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First level |
Second level |
Third level |
Fourth level |
Fifth level |
categories |
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Completion |
Integration of completion technologies |
Completion design and evaluation technology |
Completion design technology |
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services |
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Lab completion evaluation service |
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services |
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Completion technologies for high temperature and pressure well |
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products & services |
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Anti-sulphur gas corrosion completion technology |
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products & services |
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Completion technologies for heavy oil thermal recovery well |
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products & services |
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Selective completion technologies |
Multi-layer isolated selective completing technology for horizontal well |
Combination of screen and casing cementing |
products & services |
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Combination of screen and external casing packer |
products & services |
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Combination of sliding sleeve and external casing packer |
products & services |
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Selective completion technology for sidetracking and directional wells |
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products & services |
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Selective completion technology for multilateral well |
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products & services |
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Completion and water control technologies |
Semipermeable and water controlled completion technology for vertical well |
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products & services |
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Semipermeable and water controlled completion technology for horizontal well |
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products & services |
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Completion and water control technologies |
Cementing tools |
Floating collar and floating shoes |
products & services |
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Cementing plug |
products & services |
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Cement head |
products & services |
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Drilling and completion tools and matching services |
Drilling liner hanger |
products & services |
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Suspension packer |
products & services |
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Open hole compressed packer |
products & services |
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Pressure differential scale sleeves |
products & services |
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Ball scale sleeves |
products & services |
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Liner tie back tool |
products & services |
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Hydraulic inflammable packer |
products & services |
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Oil (gas), water-expandable packer |
products & services |
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Stage-cementing unit |
products & services |
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Special centralizer for horizontal well |
products & services |
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Multifunctional washing valve |
products & services |
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Inner acid wash string auxiliary tool |
products & services |
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HT-resistant packer |
products & services |
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Packing valve |
products & services |
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Hydraulic open/close water control valve |
products & services |
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Productive completion tools and matching services |
Packer |
products & services |
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Bridge plug |
products & services |
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Sleeve |
products & services |
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Safety valve |
products & services |
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Seating joint |
products & services |
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Screen sand control technologies |
Sand control completion technology for vertical well |
Inner sand control completion for vertical well |
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products & services |
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Open hole screen suspension sand control completion technology for vertical well |
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products & services |
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Sand control technology for horizontal well |
Inner sand control completion for horizontal well |
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products & services |
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Open hole screen suspension sand control completion technology for horizontal well |
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products & services |
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Screen |
Complex screen |
1.9in~7in |
products & services |
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Punched screen |
1.9in~7in |
products & services |
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Fluid-adjusting and water-control screen |
all sizes |
products & services |
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HSG new complex sand control screen |
Ф102mm、Ф114mm、Ф140mm |
products & services |
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Pre-packed screen |
2⅞in~7in |
products & services |
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Wire wrapped liner |
1.9in~7in |
products & services |
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Slotted screen |
1.9in~7in |
products & services |
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Open hole, fracture, packing and sand control completion technology for horizontal well |
External bottom packing and sand control unit |
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products & services |
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Inner fracture, packing and sand control technology for horizontal well |
Bottom packing unit for horizontal well |
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products & services |
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Gravel pack and sand control technology |
Sand control completion technology for offshore artificial island |
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products & services |
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Thermal recovery packing and HP filling unit |
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products & services |
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Integrated sand control and gas injection technology for heavy oil well |
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Fracture and filling unit |
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products & services |
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Fracture and packing stimulations for conventional well |
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products & services |
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Sand control and comprehensive treating technology for sand producing area |
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Anti-eccentric friction, anticorrosion products for sucker rod and pipes |
AOC polished alloy rod |
AOC-G 25.0mm-31.8mm |
products |
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Anti-corrosive pumping rod |
AOC-C φ16mm-φ25mm |
products |
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Dual protected sucker rod joint |
AOC-J φ16-φ25 |
products |
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AOC-J φ19-φ22/φ22-φ25 |
products |
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Production equipment and tools |
Antifriction coupling for screw pump |
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products |
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Antifriction joint for hollow bar |
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products |
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Polished rod seal |
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products |
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Oil pump for tough working conditions |
AOC special alloy oil pump |
FSHJBSφ32-φ83 |
products |
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AOM special ceramics oil pump |
FSTCBSφ38-φ70 |
products |
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AOF dual-protected oil pump |
SBBSφ38-φ70 |
products |
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Oil drainage device |
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products |
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New and effective surface production equipment |
Remote real time monitor and control technology for submersible electric pump |
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products & services |
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Hydraulic regulating pump |
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products & services |
