At least 10 staff have said they have left the shale gas company, Cuadrilla, in the past few months.
Anti-fracking campaigners have accused Cuadrilla of leaving local people “in the dark” as more equipment was removed off the company’s Preston New Road site this week.
Lorries have been taking equipment off Cuadrilla’s fracking site near Blackpool over the past two days.
Deliveries to Rathlin Energy’s East Yorkshire oil and gas exploration site were prevented by protests for a second day this week.
A woman campaigner has climbed on top of drilling equipment on its way to an oil and gas site in East Yorkshire.
Angus Energy has announced that equipment to isolate water zones in its oil well at Brockham in Surrey was ready to be shipped from the US.
About 10 police officers supported the eviction of a camp that had been monitoring operations at Rathlin Energy’s oil exploration site at West Newton in East Yorkshire.