CDX Gas, LLC
70Patents
1Active
70Granted
38Portfolio score
Filing activity: Nov 19, 1999 → Mar 27, 2007 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6357523B1 | Drainage pattern with intersecting wells drilled from surface | Fixed Constructions | 82 | Expired |
| US6454000B1 | Cavity well positioning system and method | Fixed Constructions | 73 | Expired |
| US6575235B2 | Subterranean drainage pattern | Fixed Constructions | 70 | Expired |
| US6439320B2 | Wellbore pattern for uniform access to subterranean deposits | Fixed Constructions | 68 | Expired |
| US6604580B2 | Method and system for accessing subterranean zones from a limited surface area | Fixed Constructions | 67 | Expired |
| US6497556B2 | Fluid level control for a downhole well pumping system | Emerging Cross-Sectional Technologies | 65 | Expired |
| US7178611B2 | System and method for directional drilling utilizing clutch assembly | Fixed Constructions | 64 | Expired |
| US6679322B1 | Method and system for accessing subterranean deposits from the surface | Fixed Constructions | 62 | Expired |
| US6604910B1 | Fluid controlled pumping system and method | Mechanical Engineering; Lighting; Heating | 61 | Expired |
| US6722452B1 | Pantograph underreamer | Fixed Constructions | 60 | Expired |
| US6662870B1 | Method and system for accessing subterranean deposits from a limited surface area | Fixed Constructions | 58 | Expired |
| US6595301B1 | Single-blade underreamer | Fixed Constructions | 58 | Expired |
| US6478085B2 | System for accessing subterranean deposits from the surface | Fixed Constructions | 56 | Expired |
| US6561288B2 | Method and system for accessing subterranean deposits from the surface | Fixed Constructions | 55 | Expired |
| US6681855B2 | Method and system for management of by-products from subterranean zones | Fixed Constructions | 55 | Expired |
| US6688388B2 | Method for accessing subterranean deposits from the surface | Fixed Constructions | 54 | Expired |
| US6598686B1 | Method and system for enhanced access to a subterranean zone | Fixed Constructions | 53 | Expired |
| US6668918B2 | Method and system for accessing subterranean deposit from the surface | Fixed Constructions | 52 | Expired |
| US6575255B1 | Pantograph underreamer | Fixed Constructions | 47 | Expired |
| US6708764B2 | Undulating well bore | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6591922B1 | Pantograph underreamer and method for forming a well bore cavity | Fixed Constructions | 46 | Expired |
| US6595302B1 | Multi-blade underreamer | Fixed Constructions | 45 | Expired |
| US6725922B2 | Ramping well bores | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6644422B1 | Pantograph underreamer | Fixed Constructions | 44 | Expired |
| US6976547B2 | Actuator underreamer | Fixed Constructions | 38 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.