Nature

An equivalent circulating density prediction model for extended-reach horizontal wells considering drill strings sinusoidal buckling

Sinusoidal buckling of drill strings will be easily caused during drilling process of extended-reach horizontal wells due to the factors such as excessive well length and larger friction torque, which ...
Nature

A supervised machine learning model to select a cost-effective directional drilling tool

As technology advances and options increase, the selection process becomes more difficult and time-consuming, drilling is not an exception. Directional drilling is the norm of the industry. Most wells ...
Oil

Real-time well engineering predicts drilling friction, aids logging

Real-time streaming well data monitors drilling performance and aids drilling decisions using web-based drilling models to calculate and predict drilling parameters. These models improve rate of ...
Oil

Hydraulic completion unit performs 4-mile Permian drillouts

Based on “Permian Ultra-Long Lateral Drillout and Intervention Using Hydraulic Completion Units,” SPE-223569-MS, SPE Hydraulic Fracturing Technology Conference and Exhibition, The Woodlands, Tex., Feb ...