Horizontal Directional Drilling / Boring (HDD): How the Drill Bit is Steered 

What they don't tell you he is the component right behind the bit is called a housing. The housing has a bend in it 2 degrees or so and houses what is called a saund which sends a signal to the surface. The signals picked up by the locator which shows you a clock if you will 12 o clock being up three o clock being left 9 o clock being right and six o clock of being down. The bit is connected to an inner rod which spins all the time. The housing is connected to the outer rod which is turned to the needed Direction. The cuttings or spoils are removed by pumping mud through the pipe and pushed out around the outside of the boring pipe which is called returns. That's about as simple of an explanation as you can get.

This the third video I've watched trying to find out how the drill bit is steered. Thank you for explaining.

The visual is excellent and gives clarity to the verbal description.

Thank YOU! I have looked at many HDD videos and have never found an explanation of how they are steered..... And I think that is what most lay people want to understand....

Finally got it! Well shown and explained and easy to understand! So it is simply not just a matter of boring, but depending of the type of formation use high pressure flow of the fluid in softer formations and in harder formation make use of the bend and also use the high pressure fluid and drill together. Very nice, straightforward and informative. 👌👌👍😉 Look forward to see how the last part of the drill looks above ground. Thanks a lot you guys

if you're someone that doesn't know much about DD this vodeo won't really help you

That's amazing, I didn't know such technology existed. Man.

Great video, reminded me of all the old military training films we had to watch!

This movie is the best about horizontal directional drilling technology

This is awesome, especially when you start at about 5k ft., or deeper, and drill a mile in either direction, before descending vertical again.

So THAT'S how it's done. Awesome!

One of the directional drill operators here mentioned that this may be the future of sulfide ore mining - low impact, backfilled with neutralizing cement powder and waste rock, very little mess. We've got the gold here, but mining must advance with the times.

This gave me the basic principals! Thanks!

Such an interesting technology.

Happening on my street right now to install fiber backbone. Wondered how it worked and this explained it!

Awesome video

Most of the questions I see are about how the cut up chunks, called cuttings in the drilling world, are brought back to surface. The short answer is that the special drilling fluid that is pushed out the end of the bit in the video has a high enough viscosity to pick up all of the particles and carry them back to surface on the outside of the drill pipe.

nice, one thing iv wonders about for years solved

The Horizontal Directional Drill knows where it is at all times. It knows this because it knows where it isn't. By subtracting where it is from where it isn't, or where it isn't from where it is (whichever is greater), it obtains a difference, or deviation. The guidance subsystem uses deviations to generate corrective commands to drive the Horizontal Directional Drill from a position where it is to a position where it isn't, and arriving at a position where it wasn't, it now is. Consequently, the position where it is, is now the position that it wasn't, and it follows that the position that it was, is now the position that it isn't. In the event that the position that it is in is not the position that it wasn't, the system has acquired a variation, the variation being the difference between where the Horizontal Directional Drill is, and where it wasn't. If variation is considered to be a significant factor, it too may be corrected by the GEA. However, the Horizontal Directional Drill must also know where it was. The Horizontal Directional Drill guidance computer scenario works as follows. Because a variation has modified some of the information the Horizontal Directional Drill has obtained, it is not sure just where it is. However, it is sure where it isn't, within reason, and it knows where it was. It now subtracts where it should be from where it wasn't, or vice-versa, and by differentiating this from the algebraic sum of where it shouldn't be, and where it was, it is able to obtain the deviation and its variation, which is called error.

Bill Burdick is one of the number one people in the USA for Directional Drilling he owns DDC directional drilling company he's a legend in the industry

10/10 incredible video🥶🥶🥶🥶🥶🥶

We, HC Construction and ARB, made the only subterranean river crossing on the Amazon River. 24" TransPeru Pipeline. Near Saramiriza Peru, Rio Maranon. 1996

The drill system is based off of a clock, the driller and locater have screens in which they watch the clock, the percentage, projected depth and the direction they are drilling. 12 o clock is straight up, 6 o clock is down, 3 o clock left and 9 o clock right and so on.

So Wintercreeks got a great backyard.. Reasonable rates, great personnel, as well as a couple triples that easily handle a five leg horizontal from 6500' up or deeper.. Meisner, hunton, Bromide second... Arbuckle... For us poor boys what a pass time. Pursuing our adolescent pipe dreams.. Amen

Neat, now I know!

Pulling had to be temporarily stopped due to rig breakdown. Exit side( pipe side) is bank of pond and now it is raining heavily at the site. Water level increased up to hole level. Since rig side level is lower than pipe side level, water is flowing through hole from pond to rig side.Can you suggest any technique to temporarily plug the hole to prevent water seepage from pipe side to rig side.

Drop more videos please it's very helphul

Narrator sounds like Wade Goodwyn

its like the movie Tremors :P

When you drill and case horizontally, how does the drill pipe and casing actually curve to achieve the 90 degree angle??

What happens to the drilling spoils during the backream-pipe pulling stage? Are the spoils expelled from around the pipe opposite the puller-drill rig or do the spoils go up the pilot hole?

This is all fine and well, bit it doesn’t appear to explain the technique for steering/plotting the direction in which the boring head is guided. Therein would be the skill underpinning the craft of the trade. Thanks

This is interesting

Please how can i get the operating manual for p800 ton rig. Trying to learn how to steer and operate the rig.

Now show us how conduit, cables, pipes, etc. are pushed through the boring done by this machine.

You're drinking my milkshake again, aren't you?

Boring, haha get it? Whatever. Pretty cool though, had to go to about 20 sites before someone actually explained how it works, most articles and animations said "they steer where they want to go" duh.

I get this, but what about the pipe behind the bit? How do you steer a solid piece of pipe around corners?

Character In the video It's great, I like it a lot $$

So can this drill through limestone? For example, could this technology bring water lines (community water) to mountainous areas that rely on wells that are not producing anymore?

I'd be willing to bet it's a bit more complicated than what this video shows. A simplified version, yes?

informative

What happens to the spoil ?

I was curious how they steered these drills after I watched the Chile mine rescue.

Where does all the loose soil go ?

There's a video here on RU-vid showing a precisely steered drill bit that broke through the surface and is blowing mud all over someone else's property.

" I'm drinking your milkshake" !!!!!

Ohhh, so that's how it works! So... how does it work?

How does the drill pipe bend through the curve and then come out straight?

Yes it would be much faster. But required some testing and simulations.

and and the cartoonists forgot to add in how the drilled soil left the bored holes.

For me, the explanation of how the steering works in hard material wasn't clear.

How do you get hdpe line tree hole

Hi, am Hidayat ullah khan, 6miles depth of time many types of molten metal but after that what happen, bit broken, or work off, or tired to return? How many layers you touch each layer any air gaps or volume is seen, i guess layers no gap, thanks for video

More than three type of drilling bit... But I know total four bit... Please give me one more name of bit????

What rotates the bit Downhole

How do you get hdpe pipe threw

Type of fluid only water. Or any solution another

Still, it doesn't make clear how the actual drill bit assembly is being redirected - "go left, go right ..up. down". Is there, for example, a hydraulic pressure coming along the shaft from the operator to make the bit 'lean' in a required direction? How does this work exactly - none of the explanations online seem to go into this.

What is cost ???? Pls tell

And this is how cartels bring the pounds of cocaine to the US 🤣🤣🤣

Would be better with a PDC bit

the simpsons did it first

Wheres the debris go?

And you can almost guarantee they'll hit every possible utility along the way

Can anyone give me the drilling tools supplier details

it doesn't explain one fk'n bit how the bit is steered... just some bullsht

Use this for geothermal power plant

This helps, looking to get the oil under my neighbors property without paying them for it.

S - its done by steering rod then it talks with the software..what don't you understand are you from Morocco

I drink your milkshake

This technique is what started the Gulf war lol.

Is Mike Rowe speaking?

「コンテンツを調整する必要があります」、

but how those hard pipe bend

I've wanting to see how they do it ! Was this clear? NO, Nope, Not clear at all. I will keep Searching.

This was how the Kwaitis stole oil from the Iraqis which caused Saddam Hussein to invade Kwait.

Mechanism

The dyraulics

Lovely But anyone here who can help me with either a video or manufacturer of a one metre diameter type of drill that can work on drilling out iron ores

This video should not be regarded as definitive HDD explanation... I drill ERD HDD Wells, and it is absolutely nothing like this... In comparison, this is so simple (slant rig etc) it’s embarrassing to call it HDD!!!

Pray to Rayan in morocco

Sorry! For me. I didn't get it!

kitne rupees 1meter

HDD machine

Turban?

อื่อ

I KNEW IT! That's exactly how I thought it worked. I should be an inventor. Oh wait. I am lol

Hello We are water well drilling rig machines producing it will be our proud to cooperate with you if you are interesting thanks

И чё?

Fracking has polluted the ground water.

This is boring

Not informative at all.

Literally told me nothing about how to guide the drill