Drilling Fluid Engineer

Job description / Role

Employment: Full Time

Drilling fluid engineer responsibilities

Perform drilling fluid planning for any wells drilled and worked over under this contract.

Provide load-out and mobilization plan of contractor equipment.

Check and work with given drilling fluid formulations including base fluid concentration, densities, rheology, fluid loss, etc.

Hydraulics modeling.

Surge and swab analysis.

Hole cleaning profile.

Brine and mud density profiles.

Flow displacement program.

Kill well calculation.

Estimate product volumes and quantities required for each primary and contingent hole section.

Contingency plan for lost circulation including optimal bridging agent selection, balling, H2S, stuck pipe, water flow, and over-pressured zones.

Check and record circulating temperature simulation for each hole section.

Perform drilling fluid simulation and assessment in highly deviated and/or extended reach wells to be drilled.

Handle bulk and mud chemicals.

Keep company representative at offshore work site (on the rig) informed on progress of each job and report any difficulties promptly.

Report all failures to company representative at offshore work site (on the rig) together with contractor representative in contractor operation office.

Ensure that the relevant service ticket is completed and authorized by company representative at offshore work site (on the rig) prior to departure.

Provide company representative at offshore work site (on the rig) with daily reports, daily inventory reports, and daily cost estimates.

Provide any technical advice and support on all aspects related to the work.

Provide suggestions and recommendations related to HSE to minimize the risk of incidents.

Ensure that all drilling and completion fluid systems are correctly formulated to fully meet requirements of specifications under this contract and/or any instruction given by company.

Ensure that all drilling and completion fluid properties are maintained as specified in the drilling fluid program agreed by both parties.

Respond immediately to any change in drilling or operational circumstances and the consequent requirement to review fluid properties and strategies.

Recommend changes to better achieve the well objectives and optimize drilling fluid and solid control equipment performance.

Implement recommended changes approved by company personnel on the rig to better achieve the well objectives and optimize drilling fluid and solid control equipment performance.

Monitor shale shakers to ensure that the finest possible screen mesh sizes are utilized at all times without incurring whole mud losses.

Continuously monitor cuttings (i.e., shape, size, and volume) to assess the adequacy of formation inhibition, hole stability, and hole cleaning efficiency.

Closely monitor shale shakers at first bottom-up prior to tripping, and remain at the shale shakers until the hole is circulated clean.

Inform company representative on the rig when the hole has cleaned up sufficiently to safely trip out of the hole.

Closely monitor drilling and completion fluid volumes at all times, especially during critical operations such as drilling in potential lost circulation zones, over-pressured zones, and during cementing operations.

Maintain drilling and completion fluid materials inventories in usable condition at safe operating levels with adequate allowance for contingencies.

Maintain and update inventory of contractor equipment including any necessary consumables and spare parts on a daily basis.

Prepare a detailed mud pit management plan for each hole section including, but not limited to, all drilling fluids mixing and fluids transferring.

Prepare daily instructions to the rig contractor crew to direct them on the requirements for drilling fluid mixing and treatment.

Prepare daily drilling fluid and solid control discharge reports.

Ensure that all drilling and completion fluid testing equipment is regularly calibrated and maintained as per API Spec. 13A.

Run specified quality control tests on all bulk barite and bentonite received at offshore work site (on the rig).

Run a minimum of one full active mud test, one on an "in" sample and one on an "out" mud sample per tour (12 hours).

Run pilot tests as required to diagnose drilling and completion fluid problems and/or optimize chemical treatment levels.

Ensure that completion fluid (brine) meets the NTU specification defined by company.

Solid control equipment management

Ensure sufficient stocks of suitable size shale shaker screens are available and that orders for new screens are placed in advance of their anticipated required date.

Ensure the integrity of all shale shaker screens is checked regularly during all drilling and circulating conditions. Torn shale shaker screens should be properly replaced.

Ensure all used shale shaker screens are cleaned with base fluid, not seawater. Clearly identify and safely store shale shaker screens when not in use.

Ensure centrifuges are started up and shut down according to the manufactureru2019s recommended procedures.

Ensure rig maintenance crews maintain and service shale shakers and centrifuges as required.

Inform company personnel on the rig whenever solids control equipment requires servicing or repairing and ensure that necessary steps are taken to mobilize the service personnel.

Company Industry: Oil & Gas

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