Replies to This Discussion

Permalink Reply by The_Baron on December 4, 2008 at 5:11

Did you hear that sucking sound???

Thats a million or more down the drain. Broken casing..OUCH...

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Permalink Reply by Two Dogs, Pirate on December 4, 2008 at 5:21

I heard it had 16,000 lbs of pressure.

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Permalink Reply by ALongview on December 4, 2008 at 16:19

Two Dogs,
What exactly does this mean as far as production? Is it good to have such high pressure?

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Permalink Reply by BirdDawg, plain ole' idiot on December 4, 2008 at 16:43

It usually ain't bad. Unless it split the casing.

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Permalink Reply by Two Dogs, Pirate on December 5, 2008 at 3:45

The Murray well had a coil tubing problem, I heard they are trying to blame the Olympia problems on the frac job.

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Permalink Reply by Two Dogs, Pirate on December 5, 2008 at 7:59

If it is nothing, why do they have units formed all around the Olympia and Murray wells? The pressure on these two wells is greater than others that I have looked at in the HS. SWEPI has plenty of money and can do what they want. When they brought the rig on location for the Olympia they let it sit for 30 days before turning the bit.

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Permalink Reply by Skip Peel - Mineral Consultant on December 5, 2008 at 8:03

Do not discount SWEPI. Although I am sure they would appreciate it. They are the only HS player that has cash to invest. That cash will provide significant opportunities for SWEPI/Encana. I would not be surprised if the pair end up with the largest leasehold in the play.

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Permalink Reply by CR on December 4, 2008 at 5:22

Here's a couple of sites that talk about CHKs wells and Questar's in Red River and Bienville P.

http://investor.plainsxp.com/phoenix.zhtml?c=132091&p=irol-news...

http://www.questar.com/news/2008_news/08-20%202008%20Haynesville%20...

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Permalink Reply by Bacon on December 10, 2008 at 3:39

Question for the drilling experts. The Questar Waerstad #3 is on a 22/64 choke, 16.4mmcd & 6400#. Compared to the Petrohawk Sample 9 #1 that is 28.8mmcfd on a 30/64 choke with 7100#. Does the choke mainly control the output of the well? Does it effect pressure as well?

Is there a limit to the capacity of the equipment that's being used? In another thread someone mentioned that there was equipment being fabricated to handle output of 40mmcfd. Thanks.

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Permalink Reply by Two Dogs, Pirate on December 10, 2008 at 3:58

I am not a PE nor do I work on the drilling rigs. My post on the 40 million per day equipment was refering to dehydration units. I was told that dehy units had to be calibrated close to the well output, not a lot over or under what the well would do. I don't know if this is true. Blow out preventers have limits and have to be sized accordingly. If you notice on Sonris, the well being drilled are pressure tested to see if the casing will handle the pressure. Most of the HS wells that I have looked at are tested to 10,000 pounds.

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Permalink Reply by Les Bamburg on December 10, 2008 at 6:27

Two Dogs, you are correct about dehydration units having a maximum capacity. In addition, the production separator, flow meters and surface piping will have a maximum capacity.

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Permalink Reply by Les Bamburg on December 10, 2008 at 6:23

Bacon, the choke is controlling flow rate (ie velocity). Because the flowing pressure is upstream of the choke, pressure loss though the formation, fractures and tubing are the main factors impacting pressure for the initial well flow.

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