A high-performance water-based drilling fluid formula
A water-based drilling fluid, high-performance technology, applied in the direction of drilling compositions, chemical instruments and methods, etc., can solve the problems of reducing drilling speed, easy formation of cuttings beds, and falling blocks, etc., to achieve excellent lubrication and reduce Effect of filtration loss and low lubrication coefficient
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Embodiment 1
[0022] A high-performance water-based drilling fluid consists of the following components in parts by weight:
[0023] 100 parts of fresh water, 3 parts of bentonite, 0.2 parts of polyacrylamide potassium salt, 2 parts of polyanionic cellulose, 1 part of lubricating fluid loss control agent, 2 parts of modified vegetable oil, 2 parts of SOTEX potassium salt, 7 parts of KCl, 0.5 part of D230 , 0.3 parts of NaOH, 60 parts of barite;
[0024] The preparation method of described lubricating fluid loss reducer is as follows:
[0025] Ultrasonic disperse 3 parts by weight of graphene oxide in 60 parts by weight of ethanol, add 28 parts by weight of amino-containing oleic acid imidazoline borate, and react at 80 ° C for 8 hours. Wash and dry the product.
Embodiment 2
[0027] A high-performance water-based drilling fluid consists of the following components in parts by weight:
[0028] 100 parts of fresh water, 3 parts of bentonite, 0.2 parts of polyacrylamide potassium salt, 1 part of lubricating fluid loss reducer, 2 parts of SOTEX potassium salt, 7 parts of KCl, 0.5 parts of D230, 0.3 parts of NaOH, 60 parts of barite;
[0029] The preparation method of described lubricating fluid loss reducer is as follows:
[0030] Ultrasonic disperse 3 parts by weight of graphene oxide in 60 parts by weight of ethanol, add 28 parts by weight of amino-containing oleic acid imidazoline borate, and react at 80 ° C for 8 hours. Wash and dry the product.
Embodiment 3
[0032] A high-performance water-based drilling fluid consists of the following components in parts by weight:
[0033] 100 parts of fresh water, 3 parts of bentonite, 0.2 parts of polyacrylamide potassium salt, 2 parts of lubricating fluid loss reducer, 2 parts of SOTEX potassium salt, 7 parts of KCl, 0.5 parts of D230, 0.3 parts of NaOH, 60 parts of barite;
[0034] The preparation method of described lubricating fluid loss reducer is as follows:
[0035] Ultrasonic disperse 3 parts by weight of graphene oxide in 60 parts by weight of ethanol, add 28 parts by weight of amino-containing oleic acid imidazoline borate, and react at 80 ° C for 8 hours. Wash and dry the product.
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