Dailey Petroleum Services Corp.
11Patents
0Active
11Granted
30Portfolio score
Filing activity: May 27, 1983 → Jan 2, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4630690A | Spiralling tapered slip-on drill string stabilizer | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5624001A | Mechanical-hydraulic double-acting drilling jar | Fixed Constructions | 36 | Expired |
| US4600063A | Double-taper slip-on drill string stabilizer | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US5669457A | Drill string orienting tool | Fixed Constructions | 26 | Expired |
| US4573536A | Method and apparatus for flushing a well | Fixed Constructions | 21 | Expired |
| US4844183A | Accelerator for fishing jar with hydrostatic assist | Fixed Constructions | 17 | Expired |
| US4526241A | Adjustable length drilling sub | Fixed Constructions | 16 | Expired |
| US5165492A | Apparatus for preventing separation of a down-hole motor from a drill string | Fixed Constructions | 10 | Expired |
| US4498548A | Well jar incorporating elongate resilient vibration snubbers and mounting apparatus therefor | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4508182A | Method and apparatus for controlling azimuthal drift of a drill bit | Fixed Constructions | 8 | Expired |
| US5086851A | Combination thrust and radial bearing for use in down-hole drilling tools | Mechanical Engineering; Lighting; Heating | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.