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Reddit | Oil & Gas by /u/mblack61 - 2d ago
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I acquired this tricone drill bit from a friend. As far as we can tell it has never been used, it's in great shape. I have tried to follow the IADC code list (https://bestdrillingbits.com/iadc-code-reference-for-tricone-bit/) but haven't really been able to determine anything.

https://i.redd.it/0mqacx4qr7h21.jpg

You can see all the photos here: https://imgur.com/a/yk13zRb

Inside the threaded portion there is a code 1529 (https://imgur.com/tad7zH7), but I don't think this is the correct code because 5 should not be the second digit.

Along the support for each cone, there is a marking of 8139623 10 DT X (https://imgur.com/oUoolj7). I have no idea what this means.

In one place, between the supports, there is the marking of 7141 (https://imgur.com/UFi8NDy), but I don't think that's right either because the fourth digit should be a letter.

There are markings on the cones themselves of Δ135282 14 LCZ 8-3/4 Y83 (https://imgur.com/2kfNevC)

I guess the ultimate questions are:

1) what is the classification of the bit?

2) is it worth anything to anyone? Any recommendations on how to find a buyer? Otherwise it is just going to be a doorstop for us...

Thanks much for the help!

submitted by /u/amoodie
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If the annulus valve of casing spool is left open after well head pressure test and due to poor cement job well flows through annulus valve. How to control it besides cement squeeze to the annulus ?

It would be a great help if someone can provide explanation over it.

submitted by /u/anjani_oges
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Sempra Energy (Sempra) is an energy-services holding company. The company serves residential, commercial, utility electric generation, industrial, and wholesale customers in North and South America. The report gives you extensive information and pattern investigation of the companys Mergers and Acquisitions (M&As), associations and financings.

Sempra Energy

submitted by /u/jsbkavita
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