The link below contains some very interesting footage of a downhole video camera deployed on coiled tubing and ran into a horizintal well containg frac sleeves. It clearly shows three phases of flow: gas, oil and produced water and demonstrates how horizontal wells are seldom truly horizontal.
Downhoe video tools and techniques came into vogue in the early 90's and are widely used as a diagnostic tool for downhole problems (fishing) or to better unferstand flow issues.
https://www.youtube.com/EVdownholevideo
I hope that this link is informative and educational as well.
Enjoy!
Brian
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Permalink Reply by Robert Bond on March 9, 2013 at 5:10am Good find very informative Thank You!
Permalink Reply by Billy Park Whyde on March 9, 2013 at 6:26pm Interesting but I didn't see my cell phone! Oh that went down a different hole, lol. But the videos are pretty neat in that they can detail so much.
Permalink Reply by paleface on March 10, 2013 at 4:44am Brian thank you for posting that very informative,were the pressures down on most of those wells?Could they use the camera system in a full pressure well above 15,000. psi.Thanks again great post.
pf-
It's hard for me to tell from the videos if they were taken using pressure control equipment or not.
If used in a well above 15kpsi BHP, I think that they would need to use a pipe snubbing rig and a downhole wireline wet connect system to connect to the camera. Not an undertaking for the faint of heart!!!
Brian
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