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我国油气探矿权首次拍卖落槌 常规油气勘采吸引更多主体参与

2017-08-22 06:55:32   中国经济网

8月18日,我国页岩气探矿权首次拍卖在贵州开槌。经激烈角逐,贵州省产业投资(集团)有限责任公司以12.9亿元竞得正安县安场镇(含安页1号井)页岩气探矿权。这是我国在油气领域的首次探矿权拍卖,也是我国在深化石油天然气体制改革上的又一最新探索。

据悉,此次目标区块面积695.11平方千米,页岩厚度20米至25米,埋藏深度1500米至3500米。探矿权起始价为4236万元。值得注意的是,位于该区块内部的安页1井已经实现了10万立方米/日的稳定工业气流。

此前一周,国土资源部在发布我国油气资源勘探成果时表示,将完善并有序放开油气勘查开采,实行勘查区块竞争出让制度和更严格的区块退出机制,允许符合准入要求并获得资质的市场主体参与常规油气勘查开采。国土资源部地质勘查司司长于海峰表示,这是在上半年的《油气体制改革意见》公布后,国家首次出台的页岩气区块的拍卖文件,具有很高的参考和标杆意义。

此前,我国在页岩气勘探开采体制改革上多有探索。页岩气被列为我国第72种独立矿种,另对页岩气探矿权实行过多次招标,一些民营企业因此得以进入页岩气勘探开采领域。

分析人士称,与此前页岩气招标最大的不同是,此次拍卖对投标企业和中标企业有更明确的约束,要求拍卖探矿权首次设立的期限为3年。买受人须在3年内完成勘查实施方案设计的工作量,达到“三年落实储量、实现规模开发”目标后,可申请延续。延续期间,最低勘查投入每年每平方千米不低于5万元。

随着近年来油价下跌,曾经备受关注的页岩气开发曾一度陷入低潮。曾有消息称,在一些页岩气招标区块上,有些企业并未进入实际性勘探阶段。

近年来,我国页岩气勘探开发在四川盆地等地取得重大突破。其中,重庆涪陵页岩气田累计探明地质储量6008亿立方米,成为北美之外最大的页岩气田,预计2017年底将建成年产能100亿立方米。2016年,我国页岩气产量达78.82亿立方米,仅次于美国、加拿大。此外,延长油矿在鄂尔多斯盆地、中国地质调查局在贵州遵义正安、湖北宜昌陆续获得页岩气工业气流,实现页岩气勘探新区新层系的重大突破。

从技术而言,通过引进、消化吸收和技术攻关,我国已掌握了页岩气地球物理、钻完井、压裂改造等技术,具备了3500米以浅(部分地区已达4000米)水平井钻井及分段压裂能力,初步形成了适合我国地质条件的页岩气勘探开发技术体系。但也有业内人士表示,目前通行页岩气开采技术为水力压裂技术,对水资源要求较高,一些页岩气储量丰富地区因缺水可能对开采形成一定挑战。另因天然气管线掌握在部分大型石油公司手中,其他公司进入这一市场仍有一定难度。(经济日报记者 黄晓芳)

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