CN101054513A - Deep water low temperature cementing cement system - Google Patents
Deep water low temperature cementing cement system Download PDFInfo
- Publication number
- CN101054513A CN101054513A CN 200710014781 CN200710014781A CN101054513A CN 101054513 A CN101054513 A CN 101054513A CN 200710014781 CN200710014781 CN 200710014781 CN 200710014781 A CN200710014781 A CN 200710014781A CN 101054513 A CN101054513 A CN 101054513A
- Authority
- CN
- China
- Prior art keywords
- deep water
- low temperature
- cement
- cementing
- cement system
- 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
Abstract
The invention belongs to sea deep water complex well cementing which is suitable for low temperature, tending to superficial water-gassed-out. The mineral components and mass percent composition are: 23-45 wt.% of tricalcium silicate, 12-25 wt.% of calcium sulphoaluminate, 15-23 wt.% of dicalcium silicate, 3-10 wt.% of gypsum, 4-8 wt.% of calcium carbonate, and residual celite, calcium aluminate and other microelement. The using process of the deep water complex well cementing includes: adding 0-3 wt.% of coagulant, 0-1.2 wt.% of retarder, 15-45 wt.% of hollow microglobin and water to prepare a low density cement slurry system of 1.35-1.60g/cm3 which has a controllable gelled time and has a perfect right-angle gelling capacity, a set cement volume microdilatancy and develops fast at low temperature. The inventive deep water low temperature complex well cementing has a high early strength, a short curing time, a powerful channeling-preventing ability, and microdilatancy, which provides a powerful guarantee to improve the deep water complex well quality.
Description
Technical field
The present invention relates to the used a kind of low temperature cementing cement system in a kind of oil gas well drilling field, is a kind of ocean deepwater cementing cement system that is specially adapted to low temperature, easy shallow seated groundwater-has channeling, also can be used for top layer section, the well cementation of shallow-layer section of onshore oil field cold district.
Background technology
Deep water is meant that the depth of water surpasses the marine site of 500m.In the past few years, deep water hydrocarbon is found to have accounted for global oil gas and is found 40% of total amount, rises to 65% especially at 2002-2003 especially.Up to the present be 90.573 hundred million m in the deep water sea area verified oil reserves
3The oil equivalent estimates to also have 135.065-158.9 hundred million m
3The normal not proven reserve of oil attract current many oil companies all competitively to set foot in deep water sea area.The effect of deep water cementing withstands the test of perforation, exploitation, every well stimulation and workover treatment except oil, the G﹠W layer of packing well intraocular, enough supporting roles is provided also need for complicated wellhead equipment.We can say that the deep water cementing technology is the precondition and the important leverage of deep water hydrocarbon resource high-efficiency, economy, safe working.Yet deep water cementing particularly deep water top layer section well cementation but is faced with a series of new problems such as low temperature, shallow seated groundwater-has channeling, weak formation and high deepwater drilling device lease rent.The bottom-water temperature of deep water sea area is generally about 4 ℃, so low temperature will cause hydrated cementitious speed to reduce greatly, and adopts and add hollow beads or increase mode such as water cement ratio that (general density is 1.35～1.70g/cm to obtain low-density cement mortar for satisfying weak formation well cementation needs
3), these factors all are unfavorable for the hydration reaction of cement, all will prolong grout and change solid-state transit time into and make grout be in the gelling weightlessness for a long time, and add and have shallow gas, surpressure layer etc. in the overlying strata, make the deep water cementing fluid channelling phenomenon of very easily cementing the well by liquid state.In addition, low temperature makes grout elongated and cement stone ultimate compression strength slower development time of coagulation, and cement stone can't reach enough shear-stress within a short period of time with supporting sleeve weight, and this will prolong construction cycle undoubtedly, increase the shaft building cost.
At present, conduct a research at domestic just beginning of deep water cementing, external relevant deep water low temperature cementing cement system mainly contains: 1. high-alumina cement system, and as US6,244,343, US6,060,535; 2. adopt G class g cement and superfine cement, ultra-fine grain system, and it is tightly packed to form to optimize size distribution, as US6,656,265, US6,874,578; 3. adopt A class g cement or H class g cement, and by adding setting accelerator to improve the intensity under the low temperature, as US6,457,524, US6,478,868.The high-alumina cement system has the fast advantage of strength development, even also can obtain higher early anti pressured intension at low temperatures, but high-alumina cement is vulnerable to " pollution ", all be incompatible with many oil well cement additives, making that the mortar architecture performance is difficult for regulating, is delayed coagulation as calcium chloride to high-alumina cement; Superfine cement or ultra-fine grain material have strong hydratability at low temperatures, but cost is higher; A level, G level and H class g cement the hydratability under 4 ℃ of cold condition a little less than, cementitious grout intensity " transit time " is very long, can't reach the strong cementing design requirement of shorter curing time (WOC) and anti-channeling ability.And the sealing quality quality of deep water cementing is to having very important significance in work-ing life of deep water hydrocarbon well.Because deep water cementing will influence for well head set-up provides effective support and bears top layer plastic degeneration not fixed or the erosion stratum.If cementing quality is relatively poor, easily exist in the structural system of then cementing the well and scurry groove, microgap and stress crack and (cause that formation pore pressure reduces after real right release of thermal stresses, hydraulic stress or surpressure in the weak formation, the crack that the compacting stress rupture that makes cement mantle produced by settlement of stratum is produced), destroy the whole packing of cement mantle, show casing annulus pressure and continue (the Sustained CasingheadPressure that raises, be called for short SCP), thereby increase cost the work-ing life that reduces the deep water hydrocarbon well, jeopardizes the security of oil-gas mining and platform.Also can make drilling template or stage apparatus instability when serious, cause casualties or lose whole piercing drill equipment or stage apparatus, the oil gas well is scrapped fully.For this reason, at low temperature and the shallow seated groundwater-has channeling problem that deep water cementing faced, the necessary novel cementing cement system of developing with low-temperature high-early strength.
Summary of the invention
The purpose of this invention is to provide a kind of strong hydratability and strength development cementing cement system faster that has at low temperatures, to solve the deficiency of the existing cementing cement system of deep water cementing.
For achieving the above object, the present invention adopts following technical scheme: have stronger hydration activity according to calcium sulphoaluminate, even still have aquation and Hardenability faster below 0 ℃ being lower than, by adding calcium sulphoaluminate and the suitable mode of adjusting other component proportions of cement, increase cementing concrete silicate material hydratability at low temperatures, obtain deep water low temperature cementing cement system with stronger low temperature hydrated ability; In addition, the calcium sulphoaluminate generation ettringite that can react with the gypsum component in the cement makes cement stone still have certain volumetric expansion performance at low temperatures.Deep water low temperature cementing cement system of the present invention is characterized in that its mineral component and quality percentage composition are: tricalcium silicate 23～45%, calcium sulphoaluminate 12～25%, Dicalcium Phosphate (Feed Grade) 15～23%, gypsum 3～10%, lime carbonate 4～8%, all the other are tetracalcium aluminoferrite, calcium aluminate and other trace element.
In the above-mentioned deep water low temperature cementing cement system, the chemical formula of described calcium sulphoaluminate is [3 (CaO), 3 (Al
2O
3) (CaSO
4)].
Deep water low temperature cementing cement system of the present invention in use, can add account for cement quality percentage ratio 0～3% setting accelerator with the low temperature hydrated ability of refinforced cement and improve cement stone early strength, its setting accelerator is CaCl
2, KCl, NaNO
3, Ca (NO
2)
2, LiOH, NaAlO
2Perhaps Ca (AlO
2)
2In one or several.
Deep water low temperature cementing cement system of the present invention in use, can add that to account for cement quality percentage ratio be 0～1.2% retardant regulating cement slurry thickening time satisfying construction requirement, its retardant is a kind of in tartrate, citric acid, boric acid or the Sodium Tetraborate etc.
Deep water low temperature cementing cement system of the present invention can add that to account for cement quality percentage ratio be 15～45% hollow beads in use, and water cement ratio is 0.5～0.78, can make density 1.35～1.60g/cm
3Low weight cement slurry.
Deep water low temperature cementing cement system of the present invention has the excellent properties of following four aspects:
(1) strength development is fast at low temperatures for deep water low temperature cementing cement system of the present invention.Under the same conditions, it is faster and intensity is very high than the development of the early strength of oil well G class g cement.
(2) deep water low temperature cementing cement system of the present invention multiviscosisty curve at low temperatures has excellent " right angle multiviscosisty " performance, and the thickening time can be adjusted by adding retardant.Shallow seated groundwater-has channeling that excellent " right angle multiviscosisty " performance can effectively prevent deep water cementing and faced.
(3) its cement stone volume has certain expansion character after the deep water low temperature cementing cement system final set of the present invention.The raising of this interface cementing strength that helps cementing the well, the interlayer packing ability of refinforced cement annulated column.
(4) cementing cement system of the present invention is good with setting accelerator and retardant compatibleness commonly used, and the mortar architecture performance is easily transferred.
Embodiment
Embodiment 1, the low temperature ultimate compression strength performance evaluation of deep water low temperature cementing cement system of the present invention
The cement component: tricalcium silicate 42.27%, calcium sulphoaluminate 15.10%, Dicalcium Phosphate (Feed Grade) 19.04%, gypsum 6.20%, lime carbonate 4.31%, all the other are tetracalcium aluminoferrite, calcium aluminate and other trace element.Code name is sample L
1
The cement component: tricalcium silicate 32.10%, calcium sulphoaluminate 20.73%, Dicalcium Phosphate (Feed Grade) 21.38%, gypsum 8.05%, lime carbonate 6.61%, all the other are tetracalcium aluminoferrite, calcium aluminate and other trace element.Code name is sample L
2
Press deep water cementing touchstone API 10B-3-2004 standard fabrication grout, and the ultimate compression strength when measuring density, the differing temps of grout, and carry out ultimate compression strength relatively with the conventional density oil well G class g cement slurry system under the same terms, evaluation result sees Table 1.Experimental result shows, no matter deep water low temperature cementing cement system of the present invention and oil well G class g cement be 4 ℃ of low temperature or 35 ℃ under identical water cement ratio condition, and its 12h, 24h ultimate compression strength show excellent low-temperature high-early strength performance apparently higher than oil well G class g cement; Adopting hollow beads as light-weight additive with increase under the water cement ratio condition, density is low to moderate 1.37g/cm
3Mortar architecture still have good low-temperature high-early strength performance, its ultimate compression strength is also high a lot of than the oil well G class g cement slurry system of conventional density.
Table 1
| Cement sample | Hollow beads/% | Water/% | Density g/cm 3 | 4 ℃ of ultimate compression strength/MPa | 10 ℃ of ultimate compression strength/MPa | 20 ℃ of ultimate compression strength/MPa | 35 ℃ of ultimate compression strength/MPa | ||||
| 12h | 24h | 12h | 24h | 12h | 24h | 12h | 24h | ||||
| The G level | 0 | 44 | 1.92 | - | 0.25 | - | 0.83 | 0.52 | 5.14 | 2.47 | 11.50 |
| L 1 | 0 | 44 | 1.90 | 4.50 | 7.37 | 6.20 | 10.87 | 8.17 | 13.40 | 10.15 | 18.33 |
| L 2 | 0 | 44 | 1.90 | 4.80 | 8.34 | 6.73 | 11.33 | 8.45 | 14.00 | 10.46 | 18.42 |
| L 1 | 30 | 77 | 1.37 | 2.20 | 5.08 | 4.16 | 7.52 | 6.52 | 10.70 | 8.55 | 15.60 |
| L 2 | 30 | 77 | 1.37 | 2.43 | 5.30 | 4.32 | 7.81 | 6.57 | 11.10 | 8.60 | 15.57 |
Embodiment 2, and setting accelerator is estimated deep water low temperature cementing cement system ultimate compression strength performance impact of the present invention
Press deep water cementing touchstone API 10B-3-2004 standard fabrication grout, measure the ultimate compression strength of grout under the differing temps maintenance, and carry out ultimate compression strength relatively with the conventional density oil well G class g cement slurry system under the same terms, evaluation result sees Table 2.Experimental result shows, CaCl
2, LiOH and Ca (AlO
2)
2Setting accelerator has the significantly short early strength function of coagulating to deep water low temperature cementing cement system of the present invention, shows excellent compatibility.
Table 2
| Cement system | CaCl 2 /％ | LiOH /％ | Ca(AlO 2) 2 /％ | 4 ℃ of ultimate compression strength/MPa | 10 ℃ of ultimate compression strength/MPa | 20 ℃ of ultimate compression strength/MPa | |||
| 12h | 24h | 12h | 24h | 12h | 24h | ||||
| 1# | 2.5 | - | - | 0.50 | 2.15 | 1.83 | 5.83 | 7.20 | 13.85 |
| 2# | 2.0 | - | - | 3.70 | 7.97 | 6.20 | 10.87 | 8.57 | 15.40 |
| 2# | 1.0 | 0.5 | - | 3.45 | 8.04 | 6.43 | 11.63 | 8.55 | 16.00 |
| 2# | 1.0 | - | 0.3 | 4.20 | 9.35 | 6.90 | 12.53 | 9.00 | 16.30 |
1#:G level+44% water, density 1.92g/cm
3
2#:L
1+ 30% hollow beads+77% water, density 1.37g/cm
3
Embodiment 3, coagulate slow agent deep water low temperature cementing cement system multiviscosisty performance impact of the present invention is estimated
Add 30% hollow beads, 1.3% setting accelerator, 0～1.0% retardant and water in deep water low temperature cementing cement system of the present invention, press deep water cementing touchstone API 10B-3-2004 standard fabrication grout, obtaining density is 1.37g/cm
3Low weight cement slurry, and the thickening time, denseness of further pressing this grout of deep water cementing touchstone API10B-3-2004 standard test from the transit time of 30Bc～100Bc, the ultimate compression strength and the cubical expansivity of cement stone, evaluation result sees Table 3.Experimental result shows that the thickening time of deep-water low-temperature well cementing mortar architecture of the present invention increases with retardant citric acid dosage and prolongs, and the thickening time is adjustable between 125min～330min; Cement slurry tie up to 14 ℃ of following denseness from transit time of 30Bc～100Bc all≤25min, show excellent " right angle multiviscosisty " performance, the shallow seated groundwater-has channeling that can effectively prevent deep water cementing and faced; Under 4 ℃ of low temperature, its cement stone is the higher early strength of tool and cement stone volume small expansion slightly still, helps improving the well cementation pack quality.
Table 3
| Cement system | Citric acid/% | Thickening time/14 ℃, min | 30～100Bc transit time | 4 ℃ of ultimate compression strength/MPa | 35 ℃ of ultimate compression strength/MPa | 24h cubical expansivity/% | |||
| 12h | 24h | 12h | 24h | 4℃ | 35℃ | ||||
| 2# | 0.0 | 125 | 25min | 4.20 | 9.35 | 9.00 | 16.30 | 0.13 | 0.30 |
| 2# | 0.2 | 150 | 21min | 3.92 | 8.70 | 8.37 | 15.70 | 0.10 | 0.33 |
| 2# | 0.5 | 210 | 15min | 2.80 | 7.27 | 7.30 | 14.32 | 0.15 | 0.29 |
| 2# | 1.0 | 330 | 13min | 1.70 | 5.24 | 6.50 | 13.10 | 0.09 | 0.31 |
2#:L
1+ 30% hollow beads+1.0%CaCl
2+ 0.3%Ca (AlO
2)
2+ 77% water, density 1.37g/cm
3
Claims (6)
1. deep water low temperature cementing cement system, it is characterized in that its mineral component and mass percent are: tricalcium silicate 23～45%, calcium sulphoaluminate 12～25%, Dicalcium Phosphate (Feed Grade) 15～23%, gypsum 3～10%, lime carbonate 4～8%, all the other are tetracalcium aluminoferrite, calcium aluminate and other trace element.
2. deep water low temperature cementing cement system according to claim 1, its calcium sulphoaluminate chemical formula are [3 (CaO), 3 (Al
2O
3) (CaSO
4)].
3. deep water low temperature cementing cement system according to claim 1 can add and accounts for cement quality percentage ratio 0～3% setting accelerator.
4. deep water low temperature cementing cement system according to claim 3 is characterized in that setting accelerator is CaCl
2, KCl, NaNO
3, Ca (NO
2)
2, LiOH, NaAlO
2Perhaps Ca (AlO
2)
2In one or several.
5. deep water low temperature cementing cement system according to claim 1 can add that to account for cement quality percentage ratio be 0～1.2% retardant.
6. deep water low temperature cementing cement system according to claim 5 is characterized in that retardant is a kind of in tartrate, citric acid, boric acid or the Sodium Tetraborate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710014781XA CN100551992C (en) | 2007-05-21 | 2007-05-21 | Deep water low temperature cementing cement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710014781XA CN100551992C (en) | 2007-05-21 | 2007-05-21 | Deep water low temperature cementing cement system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101054513A true CN101054513A (en) | 2007-10-17 |
| CN100551992C CN100551992C (en) | 2009-10-21 |
Family
ID=38794571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200710014781XA Expired - Fee Related CN100551992C (en) | 2007-05-21 | 2007-05-21 | Deep water low temperature cementing cement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100551992C (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323778B (en) * | 2008-07-29 | 2010-12-29 | 南京工业大学 | Metakaolin-slag base geological polymer for oilfield cementing and high temperature retarder thereof |
| CN101508890B (en) * | 2009-03-24 | 2010-12-29 | 天津百荣化工技术发展有限公司 | Dual-purpose agglutination sand for oil-field development |
| CN102827593A (en) * | 2012-09-14 | 2012-12-19 | 中国石油大学(华东) | Deep-water well cementation cement paste system activated based on slag |
| RU2471844C1 (en) * | 2011-05-11 | 2013-01-10 | Лонест Холдинг Корп. | Informative grouting mortar (versions) |
| CN103387368A (en) * | 2013-08-02 | 2013-11-13 | 大连铭源全建材有限公司 | Ultralow-temperature gelling spray material |
| CN103387369A (en) * | 2013-08-02 | 2013-11-13 | 大连铭源全建材有限公司 | Waterproof grouting material for ice-rich soil |
| CN103387370A (en) * | 2013-08-02 | 2013-11-13 | 大连铭源全建材有限公司 | Fine sand grouting material for ice-rich soil |
| CN103396018A (en) * | 2013-08-02 | 2013-11-20 | 大连铭源全建材有限公司 | Concretionary material for even frozen soil and sludge |
| CN103396017A (en) * | 2013-08-02 | 2013-11-20 | 大连铭源全建材有限公司 | Wrought material of ultralow temperature cementing material and preparation method of wrought material |
| CN105462571A (en) * | 2015-11-16 | 2016-04-06 | 中国石油大学(华东) | Low-temperature cementing slurry system and composition thereof |
| CN105802596A (en) * | 2016-04-19 | 2016-07-27 | 中国石油大学(华东) | Early-strength low-hydration heat evolution cement paste system applicable to deepwater shallow cementation |
| CN106433585A (en) * | 2015-08-12 | 2017-02-22 | 中国石油化工股份有限公司 | Oil well cement retarding agent, preparation method and applications thereof |
| CN106634899A (en) * | 2016-09-22 | 2017-05-10 | 中国石油大学(华东) | A liquid colloid filling low-temperature well-cementing cement mortar system |
| CN106866086A (en) * | 2017-03-20 | 2017-06-20 | 嘉华特种水泥股份有限公司 | A kind of low-density oil-well cement |
| CN112094060A (en) * | 2020-09-27 | 2020-12-18 | 大连水泥集团有限公司 | High-temperature well cementation cement and preparation method and application thereof |
-
2007
- 2007-05-21 CN CNB200710014781XA patent/CN100551992C/en not_active Expired - Fee Related
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323778B (en) * | 2008-07-29 | 2010-12-29 | 南京工业大学 | Metakaolin-slag base geological polymer for oilfield cementing and high temperature retarder thereof |
| CN101508890B (en) * | 2009-03-24 | 2010-12-29 | 天津百荣化工技术发展有限公司 | Dual-purpose agglutination sand for oil-field development |
| RU2471844C1 (en) * | 2011-05-11 | 2013-01-10 | Лонест Холдинг Корп. | Informative grouting mortar (versions) |
| CN102827593A (en) * | 2012-09-14 | 2012-12-19 | 中国石油大学(华东) | Deep-water well cementation cement paste system activated based on slag |
| CN102827593B (en) * | 2012-09-14 | 2015-10-21 | 中国石油大学(华东) | A kind of deepwater well cementing mortar architecture activated based on slag |
| CN103387370A (en) * | 2013-08-02 | 2013-11-13 | 大连铭源全建材有限公司 | Fine sand grouting material for ice-rich soil |
| CN103396018B (en) * | 2013-08-02 | 2015-10-28 | 大连铭源全建材有限公司 | A kind of eternal frozen ground and silt consolidation material |
| CN103396018A (en) * | 2013-08-02 | 2013-11-20 | 大连铭源全建材有限公司 | Concretionary material for even frozen soil and sludge |
| CN103396017A (en) * | 2013-08-02 | 2013-11-20 | 大连铭源全建材有限公司 | Wrought material of ultralow temperature cementing material and preparation method of wrought material |
| CN103387370B (en) * | 2013-08-02 | 2015-03-25 | 大连铭源全建材有限公司 | Fine sand type ice-rich soil grouting material |
| CN103387369B (en) * | 2013-08-02 | 2015-03-25 | 大连铭源全建材有限公司 | Waterproof ice-rich soil grouting material |
| CN103387368B (en) * | 2013-08-02 | 2015-09-23 | 大连铭源全建材有限公司 | A kind of very low temperature gelling blasting materials |
| CN103387368A (en) * | 2013-08-02 | 2013-11-13 | 大连铭源全建材有限公司 | Ultralow-temperature gelling spray material |
| CN103396017B (en) * | 2013-08-02 | 2015-10-28 | 大连铭源全建材有限公司 | A kind of ultra-low temperature glue gel material grog and method for making thereof |
| CN103387369A (en) * | 2013-08-02 | 2013-11-13 | 大连铭源全建材有限公司 | Waterproof grouting material for ice-rich soil |
| CN106433585A (en) * | 2015-08-12 | 2017-02-22 | 中国石油化工股份有限公司 | Oil well cement retarding agent, preparation method and applications thereof |
| CN106433585B (en) * | 2015-08-12 | 2019-03-05 | 中国石油化工股份有限公司 | A kind of oil well cement retarder and its preparation method and application |
| CN105462571A (en) * | 2015-11-16 | 2016-04-06 | 中国石油大学(华东) | Low-temperature cementing slurry system and composition thereof |
| CN105462571B (en) * | 2015-11-16 | 2018-06-29 | 中国石油大学(华东) | A kind of low temperature well cementing mortar architecture and composition |
| CN105802596A (en) * | 2016-04-19 | 2016-07-27 | 中国石油大学(华东) | Early-strength low-hydration heat evolution cement paste system applicable to deepwater shallow cementation |
| CN105802596B (en) * | 2016-04-19 | 2018-10-23 | 中国石油大学(华东) | A kind of early strong low hydration heat mortar architecture suitable for deep water shallow cementing |
| CN106634899A (en) * | 2016-09-22 | 2017-05-10 | 中国石油大学(华东) | A liquid colloid filling low-temperature well-cementing cement mortar system |
| CN106866086A (en) * | 2017-03-20 | 2017-06-20 | 嘉华特种水泥股份有限公司 | A kind of low-density oil-well cement |
| CN106866086B (en) * | 2017-03-20 | 2019-05-14 | 嘉华特种水泥股份有限公司 | A kind of low-density oil-well cement |
| CN112094060A (en) * | 2020-09-27 | 2020-12-18 | 大连水泥集团有限公司 | High-temperature well cementation cement and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100551992C (en) | 2009-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100551992C (en) | Deep water low temperature cementing cement system | |
| CN101134892B (en) | Deepwater well cementing mortar architecture | |
| CN105368409B (en) | A kind of oil base drilling fluid compound sealing agent and preparation method thereof | |
| CN100344723C (en) | Comprehensive performace regulator for well cementing cement slurry and its prepn | |
| US8276666B2 (en) | Sealant compositions and methods of use | |
| US20120318174A1 (en) | Sealant Compositions and Methods of Use | |
| JP5832063B2 (en) | Well sealant composition containing cationic latex and method of use thereof | |
| AU2008285481B2 (en) | Sealant compositions and methods of use | |
| CN105347716B (en) | A kind of cement mortar of decentralized without fluorocarbon oil well cement low-temperature early strength agent and comprising it | |
| US20130153214A1 (en) | Compositions Containing Kiln Dust and/or Biowaste Ash and Methods of Use | |
| EP2991946A1 (en) | Pumice-containing remedial compositions and methods of use | |
| WO2010004259A1 (en) | Sorel cements and methods of making and using same | |
| EP3004020A1 (en) | Methods and cement compositions utilizing treated polyolefin fibers | |
| CN102585788B (en) | Supersaturated sodium chloride cement slurry system for well cementation | |
| CN102321459B (en) | Oil well cement chlorine-free coagulation accelerating early strength agent | |
| CN106167695B (en) | Oil well chemical plugging agent | |
| WO2014127334A1 (en) | Compositions containing kiln dust and/or biowaste ash and methods of use | |
| CN103045215A (en) | Aluminate cement-based carbon dioxide corrosion resistant cement system for cementing of well | |
| DK2102130T3 (en) | Compositions comprising sorrel cements and oil-based fluids, and methods for treating a borehole therewith | |
| CN102531443B (en) | Early strength agent composition and preparation method thereof, cement composition and uses of above | |
| RU2672069C2 (en) | Waterproofing injection composition for the building objects underground protection (options) | |
| RU2632086C1 (en) | Two-component cement compositions with delayed setting | |
| EP2102129B1 (en) | Compositions comprising quaternary material and sorel cements and methods of servicing a wellbore with the same | |
| CN106747130B (en) | A kind of high temperature resistant oil well sealing agent | |
| CN107721272A (en) | A kind of high tenacity, high elastoplasticity, highdensity cement paste for well cementation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20100521 |