Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Multi-stage plugging, injecting and sealing method for gas extraction drill hole
The invention provides a multi-stage hole plugging, injecting and sealing method for a gas extraction drill hole. The method comprises the steps of preparing a mining hole sealing material, drilling a gas extraction drill hole, retreating the drill hole and cutting a seam, performing multi-stage hole plugging and sealing, and the like. According to the method, the mine hole sealing material can improve the expansion performance of cement and improve internal pores of a cement structure, and after the cement generates microcracks under the cyclic disturbance effect, the capsule core can permeate into the microcracks through the self-repairing capsule and can fill the microcracks. The novel mechanical slotting device can realize controllable multi-stage slotting. The multi-stage plugging and injecting hole sealing is not limited to traditional'two-plugging and one-injecting 'and'three-plugging and two-injecting' technologies, and a basis is provided for effective plugging of the gas extraction drill hole.
发明提供一种瓦斯抽采钻孔多级堵注封孔方法。该方法包括制备矿用封孔材料、钻设瓦斯抽采钻孔，退钻割缝、多级堵注封孔等步骤。该方法中矿用封孔材料可以实现提高水泥膨胀性能，改善水泥结构内部孔隙，并可以在水泥受循环扰动作用产生微裂缝后通过自修复胶囊实现囊芯向微裂缝内部渗透并会填充微裂缝。新型机械割缝装置能够实现可控多级割缝。多级堵注封孔未局限于传统的“两堵一注”和“三堵两注”技术，为瓦斯抽采钻孔的有效封堵提供依据。
Multi-stage plugging, injecting and sealing method for gas extraction drill hole
The invention provides a multi-stage hole plugging, injecting and sealing method for a gas extraction drill hole. The method comprises the steps of preparing a mining hole sealing material, drilling a gas extraction drill hole, retreating the drill hole and cutting a seam, performing multi-stage hole plugging and sealing, and the like. According to the method, the mine hole sealing material can improve the expansion performance of cement and improve internal pores of a cement structure, and after the cement generates microcracks under the cyclic disturbance effect, the capsule core can permeate into the microcracks through the self-repairing capsule and can fill the microcracks. The novel mechanical slotting device can realize controllable multi-stage slotting. The multi-stage plugging and injecting hole sealing is not limited to traditional'two-plugging and one-injecting 'and'three-plugging and two-injecting' technologies, and a basis is provided for effective plugging of the gas extraction drill hole.
发明提供一种瓦斯抽采钻孔多级堵注封孔方法。该方法包括制备矿用封孔材料、钻设瓦斯抽采钻孔，退钻割缝、多级堵注封孔等步骤。该方法中矿用封孔材料可以实现提高水泥膨胀性能，改善水泥结构内部孔隙，并可以在水泥受循环扰动作用产生微裂缝后通过自修复胶囊实现囊芯向微裂缝内部渗透并会填充微裂缝。新型机械割缝装置能够实现可控多级割缝。多级堵注封孔未局限于传统的“两堵一注”和“三堵两注”技术，为瓦斯抽采钻孔的有效封堵提供依据。
Multi-stage plugging, injecting and sealing method for gas extraction drill hole
一种瓦斯抽采钻孔多级堵注封孔方法
ZOU QUANLE (Autor:in) / WANG WEIZHI (Autor:in) / HU YULIN (Autor:in) / KONG FANJIE (Autor:in) / XU BOCHAO (Autor:in) / CHEN CHUNMEI (Autor:in) / ZHAN JINFEI (Autor:in) / LIU YING (Autor:in)
26.01.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
E21B
EARTH OR ROCK DRILLING
,
Erd- oder Gesteinsbohren
/
C04B
Kalk
,
LIME
/
E21F
Sicherheitsvorrichtungen, Förderung, Auffüllen oder Bergversatz, Rettungswesen, Bewetterung oder Entwässerung in oder von Gruben oder Tunnels
,
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS
Economics of drill-hole plugging
Online Contents | 1997
| Europäisches Patentamt | 2023