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1. (WO2017137789) RELEASE OF EXPANSION AGENTS FOR WELL CEMENTING
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/137789 International Application No.: PCT/IB2016/000270
Publication Date: 17.08.2017 International Filing Date: 11.02.2016
IPC:
C04B 22/00 (2006.01) ,C04B 28/02 (2006.01) ,C04B 20/10 (2006.01) ,C09K 8/467 (2006.01) ,C09K 8/493 (2006.01)
C CHEMISTRY; METALLURGY
04
CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
B
LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
22
Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators
C CHEMISTRY; METALLURGY
04
CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
B
LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
28
Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
02
containing hydraulic cements other than calcium sulfates
C CHEMISTRY; METALLURGY
04
CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
B
LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
20
Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/-C04B18/159; Treatment of materials according to more than one of the groups C04B14/-C04B18/116; Expanding or defibrillating materials
10
Coating or impregnating
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
K
MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
8
Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
42
Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
46
containing inorganic binders, e.g. Portland cement
467
containing additives for specific purposes
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
K
MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
8
Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
42
Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
46
containing inorganic binders, e.g. Portland cement
467
containing additives for specific purposes
493
Additives for reducing or preventing gas migration
Applicants:
SERVICES PETROLIERS SCHLUMBERGER [FR/FR]; 42 rue Saint Dominique 75007 Paris, FR (FR)
SCHLUMBERGER TECHNOLOGY B.V. [NL/NL]; Parkstraat 83-89 2514 JG The Hague, NL (AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BE, BF, BG, BH, BJ, BN, BR, BW, BY, BZ, CF, CG, CH, CI, CL, CM, CN, CO, CR, CU, CY, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GA, GB, GD, GE, GH, GM, GN, GQ, GR, GT, GW, HN, HR, HU, ID, IE, IL, IN, IR, IS, IT, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MC, MD, ME, MG, MK, ML, MN, MR, MT, MW, MX, MY, MZ, NA, NE, NG, NI, NL, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SI, SK, SL, SM, SN, ST, SV, SY, SZ, TD, TG, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, UZ, VC, VN, ZA, ZM, ZW)
SCHLUMBERGER CANADA LIMITED [CA/CA]; 525-3rd Avenue S.W. Calgary, Alberta T2P 0G4, CA (CA)
SCHLUMBERGER TECHNOLOGY CORPORATION [US/US]; 300 Schlumberger Drive Sugar Land, TX 77478, US (US)
Inventors:
DROGER, Nicolas; FR
ALLOUCHE, Mickael; FR
Agent:
LEONORI, Céline; Etudes et Productions Schlumberger 1, rue Henri Becquerel BP 202 92142 Clamart Cedex, FR
Priority Data:
Title (EN) RELEASE OF EXPANSION AGENTS FOR WELL CEMENTING
(FR) LIBÉRATION D’AGENT DE DILATATION POUR CIMENTATION DE PUITS
Abstract:
(EN) Pre-stressed cementing methods involve preparing a cement slurry containing water, inorganic cement, and capsules of an expanding agent. The slurry is placed in an annular region in the well and hardened. Expansion of the set cement is delayed. Water infiltration activates the expanding agent to rupture the capsules and release the expanding agent. The expanding agent reacts to expand the set cement to a state of compression within the annular region. The state of compression can be maintained during changes in casing dimensions from temperature or pressure, mechanical disturbance, or mud contamination. The state of compression in the annular region may be monitored by acoustic impedance measurements.
(FR) Des procédés de cimentation précontrainte mettent en œuvre la préparation d’un coulis de ciment contenant de l’eau, un ciment inorganique et des capsules d’un agent de dilatation. Le coulis est placé dans une région annulaire dans le puits et durci. La dilatation du ciment durci est retardée. L’infiltration d’eau active l’agent de dilatation de manière à rompre les capsules et libérer l’agent de dilatation. L’agent de dilatation réagit de manière à dilater le ciment durci dans un état de compression dans la région annulaire. L’état de compression peut être maintenu pendant des changements des dimensions de tubage dus à une température ou une pression, une perturbation mécanique ou une contamination de boue. L’état de compression dans la région annulaire peut être surveillé par des mesures d’impédance acoustique.
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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, 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 Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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)
Also published as:
US20190048250