius:10px;padding:12px 14px"><div style="font-size:24px;font-weight:800;color:#171d29;line-height:1.2">25</div><div style="font-size:13px;color:#5b6472;line-height:1.4;margin-top:4px">Petroleum posts, Advt 1/2025 (ONGC CBT)</div></div><div style="flex:1 1 140px;background:#fbfaf6;border:1px solid #e4e1d8;border-radius:10px;padding:12px 14px"><div style="font-size:24px;font-weight:800;color:#171d29;line-height:1.2">9</div><div style="font-size:13px;color:#5b6472;line-height:1.4;margin-top:4px">Petroleum posts, Advt 2/2026 (ONGC CBT, 6 Sep 2026)</div></div></div><p style="margin:12px 0 0;font-size:13px;color:#5b6472;margin:-8px 0 18px">ONGC advertisements 6/2022, 1/2024, 1/2025 and 2/2026 (R&P).</p>

<div style="background:#fff8e8;color:#3a3020;border:1px solid #f0d9a8;border-left:4px solid #b7791f;border-radius:12px;padding:18px 20px;margin:18px 0"><p style="margin:0 0 8px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#b7791f">Where other pages get this wrong</p><p style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29;line-height:1.5">ONGC has not recruited petroleum engineers on a GATE score since its GATE-2023 round (3 carried-forward posts, Advt 1/2024). Advts 1/2025 and 2/2026 select on ONGC’s own CBT (85 marks) plus an interview (15 marks). No other PSU advert checked for 2024–2027 offers a fresher Petroleum Engineering post on a GATE PE score.</p><p style="margin:0 0 8px;line-height:1.6"><strong style="color:#8a5300">Commonly published instead:</strong> Many GATE PE guides, including older pages on this site, still call ONGC the main PSU route “on GATE scores” (one gives a General selection score of about 800) and list IOCL, Oil India, HPCL, BPCL and GAIL as recruiters through GATE PE.</p><p style="margin:0;line-height:1.6">ONGC Advts 1/2024, 1/2025 and 2/2026; GAIL ET adverts for GATE-2025, 2026 and 2027 (Chemical, Electrical, Instrumentation and Mechanical only); IOCL 2025/01 and 2026/01 and HPCL 3/2025-26 (own CBTs, no Petroleum discipline); Oil India 2026-02 (one experienced post).</p></div>

Every ONGC round for petroleum engineers, 2022–2026

<p style="margin:0 0 16px;line-height:1.7">ONGC’s recruitment-notice page lists GATE-based Graduate Trainee rounds every year from 2018 to 2021, then three documents that tell the story of the change. The table below reads each advertisement directly. “Petroleum posts” counts only posts whose essential qualification is a degree in Petroleum or Applied Petroleum Engineering; a petroleum graduate could also apply to posts open to any engineering branch, such as the 32 Materials Management Officer posts of 2022.</p>

ONGC advertisements 6/2022, 1/2024, 1/2025 and 2/2026 (R&P) and the ONGC recruitment-notice listing. The 2022 advert has no text layer; its post table was read from the page images.

<figure style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0;margin:18px 0"><figcaption style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">Posts reserved for Petroleum and Applied Petroleum graduates, by ONGC round</figcaption><div style="margin:0 0 10px"><div style="display:flex;justify-content:space-between;gap:10px;font-size:14px;line-height:1.4;margin:0 0 4px"><span style="color:#303846">Advt 6/2022 — GATE-2022</span><strong style="color:#171d29;white-space:nowrap">71</strong></div><div style="background:#f1eee6;border-radius:6px;height:12px;overflow:hidden"><div style="width:100.0%;height:12px;background:#1f7a45;border-radius:6px"></div></div></div><div style="margin:0 0 10px"><div style="display:flex;justify-content:space-between;gap:10px;font-size:14px;line-height:1.4;margin:0 0 4px"><span style="color:#303846">Advt 1/2024 — GATE-2023</span><strong style="color:#171d29;white-space:nowrap">3</strong></div><div style="background:#f1eee6;border-radius:6px;height:12px;overflow:hidden"><div style="width:4.2%;height:12px;background:#2f6fb0;border-radius:6px"></div></div></div><div style="margin:0 0 10px"><div style="display:flex;justify-content:space-between;gap:10px;font-size:14px;line-height:1.4;margin:0 0 4px"><span style="color:#303846">Advt 1/2025 — ONGC CBT</span><strong style="color:#171d29;white-space:nowrap">25</strong></div><div style="background:#f1eee6;border-radius:6px;height:12px;overflow:hidden"><div style="width:35.2%;height:12px;background:#b7791f;border-radius:6px"></div></div></div><div style="margin:0 0 10px"><div style="display:flex;justify-content:space-between;gap:10px;font-size:14px;line-height:1.4;margin:0 0 4px"><span style="color:#303846">Advt 2/2026 — ONGC CBT</span><strong style="color:#171d29;white-space:nowrap">9</strong></div><div style="background:#f1eee6;border-radius:6px;height:12px;overflow:hidden"><div style="width:12.7%;height:12px;background:#8e3b8e;border-radius:6px"></div></div></div><p style="margin:12px 0 0;font-size:13px;color:#5b6472">Same figures as the table above. ONGC’s notices give the counts but do not explain why they fell.</p></figure>

The last big GATE round: Advt 6/2022, post by post

<p style="margin:0 0 16px;line-height:1.7">The GATE-2022 round is the one most people remember, and it is why “ONGC through GATE” still circulates. It advertised 871 posts in all. Four post types named Petroleum Engineering in their qualification. The Reservoir post was shared: 15 of its 33 vacancies were earmarked for Petroleum and Applied Petroleum graduates. All carried the E1 pay scale of ₹60,000–1,80,000.</p>

ONGC Advt 6/2022 (R&P), post table. Totals by category are our sums of the four rows.

<p style="margin:0 0 16px;line-height:1.7">The GATE-2023 round was different in kind. Advt 1/2024 filled only 25 vacancies, every one “carried forward” unfilled from the 2021 rounds, and just <strong>three</strong> were for petroleum graduates (AEE Drilling: UR 1, SC 1, ST 1). It also used a composite merit: <strong>GATE score 60 + qualification 25 (20 for the degree, 5 for a higher degree) + interview 15</strong>, with a 1:5 shortlist and virtual interviews on 10–11 March 2024. Age was counted as on 31 July 2023: 28 for UR/EWS in Drilling and Cementing, 31 for OBC and 33 for SC/ST. ONGC gave the CTC as about ₹24 lakh.</p>

The CBT rounds: Advt 1/2025 and Advt 2/2026 side by side

<p style="margin:0 0 16px;line-height:1.7">From January 2025 ONGC stopped asking for a GATE score. It now holds its own two-hour test, shortlists 1:5 for interview and ranks on CBT plus interview. The two CBT rounds differ in two ways that matter to students. <strong>Final-year students could apply in 2025 but not in 2026</strong>: Advt 2/2026 considers only candidates who already held the degree on the last date of application. And the Petroleum intake fell from 25 to 9.</p>

ONGC Advts 1/2025 and 2/2026 (R&P). The CTC figures are ONGC’s own approximate statements (about ₹24 lakh in 1/2024), not changes to the pay scale.

ONGC Advt 2/2026, para 3. A reserved-category candidate applying against an unreserved vacancy gets no age relaxation except for PwBD.

<div style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0" id="ongcelig"><h3 style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">Would you have been eligible for ONGC’s Petroleum stream under Advt 2/2026?</h3><p style="margin:0 0 12px;line-height:1.6">Enter your details. The check applies the rules of the latest ONGC round (Advt 2/2026): the degree, 60% marks, the degree already held on the last date of application, and the category age limit as on that date. Change the last date to test a future round, whose rules may differ.</p><div style="display:flex;flex-wrap:wrap;gap:10px;margin:0 0 12px"><label style="font-size:13px;font-weight:700;color:#5b6472;flex:1 1 150px;min-width:0">Degree<br><select id="ongcelig-d" style="width:100%;max-width:100%;padding:8px;border:1px solid #c9c4b5;border-radius:8px;font-size:16px"><option value="pe">B.E./B.Tech Petroleum Engineering</option><option value="ape">B.E./B.Tech Applied Petroleum Engineering</option><option value="x">Any other branch</option></select></label><label style="font-size:13px;font-weight:700;color:#5b6472;flex:1 1 150px;min-width:0">Degree marks (%)<br><input id="ongcelig-p" type="number" min="0" max="100" step="0.01" value="68" style="width:110px;max-width:100%;padding:8px;border:1px solid #c9c4b5;border-radius:8px;font-size:16px"></label><label style="font-size:13px;font-weight:700;color:#5b6472;flex:1 1 150px;min-width:0">Degree completed by the last date?<br><select id="ongcelig-f" style="width:100%;max-width:100%;padding:8px;border:1px solid #c9c4b5;border-radius:8px;font-size:16px"><option value="1">Yes, degree held</option><option value="0">No, still in final year</option></select></label><label style="font-size:13px;font-weight:700;color:#5b6472;flex:1 1 150px;min-width:0">Category<br><select id="ongcelig-c" style="width:100%;max-width:100%;padding:8px;border:1px solid #c9c4b5;border-radius:8px;font-size:16px"><option value="26">UR / EWS</option><option value="29">OBC (NCL)</option><option value="31">SC / ST</option><option value="36">PwBD, General/EWS</option><option value="39">PwBD, OBC (NCL)</option><option value="41">PwBD, SC/ST</option></select></label><label style="font-size:13px;font-weight:700;color:#5b6472;flex:1 1 150px;min-width:0">Date of birth<br><input id="ongcelig-b" type="date" value="2001-06-15" style="width:100%;max-width:100%;padding:8px;border:1px solid #c9c4b5;border-radius:8px;font-size:16px"></label><label style="font-size:13px;font-weight:700;color:#5b6472;flex:1 1 150px;min-width:0">Last date of application<br><input id="ongcelig-l" type="date" value="2026-07-31" style="width:100%;max-width:100%;padding:8px;border:1px solid #c9c4b5;border-radius:8px;font-size:16px"></label></div><div id="ongcelig-out" style="padding:12px 14px;background:#ecf7ef;border-radius:10px;line-height:1.6"></div><p style="margin:12px 0 0;font-size:13px;color:#5b6472">ONGC Advt 2/2026 (R&P), paras 2 and 3: Petroleum Engineering stream 9 posts; Applied Petroleum graduates considered for 7 of the 9; minimum 60%; qualification acquired on or before the last date; maximum age as on the last date. Age is counted here in completed years. The advertisement’s own wording, and any date-of-birth rule in a future advert, decide your case.</p><script>(function(){var R=document.getElementById('ongcelig');if(!R)return;function g(x){return document.getElementById('ongcelig'+x);}function yrs(b,l){var a=l.getUTCFullYear()-b.getUTCFullYear();if(l.getUTCMonth()<b.getUTCMonth()||(l.getUTCMonth()==b.getUTCMonth()&&l.getUTCDate()<b.getUTCDate()))a--;return a;}function go(){var d=g('-d').value,pc=parseFloat(g('-p').value),f=g('-f').value=='1',mx=parseInt(g('-c').value,10),b=new Date(g('-b').value+'T00:00:00Z'),l=new Date(g('-l').value+'T00:00:00Z'),o=g('-out'),r=[];if(isNaN(pc)||isNaN(b.getTime())||isNaN(l.getTime())){o.innerHTML='Fill in every field.';return;}if(pc<0||pc>100){o.innerHTML='Enter marks between 0 and 100.';return;}if(b>l){o.innerHTML='The date of birth must be before the last date.';return;}var a=yrs(b,l),ok=true;if(d=='x'){ok=false;r.push('The Petroleum stream needs a graduate degree in Petroleum or Applied Petroleum Engineering. 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<p style="margin:0 0 16px;line-height:1.7">The ONGC test is shorter and gentler than GATE. It has 85 multiple-choice questions in two hours and <strong>no negative marking</strong>. Only 40 questions are on the engineering domain; the other 45 are general awareness, aptitude and English, which GATE PE candidates rarely practise. The CBT score (out of 85) and the interview (out of 15) make up the final 100.</p>

ONGC Advt 2/2026, para 5 (the same four parts as Advt 1/2025). If the CBT runs in more than one session, ONGC normalises the scores.

ONGC Advt 2/2026, paras 4–6. Test cities in 2/2026: 19, from Delhi-NCR, Mumbai and Chennai to Guwahati, Udaipur and Mohali.

The ONGC Petroleum syllabus is the old GATE PE syllabus, plus field practice

<p style="margin:0 0 16px;line-height:1.7">The CBT’s Petroleum domain syllabus (published with Advts 1/2025 and 2/2026) reuses the <strong>pre-2027 GATE PE wording</strong> almost line for line. It still has “Solutions of one dimensional heat and wave equations”, the LNG value chain and “Waste treatment methods”. GATE 2027 drops the LNG and waste-treatment lines and replaces the heat and wave equations with the one-dimensional diffusivity equation (the heat equation’s form survives; the wave equation goes). It adds one block GATE never had, <strong>“Application in Oil & Gas Business”</strong>: surface facilities, gathering stations and field operations. And it does not contain the topics GATE 2027 has just added, such as reservoir simulation and geomechanics. So GATE PE preparation covers much of ONGC’s domain syllabus, but the overlap is with the syllabus you are being told to leave behind.</p>

ONGC CBT syllabus files for Advts 1/2025 and 2/2026; GATE 2026 and 2027 PE syllabi. The comparison is ours.

<p style="margin:0 0 16px;line-height:1.7">The belief that “PSUs recruit through GATE PE” does not survive a reading of the adverts. GAIL, the most-cited name, takes GATE scores only in Chemical, Instrumentation, Electrical and Mechanical, including in its first GATE-2027 advert of 1 September 2026. IOCL and HPCL run their own CBTs and have no Petroleum Engineering discipline for freshers. Oil India’s only 2026 post naming a petroleum degree needs nine years’ experience.</p>

Each advert was searched for “Petroleum”. BARC’s only match is inside a chemistry qualification list. We could not obtain a BPCL advert, so we make no claim about BPCL.

<p style="margin:0 0 16px;line-height:1.7">Three things. First, <strong>M.Tech and PhD admission</strong>: IIT (ISM) Dhanbad’s M.Tech Petroleum Engineering takes only the PE paper, IIT Madras keeps 15 of its 19 Petroleum M.Tech seats for PE-paper candidates, and IIT Guwahati’s Petroleum Science and Technology takes CH or PE. Our <a href="/hub/mtech-after-gate-pe-iit-ism-iitm-cutoffs" style="color:#255a45;font-weight:600">M.Tech cut-off guide</a> has the scores. Second, <strong>preparation that transfers</strong>: GATE PE study covers much of ONGC’s domain syllabus. Third, the <strong>CH pairing</strong>: PE is currently listed only with Chemical Engineering in GATE 2027’s tentative two-paper list, and CH is a paper GAIL still recruits on, though its Chemical discipline asks for a degree in Chemical, Petrochemical or Chemical Technology, not Petroleum Engineering.</p>

<div style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0" id="ongcprep"><h3 style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">Preparing for the next ONGC round alongside GATE PE</h3><p style="margin:0 0 12px;line-height:1.6">Tick each step once done. The next ONGC advert has not been announced; these steps follow the 2025 and 2026 rounds.</p><div style="background:#f1eee6;border-radius:6px;height:12px;overflow:hidden;margin:0 0 6px"><div id="ongcprep-bar" style="width:0%;height:12px;background:#1f7a45"></div></div><p id="ongcprep-txt" style="margin:0 0 14px;font-size:13px;color:#5b6472">0 of 11 done</p><div style="margin:0 0 12px" data-g="0"><div style="font-weight:700;color:#171d29;margin:0 0 6px">Eligibility <span data-gc="0" style="font-weight:600;color:#5b6472;font-size:13px">(0/3)</span></div><label style="display:flex;gap:8px;align-items:flex-start;margin:0 0 6px;font-size:14px;line-height:1.5;color:#303846;cursor:pointer"><input type="checkbox" data-i="0" style="margin-top:4px;width:16px;height:16px;flex:0 0 auto"> <span>Degree in Petroleum or Applied Petroleum Engineering with 60% (or on track for it)</span></label><label style="display:flex;gap:8px;align-items:flex-start;margin:0 0 6px;font-size:14px;line-height:1.5;color:#303846;cursor:pointer"><input type="checkbox" data-i="1" style="margin-top:4px;width:16px;height:16px;flex:0 0 auto"> <span>Degree certificate or provisional certificate in hand before the next last date</span></label><label style="display:flex;gap:8px;align-items:flex-start;margin:0 0 6px;font-size:14px;line-height:1.5;color:#303846;cursor:pointer"><input type="checkbox" data-i="2" style="margin-top:4px;width:16px;height:16px;flex:0 0 auto"> <span>Age within the category limit on a mid-year last date</span></label></div><div style="margin:0 0 12px" data-g="1"><div style="font-weight:700;color:#171d29;margin:0 0 6px">Domain (40 questions) <span data-gc="1" style="font-weight:600;color:#5b6472;font-size:13px">(0/3)</span></div><label style="display:flex;gap:8px;align-items:flex-start;margin:0 0 6px;font-size:14px;line-height:1.5;color:#303846;cursor:pointer"><input type="checkbox" data-i="3" style="margin-top:4px;width:16px;height:16px;flex:0 0 auto"> <span>GATE PE core: reservoir, drilling, production, well testing, formation evaluation</span></label><label style="display:flex;gap:8px;align-items:flex-start;margin:0 0 6px;font-size:14px;line-height:1.5;color:#303846;cursor:pointer"><input type="checkbox" data-i="4" style="margin-top:4px;width:16px;height:16px;flex:0 0 auto"> <span>Old-syllabus extras: LNG value chain, heat and wave equations, waste treatment</span></label><label style="display:flex;gap:8px;align-items:flex-start;margin:0 0 6px;font-size:14px;line-height:1.5;color:#303846;cursor:pointer"><input type="checkbox" data-i="5" style="margin-top:4px;width:16px;height:16px;flex:0 0 auto"> <span>Application in Oil & Gas Business: surface facilities, gas processing, workover and wellhead</span></label></div><div style="margin:0 0 12px" data-g="2"><div style="font-weight:700;color:#171d29;margin:0 0 6px">Non-domain (45 questions) <span data-gc="2" style="font-weight:600;color:#5b6472;font-size:13px">(0/3)</span></div><label style="display:flex;gap:8px;align-items:flex-start;margin:0 0 6px;font-size:14px;line-height:1.5;color:#303846;cursor:pointer"><input type="checkbox" data-i="6" style="margin-top:4px;width:16px;height:16px;flex:0 0 auto"> <span>Aptitude: 25 timed questions a week</span></label><label style="display:flex;gap:8px;align-items:flex-start;margin:0 0 6px;font-size:14px;line-height:1.5;color:#303846;cursor:pointer"><input type="checkbox" data-i="7" style="margin-top:4px;width:16px;height:16px;flex:0 0 auto"> <span>English: grammar and comprehension sets</span></label><label style="display:flex;gap:8px;align-items:flex-start;margin:0 0 6px;font-size:14px;line-height:1.5;color:#303846;cursor:pointer"><input type="checkbox" data-i="8" style="margin-top:4px;width:16px;height:16px;flex:0 0 auto"> <span>General awareness: ONGC publishes no topic list, so read current affairs regularly</span></label></div><div style="margin:0 0 12px" data-g="3"><div style="font-weight:700;color:#171d29;margin:0 0 6px">Watch <span data-gc="3" style="font-weight:600;color:#5b6472;font-size:13px">(0/2)</span></div><label style="display:flex;gap:8px;align-items:flex-start;margin:0 0 6px;font-size:14px;line-height:1.5;color:#303846;cursor:pointer"><input type="checkbox" data-i="9" style="margin-top:4px;width:16px;height:16px;flex:0 0 auto"> <span>ONGC recruitment-notice page every month</span></label><label style="display:flex;gap:8px;align-items:flex-start;margin:0 0 6px;font-size:14px;line-height:1.5;color:#303846;cursor:pointer"><input type="checkbox" data-i="10" style="margin-top:4px;width:16px;height:16px;flex:0 0 auto"> <span>Register within the two-week window when the advert appears</span></label></div><p style="margin:12px 0 0;font-size:13px;color:#5b6472">Ticks are saved only in this browser on this device.</p><script>(function(){var R=document.getElementById('ongcprep');if(!R)return;var K='gatepe_ongc_v1',N=11,bx=R.querySelectorAll('input[type=checkbox]'),s={};try{s=JSON.parse(localStorage.getItem(K)||'{}')}catch(e){}function up(){var d=0;for(var i=0;i<bx.length;i++){if(bx[i].checked)d++;}document.getElementById('ongcprep-bar').style.width=(d/N*100)+'%';document.getElementById('ongcprep-txt').textContent=d+' of '+N+' done';var gs=R.querySelectorAll('[data-g]');for(var j=0;j<gs.length;j++){var c=gs[j].querySelectorAll('input'),k=0;for(var q=0;q<c.length;q++){if(c[q].checked)k++;}var sp=R.querySelector('[data-gc="'+gs[j].getAttribute('data-g')+'"]');if(sp)sp.textContent='('+k+'/'+c.length+')';}}for(var i=0;i<bx.length;i++){(function(b){if(s[b.getAttribute('data-i')])b.checked=true;b.addEventListener('change',function(){s[b.getAttribute('data-i')]=b.checked?1:0;try{localStorage.setItem(K,JSON.stringify(s))}catch(e){}up();});})(bx[i]);}up();})();</script></div>

<div style="background:#ecf7ef;color:#1f3a2a;border:1px solid #b9dec6;border-radius:12px;padding:18px 20px;margin:22px 0"><p style="margin:0 0 8px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#1f7a45">Practise it, don't just read it</p><p style="margin:0 0 12px;font-size:16px;line-height:1.6;color:#171d29">The ONGC domain section and GATE PE share their core. Drilling fluids and cementing appear in both; try our Drilling Fluid Properties and Well Cementing Operations quizzes.</p><p style="margin:0 0 12px;line-height:1.6">The ProSyllabus GATE Petroleum library has ten topic quizzes today: <strong>Porosity and Permeability Measurement</strong>, <strong>Reservoir Drive Mechanisms</strong>, <strong>Drilling Fluid Properties</strong>, <strong>Rotary Drilling Rig Components</strong>, <strong>Well Cementing Operations</strong>, <strong>Artificial Lift Methods</strong>, <strong>Multiphase Flow in Pipes and Tubing</strong>, <strong>Hydraulic Fracturing and Well Stimulation</strong>, <strong>Well Logging and Formation Evaluation Tools</strong> and <strong>Offshore Production Platforms and Systems</strong>, each with a worked explanation for every option.</p><p style="margin:0"><a href="/exam/gate-pe/practice-quiz" style="display:inline-block;background:#ffffff;color:#1f7a45;border:2px solid #1f7a45;padding:9px 18px;border-radius:8px;text-decoration:none;font-weight:700">Start a GATE Petroleum quiz →</a></p></div>

<div style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0"><h3 style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">More in this series</h3><ul style="margin:0;padding-left:20px"><li style="margin:6px 0;line-height:1.6"><a href="/hub/gate-pe-marks-vs-score-vs-rank" style="color:#255a45">GATE PE marks vs score vs rank + calculator</a></li><li style="margin:6px 0;line-height:1.6"><a href="/hub/gate-pe-syllabus-changes" style="color:#255a45">GATE PE 2027 syllabus: every change</a></li><li style="margin:6px 0;line-height:1.6"><a href="/hub/gate-pe-previous-year-papers-analysis" style="color:#255a45">GATE PE previous year papers 2023–2026</a></li><li style="margin:6px 0;line-height:1.6"><a href="/hub/mtech-after-gate-pe-iit-ism-iitm-cutoffs" style="color:#255a45">M.Tech after GATE PE: IIT ISM, IIT Madras, IIT Guwahati</a></li><li style="margin:6px 0;line-height:1.6"><a href="/hub/gate-pe-revision-plan-18-weeks" style="color:#255a45">GATE PE 2027 revision plan: 18 weeks</a></li><li style="margin:6px 0;line-height:1.6"><a href="/hub/exam-alert-and-updates-for-gate-pe" style="color:#255a45">GATE Petroleum Engineering notice board — official updates</a></li><li style="margin:6px 0;line-height:1.6"><a href="/hub/gate-petroleum-engineering-complete-guide" style="color:#255a45">GATE Petroleum Engineering: the complete guide</a></li><li style="margin:6px 0;line-height:1.6"><a href="/hub/gate-pe-paper-analysis" style="color:#255a45">GATE Petroleum Engineering paper analysis</a></li><li style="margin:6px 0;line-height:1.6"><a href="/hub/gate-petroleum-engineering-cutoff-colleges-placements-rank" style="color:#255a45">GATE Petroleum Engineering cut-off, colleges and placements</a></li></ul></div>

<div style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0"><h3 style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">Sources</h3><ul style="margin:0;padding-left:20px"><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://ongcindia.com/documents/77751/2660534/PDF4-170726.pdf" rel="nofollow noopener" style="color:#255a45">ONGC Advt 2/2026 (R&amp;P) — Geologists and Engineers at E1 through CBT, detailed advertisement (PDF, 16 Jul 2026)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://ongcindia.com/documents/77751/2660534/PDF5-170726.pdf" rel="nofollow noopener" style="color:#255a45">ONGC Advt 2/2026 — CBT syllabus (PDF)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://ongcindia.com/documents/77751/2660534/advertisment100125.pdf" rel="nofollow noopener" style="color:#255a45">ONGC Advt 1/2025 (R&amp;P) — E1 through ONGC’s own CBT (PDF)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://ongcindia.com/documents/77751/2660534/Syllabus3.pdf" rel="nofollow noopener" style="color:#255a45">ONGC Advt 1/2025 — CBT syllabus (PDF)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://ongcindia.com/documents/77751/2660534/AdvtNo290224.pdf" rel="nofollow noopener" style="color:#255a45">ONGC Advt 1/2024 (R&amp;P) — Graduate Trainees through GATE-2023, carried-forward posts (PDF)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://ongcindia.com/documents/77751/2593733/adeng22092201.pdf" rel="nofollow noopener" style="color:#255a45">ONGC Advt 6/2022 (R&amp;P) — Graduate Trainees through GATE-2022 (PDF)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://ongcindia.com/web/eng/career/recruitment-notice" rel="nofollow noopener" style="color:#255a45">ONGC — recruitment notices (every round 2018–2026)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://www.gailonline.com/careers/currentOpnning/GATE-2027-1st-Advertisement-01092026.pdf" rel="nofollow noopener" style="color:#255a45">GAIL — Executive Trainee through GATE-2027, first advertisement (1 Sep 2026): Chemical, Electrical, Instrumentation and Mechanical only (PDF)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://iocl.com/latest-job-opening" rel="nofollow noopener" style="color:#255a45">IOCL — Advts IOCL/CO-HR/RECTT/2025/01 and 2026/01 (own CBT)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://www.hindustanpetroleum.com/job-openings" rel="nofollow noopener" style="color:#255a45">HPCL — Advt HPCL/OPEN/HR/3/2025-26 (version of 9 Mar 2026)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://www.oil-india.com/advertisement-list" rel="nofollow noopener" style="color:#255a45">Oil India — Advertisement List: Advt HRAQ/REC-EX-B/2026-02, Grade D/E/F executive posts (11 Sep 2026, applications to 10 Oct 2026, 11:00)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://gate2027.iitm.ac.in/static/doc/GATE2027_Syllabus/PE_GATE2027_Syllabus.pdf" rel="nofollow noopener" style="color:#255a45">GATE 2027 PE (Petroleum Engineering) syllabus (PDF, IIT Madras)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://gate2026.iitg.ac.in/doc/GATE2026_Syllabus/PE_2026_Syllabus.pdf" rel="nofollow noopener" style="color:#255a45">GATE 2026 PE syllabus (PDF, IIT Guwahati)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://gate2027.iitm.ac.in/two_paper_combinations" rel="nofollow noopener" style="color:#255a45">GATE 2027 — Two-paper combinations (PE pairs with CH only)</a></li></ul><p style="margin:12px 0 0;font-size:13px;color:#5b6472"><strong style="color:#1f7a45">official</strong> = a document published by the conducting body. <strong style="color:#8a5300">reported</strong> = a news or coaching site we could not check against an original. Where sources disagree this page says so rather than picking one.</p></div>

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