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Senior Wellsite Geologist

Job Title: Senior Wellsite Geologist
Contract Type: Permanent
Location: Duhok, Iraq
REF: 1491
Contact Name: Susan Rafat
Job Published: 11 months ago

Job Description

MSELECT is looking to hire a Senior Wellsite Geologist for an international oil and gas operator in Kurdistan. Must have minimum 15 Years of providing Wellsite Geology services and Excellent communication (written & verbal skills) in English


  • Ensure effective communication between all parties involved in the execution of Geological Operations programs at the well site.
  • Ensure Company Drilling representative is informed of all Geological information pertinent to optimize and safe execution of the drilling program.
  • Ensure company procedures and contractual terms are complied with onsite.
  • Ensure reliability, accuracy, completeness and confidentiality of the data acquired
  • Ensure the accuracy of the reporting of all matters related to the operations supervised


The wellsite geologist is the unique Geosciences representative at rigsite (for all type of wells), and as such:
  • Job holder will ensure operation geology support at rig site to fulfill well objectives.
  • Job holder will ensure geological description of drilled formations (including fluid identification) - Job holders will supervise data acquisition program, and coordinate workforce of contracted services (essentially but not exclusively: mud logging, M/LWD and wireline crews).
  • Job holder is the direct interlocutor of the Drilling representative
  • Job holder evaluates the performances of the services companies in his domain of activity and validates the job tickets

Number of people under the supervision of the Job holder: 8-10 (ML, WL, LWD)
Investments in the indirect responsibility of the Job holder: $1MM to $5MM per well depending on well complexity and well data acquisition.
Main contacts:
Office: Operations Geologist, Subsurface Team and Operations Petro physicist.
Rigsite: Drilling Supervisor, Drilling Engineer, Mud Engineer, Services Companies
External: Wireline, Mudlogging, Coring and M/LWD services companies


  • Knowledge of Company HSE policy, rules and procedures and in particular ISO14001 standard.
  • Observance of the company HSE policy, rules and procedures.
  • Promotes HSE standards in all wellsite formation evaluation acquisition activities
  • Participation to HSE activities and global improvement (e.g. referential, reporting, audits, HSE action plans…)
  • Contributes to the COMPANY Asset Integrity initiative by reporting any anomaly, defect, bad practice, lack of equipment, lack of competence that could result in a major HSE incident or loss of production.


  • Participates actively, through the interpretation of all available data, in the identification and evaluation of drilling hazards (losses, gains, overpressure, H2S, swelling clays, etc.)
  • Takes on site decision to initiate coring, intermediate logging, to continue or halt drilling at casing points, etc., after the approval of Well Geology and Operations Petrophysics Entity.
  • Supervise geological operations and various well data acquisitions (mudlogging, logging, M/LWD, coring), control quality and validate the data.
  • Integrates all available data for optimized well steering and adjusts accordingly drilling targets while drilling. - Performs preliminary interpretation of reservoirs at the wellsite (quality, content), either during or at the end of a drilling phase, to optimize operational decisions.
  • Supervises the conditioning, labeling and transportation of all the rocks and fluid samples collected during the course of drilling.
  • Ensures the proper communication between the mud logging personnel and the drilling crews, particularly regarding mud pit level monitoring.
  • Contributes to the training of junior geologists.
  • Uses, improve, and develop specific interpretation techniques.


  • Supervises geological operations personnel and ensure that all equipment provided by contractors are in line with the program and contracts.
  • Carries out audit and quality control of equipment and services provided by contractors.
  • Witnesses operations and communicates on all issues to ensure safe optimized decisions for data acquisition. - Supervises and ensures regular testing and sensors calibration of Mud Logging equipment.


  • Guarantee and validate flow of wellsite data to the base.
  • Write up and keep updated all the documents and reports regarding well monitoring and geological operations.
  • Take part actively to the write up of the End of Well report.
  • When at the office, contributes to any Well geology and Operation Petrophysics activity: well preparation, SQM, experience feedback, write-up of operating procedures, COMPANY and contractor's facilities visits. - Evaluates and quantifies petrophysical characteristics of the formations and their contents in close collaboration with Petrophysicists.
  • Description of the environment in which the job is performed, in particular the constraints and/or positive/negative drivers applying to the job
COMPANY operates field, covering
  • Intensive development of mature fields, appraisal and potentially nearby exploration in the field
  • Challenging well planning in already intensively drilled areas, with complex geological, structural and pore pressure variations along the wellbore


  • Bachelor of Earth Sciences minimum (or equivalent).
  • Technical competencies in Operations Geology/Subsurface, Drilling (especially Managed Pressure and Underbalanced Drilling operations), Mud Logging, M/LWD and Wireline Log acquisition, Quantitative interpretation, Reservoir geology, Structural and sedimentary geology.
  • Excellent communication skills with both internal & external interlocutors.
  • Full Safety Certification including survival, medical, HSE and H2S safety related training
  • Minimum15 years varied experience in wellsite geology operations, with a proven background in Mudlogging, or M/LWD, or experience with an Operator.
  • Wellsite Geology experience within Kurdistan, having sat on at least 4 wells within Kurdistan.
  • Wellsite Geology experience of drilling and evaluation of Cretaceous, Jurassic and Triassic sequence with specific focus on fractured carbonates, and MPD & UBD drilling operations.
  • Proven mentoring/training skills and ability to train local staff.
  • Full understanding of wireline logging operations and basic formation evaluation techniques, with high emphasis on wireline log QA/QC.
  • Full understanding of M/LWD operations, and latest tool technology, especially LWD Imaging Tools. - Experience of land based VSP operations (Rig Source, Offset VSP and Walk Away/Walk Along VSP Surveys).
  • Proven background and understanding of Pore Pressure detection and basic analysis.
  • Geosteering experience, especially in fractured carbonate environments.
  • Very good written and spoken English.
  • Independent stand-alone professional with subsurface degree with 15 years plus relevant experience in wellsite based operational skill base, with a good geological and petrophysical background.
  • An in-depth knowledge of all aspects of formation evaluation services and their risks, well placement and steering techniques, pore pressure techniques and methodology.
  • Ability to understand all the elements of a multi-disciplinary team.
  • A confirmed specialist in wellsite geology with potential to evolve to another professional discipline, such as operations and development geology/petrophysics/reservoir engineering.


*Only applicants meeting the strict criteria outlined above will be contacted as part of the shortlisting process.