Drilling mud cake hardening enhancer
A technology of reinforcing agent and drilling mud, applied in the field of drilling fluid additives, can solve the problems of poor cementing strength and cementing interface sealing quality
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Embodiment 1
[0021] Weigh 9 g of sodium hydroxyethylidene diphosphate-sodium polyacrylate, 40 g of modified calcium magnesium silicate whiskers, 11 g of titanate coupling agent JTW-201, 18 g of hydrated silicon dioxide, and 12 g of polyether organic disilicate sodium 10g of polycarboxylic acid comb macromolecule MF-508 is mixed to make drilling mud cake hardening enhancer.
Embodiment 2
[0023] Weigh 12g of sodium hydroxyethylidene diphosphate-sodium polyacrylate, 37g of modified calcium magnesium silicate whiskers, 12g of titanate coupling agent JTW-201, 16g of hydrated silicon dioxide, and 13g of polyether organic disilicate sodium 10g of polycarboxylic acid comb macromolecule MF-508 is mixed to make drilling mud cake hardening enhancer.
Embodiment 3
[0025] Weigh 8 g of sodium hydroxyethylidene diphosphate-sodium polyacrylate, 41 g of modified calcium magnesium silicate whiskers, 9 g of titanate coupling agent JTW-201, 17 g of hydrated silicon dioxide, and 13 g of polyether organic disilicate sodium 12g of polycarboxylate comb macromolecule MF-508 is mixed to make drilling mud cake hardening enhancer.
[0026] The components used in the examples are all commercially available. The manufacturer of the titanate coupling agent JTW-201 is Nanjing Pinning Coupling Agent Co., Ltd., and the manufacturer of the polycarboxylate comb-like macromolecule MF-508 is Qinhuangdao Concrete Construction Admixture Co., Ltd.
[0027] The hardening enhancer prepared in the above-mentioned embodiment is added to the drilling fluid according to the ratio of 1.5-3% by weight and volume after drilling and passing through the well as required, and the performance of the drilling fluid is controlled to meet the requirements of drilling engineering a...
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Abstract
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