{"id":1298,"date":"2020-10-26T15:54:53","date_gmt":"2020-10-26T12:54:53","guid":{"rendered":"https:\/\/adcr.ru\/?p=1298"},"modified":"2020-10-26T16:00:17","modified_gmt":"2020-10-26T13:00:17","slug":"2012-2-8","status":"publish","type":"post","link":"https:\/\/adcr.ru\/en\/2012-2-8\/","title":{"rendered":"\"REPORTER of the Association of Drilling Contractors\" N 2, 2012"},"content":{"rendered":"
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APPLICATION OF CEMENT SLURRIES CONTAINING GAS BLOCKING AGENTS FOR THE CEMENTING OF CASINGS IN ENVIRONMENTS WITH ABNORMALLY HIGH FORMATION PRESSURE AND HIGH TEMPERATURES.<\/strong>
Beley, Ivan I. \u2013 Cand.Tech.Sci., senior scientific employee, well cementing department, LLC \u201cTyumenNIIgiprogaz\u201d, info@tngg.info info@tngg.info<\/a>
Kuyabin, Andrey G. \u2013 head of cementing slurries laboratory , LLC \u201cTyumenNIIgiprogaz\u201d, info@tngg.info info@tngg.info<\/a>
Marinin, Valery I. \u2013 Cand.Tech.Sci., deputy general director and chief geologist, LLC \u201cGazprom dobycha Urengoy\u201d, urengoigazprom@ugp.gazprom.ru urengoigazprom@ugp.gazprom.ru<\/a>
Khubatulin, Ravil M. \u2013 engineer 1st grade, well drilling department, LLC \u201cGazprom dobycha Urengoy\u201d, urengoigazprom@ugp.gazprom.ru urengoigazprom@ugp.gazprom.ru<\/a>
Lazarev, Vladimir B. \u2013 deputy head of operations, CCS branch, LLC \u201cGazprom burenie\u201d, mail@burgaz.ru mail@burgaz.ru<\/a>
Ivanishin, Mikhail A. \u2013 first deputy director, chief engineer, Urengoy Burenie branch of LLC \u201cGazprom burenie\u201d, mail@burgaz.ru mail@burgaz.ru<\/a>
Kazantsev, Vladimir V. \u2013 head of department, OJSC NTF \u201cEfiry Tsellulozy\u201d, info@efcell.ru info@efcell.ru<\/a>
Antonenko, Denis V. \u2013 head of well cementing department, LLC \u201cService Centre SMB\u201d, mail@sbmpost.ru
\u041e\u041e\u041e \u00ab\u0421\u0435\u0440\u0432\u0438\u0441\u043d\u044b\u0439 \u0446\u0435\u043d\u0442\u0440 \u0421\u0411\u041c\u00bb, mail@sbmpost.ru<\/a><\/em><\/strong><\/p>\n

\u0423\u0414\u041a 622.24<\/strong>
Key words: cement slurry, permeability blocker, casing, cement job, overpressure.<\/em>
\u0412<\/span>The article reviews the issues of cement jobs in exploration wells drilled in HPHT gas-bearing formations. To prevent gas migration during casing string cementing, various compositions of cement slurries furnished with chemical permeability blockers. Given low fluid loss, these chemicals provide for short cement gellation period and speedy structurization in the course of cement hardening.
Field tests of cement slurries complete with chemical gas blocker were run while running cement job on 140 mm production casing in exploration well No. 614 in Yen-Yakha area (4,070 m setting depth). Combined with other engineering solutions (e.g., mixing total cement volume on the surface, additional backpressure generation for the duration of bottomhole cement portion gellation, etc.) cement systems with enhanced permeability blocking capacity proved reliable means of prevetion of WOC gas migration.<\/p>\n

APPLICATION OF CEMENT SLURRIES CONTAINING GAS BLOCKING AGENTS FOR THE CEMENTING OF CASINGS IN ENVIRONMENTS WITH ABNORMALLY HIGH FORMATION PRESSURE AND HIGH TEMPERATURES.<\/strong>
Beley, Ivan I. \u2013 Cand.Tech.Sci., senior scientific employee, well cementing department, LLC \u201cTyumenNIIgiprogaz\u201d, info@tngg.info<\/a>
Kuyabin, Andrey G. \u2013 head of cementing slurries laboratory , LLC \u201cTyumenNIIgiprogaz\u201d, info@tngg.info<\/a>
Marinin, Valery I. \u2013 Cand.Tech.Sci., deputy general director and chief geologist, LLC \u201cGazprom dobycha Urengoy\u201d, urengoigazprom@ugp.gazprom.ru<\/a>
Khubatulin, Ravil M. \u2013 engineer 1st grade, well drilling department,\u00a0 LLC \u201cGazprom dobycha Urengoy\u201d, urengoigazprom@ugp.gazprom.ru<\/a>
Lazarev, Vladimir B. \u2013 deputy head of operations, CCS branch, LLC \u201cGazprom burenie\u201d, mail@burgaz.ru<\/a>
Ivanishin, Mikhail A. \u2013 first deputy director, chief engineer, Urengoy Burenie branch of LLC \u201cGazprom burenie\u201d, mail@burgaz.ru<\/a>
Kazantsev, Vladimir V. \u2013 head of department, OJSC NTF \u201cEfiry Tsellulozy\u201d, info@efcell.ru<\/a>
Antonenko, Denis V. \u2013 head of well cementing department, LLC \u201cService Centre SMB\u201d, mail@sbmpost.ru<\/a><\/em><\/strong><\/p>\n

Key words: cement slurry, permeability blocker, casing, cement job, overpressure. <\/em>
T<\/span>he article reviews the issues of cement jobs in exploration wells drilled in HPHT gas-bearing formations. To prevent gas migration during casing string cementing, various compositions of cement slurries furnished with chemical permeability blockers. Given low fluid loss, these chemicals provide for short cement gellation period and speedy structurization in the course of cement hardening. Field tests of cement slurries complete with chemical gas blocker were run while running cement job on 140 mm production casing in exploration well No. 614 in Yen-Yakha area (4,070 m setting depth). Combined with other engineering solutions (e.g., mixing total cement volume on the surface, additional backpressure generation for the duration of bottomhole cement portion gellation, etc.) cement systems with enhanced permeability blocking capacity proved reliable means of prevetion of WOC gas migration.<\/p>\n

\u00a0<\/strong><\/h3>\n

\u00a0<\/p>\n

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