Hole sealing material of potassium-magnesium salt mine drilling holes and hole sealing method thereof
A technology of sealing material and potassium magnesium salt, which is applied in the field of salt mine exploration, can solve the problems that clay balls cannot be thrown into the bottom of the hole, it is difficult to guarantee the quality of sealing holes, and there are hidden dangers in the quality of sealing holes, so as to achieve good resistance to rock salt and brine Corrosion performance, low cost, fast setting effect
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Embodiment 1
[0022] Embodiment 1 A kind of sealing material of potassium-magnesium salt mine drilling, this material is mixed by the raw material of following weight ratio: drilling circulation fluid 2170kg used for drilling potassium-magnesium salt mine, aggregate 1000kg, magnesium oxide 450kg, 0.5kg of anti-water agent.
[0023] Among them: aggregate refers to rock salt with particle size φ≤10mm; magnesia is active magnesia powder; water-resistant agent is phosphoric acid; the composition of the drilling circulating fluid used for drilling potassium-magnesium salt mines is: water 1519kg, magnesium chloride 471kg, Potassium chloride 60kg, sodium chloride 40kg, bentonite 80kg.
[0024] The sealing method of the sealing material comprises the following steps:
[0025] (1) Drilling circulating fluid used in potassium-magnesium salt mine drilling is pumped into the mud mixing tank from the mud pool with a mud pump.
[0026] (2) In the mud mixing tank with drilling circulating fluid, add agg...
Embodiment 2
[0028] Embodiment 2 A kind of sealing material for drilling holes in potassium-magnesium salt mines, which is formed by stirring and mixing raw materials in the following weight ratios: 2210 kg of drilling circulating fluid used in drilling potassium-magnesium salt mines, 800 kg of aggregate, magnesium oxide 160kg, 3kg of anti-water agent.
[0029] Among them: Aggregate refers to gypsum salt with particle size φ≤10mm; Magnesium oxide is active magnesium oxide powder; Water-resistant agent is superphosphate.
[0030] The composition of the drilling circulation fluid used in the drilling of potassium-magnesium salt mines is: 1540kg of water, 450kg of magnesium chloride, 35kg of potassium chloride, 25kg of sodium chloride, and 160kg of bentonite.
[0031] The sealing method of the sealing material is the same as in Example 1.
Embodiment 3
[0032] Embodiment 3 A kind of sealing material of potassium-magnesium salt mine drilling, this material is mixed by the raw material of following weight ratio: 2040kg of drilling circulating fluid used in drilling of potassium-magnesium salt mine, aggregate 240kg, magnesium oxide 120kg and 1kg of anti-water agent.
[0033] Among them: aggregate refers to gravel with particle size φ≤10mm; magnesium oxide is active magnesium oxide powder; water-resistant agent is diammonium phosphate.
[0034] The composition of the drilling circulating fluid used in the drilling of potassium magnesium salt mine is: 1020kg of water, 620kg of magnesium chloride, 80kg of potassium chloride, 50kg of sodium chloride, 300kg of bentonite and 10kg of carboxymethyl cellulose.
[0035] The sealing method of the sealing material is the same as in Example 1.
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