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1. (WO2014204969) MULTI POWER LAUNCH SYSTEM FOR PRESSURE DIFFERENTIAL DEVICE
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2014/204969 International Application No.: PCT/US2014/042753
Publication Date: 24.12.2014 International Filing Date: 17.06.2014
IPC:
E21B 43/12 (2006.01) ,E21B 21/08 (2006.01) ,E21B 43/16 (2006.01)
E FIXED CONSTRUCTIONS
21
EARTH OR ROCK DRILLING; MINING
B
EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
43
Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
12
Methods or apparatus for controlling the flow of the obtained fluid to or in wells
E FIXED CONSTRUCTIONS
21
EARTH OR ROCK DRILLING; MINING
B
EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
21
Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
08
Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
E FIXED CONSTRUCTIONS
21
EARTH OR ROCK DRILLING; MINING
B
EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
43
Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
16
Enhanced recovery methods for obtaining hydrocarbons
Applicants:
BAKER HUGHES INCORPORATED [US/US]; P.O. Box 4740 Houston, TX 77210, US
Inventors:
HE, Zhe, Y.; US
Agent:
HENDRYX, Thomas, N.; US
Priority Data:
13/920,74118.06.2013US
Title (EN) MULTI POWER LAUNCH SYSTEM FOR PRESSURE DIFFERENTIAL DEVICE
(FR) SYSTÈME DE LANCEMENT À PUISSANCES MULTIPLES POUR DISPOSITIF À DIFFÉRENCE DE PRESSION
Abstract:
(EN) An injection mandrel may include a valve controlling the flow of the injection fluid. A valve actuator operatively connected to the valve sequentially generates a first predetermined pressure and a larger second predetermined pressure in the valve. The valve actuator generates the second predetermined pressure in the valve in response to a predetermined change in a pressure at an annulus surrounding the mandrel.
(FR) Mandrin d'injection pouvant comprendre une soupape régulant l'écoulement du fluide d'injection. Un actionneur de soupape fonctionnellement relié à la soupape génère séquentiellement une première pression prédéfinie et une seconde pression prédéfinie plus importante dans la soupape. L'actionneur de soupape génère la seconde pression prédéfinie dans la soupape en réaction à un changement de pression prédéfini au niveau d'un espace annulaire entourant le mandrin.
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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, 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, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, 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, 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)