FIELD: chemistry.
SUBSTANCE: invention relates to oil-and-gas industry and can be used as composition of a liquid bath for freeing stuck pipe columns in difficult mining and geological conditions. The bath composition for freeing pipe columns contains, wt %: glycerin - 10 to 15; hydroxylamine chloride - 20 to 25; water - the rest.
EFFECT: increased efficiency of freeing stuck pipe columns due to increase in degree of breakdown of the coagulation structure of clay particles in the well through improved dispersant properties of the composition.
1 tbl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| BATH COMPOSITION FOR FREEING STUCK PIPE COLUMNS | 2007 |
|
RU2374297C2 |
| SPOTTING ADDITIVE TO DRILLING FLUID BASED ON GLYCERINE | 2019 |
|
RU2712854C1 |
| METHOD OF RELEASING PIPES SEIZED IN WELL | 0 |
|
SU1375792A1 |
| METHOD FOR RELEASING DRILL PIPES AND ROCK-CUTTING TOOLS | 0 |
|
SU1712580A1 |
| COMPOSITION OF BATH FOR RELEASING PIPE STRING STUCK IN A WELL | 0 |
|
SU1073432A1 |
| COMPOSITION OF BATH FOR LIQUIDATION OF STICKING OF STRING OF PIPES | 1998 |
|
RU2156857C2 |
| METHOD OF DRILLING TOOL STICKING LIQUIDATION IN WELL | 2001 |
|
RU2263199C2 |
| FLUID FOR RELEASING STICK PIPES IN HOLE | 0 |
|
SU1744242A1 |
| COMPOSITION OF BATH FOR RELEASING DRILLING TOOLS IN BOREHOLES | 0 |
|
SU1789546A1 |
| METHOD OF RELEASING PIPES STUCK IN A HOLE | 0 |
|
SU1002515A1 |
