青海油田加速非常规资源开发
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摘要:日前,在柴达木盆地英雄岭构造带英页3H平台,四座钻井高高挺立,钻具轰鸣向着地下储层全速钻进。英页3H平台四口井均已一开完钻,与英页2H平台相比,进尺增加近百米,钻井时间缩短近一周,降幅40%以上。伴随着常规资源的不断劣质化,亟需寻找新的效益增长点。2021年,..

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日前,在柴达木盆地英雄岭构造带英页3H平台,四座钻井高高挺立,钻具轰鸣向着地下储层全速钻进。英页3H平台四口井均已一开完钻,与英页2H平台相比,进尺增加近百米,钻井时间缩短近一周,降幅40%以上。

伴随着常规资源的不断劣质化,亟需寻找新的效益增长点。2021年,青海油田正式从常规找油气向着非常规探索迈进,在细如头发丝的页岩孔隙中开发原油。2023年页2H平台取得较好效果,极大振奋了页岩油勘探开发的信心和决心。2024年在干柴沟部署了英页3H中甜点提产先导试验平台,目的层位为已经取得较好实施效果的14、15箱体,前期勘探开发过程中油田累计在中甜点部署实施7口水平井,目前日产原油87.3吨,累产原油2.96万吨。

勘探开发研究院非常规研究所姜明玉告诉记者:“英页3H平台试验目的为通过从黄金靶层、井网井距、压裂规模等方面开展提产攻关,从优快钻井、工厂压裂等方面开展提速攻关,从大包模式、电代油等方面开展提效攻关,完善固化配套技术系列,实现页岩油效益开发。”

Recently, on Yingye 3H platform in Yingxiong Ling Structure zone of Qaidam Basin, four drilling RIGS are standing tall and drilling tools are roaring into underground reservoirs at full speed. The four Wells of Yingye 3H platform have been drilled once, and compared with Yingye 2H platform, the penetration has increased by nearly 100 meters, and the drilling time has shortened by nearly a week, a decrease of more than 40%.

With the constant inferior quality of conventional resources, it is urgent to find new benefit growth points. In 2021, Qinghai Oilfield officially moved from conventional oil and gas exploration to unconventional exploration, developing crude oil in shale pores as thin as hair. The 2H platform achieved good results, which greatly stimulated the confidence and determination of shale oil exploration and development. In 2024, Yingye 3H middle dessert production pilot test platform was deployed in Qianchaigou, the target layer is 14, 15 boxes that have achieved good implementation results. During the early exploration and development process, 7 horizontal Wells were deployed in the middle dessert. At present, the daily output of crude oil is 87.3 tons, and the cumulative output of crude oil is 29,600 tons.

Jiang Mingyu, unconventional research Institute of Exploration and Development Research Institute, told reporters: "The Yingye 3H platform test aims to realize the beneficial development of shale oil by tackling production improvement from the aspects of gold target formation, well pattern spacing and fracturing scale, accelerating from the aspects of optimal and fast drilling and factory fracturing, improving efficiency from the aspects of large package mode and electric oil replacement, and improving curing supporting technology series."


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