"I think the community reaction today was amazing considering it was without an official call out," Socialist Alliance member Seamus Doherty (pictured) told Green Left.
"It started out at 40 people and grew from there to be over 100 people."
Community members and families including Aboriginal people have surrounded where the test drilling has begun, according to Green Left's Zeb Parkes. However police - including mounted police - have been keeping people out.
The protesters have been given permission to protest by Aboriginal elders.
Cockburn Mayor Logan Howlett stood on the front lines in support of community action. He said that a court case is underway and that the drilling is potentially illegal.
Eventually some test drills were conducted by Main Road personnel surrounded by police. Protesters
Meanwhile, a white elephant - symbolising the uselessness of Roe 8 and the Perth Freight Link project - is due to be delivered to state parliament.
The action follows a major rally of several thousand that took place in Bibra Lakes on November 22.