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re: Sad news --- Oklahoma rig explosion leaves 5 missing

Posted on 1/22/18 at 9:31 pm to
Posted by redstick13
Lower Saxony
Member since Feb 2007
38660 posts
Posted on 1/22/18 at 9:31 pm to
Driller wasn't monitoring his displacement on the trip out then. Also they should have opened the choke line to check for flow before opening the blinds.
Posted by redstick13
Lower Saxony
Member since Feb 2007
38660 posts
Posted on 1/22/18 at 9:36 pm to
Not shallow. Kick happened at around 9000' TVD. It was driller negligence. Kick happened after TD on the trip out. They weren't monitoring their displacement closely each time.

It's almost always during a trip that bad things happen. Usually on a trip out.
This post was edited on 1/22/18 at 9:37 pm
Posted by Str8volfan
Member since Jan 2011
593 posts
Posted on 1/22/18 at 9:38 pm to
a friend of mine that is in the oil business said that somebody screwed up bad for this to happen. He said whatever happened (I didnt quite understand what he was talking about)was unheard of these days.
Posted by Sao
East Texas Piney Woods
Member since Jun 2009
66012 posts
Posted on 1/22/18 at 9:39 pm to
LINK

FB link and pics.

About as real time as it comes.
Posted by redstick13
Lower Saxony
Member since Feb 2007
38660 posts
Posted on 1/22/18 at 9:39 pm to
quote:


With the technology today letting a kick get all the way to surface is quite hard without some negligence. At least in the DW arena.



Unless you're air or foam drilling. You don't know you're taking a kick until the flare goes off.
Posted by TigersHuskers
Nebraska
Member since Oct 2014
11310 posts
Posted on 1/22/18 at 9:41 pm to
What a douchebag comment
Posted by redstick13
Lower Saxony
Member since Feb 2007
38660 posts
Posted on 1/22/18 at 9:41 pm to
Companies are cutting corners trying to run lean operations to make a profit. It won't be the last time it happens over the next year or more.
Posted by GREENHEAD22
Member since Nov 2009
19651 posts
Posted on 1/22/18 at 9:41 pm to
With all the new tech on the rigs its a lot harder for it to happen but not impossible. Just like DW horizon it almost always boils down to people not paying enough attention.
Posted by colorchangintiger
Dan Carlin
Member since Nov 2005
30979 posts
Posted on 1/22/18 at 9:44 pm to
Posted by Langland
Trumplandia
Member since Apr 2014
15382 posts
Posted on 1/22/18 at 9:46 pm to
quote:

I just heard all five have been found and all are okay. No deaths.


Posted by TBoy
Kalamazoo
Member since Dec 2007
23934 posts
Posted on 1/22/18 at 9:48 pm to
That pipe rack looked almost full. They must have been close to being out of the hole. Looks terrible. There’s a lot of good folks in that area. Hate to see this.
Posted by GREENHEAD22
Member since Nov 2009
19651 posts
Posted on 1/22/18 at 9:49 pm to
Ahh okay, I have no experience with that, is that commonly used in shale plays?
Posted by redstick13
Lower Saxony
Member since Feb 2007
38660 posts
Posted on 1/22/18 at 9:50 pm to
They were out the hole getting ready to RIH according to the reports. Gas was sitting below the blinds when they opened them.
This post was edited on 1/22/18 at 10:22 pm
Posted by redstick13
Lower Saxony
Member since Feb 2007
38660 posts
Posted on 1/22/18 at 9:53 pm to
Not that I know of. I've drilled underbalanced in Canada, Utah and Colorado but all on conventional plays. In Canada it was because they didn't want to kill the well for production purposes. Colorado and Utah it was to reduce the hydrostatic head due to mud losses. I hated it. fricking hell you could drill as fast as the blocks would fall to the floor.
Posted by GulfCoastPoke
Port of Indecision
Member since Feb 2011
1087 posts
Posted on 1/22/18 at 9:54 pm to
I’m not saying that automation isn’t occurring (although not in the space most would assume, and not what Big blue is saying) I was questioning the statement made about crew size reduction by automation on a typical land Rig.
Posted by xrockfordf150x
Walker, LA
Member since Sep 2008
3846 posts
Posted on 1/22/18 at 9:54 pm to
When tripping pipe out of the hole the mud engineer, company man, pit hand and driller should be watching the trip tanks. The trip tanks are connected to the hole and and should lose mud to the hole equal to the volume of pipe pulled from the hole. It’s very basic math and the trip tanks have to be constantly filled to keep up with mud going in as pipe is coming out. To miss this big of a kick is completely inexcusable. They would have had to completely ignore the trip tanks which is hard to do as rigs trip pipe all the time.
Posted by redstick13
Lower Saxony
Member since Feb 2007
38660 posts
Posted on 1/22/18 at 9:58 pm to
Not all land operations use their trip tanks. They will just circulate on the backside through the fill up line on the active pits. Especially in cold weather. Also land operations don't usually have a dedicated mud engineer onsite. One mud engineer will cover several rigs.
This post was edited on 1/22/18 at 10:11 pm
Posted by GREENHEAD22
Member since Nov 2009
19651 posts
Posted on 1/22/18 at 10:08 pm to
Yea I am aware of this, I may have been around a rig or two.

Hence my post about negligence.
Posted by GREENHEAD22
Member since Nov 2009
19651 posts
Posted on 1/22/18 at 10:09 pm to


Jeesum, land couldn't be more of the wild west compared to DW.
Posted by xrockfordf150x
Walker, LA
Member since Sep 2008
3846 posts
Posted on 1/22/18 at 10:11 pm to
Mud engineers may or may not be on location but mud volume while tripping is a major well control parameter that multiple hands should be watching. Regardless of how the hole is filled, backside or trip tanks, volume in has to equal volume out.
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