Return-Path: Delivered-To: alvarochf@traceseis.com Received: from cs510.bluehost.com by cs510.bluehost.com with LMTP id aI/WMSJ9x2kxvgoAWiBQxw (envelope-from ) for ; Sat, 28 Mar 2026 01:02:58 -0600 Return-path: Envelope-to: alvarochf@traceseis.com Delivery-date: Sat, 28 Mar 2026 01:02:58 -0600 Received: from maile-bc.linkedin.com ([108.174.3.203]:45079) by cs510.bluehost.com with esmtps (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1w6NhC-000000033IB-1hAy for alvarochf@traceseis.com; Sat, 28 Mar 2026 01:02:58 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=maile.linkedin.com; s=d2048-202308-0e; t=1774681367; bh=kVQ5IsAGMCai/Awz1/aj8CqyoYjRZuVHDlTjWMaR7ao=; h=Date:From:Subject:MIME-Version:Content-Type:To:X-LinkedIn-Class: X-LinkedIn-Template:X-LinkedIn-fbl; b=ojqREvTf1y4u0g1WjxataIBqMsKENsgaWAY5Hl7VMOIXjM1ULxyAqIE+OQD6e8KC0 eEF4LJGD3wn+F/ns7659H/ZILyeklLXp0+xpdHFEkjgt078fYZN6Kzr6YToly6nQg0 V53KdFw7XvpcSbXbm2p13CImbFUy3Gm+CMbCmGWUNAIgccxXgnwiREyBIGuhu8xXXT cuUdEVCHzNq8euH1GsDcHXBfI1cpEskuGoCrwDjvRq8WEaifEpwLXqjBNCNRoTU1oJ xWbsSo5OdFtFxnOIqzh527PNyqdz9UlLNgfm6whURkMUcuwrwuXIIMPsFKVuL4TYgA t9rUjDz8NNkpw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linkedin.com; s=d2048-202308-00; t=1774681367; bh=kVQ5IsAGMCai/Awz1/aj8CqyoYjRZuVHDlTjWMaR7ao=; h=Date:From:Subject:MIME-Version:Content-Type:To:X-LinkedIn-Class: X-LinkedIn-Template:X-LinkedIn-fbl; b=U2ty0mLQeJFzLC97/ZvNdWO7yAE5ke5iTl1EXTG9p9kGxBXDhDzdNDUWvgl/dnhUV hkgAMu5Ad/o0oAz5DQKkC6u5DDj0wTrjRljvU6Mk0JhkE8rsgMIgHjrwgFciPDOeOp 5bx28ZXz18Ebyv+ZlhTvELm6/kj3MuoWQS/CY/AKc6DXj2MwlEFnLNH3Tg56S2rJV8 XQgnISyHdPt7lDROtTeBcR70g3ollayF9z8wIcaTuNFPCBwu9lsC47zRY4ZY0qmarW nzail1ujgc56SejUyYfVR2KJk+PvQ1W+3Sv9n2cznWvv84PqxJ9mjyLgFABjIeF/8M 0DkZ4qU5Fgmdg== Date: Sat, 28 Mar 2026 07:02:47 +0000 (UTC) From: "Reservoir Solutions (RES) via LinkedIn" Message-ID: <984043868.12127103.1774681367355@lva1-app105756.prod.linkedin.com> Subject: Vertical Seismic Profiling (VSP): A Deeper Look into the Subsurface MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_12127101_1302717450.1774681367352" To: "Alvaro Chaveste Jr." X-LinkedIn-Class: EMAIL-DEFAULT X-LinkedIn-Template: email_series_follow_newsletter_02 X-LinkedIn-fbl: m2-aszz8r6tm219twnd1lokatdszalhtopo4qul6pmfolbgtvjru3w447ddfww9oxznguv9xg6lztum5fv12zvgmg0mmowqenl9fub7na X-LinkedIn-Id: niwq2c-mn9zdt3g-c List-Unsubscribe: List-Unsubscribe-Post: List-Unsubscribe=One-Click Require-Recipient-Valid-Since: alvarochf@traceseis.com; Wed, 13 Nov 2024 04:36:45 +0000 X-Spam-Status: No, score=-0.7 X-Spam-Score: -6 X-Spam-Bar: / X-Spam-Flag: NO ------=_Part_12127101_1302717450.1774681367352 Content-Type: text/plain;charset=UTF-8 Content-Transfer-Encoding: quoted-printable Content-ID: text-body Reservoir Solutions (RES) By Reservoir Solutions (RES) By Reservoir Solutions (RES) =20 =20 Read this article on LinkedIn to join the conversation Read on LinkedIn https://www.linkedin.com/comm/pulse/vertical-seismic-profiling-vsp-deeper-l= ook-subsurface-renaf?lipi=3Durn%3Ali%3Apage%3Aemail_email_series_follow_new= sletter_02%3Be7HzVn92S0qApqhAj5sloA%3D%3D&midToken=3DAQHs81gzrEnLQw&midSig= =3D3jb81ViogCkYc1&trk=3Deml-email_series_follow_newsletter_02-null-0-read_m= ore_banner_cta_&trkEmail=3Deml-email_series_follow_newsletter_02-null-0-rea= d_more_banner_cta_-null-niwq2c~mn9zdt3g~c-null-null&eid=3Dniwq2c-mn9zdt3g-c =20 Vertical Seismic Profiling (VSP) is one of the most powerful geophysical te= chniques used in the oil and gas industry to improve subsurface imaging and= reduce uncertainty in reservoir characterization. Unlike conventional surf= ace seismic surveys, VSP places receivers inside the wellbore, providing hi= gher-resolution data and more accurate depth information. What is VSP? VSP = is a seismic measurement method where geophones (or seismic receivers) are = deployed down a borehole while a seismic source is activated at the surface= . The recorded signals travel through subsurface layers and are captured at= different depths, allowing geoscientists to analyze wave behavior in detai= l. This setup offers a key advantage: it minimizes distortions caused by ne= ar-surface conditions, which often degrade the quality of surface seismic d= ata. Why VSP is Important The main goal of VSP is to bridge the gap between= well data and surface seismic data. While well logs provide high-resolutio= n information at a specific location and surface seismic offers broader cov= erage, VSP connects both in terms of time and depth. Key benefits include: = Accurate time-depth relationship VSP provides precise correlation between s= eismic time and actual depth, which is critical for interpretation. Improve= d seismic imaging By recording data closer to the target zones, VSP reduces= noise and enhances resolution. Better understanding of subsurface structur= es It helps identify faults, fractures, and stratigraphic features more cle= arly. Calibration of surface seismic data VSP is often used to validate and= adjust surface seismic interpretations. Types of VSP There are several typ= es of VSP, each designed for specific objectives: 1. Zero-Offset VSP The se= ismic source is placed close to the wellhead. This type is mainly used for = time-depth calibration and basic imaging. 2. Offset VSP The source is locat= ed at some distance from the well. This helps in imaging dipping layers and= identifying lateral variations. 3. Walkaway VSP The source moves progressi= vely away from the well along a line. This provides better insight into vel= ocity variations and anisotropy. 4. Walkaround VSP The source moves in a ci= rcular pattern around the well. It is useful for detecting azimuthal variat= ions and fracture orientation. How VSP Works The process involves three mai= n components: Seismic Source Generates energy waves (usually vibroseis truc= ks or explosives). Downhole Receivers Geophones are placed at different dep= ths in the well. Recording System Captures the seismic signals for processi= ng and analysis. When the source generates waves, they travel through the s= ubsurface and reflect off geological boundaries. These reflected waves are = recorded by the downhole sensors, providing detailed information about the = layers they passed through. Applications in the Industry VSP plays a critic= al role in several areas of petroleum exploration and production: Reservoir= characterization Helps define reservoir boundaries and properties. Seismic= interpretation Improves confidence in identifying geological features. Dri= lling optimization Reduces uncertainty, leading to better well placement. T= ime-lapse (4D) monitoring Tracks changes in the reservoir over time, especi= ally during production or injection. Advantages over Surface Seismic While = surface seismic surveys are widely used, they have limitations such as nois= e, multiple reflections, and reduced resolution at depth. VSP addresses man= y of these issues: Higher signal-to-noise ratio Better vertical resolution = More accurate depth positioning Reduced impact of surface conditions Challe= nges and Limitations Despite its advantages, VSP also comes with challenges= : Higher cost compared to conventional seismic Operational complexity due t= o downhole equipment Limited spatial coverage since measurements are center= ed around the well Because of these factors, VSP is often used in combinati= on with surface seismic rather than as a replacement. Conclusion Vertical S= eismic Profiling is a critical tool for reducing uncertainty in subsurface = interpretation. By providing high-resolution data and accurate depth correl= ation, it enhances the value of both well logs and surface seismic surveys.= In an industry where decisions are costly and risks are high, VSP offers a= reliable way to see deeper, clearer, and with greater confidence. In simpl= e terms: VSP is like placing a =E2=80=9Ccamera=E2=80=9D inside the well to = get a clearer picture of what lies beneath the surface=E2=80=94making it an= essential technique for modern reservoir evaluation. Keep reading on LinkedIn https://www.linkedin.com/comm/pulse/vertical-seismic-profiling-vsp-deeper-l= ook-subsurface-renaf?lipi=3Durn%3Ali%3Apage%3Aemail_email_series_follow_new= sletter_02%3Be7HzVn92S0qApqhAj5sloA%3D%3D&midToken=3DAQHs81gzrEnLQw&midSig= =3D3jb81ViogCkYc1&trk=3Deml-email_series_follow_newsletter_02-newsletter_co= ntent_preview_text-0-readmore_button_&trkEmail=3Deml-email_series_follow_ne= wsletter_02-newsletter_content_preview_text-0-readmore_button_-null-niwq2c~= mn9zdt3g~c-null-null&eid=3Dniwq2c-mn9zdt3g-c =20 =20 ---------------------------------------- This email was intended for Alvaro Chaveste Jr. (TraceSeis, Inc: Mapping th= e Subsurface with Measured Precision.) 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LinkedIn and the LinkedIn logo are registered trademarks of LinkedIn. ------=_Part_12127101_1302717450.1774681367352 Content-Type: text/html;charset=UTF-8 Content-Transfer-Encoding: quoted-printable Content-ID: html-body <= head> </t= itle> <style> @media (max-width: 512px) { .mercado-container { width: 100% = !important; } } </style> <style> @media (max-width: 480px) { .inline-button, .inline-button tabl= e { display: none !important; } .full-width-button, .full-width-button table { display: table != important; } } @media (max-width: 320px) { .games-notification-badge { display: none !important; } } </style> <style>body {font-family: -apple-system, system-ui, Blin= kMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', 'Fira Sans', Ubuntu, Oxygen, 'Oxygen Sans', Cantarell, 'Droid S= ans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Lucida Grande', Helvetica= , Arial, sans-serif;}</style> <!--[if mso]><style type=3D"text/css"> </styl= e><![endif]--> <!--[if IE]><style type=3D"text/css"> </style><![endif]--> <= /head> <body dir=3D"ltr" class=3D"font-sans bg-color-background-canvas w-fu= ll m-0 p-0 pt-1" style=3D"-webkit-text-size-adjust: 100%; 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-ms-text-size-adjust: 100%; mso-table-l= space: 0pt; mso-table-rspace: 0pt; padding-left: 24px; padding-right: 24px;= padding-top: 8px;"> <table role=3D"presentation" valign=3D"top" border=3D"= 0" cellspacing=3D"0" cellpadding=3D"0" width=3D"100%" class=3D"font-sans" s= tyle=3D"-webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; mso-tab= le-lspace: 0pt; mso-table-rspace: 0pt; font-family: -apple-system, system-u= i, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', 'Fira Sans', U= buntu, Oxygen, 'Oxygen Sans', Cantarell, 'Droid Sans', 'Apple Color Emoji',= 'Segoe UI Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Lucida Grande', He= lvetica, Arial, sans-serif;"> <tbody> <tr> <td valign=3D"top" class=3D"pr-1= w-6" style=3D"-webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; = mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 48px; padding-right: 8= px;" width=3D"48"> <a href=3D"https://www.linkedin.com/comm/newsletters/722= 1979031120805889?lipi=3Durn%3Ali%3Apage%3Aemail_email_series_follow_newslet= ter_02%3Be7HzVn92S0qApqhAj5sloA%3D%3D&midToken=3DAQHs81gzrEnLQw&mid= Sig=3D3jb81ViogCkYc1&trk=3Deml-email_series_follow_newsletter_02-newsle= tter_entity_lockup-0-newsletter_entity_cta&trkEmail=3Deml-email_series_= follow_newsletter_02-newsletter_entity_lockup-0-newsletter_entity_cta-null-= niwq2c~mn9zdt3g~c-null-null&eid=3Dniwq2c-mn9zdt3g-c" target=3D"_blank" = style=3D"color: #0a66c2; cursor: pointer; display: inline-block; text-decor= ation: none; -webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%;"> = <img class=3D"inline-block relative bg-color-entity-ghost-background w-6 h-= 6 rounded-md" src=3D"https://media.licdn.com/dms/image/v2/D4D12AQGt2WJKsDDm= dw/series-logo_image-shrink_100_100/series-logo_image-shrink_100_100/0/1723= 371514382?e=3D1776297600&v=3Dbeta&t=3DmTkA4vXkN_OJ_zdMXJ_mhAbBJsmoc= 6knrpC7loBcCmY" alt=3D"Open Reservoir Solutions (RES)" style=3D"outline: no= ne; text-decoration: none; -ms-interpolation-mode: bicubic; position: relat= ive; display: inline-block; height: 48px; width: 48px; border-radius: 8px; = background-color: #eae6df;" width=3D"48" height=3D"48"> </a> </td> <td vali= gn=3D"top" style=3D"-webkit-text-size-adjust: 100%; -ms-text-size-adjust: 1= 00%; mso-table-lspace: 0pt; mso-table-rspace: 0pt;"> <table role=3D"present= ation" valign=3D"top" border=3D"0" cellspacing=3D"0" cellpadding=3D"0" widt= h=3D"100%" style=3D"-webkit-text-size-adjust: 100%; -ms-text-size-adjust: 1= 00%; mso-table-lspace: 0pt; mso-table-rspace: 0pt;"> <tbody> <tr> <td style= =3D"-webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; mso-table-l= space: 0pt; mso-table-rspace: 0pt;"> <a href=3D"https://www.linkedin.com/co= mm/newsletters/7221979031120805889?lipi=3Durn%3Ali%3Apage%3Aemail_email_ser= ies_follow_newsletter_02%3Be7HzVn92S0qApqhAj5sloA%3D%3D&midToken=3DAQHs= 81gzrEnLQw&midSig=3D3jb81ViogCkYc1&trk=3Deml-email_series_follow_ne= wsletter_02-newsletter_entity_lockup-0-newsletter_entity_cta&trkEmail= =3Deml-email_series_follow_newsletter_02-newsletter_entity_lockup-0-newslet= ter_entity_cta-null-niwq2c~mn9zdt3g~c-null-null&eid=3Dniwq2c-mn9zdt3g-c= " target=3D"_blank" class=3D"no-underline" style=3D"color: #0a66c2; cursor:= pointer; display: inline-block; text-decoration: none; -webkit-text-size-a= djust: 100%; -ms-text-size-adjust: 100%; text-decoration-line: none;"> <div= class=3D"pb-0.5" style=3D"padding-bottom: 4px;"> <span class=3D"text-md fo= nt-bold text-color-text break-words leading-regular" style=3D"overflow-wrap= : break-word; font-size: 16px; font-weight: 600; line-height: 1.25; color: = rgba(0, 0, 0, 0.9);"> Reservoir Solutions (RES) </span> </div> </a> </td> <= /tr> <tr> <td style=3D"-webkit-text-size-adjust: 100%; -ms-text-size-adjust= : 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt;"> <a href=3D"https://= www.linkedin.com/comm/newsletters/7221979031120805889?lipi=3Durn%3Ali%3Apag= e%3Aemail_email_series_follow_newsletter_02%3Be7HzVn92S0qApqhAj5sloA%3D%3D&= amp;midToken=3DAQHs81gzrEnLQw&midSig=3D3jb81ViogCkYc1&trk=3Deml-ema= il_series_follow_newsletter_02-newsletter_entity_lockup-0-newsletter_entity= _cta&trkEmail=3Deml-email_series_follow_newsletter_02-newsletter_entity= _lockup-0-newsletter_entity_cta-null-niwq2c~mn9zdt3g~c-null-null&eid=3D= niwq2c-mn9zdt3g-c" target=3D"_blank" class=3D"no-underline" style=3D"color:= #0a66c2; cursor: pointer; display: inline-block; text-decoration: none; -w= ebkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; text-decoration-l= ine: none;"> <span class=3D"text-xs text-color-text-low-emphasis leading-re= gular" style=3D"font-size: 12px; line-height: 1.25; color: rgba(0, 0, 0, 0.= 6);"> Reservoir Solutions delivers cutting-edge petroleum services, trainin= g optimizing reservoir=E2=80=A6 </span> </a> </td> </tr> </tbody> </table> = </td> </tr> </tbody> </table> </td> </tr> <tr data-test-id=3D"newsletter-co= ntent-preview"> <td class=3D"px-3 pt-2" style=3D"-webkit-text-size-adjust: = 100%; -ms-text-size-adjust: 100%; mso-table-lspace: 0pt; mso-table-rspace: = 0pt; padding-left: 24px; padding-right: 24px; padding-top: 16px;"> <table r= ole=3D"presentation" valign=3D"top" border=3D"0" cellspacing=3D"0" cellpadd= ing=3D"0" width=3D"100%" style=3D"-webkit-text-size-adjust: 100%; -ms-text-= size-adjust: 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt;"> <tbody> = <tr> <td class=3D"overflow-hidden " style=3D"-webkit-text-size-adjust: 100%= ; -ms-text-size-adjust: 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt;= overflow: hidden;"> <table role=3D"presentation" valign=3D"top" border=3D"= 0" cellspacing=3D"0" cellpadding=3D"0" width=3D"100%" style=3D"-webkit-text= -size-adjust: 100%; -ms-text-size-adjust: 100%; mso-table-lspace: 0pt; mso-= table-rspace: 0pt;"> <tbody> <tr> <td style=3D"-webkit-text-size-adjust: 10= 0%; -ms-text-size-adjust: 100%; mso-table-lspace: 0pt; mso-table-rspace: 0p= t;"> <a href=3D"https://www.linkedin.com/comm/pulse/vertical-seismic-profil= ing-vsp-deeper-look-subsurface-renaf?lipi=3Durn%3Ali%3Apage%3Aemail_email_s= eries_follow_newsletter_02%3Be7HzVn92S0qApqhAj5sloA%3D%3D&midToken=3DAQ= Hs81gzrEnLQw&midSig=3D3jb81ViogCkYc1&trk=3Deml-email_series_follow_= newsletter_02-newsletter_content_preview-0-headline_&trkEmail=3Deml-ema= il_series_follow_newsletter_02-newsletter_content_preview-0-headline_-null-= niwq2c~mn9zdt3g~c-null-null&eid=3Dniwq2c-mn9zdt3g-c" target=3D"_blank" = class=3D"w-full" style=3D"color: #0a66c2; cursor: pointer; display: inline-= block; text-decoration: none; -webkit-text-size-adjust: 100%; -ms-text-size= -adjust: 100%; width: 100%;"> <img class=3D"block w-full aspect-[744/400] o= bject-cover overflow-hidden" data-test-id=3D"newsletter-content-preview__co= ver-image" alt=3D"Newsletter cover image" src=3D"https://media.licdn.com/dm= s/image/v2/D4D12AQEnMib3q48-tA/article-cover_image-shrink_720_1280/B4DZ0xMg= ebH4AM-/0/1774646955619?e=3D1776297600&v=3Dbeta&t=3DjJp2SA2AyVbP6pX= batM273bzC5zrmpgP2dWU7D8-Lyg" style=3D"outline: none; text-decoration: none= ; -ms-interpolation-mode: bicubic; display: block; aspect-ratio: 744/400; w= idth: 100%; overflow: hidden; object-fit: cover;"> </a> </td> </tr> <tr> <t= d class=3D"py-2" style=3D"-webkit-text-size-adjust: 100%; -ms-text-size-adj= ust: 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt; padding-top: 16px;= padding-bottom: 16px;"> <table role=3D"presentation" valign=3D"top" border= =3D"0" cellspacing=3D"0" cellpadding=3D"0" width=3D"100%" style=3D"-webkit-= text-size-adjust: 100%; -ms-text-size-adjust: 100%; mso-table-lspace: 0pt; = mso-table-rspace: 0pt;"> <tbody> <tr> <td style=3D"-webkit-text-size-adjust= : 100%; -ms-text-size-adjust: 100%; mso-table-lspace: 0pt; mso-table-rspace= : 0pt;"> <a href=3D"https://www.linkedin.com/comm/pulse/vertical-seismic-pr= ofiling-vsp-deeper-look-subsurface-renaf?lipi=3Durn%3Ali%3Apage%3Aemail_ema= il_series_follow_newsletter_02%3Be7HzVn92S0qApqhAj5sloA%3D%3D&midToken= =3DAQHs81gzrEnLQw&midSig=3D3jb81ViogCkYc1&trk=3Deml-email_series_fo= llow_newsletter_02-newsletter_content_preview-0-title_&trkEmail=3Deml-e= mail_series_follow_newsletter_02-newsletter_content_preview-0-title_-null-n= iwq2c~mn9zdt3g~c-null-null&eid=3Dniwq2c-mn9zdt3g-c" target=3D"_blank" c= lass=3D"no-underline font-medium text-sm m-0 text-system-gray-90" style=3D"= cursor: pointer; display: inline-block; text-decoration: none; -webkit-text= -size-adjust: 100%; -ms-text-size-adjust: 100%; margin: 0px; font-size: 14p= x; font-weight: 500; color: #282828; text-decoration-line: none;"> <h2 clas= s=3D"m-0 text-display-sm leading-regular text-color-text font-bold font-san= s" style=3D"margin: 0px; font-family: -apple-system, system-ui, BlinkMacSys= temFont, 'Segoe UI', Roboto, 'Helvetica Neue', 'Fira Sans', Ubuntu, Oxygen,= 'Oxygen Sans', Cantarell, 'Droid Sans', 'Apple Color Emoji', 'Segoe UI Emo= ji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Lucida Grande', Helvetica, Arial= , sans-serif; font-size: 24px; font-weight: 600; line-height: 1.25; color: = rgba(0, 0, 0, 0.9);"> Vertical Seismic Profiling (VSP): A Deeper Look into = the Subsurface </h2> </a> </td> </tr> <tr> <td style=3D"-webkit-text-size-a= djust: 100%; -ms-text-size-adjust: 100%; mso-table-lspace: 0pt; mso-table-r= space: 0pt;"> <table role=3D"presentation" valign=3D"top" border=3D"0" cell= spacing=3D"0" cellpadding=3D"0" width=3D"100%" data-test-id=3D"newsletter-a= uthor-lockup-redesign" class=3D"mt-1 mb-2" style=3D"-webkit-text-size-adjus= t: 100%; -ms-text-size-adjust: 100%; mso-table-lspace: 0pt; mso-table-rspac= e: 0pt; margin-bottom: 16px; margin-top: 8px;"> <tbody> <tr> <td valign=3D"= middle" align=3D"left" class=3D"w-3" style=3D"-webkit-text-size-adjust: 100= %; -ms-text-size-adjust: 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt= ; width: 24px;" width=3D"24"> <a href=3D"https://www.linkedin.com/comm/comp= any/reservoirsolutions-res?lipi=3Durn%3Ali%3Apage%3Aemail_email_series_foll= ow_newsletter_02%3Be7HzVn92S0qApqhAj5sloA%3D%3D&midToken=3DAQHs81gzrEnL= Qw&midSig=3D3jb81ViogCkYc1&trk=3Deml-email_series_follow_newsletter= _02-newsletter_content_preview-0-author_&trkEmail=3Deml-email_series_fo= llow_newsletter_02-newsletter_content_preview-0-author_-null-niwq2c~mn9zdt3= g~c-null-null&eid=3Dniwq2c-mn9zdt3g-c" target=3D"_blank" style=3D"color= : #0a66c2; cursor: pointer; display: inline-block; text-decoration: none; -= webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%;"> <img class=3D"= inline-block relative bg-color-entity-ghost-background w-4 h-4 align-middle= " src=3D"https://media.licdn.com/dms/image/v2/D4E0BAQGaIuAu3oJGmw/company-l= ogo_100_100/company-logo_100_100/0/1688381262263?e=3D1776297600&v=3Dbet= a&t=3DYwdnhB9zfrE7a6aMNZNiQPYrzIygGQ33BGpqc44p-jo" alt=3D"Author image"= style=3D"outline: none; 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margin-left: 8px; text-decorat= ion-line: none;"> <span class=3D"font-sans font-bold text-sm mb-3 text-colo= r-text-low-emphasis leading-regular" style=3D"margin-bottom: 24px; font-fam= ily: -apple-system, system-ui, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Hel= vetica Neue', 'Fira Sans', Ubuntu, Oxygen, 'Oxygen Sans', Cantarell, 'Droid= Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Emoji', 'Segoe UI = Symbol', 'Lucida Grande', Helvetica, Arial, sans-serif; font-size: 14px; fo= nt-weight: 600; line-height: 1.25; color: rgba(0, 0, 0, 0.6);"> Reservoir S= olutions (RES) </span> </a> </td> </tr> </tbody> </table> </td> </tr> <tr> = <td class=3D"pb-1" style=3D"-webkit-text-size-adjust: 100%; -ms-text-size-a= djust: 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt; padding-bottom: = 8px;"> <div class=3D"p-3 bg-color-surface-tint rounded-md font-sans" data-t= est-id=3D"newsletter-cta-banner" style=3D"border-radius: 8px; background-co= lor: #f5f7f9; padding: 24px; font-family: -apple-system, system-ui, BlinkMa= cSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', 'Fira Sans', Ubuntu, Oxy= gen, 'Oxygen Sans', Cantarell, 'Droid Sans', 'Apple Color Emoji', 'Segoe UI= Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Lucida Grande', Helvetica, A= rial, sans-serif;"> <div class=3D"mb-1.5" style=3D"margin-bottom: 12px;"> <= span class=3D"text-md leading-regular font-bold text-color-text" style=3D"f= ont-size: 16px; font-weight: 600; line-height: 1.25; color: rgba(0, 0, 0, 0= .9);"> Read this article on LinkedIn to join the conversation </span> </div= > <table role=3D"presentation" valign=3D"top" border=3D"0" cellspacing=3D"0= " cellpadding=3D"0" width=3D"100%" class=3D"email-button " data-test-id=3D"= email-button" style=3D"-webkit-text-size-adjust: 100%; -ms-text-size-adjust= : 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt;"> <tbody> <tr> <td va= lign=3D"middle" align=3D"left" style=3D"-webkit-text-size-adjust: 100%; -ms= -text-size-adjust: 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt;"> <a= href=3D"https://www.linkedin.com/comm/pulse/vertical-seismic-profiling-vsp= -deeper-look-subsurface-renaf?lipi=3Durn%3Ali%3Apage%3Aemail_email_series_f= ollow_newsletter_02%3Be7HzVn92S0qApqhAj5sloA%3D%3D&midToken=3DAQHs81gzr= EnLQw&midSig=3D3jb81ViogCkYc1&trk=3Deml-email_series_follow_newslet= ter_02-newsletter_content_preview-0-read_more_banner_cta_&trkEmail=3Dem= l-email_series_follow_newsletter_02-newsletter_content_preview-0-read_more_= banner_cta_-null-niwq2c~mn9zdt3g~c-null-null&eid=3Dniwq2c-mn9zdt3g-c" t= arget=3D"_blank" aria-label=3D"Open this article on LinkedIn" class=3D"alig= n-top no-underline " style=3D"color: #0a66c2; cursor: pointer; display: inl= ine-block; text-decoration: none; -webkit-text-size-adjust: 100%; -ms-text-= size-adjust: 100%; vertical-align: top; text-decoration-line: none;"> <tabl= e role=3D"presentation" valign=3D"top" border=3D"0" cellspacing=3D"0" cellp= adding=3D"0" width=3D"auto" class=3D"border-separate " style=3D"-webkit-tex= t-size-adjust: 100%; -ms-text-size-adjust: 100%; mso-table-lspace: 0pt; mso= -table-rspace: 0pt; border-collapse: separate;"> <tbody> <tr> <td class=3D"= btn-sm btn-primary border-color-brand button-link leading-regular !min-h-[a= uto] !shadow-none border-1 border-solid" style=3D"-webkit-text-size-adjust:= 100%; -ms-text-size-adjust: 100%; mso-table-lspace: 0pt; mso-table-rspace:= 0pt; height: min-content; border-radius: 24px; padding-top: 7px; padding-b= ottom: 7px; padding-left: 16px; padding-right: 16px; text-align: center; fo= nt-size: 14px; font-weight: 600; cursor: pointer; text-decoration-line: non= e; background-color: #0a66c2; color: #ffffff; border-width: 1px; border-sty= le: solid; border-color: #0a66c2; line-height: 1.25; min-height: auto !impo= rtant; box-shadow: 0 0 #0000, 0 0 #0000, 0 0 #0000 !important;"> <a href=3D= "https://www.linkedin.com/comm/pulse/vertical-seismic-profiling-vsp-deeper-= look-subsurface-renaf?lipi=3Durn%3Ali%3Apage%3Aemail_email_series_follow_ne= wsletter_02%3Be7HzVn92S0qApqhAj5sloA%3D%3D&midToken=3DAQHs81gzrEnLQw&am= p;midSig=3D3jb81ViogCkYc1&trk=3Deml-email_series_follow_newsletter_02-n= ewsletter_content_preview-0-read_more_banner_cta_&trkEmail=3Deml-email_= series_follow_newsletter_02-newsletter_content_preview-0-read_more_banner_c= ta_-null-niwq2c~mn9zdt3g~c-null-null&eid=3Dniwq2c-mn9zdt3g-c" target=3D= "_blank" tabindex=3D"-1" aria-hidden=3D"true" class=3D"no-underline" style= =3D"color: #0a66c2; cursor: pointer; display: inline-block; text-decoration= : none; -webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; text-de= coration-line: none;"> <span class=3D"no-underline text-white" style=3D"col= or: #ffffff; text-decoration-line: none;"> Read on LinkedIn </span> </a> </= td> </tr> </tbody> </table> </a> </td> </tr> </tbody> </table> </div> </td>= </tr> <tr data-test-id=3D"newsletter-content-preview--content"> <td class= =3D"font-sans text-md leading-open text-system-gray-90" style=3D"-webkit-te= xt-size-adjust: 100%; -ms-text-size-adjust: 100%; mso-table-lspace: 0pt; ms= o-table-rspace: 0pt; font-family: -apple-system, system-ui, BlinkMacSystemF= ont, 'Segoe UI', Roboto, 'Helvetica Neue', 'Fira Sans', Ubuntu, Oxygen, 'Ox= ygen Sans', Cantarell, 'Droid Sans', 'Apple Color Emoji', 'Segoe UI Emoji',= 'Segoe UI Emoji', 'Segoe UI Symbol', 'Lucida Grande', Helvetica, Arial, sa= ns-serif; font-size: 16px; line-height: 1.5; color: #282828;"> <div data-te= st-id=3D"publishing-text-block"> <p class=3D"m-0 mt-1.5 text-md leading-ope= n" style=3D"font-weight: 400; margin: 0px; margin-top: 12px; font-size: 16p= x; line-height: 1.5;"> <span class data-test-id=3D"little-text-block">Verti= cal Seismic Profiling (VSP) is one of the most powerful geophysical techniq= ues used in the oil and gas industry to improve subsurface imaging and redu= ce uncertainty in reservoir characterization. Unlike conventional surface s= eismic surveys, VSP places receivers inside the wellbore, providing higher-= resolution data and more accurate depth information.</span> </p> </div> <hr= data-test-id=3D"publishing-divider-block" class=3D"my-1 h-[1px] border-0 b= g-system-gray-60" style=3D"margin-top: 8px; margin-bottom: 8px; height: 1px= ; border-width: 0; background-color: #8c8c8c;"> <div data-test-id=3D"publis= hing-text-block"> <h3 class=3D"m-0 text-md text-system-gray-90 pt-1 pb-0.5 = leading-regular font-bold" data-test-id=3D"publishing-text-block-h2" style= =3D"margin: 0px; padding-bottom: 4px; padding-top: 8px; font-size: 16px; fo= nt-weight: 600; line-height: 1.25; color: #282828;"> <span class data-test-= id=3D"little-text-block">What is VSP?</span> </h3> </div> <div data-test-id= =3D"publishing-text-block"> <p class=3D"m-0 mt-1.5 text-md leading-open" st= yle=3D"font-weight: 400; margin: 0px; margin-top: 12px; font-size: 16px; li= ne-height: 1.5;"> <span class data-test-id=3D"little-text-block">VSP is a s= eismic measurement method where geophones (or seismic receivers) are deploy= ed down a borehole while a seismic source is activated at the surface. The = recorded signals travel through subsurface layers and are captured at diffe= rent depths, allowing geoscientists to analyze wave behavior in detail.</sp= an> </p> </div> <div data-test-id=3D"publishing-text-block"> <p class=3D"m-= 0 mt-1.5 text-md leading-open" style=3D"font-weight: 400; margin: 0px; marg= in-top: 12px; font-size: 16px; line-height: 1.5;"> <span class data-test-id= =3D"little-text-block">This setup offers a key advantage: it minimizes dist= ortions caused by near-surface conditions, which often degrade the quality = of surface seismic data.</span> </p> </div> <hr data-test-id=3D"publishing-= divider-block" class=3D"my-1 h-[1px] border-0 bg-system-gray-60" style=3D"m= argin-top: 8px; margin-bottom: 8px; height: 1px; border-width: 0; backgroun= d-color: #8c8c8c;"> <div data-test-id=3D"publishing-text-block"> <h3 class= =3D"m-0 text-md text-system-gray-90 pt-1 pb-0.5 leading-regular font-bold" = data-test-id=3D"publishing-text-block-h2" style=3D"margin: 0px; padding-bot= tom: 4px; padding-top: 8px; font-size: 16px; font-weight: 600; line-height:= 1.25; color: #282828;"> <span class data-test-id=3D"little-text-block">Why= VSP is Important</span> </h3> </div> <div data-test-id=3D"publishing-text-= block"> <p class=3D"m-0 mt-1.5 text-md leading-open" style=3D"font-weight: = 400; margin: 0px; margin-top: 12px; font-size: 16px; line-height: 1.5;"> <s= pan class data-test-id=3D"little-text-block">The main goal of VSP is to bri= dge the gap between well data and surface seismic data. While well logs pro= vide high-resolution information at a specific location and surface seismic= offers broader coverage, VSP connects both in terms of time and depth.</sp= an> </p> </div> <div data-test-id=3D"publishing-text-block"> <p class=3D"m-= 0 mt-1.5 text-md leading-open" style=3D"font-weight: 400; margin: 0px; marg= in-top: 12px; font-size: 16px; line-height: 1.5;"> <span class data-test-id= =3D"little-text-block">Key benefits include:</span> </p> </div> <div data-t= est-id=3D"publishing-text-block"> <p class=3D"m-0 mt-1.5 text-md leading-op= en" style=3D"font-weight: 400; margin: 0px; margin-top: 12px; font-size: 16= px; line-height: 1.5;"> <span class data-test-id=3D"little-text-block"> <ul= class=3D"block mt-2 mr-0 ml-3 p-0" data-test-id=3D"little-template-list-un= ordered" style=3D"margin-left: 24px; margin-right: 0px; margin-top: 16px; d= isplay: block; padding: 0px;"> <li class=3D"mt-1.5 ml-2 text-md leading-ope= n text-system-gray-90" style=3D"margin-left: 16px; margin-top: 12px; font-s= ize: 16px; line-height: 1.5; color: #282828;"> <span class=3D"font-[700]" d= ata-test-id=3D"little-text-block" style=3D"font-weight: 700;">Accurate time= -depth relationship</span><span class data-test-id=3D"little-text-block"> V= SP provides precise correlation between seismic time and actual depth, whic= h is critical for interpretation.</span> </li> <li class=3D"mt-1.5 ml-2 tex= t-md leading-open text-system-gray-90" style=3D"margin-left: 16px; margin-t= op: 12px; font-size: 16px; line-height: 1.5; color: #282828;"> <span class= =3D"font-[700]" data-test-id=3D"little-text-block" style=3D"font-weight: 70= 0;">Improved seismic imaging</span><span class data-test-id=3D"little-text-= block"> By recording data closer to the target zones, VSP reduces noise and= enhances resolution.</span> </li> <li class=3D"mt-1.5 ml-2 text-md leading= -open text-system-gray-90" style=3D"margin-left: 16px; margin-top: 12px; fo= nt-size: 16px; line-height: 1.5; color: #282828;"> <span class=3D"font-[700= ]" data-test-id=3D"little-text-block" style=3D"font-weight: 700;">Better un= derstanding of subsurface structures</span><span class data-test-id=3D"litt= le-text-block"> It helps identify faults, fractures, and stratigraphic feat= ures more clearly.</span> </li> <li class=3D"mt-1.5 ml-2 text-md leading-op= en text-system-gray-90" style=3D"margin-left: 16px; margin-top: 12px; font-= size: 16px; line-height: 1.5; color: #282828;"> <span class=3D"font-[700]" = data-test-id=3D"little-text-block" style=3D"font-weight: 700;">Calibration = of surface seismic data</span><span class data-test-id=3D"little-text-block= "> VSP is often used to validate and adjust surface seismic interpretations= .</span> </li> </ul> </span> </p> </div> <span>...</span> </td> </tr> <tr> = <td class=3D"pt-2 no-underline" style=3D"-webkit-text-size-adjust: 100%; -m= s-text-size-adjust: 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt; pad= ding-top: 16px; text-decoration-line: none;"> <table role=3D"presentation" = valign=3D"top" border=3D"0" cellspacing=3D"0" cellpadding=3D"0" width=3D"10= 0%" class=3D"email-button series-content-preview__bottom-cta" data-test-id= =3D"email-button" style=3D"-webkit-text-size-adjust: 100%; -ms-text-size-ad= just: 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt;"> <tbody> <tr> <t= d valign=3D"middle" align=3D"left" style=3D"-webkit-text-size-adjust: 100%;= -ms-text-size-adjust: 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt;"= > <a href=3D"https://www.linkedin.com/comm/pulse/vertical-seismic-profiling= -vsp-deeper-look-subsurface-renaf?lipi=3Durn%3Ali%3Apage%3Aemail_email_seri= es_follow_newsletter_02%3Be7HzVn92S0qApqhAj5sloA%3D%3D&midToken=3DAQHs8= 1gzrEnLQw&midSig=3D3jb81ViogCkYc1&trk=3Deml-email_series_follow_new= sletter_02-newsletter_content_preview-0-readmore_button_&trkEmail=3Deml= -email_series_follow_newsletter_02-newsletter_content_preview-0-readmore_bu= tton_-null-niwq2c~mn9zdt3g~c-null-null&eid=3Dniwq2c-mn9zdt3g-c" target= =3D"_blank" aria-label=3D"Open Reservoir Solutions (RES) on LinkedIn" class= =3D"align-top no-underline " style=3D"color: #0a66c2; cursor: pointer; disp= lay: inline-block; text-decoration: none; -webkit-text-size-adjust: 100%; -= ms-text-size-adjust: 100%; vertical-align: top; text-decoration-line: none;= width: 100%;"> <table role=3D"presentation" valign=3D"top" border=3D"0" ce= llspacing=3D"0" cellpadding=3D"0" width=3D"100%" class=3D"border-separate "= style=3D"-webkit-text-size-adjust: 100%; 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line-height: 1.25; min-height: auto !important; box-shadow: 0 0 #0000, 0= 0 #0000, 0 0 #0000 !important;"> <a href=3D"https://www.linkedin.com/comm/= pulse/vertical-seismic-profiling-vsp-deeper-look-subsurface-renaf?lipi=3Dur= n%3Ali%3Apage%3Aemail_email_series_follow_newsletter_02%3Be7HzVn92S0qApqhAj= 5sloA%3D%3D&midToken=3DAQHs81gzrEnLQw&midSig=3D3jb81ViogCkYc1&t= rk=3Deml-email_series_follow_newsletter_02-newsletter_content_preview-0-rea= dmore_button_&trkEmail=3Deml-email_series_follow_newsletter_02-newslett= er_content_preview-0-readmore_button_-null-niwq2c~mn9zdt3g~c-null-null&= eid=3Dniwq2c-mn9zdt3g-c" target=3D"_blank" tabindex=3D"-1" aria-hidden=3D"t= rue" class=3D"no-underline" style=3D"color: #0a66c2; cursor: pointer; displ= ay: inline-block; text-decoration: none; -webkit-text-size-adjust: 100%; -m= s-text-size-adjust: 100%; text-decoration-line: none; width: 100%;"> <span = class=3D"no-underline text-color-brand" style=3D"color: #0a66c2; text-decor= ation-line: none;"> Keep reading on LinkedIn </span> </a> </td> </tr> </tbo= dy> </table> </a> </td> </tr> </tbody> </table> </td> </tr> </tbody> </tabl= e> </td> </tr> </tbody> </table> </td> </tr> </tbody> </table> </td> </tr> = </tbody> </table> </div> </td> </tr> <tr> <td class=3D"bg-color-background-= canvas p-3" style=3D"-webkit-text-size-adjust: 100%; -ms-text-size-adjust: = 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt; background-color: #f3f2= f0; padding: 24px;"> <table role=3D"presentation" valign=3D"top" border=3D"= 0" cellspacing=3D"0" cellpadding=3D"0" width=3D"100%" class=3D"text-xs" sty= le=3D"-webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; mso-table= -lspace: 0pt; mso-table-rspace: 0pt; font-size: 12px;"> <tbody> <tr> <td cl= ass=3D"pb-1 m-0" data-test-id=3D"email-footer__intended" style=3D"-webkit-t= ext-size-adjust: 100%; -ms-text-size-adjust: 100%; mso-table-lspace: 0pt; m= so-table-rspace: 0pt; margin: 0px; padding-bottom: 8px;"> This email was in= tended for Alvaro Chaveste Jr. (TraceSeis, Inc: Mapping the Subsurface with= Measured Precision.) </td> </tr> <tr> <td class=3D"pb-1 m-0" style=3D"-web= kit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; mso-table-lspace: 0= pt; mso-table-rspace: 0pt; margin: 0px; padding-bottom: 8px;"> <a href=3D"h= ttps://www.linkedin.com/help/linkedin/answer/4788?lang=3Den&lipi=3Durn%= 3Ali%3Apage%3Aemail_email_series_follow_newsletter_02%3Be7HzVn92S0qApqhAj5s= loA%3D%3D&midToken=3DAQHs81gzrEnLQw&midSig=3D3jb81ViogCkYc1&trk= =3Deml-email_series_follow_newsletter_02-SecurityHelp-0-footerglimmer&t= rkEmail=3Deml-email_series_follow_newsletter_02-SecurityHelp-0-footerglimme= r-null-niwq2c~mn9zdt3g~c-null-null&eid=3Dniwq2c-mn9zdt3g-c" target=3D"_= blank" class=3D"text-inherit underline" style=3D"cursor: pointer; 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