| 11274521 |
Downhole valve and method of use |
Henry Joe Jordan, Jr., Barbara J. Bailey |
2022-03-15 |
| 8251153 |
Control line feed through clamp |
Rodney Wayne Long, William John Darnell, William Ryle Darnell, Michael Chad Darby |
2012-08-28 |
| 8220555 |
Downhole tool shifting mechanism and method for shifting a downhole tool |
William John Darnell, William Ryle Darnell, Rodney Wayne Long, Todd Ulrich Chretien |
2012-07-17 |
| 8171998 |
System for controlling hydrocarbon bearing zones using a selectively openable and closable downhole tool |
William John Darnell, Rodney Wayne Long, Todd Ulrich Chretien, Tracy Dean Blanton, William Ryle Darnell |
2012-05-08 |
| 8172000 |
Method for feeding control lines for drilling or workovers |
Rodney Wayne Long, William John Darnell, William Ryle Darnell, Michael Chad Darby |
2012-05-08 |
| 8151891 |
Formation saver sub and method |
William John Darnell, Rodney Wayne Long |
2012-04-10 |
| 8141648 |
Multiple-positioning mechanical shifting system and method |
William John Darnell, Rodney Wayne Long, Todd Ulrich Chretien |
2012-03-27 |
| 7926595 |
Filter sub |
William John Darnell, William Ryle Darnell, Rodney Wayne Long, Todd Ulrich Chretien |
2011-04-19 |
| 7926569 |
Bypass device for wellbores |
William John Darnell, William Ryle Darnell, Rodney Wayne Long, Todd Ulrich Chretien |
2011-04-19 |
| 7921922 |
Formation saver sub and method |
William John Darnell, Rodney Wayne Long |
2011-04-12 |
| 7628211 |
Method of connecting control lines to well bore equipment for controlling a well on a batch basis |
Rodney Wayne Long, William Ryle Darnell, William John Darnell, Michael Chad Darby |
2009-12-08 |
| 7516783 |
Double pin connector and hydraulic connect with seal assembly |
Rodney Wayne Long, William Ryle Darnell, William John Darnell |
2009-04-14 |
| 7464759 |
Method for flowing fluid into or from a well |
Rodney Wayne Long, William Ryle Darnell, William John Darnell, Michael Chad Darby |
2008-12-16 |
| 7428932 |
Completion system for a well |
Rodney Wayne Long, William Ryle Darnell, William John Darnell, Michael Chad Darby |
2008-09-30 |
| 7422065 |
System for controlling zones of fluid in and out of a wellbore |
Rodney Wayne Long, William Ryle Darnell, William John Darnell, Michael Chad Darby |
2008-09-09 |
| 7392839 |
Single line sliding sleeve downhole tool assembly |
Rodney Wayne Long, William Ryle Darnell, William John Darnell, Michael Chad Darby |
2008-07-01 |
| 7373970 |
Pin connector with seal assembly |
Rodney Wayne Long, William Ryle Darnell, William John Darnell, Michael Chad Darby |
2008-05-20 |
| 7363981 |
Seal stack for sliding sleeve |
Robert Coon, Khai Tran, Antonio Flores |
2008-04-29 |