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Oil and Gas Drilling - Solid Induced Pack-off
Rating: 4.4 out of 5(15 ratings)
45 students

Oil and Gas Drilling - Solid Induced Pack-off

Introduction to Stuck Pipe Prevention
Created byWellideas by iOptima
Last updated 6/2021
English
English [Auto],

What you'll learn

  • Oil and Gas
  • Solid Induced Pack-Off
  • Drilling
  • Offshore Drilling
  • Stuck Pipe Prevention
  • Drilling Engineering

Course content

2 sections • 12 lectures • 41m total length

  • Introduction & Module Objectives1:14

    Explore the causes of solids induced pack-off that lead to stuck pipe and drillers’ first actions to free a stuck drillstring, covering unconsolidated, mobile, fractured, and overpressured formations.

  • Unconsolidated Formations3:33

    Unconsolidated formations are weak and can cause bridging and a stuck drill string. Build a low permeability filter cake with LCM, soak viscose pills, and slow pump actions.

  • Mobile Formations1:35

    Explore how mobile formations such as salt, mud, stones, and shales squeeze into the wellbore when downhole pressures exceed hydrostatic mud weight, triggering tight spots and increased torque.

  • Fractured & Faulted Formations7:04

    Explore fractured and faulted formations and their collapse, and how shale shakers and software predict downhole problems, with preventative actions to minimize vibrations and rpm changes.

  • Naturally Over-Pressured Shale Collapse2:27

    Drilling overpressured shales risks sudden shale collapse into the wellbore if mud weight is inadequate; prevent with mud weight, minimal open-hole exposure, and recognizing carvings as signs of wellbore instability.

  • Induced Over-Pressured Shale Collapse2:32

    Identify induced overpressured shale collapse with modern shale shakers, and apply non water based muds and proper drilling and trapping practices to prevent downhole surge and shale fracture.

  • Reactive Formations1:22

    Reactive formations, shales and mud stones, raise torque and standpipe pressure with non inhibitive mud. Apply polymers or salts to increase inhibition, monitor properties, and perform rimming to prevent sticking.

  • Poor Hole Cleaning7:04

    improve hole cleaning by preventing downhole problems from reactive formations through proper mud quality, adequate circulation times, maximizing annual velocity, and using auto recipe-driven mud preparation and shaker control.

  • Tectonically Stressed Formations1:17

    Explore tectonically stressed formations, especially shale, and drilling challenges at high angles. Apply preventative actions: maintain mud weight, ensure clean circulation, and drill smaller hole sizes when possible.

  • The Driller’s First Actions8:23

    Execute the driller's first actions for a solids induced pack-off, including reducing pump rate, bleeding standpipe pressure, cycling the drill string, and applying jarring with megaton jars when needed.

Requirements

  • No prerequisites

Description

In today’s drilling market no one can afford to get stuck – the costs are simply too high – especially if the incident leads to having to side-track or abandon the well. The more Drilling Personnels know about Stuck Pipe Prevention, the less likelihood of becoming stuck. We begin by helping you to understand the key causes of Solids Induced Pack off so that they may be prevented through well planning, certain drilling fluids, and certain drilling practices, policies, and procedures.

We cover the following formations which may cause Solids Induced Stuck Pipe: Unconsolidated Formations, Mobile, Fractured and Faulted Formations, Naturally and Induced Overpressured Shale Collapse, Reactive and Tectonically Stressed Formations and finally Poor Hole Cleaning. We then cover The Driller’s “First Actions” which he is required to carry out if he does become stuck downhole. Finally, there are several questions which the delegate is required to answer to demonstrate his or her understanding of the subject material.

This course is conducted by Dr. Michael Gibson, who has 40 years of Drilling Industry experience. He has written a great deal of training material throughout the years and many SPE, IADC, and Industry Conference Papers. This is an informative course which is both interesting and enjoyable. This is an informative course which is both interesting and enjoyable. Sign up today!

Please see more modules related to Introduction to Stuck Pipe Prevention here:

1. Module 1 - Solid Induced Pack-off 

2. Module 2 - Differential Sticking

3. Module 3 - Mechanical & Wellbore Geometry Sticking

4. Module 4 - Hole Cleaning

5. Module 5 - Best Practices

6. Module 6 - Jars & Accelerators

Click on our profile to find out more drilling-related courses.


Who this course is for:

  • Student
  • Operators
  • Drilling Contractor
  • Service Personnels

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