ZA202202698B - Rock strengthening and gas drainage borehole sealing device and method - Google Patents

Rock strengthening and gas drainage borehole sealing device and method

Info

Publication number
ZA202202698B
ZA202202698B ZA2022/02698A ZA202202698A ZA202202698B ZA 202202698 B ZA202202698 B ZA 202202698B ZA 2022/02698 A ZA2022/02698 A ZA 2022/02698A ZA 202202698 A ZA202202698 A ZA 202202698A ZA 202202698 B ZA202202698 B ZA 202202698B
Authority
ZA
South Africa
Prior art keywords
sealing device
gas drainage
borehole sealing
drainage borehole
rock strengthening
Prior art date
Application number
ZA2022/02698A
Inventor
Lei Zhang
Shihao Tu
Jinghua Li
Jun Tang
Gang Wu
Hongsheng Tu
Original Assignee
Univ China Mining
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ China Mining filed Critical Univ China Mining
Priority to ZA2022/02698A priority Critical patent/ZA202202698B/en
Publication of ZA202202698B publication Critical patent/ZA202202698B/en

Links

ZA2022/02698A 2022-03-07 2022-03-07 Rock strengthening and gas drainage borehole sealing device and method ZA202202698B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA2022/02698A ZA202202698B (en) 2022-03-07 2022-03-07 Rock strengthening and gas drainage borehole sealing device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA2022/02698A ZA202202698B (en) 2022-03-07 2022-03-07 Rock strengthening and gas drainage borehole sealing device and method

Publications (1)

Publication Number Publication Date
ZA202202698B true ZA202202698B (en) 2022-04-28

Family

ID=81308782

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2022/02698A ZA202202698B (en) 2022-03-07 2022-03-07 Rock strengthening and gas drainage borehole sealing device and method

Country Status (1)

Country Link
ZA (1) ZA202202698B (en)

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