FIELD: lining of casing. SUBSTANCE: composition contains foamed polystyrene (670-72 mass %), low pressure polyethylene (10-14 mass %) and wood dust ( 16-18 mass %). Density of casing is 1484 kg/m3. EFFECT: improves quality of desired product. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| COMPOUND FOR LINING CASING | 1990 |
|
RU2014424C1 |
| LOAD-CARRYING MEANT FOR OPERATION IN DRILLING FLUID OF SUPERDEEP BOREHOLES | 0 |
|
SU1798817A1 |
| CABLE LINE | 0 |
|
SU1831742A3 |
| WELL SUPPORT METHOD | 0 |
|
SU1765362A1 |
| CASING STRING FOR DEEP WELLS | 1990 |
|
RU2017928C1 |
| DRILL PIPE | 1991 |
|
RU2015293C1 |
| DRILL PIPE WITH LIGHTENING OUTER COATING | 1992 |
|
RU2074946C1 |
| DRILL PIPE WITH GAS LINING | 1997 |
|
RU2149975C1 |
| METHOD OF DRILLING THE DIRECTIONAL AND HORIZONTAL PROSPECTING OR PRODUCING WELL FROM OIL AND GAS | 1998 |
|
RU2149973C1 |
| METHOD OF PACKING SOLID MATERIALS DURING UNDERGROUND TREATMENT OPERATIONS | 2014 |
|
RU2679934C1 |
