Shaanxi Yanchang Petroleum Balasu Coal Industry Co., Ltd. sent a thank-you letter to China Coal Science Group Xi'an Research Institute Co., Ltd., congratulating the successful application of the "directional long drilling + conventional short drilling" segmented fracturing compre

2025/05/2700:10:34 news 1906

Shaanxi Yanchang Petroleum Balasu Coal Industry Co., Ltd. sent a thank you letter to China Coal Science Group Xi'an Research Institute Co., Ltd., congratulating the successful application of the "directional long drilling + conventional short drilling" segmented fracturing comprehensive three-dimensional advance regional governance technology in Balasu Coal Mine, which was independently developed by the mine pressure disaster prevention and control team of the Xi'an Research Institute for its successful application of the "directional long drilling + conventional short drilling" segmented fracturing comprehensive three-dimensional advance regional governance technology in Balasu Coal Mine. The balasu coal mine is an infrastructure mine. The upper part of the coal seam of its first mining face has multiple thick and thin sandstone layers and hard top plates, which are characterized by high strength, good integrity and strong self-supporting ability. During the initial mining period of the working face, the upper roof plate cannot collapse in time. The rear goaf area is prone to produce large-area overhangs. When it collapses, it is very easy to cause safety hazards such as " hurricane , bracket crushing to death" and other strong ore-pressure power disasters. To solve the above problems, the mine-pressure disaster prevention and control team of the Geological Gas Institute of Xi'an Research Institute is based on the actual situation on the spot, focusing on the governance goals, focusing on key issues, and targeting the comprehensive three-dimensional advance regional governance technology of segmented fracturing to the first mining work surface. During the critical period of construction, the leaders of the Geological Gas Institute visited the site many times to guide the overall deployment, implement safety responsibilities, and optimize resource allocation; during the construction period, the mine pressure disaster prevention and control team strictly controlled all links, flexibly adopted parallel operation methods, and completed the stage construction tasks with excellent professional qualities with high standards and high quality. After the control of

33332m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32m32 "Directional long drilling + conventional short drilling" segmented fracturing comprehensive three-dimensional advance regional governance technology has significant effect in the treatment of Balasu Coal Mine, ensuring safe and efficient mining of the first mining face, and winning recognition and high praise from the owners.

news

These days, Lao Tang went to Yelang Gu, who "drinks Yelang wine and becomes a groom every night". Anyway, this legendary figure who always wears glasses is actually a rough man. Whether he is the groom is the beautiful Yujiu wine.

Have hundreds of millions of base wines gone? Even if you are a groom every night, you can't stand it

05/28 1857

The under construction of Wangxia Expressway Daxia River Bridge Youqiangtanggou Super Bridge Zhifu Road Wangxia Expressway connects the Wangxia Expressway on the banks of the Daxia River in Sanke Town Ecological Tourism Road Wanggeertang Interconnection Area of Wangxia Expressw

Keeping the original intention and cultivating the ancient Tang and Tibet Road, gathering efforts to create quality transportation——A side note on the construction of the Wangxia Expressway Project on the S38 Line

05/28 1631

The outbreak of the epidemic in early 2020 has been almost three years since then. These three years have been really difficult for most people. There was a news some time ago that Ren Zhengfei spoke at the Huawei internal forum: "In the next three years, Huawei will make surviva

In the past few years, everyone must spend less money! Hold the rice bowl tightly

05/28 1284

During World War II, many women became comfort women among the Japanese. Not only did they have to endure the tortures of these Japanese people there, but they also had to suffer the abuses of hundreds of Japanese devils every day. One of them, a living comfort women, said everyt

The real experience of comfort women: "serving" hundreds of Japanese soldiers every day, their bodies were ruined

05/28 1958

1. Sour jujubes should be a kind of wild jujube that has never been domesticated. The dates are not big, slightly red, crisp and sweet. It's cooked and not very good. There is another type that is white, commonly known as white wax white in some places, and it is also very delici

What wild animals are there in autumn in Shandong?

05/28 1958

The previous article also mentioned that the lunch and dinner on the festive day are the most formal and grand.

132. Village banquet in memory and present (2) - Dinner

05/28 1801

However, at Li Ning's new autumn product launch conference recently, the eye-catching clothing has been overturned, like the military uniforms of the Japanese invaders! Someone shouted for Li Ning, you are too picky.

There will be monsters when things happen! Li Ning's new product is suspected of invading Japanese military uniforms. It turns out that the president is a Japanese Chinese

05/28 1354

There are many things in life that we cannot understand, which requires answers from netizens. Below are 50 strange discoveries from people in their lives. Is this beyond your perception?

30 strange discoveries in life

05/28 1469

On October 16, the last performance of the Shanghai Drama Art Center's large-scale drama "Heroic Sons and Daughters" welcomed a group of special audiences - 15 veteran Chinese People's Volunteer Army soldiers with an average age of 87.8 years old, Huang Jianhua, Peng Yan, Liu Jia

15 veterans with an average age of 87.8 years old warriors in the War to Resist U.S. Aggression and Aid Korea returned to the battlefield, and some people brought a spoon made from bullets.

05/28 1186