we in the energy industry have a new information source an actual real-time look at what is happening downhole with instrumentation utilizing a wide-angle camera placed in front of a high intensity light source a dynamic real-time visually intuitive basis for making confident decisions we started this development thinking that we just had the world’s greatest

efficient tool but from the first time and watch the gate valve open like this we started to find that we could see more than we had expected but we began by helping save the rig time so first of all I’ll show a few fishing examples for instance in this case we’ve tagged the fish with the drill pipe circulate around water to displace the mud and ran video down inside the drill pipe

the operator was now able to see the tubing fish was deformed and skewed against the high side of the wellbore this allows the fish to be immediately retrieved with fishing tool selected based on the video here we see a few preparations and another tubing fish this is supposedly a chemical cut but I have my doubts here we have some sort of wireline tool fish stuck in stuck out of the same there in the debris edit that the depth of casing string is damaged and cracked open knowing the size shape

and orientation of the fish gives immediate insight into a quick solution here we have the top of a large down whole cavern and down in the cavern we find drill pipe which had been inadvertently dropped into it Cameron’s about 80 feet wide and tall here we can see the even the paint stripes indicating the condition of the drill pipe and here is a tool joint.

kind of a rare view of drill pipe downhole from the outside and sideways some fishing jobs are just harder than others and they went on down to see what the bottom of the cavern looked like as well this is the bottom however fishing jobs let us discover that you can see down at the bottom of many all wells so next I’ll show a few production logging examples for instance this well is only seven percent water cut at the surface and we’ve gone through thousands and thousands of feet of

nothing but Blackness we can’t see through oil but when we get close to the bottom of the tubing this is the tailpipe of the packer bore the jewelry that our nipples etc we find the continuous component of the mixture is water and we can see we break out into the 9 and five eighths casing there when a case in collar most of the volumetric capacity is water and since we are centralized in the lower portion of the wellbore we can see what is going on on there was lightweight oil here is normal black oil these holes are actually not perforations there the hydraulic setting ports of a hydraulic setting packer they’re not supposed to do that they’re leaking fortunately they’re leaking oil but they are leaking course that’s not our packer I wouldn’t be shown it here we have a still picture

notice what happens when you add full motion video to the image you can see the flow information you can tell from the bubble movement that these three holes are producing a lot of water also enlarged holes are typical of high flow rate water entry here we already blow all the old and gas production and we’re looking at the portion of the oil-producing water

apparently the top perforation here is perfect on the high side of the holes been producing sand and water fast enough to eat out this large gaping hole in the casing here we are also below the oil and gas production notice that some of the perforations are making the water swirl in a clockwise direction and two inches further down the perforation be swirling the water in a counterclockwise direction this is due to the difference in the perforation tunnels made when the gun was laying on the bottom of the hole and this swirling can really confuse conventional spinner type flow meters

in fact the normal logs did not pick this Up this is what gasps entry into a water environment looks like it’s either a perforation or casing leak next we have a normal production video log you can tell the difference between the gas entering the oil entry because the gas bubbles are more highly reflective and they move faster through the water than the old bubbles because the density that this intensity differences at this point this well as has been shut in and is equalizing we typically make the first pass in the well with the well shut in or in very low flow rates so that we can see each and every perforation and what it is producing then we will open up the world to half or even full flow rates and make another pass to see the higher flow rates there’s some of the oil in the bottom of that same well next is that same well a few few minutes later as they’ve brought it online

and here’s that same top perforation producing gas the hydrocarbon flow is filling up about one-third of the volumetric capacity the borehole here but we can still see what’s going on down here is a good view of all Production this is a fairly prolific well we found that almost all wells the only gas is on the high side of the hole there is enough deviation and almost all wells to keep it out of our way we do have color Cameron’s now on our units and here’s a perforation in a gas wellspring in wet gas their engineering trade-offs and using color so we usually use black and wine this customers while kept loading up with water and dying so we used on home video to find the five specific preparations that were producing water and then he found a neat use that information to set straddle packers and squeeze off the water

here we have a sand control screen somewhat corroded but that’s a San control screen with gas bubbling up like an aquarium this will is inclined about 45 or 50 degrees you can tell by the path of the bubbles and a few feet below that we have the oil and condensate bubbling in this is lightweight all such as found in some parts of the world and that is reason it’s not black and blow the oil is mostly water and here’s a perfect screen sand control screen is what it looks like before it’s crowded this is a normal production logging run know the depth of each perforation we’re-identifying the fluid being produced at each step here’s a perforation producing oil there’s a perforation producing much not much of anything there’s a perforation producing both oil and gas you can see the white bubbles enter mixed with the black bubbles from that perforation usually we have either oil production or gas production but that perforation had both we used to think that because of emulsions and

dispersions we wouldn’t be able to see down home but we found that that’s not the case here we have a they’re just opening up the well and you can see the all coming in that big hole this is calcium carbonate scaled-up casing another perforation here producing oil and water you can tell by the way it shoots out the all bubbles there

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