Abstract
NOVELTY - A controller/memory (54) is programmed to test a sample of gas built up in a borehole automatically and periodically. Gas variable measurements are carried out by the gas sensors to monitor the presence or absence of e.g. a particular gas. Data from measurements is stored in the controller/memory and is downloaded to program the controller in operating the self-contained in-borehole gas monitor apparatus (8) as desired. If a water detector detects the presence of water in the apparatus, a water detection signal is sent to the controller to deactivate the apparatus, USE - Self-contained in-borehole gas monitor apparatus for monitoring concentrations of methane and carbon dioxide generated by landfill sites. ADVANTAGE - The self-contained in-borehole gas monitor apparatus is easily deployed in a borehole to take periodic data readings of gas variables in the borehole. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for self-contained in-borehole gas monitor method. DESCRIPTION OF DRAWING(S) - The drawing shows the schematic cross-sectional elevation of an in-borehole gas monitor apparatus. Self-contained in-borehole gas monitor apparatus (8) Top (30) Controller/memory (54) Hole (62) Outlet (66)
| Original language | English |
|---|---|
| Patent number | WO2007141512-A1; EP2027363-A1; AU2007255175-A1; CN101466916-A; CA2654052-A1; MX2008015755-A1; US2009266154-A1; JP2009540286-W; ZA200900183-A; EP2027363-B1; DE602007009380-E; RU2008150243-A |
| Publication status | Published - 2008 |
Keywords
- H01 (Obtaining crude oil and natural gas, exploration, drilling, well completion, production and treatment)
- Q49 (Mining)
- S03 (Scientific Instrumentation, photometry, calorimetry)
- T01 (Digital Computers)
- h01-b03b2
- s03-e14p
- t01-f06
- t01-j07a
- e21b-047/00
- e21b-049/00
- e21b-049/08
- g01n-001/00
- g01n-001/22
- g01n-033/00
- g08b-021/00
- g08b-021/12
- e21b-000/00
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