Business Finance
Perforation in Oil Wells and Factor Influencing Perforation Performance PPT

Question Description

I’m studying for my Powerpoint class and need an explanation.

Me and my group are going to make a presentation and the topic of our presentation is Perforation. We broke it down to different sub-topics.

My sub-topics are:

  • Introduction
  • Jet perforation
  • Factor influencing perforation performance

You will only need to work and create slides for my sub-topics. I will need 10-15 slides, and I will also need you to provide me with a word document on what to say in each slide. provide illustrations on the slides and don't make them wordy. Make sure to show everything on bullets points

Student has agreed that all tutoring, explanations, and answers provided by the tutor will be used to help in the learning process and in accordance with Studypool's honor code & terms of service.

Final Answer


Perforation in Oil Wells

❖Perforation of oil and gas wells is designed to create tunnels in the

communication path between the wellbore and a reservoir.
❖The effectiveness of this path is determined by the flow of fluid to the
well under low pressure conditions.

❖Also the perforation process include the insertion of a perforating gun
into the wellbore at predetermined depth and its firing after it is
❖Jet perforation is one of the methods for exploding the wellbore to
create a tunnel.
❖Therefore, this presentation will focus on this method and factors for
enhancing perforation performance.

Jet Perforation
❖ Jet perforation is the method that uses the shaped charges in a perforating
❖ Also, it involves the use of special explosives for the creation of tunnels from
the pay zone to wellbore through the function of the high-pressure jet.
❖ It is a highly reliable and structured method for perforating oil and gas wells.
❖ Hence, the perforating
guns are assembly in the
wireline or other tubing
casing according to the
conditions of the wellbore.
Image Source: Samad, A. (2011). Perforation of oil and gas wells.

How Jet perforation Works
❖Jet perforation works through the application of explosive
charges shaped appropriately to create perforation tunnels.
❖The explosive charges facilitate the penetration of the casing to
shoot efficiently into the oil reservoir formation by producing
high pressure force (Kolawole, Gamadi, & Bullard, 2019).
❖The shaped charges used are contained within a perforating
❖Also, the conveyance of the charges differs with regard to
application required and the conditions of the wellbore.
❖Types of conveying involved in jet perforation include tubing,
wire line and coiled tubing.

The Shaped Charge

The Image Source: Samad, A. (2011). Perforation of oil and gas wells.

How Jet Perforation Works../2
❖ The first step involves the firing of the denotation cord through employing
of high energy to facilitate the ignition of the denotation cord.
❖ Secondly, the charges are initiated to facilitate creation of the oil flow
❖ High order needs to be maintained throughout this sequence to avoid
production of burn that produces slow energy release.
❖ According to Vijay, Foldyna, and Remisz (2018), penetration of a jet
perforation works through pushing aside the contents present in the
targeted pathway.

Types of Jet Perforation
❖ Application of water jet technique within well completion and stimulation provide
several alternative approaches that significantly enhance the oil recovery and

reduces cost.
❖ Poplygin, Rusinov, Wiercigroch, and Pavlovskaia (2017) stated that abrasive jet
perforation creates clean oil channels and boost productivity.
❖ The deep-penetrating hydrajet perforating has the ability to apply both nozzle and
tubing kinds of jets that facilitate the achievement of great penetration depth.
❖ The multilayer hydrajet fracturing and staged fracturing applies a well without a
mechanical packer due to the high-pressure water reducing cost while boosting the

fracturing effect.
❖ The radial horizontal drilling technique permits horizontal drilling , shortens sidetrack
drilling and reduces overall cost while increasing the productivity of the well.

Abrasive Jet Perforation (Li, Huang, Tian, & Shen, 2010)

Hydraulic Deep-penetrating Jet Per...

henryprofessor (72683)
University of Virginia

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