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哈萨克斯坦阿克陶区块位于滨里海盆地,靠近里海。该文仔细分析了在该区块钻进过程中钻井液存在的技术难题,有针对性的进行了技术攻关,优选了欠饱和盐水抗高温钻井液体系配方,并对钻井液配方的抗温性能和顶替液性能进行了评价,根据室内的实验情况,结合现场制定了钻井液施工方案、钻井液维护措施,依据钻井液技术难点制定了相应的防泥包、优快钻进、抗高温等技术对策,并用于现场。施工中钻井液性能稳定,流变性能良好,且具有很好的抗高温性,满足了钻井施工,地质录井的要求,形成了适合阿克陶区块施工的配套钻井液技术。
Kazakhstan Akedao block is located in the Caspian Sea basin, near the Caspian Sea. The paper carefully analyzed the technical problems of drilling fluid in the process of drilling in this block, and tackled the key technical problems. The formula of the anti-high temperature drilling fluid system was optimized, and the temperature resistance of drilling fluid formulation According to the experimental conditions indoors, the drilling fluid construction plan and drilling fluid maintenance measures were formulated, and the corresponding anti-mud packs, quick drilling and high temperature resistant technologies were developed according to the drilling fluid technical difficulties Countermeasures, and for the scene. The drilling fluid has stable performance and good rheological performance during construction, and has good high temperature resistance. It meets the requirements of well drilling and geological logging and forms a complete set of drilling fluid technology suitable for the construction of Atai block.