Xu; Zheng Rong
Patent Applications and Registrations
Patent applications and USPTO patent grants for Xu; Zheng Rong.The latest application filed is for "downhole tool anchoring system".
- Xu; Zheng Rong - Sugar Land TX
| Patent | Date |
|---|---|
| Downhole tool anchoring system Grant 10,392,902 - Kenison , et al. A | 2019-08-27 |
| Method and apparatus of distributed systems for extending reach in oilfield applications Grant 9,702,192 - Wicks , et al. July 11, 2 | 2017-07-11 |
| Downhole Tool Anchoring System App 20150285031 - Kenison; Michael Hayes ; et al. | 2015-10-08 |
| Inflatable packers Grant 8,894,069 - Xu , et al. November 25, 2 | 2014-11-25 |
| Mechanically deployable well isolation mechanism Grant 8,857,526 - Erkol , et al. October 14, 2 | 2014-10-14 |
| Method And Apparatus Of Distributed Systems For Extending Reach In Oilfield Applications App 20130186619 - WICKS; NATHAN ; et al. | 2013-07-25 |
| Method and apparatus for setting an inflatable packer in a subhydrostatic wellbore Grant 8,479,832 - Tunc , et al. July 9, 2 | 2013-07-09 |
| Assembly for controlled delivery of downhole treatment fluid Grant 8,186,437 - Xu , et al. May 29, 2 | 2012-05-29 |
| Mechanically Deployable Well Isolation Mechanism App 20110259611 - ERKOL; ZAFER ; et al. | 2011-10-27 |
| Downhole application for a backpressure valve Grant 7,857,067 - Tunc , et al. December 28, 2 | 2010-12-28 |
| Backpressure valve for wireless communication Grant 7,793,732 - Xu , et al. September 14, 2 | 2010-09-14 |
| Method And Apparatus For Setting An Inflatable Packer In A Subhydrostatic Wellbore App 20100206571 - Tunc; Gokturk ; et al. | 2010-08-19 |
| Assembly for Controlled Delivery of Downhole Treatment Fluid App 20100186949 - Xu; Zheng Rong ; et al. | 2010-07-29 |
| Assembly for Controlled Delivery of Downhole Treatment Fluid App 20100186967 - Xu; Zheng Rong ; et al. | 2010-07-29 |
| Wireless perforating gun Grant 7,762,172 - Li , et al. July 27, 2 | 2010-07-27 |
| Packer cup systems for use inside a wellbore Grant 7,735,568 - Xu , et al. June 15, 2 | 2010-06-15 |
| Packer cups for use inside a wellbore Grant 7,735,552 - Xu June 15, 2 | 2010-06-15 |
| Downhole Application for a Backpressure Valve App 20090301734 - Tunc; Gokturk ; et al. | 2009-12-10 |
| Backpressure Valve for Wireless Communication App 20090301713 - Xu; Zheng Rong ; et al. | 2009-12-10 |
| Method Of Modifying Carbon Nanomaterials, Composites Incorporating Modified Carbon Nanomaterials And Method Of Producing The Composites App 20080318026 - Dai; Liming ; et al. | 2008-12-25 |
| Wireless Perforating Gun App 20080047456 - Li; Haoming ; et al. | 2008-02-28 |
| Inflatable packers Grant 7,331,581 - Xu , et al. February 19, 2 | 2008-02-19 |
| Packer Cup Systems For Use Inside A Wellbore App 20070227725 - Xu; Zheng Rong ; et al. | 2007-10-04 |
| Packer Cup Systems For Use Inside A Wellbore App 20070227746 - Xu; Zheng Rong ; et al. | 2007-10-04 |
| Inflatable Packers App 20070144734 - Xu; Zheng Rong ; et al. | 2007-06-28 |
| Inflatable packers App 20060219400 - Xu; Zheng Rong ; et al. | 2006-10-05 |
| Packer cups for use inside a wellbore App 20060219415 - Xu; Zheng Rong | 2006-10-05 |
| Universal downhole tool control apparatus and methods Grant 6,915,848 - Thomeer , et al. July 12, 2 | 2005-07-12 |
| Expandable seal member with shape memory alloy App 20040194970 - Eatwell, William Donald ; et al. | 2004-10-07 |
| Universal downhole tool control apparatus and methods App 20040020643 - Thomeer, Hubertus V. ; et al. | 2004-02-05 |
| Impermeable and composite perforating gun assembly components Grant 6,422,148 - Xu , et al. July 23, 2 | 2002-07-23 |
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