Yang Weiping, Zhang Yun, Wang Qiuju. CEMENTION WITH LEADING LIGHTWEIGHT DRILLING FLUID FOR ADJUST WELL WITH LONG SEAL SECTION AND LOSS HAZARD FORMATION[J]. Oil Drilling & Production Technology, 1996, 18(1): 39-43. DOI: 10.3969/j.issn.1000-7393.1996.01.009
Citation: Yang Weiping, Zhang Yun, Wang Qiuju. CEMENTION WITH LEADING LIGHTWEIGHT DRILLING FLUID FOR ADJUST WELL WITH LONG SEAL SECTION AND LOSS HAZARD FORMATION[J]. Oil Drilling & Production Technology, 1996, 18(1): 39-43. DOI: 10.3969/j.issn.1000-7393.1996.01.009
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CEMENTION WITH LEADING LIGHTWEIGHT DRILLING FLUID FOR ADJUST WELL WITH LONG SEAL SECTION AND LOSS HAZARD FORMATION

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  • For solving the problems of lost circulation and poor cementing qualities in long seal section of adjust well in Zhongyuan oilfield,a new cementing technique was adopted that lead lightwight drilling fluid make annular pressure lower than dual densities cementing to prevent loss circulation from occurring.
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