loadpatents
Patent applications and USPTO patent grants for Rollins; James A..The latest application filed is for "low-drag perforating gun scallops and method".
Patent | Date |
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Proppant transport efficiency system and method Grant 11,326,421 - Hardesty , et al. May 10, 2 | 2022-05-10 |
Low-drag Perforating Gun Scallops And Method App 20220127936 - YANG; Wenbo ;   et al. | 2022-04-28 |
High Density Cluster Based Perforating System And Method App 20220049586 - YANG; Wenbo ;   et al. | 2022-02-17 |
High density cluster based perforating system and method Grant 11,187,062 - Yang , et al. November 30, 2 | 2021-11-30 |
Shaped Charge Load Tube With Integrated Detonation Cord Retention Mechanism App 20210348486 - YANG; Wenbo ;   et al. | 2021-11-11 |
Select Fire Switch Form Factor System And Method App 20210277754 - HARDESTY; John T. ;   et al. | 2021-09-09 |
Select fire switch form factor system and method Grant 11,047,216 - Hardesty , et al. June 29, 2 | 2021-06-29 |
Proppant transport efficiency system and method Grant 10,914,144 - Hardesty , et al. February 9, 2 | 2021-02-09 |
Proppant Transport Efficiency System And Method App 20210017840 - HARDESTY; John T. ;   et al. | 2021-01-21 |
High Density Cluster Based Perforating System And Method App 20200386084 - YANG; Wenbo ;   et al. | 2020-12-10 |
High density cluster based perforating system and method Grant 10,746,003 - Yang , et al. A | 2020-08-18 |
High density cluster based perforating system and method Grant 10,746,004 - Yang , et al. A | 2020-08-18 |
Wellbore plug isolation system and method Grant 10,612,340 - Snider , et al. | 2020-04-07 |
Proppant Transport Efficiency System And Method App 20190376372 - HARDESTY; John T. ;   et al. | 2019-12-12 |
Wellbore plug isolation system and method Grant 10,480,276 - Snider , et al. Nov | 2019-11-19 |
Select Fire Switch Form Factor System And Method App 20190309609 - HARDESTY; John T. ;   et al. | 2019-10-10 |
Select fire switch form factor system and method Grant 10,378,320 - Hardesty , et al. A | 2019-08-13 |
High Density Cluster Based Perforating System And Method App 20190186241 - YANG; Wenbo ;   et al. | 2019-06-20 |
High Density Cluster Based Perforating System And Method App 20190040722 - Yang; Wenbo ;   et al. | 2019-02-07 |
Select Fire Switch Form Factor System And Method App 20180313194 - HARDESTY; John T. ;   et al. | 2018-11-01 |
Select fire switch form factor system and method Grant 10,030,487 - Hardesty , et al. July 24, 2 | 2018-07-24 |
Wellbore Plug Isolation System and Method App 20180171741 - Snider; Philip Martin ;   et al. | 2018-06-21 |
Limited entry phased perforating gun system and method Grant 9,845,666 - Hardesty , et al. December 19, 2 | 2017-12-19 |
Wellbore gun perforating system and method Grant 9,759,049 - Hardesty , et al. September 12, 2 | 2017-09-12 |
Wellbore gun perforating system and method Grant 9,759,050 - Hardesty , et al. September 12, 2 | 2017-09-12 |
Wellbore gun perforating system and method Grant 9,689,238 - Hardesty , et al. June 27, 2 | 2017-06-27 |
Hydraulic delay toe valve system and method Grant 9,650,866 - George , et al. May 16, 2 | 2017-05-16 |
Limited entry phased perforating gun system and method Grant 9,562,421 - Hardesty , et al. February 7, 2 | 2017-02-07 |
Wellbore Gun Perforating System and Method App 20160245058 - Hardesty; John T ;   et al. | 2016-08-25 |
Wellbore Gun Perforating System and Method App 20160245056 - Hardesty; John T. ;   et al. | 2016-08-25 |
Wellbore Gun Perforating System and Method App 20160245054 - Hardesty; John T. ;   et al. | 2016-08-25 |
Select Fire Switch Form Factor System And Method App 20160245055 - Hardesty; John T. ;   et al. | 2016-08-25 |
Externally-orientated Internally-corrected Perforating Gun System And Method App 20160208587 - HARDESTY; John T. ;   et al. | 2016-07-21 |
Externally-orientated internally-corrected perforating gun system and method Grant 9,382,784 - Hardesty , et al. July 5, 2 | 2016-07-05 |
Select fire switch form factor system and method Grant 9,291,040 - Hardesty , et al. March 22, 2 | 2016-03-22 |
Hydraulic flow restriction tube time delay system and method Grant 9,273,535 - George , et al. March 1, 2 | 2016-03-01 |
Wellbore Plug Isolation System and Method App 20160047193 - Snider; Philip Martin ;   et al. | 2016-02-18 |
Wellbore plug isolation system and method Grant 9,243,472 - Snider , et al. January 26, 2 | 2016-01-26 |
Hydraulic Delay Toe Valve System and Method App 20150369007 - George; Kevin R. ;   et al. | 2015-12-24 |
Wellbore gun perforating system and method Grant 9,194,219 - Hardesty , et al. November 24, 2 | 2015-11-24 |
Limited Entry Phased Perforating Gun System and Method App 20150267516 - HARDESTY; John T. ;   et al. | 2015-09-24 |
Method and apparatus for establishing injection into a cased bore hole using a time delay toe injection apparatus Grant 9,121,252 - George , et al. September 1, 2 | 2015-09-01 |
Method and apparatus for establishing injection into a cased bore hole using a time delay toe injection apparatus Grant 9,121,247 - George , et al. September 1, 2 | 2015-09-01 |
Externally-orientated internally-corrected perforating gun system and method Grant 9,115,572 - Hardesty , et al. August 25, 2 | 2015-08-25 |
Limited Entry Phased Preforating Gun System and Method App 20150226043 - HARDESTY; John T. ;   et al. | 2015-08-13 |
Wellbore plug isolation system and method Grant 9,062,543 - Snider , et al. June 23, 2 | 2015-06-23 |
Apparatus for creating and customizing intersecting jets with oilfield shaped charges Grant 9,038,521 - Rollins , et al. May 26, 2 | 2015-05-26 |
Method and Apparatus for Establishing Injection into a Cased Bore Hole using a Time Delay Toe Injection Apparatus App 20140251619 - George; Kevin R. ;   et al. | 2014-09-11 |
Method and Apparatus for Establishing Injection into a Cased Bore Hole using a Time Delay Toe Injection Apparatus App 20140251620 - George; Kevin R. ;   et al. | 2014-09-11 |
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