- Full oil based drilling fluid system2018-08-20
- Oil-based drilling fluid system2018-08-20
- Oil-in-water drilling fluid system2018-08-20
- Reverse osmosis drilling fluid system2018-08-20
- New environmental protection drilling fluid system2018-08-20
- Low free water drilling fluid system2018-08-20
- Polyamine drilling fluid system2018-08-20
- Amino silanol alcohol drilling fluid system2018-08-20
- Weak gel drilling fluid system for horizontal well...2018-08-20
- Polymeric alcohol drilling fluid system2018-08-20
- Acidic gel breaking system for horizontal wells2018-08-20
- New integrated chemical sand control and sand cons...2018-08-20
- Low density completion fluid / workover fluid syst...2018-08-20
- Capacity release fluid2018-08-20
- Oil-based emulsion composite plugging system2018-08-20