Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270256 | Refreshable polycrystalline diamond compact (PDC) drill bits | Guodong Zhan, Jianhui Xu | 2025-04-08 |
| 11859465 | Cement top job with non-retrievable tubing | Abdullah Al-Yami, Abdulla F. Dossary, Sara A. Alkhalaf | 2024-01-02 |
| 11846151 | Repairing a cased wellbore | Guodong Zhan, Jianhui Xu, Bodong Li, Timothy E. Moellendick | 2023-12-19 |
| 11840904 | Methods and apparatus for printing a wellbore casing | Adrian Cesar Cavazos Sepulveda, Amjad Shaarawi, Timothy E. Moellendick | 2023-12-12 |
| 11821263 | Reversible polycrystalline diamond compact bit | Jianhui Xu, Guodong Zhan, Timothy E. Moellendick, Amjad Shaarawi | 2023-11-21 |
| 11739604 | Expandable overshot-spear tool | Abdulaziz Almusa, Bodong Li | 2023-08-29 |
| 11702741 | Producing polycrystalline diamond compact cutters with coatings | Jianhui Xu, Guodong Zhan | 2023-07-18 |
| 11512541 | Hydraulically driven hole cleaning apparatus | Mohammed Murif Al-Rubaii, Abdullah Al-Yami | 2022-11-29 |
| 11454070 | Rotational power slips | Amjad Alshaarawi, Haytham H. Alhamed, Meshari M. Alshalan, Mohammad Saud Al-Badran, Chinthaka Pasan Gooneratne | 2022-09-27 |
| 11313185 | Differential iron roughneck | Amjad Alshaarawi, Haytham H. Alhamed, Meshari M. Alshalan, Mohammad Saud Al-Badran | 2022-04-26 |
| 11261679 | Method and apparatus to cure drilling losses with an electrically triggered lost circulation material | Ammar Alali, Amjad Alshaarawi, Abeer Mohammad Al-Olayan, Haytham H. Alhamed | 2022-03-01 |
| 11255130 | Sensing drill bit wear under downhole conditions | Timothy E. Moellendick, Guodong Zhan | 2022-02-22 |