| Class / Patent application number | Description | Number of patent applications / Date published |
| 175044000 | Providing identifiable indication of core position in situ for core sample orientation | 13 |
| 20130025938 | CORE SAMPLE ORIENTATION - A core orientation device ( | 01-31-2013 |
| 20110284289 | DOWNHOLE MARKING APPARATUS AND METHODS - Example downhole marking apparatus and methods to use the same are disclosed. A disclosed example apparatus includes a coring tool assembly for use in extracting a core sample from a subterranean formation adjacent a borehole; a sample container retainer operatively coupled to the coring tool assembly, wherein the sample container retainer is configured to hold a sample container configured to receive the core sample; and a scriber operatively coupled to the sample container retainer and configured to mark a surface of the sample container. | 11-24-2011 |
| 20110198125 | PERCUSSIVE DRIVING APPARATUS FOR ENVIRONMENTAL SAMPLING OR TEST DEVICE - A percussive driving apparatus for an environmental sampling or test device. The driving apparatus comprises a percussion stem ( | 08-18-2011 |
| 20090071716 | CORE ORIENTATION DETERMINATION - A core orientator, comprising a body ( | 03-19-2009 |
| 20090314545 | CORE SAMPLE ORIENTATION - A core orientation device ( | 12-24-2009 |
| 20110240364 | ACOUSTIC MEASUREMENTS WHILE USING A CORING TOOL - Embodiments disclosed herein relate to one or more embodiments and methods to make downhole measurements. Embodiments disclosed herein relate to one or more embodiments and methods to measure the movement generated by a coring tool. The methods and embodiments include disposing a coring tool in a wellbore, coupling a first wave detector to the coring tool, anchoring the coring tool to a formation surrounding the wellbore, operating the coring tool, measuring movement generated by the coring tool with the first wave detector, and outputting a signal based upon the measured movement measured with the first wave detector. | 10-06-2011 |
| 20120145457 | SYSTEM FOR MONITORING CORING OPERATIONS | 06-14-2012 |
| 20120037421 | MODULAR CORE ORIENTATION SYSTEM - A core sample orientation system ( | 02-16-2012 |
| 20120018220 | CORE SAMPLE ORIENTATION - A core orientation device ( | 01-26-2012 |
| 20110088948 | CORE SAMPLE ORIENTATION - A core orientation device ( | 04-21-2011 |
| 20090133932 | Sidewall Coring Tool and Method for Marking a Sidewall Core - A sidewall coring tool includes a tool housing, a coring assembly coupled and a marking device. The defines a longitudinal axis and is adapted for suspension within the borehole at a selected depth. The coring assembly is coupled to the tool housing and includes a bit housing and a coring bit coupled to the bit housing. The coring bit is supported for movement between a transport position and a coring position. The marking device is located at a known position with respect to the coring bit and is adapted to form an orientation mark in the formation. | 05-28-2009 |
| 20120318579 | Automated Sidewall Coring - Methods and apparatus for positioning a downhole tool in a wellbore extending into a subterranean formation, commencing coring operations by rotating a coring bit of the downhole tool and extending the rotating coring bit into a sidewall of the wellbore, sensing a parameter associated with the coring operations, and adjusting the coring operations based on the sensed parameter. | 12-20-2012 |
| 20100230165 | ORIENTATION HEAD - A core orientation head ( | 09-16-2010 |