An aerial of Sultan Thaha Syaifuddin forest park that has changed functions and is now filled with oil storage ponds from illegal oil drilling activities in Bajubang, Batanghari, Jambi, Monday, March 25, 2019. Local residents said that illegal oil drilling activities carried out openly in the 15,830 hectare state forest area had been going on since 2016. Based on data from the Batanghari Regency Environmental Service, illegal oil drilling activities in the forest park had damaged more than 50 hectares. ANTARA/Wahdi Septiawan

Residents bring crude oil at the location of illegal oil drilling, Sultan Thaha Syaifuddin forest park, Bajubang, Batanghari, Jambi, Monday, March 25, 2019. Residents estimate that at least 8,000 tons of illegal oil per day are produced from the area. ANTARA/Wahdi Septiawan

Residents collected crude oil at the location of illegal oil drilling, Sultan Thaha Syaifuddin forest park, Bajubang, Batanghari, Jambi, Monday, March 25, 2019. Residents estimate that at least 8,000 tons of illegal oil per day are produced from the area. ANTARA/Wahdi Septiawan

A worker collected crude oil waste at the location of illegal oil drilling in Sultan Thaha Syaifuddin forest park, Bajubang, Batanghari, Jambi, Tuesday, March 26, 2019. The waste is then set aside for oil with water. ANTARA FOTO/Wahdi Septiawan

Residents collected crude oil waste at the location of illegal oil drilling in Sultan Thaha Syaifuddin forest park, Bajubang, Batanghari, Jambi, Tuesday, March 26, 2019. The waste is then set aside for oil with water. ANTARA FOTO/Wahdi Septiawan

An aerial of Sultan Thaha Syaifuddin forest park that has changed functions and is now filled with oil storage ponds from illegal oil drilling activities in Bajubang, Batanghari, Jambi, Monday, March 25, 2019. Local residents said that illegal oil drilling activities carried out openly in the 15,830 hectare state forest area had been going on since 2016. Based on data from the Batanghari Regency Environmental Service, illegal oil drilling activities in the forest park had damaged more than 50 hectares. ANTARA/Wahdi Septiawan