Pilot test of linear water injection may be carried out to improve the sweep efficiency of the injected water and improve the effect of block development.
开展线性注水先导试验,提高注入水的波及系数,改善区块开发效果。
Steam drive pilot test in Block Qi40 has achieved ideal development result, but the sweep efficiency is low and stable production period is short because of reservoir heterogeneity.
齐40块蒸汽驱先导试验取得了较为理想的开发效果,但由于受油藏非均质性的影响,蒸汽驱过程中出现了蒸汽波及效率低、稳产时间短等现象。
This algorithm combines the block Pilot-aided LS channel estimation algorithm with a phase tracking algorithm, which can compensate the phase rotation caused by the residual carrier frequency offset.
该算法在传统的基于块状导频的Ls信道估计算法的基础上,加入了相位跟踪算法,补偿了由残余频偏带来的相位旋转。
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