POLYAMINOPOLYAMIDE-EPYCHLORHYDRINE RESINS DESIGNED FOR USE AS HYDRATION INHIBITORS OF CLAY AND CLAY SHALES FOR DRILLING INDUSTRY
FIELD: chemistry.SUBSTANCE: composition of drilling water-based fluid including a continuous water-based phase; a material of reactive clays or shales; a hydration inhibitor of shales containing polyaminoamide-epichlorhydrine resin, where the hydration inhibitor of shales is present with a concentra...
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| creator | VITAM Koul A POJNDEKSTER Majkl K TATAKE Prashant KING Stefen V |
| description | FIELD: chemistry.SUBSTANCE: composition of drilling water-based fluid including a continuous water-based phase; a material of reactive clays or shales; a hydration inhibitor of shales containing polyaminoamide-epichlorhydrine resin, where the hydration inhibitor of shales is present with a concentration sufficient to reduce the reactivity of clays or shales.EFFECT: inhibition of swelling of clay and shale that come into contact with fluids used in the drilling and the construction of oil and gas wells.12 cl, 2 tbl
Группа изобретений относится к бурению скважин. Технический результат - ингибирование набухания глины и глинистого сланца, которые вступают в контакт с текучими средами, использующимися при бурении и строительстве нефтяных и газовых скважин. Композиция буровой текучей среды на водной основе, включающая непрерывную фазу на водной основе; материал реакционноспособных глин или глинистых сланцев; ингибитор гидратации глинистых сланцев, содержащий полиаминополиамид-эпихлоргидриновую смолу, где ингибитор гидратации глинистых сланцев присутствует с концентрацией, достаточной для уменьшения реакционной способности глины или глинистого сланца. 2 н. и 10 з.п. ф-лы, 2 табл. |
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Группа изобретений относится к бурению скважин. Технический результат - ингибирование набухания глины и глинистого сланца, которые вступают в контакт с текучими средами, использующимися при бурении и строительстве нефтяных и газовых скважин. Композиция буровой текучей среды на водной основе, включающая непрерывную фазу на водной основе; материал реакционноспособных глин или глинистых сланцев; ингибитор гидратации глинистых сланцев, содержащий полиаминополиамид-эпихлоргидриновую смолу, где ингибитор гидратации глинистых сланцев присутствует с концентрацией, достаточной для уменьшения реакционной способности глины или глинистого сланца. 2 н. и 10 з.п. ф-лы, 2 табл.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | POLYAMINOPOLYAMIDE-EPYCHLORHYDRINE RESINS DESIGNED FOR USE AS HYDRATION INHIBITORS OF CLAY AND CLAY SHALES FOR DRILLING INDUSTRY |
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