Service 03 / 06

Geosteering

Integrated software and specialist workflows for steering horizontal and highly deviated wells with greater confidence.

Capability overview

Built around the decision, not just the equipment.

The Geonaft suite combines real-time data, correlation tools, and geological modeling in one environment. It supports both connected and disconnected workflows and is designed for the complexities of LWD and MWD data.

01

The operational challenge

Understand the condition before choosing the response.

A pre-drill trajectory cannot fully represent the structural and stratigraphic uncertainty encountered by the bit. In horizontal and high-angle sections, small interpretation delays can move the wellbore away from the intended interval or reduce useful reservoir exposure.

02

Zima's approach

Connect technical scope with field execution.

Zima's workflow continuously compares incoming directional and formation measurements with the geological model. Correlations and model updates give the geology and directional teams a common basis for timely trajectory decisions.

Scope

What the capability includes.

  • Real-time and disconnected workflows
  • Horizontal and highly deviated wells
  • LWD and MWD data integration
  • Correlation and modeling tools
  • Single gamma-ray or full-measurement workflows
  • Integrated interpretation environment

Delivery workflow

A controlled path from definition to technical closeout.

The exact program is adapted to the well, operating environment, available data, and the client's decision criteria.

  1. Pre-job model preparation

    Compile offset-well information, target boundaries, expected log responses, and uncertainty into the working model.

  2. Real-time data integration

    Load and quality-check directional, MWD, LWD, and available geological information as the section is drilled.

  3. Correlation and model update

    Compare observed responses with the prognosis, update boundaries, and evaluate alternative interpretations.

  4. Decision support and closeout

    Communicate steering context, preserve the decision history, and deliver an updated post-well interpretation.

Typical deliverables

Information the operating team can use.

  • Pre-job geosteering model and interpretation basis
  • Real-time correlation and boundary updates
  • Annotated well-position and target displays
  • Trajectory decision-support records
  • Post-well model and interpretation package

Where it applies

Configured for the operating context.

  • Horizontal and highly deviated wells
  • Thin or structurally uncertain targets
  • LWD and MWD-led well placement
  • Connected and disconnected field workflows
  • Operations requiring a shared real-time geological view

Operational value

A unified geosteering workflow that helps teams place the wellbore with better context, consistency, and confidence.

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