据Oil & Gas Journal网站5月21日报道 贝克休斯公司的数据显示，截至5月21日当周，美国钻机数量增加了2部，达到455部，比去年同期的318部增加了137部。
陆上钻机数量较上周增加3部，总计440部；海上钻机数量减少1部，至14部。
美国石油导向钻机数量比上周增加了4部，至356部，去年同期为237部。天然气导向钻机数量减少了1部，至99部，比去年同期增加20部。
在主要的石油和天然气生产州中，俄克拉荷马州的钻机数量增长幅度最大，共增加4部，至26部。
新墨西哥州增加2部，至26部。
德克萨斯州和路易斯安那州钻机数量各下降1部，钻机数量分别至214和53部。
本周有9个州钻机数量保持不变：宾夕法尼亚州19部、北达科他州16部、西弗吉尼亚11部、科罗拉多州10部、俄亥俄州10部、犹他州9部、加利福尼亚6部、怀俄明州4部和阿拉斯加4部。
加拿大钻机数量减少了1部，至58部，比去年同期的21部减少37部。加拿大石油导向钻机数量为25部，与上周持平。加拿大天然气导向钻机数量下降了1部，至33部。
吴恒磊 编译自 Oil & Gas Journal
原文如下：
Baker Hughes: US rig count up 2 units to 455
The US drilling rig count increased by 2 units to reach 455 rigs working for the week ended May 21, according to Baker Hughes data. The count is up 137 units from the 318 rigs working this time a year ago.
The number of rigs drilling on land was up 3 units week-over-week with a total of 440. The number of rigs drilling offshore was down a 1 rig to 14.
US oil-directed rigs were up 4 rigs from last week at 356 units. This time a year ago, 237 units were drilling for oil. Rigs targeting gas decreased 1 unit to 99, 20 more than were drilling for gas at this time a year ago.
Of the major oil and gas-producing states, Oklahoma saw the largest increase. A 4-rig increase brought the rig count to 26 for the week.
New Mexico gained 2 rigs to reach 26 running for the week.
Texas and Louisiana dropped a single rig each to hit 214 and 53 rigs for the week.
Nine states remained unchanged this week, namely Pennsylvania, 19; North Dakota, 16; West Virginia, 11; Colorado, 10; Ohio, 10; Utah, 9; California, 6; Wyoming, 4; and Alaska, 4.
Canada’s rig count decreased by 1 unit to 58 rigs drilling for the week. The count is 37 more than the 21 units drilling this week a year ago. At 25 units, Canada’s oil-directed rig count is unchanged from last week. The gas-directed rig count in Canada is down 1 unit to 33.
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