Acidification blocking remover used for removing coal-bed gas well pollution blockage
A coalbed methane well and plugging agent technology, applied in the chemical field, can solve the problems of safety and hidden dangers of acidizing plugging remover, and achieve the effects of simple and effective acidizing system, convenient storage, and strong corrosion ability
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Embodiment 1
[0023] In weight percent, acidifying plugging remover:
[0024] 5.0% sulfamic acid, 4.0% ammonium bifluoride, 2.0% acetic acid, 1.0% formaldehyde, 1.5% butynediol, 1.0% ammonium chloride, and the balance is water.
Embodiment 2
[0026] In weight percent, acidifying plugging remover:
[0027] 4.0% sulfamic acid, 4.0% ammonium bifluoride, 2.0% acetic acid, 2.0% formaldehyde, 1.0% butynediol, 0.
[0028] 5% ammonium chloride, the balance is water.
Embodiment 3
[0030] In weight percent, acidifying plugging remover:
[0031] 4.0% sulfamic acid, 5.0% ammonium bifluoride, 2.0% acetic acid, 1.0% formaldehyde, 1.0% butynediol, 1.0% ammonium chloride, and the balance is water.
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