Geosteering
Precision Wellbore Navigation with Remote and Onsite Services
What is Geosteering?
Geosteering is the process of guiding a wellbore through specific rock layers, or strata, using real-time data and detailed geological models. By understanding and tracking the structure and thickness of these layers while drilling, geologists can keep the well in the most productive zone, improving performance and reducing drilling risks.
At Belloy, we specialize in strat-based geosteering backed by over 45 years of geological expertise. Our team of degreed, field-trained geologists works 24/7 to interpret live data and make accurate adjustments as you drill. Whether you’re targeting a tight window or navigating complex formations, Belloy helps you stay in zone and on plan—maximizing recovery and drilling efficiency.
Geosteering Sofwares
Tools That Help Navigate Horizontal Wells in Real Time



Belloy Geosteering stays at the forefront of industry-leading geosteering and striplog software to ensure accuracy, efficiency, and collaboration throughout your drilling operations. Our team is highly skilled in a wide range of platforms, with primary use of Wellsight Systems Striplog for field logging and Rogii StarSteer for real-time geosteering.
With Rogii’s Solo Cloud integration, we maintain seamless connectivity and data sharing across teams and locations. Whether you’re working with StarSteer or another platform, our geologists are trained in multiple software systems, allowing us to deliver high-quality service in whatever format best suits your operation—enhancing your overall experience with Belloy.


Geosteering Solutions
Innovative Methods to Optimize Well Placement
Unconventional Heavy Oil
(SAGD or CSS)
Target:
1m Above Reservoir Base.
Tools:
Azimuthal Resistivity, Gamma Ray, Real-Time Inclination, Mud Motor.
Focus:
Analyze real-time resistivity for proactive geosteering to avoid a base shale tag.
Results:
- 100% in-zone across 1250m lateral.
- Polarization horns on resistivity track confirm that the wellbore is within 1m of the base of reservoir.
Unconventional Shale
Reservoir
Target:
4m zone based on optimal frac modelling.
Tools:
Rotary Steerable (RSS) with Gamma Ray.
Focus:
RSS inclination control and ROP response. Land deep in zone to explore full GR section.
Results:
3200m lateral + 300m build/turn completed with one BHA run. Average lateral ROP of 77 m/hr.
Unconventional Shale Reservoir
Target:
0.5m zone for optimal ROP.
Tools:
Rotary Steerable (RSS) with Gamma Ray.
Focus:
RSS inclination control and ROP response.
Results:
- Tracked 0.5m zone for entire length of 3600m lateral. Remained within center 0.2m of 0.5m target.
- One BHA run with an average ROP of 87 m/hr.
Unconventional Shale Reservoir
Target:
5m zone in Middle Montney.
Tools:
Mud Motor with Gamma Ray.
Focus:
Gamma response and inclination control to optimize ROP and in-zone %.
Results:
- 99% in-zone across 2500m lateral
- Real-time WITSML data stream allows for immediate changes to the interpreted formational dip
Conventional Sandstone Reservoir
Target:
1m Upper Porosity Zone within 4.5m reservoir.
Tools:
Rotary Steerable (RSS) with Gamma Ray.
Focus:
RSS inclination control and gas response. Land deep in zone to explore full GR section.
Results:
- 100% in-zone across 3200m lateral with 94.5% within high porosity target zone
- Managed RRS inclination to avoid non-reservoir roof tag while averaging on-bottom ROPs of 135 m/hr
Conventional Heavy Oil Multi-Lateral
Target:
1-4m Below Reservoir Top.
Tools:
Gamma Ray, Conductivity Tool or Bulk Resisitivity, Mud Motor.
Focus:
Analyze real-time bulk resistivity or at-bit conductivity for proactive geosteering to avoid non-productive roof.
Results:
- 99% in-zone across 12,000 m, 11-leg multilateral well.
- Learnings from adjacent horizontal legs in combination with at-bit conductivity allow for proactive target changes to stay in zone immediate changes to the interpreted formational dip
Target:
Unconsolidated to moderately consolidated sandstone reservoirs or carbonate reservoirs where the zone may be thin, but laterally extensive.
Tools:
Gamma Ray, Conductivity, Bulk Resistivity, Azimuthal Resistivity, Mud Motor.
Focus:
Use real-time LWD tools to navigate thin but extensive reservoirs in any number of multilateral well designs (fishbone, feather, waffle, stacked) to increase reservoir contact and drainage efficiency while reducing surface footprint and cost.
Results:
- Using StarSteer geosteering software allows geologists to easily visualize results of adjacent horizontal legs, sidetrack points, well spacing, and hard boundaries in map view

Geological Wellsite Supervision
Ensuring Accurate & Detailed Reporting

Operations & Project Management
Streamlining Efficiency and Delivering Results

Reservoir Evaluation Management
Comprehensive Analysis for Optimal Reservoir Management
45+ years of geological excellence
Backed by decades of experience, our team delivers results-driven geological solutions