WO2015020564A1 - Composition tampon de réparation et isolation contenant des substances liantes à base de magnésie « quick-stone » - Google Patents

Composition tampon de réparation et isolation contenant des substances liantes à base de magnésie « quick-stone » Download PDF

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Publication number
WO2015020564A1
WO2015020564A1 PCT/RU2014/000512 RU2014000512W WO2015020564A1 WO 2015020564 A1 WO2015020564 A1 WO 2015020564A1 RU 2014000512 W RU2014000512 W RU 2014000512W WO 2015020564 A1 WO2015020564 A1 WO 2015020564A1
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Prior art keywords
stone
magnesium oxide
cementing
water
magnesian
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PCT/RU2014/000512
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English (en)
Russian (ru)
Inventor
Рустам Рашитович РАМАЗАНОВ
Игорь Александрович МАЛЫХИН
Антон Олегович КОМАРОВ
Андрей Викторович БАРМИН
Дмитрий Вадимович ЧЕСНОКОВ
Original Assignee
Миррико Холдинг ЛТД
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Publication of WO2015020564A1 publication Critical patent/WO2015020564A1/fr

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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
    • C04B28/30—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 magnesium cements or similar cements
    • 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
    • C09K8/426—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells for plugging
    • 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
    • C09K8/428—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells for squeeze cementing, e.g. for repairing

Definitions

  • the invention relates to a repair-insulating, grouting composition based on magnesian binders and can be used in the oil and gas industry, in the processes of drilling and repairing oil, gas and water wells, in order to eliminate the absorption of flushing fluid, in the processes of repair-insulating works with the purpose of eliminating water flow, as well as cementing the annular space and casing strings.
  • Loss of circulation has always been a serious and costly problem for the drilling industry.
  • the problem of loss of circulation can be called eternal, it can occur in any drilling area, at any depth, in rock of any type and in rocks of any geological age. Absorption of drilling fluids and other fluids into the absorbing formations is ensured by the presence of pores, channels, cracks, voids in the rocks passed by the well and (or) insufficient resistance (resistance) of the rocks to the pressure of the liquid column in the well, resulting in hydraulic fracturing and penetration of the liquid into the formed cracks.
  • Well cementing is aimed at displacing the drilling fluid with cement from the annulus of the well and raising the latter to a predetermined height.
  • cementing a well or casing The whole range of work related to the replacement of the drilling fluid with cement (grouting), including waiting for the cement (grouting) grout to harden and the period of formation of the cement (grouting) stone, is called cementing a well or casing.
  • magnesian binders have found application in two industries, namely in the construction and oil industries. Moreover, all magnesian binders can be divided into two categories:
  • SUBSTITUTE SHEET (RULE 26) 1. Magnesia binders containing magnesium sulfate - such compositions are used in general construction practice in the production of building materials, where the emphasis is on ensuring water resistance, without taking into account the prediction of the setting time of cement stone.
  • Magnesia binders containing magnesium chloride - such compositions are used in the oil industry, in the construction and repair of wells, where the emphasis is on strength indicators and on the control of setting time of cement stone, such compositions have one significant drawback, namely low water resistance .
  • magnesia cements are better than Portland cement. They are resistant to oils, greases, organic solvents, alkalis and salts. They do not require wet storage during hardening, they provide high fire resistance and low heat conductivity, good wear resistance and compressive and bending strength at an early age, and increased adhesion to various types of aggregates, both inorganic and organic.
  • the setting time from the moment of mixing the test of normal density is: beginning - not earlier than 20 minutes, end - not later than 6 hours.
  • the compressive strength of the samples is 30-50 MPa; caustic dolomite 10-30 MPa.
  • Sorel cement is used mainly in general construction activities, in the production of mortars, slabs, panels, concrete intended for indoor and outdoor cladding of buildings, floor coverings, staircases, floors, as well as in building dry mixes.
  • SUBSTITUTE SHEET (RULE 26) setting of material, which, in turn, affects the safety of work in the oil and gas industry. Also, magnesia cements significantly lose strength in the aquatic environment, while in the well conditions the aquatic environment is ubiquitous.
  • Well-known grouting material (RF patent RU2295554, priority date 03.02.2006), used for cementing annular space and casing strings in the intervals of the anhydrous part of an open section in oil and gas wells in the temperature range of 10-30 ° C:
  • a well-known grouting composition (RF patent RU2293100, priority date 10.24.2005) for isolating the absorption zones of washing fluids in order to regulate the thickening and setting time.
  • This composition is characterized by short terms of thickening and setting, reduced sedimentation stability of the solution, significant reductions
  • Known magnesia binder using magnesium sulfate (RU2428390, priority date 07/01/2010), used in the manufacture of building materials, the manufacture of plates and panels, as well as building dry mixes.
  • the composition has increased water resistance with a sufficiently high strength.
  • magnesium sulfate with a density of 1, 15- 1, 20 g / cm3 of cube 21 -29%
  • the disadvantages of this composition are the difficulty of regulating the technological properties of the solution, the difficulty of predicting the setting time of the material, a significant decrease in the strength characteristics under waterflood conditions.
  • thermosetting composition for treating a well (Canadian Patent CA 2175144, priority date 04/26/1996) for plugging wells with a predicted setting temperature of cement stone containing a mixture of solids and aqueous fluid.
  • An inert filler selected from the group consisting of 20 to 27%.
  • the aqueous liquid is a saline solution containing a salt selected from the group consisting of calcium chloride, sodium chloride and magnesium chloride. It is used in a ratio of approximately 1 liter of aqueous liquid per 1.25 kg of solids.
  • the disadvantages of the closest analogue are: loss of strength characteristics during the stay of the material in the aquatic environment (everywhere in all downhole conditions there is an aqueous medium), insufficient temperature range of application. After a week-long stay of the material in an aqueous medium, a more than twofold loss of strength characteristics occurs, which is explained by the gradual dissolution of the chemicals that are the basis of the composition. Sedimentation instability of the obtained solutions (the solid phase precipitates rather quickly in the solution) can lead to the fact that the required borehole interval, which must be closed by the composition, will not be isolated due to the precipitation of the solid phase.
  • the objective of the proposed technical solution is to create a repair-insulating, cementing composition based on magnesian binders, which have the following qualities:
  • SUBSTITUTE SHEET (RULE 26)
  • the technical result of the claimed invention is to obtain a composition that simultaneously has a controlled setting and hardening time up to a minute, depending on barothermal conditions, uniform expansion, no loss of strength properties during the stay of the material (cement stone) in the aquatic environment (waterflooding conditions), increased strength properties that do not decrease over time, but rather increase.
  • the repair-insulating, cementing composition based on QUICK-STONE magnesia binders contains magnesium oxide and / or ground caustic magnesite based on magnesium oxide (MgO) and seven-water magnesium sulfate, and additionally contains an inhibitor solidification: sodium hexametaphosphate and / or nitrilotrimethylphosphonic acid with a substance content,% May:
  • Nitrilotrimethylphosphonic acid 0-1, 14 (in excess of 100%)
  • the setting profile changes from instant setting of the system in 3 minutes to 100 Vs to a more complete setting, under the same conditions, setting up to 100 Vs takes 13-15 minutes, but it is important to note that setting is also regulated up to a minute by the above steps.
  • magnesium chloride was replaced by magnesium sulfate, an increase in the compressive strength of the material was observed (more than 1.5 times depending on the formulation), but a decrease in the flexural strength of the material (more than 2 times), the magnesium sulfate-based system becomes elastic.
  • magnesia stone is formed by hydration of MgO with the formation of Mg (OH) 2, and the subsequent formation of 5-hydroxysulfate and 3-hydroxysulfate:
  • composition of magnesium oxide and magnesium chloride of seven-water has a decrease in compressive strength from 28 MPa to 14 MPa.
  • the trade name Base H-Stone the chemical name is magnesium oxide (MgO), according to the manufacturer's regulatory and technical documentation, with a percentage of magnesium oxide of at least 97%.
  • SUBSTITUTE SHEET (RULE 26) 3.
  • Base M-Stone the chemical name is seven-water magnesium sulfate (MgS04 * 7 ⁇ 2 ⁇ ), according to the manufacturer's regulatory and technical documentation, with a percentage of the main substance of at least 99%, is a structure-forming agent and is used to ensure the water resistance of cement stone.
  • the trade name Inhib I-Stone is sodium hexametaphosphate ( ⁇ ), according to the manufacturer's regulatory and technical documentation, with a percentage of the main substance in terms of P2O5 of at least 61.5%, is an inhibitor and is used to regulate the setting time for cementing stone.
  • the percentage of sodium hexametaphosphate shall be considered in excess of 100% (i.e., in excess of the sum of the masses of magnesium sulfate and magnesium oxide), and the percentage of sodium hexametaphosphate shall be considered only by weight of magnesium oxide.
  • an increase in the content of sodium hexametaphosphate in the composition of the system has a linear effect on the setting time, i.e. with an increase in the percentage, the setting time of the material increases in proportion and have a linear relationship.
  • the trade name Inhib X-Stone the chemical name nitrilotrimethylphosphonic acid (C3H12NO9P3) according to the manufacturer's technical specifications, with a percentage of the main substance of at least 90%, is an inhibitor and is used to regulate the setting time of cement stone for high temperatures inside the well.
  • Nitrilotrimethylphosphonic acid combines as a direct chemical effect on the constituent substances in order to increase the setting time, since its effect is a decrease in the pH of the solution, i.e. sufficiently increases the setting time of cement stone.
  • the percentage of nitrilotrimethylphosphonic acid shall be considered in excess of 100% (i.e., in excess of the sum of the masses of magnesium sulfate and magnesium oxide), the percentage of nitrilotrimethylphosphonic acid shall be considered only by weight of magnesium oxide.
  • an increase in the content of nitrilotrimethylphosphonic acid in the composition of the system has a linear effect on the setting time, i.e. with an increase in the percentage, the setting time of the material increases in proportion and have a linear relationship.
  • Note 1 - is used jointly or separately, 2 - is used together or separately, 3 - are used for high-temperature wells, in high-temperature compositions.
  • the grouting composition Depending on the well conditions (depth of the interval (s), temperature, pressure, lithological and stratigraphic data, etc.) and the type of well work (elimination of wash fluid absorption, repair and insulation works, etc.), it is necessary to achieve various characteristics of the grouting composition : high compressive strength, high bending strength of the material, the stability of the material when exposed to water and temperature.
  • the formulation of the claimed invention can be changed within the scope of the claimed invention, so as to obtain those or other necessary quality indicators of the composition.
  • the finished cement stone of the claimed invention using ground caustic magnesite appears to have a great plasticity, i.e. reduced compressive strength and increased bending strength.
  • Partial or complete replacement of pure magnesium oxide with ground caustic magnesite can reduce the cost of the claimed invention since mainly purified magnesium oxide is produced outside the Russian Federation.
  • the recipe of the claimed invention for high-temperature compositions contains magnesium oxide with a percentage of not less than 97%, magnesium sulfate, seven-water, solidification inhibitors: sodium hexametaphosphate and / or nitrilotrimethylphosphonic acid in the following ratio of components, ass.%:
  • the formulation of the claimed invention contains ground caustic magnesite, magnesium sulfate seven-water, solidification inhibitors: sodium hexametaphosphate and / or nitrilotrimethylphosphonic acid in the following ratio of components, wt.%:
  • the formulation of the claimed invention contains magnesium oxide MgO with a percentage of not less than 97%, ground caustic magnesite, magnesium sulfate seven-water, solidification inhibitors: sodium hexametaphosphate and / or nitrilotrimethylphosphonic acid in the following ratio of components, wt.%:
  • RIRs (repair and insulation works) were carried out at various wells, with various conditions, for example, temperature (i.e., at the upper and deep horizons), RIRs were successful.
  • the following equipment was used to prepare the repair-insulating, cementing composition based on QUICK-STONE magnesia binders: a container with mixers, for example USO-16, cementing unit CA-320, a mixing plant, for example US6-30.
  • the technological parameters of the preparation of the claimed invention in laboratory conditions are selected taking into account the conditions of application of the claimed invention, well characteristics, depth and temperature of the well.
  • Table 2 shows the mixing order of the chemical reagents of the claimed invention in field conditions, in wells.
  • SUBSTITUTE SHEET (RULE 26) • The injectivity of the reservoir in the indicated interval is 60 cubic meters per day for process water.
  • the purpose of the application (the problem to be solved) is to conduct RIR (repair and insulation works) with a low injectivity of the formation, to predict and achieve the setting of cement stone when using the claimed invention after 6 hours at a temperature of 100 degrees C, in conditions of well watering.
  • the grouting composition of example 1 contains: Base H-Stone, magnesium oxide with a percentage of magnesium oxide of 97 percent - 49.37%; Base M-Stone, magnesium sulfate seven-water - 14.45%, Inhib I-Stone, sodium hexametaphosphate - 2.47%, water 33.71%.
  • FIG. 1 shows the dependence of the setting of the grouting composition of example 1 at different temperatures and in different time ranges.
  • the diameter of the side trunk is 0 123.8 mm.
  • the purpose of the application (the problem to be solved) is to eliminate the absorption of the drilling fluid, to predict and achieve the setting of the groutstone when using the claimed invention after 90 minutes at a temperature of 90 degrees C, under formation water conditions.
  • the grouting composition of example 2 contains: Base H-Stone, magnesium oxide with a percentage of magnesium oxide of 97 percent - 48.45%; Base M-Stone, magnesium sulfate seven-water - 17.73%, Inhib I-Stone, sodium hexametaphosphate - 0.73%, water 33.09%.
  • FIG. 2 shows the dependence of the setting of the grouting composition according to example 2 at different temperatures and in different time ranges.
  • the purpose of the application (the problem to be solved) is to conduct RIR (repair and insulation works) with high injectivity of the formation, to predict and achieve the setting of cement stone when using the claimed invention after 50 minutes at a temperature of 130 degrees. C, in conditions of well watering.
  • the grouting composition of example 3 contains: Base H-Stone, magnesium oxide with a percentage of magnesium oxide of 97 percent - 44.71%; Base M-Stone, magnesium sulphate seven-water - 19.16%, Inhib X-Stone, nitrilotrimethylphosphonic acid - 0.36%, water 35.77%.
  • FIG. 3 shows the dependence of the setting of the grouting composition of example 3 at different temperatures and in different time ranges.
  • the purpose of the application (the problem to be solved) is to kill the well, to predict and achieve the setting of cement stone when using the claimed invention, after 54 minutes at a temperature of 40 degrees. C, in conditions of well watering.
  • the grouting composition of example 4 contains: Base L-Stone, ground caustic magnesite, based on magnesium oxide (MgO) with a percentage of magnesium oxide from 75 to 85 percent - 51.55%; Base M-Stone, heptahydrate magnesium sulfate - 16.81%, Inhib I-Stone, sodium hexametaphosphate - 0.26%, water 31.38%).
  • FIG. 4 shows the dependence of the setting of the grouting composition of example 4 at different temperatures and in different time ranges.
  • the purpose of the application (the problem to be solved) is to eliminate the absorption of the drilling fluid, to predict and achieve the setting of cement stone when using the claimed invention after 34 minutes at a temperature of -5 degrees. FROM.
  • the grouting composition of example 5 contains: Base L-Stone, ground caustic magnesite, based on magnesium oxide (MgO) with a percentage of magnesium oxide from 75 to 85 percent - 54.74%>; Base M-Stone, magnesium sulfate seven-water - 15.79%; water 29.47%.
  • SUBSTITUTE SHEET (RULE 26)
  • the setting time is controlled by the ratio of the content of the solid phase, i.e., by increasing or decreasing the content of magnesium oxide relative to magnesium sulfate seven-water, inhibitors are not used at such low temperatures.
  • FIG. 5 shows the dependence of the setting of the grouting composition of example 5 at different temperatures and in different time ranges.
  • the purpose of the application (the problem to be solved) is to conduct RIR, predict and achieve the setting of cement stone using the claimed designation, after 90 minutes at a temperature of 180 degrees. FROM.
  • the grouting composition of example 6 contains: Base H-Stone, magnesium oxide with a percentage of magnesium oxide of 97 percent - 45.10%; Base M-Stone, magnesium sulfate seven-water - 18.28%, Inhib X-Stone, nitrilotrimethylphosphonic acid - 1.13%; Inhib I-Stone, sodium hexametaphosphate - 1.35%; water - 34.13%.
  • FIG. 6 shows the dependence of the setting of the grouting composition of example 6 at different temperatures and in different time ranges.
  • SUBSTITUTE SHEET (RULE 26) • The occurrence interval of the reservoir is 3000-3100 m. (Along the trunk).
  • the well is filled with a drilling fluid of 1, 24 g / cm.
  • the purpose of the application (the problem to be solved) is to eliminate the absorption of the drilling fluid, to predict and achieve the setting of cement stone when using the claimed invention after 90 minutes at a temperature of 60 degrees. FROM.
  • the grouting composition of example 7 contains: Base H-Stone, magnesium oxide with a percentage of magnesium oxide of 97 percent - 23.94%; Base L-Stone, ground caustic magnesite, based on magnesium oxide (MgO) with a percentage of magnesium oxide from 75 to 85 percent - 23.94%; Base M-Stone, magnesium sulfate seven-water - 17.52%, Inhib I-Stone, sodium hexametaphosphate - 1, 91%, water 32.70%.
  • FIG. 7 shows the dependence of the setting of the grouting composition of example 7 at different temperatures and in different time ranges.
  • Table 3 shows the component composition of the claimed invention according to examples 1-7, as well as the operational characteristics of the obtained compositions.
  • Water resistance to compressive strength (((Compressive strength, MPa + Increase in compressive strength in an aqueous medium over time, MPa) / Compressive strength, MPa) * 100) - 100.
  • the results obtained on the change in compressive and bending strength of a material in an aqueous medium were calculated by the difference between the strengths of a material in an aqueous medium after 7 days and in the air after 24 hours.
  • the temperature range of application of the claimed composition is from minus 5 degrees. S. up to 180 degrees. FROM.
  • the composition has increased sedimentation stability in comparison with other magnesia cements based on magnesium oxide and magnesium chloride, which is especially important when installing cement bridges and many RIRs (repair and insulation works).
  • the bridge was always detected in the specified interval.
  • the proposed method is superior to domestic and foreign counterparts in strength characteristics, in the accuracy of predicting the setting time of cement stone, in ensuring the water resistance of the cement stone obtained under waterflood conditions.

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  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structural Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

L'invention concerne une composition tampon de réparation et isolation contenant des substances liantes à base de magnésie, et peut être utilisée dans l'industrie du pétrole et du gaz, dans des processus de forage et de réparation de puits de pétrole, de gaz et d'eau afin de supprimer l'absorption de liquides de lavage, au cours de travaux de réparation et d'isolation afin de supprimer les écoulements d'eau, ainsi que lors de la cimentation d'espaces inter-colonnes et de colonnes de tubage. Le but de a présente invention est de former une composition tampon de réparation et d'isolation contenant des substances liantes à base de magnésie ayant les propriétés suivantes : possibilité de commander et de prédire le temps de prise de la pierre faisant tampon avec une précision d'une minute dans diverses conditions barothermiques allant de températures négatives (moins 5°C) à des températures de 180°C ; empêcher une dégradation des caractéristiques de résistance pendant le séjour du matériau dans un milieu aqueux (dans des conditions d'inondation) ; et assurer la stabilité de sédimentation de la solution. Le résultat technique de la présente invention est atteint grâce à une composition tampon de réparation et isolation contenant des substances liantes à base de magnésie « quick-stone », laquelle comprend de l'oxyde de magnésium et/ou de la magnésite caustique broyée à base d'oxyde de magnésium et du sulfate de magnésium semi-aqueux, et comprend également un inhibiteur de durcissement consistant en de l'hexamétaphosphate de sodium et/ou de l'acide nitrilotriméthylphosphonique, ceci selon le contenu suivant des substances en % en poids : oxyde de magnésium et/ou magnésite caustique broyée 44,71-55,56 ; sulfate de magnésium semi-aqueux 13,33-22,47 ; eau 29,47-35,77 ; hexamétaphosphate de sodium 0-2,7 (plus de de 100%) acide nitrilotriméthylphosphonique 0-1,14(plus de 100%).
PCT/RU2014/000512 2013-08-07 2014-07-11 Composition tampon de réparation et isolation contenant des substances liantes à base de magnésie « quick-stone » WO2015020564A1 (fr)

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RU2013136962/03A RU2563466C2 (ru) 2013-08-07 2013-08-07 Ремонтно-изоляционный, тампонажный состав на основе магнезиальных вяжущих веществ "quick-stone"
RU2013136962 2013-08-07

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Cited By (1)

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CN113382856A (zh) * 2018-12-03 2021-09-10 I4F许可有限责任公司 装饰性镶板和由所述镶板组成的装饰性地板覆盖物

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RU2630824C1 (ru) * 2016-06-17 2017-09-13 Общество с ограниченной ответственностью "МИРРИКО" Ремонтно-изоляционный тампонажный состав
RU2751523C1 (ru) * 2021-02-16 2021-07-14 Общество с ограниченной ответственностью «МИРРИКО» Ремонтно-изоляционный тампонажный состав на основе магнезиальных вяжущих веществ (варианты)

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RU2078197C1 (ru) * 1994-11-22 1997-04-27 Валентин Исаакович Корнеев Магнезиальный тампонажно-герметизирующий материал
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US20100006288A1 (en) * 2008-07-10 2010-01-14 Halliburton Energy Services, Inc. Sorel cements and methods of making and using same
UA72710U (en) * 2012-02-20 2012-08-27 Полтавский Национальный Технический Университет Имени Юрия Кондратюка Grouting mortar
RU2460755C2 (ru) * 2010-10-20 2012-09-10 Елена Александровна Румянцева Тампонажный материал для цементирования обсадных колонн и способ его приготовления

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RU2023705C1 (ru) * 1991-09-04 1994-11-30 Комбинат "Магнезит" Магнезиальное вяжущее
RU2078197C1 (ru) * 1994-11-22 1997-04-27 Валентин Исаакович Корнеев Магнезиальный тампонажно-герметизирующий материал
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