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0200037201 20031027103650.0 031027s2001 ilua fr |00||||eng | CNY1067.18 NGL a662.23 湿地水平定向钻井中泥浆影响的评价:地下和地球物理条件对意外转向的关系. chi Evaluating the effects of muds on wetlands from horizontal directional drilling : the relationship of subsurface and geophysical conditions to inadvertent returns : topical report / prepared by Carl E. Tammi ... [et al.]. Chicago, IL : Gas Research Institute, 2001. iv, (various pagings) : ill. ; 28 cm. GRI ; 01/0233 GRI contract no. : 5097-250-4046. Drilling muds Wetlands. aTammi, Carl E. aCN bNGL NGL EB00063922 r¥1067.18 662.23 T15 ayl b1 eyll0308