Issued Patents All Time
Showing 26–50 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10041333 | One trip drill and casing scrape method and apparatus | Yang Xu | 2018-08-07 |
| 9926766 | Seat for a tubular treating system | YingQing Xu | 2018-03-27 |
| 9926745 | Whipstock valve with nozzle bypass feature | Dylan Bulloch, Larry T. Palmer, Jason L. Cullum | 2018-03-27 |
| 9874071 | Disintegrating plug for subterranean treatment use | Levi B. Oberg, YingQing Xu | 2018-01-23 |
| 9677357 | Anchor slip and seal locking mechanism | Kevin Edgar Harrington, Yang Xu | 2017-06-13 |
| 9624751 | Partly disintegrating plug for subterranean treatment use | Levi B. Oberg | 2017-04-18 |
| 9605508 | Disintegrable and conformable metallic seal, and method of making the same | Zhiyue Xu, YingQing Xu, Bennett M. Richard | 2017-03-28 |
| 9428986 | Disintegrating plug for subterranean treatment use | Levi B. Oberg, YingQing Xu | 2016-08-30 |
| 9422966 | Shear member post shear segment retention apparatus | Levi B. Oberg, Jim H. Roddy, YingQing Xu, Douglas J. Lehr | 2016-08-23 |
| 9416626 | Downhole debris removal tool and methods of using same | Ying Xu, Calvin J. Stowe, II, Yang Xu | 2016-08-16 |
| 9309733 | Tubular anchoring system and method | YingQing Xu, Levi B. Oberg, Ellen E. Read | 2016-04-12 |
| 9303475 | Tool with multisize segmented ring seat | Daniel R. Hart, Christopher W. Guidry, Robert S. O'Brien | 2016-04-05 |
| 9284803 | One-way flowable anchoring system and method of treating and producing a well | Patrick C. Stone, Douglas J. Lehr, Levi B. Oberg, Jim H. Roddy | 2016-03-15 |
| 9273526 | Downhole anchoring systems and methods of using same | Levi B. Oberg, Ying Xu, Douglas J. Lehr | 2016-03-01 |
| 9080403 | Tubular anchoring system and method | YingQing Xu | 2015-07-14 |
| 9080416 | Setting tool, anchoring and sealing device and system | YingQing Xu, Douglas J. Lehr | 2015-07-14 |
| 9045966 | Multi-cycle ball activated circulation tool with flow blocking capability | Mohsen Ali, Daniel R. Hart, Yang Xu | 2015-06-02 |
| 9033060 | Tubular anchoring system and method | YingQing Xu | 2015-05-19 |
| 9016363 | Disintegrable metal cone, process of making, and use of the same | Zhiyue Xu, YingQing Xu, Bennett M. Richard | 2015-04-28 |
| 9010416 | Tubular anchoring system and a seat for use in the same | YingQing Xu | 2015-04-21 |
| 8973662 | Downhole debris removal tool capable of providing a hydraulic barrier and methods of using same | Yang Xu, Ying Xu | 2015-03-10 |
| 8950504 | Disintegrable tubular anchoring system and method of using the same | Zhiyue Xu, YingQing Xu, Bennett M. Richard | 2015-02-10 |
| 8919452 | Casing spears and related systems and methods | Larry T. Palmer, Dennis E. Kroll | 2014-12-30 |
| 8739864 | Downhole multiple cycle tool | James Alan Crider, Charles W. Pleasants | 2014-06-03 |
| 8678091 | Magnetic retrieval apparatus and method for retaining magnets on a downhole magnetic retrieval apparatus | Jonathan F. Nelson | 2014-03-25 |