CN104610948A - Phosphoaluminate cement paste for deep sea cementing and shallow flow disaster prevention - Google Patents
Phosphoaluminate cement paste for deep sea cementing and shallow flow disaster prevention Download PDFInfo
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- CN104610948A CN104610948A CN201510053703.5A CN201510053703A CN104610948A CN 104610948 A CN104610948 A CN 104610948A CN 201510053703 A CN201510053703 A CN 201510053703A CN 104610948 A CN104610948 A CN 104610948A
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- grout
- defoamer
- acrylamide
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
- C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—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
- C04B28/34—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 containing cold phosphate binders
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
- C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
- C09K8/473—Density reducing additives, e.g. for obtaining foamed cement compositions
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
- C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
- C09K8/487—Fluid loss control additives; Additives for reducing or preventing circulation loss
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Structural Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses phosphoaluminate cement paste for deep sea cementing and shallow flow disaster prevention. The cement paste comprises the following components in parts by weight: 100 parts of mixed cement, 0.2-0.4 part of a defoamer, 3.5-4 parts of a fluid loss agent, 1-1.5 parts of a coagulant, 0.2-0.5 part of a retarder, 48-75 parts of seawater and 0-35 parts of a lightening admixture. The cement paste for deep sea cementing and shallow flow disaster prevention has the following advantages: (1) the development of low-temperature strength is quick and compressive strength at a low temperature is relatively high; (2) the thickening time is short and the thickening curve is approximate to right angle thickening, thereby effectively preventing the shallow flow disaster; and (3) the cement paste has the characteristics of zero free fluid content, relatively small filter loss, adjustable thickening time and the like.
Description
Technical field
The present invention relates to a kind of control shallow-layer stream disaster grout, particularly relate to a kind of deep water cementing anti-shallow-layer stream phosphor aluminate cement slurry, belong to deep water hydrocarbon resources exploration and bore completion field.
Background technology
Along with the increase of marine oil reserves exploitation ratio, offshore oil drilling progressively develops to deepwater regions to find new petroleum resources, but the various challenges caused due to the depth of water do industrial belt more stern challenge to deep water cementing, the impact of its mesohigh shallow-layer stream is one of larger difficulty of facing of deep water cementing operation.
Shallow-layer stream comprises shallow-layer stream and shallow gas, trap is below mud line in the stratum of about 150 ~ 1000 meters, shallow-layer stream is large especially to well cementing operation harm, on the one hand, shallow-layer flows through and often causes well excessively to wash away, hole-size elongation, the clean difficulty of well, well cementation is impacted, causes well cementation interface agglutination bad, produce gap.On the other hand, in casing and cementing, grout is in the solidifying process of time, shallow-layer high pressure fluid will be gushed out weak sedimentary formation, in invasion water mud, fluid is caused to alter, groove is altered in generation, affects Behavior of Hardened Cement Paste bonding capacity, reduces the annular space sealing effect of cement, risk is brought to well cementing operation, seriously may cause blowout, the disaster such as well head subsides, fire, jeopardize operation and the production safety of whole well, existing cement slurry is difficult to solidify under tying up to deep water shallow-layer stream environment, and multiviscosisty transformation time is longer, low temperature intensity development performance is also poor.
Summary of the invention
The object of this invention is to provide a kind of deep water cementing and control shallow-layer stream disaster grout, this grout can use under deep water shallow-layer stream environment, and there is thickening time adjustable, cement slurry density and dehydration is controlled, low temperature intensity development rapidly, the feature such as high, the short transient time of early strength and good anti-channeling performance.
Deep water cementing provided by the invention controls shallow-layer stream disaster grout, and it comprises following component: mediation cement, defoamer, water retaining, setting accelerator, retardant and seawater.
In above-mentioned grout, described grout also comprises light-weight additive.
In above-mentioned grout, described grout is by following 1) and 2) in any one component form:
1) mediation cement, defoamer, water retaining, setting accelerator, retardant, seawater;
2) mediation cement, defoamer, water retaining, setting accelerator, retardant, light-weight additive and seawater.
In above-mentioned grout, each ingredients weight parts is as follows:
Mediation cement: 100 parts
Defoamer: 0.2 ~ 0.4 part
Water retaining: 3.5 ~ 4 parts
Setting accelerator: 1 ~ 1.5 part
Retardant: 0.2 ~ 0.5 part
Light-weight additive: 0 ~ 35 part
Seawater: 48 ~ 75 parts.
Above-mentioned deep water cementing controls shallow-layer stream disaster grout and specifically can be following 1)-9) in any one:
1) be made up of the component of following mass parts:
Mediation cement: 100 parts, defoamer: 0.2 part, water retaining: 4 parts, setting accelerator: 1.5 parts, retardant: 0.5 part, light-weight additive: 0 ~ 20 part, seawater: 48 ~ 58 parts;
2) be made up of the component of following mass parts:
Mediation cement: 100 parts, defoamer: 0.2 part, water retaining: 4 parts, setting accelerator: 1.5 parts, retardant: 0.5 part, light-weight additive: 12 ~ 35 parts, seawater: 53 ~ 75 parts;
3) be made up of the component of following mass parts:
Mediation cement: 100 parts, defoamer: 0.2 part, water retaining: 4 parts, setting accelerator: 1.5 parts, retardant: 0.5 part, light-weight additive: 7 ~ 31 parts, seawater: 50 ~ 65 parts;
4) be made up of the component of following mass parts:
Mediation cement: 100 parts, defoamer: 0.2 part, water retaining: 4 parts, setting accelerator: 1.5 parts, retardant: 0.5 part, light-weight additive: 0 part, seawater: 48 parts;
5) be made up of the component of following mass parts:
Mediation cement: 100 parts, defoamer: 0.2 part, water retaining: 4 parts, setting accelerator: 1.5 parts, retardant: 0.5 part, light-weight additive: 7 parts, seawater: 50 parts;
6) be made up of the component of following mass parts:
Mediation cement: 100 parts, defoamer: 0.2 part, water retaining: 4 parts, setting accelerator: 1.5 parts, retardant: 0.5 part, light-weight additive: 12 parts, seawater: 53 parts;
7) be made up of the component of following mass parts:
Mediation cement: 100 parts, defoamer: 0.2 part, water retaining: 4 parts, setting accelerator: 1.5 parts, retardant: 0.5 part, light-weight additive: 20 parts, seawater: 58 parts;
8) be made up of the component of following mass parts:
Mediation cement: 100 parts, defoamer: 0.2 part, water retaining: 4 parts, setting accelerator: 1.5 parts, retardant: 0.5 part, light-weight additive: 31 parts, seawater: 65 parts;
9) be made up of the component of following mass parts:
Mediation cement: 100 parts, defoamer: 0.2 part, water retaining: 4 parts, setting accelerator: 1.5 parts, retardant: 0.5 part, light-weight additive: 35 parts, seawater: 75 parts.
In above-mentioned grout, described mediation cement can be made up of the phosphor aluminate cement of 90% and the ultrafine high activity slag of 10%; Described ultrafine high activity slag particle diameter is 20 ~ 90 μm.
In above-mentioned grout, described defoamer can be silicone oil defoamer, and the commercial disignation provided as COSL is the silicon oil foam killer of CX66L.
In above-mentioned grout, described water retaining can be high molecular weight water soluble polymer; Described high molecular weight water soluble polymer can be at least one in acrylamide-2-acrylamide-2-methyl propane sulfonic multipolymer and acrylamide-sodium acrylate copolymer; The number-average molecular weight of described acrylamide-2-acrylamide-2-methyl propane sulfonic multipolymer can be 2 × 10
5g/mol ~ 1 × 10
6g/mol, specifically can be 9 × 10
5g/mol, the number-average molecular weight of described acrylamide-sodium acrylate copolymer can be 2 × 10
5g/mol ~ 1 × 10
6g/mol, specifically can be 7 × 10
5g/mol.
In above-mentioned grout, described setting accelerator can be at least one in sodium sulfate, Repone K, SODIUMNITRATE, sodium metaaluminate, potassium silicate, sodium formiate, lithium chloride, potassium formiate and calcium chloride.
In above-mentioned grout, described retardant can be at least one in citric acid, boric acid, borate and organophosphate; Described organophosphate specifically can be ethylene diamine tetra methylene phosphonic acid sodium.
In above-mentioned grout, described light-weight additive can be hollow glass micropearl; The material of described hollow glass micropearl can be silicic-boric acid calcium salt; The density of described hollow glass micropearl can be 0.4 ~ 0.8kg/L, specifically can be 0.44g/cm
3; Under 70MPa pressure, the residual motility rate of described hollow glass micropearl is more than 90%, water insoluble and oily, has incompressibility, in low alkalinity, has compatibility with most resinous matter, has the function reducing viscosity and improve liquidity.
Deep water cementing of the present invention controls shallow-layer stream disaster grout and has the following advantages:
(1) low temperature intensity development is fast, and under low temperature, ultimate compression strength is higher;
(2) thickening time is short, the nearly short transient time of multiviscosisty curve, effectively can prevent shallow-layer stream disaster;
(3) features such as this grout has free liquid is zero, and filter loss less and thickening time is adjustable.
Embodiment
The experimental technique used in following embodiment if no special instructions, is ordinary method.
Material used in following embodiment, reagent etc., if no special instructions, all can obtain from commercial channels.
Mediation cement in following embodiment is made up of the phosphor aluminate cement of 90% and the ultrafine high activity slag (particle diameter is 20 ~ 90 μm) of 10%, all buys in Jingzhou Jiahua Technology Co., Ltd..
Seawater in following embodiment is all from South China Sea deep sea water.
Defoamer in following embodiment is silicon oil foam killer, buys in COSL, and commercial disignation is CX66L.
Acrylamide-2-acrylamide-2-methyl propane sulfonic multipolymer in following embodiment is purchased from COSL.
Light-weight additive in following embodiment is hollow glass micropearl, purchased from Hebei Fang Sheng petroleum assistant Science and Technology Ltd..
The preparation controlling shallow-layer stream disaster grout of embodiment 1, deep water cementing
Each component is taken according to following formula:
Be in harmonious proportion cement 100kg, seawater 75kg, silicon oil foam killer CX66L 0.2kg, (number-average molecular weight is 9 × 10 to acrylamide-2-acrylamide-2-methyl propane sulfonic multipolymer
5g/mol) (density is 0.44g/cm for 4kg, lithium chloride 1.5kg, boric acid 0.5kg, hollow glass micropearl
3) 35kg.
Preparation method: required solid material is pre-mixed evenly stand-by, then after being mixed by fluent material, add the solid material be pre-mixed, and stir and obtain controlling shallow-layer stream disaster grout.
The preparation controlling shallow-layer stream disaster grout of embodiment 2, deep water cementing
Each component is taken according to following formula:
Be in harmonious proportion cement 100kg, seawater 65kg, silicon oil foam killer CX66L0.2kg, (number-average molecular weight is 9 × 10 to acrylamide-2-acrylamide-2-methyl propane sulfonic multipolymer
5g/mol) (density is 0.44g/cm for 4kg, lithium chloride 1.5kg, boric acid 0.5kg, hollow glass micropearl
3) 31kg.
Preparation method: required solid material is pre-mixed evenly stand-by, then after being mixed by fluent material, add the solid material be pre-mixed, and stir and obtain controlling shallow-layer stream disaster grout.
The preparation controlling shallow-layer stream disaster grout of embodiment 3, deep water cementing
Each component is taken according to following formula:
Be in harmonious proportion cement 100kg, seawater 58kg, silicon oil foam killer CX66L 0.2kg, (number-average molecular weight is 9 × 10 to acrylamide-2-acrylamide-2-methyl propane sulfonic multipolymer
5g/mol) (density is 0.44g/cm for 4kg, lithium chloride 1.5kg, boric acid 0.5kg, hollow glass micropearl
3) 20kg.
Preparation method: required solid material is pre-mixed evenly stand-by, then after being mixed by fluent material, add the solid material be pre-mixed, and stir and obtain controlling shallow-layer stream disaster grout.
The preparation controlling shallow-layer stream disaster grout of embodiment 4, deep water cementing
Each component is taken according to following formula:
Be in harmonious proportion cement 100kg, seawater 53kg, silicon oil foam killer CX66L 0.2kg, (number-average molecular weight is 9 × 10 to acrylamide-2-acrylamide-2-methyl propane sulfonic multipolymer
5g/mol) (density is 0.44g/cm for 4kg, lithium chloride 1.5kg, boric acid 0.5kg, hollow glass micropearl
3) 12kg.
Preparation method: required solid material is pre-mixed evenly stand-by, then after being mixed by fluent material, add the solid material be pre-mixed, and stir and obtain controlling shallow-layer stream disaster grout.
The preparation controlling shallow-layer stream disaster grout of embodiment 5, deep water cementing
Each component is taken according to following formula:
Be in harmonious proportion cement 100kg, seawater 50kg, silicon oil foam killer CX66L 0.2kg, (number-average molecular weight is 9 × 10 to acrylamide-2-acrylamide-2-methyl propane sulfonic multipolymer
5g/mol) (density is 0.44g/cm for 4kg, lithium chloride 1.5kg, boric acid 0.5kg, hollow glass micropearl
3) 7kg.
Preparation method: required solid material is pre-mixed evenly stand-by, then after being mixed by fluent material, add the solid material be pre-mixed, and stir and obtain controlling shallow-layer stream disaster grout.
The preparation controlling shallow-layer stream disaster grout of embodiment 6, deep water cementing
Each component is taken according to following formula:
Be in harmonious proportion cement 100kg, seawater 48kg, silicon oil foam killer CX66L 0.2kg, (number-average molecular weight is 9 × 10 to acrylamide-2-acrylamide-2-methyl propane sulfonic multipolymer
5g/mol) 4kg, lithium chloride 1.5kg, boric acid 0.5kg.
Preparation method: required solid material is pre-mixed evenly stand-by, then after being mixed by fluent material, add the solid material be pre-mixed, and stir and obtain controlling shallow-layer stream disaster grout.
The performance test of the preparation-obtained grout of embodiment 7, embodiment 1-6
Control shallow-layer stream disaster grout according to well cementation touchstone API10B-2-2005 and deep water cementing standard A PI10B-3-2004 to the deep water cementing that embodiment 1-6 prepares and carry out performance test, its result is as shown in table 1.
The deep water cementing that table 1 embodiment 1-6 prepares controls the performance of shallow-layer stream disaster grout
Data are known as shown in Table 1, and the present invention controls shallow-layer stream disaster grout, and to have the thickening time adjustable, density and dehydration controlled, low temperature intensity development rapidly, the feature that early strength is high; Grout multiviscosisty transformation time can control in 20 minutes, illustrate grout by liquid transition to the solid-state time used within 20 minutes; Higher early strength and shorter multiviscosisty transformation time are conducive to grout and suppress shallow-layer stream disaster.Grout has zero free water characteristic, illustrates that slurry stability is better, and Φ 300 flows change reading and is less than 300, can the safe and effective pumping of effective guarantee grout.
Claims (10)
1. deep water cementing is with controlling a shallow-layer stream disaster grout, it is characterized in that: it comprises following component: mediation cement, defoamer, water retaining, setting accelerator, retardant and seawater.
2. grout according to claim 1, is characterized in that: described grout also comprises light-weight additive.
3. grout according to claim 1 and 2, is characterized in that: described grout is by following 1) and 2) in any one component form:
1) mediation cement, defoamer, water retaining, setting accelerator, retardant and seawater;
2) mediation cement, defoamer, water retaining, setting accelerator, retardant, light-weight additive and seawater.
4. the grout according to any one of claim 1-3, is characterized in that: each ingredients weight parts is as follows:
Mediation cement: 100 parts
Defoamer: 0.2 ~ 0.4 part
Water retaining: 3.5 ~ 4 parts
Setting accelerator: 1 ~ 1.5 part
Retardant: 0.2 ~ 0.5 part
Light-weight additive: 0 ~ 35 part
Seawater: 48 ~ 75 parts.
5. the grout according to any one of claim 1-4, is characterized in that: described mediation cement can be made up of the phosphor aluminate cement of 90% and the ultrafine high activity slag of 10%; Described ultrafine high activity slag particle diameter is 20 ~ 90 μm.
6. the grout according to any one of claim 1-5, is characterized in that: described defoamer is silicone oil defoamer.
7. the grout according to any one of claim 1-6, is characterized in that: described water retaining is at least one in acrylamide-2-acrylamide-2-methyl propane sulfonic multipolymer and acrylamide-sodium acrylate copolymer;
The number-average molecular weight of described acrylamide-2-acrylamide-2-methyl propane sulfonic multipolymer is 2 × 10
5g/mol ~ 1 × 10
6g/mol;
The number-average molecular weight of described acrylamide-sodium acrylate copolymer is 2 × 10
5g/mol ~ 1 × 10
6g/mol.
8. the grout according to any one of claim 1-7, is characterized in that: described setting accelerator is at least one in sodium sulfate, Repone K, SODIUMNITRATE, sodium metaaluminate, potassium silicate, sodium formiate, potassium formiate and calcium chloride.
9. the grout according to any one of claim 1-8, is characterized in that: described retardant is at least one in citric acid, boric acid, borate and organophosphate; Described organophosphate is ethylene diamine tetra methylene phosphonic acid sodium.
10. the grout according to any one of claim 1-9, is characterized in that: described light-weight additive is hollow glass micropearl; The density of described hollow glass micropearl is 0.4 ~ 0.8kg/L.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510053703.5A CN104610948B (en) | 2015-02-02 | 2015-02-02 | A kind of anti-shallow-layer stream phosphor aluminate cement slurry of deep water cementing |
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| CN201510053703.5A CN104610948B (en) | 2015-02-02 | 2015-02-02 | A kind of anti-shallow-layer stream phosphor aluminate cement slurry of deep water cementing |
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| CN113582638A (en) * | 2021-08-18 | 2021-11-02 | 交通运输部公路科学研究所 | Constant negative temperature hydrated concrete for plateau permafrost pile foundation and preparation method thereof |
| CN114046003A (en) * | 2021-12-03 | 2022-02-15 | 广东博竣建设工程有限公司 | Method for reinforcing steel strand mesh polymer mortar of wall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113582638A (en) * | 2021-08-18 | 2021-11-02 | 交通运输部公路科学研究所 | Constant negative temperature hydrated concrete for plateau permafrost pile foundation and preparation method thereof |
| CN114046003A (en) * | 2021-12-03 | 2022-02-15 | 广东博竣建设工程有限公司 | Method for reinforcing steel strand mesh polymer mortar of wall |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: Yangtze University Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation Co-patentee before: Yangtze University |
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Effective date of registration: 20191211 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC research institute limited liability company Patentee before: China Offshore Oil Group Co., Ltd. Co-patentee before: Yangtze University |