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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>
| 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>
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| style="width: 266px;" |[http://petrowiki.org/Reservoir_inflow_in_underbalanced_drilling '''Reservoir inflow in underbalanced drilling'''<br/><span style="color: rgb(34, 34, 34); font-family: sans-serif; font-size: 12.8000001907349px; line-height: 19.2000007629395px;">In&nbsp;</span>[http://petrowiki.org/Underbalanced_drilling_(UBD) underbalanced drilling (UBD)]<span style="color: rgb(34, 34, 34); font-family: sans-serif; font-size: 12.8000001907349px; line-height: 19.2000007629395px;">, as soon as the bit penetrates the reservoir, reservoir fluids start to flow into the wellbore. At this stage, the stabilized multiphase flow regime in the well prior to reservoir fluid entry must be adjusted to account for inflow and minimize the impact to the circulation system or moving out of the UBD window already established.</span>&nbsp;<span style="line-height: 1.6;">&nbsp;</span>[http://petrowiki.org/Reservoir_inflow_in_underbalanced_drilling Learn &nbsp;more....]
| style="width: 266px;" | '''Reservoir inflow in underbalanced drilling'''<br/><span style="color: rgb(34, 34, 34); font-family: sans-serif; font-size: 12.8000001907349px; line-height: 19.2000007629395px;">In&nbsp;</span>[[[http://petrowiki.org/Underbalanced_drilling_(UBD)|underbalanced drilling (UBD)]]<span style="color: rgb(34, 34, 34); font-family: sans-serif; font-size: 12.8000001907349px; line-height: 19.2000007629395px;">, as soon as the bit penetrates the reservoir, reservoir fluids start to flow into the wellbore. At this stage, the stabilized multiphase flow regime in the well prior to reservoir fluid entry must be adjusted to account for inflow and minimize the impact to the circulation system or moving out of the UBD window already established.</span>&nbsp;<span style="line-height: 1.6;">&nbsp;</span>[http://petrowiki.org/Reservoir_inflow_in_underbalanced_drilling Learn &nbsp;more....]
| 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/>
| 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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Revision as of 12:11, 11 June 2015


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Reservoir inflow in underbalanced drilling
In [[drilling (UBD)], as soon as the bit penetrates the reservoir, reservoir fluids start to flow into the wellbore. At this stage, the stabilized multiphase flow regime in the well prior to reservoir fluid entry must be adjusted to account for inflow and minimize the impact to the circulation system or moving out of the UBD window already established.  Learn  more....
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. Read  more about becoming a champion for PetroWiki…
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What is PetroWiki?

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.

Content in PetroWiki is moderated by at least two members with subject matter expertise. This helps to ensure that the information found in PetroWiki is technically accurate. Disclaimer

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

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
  • Make changes
  • Save

Suggested additions:

  • 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|Kuparuk River field

Things to know:

Content categorization - SPE has finalized a technical taxonomy that is being used in PetroWiki, OnePetro, and other SPE content.

How do I use PetroWiki?

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Use the search box 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.

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Use Glossary the to find terms and definitions.

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Use the Help to locate guides, videos, and slideshows to explain editing.

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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.