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If you mouse over the first pipe segment connected to the well, note the amount in the pipe ~ you should see the number fluctuating up sharply about once per sec, OR holding steady at max.
- If it is mostly near zero, then the pipe is not backed up & the well is working flat out. This indicates a lack of production ~ build some more oil wells.
- If it is full at the well but nearly empty at the refinery AND the well animation is jerky or not continuous, that could indicate a pipe throughput bottleneck due to distance ~ add 1 or more "repeater pumps" spaced evenly along the pipeline to break it into shorter sections, thus increasing the max available throughput per sec.
Regarding long distance piping:
This post on the main forums has a detailed explanation of the fluid mechanics ingame ~ https://forums.factorio.com/viewtopic.php?f=18&t=19851
For small-scale / early game oil processing, you do not need to worry much about natural pressure vs active pumping, as distances / throughput inside the refining area should be small.
The table at the bottom of that post looks scary, but remember that the flow is in per game tick not per second, so just divide your wanted flow /sec by 60 to get flow /tick.
Here are some pipe length vs throughput ratios you may find useful while learning this part of the game (note that UG pipes always count as 2, regardless of spacing between the ends):
- For 500 flow/sec, distance can be a bit over 450 between source & destination. long distance
- For 1000 flow/sec, distance of no more than approx 200 pipe segments. general factory use
- For 1200 flow/sec, distance cannot be further than 16 pipes. high throughput, usually power plants
edit - typo
Then I brought water up to my refinery, so I could change it over to Advanced Oil Processing or whatever which produces a higher ratio of Petroleum output, which is what I need for Plastic Bars, which is what I need for red electric circuit chips, which is what I need for ... everything ...
So now my factory is woking faster, but I still don't get enough red cicuits..
Yeah, this is a good game :)
One thing you made no mention of is underground piping. And what a "pipe segment" is composed of. The wiki page goes on about underground piping counting as two pipes and that increases pressure, or some such:
Am I getting better pressure already because I have a lot of undergrounders in the pipeline, or not?
Neither type will affect "pressure" directly ~ that is derived by the fluid flow algorithm simulating fluid settling evenly throughout connected parts. (Producers are high altitude, consumers are low altitude ~ this simulates the natural "pressure" or flow. See the post I linked earlier for more info there.)
You are likely confusing the increased map tiles covered by using undergroundies vs same tile distance covered with regular pipes ~ as a pair of UG will stretch 11 tiles but a pair of regular only stretch 2 tiles, this means you can cover 5.5 times the tile distance for same level of fluid throughput /sec.
So, for a set tile distance, this means you can achieve a higher flow rate using UG than you could with regular pipes, due to using only 18.18% as many total pipe segments. (Pipe segments not tile distance are what matters for throughput /sec calculations.)
Hope that clears it up for you, do ask if you need further clarification ~ questions are good.
Just a side-note, now that you have advanced oil processing one thing you should definitely do (if you haven't already) is make at least 2 chem plants to crack heavy oil into light oil and crack light oil into gas. If heavy or light oil has nowhere to go, it will stop the refinery from operating (and gas is almost always the thing you need the most of)
Yes, that's what I meant I had done when I said "Then I brought water up to my refinery, so I could change it over to Advanced Oil Processing or whatever which produces a higher ratio of Petroleum output". Petroleum Gas. Amazing, I actually managed one thing on my own!
@KoS
Yes I know, and so far I have kept away from trains! I have more than enough yet to figure :)
What about this sentence:
I think @KillCreek2 tried to explain this to me, but all I got was "18%". What does the above mean? Please think Factorio for Dummies in your answer....
Because pressure decreases over distance, it's highly useful to make that distance as short as possible. Underground pipes, though they can stretch 10 tiles, only count as 2 tiles. So effectively you are going 1/5th the distance in terms of fluid distance traveled. (I.e. your use of undergrounds was ideal for the situation).
Thanks, I will conisder this...
OK, I've thought about it.
So it was fortuitous I built it mostly from undergrounders then. Thta's why I'm getting away without pumps probably.
BTW, it's a silly rule, isn't it? The pipes still stretch underground, so they should count normal against the pressure, can't be too difficult for Fac to do the math?
KoS said pretty much the same thing I had. (Just with the wrong numbers ~ it is 11 tiles total not 10, so not 1/5th (20%) but actually 1/5.5th (18.18%).)
I was using the numbers quoted. (Quoted, evidently, before you corrected your typo :P )
I'd personally recommend, before you pipe over a long distance to store the fluid on a single tank first, and then using the one pump to take it out of the tank and into your long distance pipes. That way you make sure your baseline "fluid pressure" is as high as it can be. This also has the nice added bonus that when you decide to set up trains, you can just have the train stop sit next to this oil tank.