Before starting leak off test drilling procedures, gauges should be checked for accuracy. Also, the upper-pressure limit should be determined. It is so simple to run leak off test drilling but if you exceeded certain pressure, you may break the formation and a loss of circulation may occur. Leak Off Test Best Practice Pre-job Procedures. …
Surging or swabbing pressures in drilling describe pressure changes in the annulus resulting from pipe movement. The swabbing occurs when the drill pipe is pulled from the well, forcing mud to flow down the annulus to fill the void left by the pipe. However, the surging occurs when the drill pipe is lowered into the …
Overpull Drilling is the maximum pull exerted on a stuck drill pipe without causing failure in the Drill String. In this article, we shall learn more about the margin of drill pipe overpull calculations, and there is also an online calculator for it. Maximum Overpull In Drilling The maximum overpull exerted on stuck drill pipe …
In Drilling Torque and Drag Calculations, we will discuss how to manually calculate the total Torque & drag in the drill string. Then we will direct you to the torque calculations section also we will provide you with simple examples showing how to calculate. In addition to the above, you can also download a torque …
Drilling jars are one of the BHA components that should be run with the drill string to help free stuck pipes. There are two common types of drilling jars: hydraulic and mechanical. Hydraulic jars use the pressure the string generates to apply an impact load. In contrast, the mechanical type uses a spring-loaded design to create an impact load. This …
This article aims to show the directional well trajectory calculation methods required for all well profile design planning, including build, hold, and drop sections, and to show the utilization of trajectory and directional survey calculation methods by designing the well path of two wells. Please note that this article is one of our Directional Drilling …
This article aims to understand how to perform various directional drilling survey calculation methods and terminology. We will provide a simple Excel spreadsheet to help in your calculations as an average angle, radius of curvature & minimum curvature Directional surveying spreadsheet. Nowadays, you will find a lot of software for directional drilling survey calculation methods. …