Stick-slip torsional drill string vibrations manifest in low-frequency torque fluctuations of significant amplitude during drilling or coring operations. It is often seen as a groaning
Category: Drill String
Subs are short pieces of tubular material used to increase the versatility of the main component of the drilling string. The simplest is a crossover
In general, the neutral point can be defined as the point in the drill string where there is a change from tension to compression in
When manufactured, the new drill pipe will be subjected by the manufacturer to a series of mechanical, tensile, and hydrostatic pressure tests & inspections by
Mechanical drilling jars are different from Hydraulic Drilling Jars Operation & Mechanism as it has a preset load setting that must be applied before the
Hydraulic Jar is one of the drilling jars types used in drilling operations to free stuck pipe problem. In this article, we will introduce to
Bending Strength Ratio Definition In General, Bending Strength ratio BSR is a ratio of the relative stiffness of the box to the pin for a
In general, we can define the burst pressure in drill pipe as the differential pressure acting across the drill pipe wall due to an internal
What Is The Drill Pipe Slip Crushing Effect Slips exert hoop compression on the Drill Pipe which can deform the pipe if conditions are unfavorable. In this article
What Is The Overpull Drilling Definition The definition of Overpull Drilling is the maximum pull that can be exerted on stuck drill pipe without causing failure in
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