Drilling fluid manifold

Drilling mud pump set

Diamond drill bit

Series of workover rigs

Bridge plug

Packer

Lubricating oil

Rubber and rubber additives

EVOH (high-barrier packaging material)

Light white oil, industrial white oil, cosmetic-grade white oil, food additive-grade white oil

Calcium hypochlorite

Acids / trichloroisocyanuric acid

Petrochemical catalyst

Petroleum coke

Sulfur

Paraffin wax