| 发明名称 | Underground coal gasification well liner | ||
| 摘要 | The invention relates to compositions and method for construction of an underground coal gasification (UCG) well liner assembly. In particular, a well liner segment for use in the construction of a UCG well liner assembly for conveying product gas to a production well is disclosed. Also disclosed are a system and method for UCG product gas production. | ||
| 申请公布号 | US9228426(B2) | 申请公布日期 | 2016.01.05 |
| 申请号 | US201214363278 | 申请日期 | 2012.09.28 |
| 申请人 | Linc Energy Ltd. | 发明人 | Perkins Greg Martin Parry;Burger Casper Jan Hendrik;Chandra Aman Prukash |
| 分类号 | E21B17/00;E21B43/295;E21B43/08;E21B43/243 | 主分类号 | E21B17/00 |
| 代理机构 | Klarquist Sparkman, LLP | 代理人 | Klarquist Sparkman, LLP |
| 主权项 | 1. A well liner segment for use in the construction of an underground coal gasification (UCG) well liner assembly, the segment comprising a UCG product gas-conveying pipe having opposed open ends for connection to like well liner segments and perforations located between the opposed open ends, wherein the perforations are grouped together in one or more regions along the length of the UCG product gas-conveying pipe, alternating with non-perforated sections of the pipe, and wherein the UCG product gas-conveying pipe is made of metal and the well liner segment further comprises a combustible sheath. | ||
| 地址 | Brisbane, Queensland AU | ||