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What a great question on alkaid2///// Never even thought about that. They could have Fracced 5 zones and flowed them. As you say that would have shown the porosity and frac sand was wrong. Let me think about this one for a while on the pros and cons of your suggestion. I like a challenge.
The shorters are on the Exodus. Older wiser I love your stuff. But I may be one of the very few who get it!! I try to keep it simple after years of teaching the stuff, Analogies are good for people that do not understand. How many got their beer tins stuck in the pint glass last night??? LOL Let us all hope this is the turn around. I am confident they can do this. This is GB and not Texas.
That was a vertical well and drill pipe. This is horizonal and coil. 2 different things completely. Cement is cement and sand is sand. Take their time and move the sand up the hole. Through a choke and keep the pressure stable. Definitely doable. Time. They are on the gravel pad so have time.
The smaller the coil the better. A 1 inch coil would be good, I do not know the tubing width or the coil OD. Depends on the coil available in Alaska. The more velocity thy can get on the outside of the coil the more chance they can clean up the sand without affecting the bottom hole pressure when pumping. Just for fun get an empty pint glass and put a can of Tennents in it and that is the room they are playing with. Approx. By the way I do not have an inch button on a Turkish keyboard!!! Or a dollar or a pound. LOL
The ECD Equivalent circulating density in the horizontal section is the key. As you say they have to balance this going into the tubing as that will cause a back pressure and increase the ECD. I do not think that brine or water has the viscosity to lift the proppant so light mud??? I wish I knew more but I have only my thoughts to what they are doing.
They have a few options but all tricky hence the time taken and will take. Hope all is done underbalance and safely with pressure held on the well. Or they balance the well and maintain ECD only. Like managed pressured drilling. Good thing is they have continuous coil so do not have to make connections like drill pipe to maintain pressure.
Explained well. But the completion and tubing hanger will go to surface. The tree goes on top of the tubing hager. The ID of the tubing and the OD of the coil are all that matters. The casing is irrelevant here. Still tight tolerances.
Mis leading there. Forgot I was retired!!! Angola 30 years ago. I asked the question with Chevron why are you running small completion tubing? In the North Sea Ninian field they were running 4/ 5 inch tubing. Angola was run by Texans and Luisianas. The north sea was operated in a different way. They looked at the rest and saw what they were doing. Then Schumberger came out with a profile computer programme to say the optimum tubing for a well depending on all the data. As in 3 inch 4 inch etc. The Texans are going way back and sticking with this old is good. That was just for you Mr Hobbs in case you think What I think you are thinking!!!!???
Ok. Try and keep it simple. If you have a glass of water that is 2inch across. Put something in it that is 1 inch across. Then multiply that by 10000 feet and see how much problems circulating from the bottom to the top. Remember the 1 inch is not always central in a deviated well.
Sand screens are too late. End of that conversation. Gravel pack etc too late..
Just let them clean up. Basically like drilling the well again with Ct in tubing. The well is cased and perforated. The sand will be lying on the bottom of the horizontal for 5300 feet and building up at the elbow. Without killing the well they are trying to move sand with Maybe some mud for viscosity, Everyone calm down. My old problem was completion size from Angola to USA, there was this mind set of 2 7.8 and I think this is showing here.. Chevron 20 years ago listened to me and every completion after was minimum 3,5 and ended up at 5.
I think they have 2 , 7/ 8 tubing for completion. Typical Texan **** in my opinion. North sea was minimum 3,5. So the inside diameter on the tubing is basically 2 inch. The coil will be 1 inch outside diameter . The friction losses either reverse circulating or normally are large. If they are producing gas means they know all the **** written above. Not easy to do but very ACHEIVABLE
If the flare is correct as they clean up the well the separator will have to be working and gas will be coming up the wellbore. Still good news but due to the annular velocity in small bore tubing could take a while. All good. Patience is key.
As said before I have met Scott. I have also fallen out with him. He is a very clever loon!!! Some people will get that including him. To denigrate a person like that is beyond most people. Money talks and I hope he takes all concerned to FCA and court. If the WAGS can do it why cant the FCA? Useless bunch of ******s. Now in charge of BOE and 6 months behind the curve from the beginning. QE as well.
I am right in the mood for the shorters.. Hope you are buying now. Obviously inflicting pain is your objective,
Read the RNS for a while and watch the videos. Read what Telemachus says.
For you shorters is a travel path. You wish companies to fall what a sad ****ing life.