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Question
Hi David,

I am doing a research on the upstream phase of oil and gas where drilling is one of the most crucial processes. Could you help me understand the techniques, compexities and the costs involved in drilling. and what is done post driling. Its ok if u're not elaborate. Could you list down a few key points which i cant keep in mind while researching on this topic. that'll be of great help.

Thanks !

Answer
Drilling is performed with a rotary rig; the video at the link below provides a good explanation about the process.

http://www.youtube.com/watch?v=OSbF33KpieM

Once the well is drilled then it has to be "completed".  There are many different techniques for completing a well; however, it typically includes cementing production casing in the bottom of the well and perforating the casing so that hydrocarbons can flow to the surface.

Here is the definition from the SLB glossary.

http://www.glossary.oilfield.slb.com/en/Terms/c/complete_a_well.aspx

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David Traugott

Expertise

I can answer questions related to the technical issues associated with the drilling and completing of oil and gas wells; very familiar with the cementing process, LWD tools and Coiled Tubing operations. Limited knowledge of mineral rights and/or royalties.

Experience

Seventeen years working as an engineer in the industry both in the field and in the office. Field locations include offshore, land, and overseas. Office locations include Lafayette, LA and Houston, TX.

Organizations
SPE, AADE, IADC, API, IEEE, ICoTA

Publications
SPE Drilling and Completion Magazine, World Oil, Harts E&P.

Education/Credentials
Bachelor of Science in Electrical Engineering, UL Lafayette 1995. Strategic MBA, University of Houston-Victoria 2010

Past/Present Clients
Major and Independent Oil and Gas Companies.

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