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Stuck Pipe Solutions in Drilling

This document provides an overview of fundamentals of onshore drilling, including causes of stuck drill strings and fishing operations. It discusses formation-related causes such as mobile formations, unconsolidated formations, and reactive formations. It also examines drilling operation-related causes like junk in the hole, poor hole cleaning, doglegs, and differential sticking. Finally, it outlines various fishing tools and techniques used to resolve stuck pipe issues, such as jarring, overshots, mills, junk baskets, wireline spears, and more.

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227 views20 pages

Stuck Pipe Solutions in Drilling

This document provides an overview of fundamentals of onshore drilling, including causes of stuck drill strings and fishing operations. It discusses formation-related causes such as mobile formations, unconsolidated formations, and reactive formations. It also examines drilling operation-related causes like junk in the hole, poor hole cleaning, doglegs, and differential sticking. Finally, it outlines various fishing tools and techniques used to resolve stuck pipe issues, such as jarring, overshots, mills, junk baskets, wireline spears, and more.

Uploaded by

avula43
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Fundamentals of Onshore Drilling

Fundamentals of Drilling
Fishing –
Stuck Pipe Problems
presentation No. 4

references:

• Bernt S. Aadnoy, Iain Cooper, Stefan Z. Miska, Robert F. Mitchell, Michael L. Payne:
Advanced Drilling and Well Technology. SPE 2009, ISBN: 978-1-55563-145-1.
• Robello G. Samuel, Xiushan Liu: Advanced Drilling Engineering – Principles and
Design. Gulf Publishing Company, Houston Texas, 2009,
ISBN: 978-1-933762-34-0.
• Joe DeGeare, David Haughton, Mark McGurk: The Guide to Oilwell Fishing
Operations (Tools, Techniques and Rules of Thumb). Gulf Drilling Guides,
Houston, Texas, 2009, ISBN: 978-0-7506-7702-2.
•A Primer of Oilwell Drilling. Petroleum Extension Service, Houston, Texas 2001,
ISBN: 0-88698-194-8.
• Robello, R. G.: Downhole Drilling Tools. Gulf Publishing Company, Houston, Texas
2007, ISBN: 978-1933762135.
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Causes for Fishing Operations

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Causes of Stuck Drill String

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1. Formation Related Causes of Stuck Drill String

Mobile Formations Unconsolidated Fractured / Faulted Reactive Formations


(salt, plastic shale) Formations Formations (swelling clays)
(sands, gravels) (fault/rubble zones)

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2. Drilling Operation Related Causes of Stuck Drill String

Junk in Hole Poor Hole Keyseat in Collapsed Casing


(lost roller cone) Cleaning Doglegs

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2. Drilling Operation Related Causes of Stuck Drill String

Differential Sticking Undergauge Hole Cement Related


Mud Cake Worn Bit Gauge Flash Setting
Too Thick of Cement

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Principle of Jarring Operation

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Techniques for Catching the Fish

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Principle of Overshot Operation

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Recovering or Removing Small Junk

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Various Types of Milling Tools

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Working Principle of a Junk Sub

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Catching Roller Cones with Junk Basket

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Catching Logging Cable with a Wire-Line Spear

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Fishing Tools

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Fishing Tools

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Fishing Tools

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THE END!!!

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