据Oil & Gas Journal网站4月23日报道 贝克休斯公司的数据显示，截至4月23日当周，美国钻机数量减少了1部，至438部，与去年同期的465部相比减少了27部。
陆上钻机数量与上周持平，共计426部。海上钻机数量减少了1部，至11部。
美国石油导向钻机数量比上周减少1部，至343部，去年同期为378部。天然气导向钻机数量保持不变，仍为94部，比去年同期多9部。
在主要的石油和天然气生产州中，新墨西哥州的钻机数量增长幅度最大，共增加1部，至47部。
德克萨斯州减少了3部，至211部。
本周有11个州钻机数量保持不变：路易斯安那州47部、俄克拉荷马州21部、宾夕法尼亚州18部、北达科他州15部、西弗吉尼亚11部、科罗拉多州10部、俄亥俄州10岁部、犹他州8部、加利福尼亚州7部、怀俄明州4部和阿拉斯加3部。
加拿大钻机数量减少了1部，至55部，这一数字与去年同期的26部相比多了29部。加拿大石油导向钻机数量为17部，本周持平。天然气导向钻机数量下降了1部，至38部。
吴恒磊 编译自 Oil & Gas Journal
原文如下：
Baker Hughes: US rig count down 1 unit to 438
The US drilling rig count decreased by 1 unit to reach 438 rigs working for the week ended Apr. 23, according to Baker Hughes data. The count is down 27 units from the 465 rigs working this time a year ago.
The number of rigs drilling US oil-directed rigs were down 1 rig from last week at 343 units. This time a year ago, 378 units were drilling for oil. Rigs targeting gas were unchanged at 94, 9 more than were drilling for gas at this time a year ago.
Of the major oil and gas-producing states, New Mexico saw the Texas dropped 3 rigs to reach 211 rigs running for the week.
Eleven states remained unchanged this week, namely Louisiana 47; Oklahoma, 21; Pennsylvania, 18; North Dakota 15; West Virginia, 11; Colorado, 10; Ohio, 10; Utah, 8; California, 7; Wyoming, 4; and Alaska, 3.
Canada’s rig count decreased by 1 unit to 55 rigs drilling for the week. The count is 29 more than the 26 units drilling this week a year ago. At 17 units, Canada’s oil-directed rig count is unchanged for the week. The gas-directed rig count in Canada is down 1 unit to 38.