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1. (WO2018222687) METHOD OF USING AN IRON ADDITIVE AS A MEDIA SUPPLEMENT FOR DETECTION OF SULFATE REDUCING BACTERIA
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Pub. No.: WO/2018/222687 International Application No.: PCT/US2018/035084
Publication Date: 06.12.2018 International Filing Date: 30.05.2018
IPC:
C12Q 1/04 (2006.01) ,C12Q 1/06 (2006.01)
C CHEMISTRY; METALLURGY
12
BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
Q
MEASURING OR TESTING PROCESSES INVOLVING ENZYMES OR MICRO-ORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
1
Measuring or testing processes involving enzymes or micro-organisms; Compositions therefor; Processes of preparing such compositions
02
involving viable micro-organisms
04
Determining presence or kind of micro-organism; Use of selective media for testing antibiotics or bacteriocides; Compositions containing a chemical indicator therefor
C CHEMISTRY; METALLURGY
12
BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
Q
MEASURING OR TESTING PROCESSES INVOLVING ENZYMES OR MICRO-ORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
1
Measuring or testing processes involving enzymes or micro-organisms; Compositions therefor; Processes of preparing such compositions
02
involving viable micro-organisms
04
Determining presence or kind of micro-organism; Use of selective media for testing antibiotics or bacteriocides; Compositions containing a chemical indicator therefor
06
Quantitative determination
Applicants:
SAUDI ARABIAN OIL COMPANY [SA/SA]; 1 Eastern Avenue Dhahran, 31311, SA
ARAMCO SERVICES COMPANY [US/US]; 9009 West Loop South Houston, TX 77096, US (US)
Inventors:
AL-HUMAM, Abdulmohsen, A.; SA
AL-HUMAID, Ghassan, A.; SA
Agent:
ELLIS, Edward, J.; US
LEASON, David; US
Priority Data:
15/612,35802.06.2017US
Title (EN) METHOD OF USING AN IRON ADDITIVE AS A MEDIA SUPPLEMENT FOR DETECTION OF SULFATE REDUCING BACTERIA
(FR) PROCÉDÉ D'UTILISATION D'UN ADDITIF DE FER EN TANT QUE SUPPLÉMENT DE MILIEU POUR LA DÉTECTION DE BACTÉRIES SULFATORÉDUCTRICES
Abstract:
(EN) According to the present invention a method of determining a concentration of sulfate reducing bacteria (SRB) comprising is provided. The method comprises preparing a standard growth medium in a group of test vials, adding ferrous chloride tetrahydrate (FCTH) to the each of the test vials, adding a sample portion to a first of the group of test vials, sequentially diluting the sample portion by injecting succeeding vials in the test group with fluid from sequentially previous vials and incubating the group of test vials, wherein blackening of fluid in an incubated test vial indicates a presence of a threshold number of SRB.
(FR) Selon la présente invention, un procédé de détermination d'une concentration de bactéries sulfatoréductrices (SRB) est décrit. Le procédé consiste à préparer un milieu de croissance standard dans un groupe de flacons de test, à ajouter du tétrahydrate de chlorure ferreux (FCTH) dans chacun des flacons de test, à ajouter une partie d'échantillon dans un premier flacon du groupe de flacons de test, à diluer dans l'ordre la partie d'échantillon par l'injection d'un fluide provenant des flacons précédents selon cet ordre dans les flacons successifs du groupe de test et à incuber le groupe de flacons de test, le noircissement du fluide dans un flacon de test incubé indiquant la présence d'un nombre seuil de SRB.
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Designated States: 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, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)