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  2. Spontaneous potential logging - Wikipedia

    en.wikipedia.org/wiki/Spontaneous_potential_logging

    Spontaneous potential log, commonly called the self potential log or SP log, is a passive measurement taken by oil industry well loggers to characterise rock formation properties. The log works by measuring small electric potentials (measured in millivolts) between depths with in the borehole and a grounded electrode at the surface.

  3. Spontaneous potential - Wikipedia

    en.wikipedia.org/wiki/Spontaneous_potential

    As established earlier, static SP is defined as follow: SSP = −K log (R mfe /R we) Static SP (SSP) can be obtained directly from the SP curve if the bed is clean, thick, porous, permeable, and only moderately invaded. When these conditions are not met, the recorded SP will need to be corrected. Various correction charts are available for this ...

  4. Formation evaluation - Wikipedia

    en.wikipedia.org/wiki/Formation_evaluation

    As the SP logging tool is drawn up the hole it measures the voltage difference between the reference stake and the mud opposite shale and sandstone or limestone sections. The resulting log curve reflects the permeability of the rocks and, indirectly, their lithology. SP curves degrade over time, as the ions diffuse up and down the mud column.

  5. Free Fire (video game) - Wikipedia

    en.wikipedia.org/wiki/Free_Fire_(video_game)

    Free Fire Max is an enhanced version of Free Fire that was released in 2021. [ 71 ] [ 72 ] It features improved High-Definition graphics , sound effects , and a 360-degree rotatable lobby. Players can use the same account to play both Free Fire Max and Free Fire , and in-game purchases, costumes, and items are synced between the two games. [ 73 ]

  6. Free Fire World Series - Wikipedia

    en.wikipedia.org/wiki/Free_Fire_World_Series

    The Free Fire World Series (FFWS) is the annual professional Free Fire world championship tournament hosted by Garena. Teams compete for a total prize pool of US$2 million . [ 1 ] The 2021 edition of the event became world's most watched esports event by peak live viewer count at the time.

  7. Free Fire - Wikipedia

    en.wikipedia.org/wiki/Free_Fire

    Free Fire, a 2016 British action comedy film Free Fire (video game) , a 2017 multiplayer online battle royale game Free Fire , a 2007 Joe Pickett novel by C. J. Box

  8. Facebook Gaming - Wikipedia

    en.wikipedia.org/wiki/Facebook_Gaming

    On April 20, 2020, Facebook launched its gaming app to more countries, which was actually planned to release in June 2020, but released earlier upon witnessing the community demand. [14] On June 22, 2020, Microsoft announced that it would discontinue its Mixer streaming service, and redirect users (including partnered streamers) to Facebook Gaming.

  9. Facebook - Wikipedia

    en.wikipedia.org/wiki/Facebook

    Facebook login/signup screen. Each registered user on Facebook has a personal profile that shows their posts and content. [44] The format of individual user pages was revamped in September 2011 and became known as "Timeline", a chronological feed of a user's stories, [45] [46] including status updates, photos, interactions with apps and events ...