Research Article
A New Multichelating Acid System for High-Temperature Sandstone Reservoirs
Table 2
Comparisons of diffraction data of CaSO4·2H2O.
| | | Peak number | (10−10 m) | | | | |
| | Straight crystal | 1 | 7.58121 | 11.6731 | 0 | 2 | 0 | | 2 | 4.2811 | 20.7488 | 1 | 2 | 1 | | 4 | 3.06593 | 29.127 | 0 | 0 | 2 |
| | After treatment of SAV-1/SAV-2 | 1 | 7.61214 | 11.6762 | 0 | 2 | 0 | | 2 | 4.32105 | 20.7504 | 1 | 2 | 1 | | 4 | 3.13434 | 29.1294 | 0 | 0 | 2 |
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