IOTA Group

Drilling Engineer

IOTA Group · Lagos, Nigeria
Lagos, Nigeria Posted 2026-11-05
Type
Full-time
Experience
3-5 yr

 Well planning: Trajectory design based on reservoir targets and local constraints;

 Directional well planning for all anticipated directional wells;

 Directional Well Planning to include a Geodetic coordinates systems conversion application as

well as a Geomatic model updated on a regular basis, i.e. BGGM (to model local Earth Magnetic

Field, Dip Angle, and Magnetic Declination);

 Directional Well Planning to include well positioning uncertainty calculation based on ISCWSA

models;

 Directional Well Planning to include way-to-target functionalities for daily well trajectory followup;

 CANDIDATE to provide directional maps: i.e. Vertical Section view plot, Plane view plot. The

vertical directional map will allow projection of the well profile over unwrapped horizontal

departure as opposed to a vertical section plan.

 Trajectory plots on request;

 Anti-collision calculations with existing wells while designing the trajectory;

 Prepare spider plots and travelling cylinders with no-go areas;

 Calculate Non-Magnetic spacing requirements to ensure surveys are within Field Acceptance

Criteria;

 Select and propose BHAs including BHA tendency analysis;

 Optimize the position of jars in the BHA with a proper dedicated jar placement software;

 Perform hydraulic simulations (expected ESD, ECD and SPP). Recommendations on bit nozzle

selection or TFA;

 Run Torque and Drag analysis, including casing, liner and other requirements;

 Laise with multiple functions to ensure proper fitting between each BHA element (Jars,

Reamers, etc.);

 Technical support and advice to the CLIENT drilling department on the optimum techniques to

realize the objectives of the well;

 Recommend BHAs, drilling assemblies to achieve the desired directional requirements. The

recommendation shall include documented analysis of the predicted directional behavior,

torque and drag, critical buckling, and hydraulics;

 Keep survey database up-to-date with the latest drilled wells surveys;

 Bit TFA calculation for Steerable Motor applications in order to "Thrust Balance" PDM motor

bearing assembly for each application as a function of anticipated Flow Rate, Mud Weight and

WOB;

 CANDIDATE shall use a BHA tendency predict model for planning, operational, and post-well

analysis;

 CANDIDATE shall use a computer model to predict critical harmonic rotary speeds and review

results of such predictions with CLIENT and make recommendations to minimize the risks of

downhole failures due to harmonic peaks;

 Recommendations to minimize well tortuosity must be provided;

 In a collision-risk environment, assist the Directional Driller on the rig site and solely focus on the

wellpath realization and projection a minimum of 45 m ahead.

REPORTING

 Trajectory plots on a daily basis showing realized versus planned trajectory;

 Validate, QC, and sign off final trajectory;

 QC data from MWD measurements and gyro measurements, if any;

 Provide the Directional Drilling Program and End-of-Well Report.

 Keep track of Lessons learned.

Software familiarity:

DOX, DrillPlan, Perform Toolkit Pro

Compass, WellPlan

WellArchitect, JewelSuite Well Engineering

Experience in the role 5-10 years in onshore /in-house drilling engineering

University degree in Engineering/related field

Must hasve the following Software familiarity:

DOX, DrillPlan, Perform Toolkit Pro

Compass, WellPlan

WellArchitect, JewelSuite Well Engineering

The Client is a global company that provides products, services, and solutions to both oil & gas and energy industry

The position is open to Nigerian Nationals

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