Return-Path: Delivered-To: alvarochf@traceseis.com Received: from cs510.bluehost.com by cs510.bluehost.com with LMTP id +KVLOSae62kpJQ8AWiBQxw (envelope-from ) for ; Fri, 24 Apr 2026 10:45:26 -0600 Return-path: Envelope-to: alvarochf@traceseis.com Delivery-date: Fri, 24 Apr 2026 10:45:26 -0600 Received: from v5115.v5c4dda55.use4.send.mailgun.net ([159.112.241.115]:37998) by cs510.bluehost.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.98.2) (envelope-from ) id 1wGJeg-00000004DDn-29WQ for alvarochf@traceseis.com; Fri, 24 Apr 2026 10:45:26 -0600 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=cio103922.collide.io; q=dns/txt; s=krs; t=1777049110; x=1777056310; h=Message-Id: List-Unsubscribe: List-Unsubscribe-Post: To: To: From: From: Subject: Subject: Content-Type: Mime-Version: Date: Sender; bh=fSCPCjxOokPhmS5UewVbhV+FDdnIuBNOKFIC7Q9utPE=; b=oTW803Rq3ff3V3ViPNWFu4q4FY4rEUoPcx37o69Tn7IiVrAZu8bFtXlyO2ksu4hCURJoWJAjkmuVzBUqph4QISljtCcYsRVvBDVYDq+upjxLjn2d84/ylPEahX/5gXhVxpJiLnp8+RnxPTeF4CVT76RqkZdcScsdNFM16Oi5edc= X-Mailgun-Sid: WyIzNDJiMyIsImFsdmFyb2NoZkB0cmFjZXNlaXMuY29tIiwiMGVkMjBjYSJd Received: by 014ee7b2a48e45744789ad2c7798f505927b0c070ebfabab2c195a7b9f5b78f6 with HTTP id 69eb9e1590397ad8d3b6fcc8; Fri, 24 Apr 2026 16:45:09 GMT X-Mailgun-Sending-Ip: 159.112.241.115 Date: Fri, 24 Apr 2026 16:45:09 +0000 Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="e4056e3a09c345e2bf46ba14d8593db7950fafa9e47b6853e62042e7e017" Subject: do you know what an SP log measures? From: Collide To: alvarochf@traceseis.com X-Mailgun-Dkim: true X-Mailgun-Native-Send: true X-Mailgun-Track-Clicks: false X-Mailgun-Track-Opens: false List-Unsubscribe-Post: List-Unsubscribe=One-Click X-Mailer: Customer.io (dgS51wkDAIb7AoX7AgGdwGFxuGCGdtkypJT3wS4=; +https://whatis.customeriomail.com) X-Report-Abuse-To: badactor@customer.io List-Unsubscribe: , X-Mailgun-Variables: {"email_id": "dgS51wkDAIb7AoX7AgGdwGFxuGCGdtkypJT3wS4="} Message-Id: <20260424164509.c3db206910c07f78@cio103922.collide.io> X-Spam-Status: No, score=-0.5 X-Spam-Score: -4 X-Spam-Bar: / X-Spam-Flag: NO --e4056e3a09c345e2bf46ba14d8593db7950fafa9e47b6853e62042e7e017 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" collide , member post Collide ( https://collide.io/?utm_campaign=3Dmember+post+highlight+%E2%80%9= 4+PE+Problem+of+the+Day+4%2F24%2F2026&utm_content=3Dmember+post+highlight+%= E2%80%94+PE+Problem+of+the+Day+4%2F24%2F2026&utm_medium=3Demail_action&utm_= source=3Dcustomer.io ) // member post ************************************** what does the SP log actually measure? ************************************** Yogashri Pradhan is running the PE Problem of the Day series, and today's q= uestion is a good one. the SP log shows up on every wellbore, but do you ac= tually know what it's measuring? not just the acronym , the real physics be= hind it. if you've studied for your PE or just live in petrophysics, this i= s your moment to show your work. PE Problem of the Day 4/24/2026 ( https://app.collide.io/posts/pe-problem-o= f-the-day-4-24-2026?utm_campaign=3Dmember+post+highlight+%E2%80%94+PE+Probl= em+of+the+Day+4%2F24%2F2026&utm_content=3Dmember+post+highlight+%E2%80%94+P= E+Problem+of+the+Day+4%2F24%2F2026&utm_medium=3Demail_action&utm_source=3Dc= ustomer.io ) Yogashri Pradhan =C2=B7 posted today "what is an SP log ACTUALLY measuring? And you can't spell out only what it= measures. GO!" drop your answer in the thread. one of those posts where the replies are th= e whole point. answer the question ( https://app.collide.io/posts/pe-problem-of-the-day-4-= 24-2026?utm_campaign=3Dmember+post+highlight+%E2%80%94+PE+Problem+of+the+Da= y+4%2F24%2F2026&utm_content=3Dmember+post+highlight+%E2%80%94+PE+Problem+of= +the+Day+4%2F24%2F2026&utm_medium=3Demail_action&utm_source=3Dcustomer.io ) whether you crushed the PE or just work with logs every day , your answer b= elongs in this thread. Collide ( https://collide.io/?utm_campaign=3Dmember+post+highlight+%E2%80%9= 4+PE+Problem+of+the+Day+4%2F24%2F2026&utm_content=3Dmember+post+highlight+%= E2%80%94+PE+Problem+of+the+Day+4%2F24%2F2026&utm_medium=3Demail_action&utm_= source=3Dcustomer.io ) =C2=B7 unsubscribe ( https://track.customer.io/unsubscribe/dgS51wkDAIb7AoX7AgGdwGF= xuGCGdtkypJT3wS4=3D ) =C2=B7 Privacy Policy ( https://collide.io/privacy?utm_campaign=3Dmember+post+high= light+%E2%80%94+PE+Problem+of+the+Day+4%2F24%2F2026&utm_content=3Dmember+po= st+highlight+%E2%80%94+PE+Problem+of+the+Day+4%2F24%2F2026&utm_medium=3Dema= il_action&utm_source=3Dcustomer.io ) =C2=A9 2026 Collide. All rights reserved. --e4056e3a09c345e2bf46ba14d8593db7950fafa9e47b6853e62042e7e017 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="utf-8" =20 collide , member post
3D"Collide"
// member post

what does the SP log actually measure?

Yogashri Pradhan is running the PE Problem of the Day series, = and today's question is a good one. the SP log shows up on every wellbore, = but do you actually know what it's measuring? not just the acronym , the re= al physics behind it. if you've studied for your PE or just live in petroph= ysics, this is your moment to show your work.

PE Problem of the Day 4/24/2026

Yogashri Pradhan =C2=B7= posted today

"what is an SP log ACTUALLY measuring? And you c= an't spell out only what it measures. GO!"

drop your answer in the thread. one of those posts where the r= eplies are the whole point.
answer the question

whether you crushed the PE or just work with logs every day , = your answer belongs in this thread.
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