Oil Generation: Difference between revisions
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There are two basic ways [[Oil]] generates in GT:NH; as spouts visible from the surface, and as an Underground Fluid oil field below Bedrock. Spouts and fields are placed during chunk generation. Surface oil can be collected by hand or with single-block Pumps, while underground fluids require a [[Drilling Rig]] to extract. Oil is used as a fuel and for refining into various byproducts, including [[Polyethylene Processing]].
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== Underground Fluids ==
Underground Fluids require multi-block [[Oil/Gas/Fluid Drilling
* Natural Gas
* Light Oil
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* Heavy Oil
Use the [[Seismic Prospector]] to locate chunks with large amounts of oil. The spawning is done in an 8x8 chunk grid with no offset. For example, chunks 15,15; 15,16; 16,15; 16,16 are all in different 8x8 oil spawns - a smart player can use this to their advantage when prospecting. Within the 8x8 chunks, the oil can be +- 25% the designated value reported. Any oil amount above ~200 L/t is a good place to begin drilling. The algorithm is heavily skewed to generate lower quantities of oil, but theoretically the max is ~781 L/t. Higher tier [[Drilling Rig]]s will harvest bigger areas, gathering oil from multiple chunks.
{|{{STDT|c_17}}
! Image !! Description
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|[[File:Oil-1.jpg|200px|alt=Three by three grid labelled Oil Field 1 to 9, each square subdivided into 8 by 8 chunks. The middle square Oil Field 5, has one red chunk marked "P".|Oil field grid.]]|| Every small square is one chunk (16x16 blocks). Seismic Prospector scans 3x3 (nine total) fields of 8x8 chunks, starting with the field it's in and the eight surrounding. Every chunk in a field has the same fluid, but amounts will vary. "P" shows where the prospector was placed in the field - exact placement doesn't matter, every chunk in Oil Field 5 would work the same.
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|[[File:oil generation.png|200px|alt=]]||Histogram of 1250 oil area spawning values. The 8x8 chunks within would be +-25% of these values. Most chunks will be 50L or less, it's rare to find ones that are over 100L.
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=== Natural Gas ===
Converts to Refinery Gas with H in a Chemical Reactor.
{| {{STDT|c_17 align-center}}
! Distilliation Results !! Butane !! Propanel !! Ethane !! Methane !! Helium
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! 1000L Natural Gas
| 60L || 70L || 100L || 750L || 20L
|-
|}
=== Oil ===
Oil is considered an important resource since it can be used to produce a number of fuels. In addition to that many distillates are commonly used for polyethylene, TNT, rubber and much more.
* Oil is commonly used as it provides a good distribution of Light Fuel and Heavy Fuel, as well as Naphta. Oil sprouts have this type.
* Medium Oil (Raw Oil) is half as efficient as standard oil with the same distribution of distillates.
* Light Oil produces a high portion of Sulfuric Gas which makes this fluid less useful in most cases. Can be useful in large quantities for Refinery Gas.
* Heavy Oil distills to a lot of Sulfuric Heavy Fuel. Perfect for getting Heavy Fuel for your Diesel mixing needs.
All Oils also have an additional recipe in the Distillation Tower, producing Naphthenic Acid. Check NEI for specifics.
{| {{STDT|sortable c_17 align-center}}
! Distilliation Results !! Sulfuric Heavy Fuel !! Sulfuric Light Fuel !! Sulfuric Naptha !! Sulfuric Gas
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! 50L Oil
| 15L || 50L || 20L || 60L
|-
! 100L Raw Oil
| 15L || 50L || 20L || 60L
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! 150L Light Oil
| 10L || 20L || 30L || 240L
|-
! 100L Heavy Oil
| 250L || 45L || 15L || 60L
|}
=== Drilling Rig ===
[[File:Oil-2.jpg|thumb|right|200px|alt=|Drilling Rig harvesting range]][[Drilling Rig]]s are used to extract fluids from below the bedrock, including Oil. They come in five tiers, four which harvest from ever increasing ranges and the Infinite Gas/Oil/Fluid Drilling Rig which doesn't deplete oil fields. Oil Drilling Rigs always work on a fixed chunk grid inside their oil field. Infinite Oil is also possible from the [[Space Elevator]].
[[Category:Worldgen]]
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