AU560117B2 - Subterranean methan drainage system - Google Patents

Subterranean methan drainage system

Info

Publication number
AU560117B2
AU560117B2 AU42289/85A AU4228985A AU560117B2 AU 560117 B2 AU560117 B2 AU 560117B2 AU 42289/85 A AU42289/85 A AU 42289/85A AU 4228985 A AU4228985 A AU 4228985A AU 560117 B2 AU560117 B2 AU 560117B2
Authority
AU
Australia
Prior art keywords
methan
subterranean
drainage system
drainage
subterranean methan
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
AU42289/85A
Other versions
AU4228985A (en
Inventor
Walter Lee Richards
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Methtec Incorporated
Oxy Methane Drainage Corp
Original Assignee
METHETEC CORP
OXY METHANE DRAINAGE CORP
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
Priority claimed from US06/609,473 external-priority patent/US4611855A/en
Application filed by METHETEC CORP, OXY METHANE DRAINAGE CORP filed Critical METHETEC CORP
Publication of AU4228985A publication Critical patent/AU4228985A/en
Application granted granted Critical
Publication of AU560117B2 publication Critical patent/AU560117B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU42289/85A 1984-05-11 1985-05-10 Subterranean methan drainage system Ceased AU560117B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/609,473 US4611855A (en) 1982-09-20 1984-05-11 Multiple level methane drainage method
US609473 1990-11-05

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU19259/83A Addition AU550227B2 (en) 1982-09-20 1983-09-19 Multi-level gas collection system

Publications (2)

Publication Number Publication Date
AU4228985A AU4228985A (en) 1985-09-05
AU560117B2 true AU560117B2 (en) 1987-03-26

Family

ID=24440947

Family Applications (1)

Application Number Title Priority Date Filing Date
AU42289/85A Ceased AU560117B2 (en) 1984-05-11 1985-05-10 Subterranean methan drainage system

Country Status (2)

Country Link
AU (1) AU560117B2 (en)
CA (1) CA1228024A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU580813B2 (en) * 1985-05-17 1989-02-02 Methtec Incorporated. A method of mining coal and removing methane gas from an underground formation

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112796824B (en) * 2021-03-08 2022-05-17 吕梁学院 Slag discharging and water draining device for gas pipeline
CN115199234B (en) * 2022-07-15 2023-09-19 中国矿业大学 Embedded intelligent vibration anti-spraying hole system and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU580813B2 (en) * 1985-05-17 1989-02-02 Methtec Incorporated. A method of mining coal and removing methane gas from an underground formation

Also Published As

Publication number Publication date
AU4228985A (en) 1985-09-05
CA1228024A (en) 1987-10-13

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