FIELD: transport.
SUBSTANCE: foam-polymeric hermitic packer is introduced into pipeline, glued to pipeline inner wall by polyurethane foam-class agent, glued connection is seasoned until solidification; repair is conducted and hermitic packer is removed from pipeline. Hermitic packer in form of foam-polymeric cylinder is made of expanded polystyrene or of foamed , impregnated at least from one end with organic agent securing protection of hermitic packer from destruction by aggressive components of media inside pipeline. Removal of hermitic packer from pipeline is effected by its dissolution by organic solvent.
EFFECT: increases processability of repair work.
10 cl, 1 dwg
Title | Year | Author | Number |
---|---|---|---|
METHOD OF TEMPORARY OVERLAPPING OF THE GAS PIPELINE | 2016 |
|
RU2661229C2 |
ACID CORROSION INHIBITOR, MAINLY HYDROCHLORIC ACID CORROSION (VERSIONS) | 2006 |
|
RU2303082C1 |
REAGENT-ADDITIVE TO LIQUID FOR KILLING OF WELL | 2008 |
|
RU2385893C1 |
HYDROCHLORIC ACID COMPOSITION FOR REMOVING FILTER CAKE FROM BOTTOMHOLE FORMATION ZONE | 2009 |
|
RU2389750C1 |
REAGENT FOR CHANGING DIRECTION OF FILTRATION STREAMS WHEN PERFORMING TREATMENT OF BOTTOMHOLE FORMATION ZONE IN INJECTION AND PRODUCTION WELLS, AND A METHOD OF PREPARING THE SAME | 2006 |
|
RU2312881C1 |
BACK FILLING COMPOSITION | 2007 |
|
RU2351631C1 |
SHUT-OFF DEVICE | 1999 |
|
RU2174206C2 |
METHOD OF REPAIRING OIL PIPELINE USING TEMPORARY OVERLAP | 2015 |
|
RU2604981C1 |
SOLID REAGENT FOR ACID TREATMENT OF WELL AND PROCESS OF ACID TREATMENT OF WELL, PREFERABLY WATER-SUPPLY WELL | 2006 |
|
RU2323243C1 |
METHOD FOR MANUFACTURING OF FOAM POLYMER HEAT INSULATION ON PIPES | 2007 |
|
RU2374552C2 |
Authors
Dates
2008-12-20—Published
2007-05-03—Filed