The probability of packer sticking is increased because of the casing deformation and crustation in casing failure well.
在损井中,管变形、结垢等因素,进一步加大了隔卡钻的可能性。
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Since 2015 corporate packers gross margin has ballooned from average of 100-200 a head to well over 1,000 ahead while cattle producers go out of business and consumers pay double or even triple at the meat counter.
自2015年以来,企业包的毛利率从平均每头100-200美元飙升至远超每头1000美元,而养牛商纷纷倒闭,消费者在肉类柜台上花了两倍甚至三倍的钱。