Home » Directional Drilling

## Whipstock Drilling Mechanisms & Operations

The whipstock is an old directional drilling tool that is used today primarily to perform well sidetracking out of the casing. Whipstocks and jetting techniques

## Geosteering Definition, Applications In Oil & Gas

Geosteering is defined as “the drilling of a horizontal or other deviated well, where decisions on well path adjustment are made based on real-time geologic

## Non-Magnetic Drill Collars Functions & Selection

Non-magnetic drill collar is made from specially treated steel alloys so that it does not affect magnetic surveying instruments. Their purpose is to isolate directional

## Neutral Point Calculations In Drilling String

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

## Drilling With MWD Operations & Procedures

Pre-job Requirements Pre-job Requirements An operating company wishing to use a Measurement While Drilling system must first decide: Where several different tools meet all the

## MWD Sensors Used in Directional Drilling Guide

All MWD sensors used in the downhole tool must be rugged enough to withstand the harsh environment. Only one of the systems currently available has

## MWD Tool Components & Mechanism In Directional Wells

All the Measurement While Drilling MWD systems commercially available is based on some form of mud pulse telemetry. Although several different companies in oil and

## Multilateral Wells Drilling Technology Full Guide

So far we have discussed directional drilling wells & horizontal wells (check also horizontal directional drilling calculations) in previous articles. This knowledge can be extended

## Dogleg Severity Guide, Calculation & Formula

Dogleg severity is a measure of the amount of change in the inclination, and/or azimuth of a borehole usually expressed in degrees per 100 feet

## Horizontal Directional Drilling Calculations For Oil & Gas

Planning & calculating a horizontal wellbore is different from planning normal directional drilling well for oil and gas. In a normal directional wellbore, the target