Evader® Gyro-While-Drilling Service

Sperry Drilling services' Evader® MWD gyro service was developed to fill a critical industry need: to provide faster, safer, more accurate drilling from offshore multi-well platforms. In the past, a wireline gyro was used to take a gyro shot to orient the pipe and survey the well. This activity can be time-consuming, as well as pose a health, safety and environments (HSE) risk. In between shots, the tool was steered without real-time orientation, increasing the possibility that the motor toolface could change direction and drill into a nearby well.

Benefits

  • Eliminates the need to use wireline gyros to orient or steer the drilling assemblies, which saves considerable rig time and provides for safer operations
  • Rate gyro accuracy assures precise wellbore guidance for collision avoidance and precise trajectory placement
  • Unaffected by magnetic interference, the sensors can run closer to the bit in the MWD string by eliminating the need for non-magnetic spacing collars for the gyro sensor
  • The tool's modular design allows it to be placed anywhere in the drill collar
  • The tool may be run with either positive pulse or negative pulse telemetry systems
  • The service utilizes the InSite® rig information system and complements Sperry's suite of LWD tools

Evader Gyro While Drilling Service Evader Gyro While Drilling Service

Evader® Gyro-While-Drilling Service

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  TitleНазвание  DateДата
Summary Summary Malaysia: Talisman Uses Sperry’s Evader® MWD Gyro Service to Avoid Downhole Collisions Sign in required
Evader® Gyro-While-Drilling (GWD) service was used to closely monitor bottomhole assembly (BHA) progress inside the magnetic interference zone.
Summary Summary Colorado, USA: Sperry’s Directional Drilling and Measurement-While-Drilling Services Key in Piceance Basin Tight Gas Development Project Sign in required
Sperry’s excellent drilling performance with minimal failures and reduced operational times has allowed the operator to achieve the best performance results in the Piceance Basin.
Summary Summary Evader® Gyro-While-Drilling Service
Aids in orienting and steering the drillstring. Improves wellbore guidance to avoid collision with other wells on multi-well platforms. Immune to magnetic interference.
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