Re: well drilling and underground voids

Posted by The tractor vet on November 19, 2019 at 10:27:36 from (104.179.81.68):

In Reply to: well drilling and underground voids posted by glennster on November 18, 2019 at 16:27:22:

Yep there are along with under ground rivers as we have the latter running under me . I have been on on oil and gas drilling locations when they have found one and lost circulation . One such deal i was involved in i was called to build the drilling location dig the mud pits and the blow pit , then help with getting the rig and all support in along with DRAGGIN in the water trucks as it was a plum nasty location . I had just finished up the last of the pits when the tool pusher came back and said that he had the rig setting out on the road and needed me to start getting stuff in and wanted the rig in first then the sub and the center tub then the air units as he was going to start on air first then switch to mud once he had surface set as that would give me time to get the water truck back and get the mud pit filled . back then they were poking holes in the ground sometime in as little as four days from start to finish . While i was getting the rest of the stuff pulled back in they had the rig up and were starting to drill before the first water truck arrived they had close to 90 feet on surface pipe in the ground when all of a sudden just after they added a forty foot piece of 13 5/8th pipe and they had started to drill again that pipe just started dropping and they were trying to stop it from going down on it's own . The water trucks started arriving and i got busy dragging them back in while the rig hands were fighting the surface pipe and they would ad another forty foot piece and it kept on sinking and not setting . they usually had four of five joints of 13 5/8ths with them as USUALLY three joints was more then enough to set in a solid rock formation to be cemented into and they like to have a couple feet of surface sticking up out of the ground . They ran out of surface pipe and had to call for more . On that hole they put in over five hundred feet of surface to get it set . I was called onto another drilling location where the rig drilling on air blew out a cavity of sand under the rig and the whole rig started to tip over before they could pull there string and get the rig down . They held the rig upright with the winch lines off two D 6 D Cats and then tried to pull the rig out and she started to go down . The two 6's could not give enough tuggem pull power to move it and they called for help and myself and another guy we took 2 850 Deeres down and before we got that rig out there were two more D 7 F's added and one more D6 D to the mix and i can not even come close to how many feet of winch line was pulled into along with one brand new R 700 Mack . Big Butch and i were hooked to the ft. of that Mack with a double line set to two 70000 lb winches and we pulled that brand new Dickerson set up Mack in two pieces at the firewall. Built anothr location over top of the underground river that flows under me and when the rig broke into it they had water shooting over top of the darrick and had to case off thru it . I still chuckle about that one . The tool pusher Wally told me that he wanted my water truck there first thing in the morning to fill the pits as he was going to run surface on air and have it set before dark and cemented and be ready to start on mud by daylite he had enough water with him to get started but was going to need a lot more water due to the depth of this hole . Tried to tell him but he said on no this is not going to be wet hole look how high up we are setting she will be dry . As i loaded the dozer up and headed for the barn about 27 miles up the road . When i got to the barn i put the feed bag on the dozer and the old Brockway and had just hung up the hoses when the shop phone went off . I ran in and answered it and it was Walley screaming like a mad man yelling get that tractor back down here now i have water shootin fifty feet over top the rig and the big blow pit you built me is filling fast . So the phone is hung up back in the brockway and back down to the location . as i pulled up four rig hands were there to help me get unloaded and back the 1200 feet to the location and start digging a second pit to contain the water . 15 blade widths wide 15 blade withs long and just as deep as i could go and just as fast as i could make it move dirt . As i pushed the last blade up and out the water broke of the dam of the first pit and started filling the second one . On that location it was the first time i had ever hauled fresh water off a location .Two trucks running non stop for two days hauling a 190 Bbl.s between the two each trip .

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