Oil India Contractual Chemist Recruitment 2026 - Walk in for 04 Posts

Oil India Limited (OIL), a Maharatna Public Sector Undertaking and the second-largest national upstream Oil & Gas Company in India, has released a notification for engagement of Contractual Chemist (Fields) at its Field Headquarters, Duliajan, Assam. The engagement is advertised vide Advt. No. HRAQ/CONT-EX-B/26-295 dated 24/07/2026. Interested and eligible candidates are required to appear for registration and a Walk-in Interview, as no online application process has been mentioned in the official notification.

Oil India Contractual Chemist Recruitment 2026 - Overview

Here is a quick snapshot of the Oil India Limited Contractual Chemist Recruitment 2026 for candidates who want the key facts at a glance.

Oil India Contractual Chemist Recruitment 2026 Important Dates

Candidates planning to attend the Oil India walk-in interview should note the following important dates carefully, as no relaxation will be given beyond the stated time window.

Note: Registration must be completed compulsorily between 07:00 A.M. and 09:00 A.M. on the scheduled date. No candidate will be permitted to register beyond this time frame under any circumstances.

Oil India Contractual Chemist Vacancy 2026 Details

Oil India Limited intends to fill 4 posts of Contractual Chemist (Fields) purely on a contractual basis. The engagement involves shift-based work of an arduous and hazardous nature at remote/far-flung OIL installations, including "On-Call" duty.

PwBD Suitability for this post: Dw (Dwarfism), AAV (Acid Attack Victims).

Only Indian Nationals are eligible to apply as on the date of registration.

Oil India Contractual Chemist Recruitment 2026 Eligibility Criteria

Candidates must fulfil the qualification, experience, and age criteria mentioned below as on the date of registration for the Walk-in Interview.

Oil India Chemist Educational Qualification

• Master's Degree in Chemistry of a minimum 02 (two) years duration from a Government of India recognized University/Institute.
• Minimum 02 (two) years of post-qualification work experience in handling drilling/workover fluids in the E&P (Exploration & Production) industry (Drilling and Workover Wells).

Oil India Contractual Chemist Age Limit 2026

Minimum age for all categories: 18 years. Age is reckoned as on the date of registration for the Walk-in Interview. Only a Class 10th certificate, Admit Card, or Marksheet issued by a recognized Government Education Board will be accepted as valid proof of date of birth.

Oil India Contractual Chemist 2026 Salary Structure

Selected candidates will receive a total Contract Emoluments of ₹70,000/- per month, consisting of Fixed and Variable components. Additionally, an incidental allowance of ₹500/- per day is payable for the actual number of days worked outside the place of posting.

Note: In case a selected candidate avails Maternity Leave during the contractual engagement, only the Fixed component of the Contract Emoluments will be paid for that period. Statutory benefits of Employees' Provident Fund (EPF) and Gratuity are applicable.

Oil India Contractual Chemist Recruitment 2026 Selection Process

Selection will be made purely through a Walk-in Interview, as per the criteria below:

• Candidates will be assessed through a Walk-in Interview carrying a total of 100 marks.
• The minimum qualifying marks are 50, applicable to all categories.
• Assessment parameters include Professional Knowledge and Skills (in the concerned discipline), Professional Knowledge and Skills (in allied discipline), and Personal Attributes and Soft Skills.
• Final selection will be strictly on merit, based on marks obtained in the Walk-in Interview by candidates securing the qualifying marks of 50 or above.

How to Apply/ Register for Oil India Contractual Chemist Walk-in Interview 2026?

There is no separate online application process mentioned in this notification. Eligible candidates must report in person for registration and the Walk-in Interview as per the schedule below:

• Candidates must complete registration mandatorily within the stated time window; late registration will not be permitted under any circumstances.
• If the number of registered candidates exceeds venue capacity on the scheduled date, the remaining candidates' interviews will be carried forward to subsequent day(s), as required.
• Candidates must ensure they meet all eligibility conditions before registering; ineligible candidates will not be allowed to appear for the interview.
• Information furnished by candidates will be verified against original documents at the time of registration.
• Candidates without original documents/certificates/testimonials will not be permitted to appear in the Walk-in Interview.

Oil India Contractual Chemist Recruitment 2026 Required Documents

Candidates must carry both original documents and one set of self-attested photocopies of the following at the time of registration:

• Filled Personal Bio-Data Form (as per the format provided with the official advertisement).
• One recent 3cm x 3cm coloured passport photograph.
• Valid Photo Identity Proof and Address Proof issued by a Competent Government Authority.
• Date of Birth proof (Class 10th certificate containing DoB).
• Admit Card, Marksheet, and Pass Certificate of Class 10th issued by a recognized Government Education Board.
• Documents/certificates of essential qualification: all semester/year marksheets, final marksheet, and pass certificate.
• Experience Certificate(s), as applicable.
• Valid Caste Certificate (SC/ST/OBC), Non-Creamy Layer Certificate, Income & Asset Certificate (for EWS), Disability Certificate, or Ex-Servicemen Discharge Book/Release Certificate, if applicable.
• No Objection Certificate (NOC), if currently employed in Government Service/PSU/Autonomous Body.
• EPF Member Passbook (if available).
• Aadhaar Card.
• PAN Card.
• Bank Passbook.

Job Profile & Responsibilities of Oil India Contractual Chemist (Fields)

• Deployment at drilling/workover wells as well-site chemist.
• Preparation and maintenance of drilling mud and workover brine solutions at well sites.
• Addressing critical well situations such as pipe stuck, mud loss, and well kick/blowout.
• Assisting in well cementing operations.
• Carrying out gas testing, calculating mud hydraulics, and monitoring lithology of drill cuttings.
• Maintaining adequate stock of drilling and workover fluid chemicals as per operational requirement.
• Maintaining vigilance on safety and pollution control measures related to chemical activities at well sites.

Skills & Experience Required for Oil India Contractual Chemist

• Experience in handling drilling/workover fluids.
• Experience in laboratory analysis of drilling/workover fluids.
• Experience in handling various chemicals used in drilling/workover fluids.
• Experience in addressing downhole complications in drilling/workover wells.
• Ability to generate daily well reports, downhole problem reports, and cementing reports.
• Knowledge of MS Office and computer applications is desirable.
• Good communication skills.

Period of Contractual Engagement

The initial period of contractual engagement is 01 (one) year, extendable for another 01 (one) year based on departmental requirement, job performance, conduct, and physical fitness. The total period of engagement will be a maximum of 02 (two) years.

Oil India Contractual Chemist Recruitment 2026 Important Instructions

• Mobile phones, calculators, and other electronic/objectionable items are strictly banned within the venue premises; violation will lead to debarment and possible blacklisting.
• The contract may be terminated by either side with 15 days' notice.
• Provisionally selected candidates must join immediately; a maximum extension of 15 additional days may be granted upon intimation, failing which the selection stands cancelled.
• No Travelling Allowance/Daily Allowance will be paid for appearing in the Walk-in Interview.
• Candidates must make their own arrangements for travel and accommodation; no reimbursement will be provided for joining.
• Selected candidates are entitled to 20 days of paid leave per year of contractual engagement.
• Selected candidates on contract are not permitted to take up any other assignment during the engagement period.
• Candidates may be placed at any location as deemed fit by the Competent Authority.
• Accommodation during the engagement period must be arranged by the candidate at their own cost.
• All applicable taxes will be borne individually by the selected candidate.
• Any dispute regarding this engagement falls under the jurisdiction of the Dibrugarh district court only.
• Oil India Limited reserves the right to cancel or postpone the engagement process at any stage without assigning any reason.
• Candidates found using unfair means, impersonation, or submitting false/forged documents are liable to be disqualified, debarred, and subjected to legal action.
• Oil India Limited has warned the public to beware of fraudulent job offers; the company does not authorize any external person/organization to offer jobs on its behalf.

Oil India Contractual Chemist Recruitment 2026 Important Links