Rotary controlled system for drilling wells oil and gas industry

From Evolution to Revolution

Electric Motors in Oil & Gas Exploration

 

The Arc of History Underground

When the first known spring-pole well was drilled in the United States, Thomas Jefferson was president. With gravity and impact, using manila hemp rope and wooden rods, David and Joseph Ruffner achieved a well depth of 58 feet.

It was in the 1980s that the next literal breakthrough in drilling would take place: hydraulic fracturing. Horizontal drilling and fracking allow oil and gas drillers to reach and extract reserves that would otherwise be too technically difficult or economically impractical to explore. These methods extend the scope of drilling operations from a single site beyond what is possible with multiple vertical wells. But with new technology and new capability came new challenges.

Feedback in Real Time

To maximize productivity and reliability, directional drilling depends on data gathered by two methods: measuring while drilling (MWD) and logging while drilling (LWD). With MWD, sensors provide data to help drilling rig operators track and manage their progress. Collected data can also be used in analysis and reporting, performance assessments, and benchmarking for similar operations. Developed to augment or replace wireline logging, LWD is generally used in geosteering and evaluation of geological formations.

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