Precision Energy Services, Inc.
71Patents
63Active
71Granted
55Portfolio score
Filing activity: Nov 27, 2002 → May 11, 2016 · 38 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8164050B2 | Multi-channel source assembly for downhole spectroscopy | Physics | 59 | Active |
| US8536516B2 | Multi-channel source assembly for downhole spectroscopy | Physics | 48 | Active |
| US7894302B2 | Drilling system comprising a plurality of borehole telemetry systems | Fixed Constructions | 23 | Active |
| US7281593B2 | Method for the circulation of gas when drilling or working a well | Fixed Constructions | 23 | Expired |
| US8378908B2 | Array antenna for measurement-while-drilling | Electricity | 22 | Active |
| US7571768B2 | Method and apparatus for perforating a casing and producing hydrocarbons | Fixed Constructions | 22 | Active |
| US7537061B2 | System and method for releasing and retrieving memory tool with wireline in well pipe | Fixed Constructions | 21 | Active |
| US7999220B2 | Borehole measurements using a fast and high energy resolution gamma ray detector assembly | Physics | 21 | Active |
| US7202456B2 | Gain stabilization apparatus and methods for spectral gamma ray measurement systems | Physics | 16 | Expired |
| US8342970B2 | Drive shaft universal joint assembly with radial elliptical projections | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US8542353B2 | Refractive index sensor for fluid analysis | Physics | 15 | Active |
| US7766098B2 | Directional drilling control using modulated bit rotation | Fixed Constructions | 15 | Active |
| US7905285B2 | Method and apparatus for perforating a casing and producing hydrocarbons | Fixed Constructions | 14 | Active |
| US8324912B2 | Measurement tool and method of use | Physics | 14 | Active |
| US8471563B2 | Steerable magnetic dipole antenna for measurement while drilling applications | Physics | 12 | Active |
| US7805988B2 | Borehole tester apparatus and methods using dual flow lines | Fixed Constructions | 11 | Active |
| US7755972B2 | Borehole apparatus and methods for simultaneous multimode excitation and reception to determine elastic wave velocities, elastic modulii, degree of anisotropy and elastic symmetry configurations | Physics | 10 | Active |
| US7755973B2 | Ultrasonic logging methods and apparatus for automatically calibrating measures of acoustic impedance of cement and other materials behind casing | Physics | 9 | Active |
| US8604796B2 | Steerable magnetic dipole antenna for measurement-while-drilling applications | Physics | 9 | Active |
| US7644760B2 | Self contained temperature sensor for borehole systems | Fixed Constructions | 9 | Active |
| US7139350B2 | Method and apparatus for measuring radiation in a borehole | Physics | 8 | Expired |
| US8255163B2 | Downhole drilling vibration analysis | Fixed Constructions | 8 | Active |
| US7475593B2 | High temperature near infrared for measurements and telemetry in well boreholes | Fixed Constructions | 8 | Expired |
| US7609169B2 | Electromagnetic telemetry apparatus and methods for minimizing cyclical or synchronous noise | Fixed Constructions | 7 | Active |
| US8417456B2 | Downhole drilling vibration analysis | Fixed Constructions | 7 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.