Measurement-While-Drilling (MWD)

Halliburton utilizes measurement-while-drilling (MWD) technology to determine wellpath and position in three-dimensional space. MWD is a valuable tool that can establish true vertical depth, bottom-hole location, and orientation of directional drilling systems.

AcoustiCaliper™ MWD Tool
Provides borehole caliper measurements. Diameter can be used to calculate wellbore volume.
At-Bit Inclination (ABI™) Sensor
Compares inclination measured at the bit with inclination measured higher up at the MWD tool.
Drillstring Dynamics Sensor (DDS™) Tool
Measures downhole vibration to help avoid or eliminate damaging stress to tools, motors, bits, etc.
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.
GABI™ Sensor - Gamma/At-Bit Inclination
LWD sensor provides at-bit azimuthal gamma ray and inclination measurements for improved geosteering and optimum well placement.
GeoTap® Sensor
LWD formation tester obtains real-time direct pore pressure measurements.
M5™ Integrated LWD Service
Integrated LWD service provides formation evaluation answers from resistivity and azimuthal gamma ray sensors and drilling optimization answers from vibration and pressure sensors.
Pressure-While-Drilling (PWD) Services
Provides annular pressure, internal pressure and temperature measurements. Aids in detecting lost circulation and flow/kicks before they happen.