| Patent Number |
Title Of Patent |
Date Issued |
| 7249633 |
Release tool for coiled tubing |
July 31, 2007 |
| A bottom hole assembly for use with fracturing or fracing a wellbore using coiled tubing is described having a first packing element and a second packing element on a mandrel. The bottom hole assembly may be run into the wellbore such that the packing elements straddle the zone to be |
| 6834722 |
Cyclic check valve for coiled tubing |
December 28, 2004 |
| A cyclic check valve is provided for a coiled tubing string which enables reverse circulating for a specific period when a specific combination of pumping condition and oil conditions are favorable. The check valve may be activated to prevent reverse flow up through the valve and into th |
| 6832654 |
Bottom hole assembly |
December 21, 2004 |
| A bottom hole assembly for use with fracturing or fracing a wellbore using coiled tubing is described having a first packing element and a second packing on a mandrel. The bottom hole assembly may be run into the wellbore such that the packing elements straddle the zone to be fraced. |