In 2017, the company behind the development, Hunter Queensland Pipeline, "voluntarily suspended" its environmental authority, which was granted by the Queensland government.

Mullaley farmer Margaret Fleck questioned if Hunter Queensland Pipeline actually intended to construction the Queensland section, as planning documents are yet to be lodged with the Queensland government.

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"What gets me, is that the whole purpose of the project is to help the eastern states by getting Queensland gas to flow around," Ms Fleck said.

"But it only seems to be targeted at the Narrabri Gas Project."

The project's website states the development would occur in stages, with Narrabri to Newcastle section to be constructed first.

"That seems at odds with the overall purpose of the project," Ms Fleck said.

"It makes me think the whole purpose has changed and is another ploy to open up the North West to wide-spread coal seam gas mining."

Farmers on the Liverpool Plains have several issues with the proposed pipeline, which will be aired at a community meeting at the Quirindi RSL on February 8.

Many have only just discovered the pipeline's approved route is far different to its original one, as it was revised multiple times at the end of the planning process.

Initially approved a decade ago, its NSW approval was extended for another five years at the end of 2019.

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