| Patent No. | Patent Title: |
| 6935443 | Mini disk bit |
| 6830106 | Multilateral well completion apparatus and methods of use |
| 6820695 | Snap-lock seal for seal valve assembly |
| 6808020 | Debris-free valve apparatus and method of use |
| 6799634 | Tracer release method for monitoring fluid flow in a well |
| 6789635 | Drill bit for directional drilling in cobble formations |
| 6779607 | Method and apparatus for acidizing a subterranean well formation ... |
| 6766853 | Apparatus for interconnecting continuous tubing strings having si... |
| 6761218 | Methods and apparatus for improving performance of gravel packing... |
| 6758272 | Apparatus and method for obtaining proper space-out in a well |
| 6755248 | One trip through tubing window milling apparatus and method |
| 6736208 | Wellhead production pumping tree with access port |
| 6732803 | Debris free valve apparatus |
| 6729410 | Multiple tube structure |
| 6729392 | Tubing hanger with ball valve in the annulus bore |
| 6725935 | PDF valve |
| 6725933 | Method and apparatus for acidizing a subterranean well formation ... |
| 6722428 | Apparatus for suspending a pipe within a well casing |
| 6719054 | Method for acid stimulating a subterranean well formation for imp... |
| 6715560 | Collet-cone slip system for releasably securing well tools |
| 6712141 | Method and apparatus for deployment, mounting and coupling of dow... |
| 6705406 | Replaceable electrical device for a downhole tool and method ther... |
| 6695050 | Expandable retaining shoe |
| 6684956 | Method and apparatus for producing fluids from multiple formation... |
| 6684946 | Gas-lock re-prime device for submersible pumps and related method... |
| 6684953 | Wireless packer/anchor setting or activation |
| 6681871 | Auger tool for boring |
| 6675917 | Twist drill bit for rock drilling |
| 6672675 | Traverse carriage |
| 6672384 | Plug-dropping container for releasing a plug into a wellbore |
| 6672394 | Interchangeable coiled tubing support block and method of use |
| 6668923 | Positive indication system for well annulus cement displacement |
| 6668925 | ESP pump for gassy wells |
| 6668946 | Backreamer |
| 6666271 | Curved flapper and seat for a subsurface saftey valve |
| 6662877 | Formation isolation valve |
| 6659183 | Cuttings injection target plate |
| 6655461 | Straddle packer tool and method for well treating having valving ... |
| 6652035 | Highwall mining system |
| 6648084 | Head for injecting liquid under pressure to excavate the ground |
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