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__NOTOC__ <!-- TOP LEFT --> <!--  FEATURED CONTENT  -->
{{#seo:
|title=PetroWiki – an E&P Industry wiki – Oil&Gas
|keywords=these,are,your,keywords
|description=PetroWiki is a comprehensive guide for all things E&P created by the Society of Petroleum Engineers and seeded from the seven volume Petroleum Engineering Handbook(PEH).  This wiki allows SPE’s membership to update and expand E&P content from the published handbook.
}}
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__NOTOC__ __NOEDITSECTION__
<div style="padding:6px 10px 4px 10px; margin-top:0.5em;margin-bottom:25px; border:2px solid #c8ccd1;box-shadow: 0 0 4.5px rgba( 0, 0, 0, 0.15 );background-color:#fafafa;text-align: center"><div><span style="font-size:200%;font-family:arial;">Welcome to {{color|#0046AD|'''''Petro'''Wik''}}{{color|#008000|''i''}}</span>
</div><span>Wiki, powered by SPE membership with all things related to the petroleum industry.</span>
<div id="numberofpages">[[Special:AllPages|{{NUMBEROFPAGES}}]] pages in English</div>
</div>


{| border="0" cellspacing="1" cellpadding="5" style="width: 100%;"
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<span style="font-family: Arial;font-size:20px;">Featured article</span>
| style="text-align: center; width: 266px;" | <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="color:#0066cc;">'''Featured topic page'''</span></div>
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| style="width: 259px; text-align: center;" | <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="color: rgb(0, 102, 204); font-family: sans-serif, arial, verdana, 'trebuchet ms'; font-weight: bold; line-height: 16.6399993896484px; text-align: center; background-color: rgb(238, 238, 238);">New topic pages</span></div>
{{Featured article}}</div>
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'''[http://petrowiki.org/Acoustic_velocity_dispersion_and_attenuation Acoustic&nbsp;velocity&nbsp;dispersion&nbsp;and&nbsp;attenuation]'''<br/>As seismic acoustic waves pass through rock, some of their energy will be lost to heat. For tight, hard rocks, this loss can be negligible. However, for most sedimentary rocks, this loss will be significant, particularly on seismic scales.


[http://petrowiki.org/Acoustic_velocity_dispersion_and_attenuation Learn &nbsp;more....]
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<span style ="font-family: arial;font-size:20px;"> What is PetroWiki? </span>
<hr>
[[File:PEH all.png|210px|frameless|right]]
PetroWiki was created from the seven volume&nbsp;[http://store.spe.org/Petroleum-Engineering-Handbook-Volumes-I-VII-Print-Set-P126.aspx Petroleum Engineering Handbook (PEH)]&nbsp;published by the&nbsp;[http://www.spe.org/ Society of Petroleum Engineers (SPE)]. PetroWiki preserves the PEH content in unaltered form (page names that start with PEH:), while allowing SPE's membership to update and expand content from the published version. Pages that do not have PEH: at the beginning may have started with content from the PEH, but have been modified over time by contributors to the wiki. [http://petrowiki.org/PetroWiki:Disclaimer Disclaimer]
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| style="width: 259px;" | <span style="font-family: sans-serif, arial, verdana, 'trebuchet ms'; line-height: 16.6399993896484px;">New pages are continually added to PetroWiki. These new pages always need subject experts to help develop these pages into high quality resources. With so many different roles within PetroWiki that have to do with contributing there is undoubtedly a place that will fit perfectly with your expertise and time.&nbsp;</span>[http://petrowiki.org/Contribute%20what%20you%20know%20is%20right Read &nbsp;more about becoming a champion for PetroWiki…]<br/>
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<span style ="font-family: Arial;font-size:20px;"> Start your first page here! </span>
| style="width: 266px; text-align: center;" | <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="color: rgb(0, 102, 204); font-family: sans-serif, arial, verdana, 'trebuchet ms'; font-weight: bold; line-height: 16.6399993896484px; text-align: center; background-color: rgb(238, 238, 238);">PetroWiki news</span></div>
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| style="width: 259px; text-align: center;" | <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="color:#0066cc;">'''Featured new pages'''</span></div>
Start creating your first article by logging in and using the [[Special:Search|search box]] to look for the topic of your choice. We recommend using the title of a page you would like to create in the search box. If the search does not return any relevant pages, you will be asked to start a new page. You can click on the red link and it will open a new page with you title to begin. Add your content and remember to save!
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'''[http://petrowiki.org/PetroWiki%20news PetroWiki&nbsp;news]'''


'''[http://petrowiki.org/Sandbox:PetroWiki%20news 2014 Outstanding student chapters]'''
Unlike some other online wikis, PetroWiki content is&nbsp;[http://petrowiki.org/PetroWiki:Copyright copyright]&nbsp;SPE. For information about using content from PetroWiki, see&nbsp;[http://petrowiki.org/PetroWiki:Permissions PetroWiki:Permissions].
 
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The SPE Board has approved the implementation of a student trial period that will offer SPE's 2014 outstanding student chapters the&nbsp;opportunity to enhance PetroWiki.&nbsp;[http://petrowiki.org/PetroWiki%20news Read more.....]
 
'''[http://www.spe.org/news/category/feature More SPE featured news...]'''


| style="width: 259px;" | '''[[Well_integrity]]'''
<div style = "background-color:#fafafa;width=50%;padding:1px 5px 5px 5px;margin-bottom:25px; border:2px solid #c8ccd1;box-shadow: 0 0 4.5px rgba( 0, 0, 0, 0.15 );float:left;width:48%">
As defined by '''NORSOK D-010''': “Application of technical, operational and organizational solutions to reduce risk of uncontrolled release of formation fluids throughout the life cycle of a well.” There are various facets to well integrity, including accountability/responsibility, well operating processes, well service processes, tubing/annulus integrity, tree/wellhead integrity, and testing of safety systems. [http://petrowiki.org/Well_integrity Read more...]
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{| border="0" align="center" cellspacing="1" cellpadding="5" style="width: 100%;"
[[Help:Creating quality topic pages|How to create a quality topic page]]
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| style="text-align: center;" | <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="color: rgb(51, 153, 51); font-family: sans-serif, arial, verdana, 'trebuchet ms'; font-weight: bold; line-height: 16.6399993896484px; text-align: center; background-color: rgb(238, 238, 238);">What is PetroWiki?</span></div>
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PetroWiki was created from the seven volume&nbsp;[http://store.spe.org/Petroleum-Engineering-Handbook-Volumes-I-VII-Print-Set-P126.aspx Petroleum Engineering Handbook (PEH)]&nbsp;published by the&nbsp;[http://www.spe.org/ Society of Petroleum Engineers (SPE)]. PetroWiki preserves the PEH content in unaltered form (page names that start with PEH:), while allowing SPE's membership to update and expand content from the published version. Pages that do not have PEH: at the beginning may have started with content from the PEH, but have been modified over time by contributors to the wiki.


Content in PetroWiki is&nbsp;[http://petrowiki.org/Special:Moderation moderated]&nbsp;by at least two members with subject matter expertise. This helps to ensure that the information found in PetroWiki is technically accurate.&nbsp;[http://petrowiki.org/PetroWiki:Disclaimer Disclaimer]


Unlike some other online wikis, PetroWiki content is&nbsp;[http://petrowiki.org/PetroWiki:Copyright copyright]&nbsp;SPE. For information about using content from PetroWiki, see&nbsp;[http://petrowiki.org/PetroWiki:Permissions PetroWiki:Permissions].
<div style = "background-color:#fafafa;width=50%;padding:1px 5px 5px 5px;margin-bottom:25px; border:2px solid #c8ccd1;box-shadow: 0 0 4.5px rgba( 0, 0, 0, 0.15 );float:right;width:48%">
 
<span style ="font-family: Arial;font-size:20px;"> How can I contribute to PetroWiki?</span>
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| style="text-align: center;" | <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="color: rgb(0, 153, 0); font-family: sans-serif, arial, verdana, 'trebuchet ms'; font-weight: bold; line-height: 16.6399993896484px; text-align: center; background-color: rgb(238, 238, 238);">How can I contribute to PetroWiki?</span></div>
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PetroWiki is a living document and therefore the content should be enhanced to include newer technologies and current information.
PetroWiki is a living document and therefore the content should be enhanced to include newer technologies and current information.
<p style="font-family: sans-serif, arial, verdana, 'trebuchet ms'; line-height: 16.6399993896484px; text-align: center;">'''<span style="color: rgb(178, 34, 34);">Share your knowledge with others and help update PetroWiki at the same time! You can't "break" the wiki.</span>'''</p>
<p style="font-family: sans-serif, arial, verdana, 'trebuchet ms'; line-height: 16.6399993896484px; text-align: center;">'''<span style="color: rgb(178, 34, 34);">Share your knowledge with others and help update PetroWiki at the same time! You can't "break" the wiki.</span>'''</p>
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<li>Log in</li>
<li>Log in</li>
<li>Search for the topic of your choice</li>
<li>Search for the topic of your choice</li>
<li>Open the topic page</li>
<li>Open the topic page, if there is not a relevant topic page you will be asked if you want to start a new page</li>
<li>Make changes</li>
<li>Make changes and/or add content</li>
<li>Save</li>
<li>Save</li>
</ul>
</ul>
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'''Suggested additions:'''
'''Suggested additions:'''
<ul style="font-family: sans-serif, arial, verdana, 'trebuchet ms'; line-height: 16.6399993896484px;">
<ul style="font-family: sans-serif, arial, verdana, 'trebuchet ms'; line-height: 16.6399993896484px;">
<li>Adding links to good papers in OnePetro and elsewhere is a great way to enrich existing content pages.</li>
<li>New and emerging concepts </li>
<li>Creation of pages about specific fields are welcome. Knowing the basics of the reservoir and how the field was developed over time can provide valuable information to others. (See&nbsp;[http://petrowiki.org/Prudhoe%20Bay%20field Prudhoe_Bay_field]&nbsp;and [[Kuparuk_River_field&#124;Kuparuk River field</li>
<li>Utilize your expertise to review, update, and enhance the quality of existing content
</li>
<li>Adding links to good papers in OnePetro and elsewhere is a great way to enrich existing content pages.
</li>
<li>Creation of pages about specific fields are welcome. Knowing the basics of the reservoir and how the field was developed over time can provide valuable information to others. (See&nbsp;[http://petrowiki.org/Prudhoe%20Bay%20field Prudhoe_Bay_field]&nbsp;and [[Kuparuk_River_field|Kuparuk River field]]</li>
</ul>
</ul>


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<li>You must log in to edit. [http://petrowiki.org/Help:Editing%20a%20page Help with editing]</li>
<li>You must log in to edit. [http://petrowiki.org/Help:Editing%20a%20page Help with editing]</li>
<li>Pages that start with PEH&nbsp;'''cannot'''&nbsp;be edited.</li>
<li>Pages that start with PEH&nbsp;'''cannot'''&nbsp;be edited.</li>
<li>Glossary pages '''cannot''' be edited.
</li>
<li>For more information, see&nbsp;[http://petrowiki.org/PetroWiki:Frequently%20asked%20questions PetroWiki:Frequently asked questions]</li>
<li>For more information, see&nbsp;[http://petrowiki.org/PetroWiki:Frequently%20asked%20questions PetroWiki:Frequently asked questions]</li>
</ul>
</ul>
</div>


''Content categorization - SPE has finalized a technical&nbsp;[http://petrowiki.org/Taxonomy taxonomy]&nbsp;that is being used in PetroWiki, OnePetro, and other SPE content.''
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| style="text-align: center;" | <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="color: rgb(0, 153, 0); font-family: sans-serif, arial, verdana, 'trebuchet ms'; font-weight: bold; line-height: 16.6399993896484px; text-align: center; background-color: rgb(238, 238, 238);">How do I use PetroWiki?</span></div>
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'''Search box'''
Use the&nbsp;[http://petrowiki.org/index.php?title=Special:Search&search=&fulltext=Search search box]&nbsp;at upper right to find content of interest.
PetroWiki is indexed by search engines, so you also may find content of interest through your favorite search engine.
'''Glossary'''
Use the Glossary to find terms and definitions. [http://petrowiki.org/Category:Glossary Glossary]
'''Help'''
Use the&nbsp;[http://petrowiki.org/Help Help]&nbsp;to locate guides, videos, and slideshows to explain editing.
'''Translator'''
English not your first language? You'll find Google Translate in the navigation under Toolbox. While the translations are far from perfect and technical terms may not translate well, it may help with understanding. When you're on a translated page, mouseover the text to see the original text for ease of comparison.


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<span style ="font-family: arial;font-size:20px;"> Top Contributors to PetroWiki </span>
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{{Special:ContributionScores/10/all}}
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Latest revision as of 17:35, 19 February 2024


Welcome to PetroWiki
Wiki, powered by SPE membership with all things related to the petroleum industry.
3,635 pages in English

Featured article

Vol3 Page 453 Image 0002.png

Gas turbine meter

Gas turbine meters are velocity meters, and the upper velocity limit is essentially unchanged by pressure.

There are two main standards for turbine meters: ISO Standard 9951, Measurement of Gas Flow in Closed Conduits: Turbine Meters and OIML R32, Rotary Piston Gas and Turbine Gas Meters.

A basic turbine meter consists of:

  • A pressure-containing meter housing with end flanges
  • A set of internals, incorporating the turbine wheel and gearing mechanisms
  • A means of counting the turbine wheel revolutions
The operation of a turbine meter is based on the measurement of the velocity of gas. The flowing gas is accelerated and conditioned by the meter’s straightening section. The integrated straightening vanes prepare the gas flow profile by removing undesirable swirl and asymmetry before the gas flows over the freely rotating turbine wheel. The dynamic forces of the flowing gas cause the rotor to rotate. The turbine wheel is mounted on the main shaft, with high-precision, low-friction ball bearings. The turbine wheel has helical blades that have a known angle relative to the gas flow. The gas flow drives the turbine wheel at an angular velocity, which, in the linear range of a well-designed meter, is proportional with the gas velocity. Using a gearing mechanism, the rotating turbine wheel drives the mechanical counter. In addition, the rotating blade can also be used to generate pulses via a proximity sensor. Each pulse detected is equivalent to a discrete volume of gas at actual conditions (i.e., the total number of pulses collected in any period of time represents the gross observed volume during that period). For each meter, a calibration characteristic (K factor) is required. This factor is expressed in pulses per volume and is given by the manufacturer.

What is PetroWiki?

PEH all.png

PetroWiki was created from the seven volume Petroleum Engineering Handbook (PEH) published by the Society of Petroleum Engineers (SPE). PetroWiki preserves the PEH content in unaltered form (page names that start with PEH:), while allowing SPE's membership to update and expand content from the published version. Pages that do not have PEH: at the beginning may have started with content from the PEH, but have been modified over time by contributors to the wiki. Disclaimer

Start your first page here!

Start creating your first article by logging in and using the search box to look for the topic of your choice. We recommend using the title of a page you would like to create in the search box. If the search does not return any relevant pages, you will be asked to start a new page. You can click on the red link and it will open a new page with you title to begin. Add your content and remember to save!

Unlike some other online wikis, PetroWiki content is copyright SPE. For information about using content from PetroWiki, see PetroWiki:Permissions.

Helpful links

Edit toolbar

How to add inline references and auto numbered reference section

How to create a quality topic page


How can I contribute to PetroWiki?

PetroWiki is a living document and therefore the content should be enhanced to include newer technologies and current information.

Share your knowledge with others and help update PetroWiki at the same time! You can't "break" the wiki.

Follow these basic steps to get started:

  • Log in
  • Search for the topic of your choice
  • Open the topic page, if there is not a relevant topic page you will be asked if you want to start a new page
  • Make changes and/or add content
  • Save

Suggested additions:

  • New and emerging concepts
  • Utilize your expertise to review, update, and enhance the quality of existing content
  • Adding links to good papers in OnePetro and elsewhere is a great way to enrich existing content pages.
  • Creation of pages about specific fields are welcome. Knowing the basics of the reservoir and how the field was developed over time can provide valuable information to others. (See Prudhoe_Bay_field and Kuparuk River field

Things to know:


Top Contributors to PetroWiki

All time (Top 10)
RankScorePagesChangesUsername
1 80 57 185 Bob Rundle (Robertrundle) (talk | contribs)
2 76 57 151 Alexey Borisenko (Alexeyborisenko) (talk | contribs)
3 61 43 125 Maritza Vargas (Maritzavargas) (talk | contribs)
4 42 34 51 Ahmed Aql (Ahmedaql) (talk | contribs)
5 42 24 107 Jay Patel (Jaypatel1) (talk | contribs)
6 40 15 171 David Gratvol (Davidgratvol) (talk | contribs)
7 40 12 206 Omar El-khatib (Omarelkhatib) (talk | contribs)
8 40 23 92 Luiz Dalla (Luizdalla1) (talk | contribs)
9 35 24 53 Alexander Romanov (Alexanderromanov) (talk | contribs)
10 33 13 113 Claude Baudoin (Claudebaudoin) (talk | contribs)
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