Business scope: Oil,
Sales And Leasing,
Workover,
Production,
Production,
Sale,
Sale,
General Cargo Transportation,
Electronic Instrumentation,
Research And Development Of Mechanical And Electrical Equipment,
Drilling,
Design Of Environmental Engineering,
Fracture,
Mechanical And Electrical Installation Engineering,
Mud Logging,
Construction,
R D Of Instrumentation,
Acidification,
Oilfield,
Petroleum Development Engineering Technical Services,
...
Other unlisted professional and technical service industries
Business scope: Completion,
Monitor,
Equipment,
Chemical Products,
Perforation,
Oilfield Chemicals,
Oilfield Waste And Water Treatment Engineering Technical Services,
Drilling,
Logging,
Import And Export Of Goods And Technology,
Earthwork,
Precursor Chemicals,
Precursor Chemicals,
Machinery And Equipment Leasing,
Labor Dispatch Service,
Cable,
Environmental Engineering Technical Services,
Manufacturing And Sales,
Installation Modification And Repair Of Special Equipment,
Monitor,
Acidification
...
Business scope: Technology Promotion,
Test,
Oil And Gas Field Waste Treatment,
Drilling Fluid,
Electrical Equipment,
Insulation Engineering Services,
Technical Service And Sales,
Oil Gas And Water Well Drilling,
Repair,
Oil And Gas Field Engineering Technical Services,
Pumps And Accessories,
Drilling,
Logging,
Rubber Products,
Manufacture,
Machinery And Equipment Leasing,
Labor Protection Supplies,
Seals,
Anti Corrosion,
Ultrasonic Technical Services,
Acidification
...
Business scope: Workover,
Sale,
Equipment,
Downhole Operation,
Mechanical Equipment And Electronic Products,
Oil And Gas Field Waste Treatment,
Chemical Products,
Sale,
Sale,
Perforation,
Fracturing Flowback Fluid,
Test,
Drilling Fluid,
Electrical Equipment,
Production,
Insulation Engineering Services,
Oil Gas And Water Well Drilling,
Repair,
Oil And Gas Field Engineering Technical Services,
Pumps And Accessories,
Acidification
...