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Применить Всего найдено 3. Отображено 3.
02-01-2019 дата публикации

Modification of bentonite properties for drilling fluids

Номер: EP3420046A1
Принадлежит: Saudi Arabian Oil Co

Disclosed is a method for modifying bentonite to allow the bentonite to be useful in drilling mud applications. The method includes the steps of: preparing bentonite local to Saudi Arabia using raw water to remove contaminants from the bentonite; grinding the bentonite to a fine powder; sieving the fine powder to be between about 50 μm and about 150 μm in particle size to produce a sieved fine powder; mixing the sieved fine powder with polyanionic cellulose polymer to produce a modified bentonite composition; adding the modified bentonite composition to water until a homogeneous solution of modified bentonite in water is formed; and allowing the homogeneous solution of modified bentonite in water to rest for about 16 hours to form a composition useful in drilling mud applications.

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27-09-2018 дата публикации

Modification of bentonite properties for drilling fluids

Номер: SG11201807362SA
Принадлежит: Saudi Arabian Oil Co

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date WO 2017/173207 Al 5 October 2017 (05.10.2017) WIPO I PCT 111111111111110111011111111111010111110111010111110111010111111111111111111110111111 W O 20 1717 / 3 207 Al (51) International Patent Classification: C09K 8/03 (2006.01) CO9C 1/42 (2006.01) (21) International Application Number: PCT/US2017/025253 (22) International Filing Date: 31 March 2017 (31.03.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 15/088,990 1 April 2016 (01.04.2016) US (71) Applicant: SAUDI ARABIAN OIL COMPANY [SA/SA]; 1 Eastern Avenue, Dhahran 31311 (SA). (71) Applicant AG only): ARAMCO SERVICES COM- PANY [US/US]; 9009 West Loop South, Houston, TX 77096 (US). (72) Inventors: AL-SHAFEL, Mansour, A.; P.O. Box 8617, Saudi Arabian Oil Company-Saudi Aramco, Dhahran 31311 (SA). ALFLIOW, Akram, A.; Saudi Arabian Oil Company, P.O. Box 7126, Saudi Aramco, Dhahran 31311 (SA). AL-MOFLEH, Awad, M.; Saudi Arabian Oil Com- pany, P.O. Box 01601, Saudi Aramco, Dhahran 31311 (SA). AL-AAMRI, Jamal, M.; Saudi Arabian Oil Com- pany, P.O. Box 5000, Saudi Aramco, Dhahran 31311 (SA). AZAIDI, Syed Rehan, Ahmad; Saudi Arabian Oil Com- pany, P.O. Box 62, Saudi Aramco, Dhahran 31311 (SA). AL-TUWAILIB, Amer, A.; Saudi Arabian Oil Company, P.O. Box 12468, Saudi Aramco, Dhahran 31311 (SA). (74) Agent: RHEBERGEN, Constance, Gall; Bracewell LLP, P.O. Box 61389, Houston, TX 77208-1389 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, ...

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05-10-2017 дата публикации

Modification of bentonite properties for drilling fluids

Номер: WO2017173207A1

Disclosed is a method for modifying bentonite to allow the bentonite to be useful in drilling mud applications. The method includes the steps of: preparing bentonite local to Saudi Arabia using raw water to remove contaminants from the bentonite; grinding the bentonite to a fine powder; sieving the fine powder to be between about 50 μm and about 150 μm in particle size to produce a sieved fine powder; mixing the sieved fine powder with polyanionic cellulose polymer to produce a modified bentonite composition; adding the modified bentonite composition to water until a homogeneous solution of modified bentonite in water is formed; and allowing the homogeneous solution of modified bentonite in water to rest for about 16 hours to form a composition useful in drilling mud applications.

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