CN103525386A - Toughening agent for well-cementation cement slurry - Google Patents
Toughening agent for well-cementation cement slurry Download PDFInfo
- Publication number
- CN103525386A CN103525386A CN201310449408.2A CN201310449408A CN103525386A CN 103525386 A CN103525386 A CN 103525386A CN 201310449408 A CN201310449408 A CN 201310449408A CN 103525386 A CN103525386 A CN 103525386A
- Authority
- CN
- China
- Prior art keywords
- cement
- toughner
- cementing slurry
- chrome
- agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Structural Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a toughening agent for well-cementation cement slurry. The toughening agent comprises chrome shavings with diameters in a range of 0.02-0.05 mm, wherein the chrome shavings account for 0.05-2.0% of cement by weight; and the well-cementation cement slurry also comprises various additives as follows: a fluid loss agent, a dispersing agent, a defoaming agent and a retarding agent. Well-cementation cement prepared with the chrome shaving toughening agent is high in impact resistance, damage caused by perforations to cement rings is small, the problem of 'secondary channeling' is solved fundamentally, and the chrome shaving toughening agent can improve the toughness and the cracking resistance of cement stones and does not affect engineering properties of the cement slurry. According to the chrome shaving toughening agent, the cost is low, and pollution caused by leather production waste to the environment is reduced, so that a new path is provided for recycling of the waste of the leather production industry.
Description
Technical field
The invention belongs to cement toughner, especially a kind of cementing slurry toughner.
Background technology
Most domestic oil field has entered middle and later periods mining phase at present, in order to improve the oil well life-span, guarantees high and stable yields, and cementing quality becomes the outstanding problem that oil gas casing and cementing faces.Along with the development of cementing technology, require cement mantle to there is good mechanics ductility and mechanics performance of resisting cracking, to resist the impact of drill string, and the requirement of the various destructions such as perforation, pressure break.If the mechanical property of cement mantle does not reach requirement, the phenomenon that just may produce " secondary channelling ", even makes the packing effect of cement mantle thoroughly lose efficacy.Therefore, in the urgent need to a kind of, can improve cement toughness, improve the additive that cement mechanical property is simultaneously good with grout consistency.Conventional cementing concrete toughened fiber material mainly contains fibrous magnesium silicate, polypropylene fibre, trevira etc. at present, although it is effective to improve mechanical property aspect, these toughner are all hydrophobic naturies, bad with the consistency of grout under normal condition.
Chrome shavinge is that tannery contains chromium leather-solid waste, because containing chromium metal, is commonly considered as one of Leather-Industrial Pollution source, by its weight, calculates, and accounts for 60% left and right of leather gross weight.As do not processed in time and make full use of, be the significant wastage to resource, to environment, will cause severe contamination simultaneously.The main component of chrome shavinge is collegen filament, has toughness and wetting ability, and dispersing property in grout is good, intensity is high, tanning through chromium ion, form netted system, shock resistance (folding strength) and hydrolytic resistance significantly improve, and are the ideal materials that improves cement toughness.
According to the retrieval, find the following patent documentation utilizing about chrome shavinge, specific as follows:
1, a kind of chrome leather shavings well-drilling leakage-stopping material (CN102391844A), patching materials forms and parts by weight are respectively: chrome shavinge 40-100; Auxiliary agent 5-60, mixes above-mentioned chrome shavinge with auxiliary agent, be prepared into 40-100 order granularity, obtains plugging agent finished product.
2, the preparation method (CN102443182A) of a kind of chrome shavinge and polyacrylamide plural gel, step is as follows: (1) is mixed with solution by polyacrylamide water; (2) by Lip river tropine, S-WAT, the water-soluble chromium cross linker of preparing of chromium acetate; (3) chromium cross linker is joined in the polyacrylamide solution of step (1), stir; (4) add chrome shavinge in the solution of step (3), then adding water soluble resol, pH=6-9 regulated; Above-mentioned solution is positioned over to heating in 45 ℃～85 ℃ water-baths waits solidifying, obtain chrome shavinge and polyacrylamide plural gel, described each material aqueous solution mass concentration is: chrome shavinge 0.5%-10%, polyacrylamide 0.1%～0.6%, urotropine 0.35%, S-WAT 0.3%-0.5%, chromium acetate 0.02%-0.5%, water soluble phenol resin 0.5%-1.0%.
Comprise above-mentioned document, the also not record as cementing concrete toughner by chrome shavinge at present, the present invention proposes first.
Summary of the invention
The object of this invention is to provide a kind of cementing slurry toughner, toughening material using the solid waste-chrome shavinge of leather industry as cementing concrete, in science again in environmental protection, improved the mechanical property of Behavior of Hardened Cement Paste, guaranteed that the engineering property of grout is as adjustable in low dehydration, thickening time.
The technical scheme that the present invention realizes object is as follows:
A toughner, cementing slurry toughner is chrome shavinge.
And described chrome shavinge diameter is 0.02-0.05mm, the 0.05-2% that addition is cement.
And described cement is the A-G level oil well cement of API regulation.
And described cementing slurry also comprises additive.
And described additive is water retaining, dispersion agent, defoamer, retardant.
And it is 0.05-2% that described chrome shavinge toughner accounts for cement per-cent; The per-cent that each additive accounts for cement is:
And described water retaining is one or more mixtures in acrylamide/sodium Acrylate multipolymer, acrylamide/2-acrylamide-2-methyl propane sulfonic sodium multipolymer or polyvinyl alcohol.
And described dispersion agent is sulfonated lignin or acetonformaldehyde condenses.
And described defoamer is silicone based or phosphoric acid ester.
And described retardant is citric acid or toxilic acid/acrylic copolymer.
Advantage of the present invention and beneficial effect:
1, the present invention uses the toxic waste (chrome shavinge) of leather industry as the toughening material of cement, turn waste into wealth, not only environmental protection but also low cost, effectively reduced the pollution of tanning waste to environment, for the recycling of leather industry waste provides a new way.
2, cement toughner provided by the invention, good toughness, has wetting ability, good with mortar architecture consistency, has overcome conventional conventional cement toughening material and has mixed inequality with grout, needs modification problem.
3, after toughner of the present invention adds in cement, make cement have the characteristic that shock resistance is strong, perforation is little to the destruction of cement mantle, fundamentally solves " secondary channelling " problem.
4, toughner of the present invention can improve the toughness of Behavior of Hardened Cement Paste and hinder the mechanical properties such as fragility, and the engineering property that does not affect grout is as adjustable in low dehydration, thickening time.
Accompanying drawing explanation
Fig. 1 is example 1 chrome shavinge grout multiviscosisty curve of the present invention.
Fig. 2 is comparative example chrome shavinge grout multiviscosisty curve.
Specific implementation method
Below by embodiment, the present invention is further described, described embodiment is illustrative, not determinate, can not limit protection scope of the present invention with this.
The invention provides chrome shavinge as the application of cementing concrete toughner, chrome shavinge is joined to the mechanical property that can obviously improve grout in grout, it can also add other auxiliary agent in the middle of joining cement, as water retaining, dispersion agent, defoamer, the grout usual auxiliaries such as retardant, following examples provide the embodiment that chrome shavinge and other auxiliary agents come together to improve cement performance, although embodiment provided by the invention is the technical scheme that adds other auxiliary agent later, but do not affect the performance of the toughner of chrome shavinge of the present invention, whether other auxiliary agents add, there is no particular requirement, do not add is also to realize the object of the invention.
Embodiment 1:
A toughner, each component and weight are respectively:
According to API standard, each additive, G level oil well cement 800g, tap water 299g are fully mixed, obtain toughner grout.
Embodiment 2:
A toughner, each component and weight are respectively:
According to API standard, each additive, F level oil well cement 800g, tap water 318.4g are fully mixed, obtain toughner grout.
Embodiment 3:
A toughner, each component and weight are respectively:
According to API standard, each additive, D level oil well cement 800g, tap water 307.8g are fully mixed, obtain toughner grout.
Embodiment 4:
A toughner, each component and weight are respectively:
According to API standard, each additive, E level oil well cement 800g, tap water 301.4g are fully mixed, obtain toughner grout.
Embodiment 5:
A toughner, each component and weight are respectively:
According to API standard, each additive, H level oil well cement 800g, tap water 308.6g are fully mixed, obtain toughner grout.
Comparative example:
Each component dosage is respectively:
According to API standard, each additive, G level oil well cement 800g, tap water 303g are fully mixed,
Obtain comparative example grout.
Above-mentioned 5 examples and 1 comparative example cement slurry property are as follows:
Table 1 grout fundamental property
Claims (10)
1. a cementing slurry toughner, is characterized in that: cementing slurry toughner is chrome shavinge.
2. cementing slurry toughner according to claim 1, is characterized in that: described chrome shavinge diameter is 0.02-0.05mm, the 0.05-2% that addition is cement.
3. cementing slurry toughner according to claim 1, is characterized in that: described cement is the A-G level oil well cement of API regulation.
4. cementing slurry toughner according to claim 1, is characterized in that: described cementing slurry also comprises additive.
5. cementing slurry toughner according to claim 4, is characterized in that: described additive is water retaining, dispersion agent, defoamer, retardant.
6. cementing slurry toughner according to claim 5, is characterized in that: it is 0.05-2% that described chrome shavinge toughner accounts for cement per-cent; The per-cent that each additive accounts for cement is:
7. cementing slurry toughner according to claim 6, is characterized in that: described water retaining is one or more mixtures in acrylamide/sodium Acrylate multipolymer, acrylamide/2-acrylamide-2-methyl propane sulfonic sodium multipolymer or polyvinyl alcohol.
8. cementing slurry toughner according to claim 6, is characterized in that: described dispersion agent is sulfonated lignin or acetonformaldehyde condenses.
9. cementing slurry toughner according to claim 6, is characterized in that: described defoamer is silicone based or phosphoric acid ester.
10. cementing slurry toughner according to claim 6, is characterized in that: described retardant is citric acid or toxilic acid/acrylic copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310449408.2A CN103525386B (en) | 2013-09-27 | 2013-09-27 | A kind of cementing slurry toughner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310449408.2A CN103525386B (en) | 2013-09-27 | 2013-09-27 | A kind of cementing slurry toughner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103525386A true CN103525386A (en) | 2014-01-22 |
| CN103525386B CN103525386B (en) | 2016-01-27 |
Family
ID=49927747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310449408.2A Active CN103525386B (en) | 2013-09-27 | 2013-09-27 | A kind of cementing slurry toughner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103525386B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101069992A (en) * | 2006-05-10 | 2007-11-14 | 陈秋德 | Hard rubber-wheel structure |
| CN101747880A (en) * | 2009-12-29 | 2010-06-23 | 中国石油天然气集团公司 | Deep-water low-temperature low-density early-strength cementing slurry for well cementation |
| CN102115955A (en) * | 2011-03-07 | 2011-07-06 | 嘉兴学院 | Environment-friendly collagen fiber leather substrate and production method thereof |
| CN102391844A (en) * | 2011-10-16 | 2012-03-28 | 天津科技大学 | Chrome leather shavings well-drilling leakage-stopping material |
| CN102746836A (en) * | 2012-07-30 | 2012-10-24 | 廊坊古莱特石油技术有限公司 | Well-cementing and self-healing cement slurry for oil-gas field |
-
2013
- 2013-09-27 CN CN201310449408.2A patent/CN103525386B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101069992A (en) * | 2006-05-10 | 2007-11-14 | 陈秋德 | Hard rubber-wheel structure |
| CN101747880A (en) * | 2009-12-29 | 2010-06-23 | 中国石油天然气集团公司 | Deep-water low-temperature low-density early-strength cementing slurry for well cementation |
| CN102115955A (en) * | 2011-03-07 | 2011-07-06 | 嘉兴学院 | Environment-friendly collagen fiber leather substrate and production method thereof |
| CN102391844A (en) * | 2011-10-16 | 2012-03-28 | 天津科技大学 | Chrome leather shavings well-drilling leakage-stopping material |
| CN102746836A (en) * | 2012-07-30 | 2012-10-24 | 廊坊古莱特石油技术有限公司 | Well-cementing and self-healing cement slurry for oil-gas field |
Non-Patent Citations (1)
| Title |
|---|
| 李闻欣: "《制革污染治理及废弃物资源化利用》", 31 May 2005, article "第5章制革废气的污染及治理第5.2.6节有机粉尘", pages: 248 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103525386B (en) | 2016-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102746836B (en) | Well-cementing and self-healing cement slurry for oil-gas field | |
| CN106673569B (en) | A kind of high organic content dredging silt composite curing material | |
| CN104261749A (en) | Cement based material with strong expanding performance and applications thereof | |
| CN104591633A (en) | Manufacturing method of polyacrylonitrile fiber impermeable concrete | |
| CN102746835B (en) | Carbonatite oil well density selectivity water shutoff agent and preparation process thereof | |
| CN105777020A (en) | Iron tailing sand PVA fiber-reinforced-cement-based composite | |
| CN112551968B (en) | Desert sand-ferrochromium slag 3D printing concrete material and construction method thereof | |
| CN104140236A (en) | Anti-crack mortar | |
| CN105622023A (en) | Silt curing agent using furnace slags | |
| CN107500597A (en) | A kind of non-dispersible underwater concrete additive and preparation method thereof | |
| CN103923628A (en) | Low-viscidity flexible cement paste for well cementation with slim hole and single channel | |
| KR101607062B1 (en) | Grout for filling pore space in ground and Method for grouting using the same | |
| CN103011706A (en) | Concrete taking green mud and white mud as admixtures and preparation method for concrete | |
| CN102994057B (en) | A kind of temperature-resistant anti-salt profile control agent and preparation method thereof | |
| CN105130349A (en) | Foundation pit engineering waterproof curtain material based on industrial waste residue | |
| CN104291733A (en) | Toughened anti-channeling agent for cement and toughened cement for cementing shale gas horizontal well | |
| CN103979899B (en) | A kind of preparation method of hybrid fiber concrete | |
| CN103332920B (en) | A kind of Desulfurization gypsum sand pulp | |
| CN108395172A (en) | One kind passing through the complete slurry wall of lakebed goaf extra long distance Large-diameter Steel push pipe | |
| CN103540300B (en) | A kind of toughness reinforcing cementing slurry of chrome shavinge and preparation method | |
| CN104591775A (en) | High-strength waterproof concrete and preparation method thereof | |
| CN106747026A (en) | A kind of strong concrete and preparation method thereof | |
| CN103525386B (en) | A kind of cementing slurry toughner | |
| CN108439919A (en) | A kind of fibre-reinforced infiltration crystallization type concrete | |
| CN102850016A (en) | Cement-based steel slag sand mending material used for mending buildings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 065001 Langfang economic and Technological Development Zone, Hebei Road, No. 600 Applicant after: LANGFANG CHRONOTECH PETROLEUM TECHNOLOGY CO., LTD. Address before: 065001 Langfang economic and Technological Development Zone, Hebei Road, No. 600 Applicant before: Langfang Chronotech Petroleum Technology Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |