Efficient foam dehydrant composition and preparation method and application thereof
A foam drainage agent and composition technology, which are applied in drilling compositions, chemical instruments and methods, etc., can solve the problems of stop blowing and gas well production reduction, and achieve increased salt resistance, good temperature resistance, and enhanced liquid carrying capacity. Effect
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[0043] In order to solve the second technical problem of the present invention, the preparation method of the high-efficiency foam drainage composition of the present invention comprises the steps:
[0044] The high-efficiency foam drainage agent composition is obtained by uniformly mixing alkylamine polyether benzene sulfonate and long-chain polyether nitrogen-containing compound with water according to the required mass fraction.
[0045] When the high-efficiency foam drainage composition in the present invention is prepared, there is no special requirement for water, it can be deionized water, and it can also be water containing inorganic minerals, and the water containing inorganic minerals can be tap water, oilfield formation water Or oil field injection water.
[0046] In order to solve the third technical problem of the present invention, the application of the high-efficiency foam drainage composition of the present invention includes the above-mentioned high-efficienc...
Embodiment 1
[0050] Under normal temperature and pressure, weigh alkylamine polyether benzene sulfonate and long-chain polyether nitrogen-containing compounds according to the mass ratio of 1:2, respectively in simulated aqueous solutions with salinity of 0, 100,000, and 200,000 mg / L Dissolve and prepare a 750mg / L solution to obtain the high-efficiency foam drainage composition HF-1. The composition structure is detailed in Table 1.
Embodiment 2
[0052] Under normal temperature and pressure, weigh alkylamine polyether benzene sulfonate and long-chain polyether nitrogen-containing compounds according to the mass ratio of 1:10, respectively in simulated aqueous solutions with salinity of 0, 100,000, and 200,000 mg / L Dissolve and prepare a 750mg / L solution to obtain the high-efficiency foam drainage composition HF-2. The composition structure is detailed in Table 1.
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