Talk:Petroleum reservoir

Wiki Education Foundation-supported course assignment

This article was the subject of a Wiki Education Foundation-supported course assignment, between 23 August 2021 and 7 December 2021. Further details are available on the course page. Student editor(s): Kikoeta. Peer reviewers: NihalVela.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 06:30, 17 January 2022 (UTC)

Oil formation

The long quote by Ray Nurmi, while accurate as an example, might mislead some into thinking that all oil is ~500 million years old. A more general view would be appropriate.Plazak 18:08, 9 August 2007 (UTC)

Agreed. It really should be re-written more encyclopedically, but for now I just removed the first sentence of the quote. Cheers Geologyguy 18:30, 9 August 2007 (UTC)

Hydrocarbon reservoir

The article of this topic is relevant to natural gas too (and often these reservoirs have fractions of oil too). A better title could be Hydrocarbon reservoir. Are there any objections or other discussion? +mt 07:08, 7 January 2008 (UTC)

You have an excellent point that gas should be included. "Petroleum" is regarded in the industry as encompassing both oil and gas. How about Petroleum reservoir? Plazak (talk) 13:05, 7 January 2008 (UTC)

I've also thought that name, but I'm not sure if Petroleum is oil and gas or only crude oil (according to the Wikipedia article, petroleum has hydrocarbon lengths C₅H₁₂ to C₄₂H₈₆, which are all liquid). "Hydrocarbon" is technically more encompassing, since it includes oil and gas phases (or crude oil and natural gas). However, checking into my "Sedimentary Petrology" book (M.E. Tucker), petroleum is oil and gas as you mentioned. I'm not sure what is better: Wikipedia consistency or industry-speak consistency? +mt 19:31, 7 January 2008 (UTC)

We can make it anything we want. It would be easy to modify the Petroleum article to reflect the fact that it has both a popular meaning (crude oil) and a broader industry meaning (oil and gas). I myself would vote for "Petroleum reservoir," because I think that it is the more common term within the industry, but either one would be preferable yo "oil reservoir." Since we can set up redirects to point to a single article, either "Hydrocarbon reservoir" or "Petroleum reservoir" would be good. Plazak (talk) 20:09, 7 January 2008 (UTC)

Alright, we'll go with petroleum reservoir, since it is more popular of the two (according to Google search hits), and uses more understandable terms (i.e., petroleum vs hydrocarbon). +mt 23:19, 7 January 2008 (UTC)

File:Reservoir modeling software screen snapshot of isopach map for 8500ft deep oil reservoir 28ft thick located in the Erath field, Vermilion Parish, Erath, Louisiana.png Nominated for speedy Deletion

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Split Drive Mechanisms section into new article?

I was looking for something on drive mechanisms and eventually arrived here via search after initially going to the Reservoir Engineering page expecting drive to be linked from there. I think the information presented here is a good start and could be expanded into a new article and linked from other relevant articles, such as this one and the reservoir engineering page. What are your views on creating a new article, possibly Drive Mechanism (Petroleum Reservoir)? Acb314 (talk) 13:29, 28 December 2013 (UTC)

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Definition of oil field

The definition of oil field in section Oil field currently says:

An oil field is a land area with an abundance of oil wells extracting petroleum (crude oil) from below ground.

but that doesn't match most usage, which defines it pretty much as a synonym of petroleum reservoir. It's wrong on two counts: it doesn't have to be a land area, and it doesn't have to have any oil wells, operating or not.

In addition, most of that section is Original research, should be cut way back, and needs a lot more references. Mathglot (talk) 23:32, 10 February 2020 (UTC)

Okay, I see what happened. The section was created in this edit by 159.0.134.183 (talk · contribs) in 2018, with three images, and a sentence fragment to start off the section, that reads more like an image caption for the images they added: "A region with an abundance of oil wells extracting petroleum (crude oil) from below ground.". (The IP user made five edits that day, then left Wikipedia.) This text was altered in this edit in June 2019 to read, "A land area with an abundance of oil wells...", which even as a group image caption was inaccurate, since one of the images was of an offshore platform. In August in this edit, it was turned into a complete sentence written like a definition: "An oil field is a land area with an abundance of oil wells extracting petroleum (crude oil) from below ground." I'll try and find some sources for a better definition. Mathglot (talk) 00:11, 11 February 2020 (UTC)

Some definitions:

• "An area consisting of a single reservoir or multiple reservoirs all grouped on, or related to, the same individual geological structural feature and/or stratigraphic condition. The field name refers to the surface area, although at times it may refer to both the surface and the underground productive formation."
• These are from the Oilfield Glossary:
  1. "An accumulation, pool or group of pools of oil in the subsurface. An oil field consists of a reservoir in a shape that will trap hydrocarbons and that is covered by an impermeable or sealing rock. Typically, industry professionals use the term with an implied assumption of economic size."
  2. "The surface area above a subsurface oil accumulation is called an oil field."

Although these two sets of definitions are worded quite differently, they actually are pretty much identical where it counts. I think we can draw a definition (or rather, two) from these two sources, which seem like they are reliable, and highly relevant. Mathglot (talk) 05:56, 11 February 2020 (UTC)

Article Evaluation (October 2021)

Hi all, I have been assigned to this article as a part of my curriculum for an Environmental Science class. I look forward to editing and clarifying a lot of the details in this article. I'm going to go over some of my basic plans before I start, just to give a chance for comments and suggestions.

• Add more about the geology and geography concerning reservoirs, as there is minimal information on geology besides their formation mechanisms and nearly nothing on geography (such as where in the world they form).
• There are multiple sources that are out of date in terms of their links, and potentially information. Some are only kept online through internet archives, which holds a bit of doubt to their legitimacy (why were they taken down in the first place, and why haven't better ones been found?).
• Some of the graphics about traps could use a graphical legend, rather than the text-based one that can be hard to interpret when looking back and forth at the different kinds of traps.
• There are some minimal grammar/formatting issues that are minimal, but enough to want to change or add some explanation for.
• Editing and fleshing out the Oil Field section + adding clarification about how an oil field can be a petroleum reservoir, but a petroleum reservoir doesn't necessarily have to be an oil field.
• Vetting Schlumberger Limited as a credible source, since they are a vast part of the petroleum and gas industry, and it's possible that there may be bias present in their sources (of which they make up 7 out of the 19 for this page).

There will undoubtedly be more that I will do to this article, but in the meantime, I wish you happy editing! Kikoeta (talk) 21:51, 15 October 2021 (UTC)

Heading forward and suggestions

As I come to a close for my editing on this article, I encourage anyone who has any questions or wants to refute something I have put in to leave a comment, as I will be reading them into the foreseeable future. I have some suggestions for things that could be edited or potential ideas that could be implemented if the consensus is that they should.

• The Formation section has an interesting bullet point by the name of "pressure cooking", which I was not focused on due to the issues with the Oil field section. I had noticed this in my initial evaluation, but my priorities were on making the article more coherent and reducing the issues with the previously mentioned section. I encourage someone to challenge this information, or at least expand on what exactly it is supposed to mean.
• It had been brought up by a peer reviewer for my article that it may make more sense to move the Oil field and Gas field sections to after the Formation section, as that could make more sense chronologically speaking. I would like some input on this before editing it myself, so let me know your opinion on that specific change.

I was unable to find any kind of bias in the Schlumberger sources for the article, and when used, there was no bias present. The Unconventional Reservoir section is something that I have pioneered and would appreciate feedback on and expansion of. The Production section is also sparse, and has grounds for removal or integration with a lead sentence into Drive mechanisms.

Happy editing! Kikoeta (talk) 22:37, 23 November 2021 (UTC)

References