BBC:
the Kazakhstani company that owns the well, denies suggestions that vast amounts of methane were leaked.
The company says its well only contained a "negligible" amount of gas, and that any methane leaked would have burnt as it came out of the borehole.
It says it also believes only water vapour was leaked into the atmosphere, forming large white plumes that were visible from space.
...
Like neighbouring Turkmenistan, Kazakhstan has registered dozens of "super-emitter" events