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小口径人造金刚石钻进用的冲洗液应根据地层的不同各有选择.我队开展小口径人造金刚石钻探,最初采用皂化溶解油作配制冲洗液的乳化剂.由于这种乳化剂对我队施工的碳酸盐地层不合适,发生严重破乳和糊钻现象.后改用氧化石腊皂配制乳化液.这种冲洗液排粉能力强,成本低,但润滑性较差.施工的钻孔遇到坍塌、漏失等复杂地层时,一般乳化冲洗液是解决不了的,必须使用泥浆护孔.因此,我们在施工CK2114-10号孔时,决定采用乳化泥浆.在矿中心试验室的积极支持配合下,我们试验用癸二酸下脚脂肪酸处理泥浆,取得了较好的效果.
Small diameter synthetic diamond drilling fluid used should be based on the formation of different options.We carry out small-diameter synthetic diamond drilling, the initial use of saponified dissolved oil for the preparation of the rinse solution emulsifier. As the emulsifier on my team construction Of the carbonate formation is not suitable, a serious demulsification and paste the phenomenon of drilling after the switch to the use of oxidized wax soap emulsions.This rinse liquid discharge capacity, low cost, but poor lubricity. Construction of drilling In the event of complex formations such as collapsing and loss, the general emulsifying solution can not be solved and mudblazing holes have to be used, so we decided to use emulsified slurries in the construction of holes No. CK2114-10. Positive support in the mine center laboratory With the cooperation, we test the sebacic acid footer fatty acid treatment of mud, and achieved good results.